Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -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.server.wm; |
| 18 | |
Phil Weaver | d321075e | 2017-06-13 09:13:35 -0700 | [diff] [blame] | 19 | import static android.view.WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY; |
Robert Carr | 132c9f5 | 2017-07-31 17:02:30 -0700 | [diff] [blame] | 20 | import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_IS_ROUNDED_CORNERS_OVERLAY; |
Phil Weaver | d321075e | 2017-06-13 09:13:35 -0700 | [diff] [blame] | 21 | |
Filip Gruszczynski | 0bd180d | 2015-12-07 15:43:52 -0800 | [diff] [blame] | 22 | import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| 23 | import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| 24 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 25 | import android.animation.ObjectAnimator; |
| 26 | import android.animation.ValueAnimator; |
Alan Viverette | 59e53a1 | 2016-03-28 13:41:32 -0400 | [diff] [blame] | 27 | import android.annotation.NonNull; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 28 | import android.app.Service; |
| 29 | import android.content.Context; |
| 30 | import android.graphics.Canvas; |
| 31 | import android.graphics.Color; |
| 32 | import android.graphics.Matrix; |
| 33 | import android.graphics.Paint; |
| 34 | import android.graphics.Path; |
| 35 | import android.graphics.PixelFormat; |
| 36 | import android.graphics.Point; |
| 37 | import android.graphics.PorterDuff.Mode; |
| 38 | import android.graphics.Rect; |
| 39 | import android.graphics.RectF; |
| 40 | import android.graphics.Region; |
| 41 | import android.os.Handler; |
| 42 | import android.os.IBinder; |
| 43 | import android.os.Looper; |
| 44 | import android.os.Message; |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 45 | import android.text.TextUtils; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 46 | import android.util.ArraySet; |
| 47 | import android.util.Log; |
| 48 | import android.util.Slog; |
| 49 | import android.util.SparseArray; |
| 50 | import android.util.TypedValue; |
| 51 | import android.view.MagnificationSpec; |
| 52 | import android.view.Surface; |
| 53 | import android.view.Surface.OutOfResourcesException; |
| 54 | import android.view.SurfaceControl; |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 55 | import android.view.ViewConfiguration; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 56 | import android.view.WindowInfo; |
| 57 | import android.view.WindowManager; |
| 58 | import android.view.WindowManagerInternal.MagnificationCallbacks; |
| 59 | import android.view.WindowManagerInternal.WindowsForAccessibilityCallback; |
| 60 | import android.view.WindowManagerPolicy; |
| 61 | import android.view.animation.DecelerateInterpolator; |
| 62 | import android.view.animation.Interpolator; |
| 63 | |
| 64 | import com.android.internal.R; |
| 65 | import com.android.internal.os.SomeArgs; |
| 66 | |
| 67 | import java.util.ArrayList; |
Allen Hair | f20ac2c | 2016-02-11 17:42:59 -0800 | [diff] [blame] | 68 | import java.util.HashSet; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 69 | import java.util.List; |
| 70 | import java.util.Set; |
| 71 | |
| 72 | /** |
| 73 | * This class contains the accessibility related logic of the window manger. |
| 74 | */ |
| 75 | final class AccessibilityController { |
| 76 | |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 77 | private final WindowManagerService mService; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 78 | |
| 79 | private static final float[] sTempFloats = new float[9]; |
| 80 | |
| 81 | public AccessibilityController(WindowManagerService service) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 82 | mService = service; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | private DisplayMagnifier mDisplayMagnifier; |
| 86 | |
| 87 | private WindowsForAccessibilityObserver mWindowsForAccessibilityObserver; |
| 88 | |
| 89 | public void setMagnificationCallbacksLocked(MagnificationCallbacks callbacks) { |
| 90 | if (callbacks != null) { |
| 91 | if (mDisplayMagnifier != null) { |
| 92 | throw new IllegalStateException("Magnification callbacks already set!"); |
| 93 | } |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 94 | mDisplayMagnifier = new DisplayMagnifier(mService, callbacks); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 95 | } else { |
| 96 | if (mDisplayMagnifier == null) { |
| 97 | throw new IllegalStateException("Magnification callbacks already cleared!"); |
| 98 | } |
| 99 | mDisplayMagnifier.destroyLocked(); |
| 100 | mDisplayMagnifier = null; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | public void setWindowsForAccessibilityCallback(WindowsForAccessibilityCallback callback) { |
| 105 | if (callback != null) { |
| 106 | if (mWindowsForAccessibilityObserver != null) { |
| 107 | throw new IllegalStateException( |
| 108 | "Windows for accessibility callback already set!"); |
| 109 | } |
| 110 | mWindowsForAccessibilityObserver = new WindowsForAccessibilityObserver( |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 111 | mService, callback); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 112 | } else { |
| 113 | if (mWindowsForAccessibilityObserver == null) { |
| 114 | throw new IllegalStateException( |
| 115 | "Windows for accessibility callback already cleared!"); |
| 116 | } |
| 117 | mWindowsForAccessibilityObserver = null; |
| 118 | } |
| 119 | } |
| 120 | |
Svetoslav Ganov | fd13889 | 2016-07-13 18:20:42 -0700 | [diff] [blame] | 121 | public void performComputeChangedWindowsNotLocked() { |
| 122 | WindowsForAccessibilityObserver observer = null; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 123 | synchronized (mService) { |
Svetoslav Ganov | fd13889 | 2016-07-13 18:20:42 -0700 | [diff] [blame] | 124 | observer = mWindowsForAccessibilityObserver; |
| 125 | } |
| 126 | if (observer != null) { |
| 127 | observer.performComputeChangedWindowsNotLocked(); |
| 128 | } |
| 129 | } |
| 130 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 131 | public void setMagnificationSpecLocked(MagnificationSpec spec) { |
| 132 | if (mDisplayMagnifier != null) { |
| 133 | mDisplayMagnifier.setMagnificationSpecLocked(spec); |
| 134 | } |
| 135 | if (mWindowsForAccessibilityObserver != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 136 | mWindowsForAccessibilityObserver.scheduleComputeChangedWindowsLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 140 | public void getMagnificationRegionLocked(Region outMagnificationRegion) { |
Alan Viverette | 59e53a1 | 2016-03-28 13:41:32 -0400 | [diff] [blame] | 141 | if (mDisplayMagnifier != null) { |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 142 | mDisplayMagnifier.getMagnificationRegionLocked(outMagnificationRegion); |
Alan Viverette | 59e53a1 | 2016-03-28 13:41:32 -0400 | [diff] [blame] | 143 | } |
| 144 | } |
| 145 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 146 | public void onRectangleOnScreenRequestedLocked(Rect rectangle) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 147 | if (mDisplayMagnifier != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 148 | mDisplayMagnifier.onRectangleOnScreenRequestedLocked(rectangle); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 149 | } |
| 150 | // Not relevant for the window observer. |
| 151 | } |
| 152 | |
| 153 | public void onWindowLayersChangedLocked() { |
| 154 | if (mDisplayMagnifier != null) { |
| 155 | mDisplayMagnifier.onWindowLayersChangedLocked(); |
| 156 | } |
| 157 | if (mWindowsForAccessibilityObserver != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 158 | mWindowsForAccessibilityObserver.scheduleComputeChangedWindowsLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 159 | } |
| 160 | } |
| 161 | |
Andrii Kulian | 8ee7285 | 2017-03-10 10:36:45 -0800 | [diff] [blame] | 162 | public void onRotationChangedLocked(DisplayContent displayContent) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 163 | if (mDisplayMagnifier != null) { |
Andrii Kulian | 8ee7285 | 2017-03-10 10:36:45 -0800 | [diff] [blame] | 164 | mDisplayMagnifier.onRotationChangedLocked(displayContent); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 165 | } |
| 166 | if (mWindowsForAccessibilityObserver != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 167 | mWindowsForAccessibilityObserver.scheduleComputeChangedWindowsLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 168 | } |
| 169 | } |
| 170 | |
| 171 | public void onAppWindowTransitionLocked(WindowState windowState, int transition) { |
| 172 | if (mDisplayMagnifier != null) { |
| 173 | mDisplayMagnifier.onAppWindowTransitionLocked(windowState, transition); |
| 174 | } |
| 175 | // Not relevant for the window observer. |
| 176 | } |
| 177 | |
| 178 | public void onWindowTransitionLocked(WindowState windowState, int transition) { |
| 179 | if (mDisplayMagnifier != null) { |
| 180 | mDisplayMagnifier.onWindowTransitionLocked(windowState, transition); |
| 181 | } |
| 182 | if (mWindowsForAccessibilityObserver != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 183 | mWindowsForAccessibilityObserver.scheduleComputeChangedWindowsLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 184 | } |
| 185 | } |
| 186 | |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 187 | public void onWindowFocusChangedNotLocked() { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 188 | // Not relevant for the display magnifier. |
| 189 | |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 190 | WindowsForAccessibilityObserver observer = null; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 191 | synchronized (mService) { |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 192 | observer = mWindowsForAccessibilityObserver; |
| 193 | } |
| 194 | if (observer != null) { |
| 195 | observer.performComputeChangedWindowsNotLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | |
Svetoslav | 4604abc | 2014-06-10 18:59:30 -0700 | [diff] [blame] | 199 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 200 | public void onSomeWindowResizedOrMovedLocked() { |
Svetoslav | 4604abc | 2014-06-10 18:59:30 -0700 | [diff] [blame] | 201 | // Not relevant for the display magnifier. |
| 202 | |
| 203 | if (mWindowsForAccessibilityObserver != null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 204 | mWindowsForAccessibilityObserver.scheduleComputeChangedWindowsLocked(); |
Svetoslav | 4604abc | 2014-06-10 18:59:30 -0700 | [diff] [blame] | 205 | } |
| 206 | } |
| 207 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 208 | /** NOTE: This has to be called within a surface transaction. */ |
| 209 | public void drawMagnifiedRegionBorderIfNeededLocked() { |
| 210 | if (mDisplayMagnifier != null) { |
| 211 | mDisplayMagnifier.drawMagnifiedRegionBorderIfNeededLocked(); |
| 212 | } |
| 213 | // Not relevant for the window observer. |
| 214 | } |
| 215 | |
| 216 | public MagnificationSpec getMagnificationSpecForWindowLocked(WindowState windowState) { |
| 217 | if (mDisplayMagnifier != null) { |
| 218 | return mDisplayMagnifier.getMagnificationSpecForWindowLocked(windowState); |
| 219 | } |
| 220 | return null; |
| 221 | } |
| 222 | |
| 223 | public boolean hasCallbacksLocked() { |
| 224 | return (mDisplayMagnifier != null |
| 225 | || mWindowsForAccessibilityObserver != null); |
| 226 | } |
| 227 | |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 228 | public void setForceShowMagnifiableBoundsLocked(boolean show) { |
| 229 | if (mDisplayMagnifier != null) { |
| 230 | mDisplayMagnifier.setForceShowMagnifiableBoundsLocked(show); |
Phil Weaver | 251db07 | 2017-03-28 08:35:38 -0700 | [diff] [blame] | 231 | mDisplayMagnifier.showMagnificationBoundsIfNeeded(); |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 232 | } |
| 233 | } |
| 234 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 235 | private static void populateTransformationMatrixLocked(WindowState windowState, |
| 236 | Matrix outMatrix) { |
| 237 | sTempFloats[Matrix.MSCALE_X] = windowState.mWinAnimator.mDsDx; |
| 238 | sTempFloats[Matrix.MSKEW_Y] = windowState.mWinAnimator.mDtDx; |
Robert Carr | 0edf18f | 2017-02-21 20:01:47 -0800 | [diff] [blame] | 239 | sTempFloats[Matrix.MSKEW_X] = windowState.mWinAnimator.mDtDy; |
| 240 | sTempFloats[Matrix.MSCALE_Y] = windowState.mWinAnimator.mDsDy; |
Filip Gruszczynski | 2a6a2c2 | 2015-10-14 12:00:53 -0700 | [diff] [blame] | 241 | sTempFloats[Matrix.MTRANS_X] = windowState.mShownPosition.x; |
| 242 | sTempFloats[Matrix.MTRANS_Y] = windowState.mShownPosition.y; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 243 | sTempFloats[Matrix.MPERSP_0] = 0; |
| 244 | sTempFloats[Matrix.MPERSP_1] = 0; |
| 245 | sTempFloats[Matrix.MPERSP_2] = 1; |
| 246 | outMatrix.setValues(sTempFloats); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * This class encapsulates the functionality related to display magnification. |
| 251 | */ |
| 252 | private static final class DisplayMagnifier { |
| 253 | |
Filip Gruszczynski | 0bd180d | 2015-12-07 15:43:52 -0800 | [diff] [blame] | 254 | private static final String LOG_TAG = TAG_WITH_CLASS_NAME ? "DisplayMagnifier" : TAG_WM; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 255 | |
| 256 | private static final boolean DEBUG_WINDOW_TRANSITIONS = false; |
| 257 | private static final boolean DEBUG_ROTATION = false; |
| 258 | private static final boolean DEBUG_LAYERS = false; |
| 259 | private static final boolean DEBUG_RECTANGLE_REQUESTED = false; |
| 260 | private static final boolean DEBUG_VIEWPORT_WINDOW = false; |
| 261 | |
| 262 | private final Rect mTempRect1 = new Rect(); |
| 263 | private final Rect mTempRect2 = new Rect(); |
| 264 | |
| 265 | private final Region mTempRegion1 = new Region(); |
| 266 | private final Region mTempRegion2 = new Region(); |
| 267 | private final Region mTempRegion3 = new Region(); |
| 268 | private final Region mTempRegion4 = new Region(); |
| 269 | |
| 270 | private final Context mContext; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 271 | private final WindowManagerService mService; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 272 | private final MagnifiedViewport mMagnifedViewport; |
| 273 | private final Handler mHandler; |
| 274 | |
| 275 | private final MagnificationCallbacks mCallbacks; |
| 276 | |
| 277 | private final long mLongAnimationDuration; |
| 278 | |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 279 | private boolean mForceShowMagnifiableBounds = false; |
| 280 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 281 | public DisplayMagnifier(WindowManagerService windowManagerService, |
| 282 | MagnificationCallbacks callbacks) { |
| 283 | mContext = windowManagerService.mContext; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 284 | mService = windowManagerService; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 285 | mCallbacks = callbacks; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 286 | mHandler = new MyHandler(mService.mH.getLooper()); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 287 | mMagnifedViewport = new MagnifiedViewport(); |
| 288 | mLongAnimationDuration = mContext.getResources().getInteger( |
| 289 | com.android.internal.R.integer.config_longAnimTime); |
| 290 | } |
| 291 | |
| 292 | public void setMagnificationSpecLocked(MagnificationSpec spec) { |
| 293 | mMagnifedViewport.updateMagnificationSpecLocked(spec); |
| 294 | mMagnifedViewport.recomputeBoundsLocked(); |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 295 | mService.scheduleAnimationLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 296 | } |
| 297 | |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 298 | public void setForceShowMagnifiableBoundsLocked(boolean show) { |
| 299 | mForceShowMagnifiableBounds = show; |
| 300 | mMagnifedViewport.setMagnifiedRegionBorderShownLocked(show, true); |
| 301 | } |
| 302 | |
| 303 | public boolean isForceShowingMagnifiableBoundsLocked() { |
| 304 | return mForceShowMagnifiableBounds; |
| 305 | } |
| 306 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 307 | public void onRectangleOnScreenRequestedLocked(Rect rectangle) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 308 | if (DEBUG_RECTANGLE_REQUESTED) { |
| 309 | Slog.i(LOG_TAG, "Rectangle on screen requested: " + rectangle); |
| 310 | } |
| 311 | if (!mMagnifedViewport.isMagnifyingLocked()) { |
| 312 | return; |
| 313 | } |
| 314 | Rect magnifiedRegionBounds = mTempRect2; |
| 315 | mMagnifedViewport.getMagnifiedFrameInContentCoordsLocked(magnifiedRegionBounds); |
| 316 | if (magnifiedRegionBounds.contains(rectangle)) { |
| 317 | return; |
| 318 | } |
| 319 | SomeArgs args = SomeArgs.obtain(); |
| 320 | args.argi1 = rectangle.left; |
| 321 | args.argi2 = rectangle.top; |
| 322 | args.argi3 = rectangle.right; |
| 323 | args.argi4 = rectangle.bottom; |
| 324 | mHandler.obtainMessage(MyHandler.MESSAGE_NOTIFY_RECTANGLE_ON_SCREEN_REQUESTED, |
| 325 | args).sendToTarget(); |
| 326 | } |
| 327 | |
| 328 | public void onWindowLayersChangedLocked() { |
| 329 | if (DEBUG_LAYERS) { |
| 330 | Slog.i(LOG_TAG, "Layers changed."); |
| 331 | } |
| 332 | mMagnifedViewport.recomputeBoundsLocked(); |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 333 | mService.scheduleAnimationLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 334 | } |
| 335 | |
Andrii Kulian | 8ee7285 | 2017-03-10 10:36:45 -0800 | [diff] [blame] | 336 | public void onRotationChangedLocked(DisplayContent displayContent) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 337 | if (DEBUG_ROTATION) { |
Andrii Kulian | 8ee7285 | 2017-03-10 10:36:45 -0800 | [diff] [blame] | 338 | final int rotation = displayContent.getRotation(); |
| 339 | Slog.i(LOG_TAG, "Rotation: " + Surface.rotationToString(rotation) |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 340 | + " displayId: " + displayContent.getDisplayId()); |
| 341 | } |
| 342 | mMagnifedViewport.onRotationChangedLocked(); |
| 343 | mHandler.sendEmptyMessage(MyHandler.MESSAGE_NOTIFY_ROTATION_CHANGED); |
| 344 | } |
| 345 | |
| 346 | public void onAppWindowTransitionLocked(WindowState windowState, int transition) { |
| 347 | if (DEBUG_WINDOW_TRANSITIONS) { |
| 348 | Slog.i(LOG_TAG, "Window transition: " |
| 349 | + AppTransition.appTransitionToString(transition) |
| 350 | + " displayId: " + windowState.getDisplayId()); |
| 351 | } |
| 352 | final boolean magnifying = mMagnifedViewport.isMagnifyingLocked(); |
| 353 | if (magnifying) { |
| 354 | switch (transition) { |
| 355 | case AppTransition.TRANSIT_ACTIVITY_OPEN: |
| 356 | case AppTransition.TRANSIT_TASK_OPEN: |
| 357 | case AppTransition.TRANSIT_TASK_TO_FRONT: |
| 358 | case AppTransition.TRANSIT_WALLPAPER_OPEN: |
| 359 | case AppTransition.TRANSIT_WALLPAPER_CLOSE: |
| 360 | case AppTransition.TRANSIT_WALLPAPER_INTRA_OPEN: { |
| 361 | mHandler.sendEmptyMessage(MyHandler.MESSAGE_NOTIFY_USER_CONTEXT_CHANGED); |
| 362 | } |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | public void onWindowTransitionLocked(WindowState windowState, int transition) { |
| 368 | if (DEBUG_WINDOW_TRANSITIONS) { |
| 369 | Slog.i(LOG_TAG, "Window transition: " |
| 370 | + AppTransition.appTransitionToString(transition) |
| 371 | + " displayId: " + windowState.getDisplayId()); |
| 372 | } |
| 373 | final boolean magnifying = mMagnifedViewport.isMagnifyingLocked(); |
| 374 | final int type = windowState.mAttrs.type; |
| 375 | switch (transition) { |
| 376 | case WindowManagerPolicy.TRANSIT_ENTER: |
| 377 | case WindowManagerPolicy.TRANSIT_SHOW: { |
| 378 | if (!magnifying) { |
| 379 | break; |
| 380 | } |
| 381 | switch (type) { |
| 382 | case WindowManager.LayoutParams.TYPE_APPLICATION: |
Chong Zhang | fea963e | 2016-08-15 17:14:16 -0700 | [diff] [blame] | 383 | case WindowManager.LayoutParams.TYPE_DRAWN_APPLICATION: |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 384 | case WindowManager.LayoutParams.TYPE_APPLICATION_PANEL: |
| 385 | case WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA: |
| 386 | case WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL: |
Wale Ogunwale | 0a4dc22 | 2015-04-14 12:58:42 -0700 | [diff] [blame] | 387 | case WindowManager.LayoutParams.TYPE_APPLICATION_ABOVE_SUB_PANEL: |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 388 | case WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG: |
| 389 | case WindowManager.LayoutParams.TYPE_SEARCH_BAR: |
| 390 | case WindowManager.LayoutParams.TYPE_PHONE: |
| 391 | case WindowManager.LayoutParams.TYPE_SYSTEM_ALERT: |
| 392 | case WindowManager.LayoutParams.TYPE_TOAST: |
| 393 | case WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY: |
Wale Ogunwale | 5cd907d | 2017-01-26 14:14:08 -0800 | [diff] [blame] | 394 | case WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY: |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 395 | case WindowManager.LayoutParams.TYPE_PRIORITY_PHONE: |
| 396 | case WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG: |
| 397 | case WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG: |
| 398 | case WindowManager.LayoutParams.TYPE_SYSTEM_ERROR: |
| 399 | case WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY: |
Jason Monk | 8f7f318 | 2015-11-18 16:35:14 -0500 | [diff] [blame] | 400 | case WindowManager.LayoutParams.TYPE_QS_DIALOG: |
Adrian Roos | 9a64513 | 2014-10-08 02:59:56 +0200 | [diff] [blame] | 401 | case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL: { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 402 | Rect magnifiedRegionBounds = mTempRect2; |
| 403 | mMagnifedViewport.getMagnifiedFrameInContentCoordsLocked( |
| 404 | magnifiedRegionBounds); |
| 405 | Rect touchableRegionBounds = mTempRect1; |
| 406 | windowState.getTouchableRegion(mTempRegion1); |
| 407 | mTempRegion1.getBounds(touchableRegionBounds); |
| 408 | if (!magnifiedRegionBounds.intersect(touchableRegionBounds)) { |
| 409 | mCallbacks.onRectangleOnScreenRequested( |
| 410 | touchableRegionBounds.left, |
| 411 | touchableRegionBounds.top, |
| 412 | touchableRegionBounds.right, |
| 413 | touchableRegionBounds.bottom); |
| 414 | } |
| 415 | } break; |
| 416 | } break; |
| 417 | } |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | public MagnificationSpec getMagnificationSpecForWindowLocked(WindowState windowState) { |
| 422 | MagnificationSpec spec = mMagnifedViewport.getMagnificationSpecLocked(); |
| 423 | if (spec != null && !spec.isNop()) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 424 | if (!mService.mPolicy.canMagnifyWindow(windowState.mAttrs.type)) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 425 | return null; |
| 426 | } |
| 427 | } |
| 428 | return spec; |
| 429 | } |
| 430 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 431 | public void getMagnificationRegionLocked(Region outMagnificationRegion) { |
Phil Weaver | 53b690b | 2017-08-14 17:42:39 -0700 | [diff] [blame] | 432 | // Make sure we're working with the most current bounds |
| 433 | mMagnifedViewport.recomputeBoundsLocked(); |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 434 | mMagnifedViewport.getMagnificationRegionLocked(outMagnificationRegion); |
Alan Viverette | 59e53a1 | 2016-03-28 13:41:32 -0400 | [diff] [blame] | 435 | } |
| 436 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 437 | public void destroyLocked() { |
| 438 | mMagnifedViewport.destroyWindow(); |
| 439 | } |
| 440 | |
Phil Weaver | 251db07 | 2017-03-28 08:35:38 -0700 | [diff] [blame] | 441 | // Can be called outside of a surface transaction |
| 442 | public void showMagnificationBoundsIfNeeded() { |
| 443 | mHandler.obtainMessage(MyHandler.MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED) |
| 444 | .sendToTarget(); |
| 445 | } |
| 446 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 447 | /** NOTE: This has to be called within a surface transaction. */ |
| 448 | public void drawMagnifiedRegionBorderIfNeededLocked() { |
| 449 | mMagnifedViewport.drawWindowIfNeededLocked(); |
| 450 | } |
| 451 | |
| 452 | private final class MagnifiedViewport { |
| 453 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 454 | private final SparseArray<WindowState> mTempWindowStates = |
| 455 | new SparseArray<WindowState>(); |
| 456 | |
| 457 | private final RectF mTempRectF = new RectF(); |
| 458 | |
| 459 | private final Point mTempPoint = new Point(); |
| 460 | |
| 461 | private final Matrix mTempMatrix = new Matrix(); |
| 462 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 463 | private final Region mMagnificationRegion = new Region(); |
| 464 | private final Region mOldMagnificationRegion = new Region(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 465 | |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 466 | private final Path mCircularPath; |
| 467 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 468 | private final MagnificationSpec mMagnificationSpec = MagnificationSpec.obtain(); |
| 469 | |
| 470 | private final WindowManager mWindowManager; |
| 471 | |
Svetoslav | 7505e33 | 2014-08-22 12:14:28 -0700 | [diff] [blame] | 472 | private final float mBorderWidth; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 473 | private final int mHalfBorderWidth; |
Svetoslav | 7505e33 | 2014-08-22 12:14:28 -0700 | [diff] [blame] | 474 | private final int mDrawBorderInset; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 475 | |
| 476 | private final ViewportWindow mWindow; |
| 477 | |
| 478 | private boolean mFullRedrawNeeded; |
| 479 | |
| 480 | public MagnifiedViewport() { |
| 481 | mWindowManager = (WindowManager) mContext.getSystemService(Service.WINDOW_SERVICE); |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 482 | mBorderWidth = mContext.getResources().getDimension( |
| 483 | com.android.internal.R.dimen.accessibility_magnification_indicator_width); |
Svetoslav | 7505e33 | 2014-08-22 12:14:28 -0700 | [diff] [blame] | 484 | mHalfBorderWidth = (int) Math.ceil(mBorderWidth / 2); |
| 485 | mDrawBorderInset = (int) mBorderWidth / 2; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 486 | mWindow = new ViewportWindow(mContext); |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 487 | |
Adam Powell | 01f280d | 2015-05-18 16:07:42 -0700 | [diff] [blame] | 488 | if (mContext.getResources().getConfiguration().isScreenRound()) { |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 489 | mCircularPath = new Path(); |
| 490 | mWindowManager.getDefaultDisplay().getRealSize(mTempPoint); |
| 491 | final int centerXY = mTempPoint.x / 2; |
| 492 | mCircularPath.addCircle(centerXY, centerXY, centerXY, Path.Direction.CW); |
| 493 | } else { |
| 494 | mCircularPath = null; |
| 495 | } |
| 496 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 497 | recomputeBoundsLocked(); |
| 498 | } |
| 499 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 500 | public void getMagnificationRegionLocked(@NonNull Region outMagnificationRegion) { |
| 501 | outMagnificationRegion.set(mMagnificationRegion); |
Alan Viverette | 59e53a1 | 2016-03-28 13:41:32 -0400 | [diff] [blame] | 502 | } |
| 503 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 504 | public void updateMagnificationSpecLocked(MagnificationSpec spec) { |
| 505 | if (spec != null) { |
| 506 | mMagnificationSpec.initialize(spec.scale, spec.offsetX, spec.offsetY); |
| 507 | } else { |
| 508 | mMagnificationSpec.clear(); |
| 509 | } |
| 510 | // If this message is pending we are in a rotation animation and do not want |
| 511 | // to show the border. We will do so when the pending message is handled. |
Svetoslav | 7505e33 | 2014-08-22 12:14:28 -0700 | [diff] [blame] | 512 | if (!mHandler.hasMessages( |
| 513 | MyHandler.MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED)) { |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 514 | setMagnifiedRegionBorderShownLocked( |
| 515 | isMagnifyingLocked() || isForceShowingMagnifiableBoundsLocked(), true); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 516 | } |
| 517 | } |
| 518 | |
| 519 | public void recomputeBoundsLocked() { |
| 520 | mWindowManager.getDefaultDisplay().getRealSize(mTempPoint); |
| 521 | final int screenWidth = mTempPoint.x; |
| 522 | final int screenHeight = mTempPoint.y; |
| 523 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 524 | mMagnificationRegion.set(0, 0, 0, 0); |
| 525 | final Region availableBounds = mTempRegion1; |
| 526 | availableBounds.set(0, 0, screenWidth, screenHeight); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 527 | |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 528 | if (mCircularPath != null) { |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 529 | availableBounds.setPath(mCircularPath, availableBounds); |
Casey Burkhardt | d29a1e4 | 2015-02-12 14:07:55 -0800 | [diff] [blame] | 530 | } |
| 531 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 532 | Region nonMagnifiedBounds = mTempRegion4; |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 533 | nonMagnifiedBounds.set(0, 0, 0, 0); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 534 | |
| 535 | SparseArray<WindowState> visibleWindows = mTempWindowStates; |
| 536 | visibleWindows.clear(); |
| 537 | populateWindowsOnScreenLocked(visibleWindows); |
| 538 | |
| 539 | final int visibleWindowCount = visibleWindows.size(); |
| 540 | for (int i = visibleWindowCount - 1; i >= 0; i--) { |
| 541 | WindowState windowState = visibleWindows.valueAt(i); |
Phil Weaver | d321075e | 2017-06-13 09:13:35 -0700 | [diff] [blame] | 542 | if ((windowState.mAttrs.type == TYPE_MAGNIFICATION_OVERLAY) |
| 543 | || ((windowState.mAttrs.privateFlags |
Robert Carr | 132c9f5 | 2017-07-31 17:02:30 -0700 | [diff] [blame] | 544 | & PRIVATE_FLAG_IS_ROUNDED_CORNERS_OVERLAY) != 0)) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 545 | continue; |
| 546 | } |
| 547 | |
Phil Weaver | 65c0670 | 2016-03-15 15:33:46 -0700 | [diff] [blame] | 548 | // Consider the touchable portion of the window |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 549 | Matrix matrix = mTempMatrix; |
| 550 | populateTransformationMatrixLocked(windowState, matrix); |
Phil Weaver | 65c0670 | 2016-03-15 15:33:46 -0700 | [diff] [blame] | 551 | Region touchableRegion = mTempRegion3; |
| 552 | windowState.getTouchableRegion(touchableRegion); |
| 553 | Rect touchableFrame = mTempRect1; |
| 554 | touchableRegion.getBounds(touchableFrame); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 555 | RectF windowFrame = mTempRectF; |
Phil Weaver | 65c0670 | 2016-03-15 15:33:46 -0700 | [diff] [blame] | 556 | windowFrame.set(touchableFrame); |
| 557 | windowFrame.offset(-windowState.mFrame.left, -windowState.mFrame.top); |
| 558 | matrix.mapRect(windowFrame); |
| 559 | Region windowBounds = mTempRegion2; |
| 560 | windowBounds.set((int) windowFrame.left, (int) windowFrame.top, |
| 561 | (int) windowFrame.right, (int) windowFrame.bottom); |
| 562 | // Only update new regions |
| 563 | Region portionOfWindowAlreadyAccountedFor = mTempRegion3; |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 564 | portionOfWindowAlreadyAccountedFor.set(mMagnificationRegion); |
Phil Weaver | 65c0670 | 2016-03-15 15:33:46 -0700 | [diff] [blame] | 565 | portionOfWindowAlreadyAccountedFor.op(nonMagnifiedBounds, Region.Op.UNION); |
| 566 | windowBounds.op(portionOfWindowAlreadyAccountedFor, Region.Op.DIFFERENCE); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 567 | |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 568 | if (mService.mPolicy.canMagnifyWindow(windowState.mAttrs.type)) { |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 569 | mMagnificationRegion.op(windowBounds, Region.Op.UNION); |
| 570 | mMagnificationRegion.op(availableBounds, Region.Op.INTERSECT); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 571 | } else { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 572 | nonMagnifiedBounds.op(windowBounds, Region.Op.UNION); |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 573 | availableBounds.op(windowBounds, Region.Op.DIFFERENCE); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 574 | } |
| 575 | |
Phil Weaver | 65c0670 | 2016-03-15 15:33:46 -0700 | [diff] [blame] | 576 | // Update accounted bounds |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 577 | Region accountedBounds = mTempRegion2; |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 578 | accountedBounds.set(mMagnificationRegion); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 579 | accountedBounds.op(nonMagnifiedBounds, Region.Op.UNION); |
| 580 | accountedBounds.op(0, 0, screenWidth, screenHeight, Region.Op.INTERSECT); |
| 581 | |
| 582 | if (accountedBounds.isRect()) { |
| 583 | Rect accountedFrame = mTempRect1; |
| 584 | accountedBounds.getBounds(accountedFrame); |
| 585 | if (accountedFrame.width() == screenWidth |
| 586 | && accountedFrame.height() == screenHeight) { |
| 587 | break; |
| 588 | } |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | visibleWindows.clear(); |
| 593 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 594 | mMagnificationRegion.op(mDrawBorderInset, mDrawBorderInset, |
Svetoslav | 7505e33 | 2014-08-22 12:14:28 -0700 | [diff] [blame] | 595 | screenWidth - mDrawBorderInset, screenHeight - mDrawBorderInset, |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 596 | Region.Op.INTERSECT); |
| 597 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 598 | final boolean magnifiedChanged = |
| 599 | !mOldMagnificationRegion.equals(mMagnificationRegion); |
| 600 | if (magnifiedChanged) { |
| 601 | mWindow.setBounds(mMagnificationRegion); |
| 602 | final Rect dirtyRect = mTempRect1; |
| 603 | if (mFullRedrawNeeded) { |
| 604 | mFullRedrawNeeded = false; |
| 605 | dirtyRect.set(mDrawBorderInset, mDrawBorderInset, |
| 606 | screenWidth - mDrawBorderInset, |
| 607 | screenHeight - mDrawBorderInset); |
| 608 | mWindow.invalidate(dirtyRect); |
| 609 | } else { |
| 610 | final Region dirtyRegion = mTempRegion3; |
| 611 | dirtyRegion.set(mMagnificationRegion); |
| 612 | dirtyRegion.op(mOldMagnificationRegion, Region.Op.UNION); |
| 613 | dirtyRegion.op(nonMagnifiedBounds, Region.Op.INTERSECT); |
| 614 | dirtyRegion.getBounds(dirtyRect); |
| 615 | mWindow.invalidate(dirtyRect); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 616 | } |
| 617 | |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 618 | mOldMagnificationRegion.set(mMagnificationRegion); |
Alan Viverette | 214fb68 | 2015-11-17 09:47:11 -0500 | [diff] [blame] | 619 | final SomeArgs args = SomeArgs.obtain(); |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 620 | args.arg1 = Region.obtain(mMagnificationRegion); |
Alan Viverette | 214fb68 | 2015-11-17 09:47:11 -0500 | [diff] [blame] | 621 | mHandler.obtainMessage( |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 622 | MyHandler.MESSAGE_NOTIFY_MAGNIFICATION_REGION_CHANGED, args) |
| 623 | .sendToTarget(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 624 | } |
| 625 | } |
| 626 | |
| 627 | public void onRotationChangedLocked() { |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 628 | // If we are showing the magnification border, hide it immediately so |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 629 | // the user does not see strange artifacts during rotation. The screenshot |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 630 | // used for rotation already has the border. After the rotation is complete |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 631 | // we will show the border. |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 632 | if (isMagnifyingLocked() || isForceShowingMagnifiableBoundsLocked()) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 633 | setMagnifiedRegionBorderShownLocked(false, false); |
| 634 | final long delay = (long) (mLongAnimationDuration |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 635 | * mService.getWindowAnimationScaleLocked()); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 636 | Message message = mHandler.obtainMessage( |
| 637 | MyHandler.MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED); |
| 638 | mHandler.sendMessageDelayed(message, delay); |
| 639 | } |
| 640 | recomputeBoundsLocked(); |
| 641 | mWindow.updateSize(); |
| 642 | } |
| 643 | |
| 644 | public void setMagnifiedRegionBorderShownLocked(boolean shown, boolean animate) { |
| 645 | if (shown) { |
| 646 | mFullRedrawNeeded = true; |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 647 | mOldMagnificationRegion.set(0, 0, 0, 0); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 648 | } |
| 649 | mWindow.setShown(shown, animate); |
| 650 | } |
| 651 | |
| 652 | public void getMagnifiedFrameInContentCoordsLocked(Rect rect) { |
| 653 | MagnificationSpec spec = mMagnificationSpec; |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 654 | mMagnificationRegion.getBounds(rect); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 655 | rect.offset((int) -spec.offsetX, (int) -spec.offsetY); |
| 656 | rect.scale(1.0f / spec.scale); |
| 657 | } |
| 658 | |
| 659 | public boolean isMagnifyingLocked() { |
| 660 | return mMagnificationSpec.scale > 1.0f; |
| 661 | } |
| 662 | |
| 663 | public MagnificationSpec getMagnificationSpecLocked() { |
| 664 | return mMagnificationSpec; |
| 665 | } |
| 666 | |
| 667 | /** NOTE: This has to be called within a surface transaction. */ |
| 668 | public void drawWindowIfNeededLocked() { |
| 669 | recomputeBoundsLocked(); |
| 670 | mWindow.drawIfNeeded(); |
| 671 | } |
| 672 | |
| 673 | public void destroyWindow() { |
| 674 | mWindow.releaseSurface(); |
| 675 | } |
| 676 | |
| 677 | private void populateWindowsOnScreenLocked(SparseArray<WindowState> outWindows) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 678 | final DisplayContent dc = mService.getDefaultDisplayContentLocked(); |
Wale Ogunwale | d188096 | 2016-11-08 10:31:59 -0800 | [diff] [blame] | 679 | dc.forAllWindows((w) -> { |
| 680 | if (w.isOnScreen() && w.isVisibleLw() |
| 681 | && !w.mWinAnimator.mEnterAnimationPending) { |
| 682 | outWindows.put(w.mLayer, w); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 683 | } |
Wale Ogunwale | d188096 | 2016-11-08 10:31:59 -0800 | [diff] [blame] | 684 | }, false /* traverseTopToBottom */ ); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | private final class ViewportWindow { |
| 688 | private static final String SURFACE_TITLE = "Magnification Overlay"; |
| 689 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 690 | private final Region mBounds = new Region(); |
| 691 | private final Rect mDirtyRect = new Rect(); |
| 692 | private final Paint mPaint = new Paint(); |
| 693 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 694 | private final SurfaceControl mSurfaceControl; |
| 695 | private final Surface mSurface = new Surface(); |
| 696 | |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 697 | private final AnimationController mAnimationController; |
| 698 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 699 | private boolean mShown; |
| 700 | private int mAlpha; |
| 701 | |
| 702 | private boolean mInvalidated; |
| 703 | |
| 704 | public ViewportWindow(Context context) { |
| 705 | SurfaceControl surfaceControl = null; |
| 706 | try { |
| 707 | mWindowManager.getDefaultDisplay().getRealSize(mTempPoint); |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 708 | surfaceControl = new SurfaceControl.Builder(mService.mFxSession) |
| 709 | .setName(SURFACE_TITLE) |
| 710 | .setSize(mTempPoint.x, mTempPoint.y) // not a typo |
| 711 | .setFormat(PixelFormat.TRANSLUCENT) |
| 712 | .build(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 713 | } catch (OutOfResourcesException oore) { |
| 714 | /* ignore */ |
| 715 | } |
| 716 | mSurfaceControl = surfaceControl; |
| 717 | mSurfaceControl.setLayerStack(mWindowManager.getDefaultDisplay() |
| 718 | .getLayerStack()); |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 719 | mSurfaceControl.setLayer(mService.mPolicy.getWindowLayerFromTypeLw( |
Phil Weaver | d321075e | 2017-06-13 09:13:35 -0700 | [diff] [blame] | 720 | TYPE_MAGNIFICATION_OVERLAY) |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 721 | * WindowManagerService.TYPE_LAYER_MULTIPLIER); |
| 722 | mSurfaceControl.setPosition(0, 0); |
| 723 | mSurface.copyFrom(mSurfaceControl); |
| 724 | |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 725 | mAnimationController = new AnimationController(context, |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 726 | mService.mH.getLooper()); |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 727 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 728 | TypedValue typedValue = new TypedValue(); |
| 729 | context.getTheme().resolveAttribute(R.attr.colorActivatedHighlight, |
| 730 | typedValue, true); |
Alan Viverette | 4a357cd | 2015-03-18 18:37:18 -0700 | [diff] [blame] | 731 | final int borderColor = context.getColor(typedValue.resourceId); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 732 | |
| 733 | mPaint.setStyle(Paint.Style.STROKE); |
| 734 | mPaint.setStrokeWidth(mBorderWidth); |
| 735 | mPaint.setColor(borderColor); |
| 736 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 737 | mInvalidated = true; |
| 738 | } |
| 739 | |
| 740 | public void setShown(boolean shown, boolean animate) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 741 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 742 | if (mShown == shown) { |
| 743 | return; |
| 744 | } |
| 745 | mShown = shown; |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 746 | mAnimationController.onFrameShownStateChanged(shown, animate); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 747 | if (DEBUG_VIEWPORT_WINDOW) { |
| 748 | Slog.i(LOG_TAG, "ViewportWindow shown: " + mShown); |
| 749 | } |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | @SuppressWarnings("unused") |
| 754 | // Called reflectively from an animator. |
| 755 | public int getAlpha() { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 756 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 757 | return mAlpha; |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | public void setAlpha(int alpha) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 762 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 763 | if (mAlpha == alpha) { |
| 764 | return; |
| 765 | } |
| 766 | mAlpha = alpha; |
| 767 | invalidate(null); |
| 768 | if (DEBUG_VIEWPORT_WINDOW) { |
| 769 | Slog.i(LOG_TAG, "ViewportWindow set alpha: " + alpha); |
| 770 | } |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | public void setBounds(Region bounds) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 775 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 776 | if (mBounds.equals(bounds)) { |
| 777 | return; |
| 778 | } |
| 779 | mBounds.set(bounds); |
| 780 | invalidate(mDirtyRect); |
| 781 | if (DEBUG_VIEWPORT_WINDOW) { |
| 782 | Slog.i(LOG_TAG, "ViewportWindow set bounds: " + bounds); |
| 783 | } |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | public void updateSize() { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 788 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 789 | mWindowManager.getDefaultDisplay().getRealSize(mTempPoint); |
| 790 | mSurfaceControl.setSize(mTempPoint.x, mTempPoint.y); |
| 791 | invalidate(mDirtyRect); |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | public void invalidate(Rect dirtyRect) { |
| 796 | if (dirtyRect != null) { |
| 797 | mDirtyRect.set(dirtyRect); |
| 798 | } else { |
| 799 | mDirtyRect.setEmpty(); |
| 800 | } |
| 801 | mInvalidated = true; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 802 | mService.scheduleAnimationLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | /** NOTE: This has to be called within a surface transaction. */ |
| 806 | public void drawIfNeeded() { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 807 | synchronized (mService.mWindowMap) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 808 | if (!mInvalidated) { |
| 809 | return; |
| 810 | } |
| 811 | mInvalidated = false; |
| 812 | Canvas canvas = null; |
| 813 | try { |
| 814 | // Empty dirty rectangle means unspecified. |
| 815 | if (mDirtyRect.isEmpty()) { |
| 816 | mBounds.getBounds(mDirtyRect); |
| 817 | } |
| 818 | mDirtyRect.inset(- mHalfBorderWidth, - mHalfBorderWidth); |
| 819 | canvas = mSurface.lockCanvas(mDirtyRect); |
| 820 | if (DEBUG_VIEWPORT_WINDOW) { |
| 821 | Slog.i(LOG_TAG, "Dirty rect: " + mDirtyRect); |
| 822 | } |
| 823 | } catch (IllegalArgumentException iae) { |
| 824 | /* ignore */ |
| 825 | } catch (Surface.OutOfResourcesException oore) { |
| 826 | /* ignore */ |
| 827 | } |
| 828 | if (canvas == null) { |
| 829 | return; |
| 830 | } |
| 831 | if (DEBUG_VIEWPORT_WINDOW) { |
| 832 | Slog.i(LOG_TAG, "Bounds: " + mBounds); |
| 833 | } |
| 834 | canvas.drawColor(Color.TRANSPARENT, Mode.CLEAR); |
| 835 | mPaint.setAlpha(mAlpha); |
| 836 | Path path = mBounds.getBoundaryPath(); |
| 837 | canvas.drawPath(path, mPaint); |
| 838 | |
| 839 | mSurface.unlockCanvasAndPost(canvas); |
| 840 | |
| 841 | if (mAlpha > 0) { |
| 842 | mSurfaceControl.show(); |
| 843 | } else { |
| 844 | mSurfaceControl.hide(); |
| 845 | } |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | public void releaseSurface() { |
| 850 | mSurfaceControl.release(); |
| 851 | mSurface.release(); |
| 852 | } |
Svet Ganov | b21df80 | 2014-09-01 19:06:33 -0700 | [diff] [blame] | 853 | |
| 854 | private final class AnimationController extends Handler { |
| 855 | private static final String PROPERTY_NAME_ALPHA = "alpha"; |
| 856 | |
| 857 | private static final int MIN_ALPHA = 0; |
| 858 | private static final int MAX_ALPHA = 255; |
| 859 | |
| 860 | private static final int MSG_FRAME_SHOWN_STATE_CHANGED = 1; |
| 861 | |
| 862 | private final ValueAnimator mShowHideFrameAnimator; |
| 863 | |
| 864 | public AnimationController(Context context, Looper looper) { |
| 865 | super(looper); |
| 866 | mShowHideFrameAnimator = ObjectAnimator.ofInt(ViewportWindow.this, |
| 867 | PROPERTY_NAME_ALPHA, MIN_ALPHA, MAX_ALPHA); |
| 868 | |
| 869 | Interpolator interpolator = new DecelerateInterpolator(2.5f); |
| 870 | final long longAnimationDuration = context.getResources().getInteger( |
| 871 | com.android.internal.R.integer.config_longAnimTime); |
| 872 | |
| 873 | mShowHideFrameAnimator.setInterpolator(interpolator); |
| 874 | mShowHideFrameAnimator.setDuration(longAnimationDuration); |
| 875 | } |
| 876 | |
| 877 | public void onFrameShownStateChanged(boolean shown, boolean animate) { |
| 878 | obtainMessage(MSG_FRAME_SHOWN_STATE_CHANGED, |
| 879 | shown ? 1 : 0, animate ? 1 : 0).sendToTarget(); |
| 880 | } |
| 881 | |
| 882 | @Override |
| 883 | public void handleMessage(Message message) { |
| 884 | switch (message.what) { |
| 885 | case MSG_FRAME_SHOWN_STATE_CHANGED: { |
| 886 | final boolean shown = message.arg1 == 1; |
| 887 | final boolean animate = message.arg2 == 1; |
| 888 | |
| 889 | if (animate) { |
| 890 | if (mShowHideFrameAnimator.isRunning()) { |
| 891 | mShowHideFrameAnimator.reverse(); |
| 892 | } else { |
| 893 | if (shown) { |
| 894 | mShowHideFrameAnimator.start(); |
| 895 | } else { |
| 896 | mShowHideFrameAnimator.reverse(); |
| 897 | } |
| 898 | } |
| 899 | } else { |
| 900 | mShowHideFrameAnimator.cancel(); |
| 901 | if (shown) { |
| 902 | setAlpha(MAX_ALPHA); |
| 903 | } else { |
| 904 | setAlpha(MIN_ALPHA); |
| 905 | } |
| 906 | } |
| 907 | } break; |
| 908 | } |
| 909 | } |
| 910 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 911 | } |
| 912 | } |
| 913 | |
| 914 | private class MyHandler extends Handler { |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 915 | public static final int MESSAGE_NOTIFY_MAGNIFICATION_REGION_CHANGED = 1; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 916 | public static final int MESSAGE_NOTIFY_RECTANGLE_ON_SCREEN_REQUESTED = 2; |
| 917 | public static final int MESSAGE_NOTIFY_USER_CONTEXT_CHANGED = 3; |
| 918 | public static final int MESSAGE_NOTIFY_ROTATION_CHANGED = 4; |
| 919 | public static final int MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED = 5; |
| 920 | |
| 921 | public MyHandler(Looper looper) { |
| 922 | super(looper); |
| 923 | } |
| 924 | |
| 925 | @Override |
| 926 | public void handleMessage(Message message) { |
| 927 | switch (message.what) { |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 928 | case MESSAGE_NOTIFY_MAGNIFICATION_REGION_CHANGED: { |
Alan Viverette | 214fb68 | 2015-11-17 09:47:11 -0500 | [diff] [blame] | 929 | final SomeArgs args = (SomeArgs) message.obj; |
| 930 | final Region magnifiedBounds = (Region) args.arg1; |
Phil Weaver | 7043924 | 2016-03-10 15:15:49 -0800 | [diff] [blame] | 931 | mCallbacks.onMagnificationRegionChanged(magnifiedBounds); |
Alan Viverette | 214fb68 | 2015-11-17 09:47:11 -0500 | [diff] [blame] | 932 | magnifiedBounds.recycle(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 933 | } break; |
| 934 | |
| 935 | case MESSAGE_NOTIFY_RECTANGLE_ON_SCREEN_REQUESTED: { |
| 936 | SomeArgs args = (SomeArgs) message.obj; |
| 937 | final int left = args.argi1; |
| 938 | final int top = args.argi2; |
| 939 | final int right = args.argi3; |
| 940 | final int bottom = args.argi4; |
| 941 | mCallbacks.onRectangleOnScreenRequested(left, top, right, bottom); |
| 942 | args.recycle(); |
| 943 | } break; |
| 944 | |
| 945 | case MESSAGE_NOTIFY_USER_CONTEXT_CHANGED: { |
| 946 | mCallbacks.onUserContextChanged(); |
| 947 | } break; |
| 948 | |
| 949 | case MESSAGE_NOTIFY_ROTATION_CHANGED: { |
| 950 | final int rotation = message.arg1; |
| 951 | mCallbacks.onRotationChanged(rotation); |
| 952 | } break; |
| 953 | |
| 954 | case MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED : { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 955 | synchronized (mService.mWindowMap) { |
Casey Burkhardt | 74922c6 | 2017-02-13 12:43:16 -0800 | [diff] [blame] | 956 | if (mMagnifedViewport.isMagnifyingLocked() |
| 957 | || isForceShowingMagnifiableBoundsLocked()) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 958 | mMagnifedViewport.setMagnifiedRegionBorderShownLocked(true, true); |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 959 | mService.scheduleAnimationLocked(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 960 | } |
| 961 | } |
| 962 | } break; |
| 963 | } |
| 964 | } |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | /** |
| 969 | * This class encapsulates the functionality related to computing the windows |
| 970 | * reported for accessibility purposes. These windows are all windows a sighted |
| 971 | * user can see on the screen. |
| 972 | */ |
| 973 | private static final class WindowsForAccessibilityObserver { |
Filip Gruszczynski | 0bd180d | 2015-12-07 15:43:52 -0800 | [diff] [blame] | 974 | private static final String LOG_TAG = TAG_WITH_CLASS_NAME ? |
| 975 | "WindowsForAccessibilityObserver" : TAG_WM; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 976 | |
| 977 | private static final boolean DEBUG = false; |
| 978 | |
| 979 | private final SparseArray<WindowState> mTempWindowStates = |
| 980 | new SparseArray<WindowState>(); |
| 981 | |
| 982 | private final List<WindowInfo> mOldWindows = new ArrayList<WindowInfo>(); |
| 983 | |
| 984 | private final Set<IBinder> mTempBinderSet = new ArraySet<IBinder>(); |
| 985 | |
| 986 | private final RectF mTempRectF = new RectF(); |
| 987 | |
| 988 | private final Matrix mTempMatrix = new Matrix(); |
| 989 | |
| 990 | private final Point mTempPoint = new Point(); |
| 991 | |
| 992 | private final Rect mTempRect = new Rect(); |
| 993 | |
| 994 | private final Region mTempRegion = new Region(); |
| 995 | |
| 996 | private final Region mTempRegion1 = new Region(); |
| 997 | |
| 998 | private final Context mContext; |
| 999 | |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1000 | private final WindowManagerService mService; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1001 | |
| 1002 | private final Handler mHandler; |
| 1003 | |
| 1004 | private final WindowsForAccessibilityCallback mCallback; |
| 1005 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1006 | private final long mRecurringAccessibilityEventsIntervalMillis; |
| 1007 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1008 | public WindowsForAccessibilityObserver(WindowManagerService windowManagerService, |
| 1009 | WindowsForAccessibilityCallback callback) { |
| 1010 | mContext = windowManagerService.mContext; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1011 | mService = windowManagerService; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1012 | mCallback = callback; |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1013 | mHandler = new MyHandler(mService.mH.getLooper()); |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1014 | mRecurringAccessibilityEventsIntervalMillis = ViewConfiguration |
| 1015 | .getSendRecurringAccessibilityEventsInterval(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1016 | computeChangedWindows(); |
| 1017 | } |
| 1018 | |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 1019 | public void performComputeChangedWindowsNotLocked() { |
| 1020 | mHandler.removeMessages(MyHandler.MESSAGE_COMPUTE_CHANGED_WINDOWS); |
| 1021 | computeChangedWindows(); |
| 1022 | } |
| 1023 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1024 | public void scheduleComputeChangedWindowsLocked() { |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 1025 | if (!mHandler.hasMessages(MyHandler.MESSAGE_COMPUTE_CHANGED_WINDOWS)) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1026 | mHandler.sendEmptyMessageDelayed(MyHandler.MESSAGE_COMPUTE_CHANGED_WINDOWS, |
| 1027 | mRecurringAccessibilityEventsIntervalMillis); |
| 1028 | } |
| 1029 | } |
| 1030 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1031 | public void computeChangedWindows() { |
| 1032 | if (DEBUG) { |
| 1033 | Slog.i(LOG_TAG, "computeChangedWindows()"); |
| 1034 | } |
| 1035 | |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 1036 | boolean windowsChanged = false; |
| 1037 | List<WindowInfo> windows = new ArrayList<WindowInfo>(); |
| 1038 | |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1039 | synchronized (mService.mWindowMap) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1040 | // Do not send the windows if there is no current focus as |
| 1041 | // the window manager is still looking for where to put it. |
| 1042 | // We will do the work when we get a focus change callback. |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1043 | if (mService.mCurrentFocus == null) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1044 | return; |
| 1045 | } |
| 1046 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1047 | WindowManager windowManager = (WindowManager) |
| 1048 | mContext.getSystemService(Context.WINDOW_SERVICE); |
| 1049 | windowManager.getDefaultDisplay().getRealSize(mTempPoint); |
| 1050 | final int screenWidth = mTempPoint.x; |
| 1051 | final int screenHeight = mTempPoint.y; |
| 1052 | |
| 1053 | Region unaccountedSpace = mTempRegion; |
| 1054 | unaccountedSpace.set(0, 0, screenWidth, screenHeight); |
| 1055 | |
Wale Ogunwale | f7cab10 | 2016-10-25 15:25:14 -0700 | [diff] [blame] | 1056 | final SparseArray<WindowState> visibleWindows = mTempWindowStates; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1057 | populateVisibleWindowsOnScreenLocked(visibleWindows); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1058 | Set<IBinder> addedWindows = mTempBinderSet; |
| 1059 | addedWindows.clear(); |
| 1060 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1061 | boolean focusedWindowAdded = false; |
| 1062 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1063 | final int visibleWindowCount = visibleWindows.size(); |
Allen Hair | f20ac2c | 2016-02-11 17:42:59 -0800 | [diff] [blame] | 1064 | HashSet<Integer> skipRemainingWindowsForTasks = new HashSet<>(); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1065 | for (int i = visibleWindowCount - 1; i >= 0; i--) { |
Alan Viverette | 9538eea | 2014-11-13 14:49:20 -0800 | [diff] [blame] | 1066 | final WindowState windowState = visibleWindows.valueAt(i); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1067 | final int flags = windowState.mAttrs.flags; |
Allen Hair | f20ac2c | 2016-02-11 17:42:59 -0800 | [diff] [blame] | 1068 | final Task task = windowState.getTask(); |
| 1069 | |
| 1070 | // If the window is part of a task that we're finished with - ignore. |
| 1071 | if (task != null && skipRemainingWindowsForTasks.contains(task.mTaskId)) { |
| 1072 | continue; |
| 1073 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1074 | |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 1075 | // If the window is not touchable - ignore. |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1076 | if ((flags & WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE) != 0) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1077 | continue; |
| 1078 | } |
| 1079 | |
Alan Viverette | 9538eea | 2014-11-13 14:49:20 -0800 | [diff] [blame] | 1080 | // Compute the bounds in the screen. |
| 1081 | final Rect boundsInScreen = mTempRect; |
| 1082 | computeWindowBoundsInScreen(windowState, boundsInScreen); |
| 1083 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1084 | // If the window is completely covered by other windows - ignore. |
| 1085 | if (unaccountedSpace.quickReject(boundsInScreen)) { |
| 1086 | continue; |
| 1087 | } |
| 1088 | |
| 1089 | // Add windows of certain types not covered by modal windows. |
| 1090 | if (isReportedWindowType(windowState.mAttrs.type)) { |
| 1091 | // Add the window to the ones to be reported. |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1092 | WindowInfo window = obtainPopulatedWindowInfo(windowState, boundsInScreen); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1093 | addedWindows.add(window.token); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1094 | windows.add(window); |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1095 | if (windowState.isFocused()) { |
| 1096 | focusedWindowAdded = true; |
| 1097 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1098 | } |
| 1099 | |
Alan Viverette | d0c73f4 | 2014-11-18 10:25:04 -0800 | [diff] [blame] | 1100 | // Account for the space this window takes if the window |
| 1101 | // is not an accessibility overlay which does not change |
| 1102 | // the reported windows. |
| 1103 | if (windowState.mAttrs.type != |
| 1104 | WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY) { |
| 1105 | unaccountedSpace.op(boundsInScreen, unaccountedSpace, |
| 1106 | Region.Op.REVERSE_DIFFERENCE); |
| 1107 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1108 | |
Allen Hair | f20ac2c | 2016-02-11 17:42:59 -0800 | [diff] [blame] | 1109 | // If a window is modal it prevents other windows from being touched |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1110 | if ((flags & (WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| 1111 | | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL)) == 0) { |
Phil Weaver | ac9ad70 | 2016-07-27 18:03:10 -0700 | [diff] [blame] | 1112 | // Account for all space in the task, whether the windows in it are |
| 1113 | // touchable or not. The modal window blocks all touches from the task's |
| 1114 | // area. |
| 1115 | unaccountedSpace.op(windowState.getDisplayFrameLw(), unaccountedSpace, |
| 1116 | Region.Op.REVERSE_DIFFERENCE); |
| 1117 | |
Allen Hair | f20ac2c | 2016-02-11 17:42:59 -0800 | [diff] [blame] | 1118 | if (task != null) { |
| 1119 | // If the window is associated with a particular task, we can skip the |
| 1120 | // rest of the windows for that task. |
| 1121 | skipRemainingWindowsForTasks.add(task.mTaskId); |
| 1122 | continue; |
| 1123 | } else { |
| 1124 | // If the window is not associated with a particular task, then it is |
| 1125 | // globally modal. In this case we can skip all remaining windows. |
| 1126 | break; |
| 1127 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1128 | } |
Phil Weaver | ac9ad70 | 2016-07-27 18:03:10 -0700 | [diff] [blame] | 1129 | // We figured out what is touchable for the entire screen - done. |
| 1130 | if (unaccountedSpace.isEmpty()) { |
| 1131 | break; |
| 1132 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1133 | } |
| 1134 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1135 | // Always report the focused window. |
| 1136 | if (!focusedWindowAdded) { |
| 1137 | for (int i = visibleWindowCount - 1; i >= 0; i--) { |
| 1138 | WindowState windowState = visibleWindows.valueAt(i); |
| 1139 | if (windowState.isFocused()) { |
| 1140 | // Compute the bounds in the screen. |
| 1141 | Rect boundsInScreen = mTempRect; |
| 1142 | computeWindowBoundsInScreen(windowState, boundsInScreen); |
| 1143 | |
| 1144 | // Add the window to the ones to be reported. |
| 1145 | WindowInfo window = obtainPopulatedWindowInfo(windowState, |
| 1146 | boundsInScreen); |
| 1147 | addedWindows.add(window.token); |
| 1148 | windows.add(window); |
| 1149 | break; |
| 1150 | } |
| 1151 | } |
| 1152 | } |
| 1153 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1154 | // Remove child/parent references to windows that were not added. |
| 1155 | final int windowCount = windows.size(); |
| 1156 | for (int i = 0; i < windowCount; i++) { |
| 1157 | WindowInfo window = windows.get(i); |
| 1158 | if (!addedWindows.contains(window.parentToken)) { |
| 1159 | window.parentToken = null; |
| 1160 | } |
| 1161 | if (window.childTokens != null) { |
| 1162 | final int childTokenCount = window.childTokens.size(); |
| 1163 | for (int j = childTokenCount - 1; j >= 0; j--) { |
| 1164 | if (!addedWindows.contains(window.childTokens.get(j))) { |
| 1165 | window.childTokens.remove(j); |
| 1166 | } |
| 1167 | } |
| 1168 | // Leave the child token list if empty. |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | visibleWindows.clear(); |
| 1173 | addedWindows.clear(); |
| 1174 | |
| 1175 | // We computed the windows and if they changed notify the client. |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1176 | if (mOldWindows.size() != windows.size()) { |
| 1177 | // Different size means something changed. |
| 1178 | windowsChanged = true; |
| 1179 | } else if (!mOldWindows.isEmpty() || !windows.isEmpty()) { |
| 1180 | // Since we always traverse windows from high to low layer |
| 1181 | // the old and new windows at the same index should be the |
| 1182 | // same, otherwise something changed. |
| 1183 | for (int i = 0; i < windowCount; i++) { |
| 1184 | WindowInfo oldWindow = mOldWindows.get(i); |
| 1185 | WindowInfo newWindow = windows.get(i); |
| 1186 | // We do not care for layer changes given the window |
| 1187 | // order does not change. This brings no new information |
| 1188 | // to the clients. |
| 1189 | if (windowChangedNoLayer(oldWindow, newWindow)) { |
| 1190 | windowsChanged = true; |
| 1191 | break; |
| 1192 | } |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | if (windowsChanged) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1197 | cacheWindows(windows); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1198 | } |
| 1199 | } |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 1200 | |
| 1201 | // Now we do not hold the lock, so send the windows over. |
| 1202 | if (windowsChanged) { |
| 1203 | if (DEBUG) { |
| 1204 | Log.i(LOG_TAG, "Windows changed:" + windows); |
| 1205 | } |
| 1206 | mCallback.onWindowsForAccessibilityChanged(windows); |
| 1207 | } else { |
| 1208 | if (DEBUG) { |
| 1209 | Log.i(LOG_TAG, "No windows changed."); |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | // Recycle the windows as we do not need them. |
| 1214 | clearAndRecycleWindows(windows); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1215 | } |
| 1216 | |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1217 | private void computeWindowBoundsInScreen(WindowState windowState, Rect outBounds) { |
| 1218 | // Get the touchable frame. |
| 1219 | Region touchableRegion = mTempRegion1; |
| 1220 | windowState.getTouchableRegion(touchableRegion); |
| 1221 | Rect touchableFrame = mTempRect; |
| 1222 | touchableRegion.getBounds(touchableFrame); |
| 1223 | |
| 1224 | // Move to origin as all transforms are captured by the matrix. |
| 1225 | RectF windowFrame = mTempRectF; |
| 1226 | windowFrame.set(touchableFrame); |
| 1227 | windowFrame.offset(-windowState.mFrame.left, -windowState.mFrame.top); |
| 1228 | |
| 1229 | // Map the frame to get what appears on the screen. |
| 1230 | Matrix matrix = mTempMatrix; |
| 1231 | populateTransformationMatrixLocked(windowState, matrix); |
| 1232 | matrix.mapRect(windowFrame); |
| 1233 | |
| 1234 | // Got the bounds. |
| 1235 | outBounds.set((int) windowFrame.left, (int) windowFrame.top, |
| 1236 | (int) windowFrame.right, (int) windowFrame.bottom); |
| 1237 | } |
| 1238 | |
Wale Ogunwale | adde52e | 2016-07-16 13:11:55 -0700 | [diff] [blame] | 1239 | private static WindowInfo obtainPopulatedWindowInfo( |
| 1240 | WindowState windowState, Rect boundsInScreen) { |
| 1241 | final WindowInfo window = windowState.getWindowInfo(); |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1242 | window.boundsInScreen.set(boundsInScreen); |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1243 | return window; |
| 1244 | } |
| 1245 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1246 | private void cacheWindows(List<WindowInfo> windows) { |
| 1247 | final int oldWindowCount = mOldWindows.size(); |
| 1248 | for (int i = oldWindowCount - 1; i >= 0; i--) { |
| 1249 | mOldWindows.remove(i).recycle(); |
| 1250 | } |
| 1251 | final int newWindowCount = windows.size(); |
| 1252 | for (int i = 0; i < newWindowCount; i++) { |
| 1253 | WindowInfo newWindow = windows.get(i); |
| 1254 | mOldWindows.add(WindowInfo.obtain(newWindow)); |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | private boolean windowChangedNoLayer(WindowInfo oldWindow, WindowInfo newWindow) { |
| 1259 | if (oldWindow == newWindow) { |
| 1260 | return false; |
| 1261 | } |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1262 | if (oldWindow == null) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1263 | return true; |
| 1264 | } |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1265 | if (newWindow == null) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1266 | return true; |
| 1267 | } |
| 1268 | if (oldWindow.type != newWindow.type) { |
| 1269 | return true; |
| 1270 | } |
| 1271 | if (oldWindow.focused != newWindow.focused) { |
| 1272 | return true; |
| 1273 | } |
| 1274 | if (oldWindow.token == null) { |
| 1275 | if (newWindow.token != null) { |
| 1276 | return true; |
| 1277 | } |
| 1278 | } else if (!oldWindow.token.equals(newWindow.token)) { |
| 1279 | return true; |
| 1280 | } |
| 1281 | if (oldWindow.parentToken == null) { |
| 1282 | if (newWindow.parentToken != null) { |
| 1283 | return true; |
| 1284 | } |
| 1285 | } else if (!oldWindow.parentToken.equals(newWindow.parentToken)) { |
| 1286 | return true; |
| 1287 | } |
| 1288 | if (!oldWindow.boundsInScreen.equals(newWindow.boundsInScreen)) { |
| 1289 | return true; |
| 1290 | } |
| 1291 | if (oldWindow.childTokens != null && newWindow.childTokens != null |
| 1292 | && !oldWindow.childTokens.equals(newWindow.childTokens)) { |
| 1293 | return true; |
| 1294 | } |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 1295 | if (!TextUtils.equals(oldWindow.title, newWindow.title)) { |
| 1296 | return true; |
| 1297 | } |
| 1298 | if (oldWindow.accessibilityIdOfAnchor != newWindow.accessibilityIdOfAnchor) { |
| 1299 | return true; |
| 1300 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1301 | return false; |
| 1302 | } |
| 1303 | |
Svetoslav | 3a0d878 | 2014-12-04 12:50:11 -0800 | [diff] [blame] | 1304 | private static void clearAndRecycleWindows(List<WindowInfo> windows) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1305 | final int windowCount = windows.size(); |
| 1306 | for (int i = windowCount - 1; i >= 0; i--) { |
| 1307 | windows.remove(i).recycle(); |
| 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | private static boolean isReportedWindowType(int windowType) { |
Jorim Jaggi | 73294b6 | 2016-10-26 18:02:36 -0700 | [diff] [blame] | 1312 | return (windowType != WindowManager.LayoutParams.TYPE_WALLPAPER |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1313 | && windowType != WindowManager.LayoutParams.TYPE_BOOT_PROGRESS |
| 1314 | && windowType != WindowManager.LayoutParams.TYPE_DISPLAY_OVERLAY |
| 1315 | && windowType != WindowManager.LayoutParams.TYPE_DRAG |
Selim Cinek | f83e824 | 2015-05-19 18:08:14 -0700 | [diff] [blame] | 1316 | && windowType != WindowManager.LayoutParams.TYPE_INPUT_CONSUMER |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1317 | && windowType != WindowManager.LayoutParams.TYPE_POINTER |
Phil Weaver | d321075e | 2017-06-13 09:13:35 -0700 | [diff] [blame] | 1318 | && windowType != TYPE_MAGNIFICATION_OVERLAY |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1319 | && windowType != WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY |
| 1320 | && windowType != WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY |
| 1321 | && windowType != WindowManager.LayoutParams.TYPE_PRIVATE_PRESENTATION); |
| 1322 | } |
| 1323 | |
| 1324 | private void populateVisibleWindowsOnScreenLocked(SparseArray<WindowState> outWindows) { |
Robert Carr | e625fcf | 2017-09-01 12:36:28 -0700 | [diff] [blame^] | 1325 | final DisplayContent dc = mService.getDefaultDisplayContentLocked(); |
Wale Ogunwale | d188096 | 2016-11-08 10:31:59 -0800 | [diff] [blame] | 1326 | dc.forAllWindows((w) -> { |
| 1327 | if (w.isVisibleLw()) { |
| 1328 | outWindows.put(w.mLayer, w); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1329 | } |
Wale Ogunwale | d188096 | 2016-11-08 10:31:59 -0800 | [diff] [blame] | 1330 | }, false /* traverseTopToBottom */ ); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1331 | } |
| 1332 | |
| 1333 | private class MyHandler extends Handler { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1334 | public static final int MESSAGE_COMPUTE_CHANGED_WINDOWS = 1; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1335 | |
| 1336 | public MyHandler(Looper looper) { |
| 1337 | super(looper, null, false); |
| 1338 | } |
| 1339 | |
| 1340 | @Override |
| 1341 | @SuppressWarnings("unchecked") |
| 1342 | public void handleMessage(Message message) { |
| 1343 | switch (message.what) { |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 1344 | case MESSAGE_COMPUTE_CHANGED_WINDOWS: { |
| 1345 | computeChangedWindows(); |
| 1346 | } break; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1347 | } |
| 1348 | } |
| 1349 | } |
| 1350 | } |
| 1351 | } |