Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | |
| 17 | package com.android.systemui.recents.views; |
| 18 | |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 19 | import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; |
| 20 | import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| 21 | import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| 22 | |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 23 | import android.animation.ObjectAnimator; |
Winson Chung | bf5dbf1 | 2014-09-16 00:58:25 +0200 | [diff] [blame] | 24 | import android.animation.ValueAnimator; |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 25 | import android.annotation.IntDef; |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 26 | import android.content.ComponentName; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 27 | import android.content.Context; |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 28 | import android.content.res.Resources; |
Jorim Jaggi | 900fb48 | 2015-06-02 15:07:33 -0700 | [diff] [blame] | 29 | import android.graphics.Canvas; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 30 | import android.graphics.Rect; |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 31 | import android.graphics.drawable.Drawable; |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 32 | import android.graphics.drawable.GradientDrawable; |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 33 | import android.os.Bundle; |
Winson Chung | 4ab4d83 | 2015-12-11 10:25:46 -0500 | [diff] [blame] | 34 | import android.os.Parcelable; |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 35 | import android.provider.Settings; |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 36 | import android.util.ArrayMap; |
| 37 | import android.util.ArraySet; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 38 | import android.util.MutableBoolean; |
Winson Chung | 37c8d8e | 2014-03-24 14:53:07 -0700 | [diff] [blame] | 39 | import android.view.LayoutInflater; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 40 | import android.view.MotionEvent; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 41 | import android.view.View; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 42 | import android.view.ViewDebug; |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 43 | import android.view.ViewGroup; |
Winson Chung | ee44595 | 2014-09-09 16:12:59 +0200 | [diff] [blame] | 44 | import android.view.accessibility.AccessibilityEvent; |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 45 | import android.view.accessibility.AccessibilityNodeInfo; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 46 | import android.widget.FrameLayout; |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 47 | |
Winson | 4232952 | 2016-02-05 10:39:46 -0800 | [diff] [blame] | 48 | import com.android.internal.logging.MetricsLogger; |
| 49 | import com.android.internal.logging.MetricsProto.MetricsEvent; |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 50 | import com.android.systemui.Interpolators; |
Winson Chung | c6a1623 | 2014-04-01 14:04:48 -0700 | [diff] [blame] | 51 | import com.android.systemui.R; |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 52 | import com.android.systemui.recents.Recents; |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 53 | import com.android.systemui.recents.RecentsActivity; |
Winson | 2536c7e | 2015-10-01 15:49:31 -0700 | [diff] [blame] | 54 | import com.android.systemui.recents.RecentsActivityLaunchState; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 55 | import com.android.systemui.recents.RecentsConfiguration; |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 56 | import com.android.systemui.recents.RecentsDebugFlags; |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 57 | import com.android.systemui.recents.events.EventBus; |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 58 | import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent; |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 59 | import com.android.systemui.recents.events.activity.ConfigurationChangedEvent; |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 60 | import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted; |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 61 | import com.android.systemui.recents.events.activity.EnterRecentsTaskStackAnimationCompletedEvent; |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 62 | import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent; |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 63 | import com.android.systemui.recents.events.activity.HideStackActionButtonEvent; |
Winson | bc0f8cd | 2016-03-15 15:44:48 -0700 | [diff] [blame] | 64 | import com.android.systemui.recents.events.activity.HideRecentsEvent; |
Winson | 8b1871d | 2015-11-20 09:56:20 -0800 | [diff] [blame] | 65 | import com.android.systemui.recents.events.activity.IterateRecentsEvent; |
Winson | b61e654 | 2016-02-04 14:37:18 -0800 | [diff] [blame] | 66 | import com.android.systemui.recents.events.activity.LaunchNextTaskRequestEvent; |
Winson Chung | 48f2cda | 2015-12-11 13:20:12 -0500 | [diff] [blame] | 67 | import com.android.systemui.recents.events.activity.LaunchTaskEvent; |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 68 | import com.android.systemui.recents.events.activity.LaunchTaskStartedEvent; |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 69 | import com.android.systemui.recents.events.activity.MultiWindowStateChangedEvent; |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 70 | import com.android.systemui.recents.events.activity.PackagesChangedEvent; |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 71 | import com.android.systemui.recents.events.activity.ShowStackActionButtonEvent; |
Winson | 397ae74 | 2015-11-20 11:27:33 -0800 | [diff] [blame] | 72 | import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent; |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 73 | import com.android.systemui.recents.events.ui.DeleteTaskDataEvent; |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 74 | import com.android.systemui.recents.events.ui.DismissTaskViewEvent; |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 75 | import com.android.systemui.recents.events.ui.TaskViewDismissedEvent; |
Winson | b1e71d0 | 2015-11-23 12:40:23 -0800 | [diff] [blame] | 76 | import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent; |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 77 | import com.android.systemui.recents.events.ui.UserInteractionEvent; |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 78 | import com.android.systemui.recents.events.ui.dragndrop.DragDropTargetChangedEvent; |
| 79 | import com.android.systemui.recents.events.ui.dragndrop.DragEndEvent; |
| 80 | import com.android.systemui.recents.events.ui.dragndrop.DragStartEvent; |
| 81 | import com.android.systemui.recents.events.ui.dragndrop.DragStartInitializeDropTargetsEvent; |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 82 | import com.android.systemui.recents.events.ui.focus.DismissFocusedTaskViewEvent; |
| 83 | import com.android.systemui.recents.events.ui.focus.FocusNextTaskViewEvent; |
| 84 | import com.android.systemui.recents.events.ui.focus.FocusPreviousTaskViewEvent; |
Winson Chung | ffa2ec6 | 2014-07-03 15:54:42 -0700 | [diff] [blame] | 85 | import com.android.systemui.recents.misc.DozeTrigger; |
Winson Chung | ee44595 | 2014-09-09 16:12:59 +0200 | [diff] [blame] | 86 | import com.android.systemui.recents.misc.SystemServicesProxy; |
Winson Chung | bf5dbf1 | 2014-09-16 00:58:25 +0200 | [diff] [blame] | 87 | import com.android.systemui.recents.misc.Utilities; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 88 | import com.android.systemui.recents.model.Task; |
| 89 | import com.android.systemui.recents.model.TaskStack; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 90 | |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 91 | import java.lang.annotation.Retention; |
| 92 | import java.lang.annotation.RetentionPolicy; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 93 | import java.util.ArrayList; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 94 | import java.util.List; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 95 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 96 | |
| 97 | /* The visual representation of a task stack view */ |
Winson Chung | 04dfe0d | 2014-03-14 14:06:29 -0700 | [diff] [blame] | 98 | public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCallbacks, |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 99 | TaskView.TaskViewCallbacks, TaskStackViewScroller.TaskStackViewScrollerCallbacks, |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 100 | TaskStackLayoutAlgorithm.TaskStackLayoutAlgorithmCallbacks, |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 101 | ViewPool.ViewPoolConsumer<TaskView, Task> { |
Winson Chung | 04dfe0d | 2014-03-14 14:06:29 -0700 | [diff] [blame] | 102 | |
Winson Chung | 4ab4d83 | 2015-12-11 10:25:46 -0500 | [diff] [blame] | 103 | private final static String KEY_SAVED_STATE_SUPER = "saved_instance_state_super"; |
| 104 | private final static String KEY_SAVED_STATE_LAYOUT_FOCUSED_STATE = |
| 105 | "saved_instance_state_layout_focused_state"; |
| 106 | private final static String KEY_SAVED_STATE_LAYOUT_STACK_SCROLL = |
| 107 | "saved_instance_state_layout_stack_scroll"; |
| 108 | |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 109 | // The thresholds at which to show/hide the stack action button. |
| 110 | private static final float SHOW_STACK_ACTION_BUTTON_SCROLL_THRESHOLD = 0.3f; |
| 111 | private static final float HIDE_STACK_ACTION_BUTTON_SCROLL_THRESHOLD = 0.3f; |
Winson | c29ff00 | 2015-11-20 16:00:45 -0800 | [diff] [blame] | 112 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 113 | public static final int DEFAULT_SYNC_STACK_DURATION = 200; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 114 | private static final int DRAG_SCALE_DURATION = 175; |
Jorim Jaggi | 0b46f3c | 2016-03-14 12:21:37 +0100 | [diff] [blame] | 115 | static final float DRAG_SCALE_FACTOR = 1.05f; |
Winson Chung | 0626677 | 2015-12-11 10:24:21 -0500 | [diff] [blame] | 116 | |
Winson | f8597b2 | 2016-03-23 18:44:26 -0700 | [diff] [blame] | 117 | private static final int LAUNCH_NEXT_SCROLL_BASE_DURATION = 216; |
Winson | 96e6134 | 2016-03-15 16:47:19 -0700 | [diff] [blame] | 118 | private static final int LAUNCH_NEXT_SCROLL_INCR_DURATION = 32; |
| 119 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 120 | private static final ArraySet<Task.TaskKey> EMPTY_TASK_SET = new ArraySet<>(); |
| 121 | |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 122 | // The actions to perform when resetting to initial state, |
| 123 | @Retention(RetentionPolicy.SOURCE) |
| 124 | @IntDef({INITIAL_STATE_UPDATE_NONE, INITIAL_STATE_UPDATE_ALL, INITIAL_STATE_UPDATE_LAYOUT_ONLY}) |
| 125 | public @interface InitialStateAction {} |
| 126 | /** Do not update the stack and layout to the initial state. */ |
| 127 | private static final int INITIAL_STATE_UPDATE_NONE = 0; |
| 128 | /** Update both the stack and layout to the initial state. */ |
| 129 | private static final int INITIAL_STATE_UPDATE_ALL = 1; |
| 130 | /** Update only the layout to the initial state. */ |
| 131 | private static final int INITIAL_STATE_UPDATE_LAYOUT_ONLY = 2; |
| 132 | |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 133 | LayoutInflater mInflater; |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 134 | TaskStack mStack = new TaskStack(); |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 135 | @ViewDebug.ExportedProperty(deepExport=true, prefix="layout_") |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 136 | TaskStackLayoutAlgorithm mLayoutAlgorithm; |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 137 | // The stable layout algorithm is only used to calculate the task rect with the stable bounds |
| 138 | TaskStackLayoutAlgorithm mStableLayoutAlgorithm; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 139 | @ViewDebug.ExportedProperty(deepExport=true, prefix="scroller_") |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 140 | TaskStackViewScroller mStackScroller; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 141 | @ViewDebug.ExportedProperty(deepExport=true, prefix="touch_") |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 142 | TaskStackViewTouchHandler mTouchHandler; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 143 | TaskStackAnimationHelper mAnimationHelper; |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 144 | GradientDrawable mFreeformWorkspaceBackground; |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 145 | ObjectAnimator mFreeformWorkspaceBackgroundAnimator; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 146 | ViewPool<TaskView, Task> mViewPool; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 147 | |
| 148 | ArrayList<TaskView> mTaskViews = new ArrayList<>(); |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 149 | ArrayList<TaskViewTransform> mCurrentTaskTransforms = new ArrayList<>(); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 150 | ArraySet<Task.TaskKey> mIgnoreTasks = new ArraySet<>(); |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 151 | AnimationProps mDeferredTaskViewLayoutAnimation = null; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 152 | |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 153 | @ViewDebug.ExportedProperty(deepExport=true, prefix="doze_") |
Winson Chung | d543c1b | 2014-06-23 15:06:45 -0700 | [diff] [blame] | 154 | DozeTrigger mUIDozeTrigger; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 155 | @ViewDebug.ExportedProperty(deepExport=true, prefix="focused_task_") |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 156 | Task mFocusedTask; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 157 | |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 158 | int mTaskCornerRadiusPx; |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 159 | private int mDividerSize; |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 160 | private int mStartTimerIndicatorDuration; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 161 | |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 162 | @ViewDebug.ExportedProperty(category="recents") |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 163 | boolean mTaskViewsClipDirty = true; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 164 | @ViewDebug.ExportedProperty(category="recents") |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 165 | boolean mAwaitingFirstLayout = true; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 166 | @ViewDebug.ExportedProperty(category="recents") |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 167 | @InitialStateAction |
| 168 | int mInitialState = INITIAL_STATE_UPDATE_ALL; |
| 169 | @ViewDebug.ExportedProperty(category="recents") |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 170 | boolean mInMeasureLayout = false; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 171 | @ViewDebug.ExportedProperty(category="recents") |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 172 | boolean mEnterAnimationComplete = false; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 173 | @ViewDebug.ExportedProperty(category="recents") |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 174 | boolean mTouchExplorationEnabled; |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 175 | @ViewDebug.ExportedProperty(category="recents") |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 176 | boolean mScreenPinningEnabled; |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 177 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 178 | // The stable stack bounds are the full bounds that we were measured with from RecentsView |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 179 | @ViewDebug.ExportedProperty(category="recents") |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 180 | private Rect mStableStackBounds = new Rect(); |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 181 | // The current stack bounds are dynamic and may change as the user drags and drops |
Winson | 231bc9c | 2016-02-09 12:31:00 -0800 | [diff] [blame] | 182 | @ViewDebug.ExportedProperty(category="recents") |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 183 | private Rect mStackBounds = new Rect(); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 184 | // The current window bounds at the point we were measured |
| 185 | @ViewDebug.ExportedProperty(category="recents") |
| 186 | private Rect mStableWindowRect = new Rect(); |
| 187 | // The current window bounds are dynamic and may change as the user drags and drops |
| 188 | @ViewDebug.ExportedProperty(category="recents") |
| 189 | private Rect mWindowRect = new Rect(); |
Winson | d952961 | 2016-01-28 13:29:49 -0800 | [diff] [blame] | 190 | |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 191 | private Rect mTmpRect = new Rect(); |
| 192 | private ArrayMap<Task.TaskKey, TaskView> mTmpTaskViewMap = new ArrayMap<>(); |
| 193 | private List<TaskView> mTmpTaskViews = new ArrayList<>(); |
| 194 | private TaskViewTransform mTmpTransform = new TaskViewTransform(); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 195 | private ArrayList<TaskViewTransform> mTmpTaskTransforms = new ArrayList<>(); |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 196 | private int[] mTmpIntPair = new int[2]; |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 197 | |
Winson Chung | bf5dbf1 | 2014-09-16 00:58:25 +0200 | [diff] [blame] | 198 | // A convenience update listener to request updating clipping of tasks |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 199 | private ValueAnimator.AnimatorUpdateListener mRequestUpdateClippingListener = |
Winson Chung | bf5dbf1 | 2014-09-16 00:58:25 +0200 | [diff] [blame] | 200 | new ValueAnimator.AnimatorUpdateListener() { |
Winson | 5b7dd53 | 2015-12-01 16:02:12 -0800 | [diff] [blame] | 201 | @Override |
| 202 | public void onAnimationUpdate(ValueAnimator animation) { |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 203 | if (!mTaskViewsClipDirty) { |
| 204 | mTaskViewsClipDirty = true; |
| 205 | invalidate(); |
| 206 | } |
Winson | 5b7dd53 | 2015-12-01 16:02:12 -0800 | [diff] [blame] | 207 | } |
| 208 | }; |
Winson Chung | bf5dbf1 | 2014-09-16 00:58:25 +0200 | [diff] [blame] | 209 | |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 210 | // The drop targets for a task drag |
| 211 | private DropTarget mFreeformWorkspaceDropTarget = new DropTarget() { |
| 212 | @Override |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 213 | public boolean acceptsDrop(int x, int y, int width, int height, boolean isCurrentTarget) { |
| 214 | // This drop target has a fixed bounds and should be checked last, so just fall through |
| 215 | // if it is the current target |
| 216 | if (!isCurrentTarget) { |
| 217 | return mLayoutAlgorithm.mFreeformRect.contains(x, y); |
| 218 | } |
| 219 | return false; |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 220 | } |
| 221 | }; |
| 222 | |
| 223 | private DropTarget mStackDropTarget = new DropTarget() { |
| 224 | @Override |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 225 | public boolean acceptsDrop(int x, int y, int width, int height, boolean isCurrentTarget) { |
| 226 | // This drop target has a fixed bounds and should be checked last, so just fall through |
| 227 | // if it is the current target |
| 228 | if (!isCurrentTarget) { |
| 229 | return mLayoutAlgorithm.mStackRect.contains(x, y); |
| 230 | } |
| 231 | return false; |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 232 | } |
| 233 | }; |
| 234 | |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 235 | public TaskStackView(Context context) { |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 236 | super(context); |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 237 | SystemServicesProxy ssp = Recents.getSystemServices(); |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 238 | Resources res = context.getResources(); |
| 239 | |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 240 | // Set the stack first |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 241 | mStack.setCallbacks(this); |
Winson | 35f3050 | 2015-09-28 11:24:36 -0700 | [diff] [blame] | 242 | mViewPool = new ViewPool<>(context, this); |
Winson Chung | 37c8d8e | 2014-03-24 14:53:07 -0700 | [diff] [blame] | 243 | mInflater = LayoutInflater.from(context); |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 244 | mLayoutAlgorithm = new TaskStackLayoutAlgorithm(context, this); |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 245 | mStableLayoutAlgorithm = new TaskStackLayoutAlgorithm(context, null); |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 246 | mStackScroller = new TaskStackViewScroller(context, this, mLayoutAlgorithm); |
Winson | 35f3050 | 2015-09-28 11:24:36 -0700 | [diff] [blame] | 247 | mTouchHandler = new TaskStackViewTouchHandler(context, this, mStackScroller); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 248 | mAnimationHelper = new TaskStackAnimationHelper(context, this); |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 249 | mTaskCornerRadiusPx = res.getDimensionPixelSize( |
| 250 | R.dimen.recents_task_view_rounded_corners_radius); |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 251 | mDividerSize = ssp.getDockedDividerSize(context); |
Winson | 35f3050 | 2015-09-28 11:24:36 -0700 | [diff] [blame] | 252 | |
| 253 | int taskBarDismissDozeDelaySeconds = getResources().getInteger( |
| 254 | R.integer.recents_task_bar_dismiss_delay_seconds); |
| 255 | mUIDozeTrigger = new DozeTrigger(taskBarDismissDozeDelaySeconds, new Runnable() { |
Winson Chung | a26fb78 | 2014-06-12 17:52:39 -0700 | [diff] [blame] | 256 | @Override |
| 257 | public void run() { |
| 258 | // Show the task bar dismiss buttons |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 259 | List<TaskView> taskViews = getTaskViews(); |
| 260 | int taskViewCount = taskViews.size(); |
| 261 | for (int i = 0; i < taskViewCount; i++) { |
| 262 | TaskView tv = taskViews.get(i); |
Winson Chung | 969f586 | 2014-06-16 17:08:24 -0700 | [diff] [blame] | 263 | tv.startNoUserInteractionAnimation(); |
Winson Chung | a26fb78 | 2014-06-12 17:52:39 -0700 | [diff] [blame] | 264 | } |
| 265 | } |
| 266 | }); |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 267 | setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 268 | |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 269 | mFreeformWorkspaceBackground = (GradientDrawable) getContext().getDrawable( |
| 270 | R.drawable.recents_freeform_workspace_bg); |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 271 | mFreeformWorkspaceBackground.setCallback(this); |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 272 | if (ssp.hasFreeformWorkspaceSupport()) { |
Winson Chung | aa4f800 | 2015-12-17 10:27:55 -0500 | [diff] [blame] | 273 | mFreeformWorkspaceBackground.setColor( |
| 274 | getContext().getColor(R.color.recents_freeform_workspace_bg_color)); |
Winson | de0591a | 2015-12-04 17:24:35 -0800 | [diff] [blame] | 275 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 276 | } |
| 277 | |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 278 | @Override |
| 279 | protected void onAttachedToWindow() { |
| 280 | EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1); |
| 281 | super.onAttachedToWindow(); |
| 282 | readSystemFlags(); |
| 283 | } |
| 284 | |
| 285 | @Override |
| 286 | protected void onDetachedFromWindow() { |
| 287 | super.onDetachedFromWindow(); |
| 288 | EventBus.getDefault().unregister(this); |
| 289 | } |
| 290 | |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 291 | /** |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 292 | * Called from RecentsActivity when it is relaunched. |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 293 | */ |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 294 | void onReload(boolean isResumingFromVisible) { |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 295 | if (!isResumingFromVisible) { |
| 296 | // Reset the focused task |
| 297 | resetFocusedTask(getFocusedTask()); |
| 298 | } |
| 299 | |
| 300 | // Reset the state of each of the task views |
| 301 | List<TaskView> taskViews = new ArrayList<>(); |
| 302 | taskViews.addAll(getTaskViews()); |
| 303 | taskViews.addAll(mViewPool.getViews()); |
| 304 | for (int i = taskViews.size() - 1; i >= 0; i--) { |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 305 | taskViews.get(i).onReload(isResumingFromVisible); |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | // Reset the stack state |
| 309 | readSystemFlags(); |
| 310 | mTaskViewsClipDirty = true; |
| 311 | mEnterAnimationComplete = false; |
| 312 | mUIDozeTrigger.stopDozing(); |
| 313 | if (isResumingFromVisible) { |
| 314 | // Animate in the freeform workspace |
| 315 | int ffBgAlpha = mLayoutAlgorithm.getStackState().freeformBackgroundAlpha; |
| 316 | animateFreeformWorkspaceBackgroundAlpha(ffBgAlpha, new AnimationProps(150, |
| 317 | Interpolators.FAST_OUT_SLOW_IN)); |
| 318 | } else { |
| 319 | mStackScroller.reset(); |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 320 | mStableLayoutAlgorithm.reset(); |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 321 | mLayoutAlgorithm.reset(); |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 322 | } |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 323 | |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 324 | // Since we always animate to the same place in (the initial state), always reset the stack |
| 325 | // to the initial state when resuming |
| 326 | mAwaitingFirstLayout = true; |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 327 | mInitialState = INITIAL_STATE_UPDATE_ALL; |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 328 | requestLayout(); |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 329 | } |
| 330 | |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 331 | /** |
| 332 | * Sets the stack tasks of this TaskStackView from the given TaskStack. |
| 333 | */ |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 334 | public void setTasks(TaskStack stack, boolean allowNotifyStackChanges) { |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 335 | boolean isInitialized = mLayoutAlgorithm.isInitialized(); |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 336 | // Only notify if we are already initialized, otherwise, everything will pick up all the |
| 337 | // new and old tasks when we next layout |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 338 | mStack.setTasks(getContext(), stack.computeAllTasksList(), |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 339 | allowNotifyStackChanges && isInitialized); |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 340 | } |
| 341 | |
Winson Chung | d16c565 | 2015-01-26 16:11:07 -0800 | [diff] [blame] | 342 | /** Returns the task stack. */ |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 343 | public TaskStack getStack() { |
Winson Chung | d16c565 | 2015-01-26 16:11:07 -0800 | [diff] [blame] | 344 | return mStack; |
| 345 | } |
| 346 | |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 347 | /** |
| 348 | * Updates this TaskStackView to the initial state. |
| 349 | */ |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 350 | public void updateToInitialState(boolean scrollToInitialState) { |
| 351 | if (scrollToInitialState) { |
| 352 | mStackScroller.setStackScrollToInitialState(); |
| 353 | } |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 354 | mLayoutAlgorithm.updateToInitialState(mStack.getStackTasks()); |
| 355 | } |
| 356 | |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 357 | /** Updates the list of task views */ |
| 358 | void updateTaskViewsList() { |
| 359 | mTaskViews.clear(); |
| 360 | int childCount = getChildCount(); |
| 361 | for (int i = 0; i < childCount; i++) { |
| 362 | View v = getChildAt(i); |
| 363 | if (v instanceof TaskView) { |
| 364 | mTaskViews.add((TaskView) v); |
| 365 | } |
| 366 | } |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | /** Gets the list of task views */ |
| 370 | List<TaskView> getTaskViews() { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 371 | return mTaskViews; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 372 | } |
| 373 | |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 374 | /** |
| 375 | * Returns the front most task view. |
| 376 | * |
| 377 | * @param stackTasksOnly if set, will return the front most task view in the stack (by default |
| 378 | * the front most task view will be freeform since they are placed above |
| 379 | * stack tasks) |
| 380 | */ |
| 381 | private TaskView getFrontMostTaskView(boolean stackTasksOnly) { |
| 382 | List<TaskView> taskViews = getTaskViews(); |
| 383 | int taskViewCount = taskViews.size(); |
| 384 | for (int i = taskViewCount - 1; i >= 0; i--) { |
| 385 | TaskView tv = taskViews.get(i); |
| 386 | Task task = tv.getTask(); |
| 387 | if (stackTasksOnly && task.isFreeformTask()) { |
| 388 | continue; |
| 389 | } |
| 390 | return tv; |
| 391 | } |
| 392 | return null; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Finds the child view given a specific {@param task}. |
| 397 | */ |
| 398 | public TaskView getChildViewForTask(Task t) { |
| 399 | List<TaskView> taskViews = getTaskViews(); |
| 400 | int taskViewCount = taskViews.size(); |
| 401 | for (int i = 0; i < taskViewCount; i++) { |
| 402 | TaskView tv = taskViews.get(i); |
| 403 | if (tv.getTask() == t) { |
| 404 | return tv; |
| 405 | } |
| 406 | } |
| 407 | return null; |
| 408 | } |
| 409 | |
Winson Chung | d7b2cb1 | 2014-06-26 15:08:50 -0700 | [diff] [blame] | 410 | /** Returns the stack algorithm for this task stack. */ |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 411 | public TaskStackLayoutAlgorithm getStackAlgorithm() { |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 412 | return mLayoutAlgorithm; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 413 | } |
| 414 | |
Winson Chung | c6a1623 | 2014-04-01 14:04:48 -0700 | [diff] [blame] | 415 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 416 | * Adds a task to the ignored set. |
Winson Chung | c6a1623 | 2014-04-01 14:04:48 -0700 | [diff] [blame] | 417 | */ |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 418 | void addIgnoreTask(Task task) { |
| 419 | mIgnoreTasks.add(task.key); |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Removes a task from the ignored set. |
| 424 | */ |
| 425 | void removeIgnoreTask(Task task) { |
| 426 | mIgnoreTasks.remove(task.key); |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * Returns whether the specified {@param task} is ignored. |
| 431 | */ |
| 432 | boolean isIgnoredTask(Task task) { |
| 433 | return mIgnoreTasks.contains(task.key); |
| 434 | } |
| 435 | |
| 436 | /** |
| 437 | * Computes the task transforms at the current stack scroll for all visible tasks. If a valid |
| 438 | * target stack scroll is provided (ie. is different than {@param curStackScroll}), then the |
| 439 | * visible range includes all tasks at the target stack scroll. This is useful for ensure that |
| 440 | * all views necessary for a transition or animation will be visible at the start. |
| 441 | * |
| 442 | * This call ignores freeform tasks. |
| 443 | * |
| 444 | * @param taskTransforms The set of task view transforms to reuse, this list will be sized to |
| 445 | * match the size of {@param tasks} |
| 446 | * @param tasks The set of tasks for which to generate transforms |
| 447 | * @param curStackScroll The current stack scroll |
| 448 | * @param targetStackScroll The stack scroll that we anticipate we are going to be scrolling to. |
| 449 | * The range of the union of the visible views at the current and |
| 450 | * target stack scrolls will be returned. |
| 451 | * @param ignoreTasksSet The set of tasks to skip for purposes of calculaing the visible range. |
| 452 | * Transforms will still be calculated for the ignore tasks. |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 453 | * @return the front and back most visible task indices (there may be non visible tasks in |
| 454 | * between this range) |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 455 | */ |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 456 | int[] computeVisibleTaskTransforms(ArrayList<TaskViewTransform> taskTransforms, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 457 | ArrayList<Task> tasks, float curStackScroll, float targetStackScroll, |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 458 | ArraySet<Task.TaskKey> ignoreTasksSet, boolean ignoreTaskOverrides) { |
Winson Chung | c6a1623 | 2014-04-01 14:04:48 -0700 | [diff] [blame] | 459 | int taskCount = tasks.size(); |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 460 | int[] visibleTaskRange = mTmpIntPair; |
| 461 | visibleTaskRange[0] = -1; |
| 462 | visibleTaskRange[1] = -1; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 463 | boolean useTargetStackScroll = Float.compare(curStackScroll, targetStackScroll) != 0; |
Winson Chung | c9567c0 | 2014-06-16 20:25:51 -0700 | [diff] [blame] | 464 | |
| 465 | // We can reuse the task transforms where possible to reduce object allocation |
Winson | c5fd350 | 2016-01-18 15:18:37 -0800 | [diff] [blame] | 466 | Utilities.matchTaskListSize(tasks, taskTransforms); |
Winson Chung | c9567c0 | 2014-06-16 20:25:51 -0700 | [diff] [blame] | 467 | |
| 468 | // Update the stack transforms |
Winson | 4993c2f | 2015-11-19 10:06:06 -0800 | [diff] [blame] | 469 | TaskViewTransform frontTransform = null; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 470 | TaskViewTransform frontTransformAtTarget = null; |
| 471 | TaskViewTransform transform = null; |
| 472 | TaskViewTransform transformAtTarget = null; |
Winson Chung | 7aceb9a | 2014-07-03 13:38:01 -0700 | [diff] [blame] | 473 | for (int i = taskCount - 1; i >= 0; i--) { |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 474 | Task task = tasks.get(i); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 475 | |
| 476 | // Calculate the current and (if necessary) the target transform for the task |
| 477 | transform = mLayoutAlgorithm.getStackTransform(task, curStackScroll, |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 478 | taskTransforms.get(i), frontTransform, ignoreTaskOverrides); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 479 | if (useTargetStackScroll && !transform.visible) { |
| 480 | // If we have a target stack scroll and the task is not currently visible, then we |
| 481 | // just update the transform at the new scroll |
| 482 | // TODO: Optimize this |
| 483 | transformAtTarget = mLayoutAlgorithm.getStackTransform(task, |
| 484 | targetStackScroll, new TaskViewTransform(), frontTransformAtTarget); |
| 485 | if (transformAtTarget.visible) { |
| 486 | transform.copyFrom(transformAtTarget); |
| 487 | } |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 488 | } |
| 489 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 490 | // For ignore tasks, only calculate the stack transform and skip the calculation of the |
| 491 | // visible stack indices |
| 492 | if (ignoreTasksSet.contains(task.key)) { |
| 493 | continue; |
| 494 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 495 | |
| 496 | // For freeform tasks, only calculate the stack transform and skip the calculation of |
| 497 | // the visible stack indices |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 498 | if (task.isFreeformTask()) { |
| 499 | continue; |
| 500 | } |
| 501 | |
Winson | 4993c2f | 2015-11-19 10:06:06 -0800 | [diff] [blame] | 502 | frontTransform = transform; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 503 | frontTransformAtTarget = transformAtTarget; |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 504 | if (transform.visible) { |
| 505 | if (visibleTaskRange[0] < 0) { |
| 506 | visibleTaskRange[0] = i; |
| 507 | } |
| 508 | visibleTaskRange[1] = i; |
| 509 | } |
Winson Chung | c6a1623 | 2014-04-01 14:04:48 -0700 | [diff] [blame] | 510 | } |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 511 | return visibleTaskRange; |
Winson Chung | d42a6cf | 2014-06-03 16:24:04 -0700 | [diff] [blame] | 512 | } |
| 513 | |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 514 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 515 | * Binds the visible {@link TaskView}s at the given target scroll. |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 516 | */ |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 517 | void bindVisibleTaskViews(float targetStackScroll) { |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 518 | bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, false /* ignoreTaskOverrides */); |
| 519 | } |
| 520 | |
| 521 | void bindVisibleTaskViews(float targetStackScroll, boolean ignoreTaskOverrides) { |
| 522 | bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, ignoreTaskOverrides); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | /** |
| 526 | * Synchronizes the set of children {@link TaskView}s to match the visible set of tasks in the |
| 527 | * current {@link TaskStack}. This call does not continue on to update their position to the |
| 528 | * computed {@link TaskViewTransform}s of the visible range, but only ensures that they will |
| 529 | * be added/removed from the view hierarchy and placed in the correct Z order and initial |
| 530 | * position (if not currently on screen). |
| 531 | * |
| 532 | * @param targetStackScroll If provided, will ensure that the set of visible {@link TaskView}s |
| 533 | * includes those visible at the current stack scroll, and all at the |
| 534 | * target stack scroll. |
| 535 | * @param ignoreTasksSet The set of tasks to ignore in this rebinding of the visible |
| 536 | * {@link TaskView}s |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 537 | * @param ignoreTaskOverrides If set, the visible task computation will get the transforms for |
| 538 | * tasks at their non-overridden task progress |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 539 | */ |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 540 | void bindVisibleTaskViews(float targetStackScroll, ArraySet<Task.TaskKey> ignoreTasksSet, |
| 541 | boolean ignoreTaskOverrides) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 542 | // Get all the task transforms |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 543 | ArrayList<Task> tasks = mStack.getStackTasks(); |
| 544 | int[] visibleTaskRange = computeVisibleTaskTransforms(mCurrentTaskTransforms, tasks, |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 545 | mStackScroller.getStackScroll(), targetStackScroll, ignoreTasksSet, |
| 546 | ignoreTaskOverrides); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 547 | |
| 548 | // Return all the invisible children to the pool |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 549 | mTmpTaskViewMap.clear(); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 550 | List<TaskView> taskViews = getTaskViews(); |
| 551 | int lastFocusedTaskIndex = -1; |
| 552 | int taskViewCount = taskViews.size(); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 553 | for (int i = taskViewCount - 1; i >= 0; i--) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 554 | TaskView tv = taskViews.get(i); |
| 555 | Task task = tv.getTask(); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 556 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 557 | // Skip ignored tasks |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 558 | if (ignoreTasksSet.contains(task.key)) { |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 559 | continue; |
| 560 | } |
| 561 | |
Winson | 1d5ff7e | 2016-03-04 11:21:09 -0800 | [diff] [blame] | 562 | // It is possible for the set of lingering TaskViews to differ from the stack if the |
| 563 | // stack was updated before the relayout. If the task view is no longer in the stack, |
| 564 | // then just return it back to the view pool. |
| 565 | int taskIndex = mStack.indexOfStackTask(task); |
| 566 | TaskViewTransform transform = null; |
| 567 | if (taskIndex != -1) { |
| 568 | transform = mCurrentTaskTransforms.get(taskIndex); |
| 569 | } |
| 570 | |
| 571 | if (task.isFreeformTask() || (transform != null && transform.visible)) { |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 572 | mTmpTaskViewMap.put(task.key, tv); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 573 | } else { |
| 574 | if (mTouchExplorationEnabled) { |
| 575 | lastFocusedTaskIndex = taskIndex; |
| 576 | resetFocusedTask(task); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 577 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 578 | mViewPool.returnViewToPool(tv); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 579 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 580 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 581 | |
| 582 | // Pick up all the newly visible children |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 583 | for (int i = tasks.size() - 1; i >= 0; i--) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 584 | Task task = tasks.get(i); |
| 585 | TaskViewTransform transform = mCurrentTaskTransforms.get(i); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 586 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 587 | // Skip ignored tasks |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 588 | if (ignoreTasksSet.contains(task.key)) { |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 589 | continue; |
| 590 | } |
| 591 | |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 592 | // Skip the invisible non-freeform stack tasks |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 593 | if (!task.isFreeformTask() && !transform.visible) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 594 | continue; |
| 595 | } |
| 596 | |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 597 | TaskView tv = mTmpTaskViewMap.get(task.key); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 598 | if (tv == null) { |
| 599 | tv = mViewPool.pickUpViewFromPool(task, task); |
| 600 | if (task.isFreeformTask()) { |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 601 | tv.updateViewPropertiesToTaskTransform(transform, AnimationProps.IMMEDIATE, |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 602 | mRequestUpdateClippingListener); |
| 603 | } else { |
Winson | 6808881 | 2016-02-12 16:06:04 -0800 | [diff] [blame] | 604 | if (transform.rect.top <= mLayoutAlgorithm.mStackRect.top) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 605 | tv.updateViewPropertiesToTaskTransform( |
| 606 | mLayoutAlgorithm.getBackOfStackTransform(), |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 607 | AnimationProps.IMMEDIATE, mRequestUpdateClippingListener); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 608 | } else { |
| 609 | tv.updateViewPropertiesToTaskTransform( |
| 610 | mLayoutAlgorithm.getFrontOfStackTransform(), |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 611 | AnimationProps.IMMEDIATE, mRequestUpdateClippingListener); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 612 | } |
| 613 | } |
| 614 | } else { |
| 615 | // Reattach it in the right z order |
| 616 | final int taskIndex = mStack.indexOfStackTask(task); |
| 617 | final int insertIndex = findTaskViewInsertIndex(task, taskIndex); |
| 618 | if (insertIndex != getTaskViews().indexOf(tv)){ |
| 619 | detachViewFromParent(tv); |
| 620 | attachViewToParent(tv, insertIndex, tv.getLayoutParams()); |
| 621 | updateTaskViewsList(); |
| 622 | } |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | // Update the focus if the previous focused task was returned to the view pool |
| 627 | if (lastFocusedTaskIndex != -1) { |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 628 | if (lastFocusedTaskIndex < visibleTaskRange[1]) { |
| 629 | setFocusedTask(visibleTaskRange[1], false /* scrollToTask */, |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 630 | true /* requestViewFocus */); |
| 631 | } else { |
Winson | c438702 | 2016-02-24 12:05:26 -0800 | [diff] [blame] | 632 | setFocusedTask(visibleTaskRange[0], false /* scrollToTask */, |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 633 | true /* requestViewFocus */); |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | /** |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 639 | * @see #relayoutTaskViews(AnimationProps, ArraySet<Task.TaskKey>, boolean) |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 640 | */ |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 641 | void relayoutTaskViews(AnimationProps animation) { |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 642 | relayoutTaskViews(animation, mIgnoreTasks, false /* ignoreTaskOverrides */); |
| 643 | } |
| 644 | |
| 645 | /** |
| 646 | * @see #relayoutTaskViews(AnimationProps, ArraySet<Task.TaskKey>, boolean) |
| 647 | */ |
| 648 | void relayoutTaskViews(AnimationProps animation, ArraySet<Task.TaskKey> ignoreTasksSet) { |
| 649 | relayoutTaskViews(animation, ignoreTasksSet, false /* ignoreTaskOverrides */); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 650 | } |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 651 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 652 | /** |
| 653 | * Relayout the the visible {@link TaskView}s to their current transforms as specified by the |
| 654 | * {@link TaskStackLayoutAlgorithm} with the given {@param animation}. This call cancels any |
| 655 | * animations that are current running on those task views, and will ensure that the children |
| 656 | * {@link TaskView}s will match the set of visible tasks in the stack. |
| 657 | * |
| 658 | * @param ignoreTasksSet the set of tasks to ignore in the relayout |
| 659 | */ |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 660 | void relayoutTaskViews(AnimationProps animation, ArraySet<Task.TaskKey> ignoreTasksSet, |
| 661 | boolean ignoreTaskOverrides) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 662 | // If we had a deferred animation, cancel that |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 663 | mDeferredTaskViewLayoutAnimation = null; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 664 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 665 | // Synchronize the current set of TaskViews |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 666 | bindVisibleTaskViews(mStackScroller.getStackScroll(), ignoreTasksSet, |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 667 | ignoreTaskOverrides /* ignoreTaskOverrides */); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 668 | |
| 669 | // Animate them to their final transforms with the given animation |
| 670 | List<TaskView> taskViews = getTaskViews(); |
| 671 | int taskViewCount = taskViews.size(); |
| 672 | for (int i = 0; i < taskViewCount; i++) { |
Winson | 4333694 | 2016-03-07 14:52:59 -0800 | [diff] [blame] | 673 | TaskView tv = taskViews.get(i); |
| 674 | int taskIndex = mStack.indexOfStackTask(tv.getTask()); |
| 675 | TaskViewTransform transform = mCurrentTaskTransforms.get(taskIndex); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 676 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 677 | if (ignoreTasksSet.contains(tv.getTask().key)) { |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 678 | continue; |
| 679 | } |
| 680 | |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 681 | updateTaskViewToTransform(tv, transform, animation); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | /** |
| 686 | * Posts an update to synchronize the {@link TaskView}s with the stack on the next frame. |
| 687 | */ |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 688 | void relayoutTaskViewsOnNextFrame(AnimationProps animation) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 689 | mDeferredTaskViewLayoutAnimation = animation; |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 690 | invalidate(); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 691 | } |
| 692 | |
| 693 | /** |
| 694 | * Called to update a specific {@link TaskView} to a given {@link TaskViewTransform} with a |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 695 | * given set of {@link AnimationProps} properties. |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 696 | */ |
| 697 | public void updateTaskViewToTransform(TaskView taskView, TaskViewTransform transform, |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 698 | AnimationProps animation) { |
Jorim Jaggi | 899327f | 2016-02-25 20:44:18 -0500 | [diff] [blame] | 699 | if (taskView.isAnimatingTo(transform)) { |
| 700 | return; |
| 701 | } |
| 702 | taskView.cancelTransformAnimation(); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 703 | taskView.updateViewPropertiesToTaskTransform(transform, animation, |
| 704 | mRequestUpdateClippingListener); |
| 705 | } |
| 706 | |
| 707 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 708 | * Returns the current task transforms of all tasks, falling back to the stack layout if there |
| 709 | * is no {@link TaskView} for the task. |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 710 | */ |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 711 | public void getCurrentTaskTransforms(ArrayList<Task> tasks, |
| 712 | ArrayList<TaskViewTransform> transformsOut) { |
| 713 | Utilities.matchTaskListSize(tasks, transformsOut); |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 714 | int focusState = mLayoutAlgorithm.getFocusState(); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 715 | for (int i = tasks.size() - 1; i >= 0; i--) { |
| 716 | Task task = tasks.get(i); |
| 717 | TaskViewTransform transform = transformsOut.get(i); |
| 718 | TaskView tv = getChildViewForTask(task); |
| 719 | if (tv != null) { |
| 720 | transform.fillIn(tv); |
| 721 | } else { |
| 722 | mLayoutAlgorithm.getStackTransform(task, mStackScroller.getStackScroll(), |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 723 | focusState, transform, null, true /* forceUpdate */, |
| 724 | false /* ignoreTaskOverrides */); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 725 | } |
| 726 | transform.visible = true; |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | /** |
| 731 | * Returns the task transforms for all the tasks in the stack if the stack was at the given |
Winson | 1499150 | 2016-02-15 15:40:08 -0800 | [diff] [blame] | 732 | * {@param stackScroll} and {@param focusState}. |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 733 | */ |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 734 | public void getLayoutTaskTransforms(float stackScroll, int focusState, ArrayList<Task> tasks, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 735 | ArrayList<TaskViewTransform> transformsOut) { |
| 736 | Utilities.matchTaskListSize(tasks, transformsOut); |
| 737 | for (int i = tasks.size() - 1; i >= 0; i--) { |
| 738 | Task task = tasks.get(i); |
| 739 | TaskViewTransform transform = transformsOut.get(i); |
Winson | 1499150 | 2016-02-15 15:40:08 -0800 | [diff] [blame] | 740 | mLayoutAlgorithm.getStackTransform(task, stackScroll, focusState, transform, null, |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 741 | true /* forceUpdate */, true /* ignoreTaskOverrides */); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 742 | transform.visible = true; |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | /** |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 747 | * Cancels the next deferred task view layout. |
| 748 | */ |
| 749 | void cancelDeferredTaskViewLayoutAnimation() { |
| 750 | mDeferredTaskViewLayoutAnimation = null; |
| 751 | } |
| 752 | |
| 753 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 754 | * Cancels all {@link TaskView} animations. |
| 755 | * |
| 756 | * @see #cancelAllTaskViewAnimations(ArraySet<Task.TaskKey>) |
| 757 | */ |
| 758 | void cancelAllTaskViewAnimations() { |
| 759 | cancelAllTaskViewAnimations(mIgnoreTasks); |
| 760 | } |
| 761 | |
| 762 | /** |
| 763 | * Cancels all {@link TaskView} animations. |
| 764 | * |
| 765 | * @param ignoreTasksSet The set of tasks to continue running their animations. |
| 766 | */ |
| 767 | void cancelAllTaskViewAnimations(ArraySet<Task.TaskKey> ignoreTasksSet) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 768 | List<TaskView> taskViews = getTaskViews(); |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 769 | for (int i = taskViews.size() - 1; i >= 0; i--) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 770 | final TaskView tv = taskViews.get(i); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 771 | if (!ignoreTasksSet.contains(tv.getTask().key)) { |
| 772 | tv.cancelTransformAnimation(); |
| 773 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 774 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 775 | } |
| 776 | |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 777 | /** |
| 778 | * Updates the clip for each of the task views from back to front. |
| 779 | */ |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 780 | private void clipTaskViews() { |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 781 | // Update the clip on each task child |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 782 | List<TaskView> taskViews = getTaskViews(); |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 783 | TaskView tmpTv = null; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 784 | TaskView prevVisibleTv = null; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 785 | int taskViewCount = taskViews.size(); |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 786 | for (int i = 0; i < taskViewCount; i++) { |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 787 | TaskView tv = taskViews.get(i); |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 788 | TaskView frontTv = null; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 789 | int clipBottom = 0; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 790 | |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 791 | if (isIgnoredTask(tv.getTask())) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 792 | // For each of the ignore tasks, update the translationZ of its TaskView to be |
| 793 | // between the translationZ of the tasks immediately underneath it |
| 794 | if (prevVisibleTv != null) { |
| 795 | tv.setTranslationZ(Math.max(tv.getTranslationZ(), |
| 796 | prevVisibleTv.getTranslationZ() + 0.1f)); |
| 797 | } |
| 798 | } |
| 799 | |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 800 | if (i < (taskViewCount - 1) && tv.shouldClipViewInStack()) { |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 801 | // Find the next view to clip against |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 802 | for (int j = i + 1; j < taskViewCount; j++) { |
| 803 | tmpTv = taskViews.get(j); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 804 | |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 805 | if (tmpTv.shouldClipViewInStack()) { |
| 806 | frontTv = tmpTv; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 807 | break; |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 808 | } |
| 809 | } |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 810 | |
| 811 | // Clip against the next view, this is just an approximation since we are |
| 812 | // stacked and we can make assumptions about the visibility of the this |
| 813 | // task relative to the ones in front of it. |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 814 | if (frontTv != null) { |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 815 | float taskBottom = tv.getBottom(); |
| 816 | float frontTaskTop = frontTv.getTop(); |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 817 | if (frontTaskTop < taskBottom) { |
| 818 | // Map the stack view space coordinate (the rects) to view space |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 819 | clipBottom = (int) (taskBottom - frontTaskTop) - mTaskCornerRadiusPx; |
Winson | 3150e57 | 2015-10-23 15:07:24 -0700 | [diff] [blame] | 820 | } |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 821 | } |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 822 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 823 | tv.getViewBounds().setClipBottom(clipBottom); |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 824 | tv.mThumbnailView.updateThumbnailVisibility(clipBottom - tv.getPaddingBottom()); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 825 | prevVisibleTv = tv; |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 826 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 827 | mTaskViewsClipDirty = false; |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 828 | } |
| 829 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 830 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 831 | * Updates the layout algorithm min and max virtual scroll bounds. |
| 832 | * |
| 833 | * @see #updateLayoutAlgorithm(boolean, ArraySet<Task.TaskKey>) |
| 834 | */ |
Winson | 003eda6 | 2016-03-11 14:56:00 -0800 | [diff] [blame] | 835 | public void updateLayoutAlgorithm(boolean boundScrollToNewMinMax) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 836 | updateLayoutAlgorithm(boundScrollToNewMinMax, mIgnoreTasks); |
| 837 | } |
| 838 | |
| 839 | /** |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 840 | * Updates the min and max virtual scroll bounds. |
| 841 | * |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 842 | * @param ignoreTasksSet the set of tasks to ignore in the relayout |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 843 | */ |
Winson | 003eda6 | 2016-03-11 14:56:00 -0800 | [diff] [blame] | 844 | public void updateLayoutAlgorithm(boolean boundScrollToNewMinMax, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 845 | ArraySet<Task.TaskKey> ignoreTasksSet) { |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 846 | // Compute the min and max scroll values |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 847 | mLayoutAlgorithm.update(mStack, ignoreTasksSet); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 848 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 849 | // Update the freeform workspace background |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 850 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 851 | if (ssp.hasFreeformWorkspaceSupport()) { |
| 852 | mTmpRect.set(mLayoutAlgorithm.mFreeformRect); |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 853 | mFreeformWorkspaceBackground.setBounds(mTmpRect); |
| 854 | } |
| 855 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 856 | if (boundScrollToNewMinMax) { |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 857 | mStackScroller.boundScroll(); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 858 | } |
| 859 | } |
| 860 | |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 861 | /** Returns the scroller. */ |
| 862 | public TaskStackViewScroller getScroller() { |
| 863 | return mStackScroller; |
| 864 | } |
| 865 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 866 | /** |
| 867 | * Sets the focused task to the provided (bounded taskIndex). |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 868 | * |
| 869 | * @return whether or not the stack will scroll as a part of this focus change |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 870 | */ |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 871 | private boolean setFocusedTask(int taskIndex, boolean scrollToTask, |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 872 | final boolean requestViewFocus) { |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 873 | return setFocusedTask(taskIndex, scrollToTask, requestViewFocus, 0); |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 874 | } |
| 875 | |
| 876 | /** |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 877 | * Sets the focused task to the provided (bounded focusTaskIndex). |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 878 | * |
| 879 | * @return whether or not the stack will scroll as a part of this focus change |
| 880 | */ |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 881 | private boolean setFocusedTask(int focusTaskIndex, boolean scrollToTask, |
| 882 | boolean requestViewFocus, int timerIndicatorDuration) { |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 883 | // Find the next task to focus |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 884 | int newFocusedTaskIndex = mStack.getTaskCount() > 0 ? |
Winson | 6808881 | 2016-02-12 16:06:04 -0800 | [diff] [blame] | 885 | Utilities.clamp(focusTaskIndex, 0, mStack.getTaskCount() - 1) : -1; |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 886 | final Task newFocusedTask = (newFocusedTaskIndex != -1) ? |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 887 | mStack.getStackTasks().get(newFocusedTaskIndex) : null; |
Winson Chung | 1e8d71b | 2014-05-16 17:05:22 -0700 | [diff] [blame] | 888 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 889 | // Reset the last focused task state if changed |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 890 | if (mFocusedTask != null) { |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 891 | // Cancel the timer indicator, if applicable |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 892 | if (timerIndicatorDuration > 0) { |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 893 | final TaskView tv = getChildViewForTask(mFocusedTask); |
| 894 | if (tv != null) { |
| 895 | tv.getHeaderView().cancelFocusTimerIndicator(); |
| 896 | } |
| 897 | } |
Winson | b433c5b | 2016-01-20 17:11:29 -0800 | [diff] [blame] | 898 | |
| 899 | resetFocusedTask(mFocusedTask); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 900 | } |
| 901 | |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 902 | boolean willScroll = false; |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 903 | mFocusedTask = newFocusedTask; |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 904 | |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 905 | if (newFocusedTask != null) { |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 906 | // Start the timer indicator, if applicable |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 907 | if (timerIndicatorDuration > 0) { |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 908 | final TaskView tv = getChildViewForTask(mFocusedTask); |
| 909 | if (tv != null) { |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 910 | tv.getHeaderView().startFocusTimerIndicator(timerIndicatorDuration); |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 911 | } else { |
| 912 | // The view is null; set a flag for later |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 913 | mStartTimerIndicatorDuration = timerIndicatorDuration; |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 914 | } |
| 915 | } |
| 916 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 917 | if (scrollToTask) { |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 918 | // Cancel any running enter animations at this point when we scroll or change focus |
| 919 | if (!mEnterAnimationComplete) { |
| 920 | cancelAllTaskViewAnimations(); |
| 921 | } |
| 922 | |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 923 | mLayoutAlgorithm.clearUnfocusedTaskOverrides(); |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 924 | willScroll = mAnimationHelper.startScrollToFocusedTaskAnimation(newFocusedTask, |
| 925 | requestViewFocus); |
Winson Chung | 1e8d71b | 2014-05-16 17:05:22 -0700 | [diff] [blame] | 926 | } else { |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 927 | // Focus the task view |
| 928 | TaskView newFocusedTaskView = getChildViewForTask(newFocusedTask); |
| 929 | if (newFocusedTaskView != null) { |
| 930 | newFocusedTaskView.setFocusedState(true, requestViewFocus); |
| 931 | } |
Winson Chung | 1e8d71b | 2014-05-16 17:05:22 -0700 | [diff] [blame] | 932 | } |
| 933 | } |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 934 | return willScroll; |
Winson Chung | 1e8d71b | 2014-05-16 17:05:22 -0700 | [diff] [blame] | 935 | } |
| 936 | |
Winson Chung | d213a1e | 2014-10-02 11:18:30 -0700 | [diff] [blame] | 937 | /** |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 938 | * Sets the focused task relative to the currently focused task. |
| 939 | * |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 940 | * @param forward whether to go to the next task in the stack (along the curve) or the previous |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 941 | * @param stackTasksOnly if set, will ensure that the traversal only goes along stack tasks, and |
| 942 | * if the currently focused task is not a stack task, will set the focus |
| 943 | * to the first visible stack task |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 944 | * @param animated determines whether to actually draw the highlight along with the change in |
| 945 | * focus. |
Winson Chung | d213a1e | 2014-10-02 11:18:30 -0700 | [diff] [blame] | 946 | */ |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 947 | public void setRelativeFocusedTask(boolean forward, boolean stackTasksOnly, boolean animated) { |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 948 | setRelativeFocusedTask(forward, stackTasksOnly, animated, false); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Sets the focused task relative to the currently focused task. |
| 953 | * |
| 954 | * @param forward whether to go to the next task in the stack (along the curve) or the previous |
| 955 | * @param stackTasksOnly if set, will ensure that the traversal only goes along stack tasks, and |
| 956 | * if the currently focused task is not a stack task, will set the focus |
| 957 | * to the first visible stack task |
| 958 | * @param animated determines whether to actually draw the highlight along with the change in |
| 959 | * focus. |
| 960 | * @param cancelWindowAnimations if set, will attempt to cancel window animations if a scroll |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 961 | * happens. |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 962 | */ |
| 963 | public void setRelativeFocusedTask(boolean forward, boolean stackTasksOnly, boolean animated, |
| 964 | boolean cancelWindowAnimations) { |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 965 | setRelativeFocusedTask(forward, stackTasksOnly, animated, cancelWindowAnimations, 0); |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 966 | } |
| 967 | |
| 968 | /** |
| 969 | * Sets the focused task relative to the currently focused task. |
| 970 | * |
| 971 | * @param forward whether to go to the next task in the stack (along the curve) or the previous |
| 972 | * @param stackTasksOnly if set, will ensure that the traversal only goes along stack tasks, and |
| 973 | * if the currently focused task is not a stack task, will set the focus |
| 974 | * to the first visible stack task |
| 975 | * @param animated determines whether to actually draw the highlight along with the change in |
| 976 | * focus. |
| 977 | * @param cancelWindowAnimations if set, will attempt to cancel window animations if a scroll |
| 978 | * happens. |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 979 | * @param timerIndicatorDuration the duration to initialize the auto-advance timer indicator |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 980 | */ |
| 981 | public void setRelativeFocusedTask(boolean forward, boolean stackTasksOnly, boolean animated, |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 982 | boolean cancelWindowAnimations, |
| 983 | int timerIndicatorDuration) { |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 984 | int newIndex = mStack.indexOfStackTask(mFocusedTask); |
| 985 | if (mFocusedTask != null) { |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 986 | if (stackTasksOnly) { |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 987 | List<Task> tasks = mStack.getStackTasks(); |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 988 | if (mFocusedTask.isFreeformTask()) { |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 989 | // Try and focus the front most stack task |
| 990 | TaskView tv = getFrontMostTaskView(stackTasksOnly); |
| 991 | if (tv != null) { |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 992 | newIndex = mStack.indexOfStackTask(tv.getTask()); |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 993 | } |
| 994 | } else { |
| 995 | // Try the next task if it is a stack task |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 996 | int tmpNewIndex = newIndex + (forward ? -1 : 1); |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 997 | if (0 <= tmpNewIndex && tmpNewIndex < tasks.size()) { |
| 998 | Task t = tasks.get(tmpNewIndex); |
| 999 | if (!t.isFreeformTask()) { |
| 1000 | newIndex = tmpNewIndex; |
| 1001 | } |
| 1002 | } |
| 1003 | } |
| 1004 | } else { |
Winson | 8b1871d | 2015-11-20 09:56:20 -0800 | [diff] [blame] | 1005 | // No restrictions, lets just move to the new task (looping forward/backwards if |
| 1006 | // necessary) |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 1007 | int taskCount = mStack.getTaskCount(); |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1008 | newIndex = (newIndex + (forward ? -1 : 1) + taskCount) % taskCount; |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 1009 | } |
| 1010 | } else { |
Winson | 23b0d3f | 2016-02-15 17:43:01 -0800 | [diff] [blame] | 1011 | // We don't have a focused task |
| 1012 | float stackScroll = mStackScroller.getStackScroll(); |
| 1013 | ArrayList<Task> tasks = mStack.getStackTasks(); |
| 1014 | int taskCount = tasks.size(); |
| 1015 | if (forward) { |
| 1016 | // Walk backwards and focus the next task smaller than the current stack scroll |
| 1017 | for (newIndex = taskCount - 1; newIndex >= 0; newIndex--) { |
| 1018 | float taskP = mLayoutAlgorithm.getStackScrollForTask(tasks.get(newIndex)); |
| 1019 | if (Float.compare(taskP, stackScroll) <= 0) { |
| 1020 | break; |
| 1021 | } |
| 1022 | } |
| 1023 | } else { |
| 1024 | // Walk forwards and focus the next task larger than the current stack scroll |
| 1025 | for (newIndex = 0; newIndex < taskCount; newIndex++) { |
| 1026 | float taskP = mLayoutAlgorithm.getStackScrollForTask(tasks.get(newIndex)); |
| 1027 | if (Float.compare(taskP, stackScroll) >= 0) { |
| 1028 | break; |
| 1029 | } |
| 1030 | } |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 1031 | } |
| 1032 | } |
| 1033 | if (newIndex != -1) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1034 | boolean willScroll = setFocusedTask(newIndex, true /* scrollToTask */, |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1035 | true /* requestViewFocus */, timerIndicatorDuration); |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 1036 | if (willScroll && cancelWindowAnimations) { |
| 1037 | // As we iterate to the next/previous task, cancel any current/lagging window |
| 1038 | // transition animations |
| 1039 | EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(null)); |
| 1040 | } |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 1041 | } |
Winson Chung | a0e88b5 | 2014-08-11 19:25:42 -0700 | [diff] [blame] | 1042 | } |
| 1043 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1044 | /** |
| 1045 | * Resets the focused task. |
| 1046 | */ |
Winson | a0731a1 | 2015-12-02 15:10:14 -0800 | [diff] [blame] | 1047 | void resetFocusedTask(Task task) { |
| 1048 | if (task != null) { |
| 1049 | TaskView tv = getChildViewForTask(task); |
Winson Chung | fc33cdf | 2014-12-03 13:16:48 -0800 | [diff] [blame] | 1050 | if (tv != null) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1051 | tv.setFocusedState(false, false /* requestViewFocus */); |
Winson Chung | fc33cdf | 2014-12-03 13:16:48 -0800 | [diff] [blame] | 1052 | } |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 1053 | } |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1054 | mFocusedTask = null; |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 1055 | } |
| 1056 | |
Winson | 142af42 | 2015-11-09 10:39:57 -0800 | [diff] [blame] | 1057 | /** |
| 1058 | * Returns the focused task. |
| 1059 | */ |
| 1060 | Task getFocusedTask() { |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1061 | return mFocusedTask; |
Winson | 142af42 | 2015-11-09 10:39:57 -0800 | [diff] [blame] | 1062 | } |
| 1063 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1064 | @Override |
Winson Chung | ee44595 | 2014-09-09 16:12:59 +0200 | [diff] [blame] | 1065 | public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| 1066 | super.onInitializeAccessibilityEvent(event); |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 1067 | List<TaskView> taskViews = getTaskViews(); |
| 1068 | int taskViewCount = taskViews.size(); |
| 1069 | if (taskViewCount > 0) { |
| 1070 | TaskView backMostTask = taskViews.get(0); |
| 1071 | TaskView frontMostTask = taskViews.get(taskViewCount - 1); |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 1072 | event.setFromIndex(mStack.indexOfStackTask(backMostTask.getTask())); |
| 1073 | event.setToIndex(mStack.indexOfStackTask(frontMostTask.getTask())); |
Winson Chung | 296278a | 2015-12-17 12:09:02 -0500 | [diff] [blame] | 1074 | event.setContentDescription(frontMostTask.getTask().title); |
Winson Chung | ee44595 | 2014-09-09 16:12:59 +0200 | [diff] [blame] | 1075 | } |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 1076 | event.setItemCount(mStack.getTaskCount()); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1077 | |
| 1078 | int stackHeight = mLayoutAlgorithm.mStackRect.height(); |
| 1079 | event.setScrollY((int) (mStackScroller.getStackScroll() * stackHeight)); |
| 1080 | event.setMaxScrollY((int) (mLayoutAlgorithm.mMaxScrollP * stackHeight)); |
Winson Chung | ee44595 | 2014-09-09 16:12:59 +0200 | [diff] [blame] | 1081 | } |
| 1082 | |
| 1083 | @Override |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1084 | public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| 1085 | super.onInitializeAccessibilityNodeInfo(info); |
| 1086 | List<TaskView> taskViews = getTaskViews(); |
| 1087 | int taskViewCount = taskViews.size(); |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1088 | if (taskViewCount > 1 && mFocusedTask != null) { |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1089 | info.setScrollable(true); |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1090 | int focusedTaskIndex = mStack.indexOfStackTask(mFocusedTask); |
| 1091 | if (focusedTaskIndex > 0) { |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1092 | info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD); |
| 1093 | } |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 1094 | if (focusedTaskIndex < mStack.getTaskCount() - 1) { |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1095 | info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD); |
| 1096 | } |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | @Override |
Winson Chung | 4ab4d83 | 2015-12-11 10:25:46 -0500 | [diff] [blame] | 1101 | protected Parcelable onSaveInstanceState() { |
| 1102 | Bundle savedState = new Bundle(); |
| 1103 | savedState.putParcelable(KEY_SAVED_STATE_SUPER, super.onSaveInstanceState()); |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1104 | savedState.putInt(KEY_SAVED_STATE_LAYOUT_FOCUSED_STATE, mLayoutAlgorithm.getFocusState()); |
Winson Chung | 4ab4d83 | 2015-12-11 10:25:46 -0500 | [diff] [blame] | 1105 | savedState.putFloat(KEY_SAVED_STATE_LAYOUT_STACK_SCROLL, mStackScroller.getStackScroll()); |
| 1106 | return super.onSaveInstanceState(); |
| 1107 | } |
| 1108 | |
| 1109 | @Override |
| 1110 | protected void onRestoreInstanceState(Parcelable state) { |
| 1111 | Bundle savedState = (Bundle) state; |
| 1112 | super.onRestoreInstanceState(savedState.getParcelable(KEY_SAVED_STATE_SUPER)); |
| 1113 | |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1114 | mLayoutAlgorithm.setFocusState(savedState.getInt(KEY_SAVED_STATE_LAYOUT_FOCUSED_STATE)); |
Winson Chung | 4ab4d83 | 2015-12-11 10:25:46 -0500 | [diff] [blame] | 1115 | mStackScroller.setStackScroll(savedState.getFloat(KEY_SAVED_STATE_LAYOUT_STACK_SCROLL)); |
| 1116 | } |
| 1117 | |
| 1118 | @Override |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1119 | public CharSequence getAccessibilityClassName() { |
| 1120 | return TaskStackView.class.getName(); |
| 1121 | } |
| 1122 | |
| 1123 | @Override |
| 1124 | public boolean performAccessibilityAction(int action, Bundle arguments) { |
| 1125 | if (super.performAccessibilityAction(action, arguments)) { |
| 1126 | return true; |
| 1127 | } |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1128 | switch (action) { |
| 1129 | case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: { |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 1130 | setRelativeFocusedTask(true, false /* stackTasksOnly */, false /* animated */); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1131 | return true; |
| 1132 | } |
| 1133 | case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: { |
Winson | 1b58561 | 2015-11-06 09:16:26 -0800 | [diff] [blame] | 1134 | setRelativeFocusedTask(false, false /* stackTasksOnly */, false /* animated */); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1135 | return true; |
Winson Chung | 83ea6f7 | 2015-06-17 13:00:23 -0700 | [diff] [blame] | 1136 | } |
| 1137 | } |
| 1138 | return false; |
| 1139 | } |
| 1140 | |
| 1141 | @Override |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1142 | public boolean onInterceptTouchEvent(MotionEvent ev) { |
| 1143 | return mTouchHandler.onInterceptTouchEvent(ev); |
| 1144 | } |
| 1145 | |
| 1146 | @Override |
| 1147 | public boolean onTouchEvent(MotionEvent ev) { |
| 1148 | return mTouchHandler.onTouchEvent(ev); |
| 1149 | } |
| 1150 | |
| 1151 | @Override |
Winson Chung | d213a1e | 2014-10-02 11:18:30 -0700 | [diff] [blame] | 1152 | public boolean onGenericMotionEvent(MotionEvent ev) { |
| 1153 | return mTouchHandler.onGenericMotionEvent(ev); |
| 1154 | } |
| 1155 | |
| 1156 | @Override |
Winson Chung | d7b2cb1 | 2014-06-26 15:08:50 -0700 | [diff] [blame] | 1157 | public void computeScroll() { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1158 | if (mStackScroller.computeScroll()) { |
| 1159 | // Notify accessibility |
| 1160 | sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SCROLLED); |
| 1161 | } |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1162 | if (mDeferredTaskViewLayoutAnimation != null) { |
| 1163 | relayoutTaskViews(mDeferredTaskViewLayoutAnimation); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1164 | mTaskViewsClipDirty = true; |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1165 | mDeferredTaskViewLayoutAnimation = null; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1166 | } |
| 1167 | if (mTaskViewsClipDirty) { |
| 1168 | clipTaskViews(); |
| 1169 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1170 | } |
| 1171 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1172 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1173 | * Computes the maximum number of visible tasks and thumbnails. Requires that |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1174 | * updateLayoutForStack() is called first. |
Winson Chung | a91c293 | 2014-11-07 15:02:38 -0800 | [diff] [blame] | 1175 | */ |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 1176 | public TaskStackLayoutAlgorithm.VisibilityReport computeStackVisibilityReport() { |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 1177 | return mLayoutAlgorithm.computeStackVisibilityReport(mStack.getStackTasks()); |
Winson Chung | a91c293 | 2014-11-07 15:02:38 -0800 | [diff] [blame] | 1178 | } |
| 1179 | |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1180 | /** |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1181 | * Updates the system insets. |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1182 | */ |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1183 | public void setSystemInsets(Rect systemInsets) { |
Winson | 49df420 | 2016-01-25 17:33:34 -0800 | [diff] [blame] | 1184 | if (!systemInsets.equals(mLayoutAlgorithm.mSystemInsets)) { |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1185 | mStableLayoutAlgorithm.setSystemInsets(systemInsets); |
Winson | 49df420 | 2016-01-25 17:33:34 -0800 | [diff] [blame] | 1186 | mLayoutAlgorithm.setSystemInsets(systemInsets); |
Winson | 49df420 | 2016-01-25 17:33:34 -0800 | [diff] [blame] | 1187 | requestLayout(); |
| 1188 | } |
Winson | 147ecaf | 2015-09-16 16:49:55 -0700 | [diff] [blame] | 1189 | } |
| 1190 | |
Winson Chung | a91c293 | 2014-11-07 15:02:38 -0800 | [diff] [blame] | 1191 | /** |
Winson Chung | a4ccb86 | 2014-08-22 15:26:27 -0700 | [diff] [blame] | 1192 | * This is called with the full window width and height to allow stack view children to |
Winson Chung | dcfa797 | 2014-07-22 12:27:13 -0700 | [diff] [blame] | 1193 | * perform the full screen transition down. |
Winson Chung | f7bca43 | 2014-04-30 17:11:13 -0700 | [diff] [blame] | 1194 | */ |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1195 | @Override |
| 1196 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1197 | mInMeasureLayout = true; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1198 | int width = MeasureSpec.getSize(widthMeasureSpec); |
| 1199 | int height = MeasureSpec.getSize(heightMeasureSpec); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1200 | |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1201 | // Update the stable stack bounds, but only update the current stack bounds if the stable |
| 1202 | // bounds have changed. This is because we may get spurious measures while dragging where |
| 1203 | // our current stack bounds reflect the target drop region. |
| 1204 | mLayoutAlgorithm.getTaskStackBounds(new Rect(0, 0, width, height), |
Winson | 008ee15f | 2016-03-18 17:17:25 -0700 | [diff] [blame] | 1205 | mLayoutAlgorithm.mSystemInsets.top, mLayoutAlgorithm.mSystemInsets.right, mTmpRect); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1206 | if (!mTmpRect.equals(mStableStackBounds)) { |
| 1207 | mStableStackBounds.set(mTmpRect); |
| 1208 | mStackBounds.set(mTmpRect); |
| 1209 | mStableWindowRect.set(0, 0, width, height); |
| 1210 | mWindowRect.set(0, 0, width, height); |
| 1211 | } |
| 1212 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1213 | // Compute the rects in the stack algorithm |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1214 | mStableLayoutAlgorithm.initialize(mStableWindowRect, mStableStackBounds, |
| 1215 | TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack)); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1216 | mLayoutAlgorithm.initialize(mWindowRect, mStackBounds, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1217 | TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack)); |
| 1218 | updateLayoutAlgorithm(false /* boundScroll */, EMPTY_TASK_SET); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1219 | |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1220 | // If this is the first layout, then scroll to the front of the stack, then update the |
| 1221 | // TaskViews with the stack so that we can lay them out |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 1222 | if (mAwaitingFirstLayout || mInitialState != INITIAL_STATE_UPDATE_NONE) { |
| 1223 | updateToInitialState(mInitialState != INITIAL_STATE_UPDATE_LAYOUT_ONLY); |
| 1224 | mInitialState = INITIAL_STATE_UPDATE_NONE; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1225 | } |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1226 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1227 | // Rebind all the views, including the ignore ones |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1228 | bindVisibleTaskViews(mStackScroller.getStackScroll(), EMPTY_TASK_SET, |
| 1229 | false /* ignoreTaskOverrides */); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1230 | |
Winson Chung | dcfa797 | 2014-07-22 12:27:13 -0700 | [diff] [blame] | 1231 | // Measure each of the TaskViews |
Winson | a2236f1 | 2015-11-13 16:10:01 -0800 | [diff] [blame] | 1232 | mTmpTaskViews.clear(); |
| 1233 | mTmpTaskViews.addAll(getTaskViews()); |
| 1234 | mTmpTaskViews.addAll(mViewPool.getViews()); |
| 1235 | int taskViewCount = mTmpTaskViews.size(); |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 1236 | for (int i = 0; i < taskViewCount; i++) { |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1237 | measureTaskView(mTmpTaskViews.get(i)); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1238 | } |
| 1239 | |
| 1240 | setMeasuredDimension(width, height); |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1241 | mInMeasureLayout = false; |
| 1242 | } |
| 1243 | |
| 1244 | /** |
| 1245 | * Measures a TaskView. |
| 1246 | */ |
| 1247 | private void measureTaskView(TaskView tv) { |
| 1248 | if (tv.getBackground() != null) { |
| 1249 | tv.getBackground().getPadding(mTmpRect); |
| 1250 | } else { |
| 1251 | mTmpRect.setEmpty(); |
| 1252 | } |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1253 | Rect taskRect = mStableLayoutAlgorithm.mTaskRect; |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1254 | tv.measure( |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1255 | MeasureSpec.makeMeasureSpec(taskRect.width() + mTmpRect.left + mTmpRect.right, |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1256 | MeasureSpec.EXACTLY), |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1257 | MeasureSpec.makeMeasureSpec(taskRect.height() + mTmpRect.top + mTmpRect.bottom, |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1258 | MeasureSpec.EXACTLY)); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1259 | } |
| 1260 | |
| 1261 | @Override |
| 1262 | protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 1263 | // Layout each of the TaskViews |
Winson | a2236f1 | 2015-11-13 16:10:01 -0800 | [diff] [blame] | 1264 | mTmpTaskViews.clear(); |
| 1265 | mTmpTaskViews.addAll(getTaskViews()); |
| 1266 | mTmpTaskViews.addAll(mViewPool.getViews()); |
| 1267 | int taskViewCount = mTmpTaskViews.size(); |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 1268 | for (int i = 0; i < taskViewCount; i++) { |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1269 | layoutTaskView(mTmpTaskViews.get(i)); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1270 | } |
| 1271 | |
Jorim Jaggi | 7af8ea8 | 2015-11-09 15:28:34 +0100 | [diff] [blame] | 1272 | if (changed) { |
Winson | a2236f1 | 2015-11-13 16:10:01 -0800 | [diff] [blame] | 1273 | if (mStackScroller.isScrollOutOfBounds()) { |
| 1274 | mStackScroller.boundScroll(); |
| 1275 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1276 | } |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1277 | // Relayout all of the task views including the ignored ones |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1278 | relayoutTaskViews(AnimationProps.IMMEDIATE, EMPTY_TASK_SET); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1279 | clipTaskViews(); |
| 1280 | |
| 1281 | if (mAwaitingFirstLayout || !mEnterAnimationComplete) { |
| 1282 | mAwaitingFirstLayout = false; |
| 1283 | onFirstLayout(); |
Jorim Jaggi | 7af8ea8 | 2015-11-09 15:28:34 +0100 | [diff] [blame] | 1284 | } |
Winson Chung | dcfa797 | 2014-07-22 12:27:13 -0700 | [diff] [blame] | 1285 | } |
Winson Chung | 24cf152 | 2014-05-29 12:03:33 -0700 | [diff] [blame] | 1286 | |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1287 | /** |
| 1288 | * Lays out a TaskView. |
| 1289 | */ |
| 1290 | private void layoutTaskView(TaskView tv) { |
| 1291 | if (tv.getBackground() != null) { |
| 1292 | tv.getBackground().getPadding(mTmpRect); |
| 1293 | } else { |
| 1294 | mTmpRect.setEmpty(); |
| 1295 | } |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1296 | Rect taskRect = mStableLayoutAlgorithm.mTaskRect; |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1297 | tv.cancelTransformAnimation(); |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1298 | tv.layout(taskRect.left - mTmpRect.left, taskRect.top - mTmpRect.top, |
| 1299 | taskRect.right + mTmpRect.right, taskRect.bottom + mTmpRect.bottom); |
| 1300 | } |
| 1301 | |
Winson Chung | dcfa797 | 2014-07-22 12:27:13 -0700 | [diff] [blame] | 1302 | /** Handler for the first layout. */ |
| 1303 | void onFirstLayout() { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1304 | // Setup the view for the enter animation |
| 1305 | mAnimationHelper.prepareForEnterAnimation(); |
Winson Chung | 083baf9 | 2014-07-11 10:32:42 -0700 | [diff] [blame] | 1306 | |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1307 | // Animate in the freeform workspace |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1308 | int ffBgAlpha = mLayoutAlgorithm.getStackState().freeformBackgroundAlpha; |
| 1309 | animateFreeformWorkspaceBackgroundAlpha(ffBgAlpha, new AnimationProps(150, |
| 1310 | Interpolators.FAST_OUT_SLOW_IN)); |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1311 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1312 | // Set the task focused state without requesting view focus, and leave the focus animations |
| 1313 | // until after the enter-animation |
Winson | 5da4347 | 2015-11-04 17:39:55 -0800 | [diff] [blame] | 1314 | RecentsConfiguration config = Recents.getConfiguration(); |
| 1315 | RecentsActivityLaunchState launchState = config.getLaunchState(); |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1316 | int focusedTaskIndex = launchState.getInitialFocusTaskIndex(mStack.getTaskCount()); |
Winson | 5da4347 | 2015-11-04 17:39:55 -0800 | [diff] [blame] | 1317 | if (focusedTaskIndex != -1) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1318 | setFocusedTask(focusedTaskIndex, false /* scrollToTask */, |
Winson | 5da4347 | 2015-11-04 17:39:55 -0800 | [diff] [blame] | 1319 | false /* requestViewFocus */); |
Winson | 0983e02 | 2015-10-13 17:21:42 -0700 | [diff] [blame] | 1320 | } |
Winson Chung | 860e2d8 | 2014-12-04 11:43:02 -0800 | [diff] [blame] | 1321 | |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 1322 | // Update the stack action button visibility |
| 1323 | if (mStackScroller.getStackScroll() < SHOW_STACK_ACTION_BUTTON_SCROLL_THRESHOLD) { |
| 1324 | EventBus.getDefault().send(new ShowStackActionButtonEvent(false /* translate */)); |
Winson Chung | de750de | 2015-12-11 10:26:06 -0500 | [diff] [blame] | 1325 | } else { |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 1326 | EventBus.getDefault().send(new HideStackActionButtonEvent()); |
Winson | c29ff00 | 2015-11-20 16:00:45 -0800 | [diff] [blame] | 1327 | } |
Winson Chung | 24cf152 | 2014-05-29 12:03:33 -0700 | [diff] [blame] | 1328 | } |
| 1329 | |
Winson | 671e8f9 | 2016-01-12 13:16:56 -0800 | [diff] [blame] | 1330 | public boolean isTouchPointInView(float x, float y, TaskView tv) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1331 | mTmpRect.set(tv.getLeft(), tv.getTop(), tv.getRight(), tv.getBottom()); |
| 1332 | mTmpRect.offset((int) tv.getTranslationX(), (int) tv.getTranslationY()); |
| 1333 | return mTmpRect.contains((int) x, (int) y); |
| 1334 | } |
| 1335 | |
| 1336 | /** |
| 1337 | * Returns a non-ignored task in the {@param tasks} list that can be used as an achor when |
| 1338 | * calculating the scroll position before and after a layout change. |
| 1339 | */ |
| 1340 | public Task findAnchorTask(List<Task> tasks, MutableBoolean isFrontMostTask) { |
| 1341 | for (int i = tasks.size() - 1; i >= 0; i--) { |
| 1342 | Task task = tasks.get(i); |
| 1343 | |
| 1344 | // Ignore deleting tasks |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 1345 | if (isIgnoredTask(task)) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1346 | if (i == tasks.size() - 1) { |
| 1347 | isFrontMostTask.value = true; |
| 1348 | } |
| 1349 | continue; |
| 1350 | } |
| 1351 | return task; |
| 1352 | } |
| 1353 | return null; |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1354 | } |
| 1355 | |
Jorim Jaggi | 900fb48 | 2015-06-02 15:07:33 -0700 | [diff] [blame] | 1356 | @Override |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1357 | protected void onDraw(Canvas canvas) { |
| 1358 | super.onDraw(canvas); |
| 1359 | |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 1360 | // Draw the freeform workspace background |
Winson | 805578d | 2015-11-23 14:47:37 -0800 | [diff] [blame] | 1361 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 1362 | if (ssp.hasFreeformWorkspaceSupport()) { |
| 1363 | if (mFreeformWorkspaceBackground.getAlpha() > 0) { |
| 1364 | mFreeformWorkspaceBackground.draw(canvas); |
| 1365 | } |
Winson | 36a5a2c | 2015-10-29 18:04:39 -0700 | [diff] [blame] | 1366 | } |
Jorim Jaggi | 900fb48 | 2015-06-02 15:07:33 -0700 | [diff] [blame] | 1367 | } |
| 1368 | |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1369 | @Override |
| 1370 | protected boolean verifyDrawable(Drawable who) { |
| 1371 | if (who == mFreeformWorkspaceBackground) { |
| 1372 | return true; |
| 1373 | } |
| 1374 | return super.verifyDrawable(who); |
| 1375 | } |
| 1376 | |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 1377 | /** |
| 1378 | * Launches the freeform tasks. |
| 1379 | */ |
| 1380 | public boolean launchFreeformTasks() { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1381 | ArrayList<Task> tasks = mStack.getFreeformTasks(); |
| 1382 | if (!tasks.isEmpty()) { |
| 1383 | Task frontTask = tasks.get(tasks.size() - 1); |
| 1384 | if (frontTask != null && frontTask.isFreeformTask()) { |
| 1385 | EventBus.getDefault().send(new LaunchTaskEvent(getChildViewForTask(frontTask), |
| 1386 | frontTask, null, INVALID_STACK_ID, false)); |
| 1387 | return true; |
| 1388 | } |
Winson | a5e6b36 | 2015-11-02 17:17:20 -0800 | [diff] [blame] | 1389 | } |
| 1390 | return false; |
| 1391 | } |
| 1392 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1393 | /**** TaskStackCallbacks Implementation ****/ |
| 1394 | |
| 1395 | @Override |
Winson Chung | 0626677 | 2015-12-11 10:24:21 -0500 | [diff] [blame] | 1396 | public void onStackTaskAdded(TaskStack stack, Task newTask) { |
| 1397 | // Update the min/max scroll and animate other task views into their new positions |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1398 | updateLayoutAlgorithm(true /* boundScroll */); |
Winson Chung | 0626677 | 2015-12-11 10:24:21 -0500 | [diff] [blame] | 1399 | |
| 1400 | // Animate all the tasks into place |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1401 | relayoutTaskViews(new AnimationProps(DEFAULT_SYNC_STACK_DURATION, |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 1402 | Interpolators.FAST_OUT_SLOW_IN)); |
Winson Chung | 0626677 | 2015-12-11 10:24:21 -0500 | [diff] [blame] | 1403 | } |
| 1404 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1405 | /** |
| 1406 | * We expect that the {@link TaskView} associated with the removed task is already hidden. |
| 1407 | */ |
Winson Chung | 0626677 | 2015-12-11 10:24:21 -0500 | [diff] [blame] | 1408 | @Override |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1409 | public void onStackTaskRemoved(TaskStack stack, Task removedTask, boolean wasFrontMostTask, |
Winson | 2068408 | 2016-03-16 17:13:34 -0700 | [diff] [blame] | 1410 | Task newFrontMostTask, AnimationProps animation, boolean fromDockGesture) { |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1411 | if (mFocusedTask == removedTask) { |
Winson | a0731a1 | 2015-12-02 15:10:14 -0800 | [diff] [blame] | 1412 | resetFocusedTask(removedTask); |
| 1413 | } |
| 1414 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1415 | // Remove the view associated with this task, we can't rely on updateTransforms |
| 1416 | // to work here because the task is no longer in the list |
| 1417 | TaskView tv = getChildViewForTask(removedTask); |
| 1418 | if (tv != null) { |
| 1419 | mViewPool.returnViewToPool(tv); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1420 | } |
| 1421 | |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1422 | // Remove the task from the ignored set |
| 1423 | removeIgnoreTask(removedTask); |
| 1424 | |
| 1425 | // If requested, relayout with the given animation |
| 1426 | if (animation != null) { |
| 1427 | updateLayoutAlgorithm(true /* boundScroll */); |
| 1428 | relayoutTaskViews(animation); |
| 1429 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1430 | |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1431 | // Update the new front most task's action button |
| 1432 | if (mScreenPinningEnabled && newFrontMostTask != null) { |
Winson Chung | 1f24c7e | 2014-07-11 17:06:48 -0700 | [diff] [blame] | 1433 | TaskView frontTv = getChildViewForTask(newFrontMostTask); |
| 1434 | if (frontTv != null) { |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1435 | frontTv.showActionButton(true /* fadeIn */, DEFAULT_SYNC_STACK_DURATION); |
Winson Chung | 1f24c7e | 2014-07-11 17:06:48 -0700 | [diff] [blame] | 1436 | } |
| 1437 | } |
| 1438 | |
Winson | 397ae74 | 2015-11-20 11:27:33 -0800 | [diff] [blame] | 1439 | // If there are no remaining tasks, then just close recents |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 1440 | if (mStack.getTaskCount() == 0) { |
Winson | 2068408 | 2016-03-16 17:13:34 -0700 | [diff] [blame] | 1441 | EventBus.getDefault().send(new AllTaskViewsDismissedEvent(fromDockGesture |
| 1442 | ? R.string.recents_empty_message |
| 1443 | : R.string.recents_empty_message_dismissed_all)); |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1444 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1445 | } |
| 1446 | |
Winson | a1ededd | 2016-03-25 12:23:12 -0700 | [diff] [blame] | 1447 | @Override |
| 1448 | public void onStackTasksUpdated(TaskStack stack) { |
| 1449 | // Update the layout and immediately layout |
| 1450 | updateLayoutAlgorithm(false /* boundScroll */); |
| 1451 | relayoutTaskViews(AnimationProps.IMMEDIATE); |
| 1452 | |
| 1453 | // Rebind all the task views. This will not trigger new resources to be loaded |
| 1454 | // unless they have actually changed |
| 1455 | List<TaskView> taskViews = getTaskViews(); |
| 1456 | int taskViewCount = taskViews.size(); |
| 1457 | for (int i = 0; i < taskViewCount; i++) { |
| 1458 | TaskView tv = taskViews.get(i); |
| 1459 | bindTaskView(tv, tv.getTask()); |
| 1460 | } |
| 1461 | } |
| 1462 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1463 | /**** ViewPoolConsumer Implementation ****/ |
| 1464 | |
| 1465 | @Override |
| 1466 | public TaskView createView(Context context) { |
Winson Chung | 37c8d8e | 2014-03-24 14:53:07 -0700 | [diff] [blame] | 1467 | return (TaskView) mInflater.inflate(R.layout.recents_task_view, this, false); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1468 | } |
| 1469 | |
| 1470 | @Override |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 1471 | public void onReturnViewToPool(TaskView tv) { |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1472 | final Task task = tv.getTask(); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1473 | |
Winson | 4333694 | 2016-03-07 14:52:59 -0800 | [diff] [blame] | 1474 | // Unbind the task from the task view |
| 1475 | unbindTaskView(tv, task); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1476 | |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1477 | // Reset the view properties and view state |
Winson Chung | 8eaeb7d | 2014-06-25 15:10:59 -0700 | [diff] [blame] | 1478 | tv.resetViewProperties(); |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1479 | tv.setFocusedState(false, false /* requestViewFocus */); |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 1480 | tv.setClipViewInStack(false); |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1481 | if (mScreenPinningEnabled) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1482 | tv.hideActionButton(false /* fadeOut */, 0 /* duration */, false /* scaleDown */, null); |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1483 | } |
Winson | 3c10716 | 2016-01-22 15:53:00 -0800 | [diff] [blame] | 1484 | |
| 1485 | // Detach the view from the hierarchy |
| 1486 | detachViewFromParent(tv); |
| 1487 | // Update the task views list after removing the task view |
| 1488 | updateTaskViewsList(); |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1489 | } |
| 1490 | |
| 1491 | @Override |
Winson | 05e46ca | 2016-02-05 15:40:29 -0800 | [diff] [blame] | 1492 | public void onPickUpViewFromPool(TaskView tv, Task task, boolean isNewView) { |
Winson Chung | 8eaeb7d | 2014-06-25 15:10:59 -0700 | [diff] [blame] | 1493 | // Find the index where this task should be placed in the stack |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 1494 | int taskIndex = mStack.indexOfStackTask(task); |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1495 | int insertIndex = findTaskViewInsertIndex(task, taskIndex); |
Winson Chung | 8eaeb7d | 2014-06-25 15:10:59 -0700 | [diff] [blame] | 1496 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1497 | // Add/attach the view to the hierarchy |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1498 | if (isNewView) { |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1499 | if (mInMeasureLayout) { |
| 1500 | // If we are measuring the layout, then just add the view normally as it will be |
| 1501 | // laid out during the layout pass |
| 1502 | addView(tv, insertIndex); |
| 1503 | } else { |
| 1504 | // Otherwise, this is from a bindVisibleTaskViews() call outside the measure/layout |
| 1505 | // pass, and we should layout the new child ourselves |
| 1506 | ViewGroup.LayoutParams params = tv.getLayoutParams(); |
| 1507 | if (params == null) { |
| 1508 | params = generateDefaultLayoutParams(); |
| 1509 | } |
| 1510 | addViewInLayout(tv, insertIndex, params, true /* preventRequestLayout */); |
| 1511 | measureTaskView(tv); |
| 1512 | layoutTaskView(tv); |
| 1513 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1514 | } else { |
| 1515 | attachViewToParent(tv, insertIndex, tv.getLayoutParams()); |
| 1516 | } |
Winson Chung | 6ac8bd6 | 2015-01-07 16:38:35 -0800 | [diff] [blame] | 1517 | // Update the task views list after adding the new task view |
| 1518 | updateTaskViewsList(); |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 1519 | |
Winson | 4333694 | 2016-03-07 14:52:59 -0800 | [diff] [blame] | 1520 | // Bind the task view to the new task |
| 1521 | bindTaskView(tv, task); |
Winson | 3c10716 | 2016-01-22 15:53:00 -0800 | [diff] [blame] | 1522 | |
| 1523 | // If the doze trigger has already fired, then update the state for this task view |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1524 | if (mUIDozeTrigger.isAsleep()) { |
Winson Chung | bbb3d3d | 2016-01-30 01:09:20 +0000 | [diff] [blame] | 1525 | tv.setNoUserInteractionState(); |
| 1526 | } |
Winson | 3c10716 | 2016-01-22 15:53:00 -0800 | [diff] [blame] | 1527 | |
Winson Chung | b0a28ea | 2014-10-28 15:21:35 -0700 | [diff] [blame] | 1528 | // Set the new state for this view, including the callbacks and view clipping |
| 1529 | tv.setCallbacks(this); |
| 1530 | tv.setTouchEnabled(true); |
| 1531 | tv.setClipViewInStack(true); |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1532 | if (mFocusedTask == task) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1533 | tv.setFocusedState(true, false /* requestViewFocus */); |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1534 | if (mStartTimerIndicatorDuration > 0) { |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 1535 | // The timer indicator couldn't be started before, so start it now |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1536 | tv.getHeaderView().startFocusTimerIndicator(mStartTimerIndicatorDuration); |
| 1537 | mStartTimerIndicatorDuration = 0; |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 1538 | } |
Winson | a0731a1 | 2015-12-02 15:10:14 -0800 | [diff] [blame] | 1539 | } |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1540 | |
| 1541 | // Restore the action button visibility if it is the front most task view |
Winson | 35a8b04 | 2016-01-22 09:41:09 -0800 | [diff] [blame] | 1542 | if (mScreenPinningEnabled && tv.getTask() == |
| 1543 | mStack.getStackFrontMostTask(false /* includeFreeform */)) { |
Winson Chung | 931c51f | 2015-12-17 17:08:55 -0500 | [diff] [blame] | 1544 | tv.showActionButton(false /* fadeIn */, 0 /* fadeInDuration */); |
| 1545 | } |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1546 | } |
| 1547 | |
| 1548 | @Override |
| 1549 | public boolean hasPreferredData(TaskView tv, Task preferredData) { |
| 1550 | return (tv.getTask() == preferredData); |
| 1551 | } |
| 1552 | |
Winson | 4333694 | 2016-03-07 14:52:59 -0800 | [diff] [blame] | 1553 | private void bindTaskView(TaskView tv, Task task) { |
| 1554 | // Rebind the task and request that this task's data be filled into the TaskView |
| 1555 | tv.onTaskBound(task); |
| 1556 | |
| 1557 | // Load the task data |
| 1558 | Recents.getTaskLoader().loadTaskData(task, true /* fetchAndInvalidateThumbnails */); |
| 1559 | } |
| 1560 | |
| 1561 | private void unbindTaskView(TaskView tv, Task task) { |
| 1562 | // Report that this task's data is no longer being used |
| 1563 | Recents.getTaskLoader().unloadTaskData(task); |
| 1564 | } |
| 1565 | |
Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame] | 1566 | /**** TaskViewCallbacks Implementation ****/ |
| 1567 | |
| 1568 | @Override |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 1569 | public void onTaskViewClipStateChanged(TaskView tv) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1570 | if (!mTaskViewsClipDirty) { |
| 1571 | mTaskViewsClipDirty = true; |
| 1572 | invalidate(); |
| 1573 | } |
Winson Chung | 93748a1 | 2014-07-13 17:43:31 -0700 | [diff] [blame] | 1574 | } |
| 1575 | |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 1576 | /**** TaskStackLayoutAlgorithm.TaskStackLayoutAlgorithmCallbacks ****/ |
| 1577 | |
| 1578 | @Override |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1579 | public void onFocusStateChanged(int prevFocusState, int curFocusState) { |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 1580 | if (mDeferredTaskViewLayoutAnimation == null) { |
| 1581 | mUIDozeTrigger.poke(); |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1582 | relayoutTaskViewsOnNextFrame(AnimationProps.IMMEDIATE); |
Winson | 1c84614 | 2016-01-22 11:34:38 -0800 | [diff] [blame] | 1583 | } |
| 1584 | } |
| 1585 | |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 1586 | /**** TaskStackViewScroller.TaskStackViewScrollerCallbacks ****/ |
| 1587 | |
| 1588 | @Override |
Winson | 1499150 | 2016-02-15 15:40:08 -0800 | [diff] [blame] | 1589 | public void onStackScrollChanged(float prevScroll, float curScroll, AnimationProps animation) { |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 1590 | mUIDozeTrigger.poke(); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1591 | if (animation != null) { |
| 1592 | relayoutTaskViewsOnNextFrame(animation); |
| 1593 | } |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1594 | mLayoutAlgorithm.updateFocusStateOnScroll(curScroll, curScroll - prevScroll); |
Winson | c29ff00 | 2015-11-20 16:00:45 -0800 | [diff] [blame] | 1595 | |
Winson | 49df420 | 2016-01-25 17:33:34 -0800 | [diff] [blame] | 1596 | if (mEnterAnimationComplete) { |
Winson | 8f6ee48 | 2016-03-18 17:51:48 -0700 | [diff] [blame] | 1597 | if (prevScroll > SHOW_STACK_ACTION_BUTTON_SCROLL_THRESHOLD && |
| 1598 | curScroll <= SHOW_STACK_ACTION_BUTTON_SCROLL_THRESHOLD) { |
| 1599 | EventBus.getDefault().send(new ShowStackActionButtonEvent(true /* translate */)); |
| 1600 | } else if (prevScroll < HIDE_STACK_ACTION_BUTTON_SCROLL_THRESHOLD && |
| 1601 | curScroll >= HIDE_STACK_ACTION_BUTTON_SCROLL_THRESHOLD) { |
| 1602 | EventBus.getDefault().send(new HideStackActionButtonEvent()); |
Winson | 49df420 | 2016-01-25 17:33:34 -0800 | [diff] [blame] | 1603 | } |
Winson | c29ff00 | 2015-11-20 16:00:45 -0800 | [diff] [blame] | 1604 | } |
Winson Chung | 012ef36 | 2014-07-31 18:36:25 -0700 | [diff] [blame] | 1605 | } |
| 1606 | |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 1607 | /**** EventBus Events ****/ |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1608 | |
Winson | e6c9073 | 2015-09-24 16:06:29 -0700 | [diff] [blame] | 1609 | public final void onBusEvent(PackagesChangedEvent event) { |
Winson Chung | 0440067 | 2014-10-17 14:53:30 -0700 | [diff] [blame] | 1610 | // Compute which components need to be removed |
Winson | 5500390 | 2016-01-12 12:00:37 -0800 | [diff] [blame] | 1611 | ArraySet<ComponentName> removedComponents = mStack.computeComponentsRemoved( |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 1612 | event.packageName, event.userId); |
Winson Chung | 0440067 | 2014-10-17 14:53:30 -0700 | [diff] [blame] | 1613 | |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1614 | // For other tasks, just remove them directly if they no longer exist |
Winson | 250608a | 2015-11-24 15:00:31 -0800 | [diff] [blame] | 1615 | ArrayList<Task> tasks = mStack.getStackTasks(); |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1616 | for (int i = tasks.size() - 1; i >= 0; i--) { |
| 1617 | final Task t = tasks.get(i); |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 1618 | if (removedComponents.contains(t.key.getComponent())) { |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1619 | final TaskView tv = getChildViewForTask(t); |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1620 | if (tv != null) { |
| 1621 | // For visible children, defer removing the task until after the animation |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1622 | tv.dismissTask(); |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1623 | } else { |
| 1624 | // Otherwise, remove the task from the stack immediately |
Winson | 2068408 | 2016-03-16 17:13:34 -0700 | [diff] [blame] | 1625 | mStack.removeTask(t, AnimationProps.IMMEDIATE, false /* fromDockGesture */); |
Winson Chung | 9f49df9 | 2014-05-07 18:08:34 -0700 | [diff] [blame] | 1626 | } |
| 1627 | } |
| 1628 | } |
| 1629 | } |
Winson | 2536c7e | 2015-10-01 15:49:31 -0700 | [diff] [blame] | 1630 | |
Winson Chung | 48f2cda | 2015-12-11 13:20:12 -0500 | [diff] [blame] | 1631 | public final void onBusEvent(LaunchTaskEvent event) { |
| 1632 | // Cancel any doze triggers once a task is launched |
| 1633 | mUIDozeTrigger.stopDozing(); |
| 1634 | } |
| 1635 | |
Winson | b61e654 | 2016-02-04 14:37:18 -0800 | [diff] [blame] | 1636 | public final void onBusEvent(LaunchNextTaskRequestEvent event) { |
| 1637 | int launchTaskIndex = mStack.indexOfStackTask(mStack.getLaunchTarget()); |
| 1638 | if (launchTaskIndex != -1) { |
| 1639 | launchTaskIndex = Math.max(0, launchTaskIndex - 1); |
| 1640 | } else { |
| 1641 | launchTaskIndex = mStack.getTaskCount() - 1; |
| 1642 | } |
| 1643 | if (launchTaskIndex != -1) { |
| 1644 | // Stop all animations |
| 1645 | mUIDozeTrigger.stopDozing(); |
| 1646 | cancelAllTaskViewAnimations(); |
| 1647 | |
Winson | 96e6134 | 2016-03-15 16:47:19 -0700 | [diff] [blame] | 1648 | final Task launchTask = mStack.getStackTasks().get(launchTaskIndex); |
Winson | f8597b2 | 2016-03-23 18:44:26 -0700 | [diff] [blame] | 1649 | float curScroll = mStackScroller.getStackScroll(); |
| 1650 | float targetScroll = mLayoutAlgorithm.getStackScrollForTaskAtInitialOffset(launchTask); |
| 1651 | float absScrollDiff = Math.abs(targetScroll - curScroll); |
| 1652 | if (getChildViewForTask(launchTask) == null || absScrollDiff > 0.35f) { |
| 1653 | int duration = (int) (LAUNCH_NEXT_SCROLL_BASE_DURATION + |
| 1654 | absScrollDiff * LAUNCH_NEXT_SCROLL_INCR_DURATION); |
| 1655 | mStackScroller.animateScroll(targetScroll, |
Winson | 96e6134 | 2016-03-15 16:47:19 -0700 | [diff] [blame] | 1656 | duration, new Runnable() { |
| 1657 | @Override |
| 1658 | public void run() { |
| 1659 | EventBus.getDefault().send(new LaunchTaskEvent( |
| 1660 | getChildViewForTask(launchTask), launchTask, null, |
| 1661 | INVALID_STACK_ID, false /* screenPinningRequested */)); |
| 1662 | } |
| 1663 | }); |
| 1664 | } else { |
| 1665 | EventBus.getDefault().send(new LaunchTaskEvent(getChildViewForTask(launchTask), |
| 1666 | launchTask, null, INVALID_STACK_ID, false /* screenPinningRequested */)); |
| 1667 | } |
Winson | d934290 | 2016-02-25 10:18:33 -0800 | [diff] [blame] | 1668 | |
| 1669 | MetricsLogger.action(getContext(), MetricsEvent.OVERVIEW_LAUNCH_PREVIOUS_TASK, |
| 1670 | launchTask.key.getComponent().toString()); |
Winson | bc0f8cd | 2016-03-15 15:44:48 -0700 | [diff] [blame] | 1671 | } else if (mStack.getTaskCount() == 0) { |
| 1672 | // If there are no tasks, then just hide recents back to home. |
| 1673 | EventBus.getDefault().send(new HideRecentsEvent(false, true)); |
Winson | b61e654 | 2016-02-04 14:37:18 -0800 | [diff] [blame] | 1674 | } |
| 1675 | } |
| 1676 | |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1677 | public final void onBusEvent(LaunchTaskStartedEvent event) { |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1678 | mAnimationHelper.startLaunchTaskAnimation(event.taskView, event.screenPinningRequested, |
| 1679 | event.getAnimationTrigger()); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1680 | } |
Winson | 2536c7e | 2015-10-01 15:49:31 -0700 | [diff] [blame] | 1681 | |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1682 | public final void onBusEvent(DismissRecentsToHomeAnimationStarted event) { |
| 1683 | // Stop any scrolling |
| 1684 | mStackScroller.stopScroller(); |
| 1685 | mStackScroller.stopBoundScrollAnimation(); |
Winson | 2536c7e | 2015-10-01 15:49:31 -0700 | [diff] [blame] | 1686 | |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1687 | // Start the task animations |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1688 | mAnimationHelper.startExitToHomeAnimation(event.animated, event.getAnimationTrigger()); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1689 | |
| 1690 | // Dismiss the freeform workspace background |
Winson | 5044863 | 2016-02-01 18:04:59 -0800 | [diff] [blame] | 1691 | int taskViewExitToHomeDuration = TaskStackAnimationHelper.EXIT_TO_HOME_TRANSLATION_DURATION; |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1692 | animateFreeformWorkspaceBackgroundAlpha(0, new AnimationProps(taskViewExitToHomeDuration, |
| 1693 | Interpolators.FAST_OUT_SLOW_IN)); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1694 | } |
Winson | 42be431 | 2015-10-10 11:51:08 -0700 | [diff] [blame] | 1695 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1696 | public final void onBusEvent(DismissFocusedTaskViewEvent event) { |
Winson | aaf33bc | 2015-12-03 12:02:38 -0800 | [diff] [blame] | 1697 | if (mFocusedTask != null) { |
| 1698 | TaskView tv = getChildViewForTask(mFocusedTask); |
| 1699 | if (tv != null) { |
| 1700 | tv.dismissTask(); |
| 1701 | } |
| 1702 | resetFocusedTask(mFocusedTask); |
Winson | 2536c7e | 2015-10-01 15:49:31 -0700 | [diff] [blame] | 1703 | } |
| 1704 | } |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 1705 | |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1706 | public final void onBusEvent(final DismissTaskViewEvent event) { |
| 1707 | // For visible children, defer removing the task until after the animation |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1708 | mAnimationHelper.startDeleteTaskAnimation(event.task, event.taskView, |
| 1709 | event.getAnimationTrigger()); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1710 | } |
| 1711 | |
| 1712 | public final void onBusEvent(TaskViewDismissedEvent event) { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1713 | removeTaskViewFromStack(event.taskView, event.task); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1714 | EventBus.getDefault().send(new DeleteTaskDataEvent(event.task)); |
Winson | 4232952 | 2016-02-05 10:39:46 -0800 | [diff] [blame] | 1715 | |
| 1716 | MetricsLogger.action(getContext(), MetricsEvent.OVERVIEW_DISMISS, |
| 1717 | event.task.key.getComponent().toString()); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1718 | } |
| 1719 | |
| 1720 | public final void onBusEvent(FocusNextTaskViewEvent event) { |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1721 | // Stop any scrolling |
| 1722 | mStackScroller.stopScroller(); |
| 1723 | mStackScroller.stopBoundScrollAnimation(); |
| 1724 | |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 1725 | setRelativeFocusedTask(true, false /* stackTasksOnly */, true /* animated */, false, |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1726 | event.timerIndicatorDuration); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1727 | } |
| 1728 | |
| 1729 | public final void onBusEvent(FocusPreviousTaskViewEvent event) { |
Winson | 6647413 | 2016-02-23 18:45:47 -0800 | [diff] [blame] | 1730 | // Stop any scrolling |
| 1731 | mStackScroller.stopScroller(); |
| 1732 | mStackScroller.stopBoundScrollAnimation(); |
| 1733 | |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1734 | setRelativeFocusedTask(false, false /* stackTasksOnly */, true /* animated */); |
| 1735 | } |
| 1736 | |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 1737 | public final void onBusEvent(UserInteractionEvent event) { |
| 1738 | // Poke the doze trigger on user interaction |
| 1739 | mUIDozeTrigger.poke(); |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1740 | |
| 1741 | RecentsDebugFlags debugFlags = Recents.getDebugFlags(); |
| 1742 | if (debugFlags.isFastToggleRecentsEnabled() && mFocusedTask != null) { |
Winson | c5ef63f | 2016-01-21 14:39:23 -0800 | [diff] [blame] | 1743 | TaskView tv = getChildViewForTask(mFocusedTask); |
| 1744 | if (tv != null) { |
| 1745 | tv.getHeaderView().cancelFocusTimerIndicator(); |
| 1746 | } |
Peter Schiller | b124d56 | 2015-12-11 21:31:17 -0800 | [diff] [blame] | 1747 | } |
Winson | e7f138c | 2015-10-22 16:15:21 -0700 | [diff] [blame] | 1748 | } |
| 1749 | |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1750 | public final void onBusEvent(DragStartEvent event) { |
Winson | 70f0bf7 | 2016-02-01 14:05:29 -0800 | [diff] [blame] | 1751 | // Ensure that the drag task is not animated |
| 1752 | addIgnoreTask(event.task); |
| 1753 | |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1754 | if (event.task.isFreeformTask()) { |
| 1755 | // Animate to the front of the stack |
Winson | d952961 | 2016-01-28 13:29:49 -0800 | [diff] [blame] | 1756 | mStackScroller.animateScroll(mLayoutAlgorithm.mInitialScrollP, null); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1757 | } |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1758 | |
| 1759 | // Enlarge the dragged view slightly |
| 1760 | float finalScale = event.taskView.getScaleX() * DRAG_SCALE_FACTOR; |
| 1761 | mLayoutAlgorithm.getStackTransform(event.task, getScroller().getStackScroll(), |
| 1762 | mTmpTransform, null); |
| 1763 | mTmpTransform.scale = finalScale; |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1764 | mTmpTransform.translationZ = mLayoutAlgorithm.mMaxTranslationZ + 1; |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1765 | updateTaskViewToTransform(event.taskView, mTmpTransform, |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1766 | new AnimationProps(DRAG_SCALE_DURATION, Interpolators.FAST_OUT_SLOW_IN)); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1767 | } |
| 1768 | |
| 1769 | public final void onBusEvent(DragStartInitializeDropTargetsEvent event) { |
| 1770 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 1771 | if (ssp.hasFreeformWorkspaceSupport()) { |
| 1772 | event.handler.registerDropTargetForCurrentDrag(mStackDropTarget); |
| 1773 | event.handler.registerDropTargetForCurrentDrag(mFreeformWorkspaceDropTarget); |
| 1774 | } |
| 1775 | } |
| 1776 | |
| 1777 | public final void onBusEvent(DragDropTargetChangedEvent event) { |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1778 | AnimationProps animation = new AnimationProps(250, Interpolators.FAST_OUT_SLOW_IN); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1779 | boolean ignoreTaskOverrides = false; |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1780 | if (event.dropTarget instanceof TaskStack.DockState) { |
| 1781 | // Calculate the new task stack bounds that matches the window size that Recents will |
| 1782 | // have after the drop |
| 1783 | final TaskStack.DockState dockState = (TaskStack.DockState) event.dropTarget; |
| 1784 | mStackBounds.set(dockState.getDockedTaskStackBounds(getMeasuredWidth(), |
| 1785 | getMeasuredHeight(), mDividerSize, mLayoutAlgorithm.mSystemInsets, |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1786 | mLayoutAlgorithm, getResources(), mWindowRect)); |
| 1787 | mLayoutAlgorithm.initialize(mWindowRect, mStackBounds, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1788 | TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack)); |
| 1789 | updateLayoutAlgorithm(true /* boundScroll */); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1790 | ignoreTaskOverrides = true; |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1791 | } else { |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1792 | // Restore the pre-drag task stack bounds, but ensure that we don't layout the dragging |
| 1793 | // task view, so add it back to the ignore set after updating the layout |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1794 | mWindowRect.set(mStableWindowRect); |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1795 | mStackBounds.set(mStableStackBounds); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1796 | removeIgnoreTask(event.task); |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1797 | mLayoutAlgorithm.initialize(mWindowRect, mStackBounds, |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1798 | TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack)); |
| 1799 | updateLayoutAlgorithm(true /* boundScroll */); |
| 1800 | addIgnoreTask(event.task); |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1801 | } |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1802 | relayoutTaskViews(animation, mIgnoreTasks, ignoreTaskOverrides); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1803 | } |
| 1804 | |
| 1805 | public final void onBusEvent(final DragEndEvent event) { |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1806 | // We don't handle drops on the dock regions |
| 1807 | if (event.dropTarget instanceof TaskStack.DockState) { |
Winson | 59924fe | 2016-03-17 14:13:18 -0700 | [diff] [blame] | 1808 | // However, we do need to reset the overrides, since the last state of this task stack |
| 1809 | // view layout was ignoring task overrides (see DragDropTargetChangedEvent handler) |
| 1810 | mLayoutAlgorithm.clearUnfocusedTaskOverrides(); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1811 | return; |
| 1812 | } |
| 1813 | |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1814 | boolean isFreeformTask = event.task.isFreeformTask(); |
| 1815 | boolean hasChangedStacks = |
| 1816 | (!isFreeformTask && event.dropTarget == mFreeformWorkspaceDropTarget) || |
| 1817 | (isFreeformTask && event.dropTarget == mStackDropTarget); |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1818 | |
Winson | 5b7dd53 | 2015-12-01 16:02:12 -0800 | [diff] [blame] | 1819 | if (hasChangedStacks) { |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1820 | // Move the task to the right position in the stack (ie. the front of the stack if |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1821 | // freeform or the front of the stack if fullscreen). Note, we MUST move the tasks |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1822 | // before we update their stack ids, otherwise, the keys will have changed. |
| 1823 | if (event.dropTarget == mFreeformWorkspaceDropTarget) { |
| 1824 | mStack.moveTaskToStack(event.task, FREEFORM_WORKSPACE_STACK_ID); |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1825 | } else if (event.dropTarget == mStackDropTarget) { |
| 1826 | mStack.moveTaskToStack(event.task, FULLSCREEN_WORKSPACE_STACK_ID); |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1827 | } |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1828 | updateLayoutAlgorithm(true /* boundScroll */); |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1829 | |
| 1830 | // Move the task to the new stack in the system after the animation completes |
Winson Chung | aaeaac1 | 2015-12-16 16:49:36 -0500 | [diff] [blame] | 1831 | event.addPostAnimationCallback(new Runnable() { |
Winson | 479f744 | 2015-11-25 15:16:27 -0800 | [diff] [blame] | 1832 | @Override |
| 1833 | public void run() { |
| 1834 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 1835 | ssp.moveTaskToStack(event.task.key.id, event.task.key.stackId); |
| 1836 | } |
| 1837 | }); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1838 | } |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1839 | |
Winson | bb41095 | 2015-12-04 14:34:11 -0800 | [diff] [blame] | 1840 | // We translated the view but we need to animate it back from the current layout-space rect |
| 1841 | // to its final layout-space rect |
| 1842 | int x = (int) event.taskView.getTranslationX(); |
| 1843 | int y = (int) event.taskView.getTranslationY(); |
| 1844 | Rect taskViewRect = new Rect(event.taskView.getLeft(), event.taskView.getTop(), |
| 1845 | event.taskView.getRight(), event.taskView.getBottom()); |
| 1846 | taskViewRect.offset(x, y); |
| 1847 | event.taskView.setTranslationX(0); |
| 1848 | event.taskView.setTranslationY(0); |
| 1849 | event.taskView.setLeftTopRightBottom(taskViewRect.left, taskViewRect.top, |
| 1850 | taskViewRect.right, taskViewRect.bottom); |
| 1851 | |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 1852 | // Animate the non-drag TaskViews back into position |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1853 | mLayoutAlgorithm.getStackTransform(event.task, getScroller().getStackScroll(), |
| 1854 | mTmpTransform, null); |
| 1855 | event.getAnimationTrigger().increment(); |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1856 | relayoutTaskViews(new AnimationProps(DEFAULT_SYNC_STACK_DURATION, |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 1857 | Interpolators.FAST_OUT_SLOW_IN)); |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 1858 | |
| 1859 | // Animate the drag TaskView back into position |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1860 | updateTaskViewToTransform(event.taskView, mTmpTransform, |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1861 | new AnimationProps(DEFAULT_SYNC_STACK_DURATION, Interpolators.FAST_OUT_SLOW_IN, |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1862 | event.getAnimationTrigger().decrementOnAnimationEnd())); |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1863 | removeIgnoreTask(event.task); |
Winson | eca4ab6 | 2015-11-04 10:50:28 -0800 | [diff] [blame] | 1864 | } |
| 1865 | |
Winson | 8b1871d | 2015-11-20 09:56:20 -0800 | [diff] [blame] | 1866 | public final void onBusEvent(IterateRecentsEvent event) { |
Winson Chung | d6b78a3 | 2015-12-15 10:22:45 -0500 | [diff] [blame] | 1867 | if (!mEnterAnimationComplete) { |
| 1868 | // Cancel the previous task's window transition before animating the focused state |
| 1869 | EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(null)); |
| 1870 | } |
Winson | 8b1871d | 2015-11-20 09:56:20 -0800 | [diff] [blame] | 1871 | } |
| 1872 | |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 1873 | public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) { |
| 1874 | mEnterAnimationComplete = true; |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1875 | |
Winson | 4b057c6 | 2016-01-12 15:01:52 -0800 | [diff] [blame] | 1876 | if (mStack.getTaskCount() > 0) { |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1877 | // Start the task enter animations |
Winson | f24f216 | 2016-01-05 12:11:55 -0800 | [diff] [blame] | 1878 | mAnimationHelper.startEnterAnimation(event.getAnimationTrigger()); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1879 | |
| 1880 | // Add a runnable to the post animation ref counter to clear all the views |
| 1881 | event.addPostAnimationCallback(new Runnable() { |
| 1882 | @Override |
| 1883 | public void run() { |
| 1884 | // Start the dozer to trigger to trigger any UI that shows after a timeout |
| 1885 | mUIDozeTrigger.startDozing(); |
| 1886 | |
| 1887 | // Update the focused state here -- since we only set the focused task without |
| 1888 | // requesting view focus in onFirstLayout(), actually request view focus and |
| 1889 | // animate the focused state if we are alt-tabbing now, after the window enter |
| 1890 | // animation is completed |
| 1891 | if (mFocusedTask != null) { |
| 1892 | RecentsConfiguration config = Recents.getConfiguration(); |
| 1893 | RecentsActivityLaunchState launchState = config.getLaunchState(); |
| 1894 | setFocusedTask(mStack.indexOfStackTask(mFocusedTask), |
| 1895 | false /* scrollToTask */, launchState.launchedWithAltTab); |
| 1896 | } |
Winson | 4b9cded | 2016-01-26 16:26:47 -0800 | [diff] [blame] | 1897 | |
| 1898 | EventBus.getDefault().send(new EnterRecentsTaskStackAnimationCompletedEvent()); |
Winson | ef06413 | 2016-01-05 12:11:31 -0800 | [diff] [blame] | 1899 | } |
| 1900 | }); |
| 1901 | } |
Winson | e5f1faa | 2015-11-20 12:26:23 -0800 | [diff] [blame] | 1902 | } |
| 1903 | |
Winson | b1e71d0 | 2015-11-23 12:40:23 -0800 | [diff] [blame] | 1904 | public final void onBusEvent(UpdateFreeformTaskViewVisibilityEvent event) { |
| 1905 | List<TaskView> taskViews = getTaskViews(); |
| 1906 | int taskViewCount = taskViews.size(); |
| 1907 | for (int i = 0; i < taskViewCount; i++) { |
| 1908 | TaskView tv = taskViews.get(i); |
| 1909 | Task task = tv.getTask(); |
Winson Chung | 296278a | 2015-12-17 12:09:02 -0500 | [diff] [blame] | 1910 | if (task.isFreeformTask()) { |
Winson | b1e71d0 | 2015-11-23 12:40:23 -0800 | [diff] [blame] | 1911 | tv.setVisibility(event.visible ? View.VISIBLE : View.INVISIBLE); |
| 1912 | } |
| 1913 | } |
| 1914 | } |
| 1915 | |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 1916 | public final void onBusEvent(MultiWindowStateChangedEvent event) { |
Winson | 931845f | 2016-02-24 19:38:41 -0800 | [diff] [blame] | 1917 | if (!event.inMultiWindow) { |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 1918 | // Scroll the stack to the front to see the undocked task |
| 1919 | mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP, new Runnable() { |
Winson | 931845f | 2016-02-24 19:38:41 -0800 | [diff] [blame] | 1920 | @Override |
| 1921 | public void run() { |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame] | 1922 | List<TaskView> taskViews = getTaskViews(); |
| 1923 | int taskViewCount = taskViews.size(); |
| 1924 | for (int i = 0; i < taskViewCount; i++) { |
| 1925 | TaskView tv = taskViews.get(i); |
| 1926 | tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled, |
| 1927 | tv.mIsDisabledInSafeMode); |
| 1928 | } |
Winson | 931845f | 2016-02-24 19:38:41 -0800 | [diff] [blame] | 1929 | } |
| 1930 | }); |
| 1931 | } |
Winson | d952961 | 2016-01-28 13:29:49 -0800 | [diff] [blame] | 1932 | } |
| 1933 | |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1934 | public final void onBusEvent(ConfigurationChangedEvent event) { |
Winson | f9357d9 | 2016-03-25 15:14:37 -0700 | [diff] [blame] | 1935 | mStableLayoutAlgorithm.reloadOnConfigurationChange(getContext()); |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1936 | mLayoutAlgorithm.reloadOnConfigurationChange(getContext()); |
Winson | 619e40c | 2016-03-25 16:12:35 -0700 | [diff] [blame] | 1937 | |
| 1938 | // Notify the task views of the configuration change so they can reload their resources |
| 1939 | if (!event.fromMultiWindow) { |
| 1940 | mTmpTaskViews.clear(); |
| 1941 | mTmpTaskViews.addAll(getTaskViews()); |
| 1942 | mTmpTaskViews.addAll(mViewPool.getViews()); |
| 1943 | int taskViewCount = mTmpTaskViews.size(); |
| 1944 | for (int i = 0; i < taskViewCount; i++) { |
| 1945 | mTmpTaskViews.get(i).onConfigurationChanged(); |
| 1946 | } |
| 1947 | } |
| 1948 | |
| 1949 | // Trigger a new layout and scroll to the initial state |
| 1950 | mInitialState = event.fromMultiWindow |
| 1951 | ? INITIAL_STATE_UPDATE_ALL |
| 1952 | : INITIAL_STATE_UPDATE_LAYOUT_ONLY; |
| 1953 | requestLayout(); |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 1954 | } |
| 1955 | |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1956 | /** |
| 1957 | * Removes the task from the stack, and updates the focus to the next task in the stack if the |
| 1958 | * removed TaskView was focused. |
| 1959 | */ |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1960 | private void removeTaskViewFromStack(TaskView tv, Task task) { |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1961 | // Announce for accessibility |
| 1962 | tv.announceForAccessibility(getContext().getString( |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1963 | R.string.accessibility_recents_item_dismissed, task.title)); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1964 | |
| 1965 | // Remove the task from the stack |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1966 | mStack.removeTask(task, new AnimationProps(DEFAULT_SYNC_STACK_DURATION, |
Winson | 2068408 | 2016-03-16 17:13:34 -0700 | [diff] [blame] | 1967 | Interpolators.FAST_OUT_SLOW_IN), false /* fromDockGesture */); |
Winson | 0d14d4d | 2015-10-26 17:05:04 -0700 | [diff] [blame] | 1968 | } |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1969 | |
| 1970 | /** |
| 1971 | * Starts an alpha animation on the freeform workspace background. |
| 1972 | */ |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1973 | private void animateFreeformWorkspaceBackgroundAlpha(int targetAlpha, |
| 1974 | AnimationProps animation) { |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1975 | if (mFreeformWorkspaceBackground.getAlpha() == targetAlpha) { |
| 1976 | return; |
| 1977 | } |
| 1978 | |
| 1979 | Utilities.cancelAnimationWithoutCallbacks(mFreeformWorkspaceBackgroundAnimator); |
| 1980 | mFreeformWorkspaceBackgroundAnimator = ObjectAnimator.ofInt(mFreeformWorkspaceBackground, |
Winson | 3e87474 | 2016-01-07 10:08:17 -0800 | [diff] [blame] | 1981 | Utilities.DRAWABLE_ALPHA, mFreeformWorkspaceBackground.getAlpha(), targetAlpha); |
Winson | be8e696 | 2016-02-01 14:27:52 -0800 | [diff] [blame] | 1982 | mFreeformWorkspaceBackgroundAnimator.setStartDelay( |
| 1983 | animation.getDuration(AnimationProps.ALPHA)); |
| 1984 | mFreeformWorkspaceBackgroundAnimator.setDuration( |
| 1985 | animation.getDuration(AnimationProps.ALPHA)); |
| 1986 | mFreeformWorkspaceBackgroundAnimator.setInterpolator( |
| 1987 | animation.getInterpolator(AnimationProps.ALPHA)); |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1988 | mFreeformWorkspaceBackgroundAnimator.start(); |
| 1989 | } |
| 1990 | |
| 1991 | /** |
Winson | 8aa9959 | 2016-01-19 15:07:07 -0800 | [diff] [blame] | 1992 | * Returns the insert index for the task in the current set of task views. If the given task |
Winson | a78a8f3 | 2015-12-03 10:55:01 -0800 | [diff] [blame] | 1993 | * is already in the task view list, then this method returns the insert index assuming it |
| 1994 | * is first removed at the previous index. |
| 1995 | * |
| 1996 | * @param task the task we are finding the index for |
| 1997 | * @param taskIndex the index of the task in the stack |
| 1998 | */ |
| 1999 | private int findTaskViewInsertIndex(Task task, int taskIndex) { |
| 2000 | if (taskIndex != -1) { |
| 2001 | List<TaskView> taskViews = getTaskViews(); |
| 2002 | boolean foundTaskView = false; |
| 2003 | int taskViewCount = taskViews.size(); |
| 2004 | for (int i = 0; i < taskViewCount; i++) { |
| 2005 | Task tvTask = taskViews.get(i).getTask(); |
| 2006 | if (tvTask == task) { |
| 2007 | foundTaskView = true; |
| 2008 | } else if (taskIndex < mStack.indexOfStackTask(tvTask)) { |
| 2009 | if (foundTaskView) { |
| 2010 | return i - 1; |
| 2011 | } else { |
| 2012 | return i; |
| 2013 | } |
| 2014 | } |
| 2015 | } |
| 2016 | } |
| 2017 | return -1; |
| 2018 | } |
Winson Chung | de750de | 2015-12-11 10:26:06 -0500 | [diff] [blame] | 2019 | |
| 2020 | /** |
Winson | 6ea2588 | 2016-01-13 10:59:04 -0800 | [diff] [blame] | 2021 | * Reads current system flags related to accessibility and screen pinning. |
| 2022 | */ |
| 2023 | private void readSystemFlags() { |
| 2024 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 2025 | mTouchExplorationEnabled = ssp.isTouchExplorationEnabled(); |
| 2026 | mScreenPinningEnabled = ssp.getSystemSetting(getContext(), |
| 2027 | Settings.System.LOCK_TO_APP_ENABLED) != 0; |
| 2028 | } |
Winson Chung | a4cc966 | 2014-07-25 12:10:38 -0700 | [diff] [blame] | 2029 | } |