The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Daniel Sandler | 325dc23 | 2013-06-05 22:57:57 -0400 | [diff] [blame] | 17 | package com.android.launcher3; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 18 | |
Sunny Goyal | f0b6db7 | 2018-08-13 16:10:14 -0700 | [diff] [blame] | 19 | import static com.android.launcher3.anim.Interpolators.DEACCEL_1_5; |
| 20 | |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 21 | import android.animation.Animator; |
Michael Jurka | 629758f | 2012-06-14 16:18:21 -0700 | [diff] [blame] | 22 | import android.animation.AnimatorListenerAdapter; |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 23 | import android.animation.ObjectAnimator; |
Chet Haase | 00397b1 | 2010-10-07 11:13:10 -0700 | [diff] [blame] | 24 | import android.animation.TimeInterpolator; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 25 | import android.animation.ValueAnimator; |
| 26 | import android.animation.ValueAnimator.AnimatorUpdateListener; |
Sunny Goyal | 726bee7 | 2018-03-05 12:54:24 -0800 | [diff] [blame] | 27 | import android.annotation.SuppressLint; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 28 | import android.content.Context; |
Joe Onorato | 79e5626 | 2009-09-21 15:23:04 -0400 | [diff] [blame] | 29 | import android.content.res.Resources; |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 30 | import android.content.res.TypedArray; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 31 | import android.graphics.Bitmap; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 32 | import android.graphics.Canvas; |
Andrew Flynn | 0dca1ec | 2012-02-29 13:33:22 -0800 | [diff] [blame] | 33 | import android.graphics.Color; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 34 | import android.graphics.Paint; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 35 | import android.graphics.Point; |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 36 | import android.graphics.PointF; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 37 | import android.graphics.Rect; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 38 | import android.graphics.drawable.ColorDrawable; |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 39 | import android.graphics.drawable.Drawable; |
Adam Cohen | 1462de3 | 2012-07-24 22:34:36 -0700 | [diff] [blame] | 40 | import android.os.Parcelable; |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 41 | import android.util.ArrayMap; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 42 | import android.util.AttributeSet; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 43 | import android.util.Log; |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 44 | import android.util.Property; |
Adam Cohen | 1462de3 | 2012-07-24 22:34:36 -0700 | [diff] [blame] | 45 | import android.util.SparseArray; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 46 | import android.view.MotionEvent; |
| 47 | import android.view.View; |
| 48 | import android.view.ViewDebug; |
| 49 | import android.view.ViewGroup; |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 50 | import android.view.accessibility.AccessibilityEvent; |
Sunny Goyal | 5bc6b6f | 2017-10-26 15:36:10 -0700 | [diff] [blame] | 51 | |
vadimt | 04f356f | 2019-02-14 18:46:36 -0800 | [diff] [blame] | 52 | import androidx.annotation.IntDef; |
| 53 | import androidx.core.view.ViewCompat; |
| 54 | |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 55 | import com.android.launcher3.LauncherSettings.Favorites; |
Sunny Goyal | e9b651e | 2015-04-24 11:44:51 -0700 | [diff] [blame] | 56 | import com.android.launcher3.accessibility.DragAndDropAccessibilityDelegate; |
Sunny Goyal | 5bc6b6f | 2017-10-26 15:36:10 -0700 | [diff] [blame] | 57 | import com.android.launcher3.anim.Interpolators; |
Sunny Goyal | 3d706ad | 2017-03-06 16:56:39 -0800 | [diff] [blame] | 58 | import com.android.launcher3.config.FeatureFlags; |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 59 | import com.android.launcher3.dragndrop.DraggableView; |
Jon Miranda | a0233f7 | 2017-06-22 18:34:45 -0700 | [diff] [blame] | 60 | import com.android.launcher3.folder.PreviewBackground; |
Sunny Goyal | 06e21a2 | 2016-08-11 16:02:02 -0700 | [diff] [blame] | 61 | import com.android.launcher3.graphics.DragPreviewProvider; |
Sunny Goyal | e396abf | 2020-04-06 15:11:17 -0700 | [diff] [blame] | 62 | import com.android.launcher3.model.data.ItemInfo; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 63 | import com.android.launcher3.util.CellAndSpan; |
| 64 | import com.android.launcher3.util.GridOccupancy; |
Sunny Goyal | e2fd14b | 2015-08-27 17:45:46 -0700 | [diff] [blame] | 65 | import com.android.launcher3.util.ParcelableSparseArray; |
Sunny Goyal | 9b29ca5 | 2017-02-17 10:39:44 -0800 | [diff] [blame] | 66 | import com.android.launcher3.util.Themes; |
Adam Cohen | 091440a | 2015-03-18 14:16:05 -0700 | [diff] [blame] | 67 | import com.android.launcher3.util.Thunk; |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 68 | import com.android.launcher3.views.ActivityContext; |
Sunny Goyal | 5bc6b6f | 2017-10-26 15:36:10 -0700 | [diff] [blame] | 69 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 70 | import java.lang.annotation.Retention; |
| 71 | import java.lang.annotation.RetentionPolicy; |
Adam Cohen | 69ce2e5 | 2011-07-03 19:25:21 -0700 | [diff] [blame] | 72 | import java.util.ArrayList; |
Adam Cohen | c0dcf59 | 2011-06-01 15:30:43 -0700 | [diff] [blame] | 73 | import java.util.Arrays; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 74 | import java.util.Collections; |
| 75 | import java.util.Comparator; |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 76 | import java.util.Stack; |
Adam Cohen | c0dcf59 | 2011-06-01 15:30:43 -0700 | [diff] [blame] | 77 | |
Sunny Goyal | c4d3201 | 2020-04-03 17:10:11 -0700 | [diff] [blame] | 78 | public class CellLayout extends ViewGroup { |
Tony Wickham | a0628cc | 2015-10-14 15:23:04 -0700 | [diff] [blame] | 79 | private static final String TAG = "CellLayout"; |
| 80 | private static final boolean LOGD = false; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 81 | |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 82 | protected final ActivityContext mActivity; |
Sunny Goyal | 4ffec48 | 2016-02-09 11:28:52 -0800 | [diff] [blame] | 83 | @ViewDebug.ExportedProperty(category = "launcher") |
Adam Cohen | 091440a | 2015-03-18 14:16:05 -0700 | [diff] [blame] | 84 | @Thunk int mCellWidth; |
Sunny Goyal | 4ffec48 | 2016-02-09 11:28:52 -0800 | [diff] [blame] | 85 | @ViewDebug.ExportedProperty(category = "launcher") |
Adam Cohen | 091440a | 2015-03-18 14:16:05 -0700 | [diff] [blame] | 86 | @Thunk int mCellHeight; |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 87 | private int mFixedCellWidth; |
| 88 | private int mFixedCellHeight; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 89 | |
Sunny Goyal | 4ffec48 | 2016-02-09 11:28:52 -0800 | [diff] [blame] | 90 | @ViewDebug.ExportedProperty(category = "launcher") |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 91 | private int mCountX; |
Sunny Goyal | 4ffec48 | 2016-02-09 11:28:52 -0800 | [diff] [blame] | 92 | @ViewDebug.ExportedProperty(category = "launcher") |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 93 | private int mCountY; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 94 | |
Adam Cohen | 917e388 | 2013-10-31 15:03:35 -0700 | [diff] [blame] | 95 | private boolean mDropPending = false; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 96 | |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 97 | // These are temporary variables to prevent having to allocate a new object just to |
| 98 | // return an (x, y) value from helper functions. Do NOT use them to maintain other state. |
Adam Cohen | 091440a | 2015-03-18 14:16:05 -0700 | [diff] [blame] | 99 | @Thunk final int[] mTmpPoint = new int[2]; |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 100 | @Thunk final int[] mTempLocation = new int[2]; |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 101 | final PointF mTmpPointF = new PointF(); |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 102 | |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 103 | // Used to visualize / debug the Grid of the CellLayout |
| 104 | private static final boolean VISUALIZE_GRID = false; |
| 105 | private Rect mVisualizeGridRect = new Rect(); |
| 106 | private Paint mVisualizeGridPaint = new Paint(); |
| 107 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 108 | private GridOccupancy mOccupied; |
| 109 | private GridOccupancy mTmpOccupied; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 110 | |
Michael Jurka | dee0589 | 2010-07-27 10:01:56 -0700 | [diff] [blame] | 111 | private OnTouchListener mInterceptTouchListener; |
| 112 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 113 | private final ArrayList<DelegatedCellDrawing> mDelegatedCellDrawings = new ArrayList<>(); |
Jon Miranda | a0233f7 | 2017-06-22 18:34:45 -0700 | [diff] [blame] | 114 | final PreviewBackground mFolderLeaveBehind = new PreviewBackground(); |
Adam Cohen | 69ce2e5 | 2011-07-03 19:25:21 -0700 | [diff] [blame] | 115 | |
Sunny Goyal | f5440cb | 2016-12-14 15:13:00 -0800 | [diff] [blame] | 116 | private static final int[] BACKGROUND_STATE_ACTIVE = new int[] { android.R.attr.state_active }; |
Sunny Goyal | e15e2a8 | 2017-12-15 13:05:42 -0800 | [diff] [blame] | 117 | private static final int[] BACKGROUND_STATE_DEFAULT = EMPTY_STATE_SET; |
Sunny Goyal | f5440cb | 2016-12-14 15:13:00 -0800 | [diff] [blame] | 118 | private final Drawable mBackground; |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 119 | |
Adam Cohen | f0f4eda | 2013-06-06 21:27:03 -0700 | [diff] [blame] | 120 | // These values allow a fixed measurement to be set on the CellLayout. |
| 121 | private int mFixedWidth = -1; |
| 122 | private int mFixedHeight = -1; |
| 123 | |
Michael Jurka | 33945b2 | 2010-12-21 18:19:38 -0800 | [diff] [blame] | 124 | // If we're actively dragging something over this screen, mIsDragOverlapping is true |
| 125 | private boolean mIsDragOverlapping = false; |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 126 | |
Winson Chung | 150fbab | 2010-09-29 17:14:26 -0700 | [diff] [blame] | 127 | // These arrays are used to implement the drag visualization on x-large screens. |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 128 | // They are used as circular arrays, indexed by mDragOutlineCurrent. |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 129 | @Thunk final Rect[] mDragOutlines = new Rect[4]; |
| 130 | @Thunk final float[] mDragOutlineAlphas = new float[mDragOutlines.length]; |
| 131 | private final InterruptibleInOutAnimator[] mDragOutlineAnims = |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 132 | new InterruptibleInOutAnimator[mDragOutlines.length]; |
Winson Chung | 150fbab | 2010-09-29 17:14:26 -0700 | [diff] [blame] | 133 | |
| 134 | // Used as an index into the above 3 arrays; indicates which is the most current value. |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 135 | private int mDragOutlineCurrent = 0; |
Patrick Dubroy | 8e58e91 | 2010-10-14 13:21:48 -0700 | [diff] [blame] | 136 | private final Paint mDragOutlinePaint = new Paint(); |
Winson Chung | 150fbab | 2010-09-29 17:14:26 -0700 | [diff] [blame] | 137 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 138 | @Thunk final ArrayMap<LayoutParams, Animator> mReorderAnimators = new ArrayMap<>(); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 139 | @Thunk final ArrayMap<Reorderable, ReorderPreviewAnimation> mShakeAnimators = new ArrayMap<>(); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 140 | |
| 141 | private boolean mItemPlacementDirty = false; |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 142 | |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 143 | // When a drag operation is in progress, holds the nearest cell to the touch point |
| 144 | private final int[] mDragCell = new int[2]; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 145 | |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 146 | private boolean mDragging = false; |
| 147 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 148 | private final TimeInterpolator mEaseOutInterpolator; |
| 149 | private final ShortcutAndWidgetContainer mShortcutsAndWidgets; |
Patrick Dubroy | ce34a97 | 2010-10-19 10:34:32 -0700 | [diff] [blame] | 150 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 151 | @Retention(RetentionPolicy.SOURCE) |
| 152 | @IntDef({WORKSPACE, HOTSEAT, FOLDER}) |
| 153 | public @interface ContainerType{} |
| 154 | public static final int WORKSPACE = 0; |
| 155 | public static final int HOTSEAT = 1; |
| 156 | public static final int FOLDER = 2; |
| 157 | |
| 158 | @ContainerType private final int mContainerType; |
| 159 | |
Jon Miranda | b28c4fc | 2017-06-20 10:58:36 -0700 | [diff] [blame] | 160 | private final float mChildScale = 1f; |
Andrew Flynn | 0dca1ec | 2012-02-29 13:33:22 -0800 | [diff] [blame] | 161 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 162 | public static final int MODE_SHOW_REORDER_HINT = 0; |
| 163 | public static final int MODE_DRAG_OVER = 1; |
| 164 | public static final int MODE_ON_DROP = 2; |
| 165 | public static final int MODE_ON_DROP_EXTERNAL = 3; |
| 166 | public static final int MODE_ACCEPT_DROP = 4; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 167 | private static final boolean DESTRUCTIVE_REORDER = false; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 168 | private static final boolean DEBUG_VISUALIZE_OCCUPIED = false; |
| 169 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 170 | private static final float REORDER_PREVIEW_MAGNITUDE = 0.12f; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 171 | private static final int REORDER_ANIMATION_DURATION = 150; |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 172 | @Thunk final float mReorderPreviewAnimationMagnitude; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 173 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 174 | private final ArrayList<View> mIntersectingViews = new ArrayList<>(); |
| 175 | private final Rect mOccupiedRect = new Rect(); |
| 176 | private final int[] mDirectionVector = new int[2]; |
| 177 | final int[] mPreviousReorderDirection = new int[2]; |
Adam Cohen | b209e63 | 2012-03-27 17:09:36 -0700 | [diff] [blame] | 178 | private static final int INVALID_DIRECTION = -100; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 179 | |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 180 | private final Rect mTempRect = new Rect(); |
Winson Chung | 3a6e7f3 | 2013-10-09 15:50:52 -0700 | [diff] [blame] | 181 | |
Sunny Goyal | 73b5a27 | 2019-12-09 14:55:56 -0800 | [diff] [blame] | 182 | private static final Paint sPaint = new Paint(); |
Romain Guy | 8a0bff5 | 2012-05-06 13:14:33 -0700 | [diff] [blame] | 183 | |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 184 | // Related to accessible drag and drop |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 185 | private boolean mUseTouchHelper = false; |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 186 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 187 | public CellLayout(Context context) { |
| 188 | this(context, null); |
| 189 | } |
| 190 | |
| 191 | public CellLayout(Context context, AttributeSet attrs) { |
| 192 | this(context, attrs, 0); |
| 193 | } |
| 194 | |
| 195 | public CellLayout(Context context, AttributeSet attrs, int defStyle) { |
| 196 | super(context, attrs, defStyle); |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 197 | TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); |
| 198 | mContainerType = a.getInteger(R.styleable.CellLayout_containerType, WORKSPACE); |
| 199 | a.recycle(); |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 200 | |
| 201 | // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show |
| 202 | // the user where a dragged item will land when dropped. |
| 203 | setWillNotDraw(false); |
Romain Guy | ce3cbd1 | 2013-02-25 15:00:36 -0800 | [diff] [blame] | 204 | setClipToPadding(false); |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 205 | mActivity = ActivityContext.lookupContext(context); |
Michael Jurka | a63c452 | 2010-08-19 13:52:27 -0700 | [diff] [blame] | 206 | |
Sunny Goyal | c4d3201 | 2020-04-03 17:10:11 -0700 | [diff] [blame] | 207 | DeviceProfile grid = mActivity.getDeviceProfile(); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 208 | |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 209 | mCellWidth = mCellHeight = -1; |
Nilesh Agrawal | 5f7099a | 2014-01-02 15:54:57 -0800 | [diff] [blame] | 210 | mFixedCellWidth = mFixedCellHeight = -1; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 211 | |
| 212 | mCountX = grid.inv.numColumns; |
| 213 | mCountY = grid.inv.numRows; |
| 214 | mOccupied = new GridOccupancy(mCountX, mCountY); |
| 215 | mTmpOccupied = new GridOccupancy(mCountX, mCountY); |
| 216 | |
Adam Cohen | 5b53f29 | 2012-03-29 14:30:35 -0700 | [diff] [blame] | 217 | mPreviousReorderDirection[0] = INVALID_DIRECTION; |
| 218 | mPreviousReorderDirection[1] = INVALID_DIRECTION; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 219 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 220 | mFolderLeaveBehind.mDelegateCellX = -1; |
| 221 | mFolderLeaveBehind.mDelegateCellY = -1; |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 222 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 223 | setAlwaysDrawnWithCacheEnabled(false); |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 224 | final Resources res = getResources(); |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 225 | |
Sunny Goyal | f5440cb | 2016-12-14 15:13:00 -0800 | [diff] [blame] | 226 | mBackground = res.getDrawable(R.drawable.bg_celllayout); |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 227 | mBackground.setCallback(this); |
Sunny Goyal | aeb1643 | 2017-10-16 11:46:41 -0700 | [diff] [blame] | 228 | mBackground.setAlpha(0); |
Michael Jurka | 33945b2 | 2010-12-21 18:19:38 -0800 | [diff] [blame] | 229 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 230 | mReorderPreviewAnimationMagnitude = (REORDER_PREVIEW_MAGNITUDE * grid.iconSizePx); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 231 | |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 232 | // Initialize the data structures used for the drag visualization. |
Sunny Goyal | 5bc6b6f | 2017-10-26 15:36:10 -0700 | [diff] [blame] | 233 | mEaseOutInterpolator = Interpolators.DEACCEL_2_5; // Quint ease out |
Winson Chung | b8c69f3 | 2011-10-19 21:36:08 -0700 | [diff] [blame] | 234 | mDragCell[0] = mDragCell[1] = -1; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 235 | for (int i = 0; i < mDragOutlines.length; i++) { |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 236 | mDragOutlines[i] = new Rect(-1, -1, -1, -1); |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 237 | } |
Mario Bertschler | 54ba601 | 2017-06-08 10:53:53 -0700 | [diff] [blame] | 238 | mDragOutlinePaint.setColor(Themes.getAttrColor(context, R.attr.workspaceTextColor)); |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 239 | |
| 240 | // When dragging things around the home screens, we show a green outline of |
| 241 | // where the item will land. The outlines gradually fade out, leaving a trail |
| 242 | // behind the drag path. |
| 243 | // Set up all the animations that are used to implement this fading. |
| 244 | final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 245 | final float fromAlphaValue = 0; |
| 246 | final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 247 | |
Patrick Dubroy | 8e58e91 | 2010-10-14 13:21:48 -0700 | [diff] [blame] | 248 | Arrays.fill(mDragOutlineAlphas, fromAlphaValue); |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 249 | |
| 250 | for (int i = 0; i < mDragOutlineAnims.length; i++) { |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 251 | final InterruptibleInOutAnimator anim = |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 252 | new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); |
Patrick Dubroy | ce34a97 | 2010-10-19 10:34:32 -0700 | [diff] [blame] | 253 | anim.getAnimator().setInterpolator(mEaseOutInterpolator); |
Patrick Dubroy | 046e7eb | 2010-10-06 12:14:43 -0700 | [diff] [blame] | 254 | final int thisIndex = i; |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 255 | anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 256 | public void onAnimationUpdate(ValueAnimator animation) { |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 257 | final Bitmap outline = (Bitmap)anim.getTag(); |
| 258 | |
| 259 | // If an animation is started and then stopped very quickly, we can still |
| 260 | // get spurious updates we've cleared the tag. Guard against this. |
| 261 | if (outline == null) { |
Tony Wickham | a0628cc | 2015-10-14 15:23:04 -0700 | [diff] [blame] | 262 | if (LOGD) { |
Patrick Dubroy | fe6bd87 | 2010-10-13 17:32:10 -0700 | [diff] [blame] | 263 | Object val = animation.getAnimatedValue(); |
| 264 | Log.d(TAG, "anim " + thisIndex + " update: " + val + |
| 265 | ", isStopped " + anim.isStopped()); |
| 266 | } |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 267 | // Try to prevent it from continuing to run |
| 268 | animation.cancel(); |
| 269 | } else { |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 270 | mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 271 | CellLayout.this.invalidate(mDragOutlines[thisIndex]); |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 272 | } |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 273 | } |
| 274 | }); |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 275 | // The animation holds a reference to the drag outline bitmap as long is it's |
| 276 | // running. This way the bitmap can be GCed when the animations are complete. |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 277 | anim.getAnimator().addListener(new AnimatorListenerAdapter() { |
Michael Jurka | 3c4c20f | 2010-10-28 15:36:06 -0700 | [diff] [blame] | 278 | @Override |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 279 | public void onAnimationEnd(Animator animation) { |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 280 | if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 281 | anim.setTag(null); |
| 282 | } |
| 283 | } |
| 284 | }); |
| 285 | mDragOutlineAnims[i] = anim; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 286 | } |
Patrick Dubroy | ce34a97 | 2010-10-19 10:34:32 -0700 | [diff] [blame] | 287 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 288 | mShortcutsAndWidgets = new ShortcutAndWidgetContainer(context, mContainerType); |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 289 | mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mCountX, mCountY); |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 290 | addView(mShortcutsAndWidgets); |
Michael Jurka | 1801479 | 2010-10-14 09:01:34 -0700 | [diff] [blame] | 291 | } |
| 292 | |
Sunny Goyal | 9b18010 | 2020-03-11 10:02:29 -0700 | [diff] [blame] | 293 | |
| 294 | /** |
| 295 | * Sets or clears a delegate used for accessible drag and drop |
| 296 | */ |
| 297 | public void setDragAndDropAccessibilityDelegate(DragAndDropAccessibilityDelegate delegate) { |
| 298 | setOnClickListener(delegate); |
| 299 | setOnHoverListener(delegate); |
| 300 | ViewCompat.setAccessibilityDelegate(this, delegate); |
| 301 | |
| 302 | mUseTouchHelper = delegate != null; |
| 303 | int accessibilityFlag = mUseTouchHelper |
| 304 | ? IMPORTANT_FOR_ACCESSIBILITY_YES : IMPORTANT_FOR_ACCESSIBILITY_NO; |
| 305 | setImportantForAccessibility(accessibilityFlag); |
| 306 | getShortcutsAndWidgets().setImportantForAccessibility(accessibilityFlag); |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 307 | |
| 308 | // Invalidate the accessibility hierarchy |
| 309 | if (getParent() != null) { |
| 310 | getParent().notifySubtreeAccessibilityStateChanged( |
| 311 | this, this, AccessibilityEvent.CONTENT_CHANGE_TYPE_SUBTREE); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | @Override |
Adam Cohen | c9735cf | 2015-01-23 16:11:55 -0800 | [diff] [blame] | 316 | public boolean onInterceptTouchEvent(MotionEvent ev) { |
| 317 | if (mUseTouchHelper || |
| 318 | (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev))) { |
| 319 | return true; |
| 320 | } |
| 321 | return false; |
| 322 | } |
| 323 | |
Chris Craik | 01f2d7f | 2013-10-01 14:41:56 -0700 | [diff] [blame] | 324 | public void enableHardwareLayer(boolean hasLayer) { |
| 325 | mShortcutsAndWidgets.setLayerType(hasLayer ? LAYER_TYPE_HARDWARE : LAYER_TYPE_NONE, sPaint); |
Michael Jurka | d51f33a | 2012-06-28 15:35:26 -0700 | [diff] [blame] | 326 | } |
| 327 | |
vadimt | 04f356f | 2019-02-14 18:46:36 -0800 | [diff] [blame] | 328 | public boolean isHardwareLayerEnabled() { |
| 329 | return mShortcutsAndWidgets.getLayerType() == LAYER_TYPE_HARDWARE; |
| 330 | } |
| 331 | |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 332 | public void setCellDimensions(int width, int height) { |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 333 | mFixedCellWidth = mCellWidth = width; |
| 334 | mFixedCellHeight = mCellHeight = height; |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 335 | mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mCountX, mCountY); |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 336 | } |
| 337 | |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 338 | public void setGridSize(int x, int y) { |
| 339 | mCountX = x; |
| 340 | mCountY = y; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 341 | mOccupied = new GridOccupancy(mCountX, mCountY); |
| 342 | mTmpOccupied = new GridOccupancy(mCountX, mCountY); |
Adam Cohen | 7fbec10 | 2012-03-27 12:42:19 -0700 | [diff] [blame] | 343 | mTempRectStack.clear(); |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 344 | mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mCountX, mCountY); |
Adam Cohen | 76fc085 | 2011-06-17 13:26:23 -0700 | [diff] [blame] | 345 | requestLayout(); |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 346 | } |
| 347 | |
Adam Cohen | 2374abf | 2013-04-16 14:56:57 -0700 | [diff] [blame] | 348 | // Set whether or not to invert the layout horizontally if the layout is in RTL mode. |
| 349 | public void setInvertIfRtl(boolean invert) { |
| 350 | mShortcutsAndWidgets.setInvertIfRtl(invert); |
| 351 | } |
| 352 | |
Adam Cohen | 917e388 | 2013-10-31 15:03:35 -0700 | [diff] [blame] | 353 | public void setDropPending(boolean pending) { |
| 354 | mDropPending = pending; |
| 355 | } |
| 356 | |
| 357 | public boolean isDropPending() { |
| 358 | return mDropPending; |
| 359 | } |
| 360 | |
Adam Cohen | c50438c | 2014-08-19 17:43:05 -0700 | [diff] [blame] | 361 | void setIsDragOverlapping(boolean isDragOverlapping) { |
| 362 | if (mIsDragOverlapping != isDragOverlapping) { |
| 363 | mIsDragOverlapping = isDragOverlapping; |
Sunny Goyal | f5440cb | 2016-12-14 15:13:00 -0800 | [diff] [blame] | 364 | mBackground.setState(mIsDragOverlapping |
| 365 | ? BACKGROUND_STATE_ACTIVE : BACKGROUND_STATE_DEFAULT); |
Adam Cohen | c50438c | 2014-08-19 17:43:05 -0700 | [diff] [blame] | 366 | invalidate(); |
| 367 | } |
| 368 | } |
| 369 | |
Sunny Goyal | e2fd14b | 2015-08-27 17:45:46 -0700 | [diff] [blame] | 370 | @Override |
| 371 | protected void dispatchSaveInstanceState(SparseArray<Parcelable> container) { |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 372 | ParcelableSparseArray jail = getJailedArray(container); |
| 373 | super.dispatchSaveInstanceState(jail); |
| 374 | container.put(R.id.cell_layout_jail_id, jail); |
Sunny Goyal | e2fd14b | 2015-08-27 17:45:46 -0700 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | @Override |
| 378 | protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) { |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 379 | super.dispatchRestoreInstanceState(getJailedArray(container)); |
Sunny Goyal | e2fd14b | 2015-08-27 17:45:46 -0700 | [diff] [blame] | 380 | } |
| 381 | |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 382 | /** |
| 383 | * Wrap the SparseArray in another Parcelable so that the item ids do not conflict with our |
| 384 | * our internal resource ids |
| 385 | */ |
Sunny Goyal | e2fd14b | 2015-08-27 17:45:46 -0700 | [diff] [blame] | 386 | private ParcelableSparseArray getJailedArray(SparseArray<Parcelable> container) { |
| 387 | final Parcelable parcelable = container.get(R.id.cell_layout_jail_id); |
| 388 | return parcelable instanceof ParcelableSparseArray ? |
| 389 | (ParcelableSparseArray) parcelable : new ParcelableSparseArray(); |
| 390 | } |
| 391 | |
Tony Wickham | 0f97b78 | 2015-12-02 17:55:07 -0800 | [diff] [blame] | 392 | public boolean getIsDragOverlapping() { |
| 393 | return mIsDragOverlapping; |
| 394 | } |
| 395 | |
Jeff Sharkey | 83f111d | 2009-04-20 21:03:13 -0700 | [diff] [blame] | 396 | @Override |
Patrick Dubroy | 1262e36 | 2010-10-06 15:49:50 -0700 | [diff] [blame] | 397 | protected void onDraw(Canvas canvas) { |
Michael Jurka | 3e7c763 | 2010-10-02 16:01:03 -0700 | [diff] [blame] | 398 | // When we're large, we are either drawn in a "hover" state (ie when dragging an item to |
| 399 | // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) |
| 400 | // When we're small, we are either drawn normally or in the "accepts drops" state (during |
| 401 | // a drag). However, we also drag the mini hover background *over* one of those two |
| 402 | // backgrounds |
Sunny Goyal | aeb1643 | 2017-10-16 11:46:41 -0700 | [diff] [blame] | 403 | if (mBackground.getAlpha() > 0) { |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 404 | mBackground.draw(canvas); |
Michael Jurka | a63c452 | 2010-08-19 13:52:27 -0700 | [diff] [blame] | 405 | } |
Romain Guy | a6abce8 | 2009-11-10 02:54:41 -0800 | [diff] [blame] | 406 | |
Patrick Dubroy | 8e58e91 | 2010-10-14 13:21:48 -0700 | [diff] [blame] | 407 | final Paint paint = mDragOutlinePaint; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 408 | for (int i = 0; i < mDragOutlines.length; i++) { |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 409 | final float alpha = mDragOutlineAlphas[i]; |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 410 | if (alpha > 0) { |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 411 | final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); |
Chet Haase | 472b281 | 2010-10-14 07:02:04 -0700 | [diff] [blame] | 412 | paint.setAlpha((int)(alpha + .5f)); |
Sunny Goyal | 106bf64 | 2015-07-16 12:18:06 -0700 | [diff] [blame] | 413 | canvas.drawBitmap(b, null, mDragOutlines[i], paint); |
Winson Chung | 150fbab | 2010-09-29 17:14:26 -0700 | [diff] [blame] | 414 | } |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 415 | } |
Patrick Dubroy | 96864c3 | 2011-03-10 17:17:23 -0800 | [diff] [blame] | 416 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 417 | if (DEBUG_VISUALIZE_OCCUPIED) { |
| 418 | int[] pt = new int[2]; |
| 419 | ColorDrawable cd = new ColorDrawable(Color.RED); |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 420 | cd.setBounds(0, 0, mCellWidth, mCellHeight); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 421 | for (int i = 0; i < mCountX; i++) { |
| 422 | for (int j = 0; j < mCountY; j++) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 423 | if (mOccupied.cells[i][j]) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 424 | cellToPoint(i, j, pt); |
| 425 | canvas.save(); |
| 426 | canvas.translate(pt[0], pt[1]); |
| 427 | cd.draw(canvas); |
| 428 | canvas.restore(); |
| 429 | } |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 434 | for (int i = 0; i < mDelegatedCellDrawings.size(); i++) { |
| 435 | DelegatedCellDrawing cellDrawing = mDelegatedCellDrawings.get(i); |
| 436 | cellToPoint(cellDrawing.mDelegateCellX, cellDrawing.mDelegateCellY, mTempLocation); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 437 | canvas.save(); |
| 438 | canvas.translate(mTempLocation[0], mTempLocation[1]); |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 439 | cellDrawing.drawUnderItem(canvas); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 440 | canvas.restore(); |
Adam Cohen | 69ce2e5 | 2011-07-03 19:25:21 -0700 | [diff] [blame] | 441 | } |
Adam Cohen | c51934b | 2011-07-26 21:07:43 -0700 | [diff] [blame] | 442 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 443 | if (mFolderLeaveBehind.mDelegateCellX >= 0 && mFolderLeaveBehind.mDelegateCellY >= 0) { |
| 444 | cellToPoint(mFolderLeaveBehind.mDelegateCellX, |
| 445 | mFolderLeaveBehind.mDelegateCellY, mTempLocation); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 446 | canvas.save(); |
| 447 | canvas.translate(mTempLocation[0], mTempLocation[1]); |
Sunny Goyal | 19b93b7 | 2017-02-19 20:21:37 -0800 | [diff] [blame] | 448 | mFolderLeaveBehind.drawLeaveBehind(canvas); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 449 | canvas.restore(); |
Adam Cohen | c51934b | 2011-07-26 21:07:43 -0700 | [diff] [blame] | 450 | } |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 451 | |
| 452 | if (VISUALIZE_GRID) { |
| 453 | visualizeGrid(canvas); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | protected void visualizeGrid(Canvas canvas) { |
| 458 | mVisualizeGridRect.set(0, 0, mCellWidth, mCellHeight); |
| 459 | mVisualizeGridPaint.setStrokeWidth(4); |
| 460 | |
| 461 | for (int i = 0; i < mCountX; i++) { |
| 462 | for (int j = 0; j < mCountY; j++) { |
| 463 | canvas.save(); |
| 464 | |
| 465 | int transX = i * mCellWidth; |
| 466 | int transY = j * mCellHeight; |
| 467 | |
| 468 | canvas.translate(getPaddingLeft() + transX, getPaddingTop() + transY); |
| 469 | |
| 470 | mVisualizeGridPaint.setStyle(Paint.Style.FILL); |
| 471 | mVisualizeGridPaint.setColor(Color.argb(80, 255, 100, 100)); |
| 472 | |
| 473 | canvas.drawRect(mVisualizeGridRect, mVisualizeGridPaint); |
| 474 | |
| 475 | mVisualizeGridPaint.setStyle(Paint.Style.STROKE); |
| 476 | mVisualizeGridPaint.setColor(Color.argb(255, 255, 100, 100)); |
| 477 | |
| 478 | canvas.drawRect(mVisualizeGridRect, mVisualizeGridPaint); |
| 479 | canvas.restore(); |
| 480 | } |
| 481 | } |
Adam Cohen | 69ce2e5 | 2011-07-03 19:25:21 -0700 | [diff] [blame] | 482 | } |
| 483 | |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 484 | @Override |
| 485 | protected void dispatchDraw(Canvas canvas) { |
| 486 | super.dispatchDraw(canvas); |
| 487 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 488 | for (int i = 0; i < mDelegatedCellDrawings.size(); i++) { |
| 489 | DelegatedCellDrawing bg = mDelegatedCellDrawings.get(i); |
| 490 | cellToPoint(bg.mDelegateCellX, bg.mDelegateCellY, mTempLocation); |
| 491 | canvas.save(); |
| 492 | canvas.translate(mTempLocation[0], mTempLocation[1]); |
| 493 | bg.drawOverItem(canvas); |
| 494 | canvas.restore(); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 495 | } |
Adam Cohen | 69ce2e5 | 2011-07-03 19:25:21 -0700 | [diff] [blame] | 496 | } |
| 497 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 498 | /** |
| 499 | * Add Delegated cell drawing |
| 500 | */ |
| 501 | public void addDelegatedCellDrawing(DelegatedCellDrawing bg) { |
| 502 | mDelegatedCellDrawings.add(bg); |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 503 | } |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 504 | |
| 505 | /** |
| 506 | * Remove item from DelegatedCellDrawings |
| 507 | */ |
| 508 | public void removeDelegatedCellDrawing(DelegatedCellDrawing bg) { |
| 509 | mDelegatedCellDrawings.remove(bg); |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 510 | } |
| 511 | |
Adam Cohen | c51934b | 2011-07-26 21:07:43 -0700 | [diff] [blame] | 512 | public void setFolderLeaveBehindCell(int x, int y) { |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 513 | View child = getChildAt(x, y); |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 514 | mFolderLeaveBehind.setup(getContext(), mActivity, null, |
Adam Cohen | efca027 | 2016-02-24 19:19:06 -0800 | [diff] [blame] | 515 | child.getMeasuredWidth(), child.getPaddingTop()); |
| 516 | |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 517 | mFolderLeaveBehind.mDelegateCellX = x; |
| 518 | mFolderLeaveBehind.mDelegateCellY = y; |
Adam Cohen | c51934b | 2011-07-26 21:07:43 -0700 | [diff] [blame] | 519 | invalidate(); |
| 520 | } |
| 521 | |
| 522 | public void clearFolderLeaveBehind() { |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 523 | mFolderLeaveBehind.mDelegateCellX = -1; |
| 524 | mFolderLeaveBehind.mDelegateCellY = -1; |
Adam Cohen | c51934b | 2011-07-26 21:07:43 -0700 | [diff] [blame] | 525 | invalidate(); |
| 526 | } |
| 527 | |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 528 | @Override |
Michael Jurka | e6235dd | 2011-10-04 15:02:05 -0700 | [diff] [blame] | 529 | public boolean shouldDelayChildPressedState() { |
| 530 | return false; |
| 531 | } |
| 532 | |
Adam Cohen | 1462de3 | 2012-07-24 22:34:36 -0700 | [diff] [blame] | 533 | public void restoreInstanceState(SparseArray<Parcelable> states) { |
Sunny Goyal | 33a152f | 2014-07-22 12:13:14 -0700 | [diff] [blame] | 534 | try { |
| 535 | dispatchRestoreInstanceState(states); |
| 536 | } catch (IllegalArgumentException ex) { |
Zak Cohen | 3eeb41d | 2020-02-14 14:15:13 -0800 | [diff] [blame] | 537 | if (FeatureFlags.IS_STUDIO_BUILD) { |
Sunny Goyal | 33a152f | 2014-07-22 12:13:14 -0700 | [diff] [blame] | 538 | throw ex; |
| 539 | } |
| 540 | // Mismatched viewId / viewType preventing restore. Skip restore on production builds. |
| 541 | Log.e(TAG, "Ignoring an error while restoring a view instance state", ex); |
| 542 | } |
Adam Cohen | 1462de3 | 2012-07-24 22:34:36 -0700 | [diff] [blame] | 543 | } |
| 544 | |
Michael Jurka | e6235dd | 2011-10-04 15:02:05 -0700 | [diff] [blame] | 545 | @Override |
Jeff Sharkey | 83f111d | 2009-04-20 21:03:13 -0700 | [diff] [blame] | 546 | public void cancelLongPress() { |
| 547 | super.cancelLongPress(); |
| 548 | |
| 549 | // Cancel long press for all children |
| 550 | final int count = getChildCount(); |
| 551 | for (int i = 0; i < count; i++) { |
| 552 | final View child = getChildAt(i); |
| 553 | child.cancelLongPress(); |
| 554 | } |
| 555 | } |
| 556 | |
Michael Jurka | dee0589 | 2010-07-27 10:01:56 -0700 | [diff] [blame] | 557 | public void setOnInterceptTouchListener(View.OnTouchListener listener) { |
| 558 | mInterceptTouchListener = listener; |
| 559 | } |
| 560 | |
Hyunyoung Song | ee3e6a7 | 2015-02-20 14:25:27 -0800 | [diff] [blame] | 561 | public int getCountX() { |
Adam Cohen | d22015c | 2010-07-26 22:02:18 -0700 | [diff] [blame] | 562 | return mCountX; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 563 | } |
| 564 | |
Hyunyoung Song | ee3e6a7 | 2015-02-20 14:25:27 -0800 | [diff] [blame] | 565 | public int getCountY() { |
Adam Cohen | d22015c | 2010-07-26 22:02:18 -0700 | [diff] [blame] | 566 | return mCountY; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 567 | } |
| 568 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 569 | public boolean acceptsWidget() { |
| 570 | return mContainerType == WORKSPACE; |
Sunny Goyal | e9b651e | 2015-04-24 11:44:51 -0700 | [diff] [blame] | 571 | } |
| 572 | |
Andrew Flynn | 0dca1ec | 2012-02-29 13:33:22 -0800 | [diff] [blame] | 573 | public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params, |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 574 | boolean markCells) { |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 575 | final LayoutParams lp = params; |
| 576 | |
Andrew Flynn | de38e42 | 2012-05-08 11:22:15 -0700 | [diff] [blame] | 577 | // Hotseat icons - remove text |
Andrew Flynn | 0dca1ec | 2012-02-29 13:33:22 -0800 | [diff] [blame] | 578 | if (child instanceof BubbleTextView) { |
| 579 | BubbleTextView bubbleChild = (BubbleTextView) child; |
Jon Miranda | f1eae80 | 2017-10-04 11:23:33 -0700 | [diff] [blame] | 580 | bubbleChild.setTextVisibility(mContainerType != HOTSEAT); |
Andrew Flynn | 0dca1ec | 2012-02-29 13:33:22 -0800 | [diff] [blame] | 581 | } |
| 582 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 583 | child.setScaleX(mChildScale); |
| 584 | child.setScaleY(mChildScale); |
Adam Cohen | 307fe23 | 2012-08-16 17:55:58 -0700 | [diff] [blame] | 585 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 586 | // Generate an id for each view, this assumes we have at most 256x256 cells |
| 587 | // per workspace screen |
Adam Cohen | d22015c | 2010-07-26 22:02:18 -0700 | [diff] [blame] | 588 | if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 589 | // If the horizontal or vertical span is set to -1, it is taken to |
| 590 | // mean that it spans the extent of the CellLayout |
Adam Cohen | d22015c | 2010-07-26 22:02:18 -0700 | [diff] [blame] | 591 | if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; |
| 592 | if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 593 | |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 594 | child.setId(childId); |
Tony Wickham | a0628cc | 2015-10-14 15:23:04 -0700 | [diff] [blame] | 595 | if (LOGD) { |
| 596 | Log.d(TAG, "Adding view to ShortcutsAndWidgetsContainer: " + child); |
| 597 | } |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 598 | mShortcutsAndWidgets.addView(child, index, lp); |
Michael Jurka | dee0589 | 2010-07-27 10:01:56 -0700 | [diff] [blame] | 599 | |
Michael Jurka | f3ca3ab | 2010-10-20 17:08:24 -0700 | [diff] [blame] | 600 | if (markCells) markCellsAsOccupiedForView(child); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 601 | |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 602 | return true; |
| 603 | } |
| 604 | return false; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 605 | } |
Michael Jurka | 3e7c763 | 2010-10-02 16:01:03 -0700 | [diff] [blame] | 606 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 607 | @Override |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 608 | public void removeAllViews() { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 609 | mOccupied.clear(); |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 610 | mShortcutsAndWidgets.removeAllViews(); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | @Override |
| 614 | public void removeAllViewsInLayout() { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 615 | if (mShortcutsAndWidgets.getChildCount() > 0) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 616 | mOccupied.clear(); |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 617 | mShortcutsAndWidgets.removeAllViewsInLayout(); |
Michael Jurka | 7cfc282 | 2011-08-02 20:19:24 -0700 | [diff] [blame] | 618 | } |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void removeView(View view) { |
| 623 | markCellsAsUnoccupiedForView(view); |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 624 | mShortcutsAndWidgets.removeView(view); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | @Override |
| 628 | public void removeViewAt(int index) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 629 | markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(index)); |
| 630 | mShortcutsAndWidgets.removeViewAt(index); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | @Override |
| 634 | public void removeViewInLayout(View view) { |
| 635 | markCellsAsUnoccupiedForView(view); |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 636 | mShortcutsAndWidgets.removeViewInLayout(view); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | @Override |
| 640 | public void removeViews(int start, int count) { |
| 641 | for (int i = start; i < start + count; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 642 | markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 643 | } |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 644 | mShortcutsAndWidgets.removeViews(start, count); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | @Override |
| 648 | public void removeViewsInLayout(int start, int count) { |
| 649 | for (int i = start; i < start + count; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 650 | markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 651 | } |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 652 | mShortcutsAndWidgets.removeViewsInLayout(start, count); |
Michael Jurka | abded66 | 2011-03-04 12:06:57 -0800 | [diff] [blame] | 653 | } |
| 654 | |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 655 | /** |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 656 | * Given a point, return the cell that strictly encloses that point |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 657 | * @param x X coordinate of the point |
| 658 | * @param y Y coordinate of the point |
| 659 | * @param result Array of 2 ints to hold the x and y coordinate of the cell |
| 660 | */ |
Sunny Goyal | e9b651e | 2015-04-24 11:44:51 -0700 | [diff] [blame] | 661 | public void pointToCellExact(int x, int y, int[] result) { |
Winson Chung | 4b825dcd | 2011-06-19 12:41:22 -0700 | [diff] [blame] | 662 | final int hStartPadding = getPaddingLeft(); |
| 663 | final int vStartPadding = getPaddingTop(); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 664 | |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 665 | result[0] = (x - hStartPadding) / mCellWidth; |
| 666 | result[1] = (y - vStartPadding) / mCellHeight; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 667 | |
Adam Cohen | d22015c | 2010-07-26 22:02:18 -0700 | [diff] [blame] | 668 | final int xAxis = mCountX; |
| 669 | final int yAxis = mCountY; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 670 | |
| 671 | if (result[0] < 0) result[0] = 0; |
| 672 | if (result[0] >= xAxis) result[0] = xAxis - 1; |
| 673 | if (result[1] < 0) result[1] = 0; |
| 674 | if (result[1] >= yAxis) result[1] = yAxis - 1; |
| 675 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 676 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 677 | /** |
| 678 | * Given a point, return the cell that most closely encloses that point |
| 679 | * @param x X coordinate of the point |
| 680 | * @param y Y coordinate of the point |
| 681 | * @param result Array of 2 ints to hold the x and y coordinate of the cell |
| 682 | */ |
| 683 | void pointToCellRounded(int x, int y, int[] result) { |
| 684 | pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * Given a cell coordinate, return the point that represents the upper left corner of that cell |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 689 | * |
| 690 | * @param cellX X coordinate of the cell |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 691 | * @param cellY Y coordinate of the cell |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 692 | * |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 693 | * @param result Array of 2 ints to hold the x and y coordinate of the point |
| 694 | */ |
| 695 | void cellToPoint(int cellX, int cellY, int[] result) { |
Winson Chung | 4b825dcd | 2011-06-19 12:41:22 -0700 | [diff] [blame] | 696 | final int hStartPadding = getPaddingLeft(); |
| 697 | final int vStartPadding = getPaddingTop(); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 698 | |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 699 | result[0] = hStartPadding + cellX * mCellWidth; |
| 700 | result[1] = vStartPadding + cellY * mCellHeight; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 701 | } |
| 702 | |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 703 | /** |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 704 | * Given a cell coordinate, return the point that represents the center of the cell |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 705 | * |
| 706 | * @param cellX X coordinate of the cell |
| 707 | * @param cellY Y coordinate of the cell |
| 708 | * |
| 709 | * @param result Array of 2 ints to hold the x and y coordinate of the point |
| 710 | */ |
| 711 | void cellToCenterPoint(int cellX, int cellY, int[] result) { |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 712 | regionToCenterPoint(cellX, cellY, 1, 1, result); |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Given a cell coordinate and span return the point that represents the center of the regio |
| 717 | * |
| 718 | * @param cellX X coordinate of the cell |
| 719 | * @param cellY Y coordinate of the cell |
| 720 | * |
| 721 | * @param result Array of 2 ints to hold the x and y coordinate of the point |
| 722 | */ |
| 723 | void regionToCenterPoint(int cellX, int cellY, int spanX, int spanY, int[] result) { |
Winson Chung | 4b825dcd | 2011-06-19 12:41:22 -0700 | [diff] [blame] | 724 | final int hStartPadding = getPaddingLeft(); |
| 725 | final int vStartPadding = getPaddingTop(); |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 726 | result[0] = hStartPadding + cellX * mCellWidth + (spanX * mCellWidth) / 2; |
| 727 | result[1] = vStartPadding + cellY * mCellHeight + (spanY * mCellHeight) / 2; |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 728 | } |
| 729 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 730 | /** |
| 731 | * Given a cell coordinate and span fills out a corresponding pixel rect |
| 732 | * |
| 733 | * @param cellX X coordinate of the cell |
| 734 | * @param cellY Y coordinate of the cell |
| 735 | * @param result Rect in which to write the result |
| 736 | */ |
| 737 | void regionToRect(int cellX, int cellY, int spanX, int spanY, Rect result) { |
| 738 | final int hStartPadding = getPaddingLeft(); |
| 739 | final int vStartPadding = getPaddingTop(); |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 740 | final int left = hStartPadding + cellX * mCellWidth; |
| 741 | final int top = vStartPadding + cellY * mCellHeight; |
| 742 | result.set(left, top, left + (spanX * mCellWidth), top + (spanY * mCellHeight)); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 743 | } |
| 744 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 745 | public float getDistanceFromCell(float x, float y, int[] cell) { |
| 746 | cellToCenterPoint(cell[0], cell[1], mTmpPoint); |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 747 | return (float) Math.hypot(x - mTmpPoint[0], y - mTmpPoint[1]); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 748 | } |
| 749 | |
Adam Cohen | f9c184a | 2016-01-15 16:47:43 -0800 | [diff] [blame] | 750 | public int getCellWidth() { |
Romain Guy | 84f296c | 2009-11-04 15:00:44 -0800 | [diff] [blame] | 751 | return mCellWidth; |
| 752 | } |
| 753 | |
Sunny Goyal | 0b754e5 | 2017-08-07 07:42:45 -0700 | [diff] [blame] | 754 | public int getCellHeight() { |
Romain Guy | 84f296c | 2009-11-04 15:00:44 -0800 | [diff] [blame] | 755 | return mCellHeight; |
| 756 | } |
| 757 | |
Adam Cohen | f0f4eda | 2013-06-06 21:27:03 -0700 | [diff] [blame] | 758 | public void setFixedSize(int width, int height) { |
| 759 | mFixedWidth = width; |
| 760 | mFixedHeight = height; |
| 761 | } |
| 762 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 763 | @Override |
| 764 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 765 | int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 766 | int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 767 | int widthSize = MeasureSpec.getSize(widthMeasureSpec); |
| 768 | int heightSize = MeasureSpec.getSize(heightMeasureSpec); |
Winson Chung | 2d75f12 | 2013-09-23 16:53:31 -0700 | [diff] [blame] | 769 | int childWidthSize = widthSize - (getPaddingLeft() + getPaddingRight()); |
| 770 | int childHeightSize = heightSize - (getPaddingTop() + getPaddingBottom()); |
Sunny Goyal | ae6e318 | 2019-04-30 12:04:37 -0700 | [diff] [blame] | 771 | |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 772 | if (mFixedCellWidth < 0 || mFixedCellHeight < 0) { |
Sunny Goyal | c620560 | 2015-05-21 20:46:33 -0700 | [diff] [blame] | 773 | int cw = DeviceProfile.calculateCellWidth(childWidthSize, mCountX); |
| 774 | int ch = DeviceProfile.calculateCellHeight(childHeightSize, mCountY); |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 775 | if (cw != mCellWidth || ch != mCellHeight) { |
| 776 | mCellWidth = cw; |
| 777 | mCellHeight = ch; |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 778 | mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mCountX, mCountY); |
Winson Chung | 11a1a53 | 2013-09-13 11:14:45 -0700 | [diff] [blame] | 779 | } |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 780 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 781 | |
Winson Chung | 2d75f12 | 2013-09-23 16:53:31 -0700 | [diff] [blame] | 782 | int newWidth = childWidthSize; |
| 783 | int newHeight = childHeightSize; |
Adam Cohen | f0f4eda | 2013-06-06 21:27:03 -0700 | [diff] [blame] | 784 | if (mFixedWidth > 0 && mFixedHeight > 0) { |
| 785 | newWidth = mFixedWidth; |
| 786 | newHeight = mFixedHeight; |
| 787 | } else if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 788 | throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); |
| 789 | } |
| 790 | |
Sunny Goyal | 4fe5a37 | 2015-05-14 19:55:10 -0700 | [diff] [blame] | 791 | mShortcutsAndWidgets.measure( |
| 792 | MeasureSpec.makeMeasureSpec(newWidth, MeasureSpec.EXACTLY), |
| 793 | MeasureSpec.makeMeasureSpec(newHeight, MeasureSpec.EXACTLY)); |
| 794 | |
| 795 | int maxWidth = mShortcutsAndWidgets.getMeasuredWidth(); |
| 796 | int maxHeight = mShortcutsAndWidgets.getMeasuredHeight(); |
Winson Chung | 2d75f12 | 2013-09-23 16:53:31 -0700 | [diff] [blame] | 797 | if (mFixedWidth > 0 && mFixedHeight > 0) { |
| 798 | setMeasuredDimension(maxWidth, maxHeight); |
| 799 | } else { |
| 800 | setMeasuredDimension(widthSize, heightSize); |
| 801 | } |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | @Override |
Michael Jurka | 28750fb | 2010-09-24 17:43:49 -0700 | [diff] [blame] | 805 | protected void onLayout(boolean changed, int l, int t, int r, int b) { |
Tony Wickham | 26b0142 | 2015-11-10 14:44:32 -0800 | [diff] [blame] | 806 | int left = getPaddingLeft(); |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 807 | left += (int) Math.ceil(getUnusedHorizontalSpace() / 2f); |
Sunny Goyal | 7c786f7 | 2016-06-01 14:08:21 -0700 | [diff] [blame] | 808 | int right = r - l - getPaddingRight(); |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 809 | right -= (int) Math.ceil(getUnusedHorizontalSpace() / 2f); |
Sunny Goyal | 7c786f7 | 2016-06-01 14:08:21 -0700 | [diff] [blame] | 810 | |
Winson Chung | 38848ca | 2013-10-08 12:03:44 -0700 | [diff] [blame] | 811 | int top = getPaddingTop(); |
Sunny Goyal | 7c786f7 | 2016-06-01 14:08:21 -0700 | [diff] [blame] | 812 | int bottom = b - t - getPaddingBottom(); |
Sunny Goyal | 4fe5a37 | 2015-05-14 19:55:10 -0700 | [diff] [blame] | 813 | |
Sunny Goyal | 7c786f7 | 2016-06-01 14:08:21 -0700 | [diff] [blame] | 814 | // Expand the background drawing bounds by the padding baked into the background drawable |
| 815 | mBackground.getPadding(mTempRect); |
| 816 | mBackground.setBounds( |
Jon Miranda | 2803200 | 2017-07-13 16:18:56 -0700 | [diff] [blame] | 817 | left - mTempRect.left - getPaddingLeft(), |
| 818 | top - mTempRect.top - getPaddingTop(), |
| 819 | right + mTempRect.right + getPaddingRight(), |
| 820 | bottom + mTempRect.bottom + getPaddingBottom()); |
Sunny Goyal | ae6e318 | 2019-04-30 12:04:37 -0700 | [diff] [blame] | 821 | |
Sunny Goyal | c4d3201 | 2020-04-03 17:10:11 -0700 | [diff] [blame] | 822 | mShortcutsAndWidgets.layout(left, top, right, bottom); |
Sunny Goyal | 7c786f7 | 2016-06-01 14:08:21 -0700 | [diff] [blame] | 823 | } |
| 824 | |
Tony Wickham | a501d49 | 2015-11-03 18:05:01 -0800 | [diff] [blame] | 825 | /** |
| 826 | * Returns the amount of space left over after subtracting padding and cells. This space will be |
| 827 | * very small, a few pixels at most, and is a result of rounding down when calculating the cell |
| 828 | * width in {@link DeviceProfile#calculateCellWidth(int, int)}. |
| 829 | */ |
| 830 | public int getUnusedHorizontalSpace() { |
Sunny Goyal | c4d3201 | 2020-04-03 17:10:11 -0700 | [diff] [blame] | 831 | return getMeasuredWidth() - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth); |
Tony Wickham | a501d49 | 2015-11-03 18:05:01 -0800 | [diff] [blame] | 832 | } |
| 833 | |
Sunny Goyal | aeb1643 | 2017-10-16 11:46:41 -0700 | [diff] [blame] | 834 | public Drawable getScrimBackground() { |
| 835 | return mBackground; |
Michael Jurka | dee0589 | 2010-07-27 10:01:56 -0700 | [diff] [blame] | 836 | } |
| 837 | |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 838 | @Override |
| 839 | protected boolean verifyDrawable(Drawable who) { |
Sunny Goyal | 7ce471b | 2017-08-02 03:37:39 -0700 | [diff] [blame] | 840 | return super.verifyDrawable(who) || (who == mBackground); |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 841 | } |
| 842 | |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 843 | public ShortcutAndWidgetContainer getShortcutsAndWidgets() { |
Sunny Goyal | dcbcc86 | 2014-08-12 15:58:36 -0700 | [diff] [blame] | 844 | return mShortcutsAndWidgets; |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 845 | } |
| 846 | |
Patrick Dubroy | 440c360 | 2010-07-13 17:50:32 -0700 | [diff] [blame] | 847 | public View getChildAt(int x, int y) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 848 | return mShortcutsAndWidgets.getChildAt(x, y); |
Patrick Dubroy | 440c360 | 2010-07-13 17:50:32 -0700 | [diff] [blame] | 849 | } |
| 850 | |
Adam Cohen | 76fc085 | 2011-06-17 13:26:23 -0700 | [diff] [blame] | 851 | public boolean animateChildToPosition(final View child, int cellX, int cellY, int duration, |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 852 | int delay, boolean permanent, boolean adjustOccupied) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 853 | ShortcutAndWidgetContainer clc = getShortcutsAndWidgets(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 854 | |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 855 | if (clc.indexOfChild(child) != -1 && (child instanceof Reorderable)) { |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 856 | final LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 857 | final ItemInfo info = (ItemInfo) child.getTag(); |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 858 | final Reorderable item = (Reorderable) child; |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 859 | |
| 860 | // We cancel any existing animations |
| 861 | if (mReorderAnimators.containsKey(lp)) { |
| 862 | mReorderAnimators.get(lp).cancel(); |
| 863 | mReorderAnimators.remove(lp); |
| 864 | } |
| 865 | |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 866 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 867 | if (adjustOccupied) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 868 | GridOccupancy occupied = permanent ? mOccupied : mTmpOccupied; |
| 869 | occupied.markCells(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); |
| 870 | occupied.markCells(cellX, cellY, lp.cellHSpan, lp.cellVSpan, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 871 | } |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 872 | |
| 873 | // Compute the new x and y position based on the new cellX and cellY |
| 874 | // We leverage the actual layout logic in the layout params and hence need to modify |
| 875 | // state and revert that state. |
| 876 | final int oldX = lp.x; |
| 877 | final int oldY = lp.y; |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 878 | lp.isLockedToGrid = true; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 879 | if (permanent) { |
| 880 | lp.cellX = info.cellX = cellX; |
| 881 | lp.cellY = info.cellY = cellY; |
| 882 | } else { |
| 883 | lp.tmpCellX = cellX; |
| 884 | lp.tmpCellY = cellY; |
| 885 | } |
Jon Miranda | e96798e | 2016-12-07 12:10:44 -0800 | [diff] [blame] | 886 | clc.setupLp(child); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 887 | final int newX = lp.x; |
| 888 | final int newY = lp.y; |
Adam Cohen | 76fc085 | 2011-06-17 13:26:23 -0700 | [diff] [blame] | 889 | lp.x = oldX; |
| 890 | lp.y = oldY; |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 891 | lp.isLockedToGrid = false; |
| 892 | // End compute new x and y |
| 893 | |
| 894 | item.getReorderPreviewOffset(mTmpPointF); |
| 895 | final float initPreviewOffsetX = mTmpPointF.x; |
| 896 | final float initPreviewOffsetY = mTmpPointF.y; |
| 897 | final float finalPreviewOffsetX = newX - oldX; |
| 898 | final float finalPreviewOffsetY = newY - oldY; |
| 899 | |
Adam Cohen | 76fc085 | 2011-06-17 13:26:23 -0700 | [diff] [blame] | 900 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 901 | // Exit early if we're not actually moving the view |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 902 | if (finalPreviewOffsetX == 0 && finalPreviewOffsetY == 0 |
| 903 | && initPreviewOffsetX == 0 && initPreviewOffsetY == 0) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 904 | lp.isLockedToGrid = true; |
| 905 | return true; |
| 906 | } |
| 907 | |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 908 | ValueAnimator va = ValueAnimator.ofFloat(0f, 1f); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 909 | va.setDuration(duration); |
| 910 | mReorderAnimators.put(lp, va); |
| 911 | |
| 912 | va.addUpdateListener(new AnimatorUpdateListener() { |
| 913 | @Override |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 914 | public void onAnimationUpdate(ValueAnimator animation) { |
Jon Miranda | e96798e | 2016-12-07 12:10:44 -0800 | [diff] [blame] | 915 | float r = (Float) animation.getAnimatedValue(); |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 916 | float x = (1 - r) * initPreviewOffsetX + r * finalPreviewOffsetX; |
| 917 | float y = (1 - r) * initPreviewOffsetY + r * finalPreviewOffsetY; |
| 918 | item.setReorderPreviewOffset(x, y); |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 919 | } |
| 920 | }); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 921 | va.addListener(new AnimatorListenerAdapter() { |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 922 | boolean cancelled = false; |
| 923 | public void onAnimationEnd(Animator animation) { |
| 924 | // If the animation was cancelled, it means that another animation |
| 925 | // has interrupted this one, and we don't want to lock the item into |
| 926 | // place just yet. |
| 927 | if (!cancelled) { |
| 928 | lp.isLockedToGrid = true; |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 929 | item.setReorderPreviewOffset(0, 0); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 930 | child.requestLayout(); |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 931 | } |
| 932 | if (mReorderAnimators.containsKey(lp)) { |
| 933 | mReorderAnimators.remove(lp); |
| 934 | } |
| 935 | } |
| 936 | public void onAnimationCancel(Animator animation) { |
| 937 | cancelled = true; |
| 938 | } |
| 939 | }); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 940 | va.setStartDelay(delay); |
| 941 | va.start(); |
Adam Cohen | bfbfd26 | 2011-06-13 16:55:12 -0700 | [diff] [blame] | 942 | return true; |
| 943 | } |
| 944 | return false; |
| 945 | } |
| 946 | |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 947 | void visualizeDropLocation(DraggableView v, DragPreviewProvider outlineProvider, int cellX, int |
| 948 | cellY, int spanX, int spanY, boolean resize, DropTarget.DragObject dragObject) { |
Patrick Dubroy | 08ae2ec | 2010-10-14 23:54:22 -0700 | [diff] [blame] | 949 | final int oldDragCellX = mDragCell[0]; |
| 950 | final int oldDragCellY = mDragCell[1]; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 951 | |
Hyunyoung Song | 0de0117 | 2016-10-05 16:27:48 -0700 | [diff] [blame] | 952 | if (outlineProvider == null || outlineProvider.generatedDragOutline == null) { |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 953 | return; |
| 954 | } |
| 955 | |
Hyunyoung Song | 0de0117 | 2016-10-05 16:27:48 -0700 | [diff] [blame] | 956 | Bitmap dragOutline = outlineProvider.generatedDragOutline; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 957 | if (cellX != oldDragCellX || cellY != oldDragCellY) { |
| 958 | mDragCell[0] = cellX; |
| 959 | mDragCell[1] = cellY; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 960 | |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 961 | final int oldIndex = mDragOutlineCurrent; |
Patrick Dubroy | 08ae2ec | 2010-10-14 23:54:22 -0700 | [diff] [blame] | 962 | mDragOutlineAnims[oldIndex].animateOut(); |
| 963 | mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 964 | Rect r = mDragOutlines[mDragOutlineCurrent]; |
Sunny Goyal | 106bf64 | 2015-07-16 12:18:06 -0700 | [diff] [blame] | 965 | |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 966 | cellToRect(cellX, cellY, spanX, spanY, r); |
| 967 | int left = r.left; |
| 968 | int top = r.top; |
| 969 | |
| 970 | int width = dragOutline.getWidth(); |
| 971 | int height = dragOutline.getHeight(); |
| 972 | |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 973 | if (resize) { |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 974 | width = r.width(); |
| 975 | height = r.height(); |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 976 | } |
Winson Chung | 150fbab | 2010-09-29 17:14:26 -0700 | [diff] [blame] | 977 | |
Adam Cohen | 370164c | 2020-04-08 18:00:30 -0700 | [diff] [blame] | 978 | // Center horizontaly |
| 979 | left += ((mCellWidth * spanX) - dragOutline.getWidth()) / 2; |
| 980 | |
| 981 | if (v != null && v.getViewType() == DraggableView.DRAGGABLE_WIDGET) { |
| 982 | // Center vertically |
| 983 | top += ((mCellHeight * spanY) - dragOutline.getHeight()) / 2; |
| 984 | } else if (v != null && v.getViewType() == DraggableView.DRAGGABLE_ICON) { |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 985 | int cHeight = getShortcutsAndWidgets().getCellContentHeight(); |
| 986 | int cellPaddingY = (int) Math.max(0, ((mCellHeight - cHeight) / 2f)); |
| 987 | top += cellPaddingY; |
| 988 | } |
| 989 | |
| 990 | r.set(left, top, left + width, top + height); |
| 991 | |
Jon Miranda | 6f6a06a | 2016-12-15 11:24:18 -0800 | [diff] [blame] | 992 | Utilities.scaleRectAboutCenter(r, mChildScale); |
Patrick Dubroy | 08ae2ec | 2010-10-14 23:54:22 -0700 | [diff] [blame] | 993 | mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); |
| 994 | mDragOutlineAnims[mDragOutlineCurrent].animateIn(); |
Sunny Goyal | e78e3d7 | 2015-09-24 11:23:31 -0700 | [diff] [blame] | 995 | |
| 996 | if (dragObject.stateAnnouncer != null) { |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 997 | dragObject.stateAnnouncer.announce(getItemMoveDescription(cellX, cellY)); |
Sunny Goyal | e78e3d7 | 2015-09-24 11:23:31 -0700 | [diff] [blame] | 998 | } |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 999 | } |
| 1000 | } |
| 1001 | |
Sunny Goyal | 726bee7 | 2018-03-05 12:54:24 -0800 | [diff] [blame] | 1002 | @SuppressLint("StringFormatMatches") |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 1003 | public String getItemMoveDescription(int cellX, int cellY) { |
| 1004 | if (mContainerType == HOTSEAT) { |
| 1005 | return getContext().getString(R.string.move_to_hotseat_position, |
| 1006 | Math.max(cellX, cellY) + 1); |
| 1007 | } else { |
| 1008 | return getContext().getString(R.string.move_to_empty_cell, |
| 1009 | cellY + 1, cellX + 1); |
| 1010 | } |
| 1011 | } |
| 1012 | |
Adam Cohen | e031096 | 2011-04-18 16:15:31 -0700 | [diff] [blame] | 1013 | public void clearDragOutlines() { |
| 1014 | final int oldIndex = mDragOutlineCurrent; |
| 1015 | mDragOutlineAnims[oldIndex].animateOut(); |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1016 | mDragCell[0] = mDragCell[1] = -1; |
Adam Cohen | e031096 | 2011-04-18 16:15:31 -0700 | [diff] [blame] | 1017 | } |
| 1018 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1019 | /** |
Jeff Sharkey | 7086428 | 2009-04-07 21:08:40 -0700 | [diff] [blame] | 1020 | * Find a vacant area that will fit the given bounds nearest the requested |
| 1021 | * cell location. Uses Euclidean distance to score multiple vacant areas. |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 1022 | * |
Romain Guy | 51afc02 | 2009-05-04 18:03:43 -0700 | [diff] [blame] | 1023 | * @param pixelX The X location at which you want to search for a vacant area. |
| 1024 | * @param pixelY The Y location at which you want to search for a vacant area. |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1025 | * @param minSpanX The minimum horizontal span required |
| 1026 | * @param minSpanY The minimum vertical span required |
| 1027 | * @param spanX Horizontal span of the object. |
| 1028 | * @param spanY Vertical span of the object. |
| 1029 | * @param result Array in which to place the result, or null (in which case a new array will |
| 1030 | * be allocated) |
| 1031 | * @return The X, Y cell of a vacant area that can contain this object, |
| 1032 | * nearest the requested location. |
| 1033 | */ |
| 1034 | int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, |
| 1035 | int spanY, int[] result, int[] resultSpan) { |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 1036 | return findNearestArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, true, |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1037 | result, resultSpan); |
| 1038 | } |
| 1039 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1040 | private final Stack<Rect> mTempRectStack = new Stack<>(); |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1041 | private void lazyInitTempRectStack() { |
| 1042 | if (mTempRectStack.isEmpty()) { |
| 1043 | for (int i = 0; i < mCountX * mCountY; i++) { |
| 1044 | mTempRectStack.push(new Rect()); |
| 1045 | } |
| 1046 | } |
| 1047 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1048 | |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1049 | private void recycleTempRects(Stack<Rect> used) { |
| 1050 | while (!used.isEmpty()) { |
| 1051 | mTempRectStack.push(used.pop()); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | /** |
| 1056 | * Find a vacant area that will fit the given bounds nearest the requested |
| 1057 | * cell location. Uses Euclidean distance to score multiple vacant areas. |
| 1058 | * |
| 1059 | * @param pixelX The X location at which you want to search for a vacant area. |
| 1060 | * @param pixelY The Y location at which you want to search for a vacant area. |
| 1061 | * @param minSpanX The minimum horizontal span required |
| 1062 | * @param minSpanY The minimum vertical span required |
| 1063 | * @param spanX Horizontal span of the object. |
| 1064 | * @param spanY Vertical span of the object. |
| 1065 | * @param ignoreOccupied If true, the result can be an occupied cell |
| 1066 | * @param result Array in which to place the result, or null (in which case a new array will |
| 1067 | * be allocated) |
| 1068 | * @return The X, Y cell of a vacant area that can contain this object, |
| 1069 | * nearest the requested location. |
| 1070 | */ |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 1071 | private int[] findNearestArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, |
| 1072 | int spanY, boolean ignoreOccupied, int[] result, int[] resultSpan) { |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1073 | lazyInitTempRectStack(); |
Michael Jurka | c6ee42e | 2010-09-30 12:04:50 -0700 | [diff] [blame] | 1074 | |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 1075 | // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds |
| 1076 | // to the center of the item, but we are searching based on the top-left cell, so |
| 1077 | // we translate the point over to correspond to the top-left. |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 1078 | pixelX -= mCellWidth * (spanX - 1) / 2f; |
| 1079 | pixelY -= mCellHeight * (spanY - 1) / 2f; |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 1080 | |
Jeff Sharkey | 7086428 | 2009-04-07 21:08:40 -0700 | [diff] [blame] | 1081 | // Keep track of best-scoring drop area |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 1082 | final int[] bestXY = result != null ? result : new int[2]; |
Jeff Sharkey | 7086428 | 2009-04-07 21:08:40 -0700 | [diff] [blame] | 1083 | double bestDistance = Double.MAX_VALUE; |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1084 | final Rect bestRect = new Rect(-1, -1, -1, -1); |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1085 | final Stack<Rect> validRegions = new Stack<>(); |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 1086 | |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 1087 | final int countX = mCountX; |
| 1088 | final int countY = mCountY; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 1089 | |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1090 | if (minSpanX <= 0 || minSpanY <= 0 || spanX <= 0 || spanY <= 0 || |
| 1091 | spanX < minSpanX || spanY < minSpanY) { |
| 1092 | return bestXY; |
| 1093 | } |
| 1094 | |
| 1095 | for (int y = 0; y < countY - (minSpanY - 1); y++) { |
Michael Jurka | c28de51 | 2010-08-13 11:27:44 -0700 | [diff] [blame] | 1096 | inner: |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1097 | for (int x = 0; x < countX - (minSpanX - 1); x++) { |
| 1098 | int ySize = -1; |
| 1099 | int xSize = -1; |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 1100 | if (ignoreOccupied) { |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1101 | // First, let's see if this thing fits anywhere |
| 1102 | for (int i = 0; i < minSpanX; i++) { |
| 1103 | for (int j = 0; j < minSpanY; j++) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1104 | if (mOccupied.cells[x + i][y + j]) { |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 1105 | continue inner; |
| 1106 | } |
Michael Jurka | c28de51 | 2010-08-13 11:27:44 -0700 | [diff] [blame] | 1107 | } |
| 1108 | } |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1109 | xSize = minSpanX; |
| 1110 | ySize = minSpanY; |
| 1111 | |
| 1112 | // We know that the item will fit at _some_ acceptable size, now let's see |
| 1113 | // how big we can make it. We'll alternate between incrementing x and y spans |
| 1114 | // until we hit a limit. |
| 1115 | boolean incX = true; |
| 1116 | boolean hitMaxX = xSize >= spanX; |
| 1117 | boolean hitMaxY = ySize >= spanY; |
| 1118 | while (!(hitMaxX && hitMaxY)) { |
| 1119 | if (incX && !hitMaxX) { |
| 1120 | for (int j = 0; j < ySize; j++) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1121 | if (x + xSize > countX -1 || mOccupied.cells[x + xSize][y + j]) { |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1122 | // We can't move out horizontally |
| 1123 | hitMaxX = true; |
| 1124 | } |
| 1125 | } |
| 1126 | if (!hitMaxX) { |
| 1127 | xSize++; |
| 1128 | } |
| 1129 | } else if (!hitMaxY) { |
| 1130 | for (int i = 0; i < xSize; i++) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1131 | if (y + ySize > countY - 1 || mOccupied.cells[x + i][y + ySize]) { |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1132 | // We can't move out vertically |
| 1133 | hitMaxY = true; |
| 1134 | } |
| 1135 | } |
| 1136 | if (!hitMaxY) { |
| 1137 | ySize++; |
| 1138 | } |
| 1139 | } |
| 1140 | hitMaxX |= xSize >= spanX; |
| 1141 | hitMaxY |= ySize >= spanY; |
| 1142 | incX = !incX; |
| 1143 | } |
| 1144 | incX = true; |
| 1145 | hitMaxX = xSize >= spanX; |
| 1146 | hitMaxY = ySize >= spanY; |
Michael Jurka | c28de51 | 2010-08-13 11:27:44 -0700 | [diff] [blame] | 1147 | } |
Sunny Goyal | 2805e63 | 2015-05-20 15:35:32 -0700 | [diff] [blame] | 1148 | final int[] cellXY = mTmpPoint; |
Adam Cohen | e3e27a8 | 2011-04-15 12:07:39 -0700 | [diff] [blame] | 1149 | cellToCenterPoint(x, y, cellXY); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1150 | |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1151 | // We verify that the current rect is not a sub-rect of any of our previous |
| 1152 | // candidates. In this case, the current rect is disqualified in favour of the |
| 1153 | // containing rect. |
| 1154 | Rect currentRect = mTempRectStack.pop(); |
| 1155 | currentRect.set(x, y, x + xSize, y + ySize); |
| 1156 | boolean contained = false; |
| 1157 | for (Rect r : validRegions) { |
| 1158 | if (r.contains(currentRect)) { |
| 1159 | contained = true; |
| 1160 | break; |
| 1161 | } |
| 1162 | } |
| 1163 | validRegions.push(currentRect); |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 1164 | double distance = Math.hypot(cellXY[0] - pixelX, cellXY[1] - pixelY); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1165 | |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1166 | if ((distance <= bestDistance && !contained) || |
| 1167 | currentRect.contains(bestRect)) { |
Michael Jurka | c28de51 | 2010-08-13 11:27:44 -0700 | [diff] [blame] | 1168 | bestDistance = distance; |
| 1169 | bestXY[0] = x; |
| 1170 | bestXY[1] = y; |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1171 | if (resultSpan != null) { |
| 1172 | resultSpan[0] = xSize; |
| 1173 | resultSpan[1] = ySize; |
| 1174 | } |
| 1175 | bestRect.set(currentRect); |
Michael Jurka | c28de51 | 2010-08-13 11:27:44 -0700 | [diff] [blame] | 1176 | } |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1177 | } |
| 1178 | } |
| 1179 | |
Adam Cohen | c0dcf59 | 2011-06-01 15:30:43 -0700 | [diff] [blame] | 1180 | // Return -1, -1 if no suitable location found |
| 1181 | if (bestDistance == Double.MAX_VALUE) { |
| 1182 | bestXY[0] = -1; |
| 1183 | bestXY[1] = -1; |
Jeff Sharkey | 7086428 | 2009-04-07 21:08:40 -0700 | [diff] [blame] | 1184 | } |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 1185 | recycleTempRects(validRegions); |
Adam Cohen | c0dcf59 | 2011-06-01 15:30:43 -0700 | [diff] [blame] | 1186 | return bestXY; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1187 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 1188 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1189 | /** |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1190 | * Find a vacant area that will fit the given bounds nearest the requested |
| 1191 | * cell location, and will also weigh in a suggested direction vector of the |
| 1192 | * desired location. This method computers distance based on unit grid distances, |
| 1193 | * not pixel distances. |
| 1194 | * |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1195 | * @param cellX The X cell nearest to which you want to search for a vacant area. |
| 1196 | * @param cellY The Y cell nearest which you want to search for a vacant area. |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1197 | * @param spanX Horizontal span of the object. |
| 1198 | * @param spanY Vertical span of the object. |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1199 | * @param direction The favored direction in which the views should move from x, y |
Sunny Goyal | 9eba1fd | 2015-10-16 08:58:57 -0700 | [diff] [blame] | 1200 | * @param occupied The array which represents which cells in the CellLayout are occupied |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1201 | * @param blockOccupied The array which represents which cells in the specified block (cellX, |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 1202 | * cellY, spanX, spanY) are occupied. This is used when try to move a group of views. |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1203 | * @param result Array in which to place the result, or null (in which case a new array will |
| 1204 | * be allocated) |
| 1205 | * @return The X, Y cell of a vacant area that can contain this object, |
| 1206 | * nearest the requested location. |
| 1207 | */ |
| 1208 | private int[] findNearestArea(int cellX, int cellY, int spanX, int spanY, int[] direction, |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1209 | boolean[][] occupied, boolean blockOccupied[][], int[] result) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1210 | // Keep track of best-scoring drop area |
| 1211 | final int[] bestXY = result != null ? result : new int[2]; |
| 1212 | float bestDistance = Float.MAX_VALUE; |
| 1213 | int bestDirectionScore = Integer.MIN_VALUE; |
| 1214 | |
| 1215 | final int countX = mCountX; |
| 1216 | final int countY = mCountY; |
| 1217 | |
| 1218 | for (int y = 0; y < countY - (spanY - 1); y++) { |
| 1219 | inner: |
| 1220 | for (int x = 0; x < countX - (spanX - 1); x++) { |
| 1221 | // First, let's see if this thing fits anywhere |
| 1222 | for (int i = 0; i < spanX; i++) { |
| 1223 | for (int j = 0; j < spanY; j++) { |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1224 | if (occupied[x + i][y + j] && (blockOccupied == null || blockOccupied[i][j])) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1225 | continue inner; |
| 1226 | } |
| 1227 | } |
| 1228 | } |
| 1229 | |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 1230 | float distance = (float) Math.hypot(x - cellX, y - cellY); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1231 | int[] curDirection = mTmpPoint; |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1232 | computeDirectionVector(x - cellX, y - cellY, curDirection); |
| 1233 | // The direction score is just the dot product of the two candidate direction |
| 1234 | // and that passed in. |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1235 | int curDirectionScore = direction[0] * curDirection[0] + |
| 1236 | direction[1] * curDirection[1]; |
Sunny Goyal | 8f90dcf | 2016-08-18 15:01:11 -0700 | [diff] [blame] | 1237 | if (Float.compare(distance, bestDistance) < 0 || |
| 1238 | (Float.compare(distance, bestDistance) == 0 |
| 1239 | && curDirectionScore > bestDirectionScore)) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1240 | bestDistance = distance; |
| 1241 | bestDirectionScore = curDirectionScore; |
| 1242 | bestXY[0] = x; |
| 1243 | bestXY[1] = y; |
| 1244 | } |
| 1245 | } |
| 1246 | } |
| 1247 | |
| 1248 | // Return -1, -1 if no suitable location found |
| 1249 | if (bestDistance == Float.MAX_VALUE) { |
| 1250 | bestXY[0] = -1; |
| 1251 | bestXY[1] = -1; |
| 1252 | } |
| 1253 | return bestXY; |
| 1254 | } |
| 1255 | |
| 1256 | private boolean addViewToTempLocation(View v, Rect rectOccupiedByPotentialDrop, |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1257 | int[] direction, ItemConfiguration currentState) { |
| 1258 | CellAndSpan c = currentState.map.get(v); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1259 | boolean success = false; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1260 | mTmpOccupied.markCells(c, false); |
| 1261 | mTmpOccupied.markCells(rectOccupiedByPotentialDrop, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1262 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1263 | findNearestArea(c.cellX, c.cellY, c.spanX, c.spanY, direction, |
| 1264 | mTmpOccupied.cells, null, mTempLocation); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1265 | |
| 1266 | if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1267 | c.cellX = mTempLocation[0]; |
| 1268 | c.cellY = mTempLocation[1]; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1269 | success = true; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1270 | } |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1271 | mTmpOccupied.markCells(c, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1272 | return success; |
| 1273 | } |
| 1274 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1275 | /** |
| 1276 | * This helper class defines a cluster of views. It helps with defining complex edges |
| 1277 | * of the cluster and determining how those edges interact with other views. The edges |
| 1278 | * essentially define a fine-grained boundary around the cluster of views -- like a more |
| 1279 | * precise version of a bounding box. |
| 1280 | */ |
| 1281 | private class ViewCluster { |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1282 | final static int LEFT = 1 << 0; |
| 1283 | final static int TOP = 1 << 1; |
| 1284 | final static int RIGHT = 1 << 2; |
| 1285 | final static int BOTTOM = 1 << 3; |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1286 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1287 | final ArrayList<View> views; |
| 1288 | final ItemConfiguration config; |
| 1289 | final Rect boundingRect = new Rect(); |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1290 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1291 | final int[] leftEdge = new int[mCountY]; |
| 1292 | final int[] rightEdge = new int[mCountY]; |
| 1293 | final int[] topEdge = new int[mCountX]; |
| 1294 | final int[] bottomEdge = new int[mCountX]; |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1295 | int dirtyEdges; |
| 1296 | boolean boundingRectDirty; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1297 | |
| 1298 | @SuppressWarnings("unchecked") |
| 1299 | public ViewCluster(ArrayList<View> views, ItemConfiguration config) { |
| 1300 | this.views = (ArrayList<View>) views.clone(); |
| 1301 | this.config = config; |
| 1302 | resetEdges(); |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1303 | } |
| 1304 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1305 | void resetEdges() { |
| 1306 | for (int i = 0; i < mCountX; i++) { |
| 1307 | topEdge[i] = -1; |
| 1308 | bottomEdge[i] = -1; |
| 1309 | } |
| 1310 | for (int i = 0; i < mCountY; i++) { |
| 1311 | leftEdge[i] = -1; |
| 1312 | rightEdge[i] = -1; |
| 1313 | } |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1314 | dirtyEdges = LEFT | TOP | RIGHT | BOTTOM; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1315 | boundingRectDirty = true; |
| 1316 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1317 | |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1318 | void computeEdge(int which) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1319 | int count = views.size(); |
| 1320 | for (int i = 0; i < count; i++) { |
| 1321 | CellAndSpan cs = config.map.get(views.get(i)); |
| 1322 | switch (which) { |
| 1323 | case LEFT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1324 | int left = cs.cellX; |
| 1325 | for (int j = cs.cellY; j < cs.cellY + cs.spanY; j++) { |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1326 | if (left < leftEdge[j] || leftEdge[j] < 0) { |
| 1327 | leftEdge[j] = left; |
Adam Cohen | a56dc10 | 2012-07-13 13:41:42 -0700 | [diff] [blame] | 1328 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1329 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1330 | break; |
| 1331 | case RIGHT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1332 | int right = cs.cellX + cs.spanX; |
| 1333 | for (int j = cs.cellY; j < cs.cellY + cs.spanY; j++) { |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1334 | if (right > rightEdge[j]) { |
| 1335 | rightEdge[j] = right; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1336 | } |
| 1337 | } |
| 1338 | break; |
| 1339 | case TOP: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1340 | int top = cs.cellY; |
| 1341 | for (int j = cs.cellX; j < cs.cellX + cs.spanX; j++) { |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1342 | if (top < topEdge[j] || topEdge[j] < 0) { |
| 1343 | topEdge[j] = top; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1344 | } |
| 1345 | } |
| 1346 | break; |
| 1347 | case BOTTOM: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1348 | int bottom = cs.cellY + cs.spanY; |
| 1349 | for (int j = cs.cellX; j < cs.cellX + cs.spanX; j++) { |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1350 | if (bottom > bottomEdge[j]) { |
| 1351 | bottomEdge[j] = bottom; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1352 | } |
| 1353 | } |
| 1354 | break; |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1355 | } |
| 1356 | } |
| 1357 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1358 | |
| 1359 | boolean isViewTouchingEdge(View v, int whichEdge) { |
| 1360 | CellAndSpan cs = config.map.get(v); |
| 1361 | |
Sunny Goyal | 6dc98b9 | 2016-04-03 15:25:29 -0700 | [diff] [blame] | 1362 | if ((dirtyEdges & whichEdge) == whichEdge) { |
| 1363 | computeEdge(whichEdge); |
| 1364 | dirtyEdges &= ~whichEdge; |
| 1365 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1366 | |
| 1367 | switch (whichEdge) { |
| 1368 | case LEFT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1369 | for (int i = cs.cellY; i < cs.cellY + cs.spanY; i++) { |
| 1370 | if (leftEdge[i] == cs.cellX + cs.spanX) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1371 | return true; |
| 1372 | } |
| 1373 | } |
| 1374 | break; |
| 1375 | case RIGHT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1376 | for (int i = cs.cellY; i < cs.cellY + cs.spanY; i++) { |
| 1377 | if (rightEdge[i] == cs.cellX) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1378 | return true; |
| 1379 | } |
| 1380 | } |
| 1381 | break; |
| 1382 | case TOP: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1383 | for (int i = cs.cellX; i < cs.cellX + cs.spanX; i++) { |
| 1384 | if (topEdge[i] == cs.cellY + cs.spanY) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1385 | return true; |
| 1386 | } |
| 1387 | } |
| 1388 | break; |
| 1389 | case BOTTOM: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1390 | for (int i = cs.cellX; i < cs.cellX + cs.spanX; i++) { |
| 1391 | if (bottomEdge[i] == cs.cellY) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1392 | return true; |
| 1393 | } |
| 1394 | } |
| 1395 | break; |
| 1396 | } |
| 1397 | return false; |
| 1398 | } |
| 1399 | |
| 1400 | void shift(int whichEdge, int delta) { |
| 1401 | for (View v: views) { |
| 1402 | CellAndSpan c = config.map.get(v); |
| 1403 | switch (whichEdge) { |
| 1404 | case LEFT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1405 | c.cellX -= delta; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1406 | break; |
| 1407 | case RIGHT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1408 | c.cellX += delta; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1409 | break; |
| 1410 | case TOP: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1411 | c.cellY -= delta; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1412 | break; |
| 1413 | case BOTTOM: |
| 1414 | default: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1415 | c.cellY += delta; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1416 | break; |
| 1417 | } |
| 1418 | } |
| 1419 | resetEdges(); |
| 1420 | } |
| 1421 | |
| 1422 | public void addView(View v) { |
| 1423 | views.add(v); |
| 1424 | resetEdges(); |
| 1425 | } |
| 1426 | |
| 1427 | public Rect getBoundingRect() { |
| 1428 | if (boundingRectDirty) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1429 | config.getBoundingRectForViews(views, boundingRect); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1430 | } |
| 1431 | return boundingRect; |
| 1432 | } |
| 1433 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1434 | final PositionComparator comparator = new PositionComparator(); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1435 | class PositionComparator implements Comparator<View> { |
| 1436 | int whichEdge = 0; |
| 1437 | public int compare(View left, View right) { |
| 1438 | CellAndSpan l = config.map.get(left); |
| 1439 | CellAndSpan r = config.map.get(right); |
| 1440 | switch (whichEdge) { |
| 1441 | case LEFT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1442 | return (r.cellX + r.spanX) - (l.cellX + l.spanX); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1443 | case RIGHT: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1444 | return l.cellX - r.cellX; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1445 | case TOP: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1446 | return (r.cellY + r.spanY) - (l.cellY + l.spanY); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1447 | case BOTTOM: |
| 1448 | default: |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1449 | return l.cellY - r.cellY; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1450 | } |
| 1451 | } |
| 1452 | } |
| 1453 | |
| 1454 | public void sortConfigurationForEdgePush(int edge) { |
| 1455 | comparator.whichEdge = edge; |
| 1456 | Collections.sort(config.sortedViews, comparator); |
| 1457 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1458 | } |
| 1459 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1460 | private boolean pushViewsToTempLocation(ArrayList<View> views, Rect rectOccupiedByPotentialDrop, |
| 1461 | int[] direction, View dragView, ItemConfiguration currentState) { |
Adam Cohen | e048950 | 2012-08-27 15:18:53 -0700 | [diff] [blame] | 1462 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1463 | ViewCluster cluster = new ViewCluster(views, currentState); |
| 1464 | Rect clusterRect = cluster.getBoundingRect(); |
| 1465 | int whichEdge; |
| 1466 | int pushDistance; |
| 1467 | boolean fail = false; |
| 1468 | |
| 1469 | // Determine the edge of the cluster that will be leading the push and how far |
| 1470 | // the cluster must be shifted. |
| 1471 | if (direction[0] < 0) { |
| 1472 | whichEdge = ViewCluster.LEFT; |
| 1473 | pushDistance = clusterRect.right - rectOccupiedByPotentialDrop.left; |
Adam Cohen | e048950 | 2012-08-27 15:18:53 -0700 | [diff] [blame] | 1474 | } else if (direction[0] > 0) { |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1475 | whichEdge = ViewCluster.RIGHT; |
| 1476 | pushDistance = rectOccupiedByPotentialDrop.right - clusterRect.left; |
| 1477 | } else if (direction[1] < 0) { |
| 1478 | whichEdge = ViewCluster.TOP; |
| 1479 | pushDistance = clusterRect.bottom - rectOccupiedByPotentialDrop.top; |
| 1480 | } else { |
| 1481 | whichEdge = ViewCluster.BOTTOM; |
| 1482 | pushDistance = rectOccupiedByPotentialDrop.bottom - clusterRect.top; |
Adam Cohen | e048950 | 2012-08-27 15:18:53 -0700 | [diff] [blame] | 1483 | } |
| 1484 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1485 | // Break early for invalid push distance. |
| 1486 | if (pushDistance <= 0) { |
| 1487 | return false; |
Adam Cohen | e048950 | 2012-08-27 15:18:53 -0700 | [diff] [blame] | 1488 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1489 | |
| 1490 | // Mark the occupied state as false for the group of views we want to move. |
| 1491 | for (View v: views) { |
| 1492 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1493 | mTmpOccupied.markCells(c, false); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1494 | } |
| 1495 | |
| 1496 | // We save the current configuration -- if we fail to find a solution we will revert |
| 1497 | // to the initial state. The process of finding a solution modifies the configuration |
| 1498 | // in place, hence the need for revert in the failure case. |
| 1499 | currentState.save(); |
| 1500 | |
| 1501 | // The pushing algorithm is simplified by considering the views in the order in which |
| 1502 | // they would be pushed by the cluster. For example, if the cluster is leading with its |
| 1503 | // left edge, we consider sort the views by their right edge, from right to left. |
| 1504 | cluster.sortConfigurationForEdgePush(whichEdge); |
| 1505 | |
| 1506 | while (pushDistance > 0 && !fail) { |
| 1507 | for (View v: currentState.sortedViews) { |
| 1508 | // For each view that isn't in the cluster, we see if the leading edge of the |
| 1509 | // cluster is contacting the edge of that view. If so, we add that view to the |
| 1510 | // cluster. |
| 1511 | if (!cluster.views.contains(v) && v != dragView) { |
| 1512 | if (cluster.isViewTouchingEdge(v, whichEdge)) { |
| 1513 | LayoutParams lp = (LayoutParams) v.getLayoutParams(); |
| 1514 | if (!lp.canReorder) { |
| 1515 | // The push solution includes the all apps button, this is not viable. |
| 1516 | fail = true; |
| 1517 | break; |
| 1518 | } |
| 1519 | cluster.addView(v); |
| 1520 | CellAndSpan c = currentState.map.get(v); |
| 1521 | |
| 1522 | // Adding view to cluster, mark it as not occupied. |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1523 | mTmpOccupied.markCells(c, false); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1524 | } |
| 1525 | } |
| 1526 | } |
| 1527 | pushDistance--; |
| 1528 | |
| 1529 | // The cluster has been completed, now we move the whole thing over in the appropriate |
| 1530 | // direction. |
| 1531 | cluster.shift(whichEdge, 1); |
| 1532 | } |
| 1533 | |
| 1534 | boolean foundSolution = false; |
| 1535 | clusterRect = cluster.getBoundingRect(); |
| 1536 | |
| 1537 | // Due to the nature of the algorithm, the only check required to verify a valid solution |
| 1538 | // is to ensure that completed shifted cluster lies completely within the cell layout. |
| 1539 | if (!fail && clusterRect.left >= 0 && clusterRect.right <= mCountX && clusterRect.top >= 0 && |
| 1540 | clusterRect.bottom <= mCountY) { |
| 1541 | foundSolution = true; |
| 1542 | } else { |
| 1543 | currentState.restore(); |
| 1544 | } |
| 1545 | |
| 1546 | // In either case, we set the occupied array as marked for the location of the views |
| 1547 | for (View v: cluster.views) { |
| 1548 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1549 | mTmpOccupied.markCells(c, true); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1550 | } |
| 1551 | |
| 1552 | return foundSolution; |
Adam Cohen | e048950 | 2012-08-27 15:18:53 -0700 | [diff] [blame] | 1553 | } |
| 1554 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1555 | private boolean addViewsToTempLocation(ArrayList<View> views, Rect rectOccupiedByPotentialDrop, |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1556 | int[] direction, View dragView, ItemConfiguration currentState) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1557 | if (views.size() == 0) return true; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1558 | |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1559 | boolean success = false; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1560 | Rect boundingRect = new Rect(); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1561 | // We construct a rect which represents the entire group of views passed in |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1562 | currentState.getBoundingRectForViews(views, boundingRect); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1563 | |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1564 | // Mark the occupied state as false for the group of views we want to move. |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1565 | for (View v: views) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1566 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1567 | mTmpOccupied.markCells(c, false); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1568 | } |
| 1569 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1570 | GridOccupancy blockOccupied = new GridOccupancy(boundingRect.width(), boundingRect.height()); |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1571 | int top = boundingRect.top; |
| 1572 | int left = boundingRect.left; |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1573 | // We mark more precisely which parts of the bounding rect are truly occupied, allowing |
Adam Cohen | a56dc10 | 2012-07-13 13:41:42 -0700 | [diff] [blame] | 1574 | // for interlocking. |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1575 | for (View v: views) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1576 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1577 | blockOccupied.markCells(c.cellX - left, c.cellY - top, c.spanX, c.spanY, true); |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1578 | } |
| 1579 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1580 | mTmpOccupied.markCells(rectOccupiedByPotentialDrop, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1581 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1582 | findNearestArea(boundingRect.left, boundingRect.top, boundingRect.width(), |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1583 | boundingRect.height(), direction, |
| 1584 | mTmpOccupied.cells, blockOccupied.cells, mTempLocation); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1585 | |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1586 | // If we successfuly found a location by pushing the block of views, we commit it |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1587 | if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1588 | int deltaX = mTempLocation[0] - boundingRect.left; |
| 1589 | int deltaY = mTempLocation[1] - boundingRect.top; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1590 | for (View v: views) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1591 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1592 | c.cellX += deltaX; |
| 1593 | c.cellY += deltaY; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1594 | } |
| 1595 | success = true; |
| 1596 | } |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1597 | |
| 1598 | // In either case, we set the occupied array as marked for the location of the views |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1599 | for (View v: views) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1600 | CellAndSpan c = currentState.map.get(v); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1601 | mTmpOccupied.markCells(c, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1602 | } |
| 1603 | return success; |
| 1604 | } |
| 1605 | |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1606 | // This method tries to find a reordering solution which satisfies the push mechanic by trying |
| 1607 | // to push items in each of the cardinal directions, in an order based on the direction vector |
| 1608 | // passed. |
| 1609 | private boolean attemptPushInDirection(ArrayList<View> intersectingViews, Rect occupied, |
| 1610 | int[] direction, View ignoreView, ItemConfiguration solution) { |
| 1611 | if ((Math.abs(direction[0]) + Math.abs(direction[1])) > 1) { |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 1612 | // If the direction vector has two non-zero components, we try pushing |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1613 | // separately in each of the components. |
| 1614 | int temp = direction[1]; |
| 1615 | direction[1] = 0; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1616 | |
| 1617 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1618 | ignoreView, solution)) { |
| 1619 | return true; |
| 1620 | } |
| 1621 | direction[1] = temp; |
| 1622 | temp = direction[0]; |
| 1623 | direction[0] = 0; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1624 | |
| 1625 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1626 | ignoreView, solution)) { |
| 1627 | return true; |
| 1628 | } |
| 1629 | // Revert the direction |
| 1630 | direction[0] = temp; |
| 1631 | |
| 1632 | // Now we try pushing in each component of the opposite direction |
| 1633 | direction[0] *= -1; |
| 1634 | direction[1] *= -1; |
| 1635 | temp = direction[1]; |
| 1636 | direction[1] = 0; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1637 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1638 | ignoreView, solution)) { |
| 1639 | return true; |
| 1640 | } |
| 1641 | |
| 1642 | direction[1] = temp; |
| 1643 | temp = direction[0]; |
| 1644 | direction[0] = 0; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1645 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1646 | ignoreView, solution)) { |
| 1647 | return true; |
| 1648 | } |
| 1649 | // revert the direction |
| 1650 | direction[0] = temp; |
| 1651 | direction[0] *= -1; |
| 1652 | direction[1] *= -1; |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 1653 | |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1654 | } else { |
| 1655 | // If the direction vector has a single non-zero component, we push first in the |
| 1656 | // direction of the vector |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1657 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1658 | ignoreView, solution)) { |
| 1659 | return true; |
| 1660 | } |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1661 | // Then we try the opposite direction |
| 1662 | direction[0] *= -1; |
| 1663 | direction[1] *= -1; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1664 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1665 | ignoreView, solution)) { |
| 1666 | return true; |
| 1667 | } |
| 1668 | // Switch the direction back |
| 1669 | direction[0] *= -1; |
| 1670 | direction[1] *= -1; |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 1671 | |
| 1672 | // If we have failed to find a push solution with the above, then we try |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1673 | // to find a solution by pushing along the perpendicular axis. |
| 1674 | |
| 1675 | // Swap the components |
| 1676 | int temp = direction[1]; |
| 1677 | direction[1] = direction[0]; |
| 1678 | direction[0] = temp; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1679 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1680 | ignoreView, solution)) { |
| 1681 | return true; |
| 1682 | } |
| 1683 | |
| 1684 | // Then we try the opposite direction |
| 1685 | direction[0] *= -1; |
| 1686 | direction[1] *= -1; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1687 | if (pushViewsToTempLocation(intersectingViews, occupied, direction, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1688 | ignoreView, solution)) { |
| 1689 | return true; |
| 1690 | } |
| 1691 | // Switch the direction back |
| 1692 | direction[0] *= -1; |
| 1693 | direction[1] *= -1; |
| 1694 | |
| 1695 | // Swap the components back |
| 1696 | temp = direction[1]; |
| 1697 | direction[1] = direction[0]; |
| 1698 | direction[0] = temp; |
| 1699 | } |
| 1700 | return false; |
| 1701 | } |
| 1702 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1703 | private boolean rearrangementExists(int cellX, int cellY, int spanX, int spanY, int[] direction, |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1704 | View ignoreView, ItemConfiguration solution) { |
Winson Chung | e3e03bc | 2012-05-01 15:10:11 -0700 | [diff] [blame] | 1705 | // Return early if get invalid cell positions |
| 1706 | if (cellX < 0 || cellY < 0) return false; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1707 | |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1708 | mIntersectingViews.clear(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1709 | mOccupiedRect.set(cellX, cellY, cellX + spanX, cellY + spanY); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1710 | |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1711 | // Mark the desired location of the view currently being dragged. |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1712 | if (ignoreView != null) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1713 | CellAndSpan c = solution.map.get(ignoreView); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1714 | if (c != null) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1715 | c.cellX = cellX; |
| 1716 | c.cellY = cellY; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1717 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1718 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1719 | Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); |
| 1720 | Rect r1 = new Rect(); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1721 | for (View child: solution.map.keySet()) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1722 | if (child == ignoreView) continue; |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1723 | CellAndSpan c = solution.map.get(child); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1724 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1725 | r1.set(c.cellX, c.cellY, c.cellX + c.spanX, c.cellY + c.spanY); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1726 | if (Rect.intersects(r0, r1)) { |
| 1727 | if (!lp.canReorder) { |
| 1728 | return false; |
| 1729 | } |
| 1730 | mIntersectingViews.add(child); |
| 1731 | } |
| 1732 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1733 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1734 | solution.intersectingViews = new ArrayList<>(mIntersectingViews); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1735 | |
Winson Chung | 5f8afe6 | 2013-08-12 16:19:28 -0700 | [diff] [blame] | 1736 | // First we try to find a solution which respects the push mechanic. That is, |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1737 | // we try to find a solution such that no displaced item travels through another item |
| 1738 | // without also displacing that item. |
| 1739 | if (attemptPushInDirection(mIntersectingViews, mOccupiedRect, direction, ignoreView, |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1740 | solution)) { |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1741 | return true; |
| 1742 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1743 | |
Adam Cohen | 4abc5bd | 2012-05-29 21:06:03 -0700 | [diff] [blame] | 1744 | // Next we try moving the views as a block, but without requiring the push mechanic. |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1745 | if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, ignoreView, |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1746 | solution)) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1747 | return true; |
| 1748 | } |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1749 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1750 | // Ok, they couldn't move as a block, let's move them individually |
| 1751 | for (View v : mIntersectingViews) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1752 | if (!addViewToTempLocation(v, mOccupiedRect, direction, solution)) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1753 | return false; |
| 1754 | } |
| 1755 | } |
| 1756 | return true; |
| 1757 | } |
| 1758 | |
| 1759 | /* |
| 1760 | * Returns a pair (x, y), where x,y are in {-1, 0, 1} corresponding to vector between |
| 1761 | * the provided point and the provided cell |
| 1762 | */ |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 1763 | private void computeDirectionVector(float deltaX, float deltaY, int[] result) { |
Jon Miranda | e96798e | 2016-12-07 12:10:44 -0800 | [diff] [blame] | 1764 | double angle = Math.atan(deltaY / deltaX); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1765 | |
| 1766 | result[0] = 0; |
| 1767 | result[1] = 0; |
| 1768 | if (Math.abs(Math.cos(angle)) > 0.5f) { |
| 1769 | result[0] = (int) Math.signum(deltaX); |
| 1770 | } |
| 1771 | if (Math.abs(Math.sin(angle)) > 0.5f) { |
| 1772 | result[1] = (int) Math.signum(deltaY); |
| 1773 | } |
| 1774 | } |
| 1775 | |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 1776 | private ItemConfiguration findReorderSolution(int pixelX, int pixelY, int minSpanX, int minSpanY, |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1777 | int spanX, int spanY, int[] direction, View dragView, boolean decX, |
| 1778 | ItemConfiguration solution) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1779 | // Copy the current state into the solution. This solution will be manipulated as necessary. |
| 1780 | copyCurrentStateToSolution(solution, false); |
| 1781 | // Copy the current occupied array into the temporary occupied array. This array will be |
| 1782 | // manipulated as necessary to find a solution. |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1783 | mOccupied.copyTo(mTmpOccupied); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1784 | |
| 1785 | // We find the nearest cell into which we would place the dragged item, assuming there's |
| 1786 | // nothing in its way. |
| 1787 | int result[] = new int[2]; |
| 1788 | result = findNearestArea(pixelX, pixelY, spanX, spanY, result); |
| 1789 | |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1790 | boolean success; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1791 | // First we try the exact nearest position of the item being dragged, |
| 1792 | // we will then want to try to move this around to other neighbouring positions |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1793 | success = rearrangementExists(result[0], result[1], spanX, spanY, direction, dragView, |
| 1794 | solution); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1795 | |
| 1796 | if (!success) { |
| 1797 | // We try shrinking the widget down to size in an alternating pattern, shrink 1 in |
| 1798 | // x, then 1 in y etc. |
| 1799 | if (spanX > minSpanX && (minSpanY == spanY || decX)) { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1800 | return findReorderSolution(pixelX, pixelY, minSpanX, minSpanY, spanX - 1, spanY, |
| 1801 | direction, dragView, false, solution); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1802 | } else if (spanY > minSpanY) { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1803 | return findReorderSolution(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY - 1, |
| 1804 | direction, dragView, true, solution); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1805 | } |
| 1806 | solution.isSolution = false; |
| 1807 | } else { |
| 1808 | solution.isSolution = true; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1809 | solution.cellX = result[0]; |
| 1810 | solution.cellY = result[1]; |
| 1811 | solution.spanX = spanX; |
| 1812 | solution.spanY = spanY; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1813 | } |
| 1814 | return solution; |
| 1815 | } |
| 1816 | |
| 1817 | private void copyCurrentStateToSolution(ItemConfiguration solution, boolean temp) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1818 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1819 | for (int i = 0; i < childCount; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1820 | View child = mShortcutsAndWidgets.getChildAt(i); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1821 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1822 | CellAndSpan c; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1823 | if (temp) { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1824 | c = new CellAndSpan(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, lp.cellVSpan); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1825 | } else { |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1826 | c = new CellAndSpan(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1827 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 1828 | solution.add(child, c); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1829 | } |
| 1830 | } |
| 1831 | |
| 1832 | private void copySolutionToTempState(ItemConfiguration solution, View dragView) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1833 | mTmpOccupied.clear(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1834 | |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1835 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1836 | for (int i = 0; i < childCount; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1837 | View child = mShortcutsAndWidgets.getChildAt(i); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1838 | if (child == dragView) continue; |
| 1839 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1840 | CellAndSpan c = solution.map.get(child); |
| 1841 | if (c != null) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1842 | lp.tmpCellX = c.cellX; |
| 1843 | lp.tmpCellY = c.cellY; |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1844 | lp.cellHSpan = c.spanX; |
| 1845 | lp.cellVSpan = c.spanY; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1846 | mTmpOccupied.markCells(c, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1847 | } |
| 1848 | } |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1849 | mTmpOccupied.markCells(solution, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1850 | } |
| 1851 | |
| 1852 | private void animateItemsToSolution(ItemConfiguration solution, View dragView, boolean |
| 1853 | commitDragView) { |
| 1854 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1855 | GridOccupancy occupied = DESTRUCTIVE_REORDER ? mOccupied : mTmpOccupied; |
| 1856 | occupied.clear(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1857 | |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1858 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1859 | for (int i = 0; i < childCount; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 1860 | View child = mShortcutsAndWidgets.getChildAt(i); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1861 | if (child == dragView) continue; |
Adam Cohen | 8baab35 | 2012-03-20 17:39:21 -0700 | [diff] [blame] | 1862 | CellAndSpan c = solution.map.get(child); |
| 1863 | if (c != null) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1864 | animateChildToPosition(child, c.cellX, c.cellY, REORDER_ANIMATION_DURATION, 0, |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1865 | DESTRUCTIVE_REORDER, false); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1866 | occupied.markCells(c, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1867 | } |
| 1868 | } |
| 1869 | if (commitDragView) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 1870 | occupied.markCells(solution, true); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 1871 | } |
| 1872 | } |
| 1873 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1874 | |
| 1875 | // This method starts or changes the reorder preview animations |
| 1876 | private void beginOrAdjustReorderPreviewAnimations(ItemConfiguration solution, |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 1877 | View dragView, int mode) { |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1878 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1879 | for (int i = 0; i < childCount; i++) { |
| 1880 | View child = mShortcutsAndWidgets.getChildAt(i); |
| 1881 | if (child == dragView) continue; |
| 1882 | CellAndSpan c = solution.map.get(child); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1883 | boolean skip = mode == ReorderPreviewAnimation.MODE_HINT && solution.intersectingViews |
| 1884 | != null && !solution.intersectingViews.contains(child); |
| 1885 | |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1886 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1887 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1888 | if (c != null && !skip && (child instanceof Reorderable)) { |
| 1889 | ReorderPreviewAnimation rha = new ReorderPreviewAnimation((Reorderable) child, |
| 1890 | mode, lp.cellX, lp.cellY, c.cellX, c.cellY, c.spanX, c.spanY); |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 1891 | rha.animate(); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1892 | } |
| 1893 | } |
| 1894 | } |
| 1895 | |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 1896 | private static final Property<ReorderPreviewAnimation, Float> ANIMATION_PROGRESS = |
| 1897 | new Property<ReorderPreviewAnimation, Float>(float.class, "animationProgress") { |
| 1898 | @Override |
| 1899 | public Float get(ReorderPreviewAnimation anim) { |
| 1900 | return anim.animationProgress; |
| 1901 | } |
| 1902 | |
| 1903 | @Override |
| 1904 | public void set(ReorderPreviewAnimation anim, Float progress) { |
| 1905 | anim.setAnimationProgress(progress); |
| 1906 | } |
| 1907 | }; |
| 1908 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1909 | // Class which represents the reorder preview animations. These animations show that an item is |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1910 | // in a temporary state, and hint at where the item will return to. |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1911 | class ReorderPreviewAnimation { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1912 | final Reorderable child; |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 1913 | float finalDeltaX; |
| 1914 | float finalDeltaY; |
| 1915 | float initDeltaX; |
| 1916 | float initDeltaY; |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1917 | final float finalScale; |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 1918 | float initScale; |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 1919 | final int mode; |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1920 | boolean repeating = false; |
| 1921 | private static final int PREVIEW_DURATION = 300; |
| 1922 | private static final int HINT_DURATION = Workspace.REORDER_TIMEOUT; |
| 1923 | |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1924 | private static final float CHILD_DIVIDEND = 4.0f; |
| 1925 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1926 | public static final int MODE_HINT = 0; |
| 1927 | public static final int MODE_PREVIEW = 1; |
| 1928 | |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 1929 | float animationProgress = 0; |
Sunny Goyal | f0b6db7 | 2018-08-13 16:10:14 -0700 | [diff] [blame] | 1930 | ValueAnimator a; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1931 | |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1932 | public ReorderPreviewAnimation(Reorderable child, int mode, int cellX0, int cellY0, |
| 1933 | int cellX1, int cellY1, int spanX, int spanY) { |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1934 | regionToCenterPoint(cellX0, cellY0, spanX, spanY, mTmpPoint); |
| 1935 | final int x0 = mTmpPoint[0]; |
| 1936 | final int y0 = mTmpPoint[1]; |
| 1937 | regionToCenterPoint(cellX1, cellY1, spanX, spanY, mTmpPoint); |
| 1938 | final int x1 = mTmpPoint[0]; |
| 1939 | final int y1 = mTmpPoint[1]; |
| 1940 | final int dX = x1 - x0; |
| 1941 | final int dY = y1 - y0; |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1942 | |
| 1943 | this.child = child; |
| 1944 | this.mode = mode; |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1945 | finalDeltaX = 0; |
| 1946 | finalDeltaY = 0; |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 1947 | |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 1948 | child.getReorderBounceOffset(mTmpPointF); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1949 | initDeltaX = mTmpPointF.x; |
| 1950 | initDeltaY = mTmpPointF.y; |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 1951 | initScale = child.getReorderBounceScale(); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1952 | finalScale = mChildScale - (CHILD_DIVIDEND / child.getView().getWidth()) * initScale; |
| 1953 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1954 | int dir = mode == MODE_HINT ? -1 : 1; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1955 | if (dX == dY && dX == 0) { |
| 1956 | } else { |
| 1957 | if (dY == 0) { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1958 | finalDeltaX = -dir * Math.signum(dX) * mReorderPreviewAnimationMagnitude; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1959 | } else if (dX == 0) { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1960 | finalDeltaY = -dir * Math.signum(dY) * mReorderPreviewAnimationMagnitude; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1961 | } else { |
| 1962 | double angle = Math.atan( (float) (dY) / dX); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1963 | finalDeltaX = (int) (-dir * Math.signum(dX) |
| 1964 | * Math.abs(Math.cos(angle) * mReorderPreviewAnimationMagnitude)); |
| 1965 | finalDeltaY = (int) (-dir * Math.signum(dY) |
| 1966 | * Math.abs(Math.sin(angle) * mReorderPreviewAnimationMagnitude)); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1967 | } |
| 1968 | } |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1969 | } |
| 1970 | |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1971 | void setInitialAnimationValuesToBaseline() { |
| 1972 | initScale = mChildScale; |
| 1973 | initDeltaX = 0; |
| 1974 | initDeltaY = 0; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1975 | } |
| 1976 | |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 1977 | void animate() { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1978 | boolean noMovement = (finalDeltaX == 0) && (finalDeltaY == 0); |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1979 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1980 | if (mShakeAnimators.containsKey(child)) { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 1981 | ReorderPreviewAnimation oldAnimation = mShakeAnimators.get(child); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1982 | mShakeAnimators.remove(child); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1983 | |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1984 | if (noMovement) { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1985 | // A previous animation for this item exists, and no new animation will exist. |
| 1986 | // Finish the old animation smoothly. |
| 1987 | oldAnimation.finishAnimation(); |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 1988 | return; |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1989 | } else { |
| 1990 | // A previous animation for this item exists, and a new one will exist. Stop |
| 1991 | // the old animation in its tracks, and proceed with the new one. |
| 1992 | oldAnimation.cancel(); |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 1993 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1994 | } |
Jon Miranda | 2126691 | 2016-12-19 14:12:05 -0800 | [diff] [blame] | 1995 | if (noMovement) { |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 1996 | return; |
| 1997 | } |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 1998 | |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 1999 | ValueAnimator va = ObjectAnimator.ofFloat(this, ANIMATION_PROGRESS, 0, 1); |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 2000 | a = va; |
Tony Wickham | 9e0702f | 2015-09-02 14:45:39 -0700 | [diff] [blame] | 2001 | |
| 2002 | // Animations are disabled in power save mode, causing the repeated animation to jump |
| 2003 | // spastically between beginning and end states. Since this looks bad, we don't repeat |
| 2004 | // the animation in power save mode. |
Sunny Goyal | 7368fa4 | 2019-04-22 09:58:14 -0700 | [diff] [blame] | 2005 | if (Utilities.areAnimationsEnabled(getContext())) { |
Tony Wickham | 9e0702f | 2015-09-02 14:45:39 -0700 | [diff] [blame] | 2006 | va.setRepeatMode(ValueAnimator.REVERSE); |
| 2007 | va.setRepeatCount(ValueAnimator.INFINITE); |
| 2008 | } |
| 2009 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2010 | va.setDuration(mode == MODE_HINT ? HINT_DURATION : PREVIEW_DURATION); |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 2011 | va.setStartDelay((int) (Math.random() * 60)); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2012 | va.addListener(new AnimatorListenerAdapter() { |
| 2013 | public void onAnimationRepeat(Animator animation) { |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2014 | // We make sure to end only after a full period |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 2015 | setInitialAnimationValuesToBaseline(); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2016 | repeating = true; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2017 | } |
| 2018 | }); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2019 | mShakeAnimators.put(child, this); |
| 2020 | va.start(); |
| 2021 | } |
| 2022 | |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 2023 | private void setAnimationProgress(float progress) { |
| 2024 | animationProgress = progress; |
| 2025 | float r1 = (mode == MODE_HINT && repeating) ? 1.0f : animationProgress; |
| 2026 | float x = r1 * finalDeltaX + (1 - r1) * initDeltaX; |
| 2027 | float y = r1 * finalDeltaY + (1 - r1) * initDeltaY; |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 2028 | child.setReorderBounceOffset(x, y); |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 2029 | float s = animationProgress * finalScale + (1 - animationProgress) * initScale; |
Adam Cohen | 1d13c0b | 2020-04-21 16:29:12 -0700 | [diff] [blame^] | 2030 | child.setReorderBounceScale(s); |
Sunny Goyal | 849c6a2 | 2018-08-08 16:33:46 -0700 | [diff] [blame] | 2031 | } |
| 2032 | |
Adam Cohen | d024f98 | 2012-05-23 18:26:45 -0700 | [diff] [blame] | 2033 | private void cancel() { |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 2034 | if (a != null) { |
| 2035 | a.cancel(); |
| 2036 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2037 | } |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 2038 | |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 2039 | /** |
| 2040 | * Smoothly returns the item to its baseline position / scale |
| 2041 | */ |
| 2042 | @Thunk void finishAnimation() { |
Adam Cohen | e7587d2 | 2012-05-24 18:50:02 -0700 | [diff] [blame] | 2043 | if (a != null) { |
| 2044 | a.cancel(); |
| 2045 | } |
Brandon Keely | 50e6e56 | 2012-05-08 16:28:49 -0700 | [diff] [blame] | 2046 | |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 2047 | setInitialAnimationValuesToBaseline(); |
| 2048 | ValueAnimator va = ObjectAnimator.ofFloat(this, ANIMATION_PROGRESS, |
| 2049 | animationProgress, 0); |
| 2050 | a = va; |
Sunny Goyal | f0b6db7 | 2018-08-13 16:10:14 -0700 | [diff] [blame] | 2051 | a.setInterpolator(DEACCEL_1_5); |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 2052 | a.setDuration(REORDER_ANIMATION_DURATION); |
Sunny Goyal | 5d2fc32 | 2015-07-06 22:52:49 -0700 | [diff] [blame] | 2053 | a.start(); |
Brandon Keely | 50e6e56 | 2012-05-08 16:28:49 -0700 | [diff] [blame] | 2054 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2055 | } |
| 2056 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2057 | private void completeAndClearReorderPreviewAnimations() { |
| 2058 | for (ReorderPreviewAnimation a: mShakeAnimators.values()) { |
Adam Cohen | d916206 | 2020-03-24 16:35:35 -0700 | [diff] [blame] | 2059 | a.finishAnimation(); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2060 | } |
| 2061 | mShakeAnimators.clear(); |
| 2062 | } |
| 2063 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2064 | private void commitTempPlacement() { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2065 | mTmpOccupied.copyTo(mOccupied); |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2066 | |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 2067 | int screenId = Launcher.cast(mActivity).getWorkspace().getIdForScreen(this); |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2068 | int container = Favorites.CONTAINER_DESKTOP; |
| 2069 | |
Sunny Goyal | c13403c | 2016-11-18 23:44:48 -0800 | [diff] [blame] | 2070 | if (mContainerType == HOTSEAT) { |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2071 | screenId = -1; |
| 2072 | container = Favorites.CONTAINER_HOTSEAT; |
| 2073 | } |
| 2074 | |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2075 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2076 | for (int i = 0; i < childCount; i++) { |
Adam Cohen | ea889a2 | 2012-03-27 16:45:39 -0700 | [diff] [blame] | 2077 | View child = mShortcutsAndWidgets.getChildAt(i); |
| 2078 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 2079 | ItemInfo info = (ItemInfo) child.getTag(); |
Adam Cohen | 2acce88 | 2012-03-28 19:03:19 -0700 | [diff] [blame] | 2080 | // We do a null check here because the item info can be null in the case of the |
| 2081 | // AllApps button in the hotseat. |
| 2082 | if (info != null) { |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2083 | final boolean requiresDbUpdate = (info.cellX != lp.tmpCellX |
| 2084 | || info.cellY != lp.tmpCellY || info.spanX != lp.cellHSpan |
| 2085 | || info.spanY != lp.cellVSpan); |
| 2086 | |
Adam Cohen | 2acce88 | 2012-03-28 19:03:19 -0700 | [diff] [blame] | 2087 | info.cellX = lp.cellX = lp.tmpCellX; |
| 2088 | info.cellY = lp.cellY = lp.tmpCellY; |
Adam Cohen | bebf042 | 2012-04-11 18:06:28 -0700 | [diff] [blame] | 2089 | info.spanX = lp.cellHSpan; |
| 2090 | info.spanY = lp.cellVSpan; |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2091 | |
| 2092 | if (requiresDbUpdate) { |
Sunny Goyal | ab770a1 | 2018-11-14 15:17:26 -0800 | [diff] [blame] | 2093 | Launcher.cast(mActivity).getModelWriter().modifyItemInDatabase(info, container, |
| 2094 | screenId, info.cellX, info.cellY, info.spanX, info.spanY); |
Sunny Goyal | aa8ef11 | 2015-06-12 20:04:41 -0700 | [diff] [blame] | 2095 | } |
Adam Cohen | 2acce88 | 2012-03-28 19:03:19 -0700 | [diff] [blame] | 2096 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2097 | } |
| 2098 | } |
| 2099 | |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 2100 | private void setUseTempCoords(boolean useTempCoords) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2101 | int childCount = mShortcutsAndWidgets.getChildCount(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2102 | for (int i = 0; i < childCount; i++) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2103 | LayoutParams lp = (LayoutParams) mShortcutsAndWidgets.getChildAt(i).getLayoutParams(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2104 | lp.useTmpCoords = useTempCoords; |
| 2105 | } |
| 2106 | } |
| 2107 | |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 2108 | private ItemConfiguration findConfigurationNoShuffle(int pixelX, int pixelY, int minSpanX, int minSpanY, |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2109 | int spanX, int spanY, View dragView, ItemConfiguration solution) { |
| 2110 | int[] result = new int[2]; |
| 2111 | int[] resultSpan = new int[2]; |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 2112 | findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, result, |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2113 | resultSpan); |
| 2114 | if (result[0] >= 0 && result[1] >= 0) { |
| 2115 | copyCurrentStateToSolution(solution, false); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2116 | solution.cellX = result[0]; |
| 2117 | solution.cellY = result[1]; |
| 2118 | solution.spanX = resultSpan[0]; |
| 2119 | solution.spanY = resultSpan[1]; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2120 | solution.isSolution = true; |
| 2121 | } else { |
| 2122 | solution.isSolution = false; |
| 2123 | } |
| 2124 | return solution; |
| 2125 | } |
| 2126 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2127 | /* This seems like it should be obvious and straight-forward, but when the direction vector |
| 2128 | needs to match with the notion of the dragView pushing other views, we have to employ |
| 2129 | a slightly more subtle notion of the direction vector. The question is what two points is |
| 2130 | the vector between? The center of the dragView and its desired destination? Not quite, as |
| 2131 | this doesn't necessarily coincide with the interaction of the dragView and items occupying |
| 2132 | those cells. Instead we use some heuristics to often lock the vector to up, down, left |
| 2133 | or right, which helps make pushing feel right. |
| 2134 | */ |
| 2135 | private void getDirectionVectorForDrop(int dragViewCenterX, int dragViewCenterY, int spanX, |
| 2136 | int spanY, View dragView, int[] resultDirection) { |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 2137 | |
| 2138 | //TODO(adamcohen) b/151776141 use the items visual center for the direction vector |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2139 | int[] targetDestination = new int[2]; |
| 2140 | |
| 2141 | findNearestArea(dragViewCenterX, dragViewCenterY, spanX, spanY, targetDestination); |
| 2142 | Rect dragRect = new Rect(); |
| 2143 | regionToRect(targetDestination[0], targetDestination[1], spanX, spanY, dragRect); |
| 2144 | dragRect.offset(dragViewCenterX - dragRect.centerX(), dragViewCenterY - dragRect.centerY()); |
| 2145 | |
| 2146 | Rect dropRegionRect = new Rect(); |
| 2147 | getViewsIntersectingRegion(targetDestination[0], targetDestination[1], spanX, spanY, |
| 2148 | dragView, dropRegionRect, mIntersectingViews); |
| 2149 | |
| 2150 | int dropRegionSpanX = dropRegionRect.width(); |
| 2151 | int dropRegionSpanY = dropRegionRect.height(); |
| 2152 | |
| 2153 | regionToRect(dropRegionRect.left, dropRegionRect.top, dropRegionRect.width(), |
| 2154 | dropRegionRect.height(), dropRegionRect); |
| 2155 | |
| 2156 | int deltaX = (dropRegionRect.centerX() - dragViewCenterX) / spanX; |
| 2157 | int deltaY = (dropRegionRect.centerY() - dragViewCenterY) / spanY; |
| 2158 | |
| 2159 | if (dropRegionSpanX == mCountX || spanX == mCountX) { |
| 2160 | deltaX = 0; |
| 2161 | } |
| 2162 | if (dropRegionSpanY == mCountY || spanY == mCountY) { |
| 2163 | deltaY = 0; |
| 2164 | } |
| 2165 | |
| 2166 | if (deltaX == 0 && deltaY == 0) { |
| 2167 | // No idea what to do, give a random direction. |
| 2168 | resultDirection[0] = 1; |
| 2169 | resultDirection[1] = 0; |
| 2170 | } else { |
| 2171 | computeDirectionVector(deltaX, deltaY, resultDirection); |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | // For a given cell and span, fetch the set of views intersecting the region. |
| 2176 | private void getViewsIntersectingRegion(int cellX, int cellY, int spanX, int spanY, |
| 2177 | View dragView, Rect boundingRect, ArrayList<View> intersectingViews) { |
| 2178 | if (boundingRect != null) { |
| 2179 | boundingRect.set(cellX, cellY, cellX + spanX, cellY + spanY); |
| 2180 | } |
| 2181 | intersectingViews.clear(); |
| 2182 | Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); |
| 2183 | Rect r1 = new Rect(); |
| 2184 | final int count = mShortcutsAndWidgets.getChildCount(); |
| 2185 | for (int i = 0; i < count; i++) { |
| 2186 | View child = mShortcutsAndWidgets.getChildAt(i); |
| 2187 | if (child == dragView) continue; |
| 2188 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 2189 | r1.set(lp.cellX, lp.cellY, lp.cellX + lp.cellHSpan, lp.cellY + lp.cellVSpan); |
| 2190 | if (Rect.intersects(r0, r1)) { |
| 2191 | mIntersectingViews.add(child); |
| 2192 | if (boundingRect != null) { |
| 2193 | boundingRect.union(r1); |
| 2194 | } |
| 2195 | } |
| 2196 | } |
| 2197 | } |
| 2198 | |
| 2199 | boolean isNearestDropLocationOccupied(int pixelX, int pixelY, int spanX, int spanY, |
| 2200 | View dragView, int[] result) { |
| 2201 | result = findNearestArea(pixelX, pixelY, spanX, spanY, result); |
| 2202 | getViewsIntersectingRegion(result[0], result[1], spanX, spanY, dragView, null, |
| 2203 | mIntersectingViews); |
| 2204 | return !mIntersectingViews.isEmpty(); |
| 2205 | } |
| 2206 | |
| 2207 | void revertTempState() { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2208 | completeAndClearReorderPreviewAnimations(); |
| 2209 | if (isItemPlacementDirty() && !DESTRUCTIVE_REORDER) { |
| 2210 | final int count = mShortcutsAndWidgets.getChildCount(); |
| 2211 | for (int i = 0; i < count; i++) { |
| 2212 | View child = mShortcutsAndWidgets.getChildAt(i); |
| 2213 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
| 2214 | if (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.cellY) { |
| 2215 | lp.tmpCellX = lp.cellX; |
| 2216 | lp.tmpCellY = lp.cellY; |
| 2217 | animateChildToPosition(child, lp.cellX, lp.cellY, REORDER_ANIMATION_DURATION, |
| 2218 | 0, false, false); |
| 2219 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2220 | } |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2221 | setItemPlacementDirty(false); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2222 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2223 | } |
| 2224 | |
Adam Cohen | bebf042 | 2012-04-11 18:06:28 -0700 | [diff] [blame] | 2225 | boolean createAreaForResize(int cellX, int cellY, int spanX, int spanY, |
| 2226 | View dragView, int[] direction, boolean commit) { |
| 2227 | int[] pixelXY = new int[2]; |
| 2228 | regionToCenterPoint(cellX, cellY, spanX, spanY, pixelXY); |
| 2229 | |
| 2230 | // First we determine if things have moved enough to cause a different layout |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2231 | ItemConfiguration swapSolution = findReorderSolution(pixelXY[0], pixelXY[1], spanX, spanY, |
Adam Cohen | bebf042 | 2012-04-11 18:06:28 -0700 | [diff] [blame] | 2232 | spanX, spanY, direction, dragView, true, new ItemConfiguration()); |
| 2233 | |
| 2234 | setUseTempCoords(true); |
| 2235 | if (swapSolution != null && swapSolution.isSolution) { |
| 2236 | // If we're just testing for a possible location (MODE_ACCEPT_DROP), we don't bother |
| 2237 | // committing anything or animating anything as we just want to determine if a solution |
| 2238 | // exists |
| 2239 | copySolutionToTempState(swapSolution, dragView); |
| 2240 | setItemPlacementDirty(true); |
| 2241 | animateItemsToSolution(swapSolution, dragView, commit); |
| 2242 | |
| 2243 | if (commit) { |
| 2244 | commitTempPlacement(); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2245 | completeAndClearReorderPreviewAnimations(); |
Adam Cohen | bebf042 | 2012-04-11 18:06:28 -0700 | [diff] [blame] | 2246 | setItemPlacementDirty(false); |
| 2247 | } else { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2248 | beginOrAdjustReorderPreviewAnimations(swapSolution, dragView, |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 2249 | ReorderPreviewAnimation.MODE_PREVIEW); |
Adam Cohen | bebf042 | 2012-04-11 18:06:28 -0700 | [diff] [blame] | 2250 | } |
| 2251 | mShortcutsAndWidgets.requestLayout(); |
| 2252 | } |
| 2253 | return swapSolution.isSolution; |
| 2254 | } |
| 2255 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2256 | int[] performReorder(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2257 | View dragView, int[] result, int resultSpan[], int mode) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2258 | // First we determine if things have moved enough to cause a different layout |
Adam Cohen | 47a876d | 2012-03-19 13:21:41 -0700 | [diff] [blame] | 2259 | result = findNearestArea(pixelX, pixelY, spanX, spanY, result); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2260 | |
| 2261 | if (resultSpan == null) { |
| 2262 | resultSpan = new int[2]; |
| 2263 | } |
| 2264 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2265 | // When we are checking drop validity or actually dropping, we don't recompute the |
| 2266 | // direction vector, since we want the solution to match the preview, and it's possible |
| 2267 | // that the exact position of the item has changed to result in a new reordering outcome. |
Adam Cohen | b209e63 | 2012-03-27 17:09:36 -0700 | [diff] [blame] | 2268 | if ((mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL || mode == MODE_ACCEPT_DROP) |
| 2269 | && mPreviousReorderDirection[0] != INVALID_DIRECTION) { |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2270 | mDirectionVector[0] = mPreviousReorderDirection[0]; |
| 2271 | mDirectionVector[1] = mPreviousReorderDirection[1]; |
| 2272 | // We reset this vector after drop |
Adam Cohen | b209e63 | 2012-03-27 17:09:36 -0700 | [diff] [blame] | 2273 | if (mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL) { |
| 2274 | mPreviousReorderDirection[0] = INVALID_DIRECTION; |
| 2275 | mPreviousReorderDirection[1] = INVALID_DIRECTION; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2276 | } |
| 2277 | } else { |
| 2278 | getDirectionVectorForDrop(pixelX, pixelY, spanX, spanY, dragView, mDirectionVector); |
| 2279 | mPreviousReorderDirection[0] = mDirectionVector[0]; |
| 2280 | mPreviousReorderDirection[1] = mDirectionVector[1]; |
| 2281 | } |
| 2282 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2283 | // Find a solution involving pushing / displacing any items in the way |
| 2284 | ItemConfiguration swapSolution = findReorderSolution(pixelX, pixelY, minSpanX, minSpanY, |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2285 | spanX, spanY, mDirectionVector, dragView, true, new ItemConfiguration()); |
| 2286 | |
| 2287 | // We attempt the approach which doesn't shuffle views at all |
| 2288 | ItemConfiguration noShuffleSolution = findConfigurationNoShuffle(pixelX, pixelY, minSpanX, |
| 2289 | minSpanY, spanX, spanY, dragView, new ItemConfiguration()); |
| 2290 | |
| 2291 | ItemConfiguration finalSolution = null; |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2292 | |
| 2293 | // If the reorder solution requires resizing (shrinking) the item being dropped, we instead |
| 2294 | // favor a solution in which the item is not resized, but |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2295 | if (swapSolution.isSolution && swapSolution.area() >= noShuffleSolution.area()) { |
| 2296 | finalSolution = swapSolution; |
| 2297 | } else if (noShuffleSolution.isSolution) { |
| 2298 | finalSolution = noShuffleSolution; |
| 2299 | } |
| 2300 | |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2301 | if (mode == MODE_SHOW_REORDER_HINT) { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2302 | if (finalSolution != null) { |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 2303 | beginOrAdjustReorderPreviewAnimations(finalSolution, dragView, |
Adam Cohen | fe69287 | 2013-12-11 14:47:23 -0800 | [diff] [blame] | 2304 | ReorderPreviewAnimation.MODE_HINT); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2305 | result[0] = finalSolution.cellX; |
| 2306 | result[1] = finalSolution.cellY; |
| 2307 | resultSpan[0] = finalSolution.spanX; |
| 2308 | resultSpan[1] = finalSolution.spanY; |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2309 | } else { |
| 2310 | result[0] = result[1] = resultSpan[0] = resultSpan[1] = -1; |
| 2311 | } |
| 2312 | return result; |
| 2313 | } |
| 2314 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2315 | boolean foundSolution = true; |
| 2316 | if (!DESTRUCTIVE_REORDER) { |
| 2317 | setUseTempCoords(true); |
| 2318 | } |
| 2319 | |
| 2320 | if (finalSolution != null) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2321 | result[0] = finalSolution.cellX; |
| 2322 | result[1] = finalSolution.cellY; |
| 2323 | resultSpan[0] = finalSolution.spanX; |
| 2324 | resultSpan[1] = finalSolution.spanY; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2325 | |
| 2326 | // If we're just testing for a possible location (MODE_ACCEPT_DROP), we don't bother |
| 2327 | // committing anything or animating anything as we just want to determine if a solution |
| 2328 | // exists |
| 2329 | if (mode == MODE_DRAG_OVER || mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL) { |
| 2330 | if (!DESTRUCTIVE_REORDER) { |
| 2331 | copySolutionToTempState(finalSolution, dragView); |
| 2332 | } |
| 2333 | setItemPlacementDirty(true); |
| 2334 | animateItemsToSolution(finalSolution, dragView, mode == MODE_ON_DROP); |
| 2335 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2336 | if (!DESTRUCTIVE_REORDER && |
| 2337 | (mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL)) { |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2338 | commitTempPlacement(); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2339 | completeAndClearReorderPreviewAnimations(); |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2340 | setItemPlacementDirty(false); |
| 2341 | } else { |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2342 | beginOrAdjustReorderPreviewAnimations(finalSolution, dragView, |
Adam Cohen | 6508699 | 2020-02-19 08:40:49 -0800 | [diff] [blame] | 2343 | ReorderPreviewAnimation.MODE_PREVIEW); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2344 | } |
| 2345 | } |
| 2346 | } else { |
| 2347 | foundSolution = false; |
| 2348 | result[0] = result[1] = resultSpan[0] = resultSpan[1] = -1; |
| 2349 | } |
| 2350 | |
| 2351 | if ((mode == MODE_ON_DROP || !foundSolution) && !DESTRUCTIVE_REORDER) { |
| 2352 | setUseTempCoords(false); |
| 2353 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2354 | |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2355 | mShortcutsAndWidgets.requestLayout(); |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2356 | return result; |
| 2357 | } |
| 2358 | |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2359 | void setItemPlacementDirty(boolean dirty) { |
| 2360 | mItemPlacementDirty = dirty; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2361 | } |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2362 | boolean isItemPlacementDirty() { |
| 2363 | return mItemPlacementDirty; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2364 | } |
| 2365 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2366 | private static class ItemConfiguration extends CellAndSpan { |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 2367 | final ArrayMap<View, CellAndSpan> map = new ArrayMap<>(); |
| 2368 | private final ArrayMap<View, CellAndSpan> savedMap = new ArrayMap<>(); |
| 2369 | final ArrayList<View> sortedViews = new ArrayList<>(); |
Adam Cohen | fa3c58f | 2013-12-06 16:10:55 -0800 | [diff] [blame] | 2370 | ArrayList<View> intersectingViews; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2371 | boolean isSolution = false; |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2372 | |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 2373 | void save() { |
| 2374 | // Copy current state into savedMap |
| 2375 | for (View v: map.keySet()) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2376 | savedMap.get(v).copyFrom(map.get(v)); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 2377 | } |
| 2378 | } |
| 2379 | |
| 2380 | void restore() { |
| 2381 | // Restore current state from savedMap |
| 2382 | for (View v: savedMap.keySet()) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2383 | map.get(v).copyFrom(savedMap.get(v)); |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 2384 | } |
| 2385 | } |
| 2386 | |
| 2387 | void add(View v, CellAndSpan cs) { |
| 2388 | map.put(v, cs); |
| 2389 | savedMap.put(v, new CellAndSpan()); |
| 2390 | sortedViews.add(v); |
| 2391 | } |
| 2392 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2393 | int area() { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2394 | return spanX * spanY; |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 2395 | } |
| 2396 | |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2397 | void getBoundingRectForViews(ArrayList<View> views, Rect outRect) { |
| 2398 | boolean first = true; |
| 2399 | for (View v: views) { |
| 2400 | CellAndSpan c = map.get(v); |
| 2401 | if (first) { |
| 2402 | outRect.set(c.cellX, c.cellY, c.cellX + c.spanX, c.cellY + c.spanY); |
| 2403 | first = false; |
| 2404 | } else { |
| 2405 | outRect.union(c.cellX, c.cellY, c.cellX + c.spanX, c.cellY + c.spanY); |
| 2406 | } |
| 2407 | } |
Adam Cohen | f3900c2 | 2012-11-16 18:28:11 -0800 | [diff] [blame] | 2408 | } |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2409 | } |
| 2410 | |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 2411 | /** |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 2412 | * Find a starting cell position that will fit the given bounds nearest the requested |
| 2413 | * cell location. Uses Euclidean distance to score multiple vacant areas. |
| 2414 | * |
| 2415 | * @param pixelX The X location at which you want to search for a vacant area. |
| 2416 | * @param pixelY The Y location at which you want to search for a vacant area. |
| 2417 | * @param spanX Horizontal span of the object. |
| 2418 | * @param spanY Vertical span of the object. |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 2419 | * @param result Previously returned value to possibly recycle. |
| 2420 | * @return The X, Y cell of a vacant area that can contain this object, |
| 2421 | * nearest the requested location. |
| 2422 | */ |
Adam Cohen | f9c184a | 2016-01-15 16:47:43 -0800 | [diff] [blame] | 2423 | public int[] findNearestArea(int pixelX, int pixelY, int spanX, int spanY, int[] result) { |
Sunny Goyal | f7a29e8 | 2015-04-24 15:20:43 -0700 | [diff] [blame] | 2424 | return findNearestArea(pixelX, pixelY, spanX, spanY, spanX, spanY, false, result, null); |
Adam Cohen | df03538 | 2011-04-11 17:22:04 -0700 | [diff] [blame] | 2425 | } |
| 2426 | |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2427 | boolean existsEmptyCell() { |
| 2428 | return findCellForSpan(null, 1, 1); |
| 2429 | } |
| 2430 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2431 | /** |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2432 | * Finds the upper-left coordinate of the first rectangle in the grid that can |
| 2433 | * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, |
| 2434 | * then this method will only return coordinates for rectangles that contain the cell |
| 2435 | * (intersectX, intersectY) |
| 2436 | * |
| 2437 | * @param cellXY The array that will contain the position of a vacant cell if such a cell |
| 2438 | * can be found. |
| 2439 | * @param spanX The horizontal span of the cell we want to find. |
| 2440 | * @param spanY The vertical span of the cell we want to find. |
| 2441 | * |
| 2442 | * @return True if a vacant cell of the specified dimension was found, false otherwise. |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 2443 | */ |
Hyunyoung Song | 3f47144 | 2015-04-08 19:01:34 -0700 | [diff] [blame] | 2444 | public boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2445 | if (cellXY == null) { |
| 2446 | cellXY = new int[2]; |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2447 | } |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2448 | return mOccupied.findVacantCell(cellXY, spanX, spanY); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2449 | } |
| 2450 | |
| 2451 | /** |
Winson Chung | c07918d | 2011-07-01 15:35:26 -0700 | [diff] [blame] | 2452 | * A drag event has begun over this layout. |
| 2453 | * It may have begun over this layout (in which case onDragChild is called first), |
| 2454 | * or it may have begun on another layout. |
| 2455 | */ |
| 2456 | void onDragEnter() { |
Winson Chung | c07918d | 2011-07-01 15:35:26 -0700 | [diff] [blame] | 2457 | mDragging = true; |
| 2458 | } |
| 2459 | |
| 2460 | /** |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2461 | * Called when drag has left this CellLayout or has been completed (successfully or not) |
| 2462 | */ |
| 2463 | void onDragExit() { |
Joe Onorato | 4be866d | 2010-10-10 11:26:02 -0700 | [diff] [blame] | 2464 | // This can actually be called when we aren't in a drag, e.g. when adding a new |
| 2465 | // item to this layout via the customize drawer. |
| 2466 | // Guard against that case. |
| 2467 | if (mDragging) { |
| 2468 | mDragging = false; |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 2469 | } |
Patrick Dubroy | 08ae2ec | 2010-10-14 23:54:22 -0700 | [diff] [blame] | 2470 | |
| 2471 | // Invalidate the drag data |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 2472 | mDragCell[0] = mDragCell[1] = -1; |
Patrick Dubroy | 08ae2ec | 2010-10-14 23:54:22 -0700 | [diff] [blame] | 2473 | mDragOutlineAnims[mDragOutlineCurrent].animateOut(); |
| 2474 | mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; |
Adam Cohen | 19f3792 | 2012-03-21 11:59:11 -0700 | [diff] [blame] | 2475 | revertTempState(); |
Michael Jurka | 33945b2 | 2010-12-21 18:19:38 -0800 | [diff] [blame] | 2476 | setIsDragOverlapping(false); |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 2477 | } |
| 2478 | |
| 2479 | /** |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2480 | * Mark a child as having been dropped. |
Patrick Dubroy | de7658b | 2010-09-27 11:15:43 -0700 | [diff] [blame] | 2481 | * At the beginning of the drag operation, the child may have been on another |
Patrick Dubroy | ce34a97 | 2010-10-19 10:34:32 -0700 | [diff] [blame] | 2482 | * screen, but it is re-parented before this method is called. |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2483 | * |
| 2484 | * @param child The child that is being dropped |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2485 | */ |
Adam Cohen | 716b51e | 2011-06-30 12:09:54 -0700 | [diff] [blame] | 2486 | void onDropChild(View child) { |
Romain Guy | d94533d | 2009-08-17 10:01:15 -0700 | [diff] [blame] | 2487 | if (child != null) { |
| 2488 | LayoutParams lp = (LayoutParams) child.getLayoutParams(); |
Romain Guy | 84f296c | 2009-11-04 15:00:44 -0800 | [diff] [blame] | 2489 | lp.dropped = true; |
Romain Guy | d94533d | 2009-08-17 10:01:15 -0700 | [diff] [blame] | 2490 | child.requestLayout(); |
Tony Wickham | 1cdb6d0 | 2015-09-17 11:08:27 -0700 | [diff] [blame] | 2491 | markCellsAsOccupiedForView(child); |
Romain Guy | d94533d | 2009-08-17 10:01:15 -0700 | [diff] [blame] | 2492 | } |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2493 | } |
| 2494 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2495 | /** |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2496 | * Computes a bounding rectangle for a range of cells |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2497 | * |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2498 | * @param cellX X coordinate of upper left corner expressed as a cell position |
| 2499 | * @param cellY Y coordinate of upper left corner expressed as a cell position |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2500 | * @param cellHSpan Width in cells |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2501 | * @param cellVSpan Height in cells |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 2502 | * @param resultRect Rect into which to put the results |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2503 | */ |
Adam Cohen | d41fbf5 | 2012-02-16 23:53:59 -0800 | [diff] [blame] | 2504 | public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, Rect resultRect) { |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2505 | final int cellWidth = mCellWidth; |
| 2506 | final int cellHeight = mCellHeight; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2507 | |
Winson Chung | 4b825dcd | 2011-06-19 12:41:22 -0700 | [diff] [blame] | 2508 | final int hStartPadding = getPaddingLeft(); |
| 2509 | final int vStartPadding = getPaddingTop(); |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2510 | |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 2511 | int width = cellHSpan * cellWidth; |
| 2512 | int height = cellVSpan * cellHeight; |
| 2513 | int x = hStartPadding + cellX * cellWidth; |
| 2514 | int y = vStartPadding + cellY * cellHeight; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2515 | |
Patrick Dubroy | 6569f2c | 2010-07-12 14:25:18 -0700 | [diff] [blame] | 2516 | resultRect.set(x, y, x + width, y + height); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2517 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2518 | |
Adam Cohen | d4844c3 | 2011-02-18 19:25:06 -0800 | [diff] [blame] | 2519 | public void markCellsAsOccupiedForView(View view) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2520 | if (view == null || view.getParent() != mShortcutsAndWidgets) return; |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2521 | LayoutParams lp = (LayoutParams) view.getLayoutParams(); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2522 | mOccupied.markCells(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2523 | } |
| 2524 | |
Adam Cohen | d4844c3 | 2011-02-18 19:25:06 -0800 | [diff] [blame] | 2525 | public void markCellsAsUnoccupiedForView(View view) { |
Michael Jurka | a52570f | 2012-03-20 03:18:20 -0700 | [diff] [blame] | 2526 | if (view == null || view.getParent() != mShortcutsAndWidgets) return; |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2527 | LayoutParams lp = (LayoutParams) view.getLayoutParams(); |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2528 | mOccupied.markCells(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2529 | } |
| 2530 | |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 2531 | public int getDesiredWidth() { |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 2532 | return getPaddingLeft() + getPaddingRight() + (mCountX * mCellWidth); |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 2533 | } |
| 2534 | |
| 2535 | public int getDesiredHeight() { |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 2536 | return getPaddingTop() + getPaddingBottom() + (mCountY * mCellHeight); |
Adam Cohen | 2801caf | 2011-05-13 20:57:39 -0700 | [diff] [blame] | 2537 | } |
| 2538 | |
Michael Jurka | 66d7217 | 2011-04-12 16:29:25 -0700 | [diff] [blame] | 2539 | public boolean isOccupied(int x, int y) { |
| 2540 | if (x < mCountX && y < mCountY) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2541 | return mOccupied.cells[x][y]; |
Michael Jurka | 66d7217 | 2011-04-12 16:29:25 -0700 | [diff] [blame] | 2542 | } else { |
| 2543 | throw new RuntimeException("Position exceeds the bound of this CellLayout"); |
| 2544 | } |
| 2545 | } |
| 2546 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2547 | @Override |
| 2548 | public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { |
| 2549 | return new CellLayout.LayoutParams(getContext(), attrs); |
| 2550 | } |
| 2551 | |
| 2552 | @Override |
| 2553 | protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { |
| 2554 | return p instanceof CellLayout.LayoutParams; |
| 2555 | } |
| 2556 | |
| 2557 | @Override |
| 2558 | protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { |
| 2559 | return new CellLayout.LayoutParams(p); |
| 2560 | } |
| 2561 | |
| 2562 | public static class LayoutParams extends ViewGroup.MarginLayoutParams { |
| 2563 | /** |
| 2564 | * Horizontal location of the item in the grid. |
| 2565 | */ |
| 2566 | @ViewDebug.ExportedProperty |
| 2567 | public int cellX; |
| 2568 | |
| 2569 | /** |
| 2570 | * Vertical location of the item in the grid. |
| 2571 | */ |
| 2572 | @ViewDebug.ExportedProperty |
| 2573 | public int cellY; |
| 2574 | |
| 2575 | /** |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2576 | * Temporary horizontal location of the item in the grid during reorder |
| 2577 | */ |
| 2578 | public int tmpCellX; |
| 2579 | |
| 2580 | /** |
| 2581 | * Temporary vertical location of the item in the grid during reorder |
| 2582 | */ |
| 2583 | public int tmpCellY; |
| 2584 | |
| 2585 | /** |
| 2586 | * Indicates that the temporary coordinates should be used to layout the items |
| 2587 | */ |
| 2588 | public boolean useTmpCoords; |
| 2589 | |
| 2590 | /** |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2591 | * Number of cells spanned horizontally by the item. |
| 2592 | */ |
| 2593 | @ViewDebug.ExportedProperty |
| 2594 | public int cellHSpan; |
| 2595 | |
| 2596 | /** |
| 2597 | * Number of cells spanned vertically by the item. |
| 2598 | */ |
| 2599 | @ViewDebug.ExportedProperty |
| 2600 | public int cellVSpan; |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2601 | |
Adam Cohen | 1b607ed | 2011-03-03 17:26:50 -0800 | [diff] [blame] | 2602 | /** |
| 2603 | * Indicates whether the item will set its x, y, width and height parameters freely, |
| 2604 | * or whether these will be computed based on cellX, cellY, cellHSpan and cellVSpan. |
| 2605 | */ |
Adam Cohen | d4844c3 | 2011-02-18 19:25:06 -0800 | [diff] [blame] | 2606 | public boolean isLockedToGrid = true; |
| 2607 | |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2608 | /** |
| 2609 | * Indicates whether this item can be reordered. Always true except in the case of the |
Sunny Goyal | da4fe1a | 2016-05-26 16:05:17 -0700 | [diff] [blame] | 2610 | * the AllApps button and QSB place holder. |
Adam Cohen | 482ed82 | 2012-03-02 14:15:13 -0800 | [diff] [blame] | 2611 | */ |
| 2612 | public boolean canReorder = true; |
| 2613 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2614 | // X coordinate of the view in the layout. |
| 2615 | @ViewDebug.ExportedProperty |
Vadim Tryshev | fedca43 | 2015-08-19 17:55:02 -0700 | [diff] [blame] | 2616 | public int x; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2617 | // Y coordinate of the view in the layout. |
| 2618 | @ViewDebug.ExportedProperty |
Vadim Tryshev | fedca43 | 2015-08-19 17:55:02 -0700 | [diff] [blame] | 2619 | public int y; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2620 | |
Romain Guy | 84f296c | 2009-11-04 15:00:44 -0800 | [diff] [blame] | 2621 | boolean dropped; |
Romain Guy | fcb9e71 | 2009-10-02 16:06:52 -0700 | [diff] [blame] | 2622 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2623 | public LayoutParams(Context c, AttributeSet attrs) { |
| 2624 | super(c, attrs); |
| 2625 | cellHSpan = 1; |
| 2626 | cellVSpan = 1; |
| 2627 | } |
| 2628 | |
| 2629 | public LayoutParams(ViewGroup.LayoutParams source) { |
| 2630 | super(source); |
| 2631 | cellHSpan = 1; |
| 2632 | cellVSpan = 1; |
| 2633 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2634 | |
| 2635 | public LayoutParams(LayoutParams source) { |
| 2636 | super(source); |
| 2637 | this.cellX = source.cellX; |
| 2638 | this.cellY = source.cellY; |
| 2639 | this.cellHSpan = source.cellHSpan; |
| 2640 | this.cellVSpan = source.cellVSpan; |
| 2641 | } |
| 2642 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2643 | public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { |
Romain Guy | 8f19cdd | 2010-01-08 15:07:00 -0800 | [diff] [blame] | 2644 | super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2645 | this.cellX = cellX; |
| 2646 | this.cellY = cellY; |
| 2647 | this.cellHSpan = cellHSpan; |
| 2648 | this.cellVSpan = cellVSpan; |
| 2649 | } |
| 2650 | |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 2651 | public void setup(int cellWidth, int cellHeight, boolean invertHorizontally, int colCount) { |
Jon Miranda | 7ae64ff | 2016-11-21 16:18:46 -0800 | [diff] [blame] | 2652 | setup(cellWidth, cellHeight, invertHorizontally, colCount, 1.0f, 1.0f); |
| 2653 | } |
| 2654 | |
| 2655 | /** |
| 2656 | * Use this method, as opposed to {@link #setup(int, int, boolean, int)}, if the view needs |
| 2657 | * to be scaled. |
| 2658 | * |
| 2659 | * ie. In multi-window mode, we setup widgets so that they are measured and laid out |
| 2660 | * using their full/invariant device profile sizes. |
| 2661 | */ |
| 2662 | public void setup(int cellWidth, int cellHeight, boolean invertHorizontally, int colCount, |
| 2663 | float cellScaleX, float cellScaleY) { |
Adam Cohen | d4844c3 | 2011-02-18 19:25:06 -0800 | [diff] [blame] | 2664 | if (isLockedToGrid) { |
| 2665 | final int myCellHSpan = cellHSpan; |
| 2666 | final int myCellVSpan = cellVSpan; |
Adam Cohen | 2374abf | 2013-04-16 14:56:57 -0700 | [diff] [blame] | 2667 | int myCellX = useTmpCoords ? tmpCellX : cellX; |
| 2668 | int myCellY = useTmpCoords ? tmpCellY : cellY; |
| 2669 | |
| 2670 | if (invertHorizontally) { |
| 2671 | myCellX = colCount - myCellX - cellHSpan; |
| 2672 | } |
Adam Cohen | 1b607ed | 2011-03-03 17:26:50 -0800 | [diff] [blame] | 2673 | |
Jon Miranda | 7ae64ff | 2016-11-21 16:18:46 -0800 | [diff] [blame] | 2674 | width = (int) (myCellHSpan * cellWidth / cellScaleX - leftMargin - rightMargin); |
| 2675 | height = (int) (myCellVSpan * cellHeight / cellScaleY - topMargin - bottomMargin); |
Sunny Goyal | aa8a871 | 2016-11-20 15:26:01 +0530 | [diff] [blame] | 2676 | x = (myCellX * cellWidth + leftMargin); |
| 2677 | y = (myCellY * cellHeight + topMargin); |
Adam Cohen | d4844c3 | 2011-02-18 19:25:06 -0800 | [diff] [blame] | 2678 | } |
| 2679 | } |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2680 | |
Sunny Goyal | 11a5074 | 2019-08-07 09:24:26 -0700 | [diff] [blame] | 2681 | /** |
| 2682 | * Sets the position to the provided point |
| 2683 | */ |
| 2684 | public void setXY(Point point) { |
| 2685 | cellX = point.x; |
| 2686 | cellY = point.y; |
| 2687 | } |
| 2688 | |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2689 | public String toString() { |
| 2690 | return "(" + this.cellX + ", " + this.cellY + ")"; |
| 2691 | } |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2692 | } |
| 2693 | |
Michael Jurka | 0280c3b | 2010-09-17 15:00:07 -0700 | [diff] [blame] | 2694 | // This class stores info for two purposes: |
| 2695 | // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, |
| 2696 | // its spanX, spanY, and the screen it is on |
| 2697 | // 2. When long clicking on an empty cell in a CellLayout, we save information about the |
| 2698 | // cellX and cellY coordinates and which page was clicked. We then set this as a tag on |
| 2699 | // the CellLayout that was long clicked |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2700 | public static final class CellInfo extends CellAndSpan { |
Rajeev Kumar | 9962dbe | 2017-06-12 12:16:20 -0700 | [diff] [blame] | 2701 | public final View cell; |
Sunny Goyal | efb7e84 | 2018-10-04 15:11:00 -0700 | [diff] [blame] | 2702 | final int screenId; |
| 2703 | final int container; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2704 | |
Sunny Goyal | 83a8f04 | 2015-05-19 12:52:12 -0700 | [diff] [blame] | 2705 | public CellInfo(View v, ItemInfo info) { |
Adam Cohen | e0aaa0d | 2014-05-12 12:44:22 -0700 | [diff] [blame] | 2706 | cellX = info.cellX; |
| 2707 | cellY = info.cellY; |
| 2708 | spanX = info.spanX; |
| 2709 | spanY = info.spanY; |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2710 | cell = v; |
Adam Cohen | e0aaa0d | 2014-05-12 12:44:22 -0700 | [diff] [blame] | 2711 | screenId = info.screenId; |
| 2712 | container = info.container; |
| 2713 | } |
| 2714 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2715 | @Override |
| 2716 | public String toString() { |
Winson Chung | aafa03c | 2010-06-11 17:34:16 -0700 | [diff] [blame] | 2717 | return "Cell[view=" + (cell == null ? "null" : cell.getClass()) |
| 2718 | + ", x=" + cellX + ", y=" + cellY + "]"; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2719 | } |
| 2720 | } |
Michael Jurka | d771c96 | 2011-08-09 15:00:48 -0700 | [diff] [blame] | 2721 | |
Tony Wickham | 8693061 | 2015-09-09 13:50:40 -0700 | [diff] [blame] | 2722 | /** |
Samuel Fufa | 1e2d004 | 2019-11-18 17:12:46 -0800 | [diff] [blame] | 2723 | * A Delegated cell Drawing for drawing on CellLayout |
| 2724 | */ |
| 2725 | public abstract static class DelegatedCellDrawing { |
| 2726 | public int mDelegateCellX; |
| 2727 | public int mDelegateCellY; |
| 2728 | |
| 2729 | /** |
| 2730 | * Draw under CellLayout |
| 2731 | */ |
| 2732 | public abstract void drawUnderItem(Canvas canvas); |
| 2733 | |
| 2734 | /** |
| 2735 | * Draw over CellLayout |
| 2736 | */ |
| 2737 | public abstract void drawOverItem(Canvas canvas); |
| 2738 | } |
| 2739 | |
| 2740 | /** |
Tony Wickham | 8693061 | 2015-09-09 13:50:40 -0700 | [diff] [blame] | 2741 | * Returns whether an item can be placed in this CellLayout (after rearranging and/or resizing |
| 2742 | * if necessary). |
| 2743 | */ |
| 2744 | public boolean hasReorderSolution(ItemInfo itemInfo) { |
| 2745 | int[] cellPoint = new int[2]; |
| 2746 | // Check for a solution starting at every cell. |
| 2747 | for (int cellX = 0; cellX < getCountX(); cellX++) { |
| 2748 | for (int cellY = 0; cellY < getCountY(); cellY++) { |
| 2749 | cellToPoint(cellX, cellY, cellPoint); |
| 2750 | if (findReorderSolution(cellPoint[0], cellPoint[1], itemInfo.minSpanX, |
| 2751 | itemInfo.minSpanY, itemInfo.spanX, itemInfo.spanY, mDirectionVector, null, |
| 2752 | true, new ItemConfiguration()).isSolution) { |
| 2753 | return true; |
| 2754 | } |
| 2755 | } |
| 2756 | } |
| 2757 | return false; |
| 2758 | } |
| 2759 | |
Samuel Fufa | a421143 | 2020-02-25 18:47:54 -0800 | [diff] [blame] | 2760 | /** |
| 2761 | * Finds solution to accept hotseat migration to cell layout. commits solution if commitConfig |
| 2762 | */ |
| 2763 | public boolean makeSpaceForHotseatMigration(boolean commitConfig) { |
Samuel Fufa | a421143 | 2020-02-25 18:47:54 -0800 | [diff] [blame] | 2764 | int[] cellPoint = new int[2]; |
| 2765 | int[] directionVector = new int[]{0, -1}; |
| 2766 | cellToPoint(0, mCountY, cellPoint); |
| 2767 | ItemConfiguration configuration = new ItemConfiguration(); |
| 2768 | if (findReorderSolution(cellPoint[0], cellPoint[1], mCountX, 1, mCountX, 1, |
| 2769 | directionVector, null, false, configuration).isSolution) { |
| 2770 | if (commitConfig) { |
| 2771 | copySolutionToTempState(configuration, null); |
| 2772 | commitTempPlacement(); |
Samuel Fufa | 82bbdac | 2020-03-09 18:24:47 -0700 | [diff] [blame] | 2773 | // undo marking cells occupied since there is actually nothing being placed yet. |
| 2774 | mOccupied.markCells(0, mCountY - 1, mCountX, 1, false); |
Samuel Fufa | a421143 | 2020-02-25 18:47:54 -0800 | [diff] [blame] | 2775 | } |
| 2776 | return true; |
| 2777 | } |
| 2778 | return false; |
| 2779 | } |
| 2780 | |
Samuel Fufa | 82bbdac | 2020-03-09 18:24:47 -0700 | [diff] [blame] | 2781 | /** |
| 2782 | * returns a copy of cell layout's grid occupancy |
| 2783 | */ |
| 2784 | public GridOccupancy cloneGridOccupancy() { |
| 2785 | GridOccupancy occupancy = new GridOccupancy(mCountX, mCountY); |
| 2786 | mOccupied.copyTo(occupancy); |
| 2787 | return occupancy; |
| 2788 | } |
| 2789 | |
Sunny Goyal | 9ca9c13 | 2015-04-29 14:57:22 -0700 | [diff] [blame] | 2790 | public boolean isRegionVacant(int x, int y, int spanX, int spanY) { |
Sunny Goyal | ff4ba2d | 2016-04-02 14:12:34 -0700 | [diff] [blame] | 2791 | return mOccupied.isRegionVacant(x, y, spanX, spanY); |
Sunny Goyal | 9ca9c13 | 2015-04-29 14:57:22 -0700 | [diff] [blame] | 2792 | } |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 2793 | } |