Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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.camera.ui; |
| 18 | |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 19 | import android.animation.Animator; |
| 20 | import android.animation.Animator.AnimatorListener; |
| 21 | import android.animation.ValueAnimator; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 22 | import android.content.Context; |
| 23 | import android.content.res.Resources; |
| 24 | import android.graphics.Canvas; |
| 25 | import android.graphics.Color; |
| 26 | import android.graphics.Paint; |
| 27 | import android.graphics.Path; |
| 28 | import android.graphics.Point; |
| 29 | import android.graphics.PointF; |
| 30 | import android.graphics.RectF; |
| 31 | import android.os.Handler; |
| 32 | import android.os.Message; |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 33 | import android.util.FloatMath; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 34 | import android.view.MotionEvent; |
| 35 | import android.view.ViewConfiguration; |
| 36 | import android.view.animation.Animation; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 37 | import android.view.animation.Transformation; |
| 38 | |
Angus Kong | 2bca210 | 2014-03-11 16:27:30 -0700 | [diff] [blame^] | 39 | import com.android.camera.debug.Log; |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 40 | import com.android.camera.drawable.TextDrawable; |
Sascha Haeberling | 8e963a5 | 2013-08-06 11:43:02 -0700 | [diff] [blame] | 41 | import com.android.camera2.R; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 42 | |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 43 | import java.util.ArrayList; |
| 44 | import java.util.List; |
| 45 | |
Sascha Haeberling | e0ecc64 | 2013-11-07 13:43:33 -0800 | [diff] [blame] | 46 | /** |
| 47 | * An overlay renderer that is used to display focus state and progress state. |
| 48 | */ |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 49 | public class PieRenderer extends OverlayRenderer |
| 50 | implements FocusIndicator { |
| 51 | |
Angus Kong | 2bca210 | 2014-03-11 16:27:30 -0700 | [diff] [blame^] | 52 | private static final Log.Tag TAG = new Log.Tag("PieRenderer"); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 53 | |
| 54 | // Sometimes continuous autofocus starts and stops several times quickly. |
| 55 | // These states are used to make sure the animation is run for at least some |
| 56 | // time. |
| 57 | private volatile int mState; |
| 58 | private ScaleAnimation mAnimation = new ScaleAnimation(); |
| 59 | private static final int STATE_IDLE = 0; |
| 60 | private static final int STATE_FOCUSING = 1; |
| 61 | private static final int STATE_FINISHING = 2; |
| 62 | private static final int STATE_PIE = 8; |
| 63 | |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 64 | private static final float MATH_PI_2 = (float)(Math.PI / 2); |
| 65 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 66 | private Runnable mDisappear = new Disappear(); |
| 67 | private Animation.AnimationListener mEndAction = new EndAction(); |
| 68 | private static final int SCALING_UP_TIME = 600; |
| 69 | private static final int SCALING_DOWN_TIME = 100; |
| 70 | private static final int DISAPPEAR_TIMEOUT = 200; |
| 71 | private static final int DIAL_HORIZONTAL = 157; |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 72 | // fade out timings |
| 73 | private static final int PIE_FADE_OUT_DURATION = 600; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 74 | |
| 75 | private static final long PIE_FADE_IN_DURATION = 200; |
| 76 | private static final long PIE_XFADE_DURATION = 200; |
| 77 | private static final long PIE_SELECT_FADE_DURATION = 300; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 78 | private static final long PIE_OPEN_SUB_DELAY = 400; |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 79 | private static final long PIE_SLICE_DURATION = 80; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 80 | |
| 81 | private static final int MSG_OPEN = 0; |
| 82 | private static final int MSG_CLOSE = 1; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 83 | private static final int MSG_OPENSUBMENU = 2; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 84 | |
| 85 | protected static float CENTER = (float) Math.PI / 2; |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 86 | protected static float RAD24 = (float)(24 * Math.PI / 180); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 87 | protected static final float SWEEP_SLICE = 0.14f; |
| 88 | protected static final float SWEEP_ARC = 0.23f; |
| 89 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 90 | // geometry |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 91 | private int mRadius; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 92 | private int mRadiusInc; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 93 | |
| 94 | // the detection if touch is inside a slice is offset |
| 95 | // inbounds by this amount to allow the selection to show before the |
| 96 | // finger covers it |
| 97 | private int mTouchOffset; |
| 98 | |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 99 | private List<PieItem> mOpen; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 100 | |
| 101 | private Paint mSelectedPaint; |
| 102 | private Paint mSubPaint; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 103 | private Paint mMenuArcPaint; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 104 | |
| 105 | // touch handling |
| 106 | private PieItem mCurrentItem; |
| 107 | |
| 108 | private Paint mFocusPaint; |
| 109 | private int mSuccessColor; |
| 110 | private int mFailColor; |
| 111 | private int mCircleSize; |
| 112 | private int mFocusX; |
| 113 | private int mFocusY; |
| 114 | private int mCenterX; |
| 115 | private int mCenterY; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 116 | private int mArcCenterY; |
| 117 | private int mSliceCenterY; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 118 | private int mPieCenterX; |
| 119 | private int mPieCenterY; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 120 | private int mSliceRadius; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 121 | private int mArcRadius; |
| 122 | private int mArcOffset; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 123 | |
| 124 | private int mDialAngle; |
| 125 | private RectF mCircle; |
| 126 | private RectF mDial; |
| 127 | private Point mPoint1; |
| 128 | private Point mPoint2; |
| 129 | private int mStartAnimationAngle; |
| 130 | private boolean mFocused; |
| 131 | private int mInnerOffset; |
| 132 | private int mOuterStroke; |
| 133 | private int mInnerStroke; |
| 134 | private boolean mTapMode; |
| 135 | private boolean mBlockFocus; |
| 136 | private int mTouchSlopSquared; |
| 137 | private Point mDown; |
| 138 | private boolean mOpening; |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 139 | private ValueAnimator mXFade; |
| 140 | private ValueAnimator mFadeIn; |
| 141 | private ValueAnimator mFadeOut; |
| 142 | private ValueAnimator mSlice; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 143 | private volatile boolean mFocusCancelled; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 144 | private PointF mPolar = new PointF(); |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 145 | private TextDrawable mLabel; |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 146 | private int mDeadZone; |
| 147 | private int mAngleZone; |
| 148 | private float mCenterAngle; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 149 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 150 | private Handler mHandler = new Handler() { |
| 151 | public void handleMessage(Message msg) { |
| 152 | switch(msg.what) { |
| 153 | case MSG_OPEN: |
| 154 | if (mListener != null) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 155 | mListener.onPieOpened(mPieCenterX, mPieCenterY); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 156 | } |
| 157 | break; |
| 158 | case MSG_CLOSE: |
| 159 | if (mListener != null) { |
| 160 | mListener.onPieClosed(); |
| 161 | } |
| 162 | break; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 163 | case MSG_OPENSUBMENU: |
| 164 | onEnterOpen(); |
| 165 | break; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 166 | } |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 167 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 168 | } |
| 169 | }; |
| 170 | |
| 171 | private PieListener mListener; |
| 172 | |
| 173 | static public interface PieListener { |
| 174 | public void onPieOpened(int centerX, int centerY); |
| 175 | public void onPieClosed(); |
| 176 | } |
| 177 | |
| 178 | public void setPieListener(PieListener pl) { |
| 179 | mListener = pl; |
| 180 | } |
| 181 | |
| 182 | public PieRenderer(Context context) { |
| 183 | init(context); |
| 184 | } |
| 185 | |
| 186 | private void init(Context ctx) { |
| 187 | setVisible(false); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 188 | mOpen = new ArrayList<PieItem>(); |
| 189 | mOpen.add(new PieItem(null, 0)); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 190 | Resources res = ctx.getResources(); |
| 191 | mRadius = (int) res.getDimensionPixelSize(R.dimen.pie_radius_start); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 192 | mRadiusInc = (int) res.getDimensionPixelSize(R.dimen.pie_radius_increment); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 193 | mCircleSize = mRadius - res.getDimensionPixelSize(R.dimen.focus_radius_offset); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 194 | mTouchOffset = (int) res.getDimensionPixelSize(R.dimen.pie_touch_offset); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 195 | mSelectedPaint = new Paint(); |
| 196 | mSelectedPaint.setColor(Color.argb(255, 51, 181, 229)); |
| 197 | mSelectedPaint.setAntiAlias(true); |
| 198 | mSubPaint = new Paint(); |
| 199 | mSubPaint.setAntiAlias(true); |
| 200 | mSubPaint.setColor(Color.argb(200, 250, 230, 128)); |
| 201 | mFocusPaint = new Paint(); |
| 202 | mFocusPaint.setAntiAlias(true); |
| 203 | mFocusPaint.setColor(Color.WHITE); |
| 204 | mFocusPaint.setStyle(Paint.Style.STROKE); |
| 205 | mSuccessColor = Color.GREEN; |
| 206 | mFailColor = Color.RED; |
| 207 | mCircle = new RectF(); |
| 208 | mDial = new RectF(); |
| 209 | mPoint1 = new Point(); |
| 210 | mPoint2 = new Point(); |
| 211 | mInnerOffset = res.getDimensionPixelSize(R.dimen.focus_inner_offset); |
| 212 | mOuterStroke = res.getDimensionPixelSize(R.dimen.focus_outer_stroke); |
| 213 | mInnerStroke = res.getDimensionPixelSize(R.dimen.focus_inner_stroke); |
| 214 | mState = STATE_IDLE; |
| 215 | mBlockFocus = false; |
| 216 | mTouchSlopSquared = ViewConfiguration.get(ctx).getScaledTouchSlop(); |
| 217 | mTouchSlopSquared = mTouchSlopSquared * mTouchSlopSquared; |
| 218 | mDown = new Point(); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 219 | mMenuArcPaint = new Paint(); |
| 220 | mMenuArcPaint.setAntiAlias(true); |
| 221 | mMenuArcPaint.setColor(Color.argb(140, 255, 255, 255)); |
| 222 | mMenuArcPaint.setStrokeWidth(10); |
| 223 | mMenuArcPaint.setStyle(Paint.Style.STROKE); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 224 | mSliceRadius = res.getDimensionPixelSize(R.dimen.pie_item_radius); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 225 | mArcRadius = res.getDimensionPixelSize(R.dimen.pie_arc_radius); |
| 226 | mArcOffset = res.getDimensionPixelSize(R.dimen.pie_arc_offset); |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 227 | mLabel = new TextDrawable(res); |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 228 | mLabel.setDropShadow(true); |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 229 | mDeadZone = res.getDimensionPixelSize(R.dimen.pie_deadzone_width); |
| 230 | mAngleZone = res.getDimensionPixelSize(R.dimen.pie_anglezone_width); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | private PieItem getRoot() { |
| 234 | return mOpen.get(0); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | public boolean showsItems() { |
| 238 | return mTapMode; |
| 239 | } |
| 240 | |
| 241 | public void addItem(PieItem item) { |
| 242 | // add the item to the pie itself |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 243 | getRoot().addItem(item); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | public void clearItems() { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 247 | getRoot().clearItems(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | public void showInCenter() { |
| 251 | if ((mState == STATE_PIE) && isVisible()) { |
| 252 | mTapMode = false; |
| 253 | show(false); |
| 254 | } else { |
| 255 | if (mState != STATE_IDLE) { |
| 256 | cancelFocus(); |
| 257 | } |
| 258 | mState = STATE_PIE; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 259 | resetPieCenter(); |
| 260 | setCenter(mPieCenterX, mPieCenterY); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 261 | mTapMode = true; |
| 262 | show(true); |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | public void hide() { |
| 267 | show(false); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * guaranteed has center set |
| 272 | * @param show |
| 273 | */ |
| 274 | private void show(boolean show) { |
| 275 | if (show) { |
Michael Kolb | 0233bad | 2013-04-24 14:49:46 -0700 | [diff] [blame] | 276 | if (mXFade != null) { |
| 277 | mXFade.cancel(); |
| 278 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 279 | mState = STATE_PIE; |
| 280 | // ensure clean state |
| 281 | mCurrentItem = null; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 282 | PieItem root = getRoot(); |
| 283 | for (PieItem openItem : mOpen) { |
| 284 | if (openItem.hasItems()) { |
| 285 | for (PieItem item : openItem.getItems()) { |
| 286 | item.setSelected(false); |
| 287 | } |
| 288 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 289 | } |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 290 | mLabel.setText(""); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 291 | mOpen.clear(); |
| 292 | mOpen.add(root); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 293 | layoutPie(); |
| 294 | fadeIn(); |
| 295 | } else { |
| 296 | mState = STATE_IDLE; |
| 297 | mTapMode = false; |
| 298 | if (mXFade != null) { |
| 299 | mXFade.cancel(); |
| 300 | } |
Michael Kolb | 9e012f8 | 2013-04-26 08:53:49 -0700 | [diff] [blame] | 301 | if (mLabel != null) { |
| 302 | mLabel.setText(""); |
| 303 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 304 | } |
| 305 | setVisible(show); |
| 306 | mHandler.sendEmptyMessage(show ? MSG_OPEN : MSG_CLOSE); |
| 307 | } |
| 308 | |
Doris Liu | fb57df1 | 2013-05-14 14:37:46 -0700 | [diff] [blame] | 309 | public boolean isOpen() { |
| 310 | return mState == STATE_PIE && isVisible(); |
| 311 | } |
| 312 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 313 | private void fadeIn() { |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 314 | mFadeIn = new ValueAnimator(); |
| 315 | mFadeIn.setFloatValues(0f, 1f); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 316 | mFadeIn.setDuration(PIE_FADE_IN_DURATION); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 317 | // linear interpolation |
| 318 | mFadeIn.setInterpolator(null); |
| 319 | mFadeIn.addListener(new AnimatorListener() { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 320 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 321 | public void onAnimationStart(Animator animation) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 325 | public void onAnimationEnd(Animator animation) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 326 | mFadeIn = null; |
| 327 | } |
| 328 | |
| 329 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 330 | public void onAnimationRepeat(Animator animation) { |
| 331 | } |
| 332 | |
| 333 | @Override |
| 334 | public void onAnimationCancel(Animator arg0) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 335 | } |
| 336 | }); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 337 | mFadeIn.start(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | public void setCenter(int x, int y) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 341 | mPieCenterX = x; |
| 342 | mPieCenterY = y; |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 343 | mSliceCenterY = y + mSliceRadius - mArcOffset; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 344 | mArcCenterY = y - mArcOffset + mArcRadius; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | @Override |
| 348 | public void layout(int l, int t, int r, int b) { |
| 349 | super.layout(l, t, r, b); |
| 350 | mCenterX = (r - l) / 2; |
| 351 | mCenterY = (b - t) / 2; |
| 352 | |
| 353 | mFocusX = mCenterX; |
| 354 | mFocusY = mCenterY; |
| 355 | resetPieCenter(); |
| 356 | setCircle(mFocusX, mFocusY); |
| 357 | if (isVisible() && mState == STATE_PIE) { |
| 358 | setCenter(mPieCenterX, mPieCenterY); |
| 359 | layoutPie(); |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | private void resetPieCenter() { |
| 364 | mPieCenterX = mCenterX; |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 365 | mPieCenterY = (int) (getHeight() - 2.5f * mDeadZone); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | private void layoutPie() { |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 369 | mCenterAngle = getCenterAngle(); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 370 | layoutItems(0, getRoot().getItems()); |
Michael Kolb | 60e938e | 2013-05-14 14:28:14 -0700 | [diff] [blame] | 371 | layoutLabel(getLevel()); |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | private void layoutLabel(int level) { |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 375 | int x = mPieCenterX - (int) (FloatMath.sin(mCenterAngle - CENTER) |
| 376 | * (mArcRadius + (level + 2) * mRadiusInc)); |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 377 | int y = mArcCenterY - mArcRadius - (level + 2) * mRadiusInc; |
| 378 | int w = mLabel.getIntrinsicWidth(); |
| 379 | int h = mLabel.getIntrinsicHeight(); |
| 380 | mLabel.setBounds(x - w/2, y - h/2, x + w/2, y + h/2); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 381 | } |
| 382 | |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 383 | private void layoutItems(int level, List<PieItem> items) { |
| 384 | int extend = 1; |
| 385 | Path path = makeSlice(getDegrees(0) + extend, getDegrees(SWEEP_ARC) - extend, |
| 386 | mArcRadius, mArcRadius + mRadiusInc + mRadiusInc / 4, |
| 387 | mPieCenterX, mArcCenterY - level * mRadiusInc); |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 388 | final int count = items.size(); |
| 389 | int pos = 0; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 390 | for (PieItem item : items) { |
| 391 | // shared between items |
| 392 | item.setPath(path); |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 393 | float angle = getArcCenter(item, pos, count); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 394 | int w = item.getIntrinsicWidth(); |
| 395 | int h = item.getIntrinsicHeight(); |
| 396 | // move views to outer border |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 397 | int r = mArcRadius + mRadiusInc * 2 / 3; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 398 | int x = (int) (r * Math.cos(angle)); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 399 | int y = mArcCenterY - (level * mRadiusInc) - (int) (r * Math.sin(angle)) - h / 2; |
| 400 | x = mPieCenterX + x - w / 2; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 401 | item.setBounds(x, y, x + w, y + h); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 402 | item.setLevel(level); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 403 | if (item.hasItems()) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 404 | layoutItems(level + 1, item.getItems()); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 405 | } |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 406 | pos++; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 407 | } |
| 408 | } |
| 409 | |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 410 | private Path makeSlice(float start, float end, int inner, int outer, int cx, int cy) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 411 | RectF bb = |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 412 | new RectF(cx - outer, cy - outer, cx + outer, |
| 413 | cy + outer); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 414 | RectF bbi = |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 415 | new RectF(cx - inner, cy - inner, cx + inner, |
| 416 | cy + inner); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 417 | Path path = new Path(); |
| 418 | path.arcTo(bb, start, end - start, true); |
| 419 | path.arcTo(bbi, end, start - end); |
| 420 | path.close(); |
| 421 | return path; |
| 422 | } |
| 423 | |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 424 | private float getArcCenter(PieItem item, int pos, int count) { |
| 425 | return getCenter(pos, count, SWEEP_ARC); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 426 | } |
| 427 | |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 428 | private float getSliceCenter(PieItem item, int pos, int count) { |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 429 | float center = (getCenterAngle() - CENTER) * 0.5f + CENTER; |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 430 | return center + (count - 1) * SWEEP_SLICE / 2f |
| 431 | - pos * SWEEP_SLICE; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | private float getCenter(int pos, int count, float sweep) { |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 435 | return mCenterAngle + (count - 1) * sweep / 2f - pos * sweep; |
| 436 | } |
| 437 | |
| 438 | private float getCenterAngle() { |
| 439 | float center = CENTER; |
| 440 | if (mPieCenterX < mDeadZone + mAngleZone) { |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 441 | center = CENTER - (mAngleZone - mPieCenterX + mDeadZone) * RAD24 |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 442 | / (float) mAngleZone; |
| 443 | } else if (mPieCenterX > getWidth() - mDeadZone - mAngleZone) { |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 444 | center = CENTER + (mPieCenterX - (getWidth() - mDeadZone - mAngleZone)) * RAD24 |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 445 | / (float) mAngleZone; |
| 446 | } |
| 447 | return center; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 448 | } |
| 449 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 450 | /** |
| 451 | * converts a |
| 452 | * @param angle from 0..PI to Android degrees (clockwise starting at 3 o'clock) |
| 453 | * @return skia angle |
| 454 | */ |
| 455 | private float getDegrees(double angle) { |
| 456 | return (float) (360 - 180 * angle / Math.PI); |
| 457 | } |
| 458 | |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 459 | private void startFadeOut(final PieItem item) { |
| 460 | if (mFadeIn != null) { |
| 461 | mFadeIn.cancel(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 462 | } |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 463 | if (mXFade != null) { |
| 464 | mXFade.cancel(); |
| 465 | } |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 466 | mFadeOut = new ValueAnimator(); |
| 467 | mFadeOut.setFloatValues(1f, 0f); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 468 | mFadeOut.setDuration(PIE_FADE_OUT_DURATION); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 469 | mFadeOut.addListener(new AnimatorListener() { |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 470 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 471 | public void onAnimationStart(Animator animator) { |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 475 | public void onAnimationEnd(Animator animator) { |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 476 | item.performClick(); |
| 477 | mFadeOut = null; |
| 478 | deselect(); |
| 479 | show(false); |
| 480 | mOverlay.setAlpha(1); |
| 481 | } |
| 482 | |
| 483 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 484 | public void onAnimationRepeat(Animator animator) { |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 485 | } |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 486 | |
| 487 | @Override |
| 488 | public void onAnimationCancel(Animator animator) { |
| 489 | } |
| 490 | |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 491 | }); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 492 | mFadeOut.start(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 493 | } |
| 494 | |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 495 | // root does not count |
| 496 | private boolean hasOpenItem() { |
| 497 | return mOpen.size() > 1; |
| 498 | } |
| 499 | |
| 500 | // pop an item of the open item stack |
| 501 | private PieItem closeOpenItem() { |
| 502 | PieItem item = getOpenItem(); |
| 503 | mOpen.remove(mOpen.size() -1); |
| 504 | return item; |
| 505 | } |
| 506 | |
| 507 | private PieItem getOpenItem() { |
| 508 | return mOpen.get(mOpen.size() - 1); |
| 509 | } |
| 510 | |
| 511 | // return the children either the root or parent of the current open item |
| 512 | private PieItem getParent() { |
| 513 | return mOpen.get(Math.max(0, mOpen.size() - 2)); |
| 514 | } |
| 515 | |
| 516 | private int getLevel() { |
| 517 | return mOpen.size() - 1; |
| 518 | } |
| 519 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 520 | @Override |
| 521 | public void onDraw(Canvas canvas) { |
| 522 | float alpha = 1; |
| 523 | if (mXFade != null) { |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 524 | alpha = (Float) mXFade.getAnimatedValue(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 525 | } else if (mFadeIn != null) { |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 526 | alpha = (Float) mFadeIn.getAnimatedValue(); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 527 | } else if (mFadeOut != null) { |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 528 | alpha = (Float) mFadeOut.getAnimatedValue(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 529 | } |
| 530 | int state = canvas.save(); |
| 531 | if (mFadeIn != null) { |
| 532 | float sf = 0.9f + alpha * 0.1f; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 533 | canvas.scale(sf, sf, mPieCenterX, mPieCenterY); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 534 | } |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 535 | if (mState != STATE_PIE) { |
| 536 | drawFocus(canvas); |
| 537 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 538 | if (mState == STATE_FINISHING) { |
| 539 | canvas.restoreToCount(state); |
| 540 | return; |
| 541 | } |
Michael Kolb | 9e012f8 | 2013-04-26 08:53:49 -0700 | [diff] [blame] | 542 | if (mState != STATE_PIE) return; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 543 | if (!hasOpenItem() || (mXFade != null)) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 544 | // draw base menu |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 545 | drawArc(canvas, getLevel(), getParent()); |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 546 | List<PieItem> items = getParent().getItems(); |
| 547 | final int count = items.size(); |
| 548 | int pos = 0; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 549 | for (PieItem item : getParent().getItems()) { |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 550 | drawItem(Math.max(0, mOpen.size() - 2), pos, count, canvas, item, alpha); |
| 551 | pos++; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 552 | } |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 553 | mLabel.draw(canvas); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 554 | } |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 555 | if (hasOpenItem()) { |
| 556 | int level = getLevel(); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 557 | drawArc(canvas, level, getOpenItem()); |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 558 | List<PieItem> items = getOpenItem().getItems(); |
| 559 | final int count = items.size(); |
| 560 | int pos = 0; |
| 561 | for (PieItem inner : items) { |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 562 | if (mFadeOut != null) { |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 563 | drawItem(level, pos, count, canvas, inner, alpha); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 564 | } else { |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 565 | drawItem(level, pos, count, canvas, inner, (mXFade != null) ? (1 - 0.5f * alpha) : 1); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 566 | } |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 567 | pos++; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 568 | } |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 569 | mLabel.draw(canvas); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 570 | } |
| 571 | canvas.restoreToCount(state); |
| 572 | } |
| 573 | |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 574 | private void drawArc(Canvas canvas, int level, PieItem item) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 575 | // arc |
| 576 | if (mState == STATE_PIE) { |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 577 | final int count = item.getItems().size(); |
| 578 | float start = mCenterAngle + (count * SWEEP_ARC / 2f); |
| 579 | float end = mCenterAngle - (count * SWEEP_ARC / 2f); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 580 | int cy = mArcCenterY - level * mRadiusInc; |
| 581 | canvas.drawArc(new RectF(mPieCenterX - mArcRadius, cy - mArcRadius, |
| 582 | mPieCenterX + mArcRadius, cy + mArcRadius), |
| 583 | getDegrees(end), getDegrees(start) - getDegrees(end), false, mMenuArcPaint); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 584 | } |
| 585 | } |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 586 | |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 587 | private void drawItem(int level, int pos, int count, Canvas canvas, PieItem item, float alpha) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 588 | if (mState == STATE_PIE) { |
| 589 | if (item.getPath() != null) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 590 | int y = mArcCenterY - level * mRadiusInc; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 591 | if (item.isSelected()) { |
| 592 | Paint p = mSelectedPaint; |
| 593 | int state = canvas.save(); |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 594 | float angle = 0; |
| 595 | if (mSlice != null) { |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 596 | angle = (Float) mSlice.getAnimatedValue(); |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 597 | } else { |
| 598 | angle = getArcCenter(item, pos, count) - SWEEP_ARC / 2f; |
| 599 | } |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 600 | angle = getDegrees(angle); |
| 601 | canvas.rotate(angle, mPieCenterX, y); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 602 | if (mFadeOut != null) { |
| 603 | p.setAlpha((int)(255 * alpha)); |
| 604 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 605 | canvas.drawPath(item.getPath(), p); |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 606 | if (mFadeOut != null) { |
| 607 | p.setAlpha(255); |
| 608 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 609 | canvas.restoreToCount(state); |
| 610 | } |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 611 | if (mFadeOut == null) { |
| 612 | alpha = alpha * (item.isEnabled() ? 1 : 0.3f); |
| 613 | // draw the item view |
| 614 | item.setAlpha(alpha); |
| 615 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 616 | item.draw(canvas); |
| 617 | } |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public boolean onTouchEvent(MotionEvent evt) { |
| 623 | float x = evt.getX(); |
| 624 | float y = evt.getY(); |
| 625 | int action = evt.getActionMasked(); |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 626 | getPolar(x, y, !mTapMode, mPolar); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 627 | if (MotionEvent.ACTION_DOWN == action) { |
Michael Kolb | 0f4a5ae | 2013-04-10 14:16:19 -0700 | [diff] [blame] | 628 | if ((x < mDeadZone) || (x > getWidth() - mDeadZone)) { |
| 629 | return false; |
| 630 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 631 | mDown.x = (int) evt.getX(); |
| 632 | mDown.y = (int) evt.getY(); |
| 633 | mOpening = false; |
| 634 | if (mTapMode) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 635 | PieItem item = findItem(mPolar); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 636 | if ((item != null) && (mCurrentItem != item)) { |
| 637 | mState = STATE_PIE; |
| 638 | onEnter(item); |
| 639 | } |
| 640 | } else { |
| 641 | setCenter((int) x, (int) y); |
| 642 | show(true); |
| 643 | } |
| 644 | return true; |
| 645 | } else if (MotionEvent.ACTION_UP == action) { |
| 646 | if (isVisible()) { |
| 647 | PieItem item = mCurrentItem; |
| 648 | if (mTapMode) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 649 | item = findItem(mPolar); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 650 | if (mOpening) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 651 | mOpening = false; |
| 652 | return true; |
| 653 | } |
| 654 | } |
| 655 | if (item == null) { |
| 656 | mTapMode = false; |
| 657 | show(false); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 658 | } else if (!mOpening && !item.hasItems()) { |
| 659 | startFadeOut(item); |
| 660 | mTapMode = false; |
| 661 | } else { |
| 662 | mTapMode = true; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 663 | } |
| 664 | return true; |
| 665 | } |
| 666 | } else if (MotionEvent.ACTION_CANCEL == action) { |
| 667 | if (isVisible() || mTapMode) { |
| 668 | show(false); |
| 669 | } |
| 670 | deselect(); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 671 | mHandler.removeMessages(MSG_OPENSUBMENU); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 672 | return false; |
| 673 | } else if (MotionEvent.ACTION_MOVE == action) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 674 | if (pulledToCenter(mPolar)) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 675 | mHandler.removeMessages(MSG_OPENSUBMENU); |
| 676 | if (hasOpenItem()) { |
| 677 | if (mCurrentItem != null) { |
| 678 | mCurrentItem.setSelected(false); |
| 679 | } |
| 680 | closeOpenItem(); |
| 681 | mCurrentItem = null; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 682 | } else { |
| 683 | deselect(); |
| 684 | } |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 685 | mLabel.setText(""); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 686 | return false; |
| 687 | } |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 688 | PieItem item = findItem(mPolar); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 689 | boolean moved = hasMoved(evt); |
| 690 | if ((item != null) && (mCurrentItem != item) && (!mOpening || moved)) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 691 | mHandler.removeMessages(MSG_OPENSUBMENU); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 692 | // only select if we didn't just open or have moved past slop |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 693 | if (moved) { |
| 694 | // switch back to swipe mode |
| 695 | mTapMode = false; |
| 696 | } |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 697 | onEnterSelect(item); |
| 698 | mHandler.sendEmptyMessageDelayed(MSG_OPENSUBMENU, PIE_OPEN_SUB_DELAY); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 699 | } |
| 700 | } |
| 701 | return false; |
| 702 | } |
| 703 | |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 704 | @Override |
| 705 | public boolean isVisible() { |
Erin Dahlgren | 5ce035e | 2013-12-10 17:16:17 -0800 | [diff] [blame] | 706 | return super.isVisible(); |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 707 | } |
| 708 | |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 709 | private boolean pulledToCenter(PointF polarCoords) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 710 | return polarCoords.y < mArcRadius - mRadiusInc; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 711 | } |
| 712 | |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 713 | private boolean inside(PointF polar, PieItem item, int pos, int count) { |
| 714 | float start = getSliceCenter(item, pos, count) - SWEEP_SLICE / 2f; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 715 | boolean res = (mArcRadius < polar.y) |
| 716 | && (start < polar.x) |
| 717 | && (start + SWEEP_SLICE > polar.x) |
| 718 | && (!mTapMode || (mArcRadius + mRadiusInc > polar.y)); |
| 719 | return res; |
| 720 | } |
| 721 | |
| 722 | private void getPolar(float x, float y, boolean useOffset, PointF res) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 723 | // get angle and radius from x/y |
| 724 | res.x = (float) Math.PI / 2; |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 725 | x = x - mPieCenterX; |
| 726 | float y1 = mSliceCenterY - getLevel() * mRadiusInc - y; |
| 727 | float y2 = mArcCenterY - getLevel() * mRadiusInc - y; |
| 728 | res.y = (float) Math.sqrt(x * x + y2 * y2); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 729 | if (x != 0) { |
Michael Kolb | 3daa351 | 2013-04-02 16:03:04 -0700 | [diff] [blame] | 730 | res.x = (float) Math.atan2(y1, x); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 731 | if (res.x < 0) { |
| 732 | res.x = (float) (2 * Math.PI + res.x); |
| 733 | } |
| 734 | } |
| 735 | res.y = res.y + (useOffset ? mTouchOffset : 0); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 736 | } |
| 737 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 738 | private boolean hasMoved(MotionEvent e) { |
| 739 | return mTouchSlopSquared < (e.getX() - mDown.x) * (e.getX() - mDown.x) |
| 740 | + (e.getY() - mDown.y) * (e.getY() - mDown.y); |
| 741 | } |
| 742 | |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 743 | private void onEnterSelect(PieItem item) { |
| 744 | if (mCurrentItem != null) { |
| 745 | mCurrentItem.setSelected(false); |
| 746 | } |
| 747 | if (item != null && item.isEnabled()) { |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 748 | moveSelection(mCurrentItem, item); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 749 | item.setSelected(true); |
| 750 | mCurrentItem = item; |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 751 | mLabel.setText(mCurrentItem.getLabel()); |
| 752 | layoutLabel(getLevel()); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 753 | } else { |
| 754 | mCurrentItem = null; |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | private void onEnterOpen() { |
Michael Kolb | dc7d1ac | 2013-04-12 08:45:25 -0700 | [diff] [blame] | 759 | if ((mCurrentItem != null) && (mCurrentItem != getOpenItem()) && mCurrentItem.hasItems()) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 760 | openCurrentItem(); |
| 761 | } |
| 762 | } |
| 763 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 764 | /** |
| 765 | * enter a slice for a view |
| 766 | * updates model only |
| 767 | * @param item |
| 768 | */ |
| 769 | private void onEnter(PieItem item) { |
| 770 | if (mCurrentItem != null) { |
| 771 | mCurrentItem.setSelected(false); |
| 772 | } |
| 773 | if (item != null && item.isEnabled()) { |
| 774 | item.setSelected(true); |
| 775 | mCurrentItem = item; |
Michael Kolb | 712cc2f | 2013-05-06 08:49:10 -0700 | [diff] [blame] | 776 | mLabel.setText(mCurrentItem.getLabel()); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 777 | if ((mCurrentItem != getOpenItem()) && mCurrentItem.hasItems()) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 778 | openCurrentItem(); |
Michael Kolb | 10f4ba0 | 2013-04-10 08:50:51 -0700 | [diff] [blame] | 779 | layoutLabel(getLevel()); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 780 | } |
| 781 | } else { |
| 782 | mCurrentItem = null; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | private void deselect() { |
| 787 | if (mCurrentItem != null) { |
| 788 | mCurrentItem.setSelected(false); |
| 789 | } |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 790 | if (hasOpenItem()) { |
| 791 | PieItem item = closeOpenItem(); |
| 792 | onEnter(item); |
| 793 | } else { |
| 794 | mCurrentItem = null; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 795 | } |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 796 | } |
| 797 | |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 798 | private int getItemPos(PieItem target) { |
| 799 | List<PieItem> items = getOpenItem().getItems(); |
| 800 | return items.indexOf(target); |
| 801 | } |
| 802 | |
| 803 | private int getCurrentCount() { |
| 804 | return getOpenItem().getItems().size(); |
| 805 | } |
| 806 | |
| 807 | private void moveSelection(PieItem from, PieItem to) { |
| 808 | final int count = getCurrentCount(); |
| 809 | final int fromPos = getItemPos(from); |
| 810 | final int toPos = getItemPos(to); |
| 811 | if (fromPos != -1 && toPos != -1) { |
| 812 | float startAngle = getArcCenter(from, getItemPos(from), count) |
| 813 | - SWEEP_ARC / 2f; |
| 814 | float endAngle = getArcCenter(to, getItemPos(to), count) |
| 815 | - SWEEP_ARC / 2f; |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 816 | mSlice = new ValueAnimator(); |
| 817 | mSlice.setFloatValues(startAngle, endAngle); |
| 818 | // linear interpolater |
| 819 | mSlice.setInterpolator(null); |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 820 | mSlice.setDuration(PIE_SLICE_DURATION); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 821 | mSlice.addListener(new AnimatorListener() { |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 822 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 823 | public void onAnimationEnd(Animator arg0) { |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 824 | mSlice = null; |
| 825 | } |
| 826 | |
| 827 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 828 | public void onAnimationRepeat(Animator arg0) { |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 832 | public void onAnimationStart(Animator arg0) { |
| 833 | } |
| 834 | |
| 835 | @Override |
| 836 | public void onAnimationCancel(Animator arg0) { |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 837 | } |
| 838 | }); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 839 | mSlice.start(); |
Michael Kolb | ad2a745 | 2013-05-07 13:53:19 -0700 | [diff] [blame] | 840 | } |
| 841 | } |
| 842 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 843 | private void openCurrentItem() { |
| 844 | if ((mCurrentItem != null) && mCurrentItem.hasItems()) { |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 845 | mOpen.add(mCurrentItem); |
Michael Kolb | f465110 | 2013-04-19 16:21:24 -0700 | [diff] [blame] | 846 | layoutLabel(getLevel()); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 847 | mOpening = true; |
Michael Kolb | ebcf6fe | 2013-02-27 11:00:31 -0800 | [diff] [blame] | 848 | if (mFadeIn != null) { |
| 849 | mFadeIn.cancel(); |
| 850 | } |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 851 | mXFade = new ValueAnimator(); |
| 852 | mXFade.setFloatValues(1f, 0f); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 853 | mXFade.setDuration(PIE_XFADE_DURATION); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 854 | // Linear interpolation |
| 855 | mXFade.setInterpolator(null); |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 856 | final PieItem ci = mCurrentItem; |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 857 | mXFade.addListener(new AnimatorListener() { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 858 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 859 | public void onAnimationStart(Animator animation) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 860 | } |
| 861 | |
| 862 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 863 | public void onAnimationEnd(Animator animation) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 864 | mXFade = null; |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 865 | ci.setSelected(false); |
| 866 | mOpening = false; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 867 | } |
| 868 | |
| 869 | @Override |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 870 | public void onAnimationRepeat(Animator animation) { |
| 871 | } |
| 872 | |
| 873 | @Override |
| 874 | public void onAnimationCancel(Animator arg0) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 875 | } |
| 876 | }); |
Doris Liu | 1b9362e | 2013-07-11 16:32:13 -0700 | [diff] [blame] | 877 | mXFade.start(); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 878 | } |
| 879 | } |
| 880 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 881 | /** |
| 882 | * @param polar x: angle, y: dist |
| 883 | * @return the item at angle/dist or null |
| 884 | */ |
| 885 | private PieItem findItem(PointF polar) { |
| 886 | // find the matching item: |
Michael Kolb | 3bc96b2 | 2013-03-12 10:24:42 -0700 | [diff] [blame] | 887 | List<PieItem> items = getOpenItem().getItems(); |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 888 | final int count = items.size(); |
| 889 | int pos = 0; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 890 | for (PieItem item : items) { |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 891 | if (inside(polar, item, pos, count)) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 892 | return item; |
| 893 | } |
Michael Kolb | b7c4999 | 2013-04-30 09:23:23 -0700 | [diff] [blame] | 894 | pos++; |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 895 | } |
| 896 | return null; |
| 897 | } |
| 898 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 899 | |
| 900 | @Override |
| 901 | public boolean handlesTouch() { |
| 902 | return true; |
| 903 | } |
| 904 | |
| 905 | // focus specific code |
| 906 | |
| 907 | public void setBlockFocus(boolean blocked) { |
| 908 | mBlockFocus = blocked; |
| 909 | if (blocked) { |
| 910 | clear(); |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | public void setFocus(int x, int y) { |
Igor Murashkin | d9b229b | 2013-10-15 13:43:31 -0700 | [diff] [blame] | 915 | mOverlay.removeCallbacks(mDisappear); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 916 | mFocusX = x; |
| 917 | mFocusY = y; |
| 918 | setCircle(mFocusX, mFocusY); |
| 919 | } |
| 920 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 921 | public int getSize() { |
| 922 | return 2 * mCircleSize; |
| 923 | } |
| 924 | |
| 925 | private int getRandomRange() { |
| 926 | return (int)(-60 + 120 * Math.random()); |
| 927 | } |
| 928 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 929 | private void setCircle(int cx, int cy) { |
| 930 | mCircle.set(cx - mCircleSize, cy - mCircleSize, |
| 931 | cx + mCircleSize, cy + mCircleSize); |
| 932 | mDial.set(cx - mCircleSize + mInnerOffset, cy - mCircleSize + mInnerOffset, |
| 933 | cx + mCircleSize - mInnerOffset, cy + mCircleSize - mInnerOffset); |
| 934 | } |
| 935 | |
| 936 | public void drawFocus(Canvas canvas) { |
| 937 | if (mBlockFocus) return; |
| 938 | mFocusPaint.setStrokeWidth(mOuterStroke); |
| 939 | canvas.drawCircle((float) mFocusX, (float) mFocusY, (float) mCircleSize, mFocusPaint); |
| 940 | if (mState == STATE_PIE) return; |
| 941 | int color = mFocusPaint.getColor(); |
| 942 | if (mState == STATE_FINISHING) { |
| 943 | mFocusPaint.setColor(mFocused ? mSuccessColor : mFailColor); |
| 944 | } |
| 945 | mFocusPaint.setStrokeWidth(mInnerStroke); |
| 946 | drawLine(canvas, mDialAngle, mFocusPaint); |
| 947 | drawLine(canvas, mDialAngle + 45, mFocusPaint); |
| 948 | drawLine(canvas, mDialAngle + 180, mFocusPaint); |
| 949 | drawLine(canvas, mDialAngle + 225, mFocusPaint); |
| 950 | canvas.save(); |
| 951 | // rotate the arc instead of its offset to better use framework's shape caching |
| 952 | canvas.rotate(mDialAngle, mFocusX, mFocusY); |
| 953 | canvas.drawArc(mDial, 0, 45, false, mFocusPaint); |
| 954 | canvas.drawArc(mDial, 180, 45, false, mFocusPaint); |
| 955 | canvas.restore(); |
| 956 | mFocusPaint.setColor(color); |
| 957 | } |
| 958 | |
| 959 | private void drawLine(Canvas canvas, int angle, Paint p) { |
| 960 | convertCart(angle, mCircleSize - mInnerOffset, mPoint1); |
| 961 | convertCart(angle, mCircleSize - mInnerOffset + mInnerOffset / 3, mPoint2); |
| 962 | canvas.drawLine(mPoint1.x + mFocusX, mPoint1.y + mFocusY, |
| 963 | mPoint2.x + mFocusX, mPoint2.y + mFocusY, p); |
| 964 | } |
| 965 | |
| 966 | private static void convertCart(int angle, int radius, Point out) { |
| 967 | double a = 2 * Math.PI * (angle % 360) / 360; |
| 968 | out.x = (int) (radius * Math.cos(a) + 0.5); |
| 969 | out.y = (int) (radius * Math.sin(a) + 0.5); |
| 970 | } |
| 971 | |
| 972 | @Override |
| 973 | public void showStart() { |
| 974 | if (mState == STATE_PIE) return; |
| 975 | cancelFocus(); |
| 976 | mStartAnimationAngle = 67; |
| 977 | int range = getRandomRange(); |
| 978 | startAnimation(SCALING_UP_TIME, |
| 979 | false, mStartAnimationAngle, mStartAnimationAngle + range); |
| 980 | mState = STATE_FOCUSING; |
| 981 | } |
| 982 | |
| 983 | @Override |
| 984 | public void showSuccess(boolean timeout) { |
| 985 | if (mState == STATE_FOCUSING) { |
| 986 | startAnimation(SCALING_DOWN_TIME, |
| 987 | timeout, mStartAnimationAngle); |
| 988 | mState = STATE_FINISHING; |
| 989 | mFocused = true; |
| 990 | } |
| 991 | } |
| 992 | |
| 993 | @Override |
| 994 | public void showFail(boolean timeout) { |
| 995 | if (mState == STATE_FOCUSING) { |
| 996 | startAnimation(SCALING_DOWN_TIME, |
| 997 | timeout, mStartAnimationAngle); |
| 998 | mState = STATE_FINISHING; |
| 999 | mFocused = false; |
| 1000 | } |
| 1001 | } |
| 1002 | |
| 1003 | private void cancelFocus() { |
| 1004 | mFocusCancelled = true; |
| 1005 | mOverlay.removeCallbacks(mDisappear); |
Michael Kolb | e3de722 | 2013-02-18 15:16:44 -0800 | [diff] [blame] | 1006 | if (mAnimation != null && !mAnimation.hasEnded()) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1007 | mAnimation.cancel(); |
| 1008 | } |
| 1009 | mFocusCancelled = false; |
| 1010 | mFocused = false; |
| 1011 | mState = STATE_IDLE; |
| 1012 | } |
| 1013 | |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 1014 | public void clear(boolean waitUntilProgressIsHidden) { |
| 1015 | if (mState == STATE_PIE) |
| 1016 | return; |
| 1017 | cancelFocus(); |
Erin Dahlgren | 5ce035e | 2013-12-10 17:16:17 -0800 | [diff] [blame] | 1018 | mOverlay.post(mDisappear); |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 1019 | } |
| 1020 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1021 | @Override |
| 1022 | public void clear() { |
Sascha Haeberling | b7b73ec | 2013-11-12 15:16:08 -0800 | [diff] [blame] | 1023 | clear(false); |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1024 | } |
| 1025 | |
| 1026 | private void startAnimation(long duration, boolean timeout, |
| 1027 | float toScale) { |
| 1028 | startAnimation(duration, timeout, mDialAngle, |
| 1029 | toScale); |
| 1030 | } |
| 1031 | |
| 1032 | private void startAnimation(long duration, boolean timeout, |
| 1033 | float fromScale, float toScale) { |
| 1034 | setVisible(true); |
| 1035 | mAnimation.reset(); |
| 1036 | mAnimation.setDuration(duration); |
| 1037 | mAnimation.setScale(fromScale, toScale); |
| 1038 | mAnimation.setAnimationListener(timeout ? mEndAction : null); |
| 1039 | mOverlay.startAnimation(mAnimation); |
| 1040 | update(); |
| 1041 | } |
| 1042 | |
| 1043 | private class EndAction implements Animation.AnimationListener { |
| 1044 | @Override |
| 1045 | public void onAnimationEnd(Animation animation) { |
| 1046 | // Keep the focus indicator for some time. |
Doris Liu | f55f3c4 | 2013-11-20 00:24:46 -0800 | [diff] [blame] | 1047 | if (!mFocusCancelled && mOverlay != null) { |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1048 | mOverlay.postDelayed(mDisappear, DISAPPEAR_TIMEOUT); |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | @Override |
| 1053 | public void onAnimationRepeat(Animation animation) { |
| 1054 | } |
| 1055 | |
| 1056 | @Override |
| 1057 | public void onAnimationStart(Animation animation) { |
| 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | private class Disappear implements Runnable { |
| 1062 | @Override |
| 1063 | public void run() { |
| 1064 | if (mState == STATE_PIE) return; |
| 1065 | setVisible(false); |
| 1066 | mFocusX = mCenterX; |
| 1067 | mFocusY = mCenterY; |
| 1068 | mState = STATE_IDLE; |
| 1069 | setCircle(mFocusX, mFocusY); |
| 1070 | mFocused = false; |
| 1071 | } |
| 1072 | } |
| 1073 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1074 | private class ScaleAnimation extends Animation { |
| 1075 | private float mFrom = 1f; |
| 1076 | private float mTo = 1f; |
| 1077 | |
| 1078 | public ScaleAnimation() { |
| 1079 | setFillAfter(true); |
| 1080 | } |
| 1081 | |
| 1082 | public void setScale(float from, float to) { |
| 1083 | mFrom = from; |
| 1084 | mTo = to; |
| 1085 | } |
| 1086 | |
| 1087 | @Override |
| 1088 | protected void applyTransformation(float interpolatedTime, Transformation t) { |
| 1089 | mDialAngle = (int)(mFrom + (mTo - mFrom) * interpolatedTime); |
| 1090 | } |
| 1091 | } |
| 1092 | |
Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 1093 | } |