WindowState.java revision eb1d322d1cfc8c7547967bc7e20b1fe3499ec90d
1/* 2 * Copyright (C) 2011 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 17package com.android.server.wm; 18 19import android.app.ActivityManager; 20import android.app.AppOpsManager; 21import android.content.Context; 22import android.content.res.Configuration; 23import android.graphics.Matrix; 24import android.graphics.PixelFormat; 25import android.graphics.Point; 26import android.graphics.Rect; 27import android.graphics.Region; 28import android.os.IBinder; 29import android.os.PowerManager; 30import android.os.RemoteCallbackList; 31import android.os.RemoteException; 32import android.os.SystemClock; 33import android.os.Trace; 34import android.os.UserHandle; 35import android.os.WorkSource; 36import android.util.DisplayMetrics; 37import android.util.Slog; 38import android.util.TimeUtils; 39import android.view.Display; 40import android.view.DisplayInfo; 41import android.view.Gravity; 42import android.view.IApplicationToken; 43import android.view.IWindow; 44import android.view.IWindowFocusObserver; 45import android.view.IWindowId; 46import android.view.InputChannel; 47import android.view.InputEvent; 48import android.view.InputEventReceiver; 49import android.view.View; 50import android.view.ViewTreeObserver; 51import android.view.WindowManager; 52import android.view.WindowManagerPolicy; 53 54import com.android.server.input.InputWindowHandle; 55 56import java.io.PrintWriter; 57import java.util.ArrayList; 58 59import static android.app.ActivityManager.StackId; 60import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; 61import static android.app.ActivityManager.StackId.INVALID_STACK_ID; 62import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER; 63import static android.view.ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT; 64import static android.view.ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME; 65import static android.view.ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION; 66import static android.view.ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_VISIBLE; 67import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW; 68import static android.view.WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON; 69import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND; 70import static android.view.WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD; 71import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS; 72import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 73import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 74import static android.view.WindowManager.LayoutParams.FLAG_SCALED; 75import static android.view.WindowManager.LayoutParams.FLAG_SECURE; 76import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 77import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; 78import static android.view.WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON; 79import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW; 80import static android.view.WindowManager.LayoutParams.MATCH_PARENT; 81import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW; 82import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; 83import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_LAYOUT_CHILD_WINDOW_IN_PARENT_FRAME; 84import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_WILL_NOT_REPLACE_ON_RELAUNCH; 85import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE; 86import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST; 87import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION; 88import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 89import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; 90import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER; 91import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; 92import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; 93import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; 94import static android.view.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; 95import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_DOCKED_DIVIDER; 96import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM; 97import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; 98import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM; 99import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS; 100import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_CONFIGURATION; 101import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT; 102import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT; 103import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; 104import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_POWER; 105import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_RESIZE; 106import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 107import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; 108import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 109 110class WindowList extends ArrayList<WindowState> { 111 WindowList() {} 112 WindowList(WindowList windowList) { 113 super(windowList); 114 } 115} 116 117/** 118 * A window in the window manager. 119 */ 120final class WindowState implements WindowManagerPolicy.WindowState { 121 static final String TAG = TAG_WITH_CLASS_NAME ? "WindowState" : TAG_WM; 122 123 // The minimal size of a window within the usable area of the freeform stack. 124 // TODO(multi-window): fix the min sizes when we have mininum width/height support, 125 // use hard-coded min sizes for now. 126 static final int MINIMUM_VISIBLE_WIDTH_IN_DP = 48; 127 static final int MINIMUM_VISIBLE_HEIGHT_IN_DP = 32; 128 129 // The thickness of a window resize handle outside the window bounds on the free form workspace 130 // to capture touch events in that area. 131 static final int RESIZE_HANDLE_WIDTH_IN_DP = 30; 132 133 static final boolean DEBUG_DISABLE_SAVING_SURFACES = false; 134 135 final WindowManagerService mService; 136 final WindowManagerPolicy mPolicy; 137 final Context mContext; 138 final Session mSession; 139 final IWindow mClient; 140 final int mAppOp; 141 // UserId and appId of the owner. Don't display windows of non-current user. 142 final int mOwnerUid; 143 final IWindowId mWindowId; 144 WindowToken mToken; 145 WindowToken mRootToken; 146 AppWindowToken mAppToken; 147 AppWindowToken mTargetAppToken; 148 149 // mAttrs.flags is tested in animation without being locked. If the bits tested are ever 150 // modified they will need to be locked. 151 final WindowManager.LayoutParams mAttrs = new WindowManager.LayoutParams(); 152 final DeathRecipient mDeathRecipient; 153 final WindowState mAttachedWindow; 154 final WindowList mChildWindows = new WindowList(); 155 final int mBaseLayer; 156 final int mSubLayer; 157 final boolean mLayoutAttached; 158 final boolean mIsImWindow; 159 final boolean mIsWallpaper; 160 final boolean mIsFloatingLayer; 161 int mSeq; 162 boolean mEnforceSizeCompat; 163 int mViewVisibility; 164 int mSystemUiVisibility; 165 boolean mPolicyVisibility = true; 166 boolean mPolicyVisibilityAfterAnim = true; 167 boolean mAppOpVisibility = true; 168 boolean mAppFreezing; 169 boolean mAttachedHidden; // is our parent window hidden? 170 boolean mWallpaperVisible; // for wallpaper, what was last vis report? 171 boolean mDragResizing; 172 boolean mDragResizingChangeReported; 173 int mResizeMode; 174 175 RemoteCallbackList<IWindowFocusObserver> mFocusCallbacks; 176 177 /** 178 * The window size that was requested by the application. These are in 179 * the application's coordinate space (without compatibility scale applied). 180 */ 181 int mRequestedWidth; 182 int mRequestedHeight; 183 int mLastRequestedWidth; 184 int mLastRequestedHeight; 185 186 int mLayer; 187 boolean mHaveFrame; 188 boolean mObscured; 189 boolean mTurnOnScreen; 190 191 int mLayoutSeq = -1; 192 193 private final Configuration mTmpConfig = new Configuration(); 194 // Represents the changes from our override configuration applied 195 // to the global configuration. This is the only form of configuration 196 // which is suitable for delivery to the client. 197 private Configuration mMergedConfiguration = new Configuration(); 198 // Sticky answer to isConfigChanged(), remains true until new Configuration is assigned. 199 // Used only on {@link #TYPE_KEYGUARD}. 200 private boolean mConfigHasChanged; 201 202 /** 203 * Actual position of the surface shown on-screen (may be modified by animation). These are 204 * in the screen's coordinate space (WITH the compatibility scale applied). 205 */ 206 final Point mShownPosition = new Point(); 207 208 /** 209 * Insets that determine the actually visible area. These are in the application's 210 * coordinate space (without compatibility scale applied). 211 */ 212 final Rect mVisibleInsets = new Rect(); 213 final Rect mLastVisibleInsets = new Rect(); 214 boolean mVisibleInsetsChanged; 215 216 /** 217 * Insets that are covered by system windows (such as the status bar) and 218 * transient docking windows (such as the IME). These are in the application's 219 * coordinate space (without compatibility scale applied). 220 */ 221 final Rect mContentInsets = new Rect(); 222 final Rect mLastContentInsets = new Rect(); 223 boolean mContentInsetsChanged; 224 225 /** 226 * Insets that determine the area covered by the display overscan region. These are in the 227 * application's coordinate space (without compatibility scale applied). 228 */ 229 final Rect mOverscanInsets = new Rect(); 230 final Rect mLastOverscanInsets = new Rect(); 231 boolean mOverscanInsetsChanged; 232 233 /** 234 * Insets that determine the area covered by the stable system windows. These are in the 235 * application's coordinate space (without compatibility scale applied). 236 */ 237 final Rect mStableInsets = new Rect(); 238 final Rect mLastStableInsets = new Rect(); 239 boolean mStableInsetsChanged; 240 241 /** 242 * Outsets determine the area outside of the surface where we want to pretend that it's possible 243 * to draw anyway. 244 */ 245 final Rect mOutsets = new Rect(); 246 final Rect mLastOutsets = new Rect(); 247 boolean mOutsetsChanged = false; 248 249 /** 250 * Set to true if we are waiting for this window to receive its 251 * given internal insets before laying out other windows based on it. 252 */ 253 boolean mGivenInsetsPending; 254 255 /** 256 * These are the content insets that were given during layout for 257 * this window, to be applied to windows behind it. 258 */ 259 final Rect mGivenContentInsets = new Rect(); 260 261 /** 262 * These are the visible insets that were given during layout for 263 * this window, to be applied to windows behind it. 264 */ 265 final Rect mGivenVisibleInsets = new Rect(); 266 267 /** 268 * This is the given touchable area relative to the window frame, or null if none. 269 */ 270 final Region mGivenTouchableRegion = new Region(); 271 272 /** 273 * Flag indicating whether the touchable region should be adjusted by 274 * the visible insets; if false the area outside the visible insets is 275 * NOT touchable, so we must use those to adjust the frame during hit 276 * tests. 277 */ 278 int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME; 279 280 // Current transformation being applied. 281 float mGlobalScale=1; 282 float mInvGlobalScale=1; 283 float mHScale=1, mVScale=1; 284 float mLastHScale=1, mLastVScale=1; 285 final Matrix mTmpMatrix = new Matrix(); 286 287 // "Real" frame that the application sees, in display coordinate space. 288 final Rect mFrame = new Rect(); 289 final Rect mLastFrame = new Rect(); 290 // Frame that is scaled to the application's coordinate space when in 291 // screen size compatibility mode. 292 final Rect mCompatFrame = new Rect(); 293 294 final Rect mContainingFrame = new Rect(); 295 296 final Rect mParentFrame = new Rect(); 297 298 // The entire screen area of the {@link TaskStack} this window is in. Usually equal to the 299 // screen area of the device. 300 final Rect mDisplayFrame = new Rect(); 301 302 // The region of the display frame that the display type supports displaying content on. This 303 // is mostly a special case for TV where some displays don’t have the entire display usable. 304 // {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_OVERSCAN} flag can be used to allow 305 // window display contents to extend into the overscan region. 306 final Rect mOverscanFrame = new Rect(); 307 308 // The display frame minus the stable insets. This value is always constant regardless of if 309 // the status bar or navigation bar is visible. 310 final Rect mStableFrame = new Rect(); 311 312 // The area not occupied by the status and navigation bars. So, if both status and navigation 313 // bars are visible, the decor frame is equal to the stable frame. 314 final Rect mDecorFrame = new Rect(); 315 316 // Equal to the decor frame if the IME (e.g. keyboard) is not present. Equal to the decor frame 317 // minus the area occupied by the IME if the IME is present. 318 final Rect mContentFrame = new Rect(); 319 320 // Legacy stuff. Generally equal to the content frame expect when the IME for older apps 321 // displays hint text. 322 final Rect mVisibleFrame = new Rect(); 323 324 // Frame that includes dead area outside of the surface but where we want to pretend that it's 325 // possible to draw. 326 final Rect mOutsetFrame = new Rect(); 327 328 /** 329 * Usually empty. Set to the task's tempInsetFrame. See 330 *{@link android.app.IActivityManager#resizeDockedStack}. 331 */ 332 final Rect mInsetFrame = new Rect(); 333 334 private static final Rect sTmpRect = new Rect(); 335 336 boolean mContentChanged; 337 338 // If a window showing a wallpaper: the requested offset for the 339 // wallpaper; if a wallpaper window: the currently applied offset. 340 float mWallpaperX = -1; 341 float mWallpaperY = -1; 342 343 // If a window showing a wallpaper: what fraction of the offset 344 // range corresponds to a full virtual screen. 345 float mWallpaperXStep = -1; 346 float mWallpaperYStep = -1; 347 348 // If a window showing a wallpaper: a raw pixel offset to forcibly apply 349 // to its window; if a wallpaper window: not used. 350 int mWallpaperDisplayOffsetX = Integer.MIN_VALUE; 351 int mWallpaperDisplayOffsetY = Integer.MIN_VALUE; 352 353 // Wallpaper windows: pixels offset based on above variables. 354 int mXOffset; 355 int mYOffset; 356 357 /** 358 * This is set after IWindowSession.relayout() has been called at 359 * least once for the window. It allows us to detect the situation 360 * where we don't yet have a surface, but should have one soon, so 361 * we can give the window focus before waiting for the relayout. 362 */ 363 boolean mRelayoutCalled; 364 365 /** 366 * If the application has called relayout() with changes that can 367 * impact its window's size, we need to perform a layout pass on it 368 * even if it is not currently visible for layout. This is set 369 * when in that case until the layout is done. 370 */ 371 boolean mLayoutNeeded; 372 373 /** Currently running an exit animation? */ 374 boolean mAnimatingExit; 375 376 /** Currently on the mDestroySurface list? */ 377 boolean mDestroying; 378 379 /** Completely remove from window manager after exit animation? */ 380 boolean mRemoveOnExit; 381 382 /** 383 * Whether the app died while it was visible, if true we might need 384 * to continue to show it until it's restarted. 385 */ 386 boolean mAppDied; 387 388 /** 389 * Set when the orientation is changing and this window has not yet 390 * been updated for the new orientation. 391 */ 392 boolean mOrientationChanging; 393 394 /** 395 * How long we last kept the screen frozen. 396 */ 397 int mLastFreezeDuration; 398 399 /** Is this window now (or just being) removed? */ 400 boolean mRemoved; 401 402 /** 403 * It is save to remove the window and destroy the surface because the client requested removal 404 * or some other higher level component said so (e.g. activity manager). 405 * TODO: We should either have different booleans for the removal reason or use a bit-field. 406 */ 407 boolean mWindowRemovalAllowed; 408 409 /** 410 * Temp for keeping track of windows that have been removed when 411 * rebuilding window list. 412 */ 413 boolean mRebuilding; 414 415 // Input channel and input window handle used by the input dispatcher. 416 final InputWindowHandle mInputWindowHandle; 417 InputChannel mInputChannel; 418 InputChannel mClientChannel; 419 420 // Used to improve performance of toString() 421 String mStringNameCache; 422 CharSequence mLastTitle; 423 boolean mWasExiting; 424 425 final WindowStateAnimator mWinAnimator; 426 427 boolean mHasSurface = false; 428 429 boolean mNotOnAppsDisplay = false; 430 DisplayContent mDisplayContent; 431 432 /** When true this window can be displayed on screens owther than mOwnerUid's */ 433 private boolean mShowToOwnerOnly; 434 435 // Whether the window has a saved surface from last pause, which can be 436 // used to start an entering animation earlier. 437 private boolean mSurfaceSaved = false; 438 439 // Whether we're performing an entering animation with a saved surface. This flag is 440 // true during the time we're showing a window with a previously saved surface. It's 441 // cleared when surface is destroyed, saved, or re-drawn by the app. 442 private boolean mAnimatingWithSavedSurface; 443 444 // Whether the window was visible when we set the app to invisible last time. WM uses 445 // this as a hint to restore the surface (if available) for early animation next time 446 // the app is brought visible. 447 boolean mWasVisibleBeforeClientHidden; 448 449 // This window will be replaced due to relaunch. This allows window manager 450 // to differentiate between simple removal of a window and replacement. In the latter case it 451 // will preserve the old window until the new one is drawn. 452 boolean mWillReplaceWindow = false; 453 // If true, the replaced window was already requested to be removed. 454 boolean mReplacingRemoveRequested = false; 455 // Whether the replacement of the window should trigger app transition animation. 456 boolean mAnimateReplacingWindow = false; 457 // If not null, the window that will be used to replace the old one. This is being set when 458 // the window is added and unset when this window reports its first draw. 459 WindowState mReplacingWindow = null; 460 // For the new window in the replacement transition, if we have 461 // requested to replace without animation, then we should 462 // make sure we also don't apply an enter animation for 463 // the new window. 464 boolean mSkipEnterAnimationForSeamlessReplacement = false; 465 // Whether this window is being moved via the resize API 466 boolean mMovedByResize; 467 468 /** 469 * Wake lock for drawing. 470 * Even though it's slightly more expensive to do so, we will use a separate wake lock 471 * for each app that is requesting to draw while dozing so that we can accurately track 472 * who is preventing the system from suspending. 473 * This lock is only acquired on first use. 474 */ 475 PowerManager.WakeLock mDrawLock; 476 477 final private Rect mTmpRect = new Rect(); 478 479 /** 480 * See {@link #notifyMovedInStack}. 481 */ 482 private boolean mJustMovedInStack; 483 484 /** 485 * Whether the window was resized by us while it was gone for layout. 486 */ 487 boolean mResizedWhileGone = false; 488 489 /** @see #isResizedWhileNotDragResizing(). */ 490 private boolean mResizedWhileNotDragResizing; 491 492 /** @see #isResizedWhileNotDragResizingReported(). */ 493 private boolean mResizedWhileNotDragResizingReported; 494 495 WindowState(WindowManagerService service, Session s, IWindow c, WindowToken token, 496 WindowState attachedWindow, int appOp, int seq, WindowManager.LayoutParams a, 497 int viewVisibility, final DisplayContent displayContent) { 498 mService = service; 499 mSession = s; 500 mClient = c; 501 mAppOp = appOp; 502 mToken = token; 503 mOwnerUid = s.mUid; 504 mWindowId = new IWindowId.Stub() { 505 @Override 506 public void registerFocusObserver(IWindowFocusObserver observer) { 507 WindowState.this.registerFocusObserver(observer); 508 } 509 @Override 510 public void unregisterFocusObserver(IWindowFocusObserver observer) { 511 WindowState.this.unregisterFocusObserver(observer); 512 } 513 @Override 514 public boolean isFocused() { 515 return WindowState.this.isFocused(); 516 } 517 }; 518 mAttrs.copyFrom(a); 519 mViewVisibility = viewVisibility; 520 mDisplayContent = displayContent; 521 mPolicy = mService.mPolicy; 522 mContext = mService.mContext; 523 DeathRecipient deathRecipient = new DeathRecipient(); 524 mSeq = seq; 525 mEnforceSizeCompat = (mAttrs.privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0; 526 if (WindowManagerService.localLOGV) Slog.v( 527 TAG, "Window " + this + " client=" + c.asBinder() 528 + " token=" + token + " (" + mAttrs.token + ")" + " params=" + a); 529 try { 530 c.asBinder().linkToDeath(deathRecipient, 0); 531 } catch (RemoteException e) { 532 mDeathRecipient = null; 533 mAttachedWindow = null; 534 mLayoutAttached = false; 535 mIsImWindow = false; 536 mIsWallpaper = false; 537 mIsFloatingLayer = false; 538 mBaseLayer = 0; 539 mSubLayer = 0; 540 mInputWindowHandle = null; 541 mWinAnimator = null; 542 return; 543 } 544 mDeathRecipient = deathRecipient; 545 546 if ((mAttrs.type >= FIRST_SUB_WINDOW && 547 mAttrs.type <= LAST_SUB_WINDOW)) { 548 // The multiplier here is to reserve space for multiple 549 // windows in the same type layer. 550 mBaseLayer = mPolicy.windowTypeToLayerLw( 551 attachedWindow.mAttrs.type) * WindowManagerService.TYPE_LAYER_MULTIPLIER 552 + WindowManagerService.TYPE_LAYER_OFFSET; 553 mSubLayer = mPolicy.subWindowTypeToLayerLw(a.type); 554 mAttachedWindow = attachedWindow; 555 if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + this + " to " + mAttachedWindow); 556 557 final WindowList childWindows = mAttachedWindow.mChildWindows; 558 final int numChildWindows = childWindows.size(); 559 if (numChildWindows == 0) { 560 childWindows.add(this); 561 } else { 562 boolean added = false; 563 for (int i = 0; i < numChildWindows; i++) { 564 final int childSubLayer = childWindows.get(i).mSubLayer; 565 if (mSubLayer < childSubLayer 566 || (mSubLayer == childSubLayer && childSubLayer < 0)) { 567 // We insert the child window into the list ordered by the sub-layer. For 568 // same sub-layers, the negative one should go below others; the positive 569 // one should go above others. 570 childWindows.add(i, this); 571 added = true; 572 break; 573 } 574 } 575 if (!added) { 576 childWindows.add(this); 577 } 578 } 579 580 mLayoutAttached = mAttrs.type != 581 WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG; 582 mIsImWindow = attachedWindow.mAttrs.type == TYPE_INPUT_METHOD 583 || attachedWindow.mAttrs.type == TYPE_INPUT_METHOD_DIALOG; 584 mIsWallpaper = attachedWindow.mAttrs.type == TYPE_WALLPAPER; 585 mIsFloatingLayer = mIsImWindow || mIsWallpaper; 586 } else { 587 // The multiplier here is to reserve space for multiple 588 // windows in the same type layer. 589 mBaseLayer = mPolicy.windowTypeToLayerLw(a.type) 590 * WindowManagerService.TYPE_LAYER_MULTIPLIER 591 + WindowManagerService.TYPE_LAYER_OFFSET; 592 mSubLayer = 0; 593 mAttachedWindow = null; 594 mLayoutAttached = false; 595 mIsImWindow = mAttrs.type == TYPE_INPUT_METHOD 596 || mAttrs.type == TYPE_INPUT_METHOD_DIALOG; 597 mIsWallpaper = mAttrs.type == TYPE_WALLPAPER; 598 mIsFloatingLayer = mIsImWindow || mIsWallpaper; 599 } 600 601 WindowState appWin = this; 602 while (appWin.isChildWindow()) { 603 appWin = appWin.mAttachedWindow; 604 } 605 WindowToken appToken = appWin.mToken; 606 while (appToken.appWindowToken == null) { 607 WindowToken parent = mService.mTokenMap.get(appToken.token); 608 if (parent == null || appToken == parent) { 609 break; 610 } 611 appToken = parent; 612 } 613 mRootToken = appToken; 614 mAppToken = appToken.appWindowToken; 615 if (mAppToken != null) { 616 final DisplayContent appDisplay = getDisplayContent(); 617 mNotOnAppsDisplay = displayContent != appDisplay; 618 619 if (mAppToken.showForAllUsers) { 620 // Windows for apps that can show for all users should also show when the 621 // device is locked. 622 mAttrs.flags |= FLAG_SHOW_WHEN_LOCKED; 623 } 624 } 625 626 mWinAnimator = new WindowStateAnimator(this); 627 mWinAnimator.mAlpha = a.alpha; 628 629 mRequestedWidth = 0; 630 mRequestedHeight = 0; 631 mLastRequestedWidth = 0; 632 mLastRequestedHeight = 0; 633 mXOffset = 0; 634 mYOffset = 0; 635 mLayer = 0; 636 mInputWindowHandle = new InputWindowHandle( 637 mAppToken != null ? mAppToken.mInputApplicationHandle : null, this, 638 displayContent.getDisplayId()); 639 } 640 641 void attach() { 642 if (WindowManagerService.localLOGV) Slog.v( 643 TAG, "Attaching " + this + " token=" + mToken 644 + ", list=" + mToken.windows); 645 mSession.windowAddedLocked(); 646 } 647 648 @Override 649 public int getOwningUid() { 650 return mOwnerUid; 651 } 652 653 @Override 654 public String getOwningPackage() { 655 return mAttrs.packageName; 656 } 657 658 /** 659 * Subtracts the insets calculated by intersecting {@param layoutFrame} with {@param insetFrame} 660 * from {@param frame}. In other words, it applies the insets that would result if 661 * {@param frame} would be shifted to {@param layoutFrame} and then applying the insets from 662 * {@param insetFrame}. Also it respects {@param displayFrame} in case window has minimum 663 * width/height applied and insets should be overridden. 664 */ 665 private void subtractInsets(Rect frame, Rect layoutFrame, Rect insetFrame, Rect displayFrame) { 666 final int left = Math.max(0, insetFrame.left - Math.max(layoutFrame.left, displayFrame.left)); 667 final int top = Math.max(0, insetFrame.top - Math.max(layoutFrame.top, displayFrame.top)); 668 final int right = Math.max(0, Math.min(layoutFrame.right, displayFrame.right) - insetFrame.right); 669 final int bottom = Math.max(0, Math.min(layoutFrame.bottom, displayFrame.bottom) - insetFrame.bottom); 670 frame.inset(left, top, right, bottom); 671 } 672 673 @Override 674 public void computeFrameLw(Rect pf, Rect df, Rect of, Rect cf, Rect vf, Rect dcf, Rect sf, 675 Rect osf) { 676 if (mWillReplaceWindow && (mAnimatingExit || !mReplacingRemoveRequested)) { 677 // This window is being replaced and either already got information that it's being 678 // removed or we are still waiting for some information. Because of this we don't 679 // want to apply any more changes to it, so it remains in this state until new window 680 // appears. 681 return; 682 } 683 mHaveFrame = true; 684 685 final Task task = getTask(); 686 final boolean fullscreenTask = !isInMultiWindowMode(); 687 final boolean windowsAreFloating = task != null && task.isFloating(); 688 689 // If the task has temp inset bounds set, we have to make sure all its windows uses 690 // the temp inset frame. Otherwise different display frames get applied to the main 691 // window and the child window, making them misaligned. 692 if (fullscreenTask) { 693 mInsetFrame.setEmpty(); 694 } else { 695 task.getTempInsetBounds(mInsetFrame); 696 } 697 698 // Denotes the actual frame used to calculate the insets and to perform the layout. When 699 // resizing in docked mode, we'd like to freeze the layout, so we also need to freeze the 700 // insets temporarily. By the notion of a task having a different layout frame, we can 701 // achieve that while still moving the task around. 702 final Rect layoutContainingFrame; 703 final Rect layoutDisplayFrame; 704 705 // The offset from the layout containing frame to the actual containing frame. 706 final int layoutXDiff; 707 final int layoutYDiff; 708 if (fullscreenTask || layoutInParentFrame()) { 709 // We use the parent frame as the containing frame for fullscreen and child windows 710 mContainingFrame.set(pf); 711 mDisplayFrame.set(df); 712 layoutDisplayFrame = df; 713 layoutContainingFrame = pf; 714 layoutXDiff = 0; 715 layoutYDiff = 0; 716 } else { 717 task.getBounds(mContainingFrame); 718 if (mAppToken != null && !mAppToken.mFrozenBounds.isEmpty()) { 719 720 // If the bounds are frozen, we still want to translate the window freely and only 721 // freeze the size. 722 Rect frozen = mAppToken.mFrozenBounds.peek(); 723 mContainingFrame.right = mContainingFrame.left + frozen.width(); 724 mContainingFrame.bottom = mContainingFrame.top + frozen.height(); 725 } 726 final WindowState imeWin = mService.mInputMethodWindow; 727 // IME is up and obscuring this window. Adjust the window position so it is visible. 728 if (imeWin != null && imeWin.isVisibleNow() && mService.mInputMethodTarget == this) { 729 if (windowsAreFloating && mContainingFrame.bottom > cf.bottom) { 730 // In freeform we want to move the top up directly. 731 // TODO: Investigate why this is cf not pf. 732 mContainingFrame.top -= mContainingFrame.bottom - cf.bottom; 733 } else if (mContainingFrame.bottom > pf.bottom) { 734 // But in docked we want to behave like fullscreen 735 // and behave as if the task were given smaller bounds 736 // for the purposes of layout. 737 mContainingFrame.bottom = pf.bottom; 738 } 739 } 740 741 if (windowsAreFloating) { 742 // In floating modes (e.g. freeform, pinned) we have only to set the rectangle 743 // if it wasn't set already. No need to intersect it with the (visible) 744 // "content frame" since it is allowed to be outside the visible desktop. 745 if (mContainingFrame.isEmpty()) { 746 mContainingFrame.set(cf); 747 } 748 } 749 mDisplayFrame.set(mContainingFrame); 750 layoutXDiff = !mInsetFrame.isEmpty() ? mInsetFrame.left - mContainingFrame.left : 0; 751 layoutYDiff = !mInsetFrame.isEmpty() ? mInsetFrame.top - mContainingFrame.top : 0; 752 layoutContainingFrame = !mInsetFrame.isEmpty() ? mInsetFrame : mContainingFrame; 753 mTmpRect.set(0, 0, mDisplayContent.getDisplayInfo().logicalWidth, 754 mDisplayContent.getDisplayInfo().logicalHeight); 755 subtractInsets(mDisplayFrame, layoutContainingFrame, df, mTmpRect); 756 if (!layoutInParentFrame()) { 757 subtractInsets(mContainingFrame, layoutContainingFrame, pf, mTmpRect); 758 subtractInsets(mInsetFrame, layoutContainingFrame, pf, mTmpRect); 759 } 760 layoutDisplayFrame = df; 761 layoutDisplayFrame.intersect(layoutContainingFrame); 762 } 763 764 final int pw = mContainingFrame.width(); 765 final int ph = mContainingFrame.height(); 766 767 if (!mParentFrame.equals(pf)) { 768 //Slog.i(TAG_WM, "Window " + this + " content frame from " + mParentFrame 769 // + " to " + pf); 770 mParentFrame.set(pf); 771 mContentChanged = true; 772 } 773 if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) { 774 mLastRequestedWidth = mRequestedWidth; 775 mLastRequestedHeight = mRequestedHeight; 776 mContentChanged = true; 777 } 778 779 mOverscanFrame.set(of); 780 mContentFrame.set(cf); 781 mVisibleFrame.set(vf); 782 mDecorFrame.set(dcf); 783 mStableFrame.set(sf); 784 final boolean hasOutsets = osf != null; 785 if (hasOutsets) { 786 mOutsetFrame.set(osf); 787 } 788 789 final int fw = mFrame.width(); 790 final int fh = mFrame.height(); 791 792 applyGravityAndUpdateFrame(layoutContainingFrame, layoutDisplayFrame); 793 794 // Calculate the outsets before the content frame gets shrinked to the window frame. 795 if (hasOutsets) { 796 mOutsets.set(Math.max(mContentFrame.left - mOutsetFrame.left, 0), 797 Math.max(mContentFrame.top - mOutsetFrame.top, 0), 798 Math.max(mOutsetFrame.right - mContentFrame.right, 0), 799 Math.max(mOutsetFrame.bottom - mContentFrame.bottom, 0)); 800 } else { 801 mOutsets.set(0, 0, 0, 0); 802 } 803 804 // Make sure the content and visible frames are inside of the 805 // final window frame. 806 if (windowsAreFloating && !mFrame.isEmpty()) { 807 // Keep the frame out of the blocked system area, limit it in size to the content area 808 // and make sure that there is always a minimum visible so that the user can drag it 809 // into a usable area.. 810 final int height = Math.min(mFrame.height(), mContentFrame.height()); 811 final int width = Math.min(mContentFrame.width(), mFrame.width()); 812 final DisplayMetrics displayMetrics = getDisplayContent().getDisplayMetrics(); 813 final int minVisibleHeight = WindowManagerService.dipToPixel( 814 MINIMUM_VISIBLE_HEIGHT_IN_DP, displayMetrics); 815 final int minVisibleWidth = WindowManagerService.dipToPixel( 816 MINIMUM_VISIBLE_WIDTH_IN_DP, displayMetrics); 817 final int top = Math.max(mContentFrame.top, 818 Math.min(mFrame.top, mContentFrame.bottom - minVisibleHeight)); 819 final int left = Math.max(mContentFrame.left + minVisibleWidth - width, 820 Math.min(mFrame.left, mContentFrame.right - minVisibleWidth)); 821 mFrame.set(left, top, left + width, top + height); 822 mContentFrame.set(mFrame); 823 mVisibleFrame.set(mContentFrame); 824 mStableFrame.set(mContentFrame); 825 } else if (mAttrs.type == TYPE_DOCK_DIVIDER) { 826 mDisplayContent.getDockedDividerController().positionDockedStackedDivider(mFrame); 827 mContentFrame.set(mFrame); 828 if (!mFrame.equals(mLastFrame)) { 829 mMovedByResize = true; 830 } 831 } else { 832 mContentFrame.set(Math.max(mContentFrame.left, mFrame.left), 833 Math.max(mContentFrame.top, mFrame.top), 834 Math.min(mContentFrame.right, mFrame.right), 835 Math.min(mContentFrame.bottom, mFrame.bottom)); 836 837 mVisibleFrame.set(Math.max(mVisibleFrame.left, mFrame.left), 838 Math.max(mVisibleFrame.top, mFrame.top), 839 Math.min(mVisibleFrame.right, mFrame.right), 840 Math.min(mVisibleFrame.bottom, mFrame.bottom)); 841 842 mStableFrame.set(Math.max(mStableFrame.left, mFrame.left), 843 Math.max(mStableFrame.top, mFrame.top), 844 Math.min(mStableFrame.right, mFrame.right), 845 Math.min(mStableFrame.bottom, mFrame.bottom)); 846 } 847 848 if (fullscreenTask && !windowsAreFloating) { 849 // Windows that are not fullscreen can be positioned outside of the display frame, 850 // but that is not a reason to provide them with overscan insets. 851 mOverscanInsets.set(Math.max(mOverscanFrame.left - layoutContainingFrame.left, 0), 852 Math.max(mOverscanFrame.top - layoutContainingFrame.top, 0), 853 Math.max(layoutContainingFrame.right - mOverscanFrame.right, 0), 854 Math.max(layoutContainingFrame.bottom - mOverscanFrame.bottom, 0)); 855 } 856 857 if (mAttrs.type == TYPE_DOCK_DIVIDER) { 858 // For the docked divider, we calculate the stable insets like a full-screen window 859 // so it can use it to calculate the snap positions. 860 mStableInsets.set(Math.max(mStableFrame.left - mDisplayFrame.left, 0), 861 Math.max(mStableFrame.top - mDisplayFrame.top, 0), 862 Math.max(mDisplayFrame.right - mStableFrame.right, 0), 863 Math.max(mDisplayFrame.bottom - mStableFrame.bottom, 0)); 864 865 // The divider doesn't care about insets in any case, so set it to empty so we don't 866 // trigger a relayout when moving it. 867 mContentInsets.setEmpty(); 868 mVisibleInsets.setEmpty(); 869 } else { 870 getDisplayContent().getLogicalDisplayRect(mTmpRect); 871 // Override right and/or bottom insets in case if the frame doesn't fit the screen in 872 // non-fullscreen mode. 873 boolean overrideRightInset = !fullscreenTask && mFrame.right > mTmpRect.right; 874 boolean overrideBottomInset = !fullscreenTask && mFrame.bottom > mTmpRect.bottom; 875 mContentInsets.set(mContentFrame.left - mFrame.left, 876 mContentFrame.top - mFrame.top, 877 overrideRightInset ? mTmpRect.right - mContentFrame.right 878 : mFrame.right - mContentFrame.right, 879 overrideBottomInset ? mTmpRect.bottom - mContentFrame.bottom 880 : mFrame.bottom - mContentFrame.bottom); 881 882 mVisibleInsets.set(mVisibleFrame.left - mFrame.left, 883 mVisibleFrame.top - mFrame.top, 884 overrideRightInset ? mTmpRect.right - mVisibleFrame.right 885 : mFrame.right - mVisibleFrame.right, 886 overrideBottomInset ? mTmpRect.bottom - mVisibleFrame.bottom 887 : mFrame.bottom - mVisibleFrame.bottom); 888 889 mStableInsets.set(Math.max(mStableFrame.left - mFrame.left, 0), 890 Math.max(mStableFrame.top - mFrame.top, 0), 891 overrideRightInset ? Math.max(mTmpRect.right - mStableFrame.right, 0) 892 : Math.max(mFrame.right - mStableFrame.right, 0), 893 overrideBottomInset ? Math.max(mTmpRect.bottom - mStableFrame.bottom, 0) 894 : Math.max(mFrame.bottom - mStableFrame.bottom, 0)); 895 } 896 897 // Offset the actual frame by the amount layout frame is off. 898 mFrame.offset(-layoutXDiff, -layoutYDiff); 899 mCompatFrame.offset(-layoutXDiff, -layoutYDiff); 900 mContentFrame.offset(-layoutXDiff, -layoutYDiff); 901 mVisibleFrame.offset(-layoutXDiff, -layoutYDiff); 902 mStableFrame.offset(-layoutXDiff, -layoutYDiff); 903 904 mCompatFrame.set(mFrame); 905 if (mEnforceSizeCompat) { 906 // If there is a size compatibility scale being applied to the 907 // window, we need to apply this to its insets so that they are 908 // reported to the app in its coordinate space. 909 mOverscanInsets.scale(mInvGlobalScale); 910 mContentInsets.scale(mInvGlobalScale); 911 mVisibleInsets.scale(mInvGlobalScale); 912 mStableInsets.scale(mInvGlobalScale); 913 mOutsets.scale(mInvGlobalScale); 914 915 // Also the scaled frame that we report to the app needs to be 916 // adjusted to be in its coordinate space. 917 mCompatFrame.scale(mInvGlobalScale); 918 } 919 920 if (mIsWallpaper && (fw != mFrame.width() || fh != mFrame.height())) { 921 final DisplayContent displayContent = getDisplayContent(); 922 if (displayContent != null) { 923 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 924 mService.mWallpaperControllerLocked.updateWallpaperOffset( 925 this, displayInfo.logicalWidth, displayInfo.logicalHeight, false); 926 } 927 } 928 929 if (DEBUG_LAYOUT || WindowManagerService.localLOGV) Slog.v(TAG, 930 "Resolving (mRequestedWidth=" 931 + mRequestedWidth + ", mRequestedheight=" 932 + mRequestedHeight + ") to" + " (pw=" + pw + ", ph=" + ph 933 + "): frame=" + mFrame.toShortString() 934 + " ci=" + mContentInsets.toShortString() 935 + " vi=" + mVisibleInsets.toShortString() 936 + " si=" + mStableInsets.toShortString() 937 + " of=" + mOutsets.toShortString()); 938 } 939 940 @Override 941 public Rect getFrameLw() { 942 return mFrame; 943 } 944 945 @Override 946 public Point getShownPositionLw() { 947 return mShownPosition; 948 } 949 950 @Override 951 public Rect getDisplayFrameLw() { 952 return mDisplayFrame; 953 } 954 955 @Override 956 public Rect getOverscanFrameLw() { 957 return mOverscanFrame; 958 } 959 960 @Override 961 public Rect getContentFrameLw() { 962 return mContentFrame; 963 } 964 965 @Override 966 public Rect getVisibleFrameLw() { 967 return mVisibleFrame; 968 } 969 970 @Override 971 public boolean getGivenInsetsPendingLw() { 972 return mGivenInsetsPending; 973 } 974 975 @Override 976 public Rect getGivenContentInsetsLw() { 977 return mGivenContentInsets; 978 } 979 980 @Override 981 public Rect getGivenVisibleInsetsLw() { 982 return mGivenVisibleInsets; 983 } 984 985 @Override 986 public WindowManager.LayoutParams getAttrs() { 987 return mAttrs; 988 } 989 990 @Override 991 public boolean getNeedsMenuLw(WindowManagerPolicy.WindowState bottom) { 992 int index = -1; 993 WindowState ws = this; 994 WindowList windows = getWindowList(); 995 while (true) { 996 if (ws.mAttrs.needsMenuKey != WindowManager.LayoutParams.NEEDS_MENU_UNSET) { 997 return ws.mAttrs.needsMenuKey == WindowManager.LayoutParams.NEEDS_MENU_SET_TRUE; 998 } 999 // If we reached the bottom of the range of windows we are considering, 1000 // assume no menu is needed. 1001 if (ws == bottom) { 1002 return false; 1003 } 1004 // The current window hasn't specified whether menu key is needed; 1005 // look behind it. 1006 // First, we may need to determine the starting position. 1007 if (index < 0) { 1008 index = windows.indexOf(ws); 1009 } 1010 index--; 1011 if (index < 0) { 1012 return false; 1013 } 1014 ws = windows.get(index); 1015 } 1016 } 1017 1018 @Override 1019 public int getSystemUiVisibility() { 1020 return mSystemUiVisibility; 1021 } 1022 1023 @Override 1024 public int getSurfaceLayer() { 1025 return mLayer; 1026 } 1027 1028 @Override 1029 public int getBaseType() { 1030 WindowState win = this; 1031 while (win.isChildWindow()) { 1032 win = win.mAttachedWindow; 1033 } 1034 return win.mAttrs.type; 1035 } 1036 1037 @Override 1038 public IApplicationToken getAppToken() { 1039 return mAppToken != null ? mAppToken.appToken : null; 1040 } 1041 1042 @Override 1043 public boolean isVoiceInteraction() { 1044 return mAppToken != null && mAppToken.voiceInteraction; 1045 } 1046 1047 boolean setInsetsChanged() { 1048 mOverscanInsetsChanged |= !mLastOverscanInsets.equals(mOverscanInsets); 1049 mContentInsetsChanged |= !mLastContentInsets.equals(mContentInsets); 1050 mVisibleInsetsChanged |= !mLastVisibleInsets.equals(mVisibleInsets); 1051 mStableInsetsChanged |= !mLastStableInsets.equals(mStableInsets); 1052 mOutsetsChanged |= !mLastOutsets.equals(mOutsets); 1053 return mOverscanInsetsChanged || mContentInsetsChanged || mVisibleInsetsChanged 1054 || mOutsetsChanged; 1055 } 1056 1057 public DisplayContent getDisplayContent() { 1058 if (mAppToken == null || mNotOnAppsDisplay) { 1059 return mDisplayContent; 1060 } 1061 final TaskStack stack = getStack(); 1062 return stack == null ? mDisplayContent : stack.getDisplayContent(); 1063 } 1064 1065 public DisplayInfo getDisplayInfo() { 1066 final DisplayContent displayContent = getDisplayContent(); 1067 return displayContent != null ? displayContent.getDisplayInfo() : null; 1068 } 1069 1070 public int getDisplayId() { 1071 final DisplayContent displayContent = getDisplayContent(); 1072 if (displayContent == null) { 1073 return -1; 1074 } 1075 return displayContent.getDisplayId(); 1076 } 1077 1078 Task getTask() { 1079 return mAppToken != null ? mAppToken.mTask : null; 1080 } 1081 1082 TaskStack getStack() { 1083 Task task = getTask(); 1084 if (task != null) { 1085 if (task.mStack != null) { 1086 return task.mStack; 1087 } 1088 } 1089 // Some system windows (e.g. "Power off" dialog) don't have a task, but we would still 1090 // associate them with some stack to enable dimming. 1091 return mAttrs.type >= WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW 1092 && mDisplayContent != null ? mDisplayContent.getHomeStack() : null; 1093 } 1094 1095 /** 1096 * Retrieves the visible bounds of the window. 1097 * @param bounds The rect which gets the bounds. 1098 */ 1099 void getVisibleBounds(Rect bounds) { 1100 final Task task = getTask(); 1101 boolean intersectWithStackBounds = task != null && task.cropWindowsToStackBounds(); 1102 bounds.setEmpty(); 1103 mTmpRect.setEmpty(); 1104 if (intersectWithStackBounds) { 1105 final TaskStack stack = task.mStack; 1106 if (stack != null) { 1107 stack.getDimBounds(mTmpRect); 1108 } else { 1109 intersectWithStackBounds = false; 1110 } 1111 } 1112 1113 bounds.set(mVisibleFrame); 1114 if (intersectWithStackBounds) { 1115 bounds.intersect(mTmpRect); 1116 } 1117 1118 if (bounds.isEmpty()) { 1119 bounds.set(mFrame); 1120 if (intersectWithStackBounds) { 1121 bounds.intersect(mTmpRect); 1122 } 1123 return; 1124 } 1125 } 1126 1127 public long getInputDispatchingTimeoutNanos() { 1128 return mAppToken != null 1129 ? mAppToken.inputDispatchingTimeoutNanos 1130 : WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 1131 } 1132 1133 @Override 1134 public boolean hasAppShownWindows() { 1135 return mAppToken != null && (mAppToken.firstWindowDrawn || mAppToken.startingDisplayed); 1136 } 1137 1138 boolean isIdentityMatrix(float dsdx, float dtdx, float dsdy, float dtdy) { 1139 if (dsdx < .99999f || dsdx > 1.00001f) return false; 1140 if (dtdy < .99999f || dtdy > 1.00001f) return false; 1141 if (dtdx < -.000001f || dtdx > .000001f) return false; 1142 if (dsdy < -.000001f || dsdy > .000001f) return false; 1143 return true; 1144 } 1145 1146 void prelayout() { 1147 if (mEnforceSizeCompat) { 1148 mGlobalScale = mService.mCompatibleScreenScale; 1149 mInvGlobalScale = 1/mGlobalScale; 1150 } else { 1151 mGlobalScale = mInvGlobalScale = 1; 1152 } 1153 } 1154 1155 /** 1156 * Does the minimal check for visibility. Callers generally want to use one of the public 1157 * methods as they perform additional checks on the app token. 1158 * TODO: See if there are other places we can use this check below instead of duplicating... 1159 */ 1160 private boolean isVisibleUnchecked() { 1161 return mHasSurface && mPolicyVisibility && !mAttachedHidden 1162 && !mAnimatingExit && !mDestroying && (!mIsWallpaper || mWallpaperVisible); 1163 } 1164 1165 /** 1166 * Is this window visible? It is not visible if there is no surface, or we are in the process 1167 * of running an exit animation that will remove the surface, or its app token has been hidden. 1168 */ 1169 @Override 1170 public boolean isVisibleLw() { 1171 return (mAppToken == null || !mAppToken.hiddenRequested) && isVisibleUnchecked(); 1172 } 1173 1174 /** 1175 * Like {@link #isVisibleLw}, but also counts a window that is currently "hidden" behind the 1176 * keyguard as visible. This allows us to apply things like window flags that impact the 1177 * keyguard. XXX I am starting to think we need to have ANOTHER visibility flag for this 1178 * "hidden behind keyguard" state rather than overloading mPolicyVisibility. Ungh. 1179 */ 1180 @Override 1181 public boolean isVisibleOrBehindKeyguardLw() { 1182 if (mRootToken.waitingToShow && mService.mAppTransition.isTransitionSet()) { 1183 return false; 1184 } 1185 final AppWindowToken atoken = mAppToken; 1186 final boolean animating = atoken != null && atoken.mAppAnimator.animation != null; 1187 return mHasSurface && !mDestroying && !mAnimatingExit 1188 && (atoken == null ? mPolicyVisibility : !atoken.hiddenRequested) 1189 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE && !mRootToken.hidden) 1190 || mWinAnimator.mAnimation != null || animating); 1191 } 1192 1193 /** 1194 * Is this window visible, ignoring its app token? It is not visible if there is no surface, 1195 * or we are in the process of running an exit animation that will remove the surface. 1196 */ 1197 public boolean isWinVisibleLw() { 1198 return (mAppToken == null || !mAppToken.hiddenRequested || mAppToken.mAppAnimator.animating) 1199 && isVisibleUnchecked(); 1200 } 1201 1202 /** 1203 * The same as isVisible(), but follows the current hidden state of the associated app token, 1204 * not the pending requested hidden state. 1205 */ 1206 boolean isVisibleNow() { 1207 return (!mRootToken.hidden || mAttrs.type == TYPE_APPLICATION_STARTING) 1208 && isVisibleUnchecked(); 1209 } 1210 1211 /** 1212 * Can this window possibly be a drag/drop target? The test here is 1213 * a combination of the above "visible now" with the check that the 1214 * Input Manager uses when discarding windows from input consideration. 1215 */ 1216 boolean isPotentialDragTarget() { 1217 return isVisibleNow() && !mRemoved 1218 && mInputChannel != null && mInputWindowHandle != null; 1219 } 1220 1221 /** 1222 * Same as isVisible(), but we also count it as visible between the 1223 * call to IWindowSession.add() and the first relayout(). 1224 */ 1225 boolean isVisibleOrAdding() { 1226 final AppWindowToken atoken = mAppToken; 1227 return (mHasSurface || (!mRelayoutCalled && mViewVisibility == View.VISIBLE)) 1228 && mPolicyVisibility && !mAttachedHidden 1229 && (atoken == null || !atoken.hiddenRequested) 1230 && !mAnimatingExit && !mDestroying; 1231 } 1232 1233 /** 1234 * Is this window currently on-screen? It is on-screen either if it 1235 * is visible or it is currently running an animation before no longer 1236 * being visible. 1237 */ 1238 boolean isOnScreen() { 1239 return mPolicyVisibility && isOnScreenIgnoringKeyguard(); 1240 } 1241 1242 /** 1243 * Like isOnScreen(), but ignores any force hiding of the window due 1244 * to the keyguard. 1245 */ 1246 boolean isOnScreenIgnoringKeyguard() { 1247 if (!mHasSurface || mDestroying) { 1248 return false; 1249 } 1250 final AppWindowToken atoken = mAppToken; 1251 if (atoken != null) { 1252 return ((!mAttachedHidden && !atoken.hiddenRequested) 1253 || mWinAnimator.mAnimation != null || atoken.mAppAnimator.animation != null); 1254 } 1255 return !mAttachedHidden || mWinAnimator.mAnimation != null; 1256 } 1257 1258 /** 1259 * Whether this window's drawn state might affect the drawn states of the app token. 1260 * 1261 * @param visibleOnly Whether we should consider only the windows that's currently 1262 * visible in layout. If true, windows that has not relayout to VISIBLE 1263 * would always return false. 1264 * 1265 * @return true if the window should be considered while evaluating allDrawn flags. 1266 */ 1267 boolean mightAffectAllDrawn(boolean visibleOnly) { 1268 final boolean isViewVisible = (mViewVisibility == View.VISIBLE) 1269 && (mAppToken == null || !mAppToken.clientHidden); 1270 return (isOnScreenIgnoringKeyguard() && (!visibleOnly || isViewVisible) 1271 || mWinAnimator.mAttrType == TYPE_BASE_APPLICATION) 1272 && !mAnimatingExit && !mDestroying; 1273 } 1274 1275 /** 1276 * Whether this window is "interesting" when evaluating allDrawn. If it's interesting, 1277 * it must be drawn before allDrawn can become true. 1278 */ 1279 boolean isInteresting() { 1280 return mAppToken != null && !mAppDied 1281 && (!mAppToken.mAppAnimator.freezingScreen || !mAppFreezing); 1282 } 1283 1284 /** 1285 * Like isOnScreen(), but we don't return true if the window is part 1286 * of a transition that has not yet been started. 1287 */ 1288 boolean isReadyForDisplay() { 1289 if (mRootToken.waitingToShow && mService.mAppTransition.isTransitionSet()) { 1290 return false; 1291 } 1292 return mHasSurface && mPolicyVisibility && !mDestroying 1293 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE && !mRootToken.hidden) 1294 || mWinAnimator.mAnimation != null 1295 || ((mAppToken != null) && (mAppToken.mAppAnimator.animation != null))); 1296 } 1297 1298 /** 1299 * Like isReadyForDisplay(), but ignores any force hiding of the window due 1300 * to the keyguard. 1301 */ 1302 boolean isReadyForDisplayIgnoringKeyguard() { 1303 if (mRootToken.waitingToShow && mService.mAppTransition.isTransitionSet()) { 1304 return false; 1305 } 1306 final AppWindowToken atoken = mAppToken; 1307 if (atoken == null && !mPolicyVisibility) { 1308 // If this is not an app window, and the policy has asked to force 1309 // hide, then we really do want to hide. 1310 return false; 1311 } 1312 return mHasSurface && !mDestroying 1313 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE && !mRootToken.hidden) 1314 || mWinAnimator.mAnimation != null 1315 || ((atoken != null) && (atoken.mAppAnimator.animation != null) 1316 && !mWinAnimator.isDummyAnimation())); 1317 } 1318 1319 /** 1320 * Like isOnScreen, but returns false if the surface hasn't yet 1321 * been drawn. 1322 */ 1323 @Override 1324 public boolean isDisplayedLw() { 1325 final AppWindowToken atoken = mAppToken; 1326 return isDrawnLw() && mPolicyVisibility 1327 && ((!mAttachedHidden && 1328 (atoken == null || !atoken.hiddenRequested)) 1329 || mWinAnimator.mAnimating 1330 || (atoken != null && atoken.mAppAnimator.animation != null)); 1331 } 1332 1333 /** 1334 * Return true if this window or its app token is currently animating. 1335 */ 1336 @Override 1337 public boolean isAnimatingLw() { 1338 return mWinAnimator.mAnimation != null 1339 || (mAppToken != null && mAppToken.mAppAnimator.animation != null); 1340 } 1341 1342 @Override 1343 public boolean isGoneForLayoutLw() { 1344 final AppWindowToken atoken = mAppToken; 1345 return mViewVisibility == View.GONE 1346 || !mRelayoutCalled 1347 || (atoken == null && mRootToken.hidden) 1348 || (atoken != null && atoken.hiddenRequested) 1349 || mAttachedHidden 1350 || (mAnimatingExit && !isAnimatingLw()) 1351 || mDestroying; 1352 } 1353 1354 /** 1355 * Returns true if the window has a surface that it has drawn a 1356 * complete UI in to. 1357 */ 1358 public boolean isDrawFinishedLw() { 1359 return mHasSurface && !mDestroying && 1360 (mWinAnimator.mDrawState == WindowStateAnimator.COMMIT_DRAW_PENDING 1361 || mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW 1362 || mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN); 1363 } 1364 1365 /** 1366 * Returns true if the window has a surface that it has drawn a 1367 * complete UI in to. 1368 */ 1369 @Override 1370 public boolean isDrawnLw() { 1371 return mHasSurface && !mDestroying && 1372 (mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW 1373 || mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN); 1374 } 1375 1376 /** 1377 * Return true if the window is opaque and fully drawn. This indicates 1378 * it may obscure windows behind it. 1379 */ 1380 boolean isOpaqueDrawn() { 1381 // When there is keyguard, wallpaper could be placed over the secure app 1382 // window but invisible. We need to check wallpaper visibility explicitly 1383 // to determine if it's occluding apps. 1384 return ((!mIsWallpaper && mAttrs.format == PixelFormat.OPAQUE) 1385 || (mIsWallpaper && mWallpaperVisible)) 1386 && isDrawnLw() && mWinAnimator.mAnimation == null 1387 && (mAppToken == null || mAppToken.mAppAnimator.animation == null); 1388 } 1389 1390 /** 1391 * Return whether this window has moved. (Only makes 1392 * sense to call from performLayoutAndPlaceSurfacesLockedInner().) 1393 */ 1394 boolean hasMoved() { 1395 return mHasSurface && (mContentChanged || mMovedByResize) 1396 && !mAnimatingExit && mService.okToDisplay() 1397 && (mFrame.top != mLastFrame.top || mFrame.left != mLastFrame.left) 1398 && (mAttachedWindow == null || !mAttachedWindow.hasMoved()); 1399 } 1400 1401 boolean isObscuringFullscreen(final DisplayInfo displayInfo) { 1402 Task task = getTask(); 1403 if (task != null && task.mStack != null && !task.mStack.isFullscreen()) { 1404 return false; 1405 } 1406 if (!isOpaqueDrawn() || !isFrameFullscreen(displayInfo)) { 1407 return false; 1408 } 1409 return true; 1410 } 1411 1412 boolean isFrameFullscreen(final DisplayInfo displayInfo) { 1413 return mFrame.left <= 0 && mFrame.top <= 0 1414 && mFrame.right >= displayInfo.appWidth && mFrame.bottom >= displayInfo.appHeight; 1415 } 1416 1417 boolean isConfigChanged() { 1418 getMergedConfig(mTmpConfig); 1419 1420 // If the merged configuration is still empty, it means that we haven't issues the 1421 // configuration to the client yet and we need to return true so the configuration updates. 1422 boolean configChanged = mMergedConfiguration.equals(Configuration.EMPTY) 1423 || mTmpConfig.diff(mMergedConfiguration) != 0; 1424 1425 if ((mAttrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) { 1426 // Retain configuration changed status until resetConfiguration called. 1427 mConfigHasChanged |= configChanged; 1428 configChanged = mConfigHasChanged; 1429 } 1430 1431 return configChanged; 1432 } 1433 1434 boolean isAdjustedForMinimizedDock() { 1435 return mAppToken != null && mAppToken.mTask != null 1436 && mAppToken.mTask.mStack.isAdjustedForMinimizedDock(); 1437 } 1438 1439 void removeLocked() { 1440 disposeInputChannel(); 1441 1442 if (isChildWindow()) { 1443 if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + this + " from " + mAttachedWindow); 1444 mAttachedWindow.mChildWindows.remove(this); 1445 } 1446 mWinAnimator.destroyDeferredSurfaceLocked(); 1447 mWinAnimator.destroySurfaceLocked(); 1448 mSession.windowRemovedLocked(); 1449 try { 1450 mClient.asBinder().unlinkToDeath(mDeathRecipient, 0); 1451 } catch (RuntimeException e) { 1452 // Ignore if it has already been removed (usually because 1453 // we are doing this as part of processing a death note.) 1454 } 1455 } 1456 1457 void setHasSurface(boolean hasSurface) { 1458 mHasSurface = hasSurface; 1459 } 1460 1461 int getAnimLayerAdjustment() { 1462 if (mTargetAppToken != null) { 1463 return mTargetAppToken.mAppAnimator.animLayerAdjustment; 1464 } else if (mAppToken != null) { 1465 return mAppToken.mAppAnimator.animLayerAdjustment; 1466 } else { 1467 // Nothing is animating, so there is no animation adjustment. 1468 return 0; 1469 } 1470 } 1471 1472 void scheduleAnimationIfDimming() { 1473 if (mDisplayContent == null) { 1474 return; 1475 } 1476 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 1477 if (dimLayerUser != null && mDisplayContent.mDimLayerController.isDimming( 1478 dimLayerUser, mWinAnimator)) { 1479 // Force an animation pass just to update the mDimLayer layer. 1480 mService.scheduleAnimationLocked(); 1481 } 1482 } 1483 1484 /** 1485 * Notifies this window that the corresponding task has just moved in the stack. 1486 * <p> 1487 * This is used to fix the following: If we moved in the stack, and if the last clip rect was 1488 * empty, meaning that our task was completely offscreen, we need to keep it invisible because 1489 * the actual app transition that updates the visibility is delayed by a few transactions. 1490 * Instead of messing around with the ordering and timing how transitions and transactions are 1491 * executed, we introduce this little hack which prevents this window of getting visible again 1492 * with the wrong bounds until the app transitions has started. 1493 * <p> 1494 * This method notifies the window about that we just moved in the stack so we can apply this 1495 * logic in {@link WindowStateAnimator#updateSurfaceWindowCrop} 1496 */ 1497 void notifyMovedInStack() { 1498 mJustMovedInStack = true; 1499 } 1500 1501 /** 1502 * See {@link #notifyMovedInStack}. 1503 * 1504 * @return Whether we just got moved in the corresponding stack. 1505 */ 1506 boolean hasJustMovedInStack() { 1507 return mJustMovedInStack; 1508 } 1509 1510 /** 1511 * Resets that we just moved in the corresponding stack. See {@link #notifyMovedInStack}. 1512 */ 1513 void resetJustMovedInStack() { 1514 mJustMovedInStack = false; 1515 } 1516 1517 private final class DeadWindowEventReceiver extends InputEventReceiver { 1518 DeadWindowEventReceiver(InputChannel inputChannel) { 1519 super(inputChannel, mService.mH.getLooper()); 1520 } 1521 @Override 1522 public void onInputEvent(InputEvent event) { 1523 finishInputEvent(event, true); 1524 } 1525 } 1526 /** 1527 * Dummy event receiver for windows that died visible. 1528 */ 1529 private DeadWindowEventReceiver mDeadWindowEventReceiver; 1530 1531 void openInputChannel(InputChannel outInputChannel) { 1532 if (mInputChannel != null) { 1533 throw new IllegalStateException("Window already has an input channel."); 1534 } 1535 String name = makeInputChannelName(); 1536 InputChannel[] inputChannels = InputChannel.openInputChannelPair(name); 1537 mInputChannel = inputChannels[0]; 1538 mClientChannel = inputChannels[1]; 1539 mInputWindowHandle.inputChannel = inputChannels[0]; 1540 if (outInputChannel != null) { 1541 mClientChannel.transferTo(outInputChannel); 1542 mClientChannel.dispose(); 1543 mClientChannel = null; 1544 } else { 1545 // If the window died visible, we setup a dummy input channel, so that taps 1546 // can still detected by input monitor channel, and we can relaunch the app. 1547 // Create dummy event receiver that simply reports all events as handled. 1548 mDeadWindowEventReceiver = new DeadWindowEventReceiver(mClientChannel); 1549 } 1550 mService.mInputManager.registerInputChannel(mInputChannel, mInputWindowHandle); 1551 } 1552 1553 void disposeInputChannel() { 1554 if (mDeadWindowEventReceiver != null) { 1555 mDeadWindowEventReceiver.dispose(); 1556 mDeadWindowEventReceiver = null; 1557 } 1558 1559 // unregister server channel first otherwise it complains about broken channel 1560 if (mInputChannel != null) { 1561 mService.mInputManager.unregisterInputChannel(mInputChannel); 1562 mInputChannel.dispose(); 1563 mInputChannel = null; 1564 } 1565 if (mClientChannel != null) { 1566 mClientChannel.dispose(); 1567 mClientChannel = null; 1568 } 1569 mInputWindowHandle.inputChannel = null; 1570 } 1571 1572 void applyDimLayerIfNeeded() { 1573 // When the app is terminated (eg. from Recents), the task might have already been 1574 // removed with the window pending removal. Don't apply dim in such cases, as there 1575 // will be no more updateDimLayer() calls, which leaves the dimlayer invalid. 1576 final AppWindowToken token = mAppToken; 1577 if (token != null && token.removed) { 1578 return; 1579 } 1580 1581 if (!mAnimatingExit && mAppDied) { 1582 // If app died visible, apply a dim over the window to indicate that it's inactive 1583 mDisplayContent.mDimLayerController.applyDimAbove(getDimLayerUser(), mWinAnimator); 1584 } else if ((mAttrs.flags & FLAG_DIM_BEHIND) != 0 1585 && mDisplayContent != null && !mAnimatingExit && isVisibleUnchecked()) { 1586 mDisplayContent.mDimLayerController.applyDimBehind(getDimLayerUser(), mWinAnimator); 1587 } 1588 } 1589 1590 DimLayer.DimLayerUser getDimLayerUser() { 1591 Task task = getTask(); 1592 if (task != null) { 1593 return task; 1594 } 1595 return getStack(); 1596 } 1597 1598 void maybeRemoveReplacedWindow() { 1599 if (mAppToken == null) { 1600 return; 1601 } 1602 for (int i = mAppToken.allAppWindows.size() - 1; i >= 0; i--) { 1603 final WindowState win = mAppToken.allAppWindows.get(i); 1604 if (win.mWillReplaceWindow && win.mReplacingWindow == this && hasDrawnLw()) { 1605 if (DEBUG_ADD_REMOVE) Slog.d(TAG, "Removing replaced window: " + win); 1606 if (win.isDimming()) { 1607 win.transferDimToReplacement(); 1608 } 1609 win.mWillReplaceWindow = false; 1610 final boolean animateReplacingWindow = win.mAnimateReplacingWindow; 1611 win.mAnimateReplacingWindow = false; 1612 win.mReplacingRemoveRequested = false; 1613 win.mReplacingWindow = null; 1614 mSkipEnterAnimationForSeamlessReplacement = false; 1615 if (win.mAnimatingExit || !animateReplacingWindow) { 1616 mService.removeWindowInnerLocked(win); 1617 } 1618 } 1619 } 1620 } 1621 1622 void setDisplayLayoutNeeded() { 1623 if (mDisplayContent != null) { 1624 mDisplayContent.layoutNeeded = true; 1625 } 1626 } 1627 1628 boolean inDockedWorkspace() { 1629 final Task task = getTask(); 1630 return task != null && task.inDockedWorkspace(); 1631 } 1632 1633 boolean isDockedInEffect() { 1634 final Task task = getTask(); 1635 return task != null && task.isDockedInEffect(); 1636 } 1637 1638 void applyScrollIfNeeded() { 1639 final Task task = getTask(); 1640 if (task != null) { 1641 task.applyScrollToWindowIfNeeded(this); 1642 } 1643 } 1644 1645 void applyAdjustForImeIfNeeded() { 1646 final Task task = getTask(); 1647 if (task != null && task.mStack != null && task.mStack.isAdjustedForIme()) { 1648 task.mStack.applyAdjustForImeIfNeeded(task); 1649 } 1650 } 1651 1652 int getTouchableRegion(Region region, int flags) { 1653 final boolean modal = (flags & (FLAG_NOT_TOUCH_MODAL | FLAG_NOT_FOCUSABLE)) == 0; 1654 if (modal && mAppToken != null) { 1655 // Limit the outer touch to the activity stack region. 1656 flags |= FLAG_NOT_TOUCH_MODAL; 1657 // If this is a modal window we need to dismiss it if it's not full screen and the 1658 // touch happens outside of the frame that displays the content. This means we 1659 // need to intercept touches outside of that window. The dim layer user 1660 // associated with the window (task or stack) will give us the good bounds, as 1661 // they would be used to display the dim layer. 1662 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 1663 if (dimLayerUser != null) { 1664 dimLayerUser.getDimBounds(mTmpRect); 1665 } else { 1666 getVisibleBounds(mTmpRect); 1667 } 1668 if (inFreeformWorkspace()) { 1669 // For freeform windows we the touch region to include the whole surface for the 1670 // shadows. 1671 final DisplayMetrics displayMetrics = getDisplayContent().getDisplayMetrics(); 1672 final int delta = WindowManagerService.dipToPixel( 1673 RESIZE_HANDLE_WIDTH_IN_DP, displayMetrics); 1674 mTmpRect.inset(-delta, -delta); 1675 } 1676 region.set(mTmpRect); 1677 cropRegionToStackBoundsIfNeeded(region); 1678 } else { 1679 // Not modal or full screen modal 1680 getTouchableRegion(region); 1681 } 1682 return flags; 1683 } 1684 1685 void checkPolicyVisibilityChange() { 1686 if (mPolicyVisibility != mPolicyVisibilityAfterAnim) { 1687 if (DEBUG_VISIBILITY) { 1688 Slog.v(TAG, "Policy visibility changing after anim in " + 1689 mWinAnimator + ": " + mPolicyVisibilityAfterAnim); 1690 } 1691 mPolicyVisibility = mPolicyVisibilityAfterAnim; 1692 setDisplayLayoutNeeded(); 1693 if (!mPolicyVisibility) { 1694 if (mService.mCurrentFocus == this) { 1695 if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, 1696 "setAnimationLocked: setting mFocusMayChange true"); 1697 mService.mFocusMayChange = true; 1698 } 1699 // Window is no longer visible -- make sure if we were waiting 1700 // for it to be displayed before enabling the display, that 1701 // we allow the display to be enabled now. 1702 mService.enableScreenIfNeededLocked(); 1703 } 1704 } 1705 } 1706 1707 void setRequestedSize(int requestedWidth, int requestedHeight) { 1708 if ((mRequestedWidth != requestedWidth || mRequestedHeight != requestedHeight)) { 1709 mLayoutNeeded = true; 1710 mRequestedWidth = requestedWidth; 1711 mRequestedHeight = requestedHeight; 1712 } 1713 } 1714 1715 void prepareWindowToDisplayDuringRelayout(Configuration outConfig) { 1716 if ((mAttrs.softInputMode & SOFT_INPUT_MASK_ADJUST) 1717 == SOFT_INPUT_ADJUST_RESIZE) { 1718 mLayoutNeeded = true; 1719 } 1720 if (isDrawnLw() && mService.okToDisplay()) { 1721 mWinAnimator.applyEnterAnimationLocked(); 1722 } 1723 if ((mAttrs.flags & FLAG_TURN_SCREEN_ON) != 0) { 1724 if (DEBUG_VISIBILITY) Slog.v(TAG, "Relayout window turning screen on: " + this); 1725 mTurnOnScreen = true; 1726 } 1727 if (isConfigChanged()) { 1728 final Configuration newConfig = updateConfiguration(); 1729 if (DEBUG_CONFIGURATION) Slog.i(TAG, "Window " + this + " visible with new config: " 1730 + newConfig); 1731 outConfig.setTo(newConfig); 1732 } 1733 } 1734 1735 void adjustStartingWindowFlags() { 1736 if (mAttrs.type == TYPE_BASE_APPLICATION && mAppToken != null 1737 && mAppToken.startingWindow != null) { 1738 // Special handling of starting window over the base 1739 // window of the app: propagate lock screen flags to it, 1740 // to provide the correct semantics while starting. 1741 final int mask = FLAG_SHOW_WHEN_LOCKED | FLAG_DISMISS_KEYGUARD 1742 | FLAG_ALLOW_LOCK_WHILE_SCREEN_ON; 1743 WindowManager.LayoutParams sa = mAppToken.startingWindow.mAttrs; 1744 sa.flags = (sa.flags & ~mask) | (mAttrs.flags & mask); 1745 } 1746 } 1747 1748 void setWindowScale(int requestedWidth, int requestedHeight) { 1749 final boolean scaledWindow = (mAttrs.flags & FLAG_SCALED) != 0; 1750 1751 if (scaledWindow) { 1752 // requested{Width|Height} Surface's physical size 1753 // attrs.{width|height} Size on screen 1754 // TODO: We don't check if attrs != null here. Is it implicitly checked? 1755 mHScale = (mAttrs.width != requestedWidth) ? 1756 (mAttrs.width / (float)requestedWidth) : 1.0f; 1757 mVScale = (mAttrs.height != requestedHeight) ? 1758 (mAttrs.height / (float)requestedHeight) : 1.0f; 1759 } else { 1760 mHScale = mVScale = 1; 1761 } 1762 } 1763 1764 private class DeathRecipient implements IBinder.DeathRecipient { 1765 @Override 1766 public void binderDied() { 1767 try { 1768 synchronized(mService.mWindowMap) { 1769 WindowState win = mService.windowForClientLocked(mSession, mClient, false); 1770 Slog.i(TAG, "WIN DEATH: " + win); 1771 if (win != null) { 1772 mService.removeWindowLocked(win, shouldKeepVisibleDeadAppWindow()); 1773 if (win.mAttrs.type == TYPE_DOCK_DIVIDER) { 1774 // The owner of the docked divider died :( We reset the docked stack, 1775 // just in case they have the divider at an unstable position. Better 1776 // also reset drag resizing state, because the owner can't do it 1777 // anymore. 1778 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 1779 if (stack != null) { 1780 stack.resetDockedStackToMiddle(); 1781 } 1782 mService.setDockedStackResizing(false); 1783 } 1784 } else if (mHasSurface) { 1785 Slog.e(TAG, "!!! LEAK !!! Window removed but surface still valid."); 1786 mService.removeWindowLocked(WindowState.this); 1787 } 1788 } 1789 } catch (IllegalArgumentException ex) { 1790 // This will happen if the window has already been removed. 1791 } 1792 } 1793 } 1794 1795 /** 1796 * Returns true if this window is visible and belongs to a dead app and shouldn't be removed, 1797 * because we want to preserve its location on screen to be re-activated later when the user 1798 * interacts with it. 1799 */ 1800 boolean shouldKeepVisibleDeadAppWindow() { 1801 if (!isWinVisibleLw() || mAppToken == null || mAppToken.clientHidden) { 1802 // Not a visible app window or the app isn't dead. 1803 return false; 1804 } 1805 1806 if (mAttrs.token != mClient.asBinder()) { 1807 // The window was add by a client using another client's app token. We don't want to 1808 // keep the dead window around for this case since this is meant for 'real' apps. 1809 return false; 1810 } 1811 1812 if (mAttrs.type == TYPE_APPLICATION_STARTING) { 1813 // We don't keep starting windows since they were added by the window manager before 1814 // the app even launched. 1815 return false; 1816 } 1817 1818 final TaskStack stack = getStack(); 1819 return stack != null && StackId.keepVisibleDeadAppWindowOnScreen(stack.mStackId); 1820 } 1821 1822 /** @return true if this window desires key events. */ 1823 boolean canReceiveKeys() { 1824 return isVisibleOrAdding() 1825 && (mViewVisibility == View.VISIBLE) 1826 && ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0) 1827 && (mAppToken == null || mAppToken.windowsAreFocusable()) 1828 && !isAdjustedForMinimizedDock(); 1829 } 1830 1831 @Override 1832 public boolean hasDrawnLw() { 1833 return mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN; 1834 } 1835 1836 @Override 1837 public boolean showLw(boolean doAnimation) { 1838 return showLw(doAnimation, true); 1839 } 1840 1841 boolean showLw(boolean doAnimation, boolean requestAnim) { 1842 if (isHiddenFromUserLocked()) { 1843 return false; 1844 } 1845 if (!mAppOpVisibility) { 1846 // Being hidden due to app op request. 1847 return false; 1848 } 1849 if (mPolicyVisibility && mPolicyVisibilityAfterAnim) { 1850 // Already showing. 1851 return false; 1852 } 1853 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility true: " + this); 1854 if (doAnimation) { 1855 if (DEBUG_VISIBILITY) Slog.v(TAG, "doAnimation: mPolicyVisibility=" 1856 + mPolicyVisibility + " mAnimation=" + mWinAnimator.mAnimation); 1857 if (!mService.okToDisplay()) { 1858 doAnimation = false; 1859 } else if (mPolicyVisibility && mWinAnimator.mAnimation == null) { 1860 // Check for the case where we are currently visible and 1861 // not animating; we do not want to do animation at such a 1862 // point to become visible when we already are. 1863 doAnimation = false; 1864 } 1865 } 1866 mPolicyVisibility = true; 1867 mPolicyVisibilityAfterAnim = true; 1868 if (doAnimation) { 1869 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_ENTER, true); 1870 } 1871 if (requestAnim) { 1872 mService.scheduleAnimationLocked(); 1873 } 1874 return true; 1875 } 1876 1877 @Override 1878 public boolean hideLw(boolean doAnimation) { 1879 return hideLw(doAnimation, true); 1880 } 1881 1882 boolean hideLw(boolean doAnimation, boolean requestAnim) { 1883 if (doAnimation) { 1884 if (!mService.okToDisplay()) { 1885 doAnimation = false; 1886 } 1887 } 1888 boolean current = doAnimation ? mPolicyVisibilityAfterAnim 1889 : mPolicyVisibility; 1890 if (!current) { 1891 // Already hiding. 1892 return false; 1893 } 1894 if (doAnimation) { 1895 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_EXIT, false); 1896 if (mWinAnimator.mAnimation == null) { 1897 doAnimation = false; 1898 } 1899 } 1900 if (doAnimation) { 1901 mPolicyVisibilityAfterAnim = false; 1902 } else { 1903 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility false: " + this); 1904 mPolicyVisibilityAfterAnim = false; 1905 mPolicyVisibility = false; 1906 // Window is no longer visible -- make sure if we were waiting 1907 // for it to be displayed before enabling the display, that 1908 // we allow the display to be enabled now. 1909 mService.enableScreenIfNeededLocked(); 1910 if (mService.mCurrentFocus == this) { 1911 if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, 1912 "WindowState.hideLw: setting mFocusMayChange true"); 1913 mService.mFocusMayChange = true; 1914 } 1915 } 1916 if (requestAnim) { 1917 mService.scheduleAnimationLocked(); 1918 } 1919 return true; 1920 } 1921 1922 public void setAppOpVisibilityLw(boolean state) { 1923 if (mAppOpVisibility != state) { 1924 mAppOpVisibility = state; 1925 if (state) { 1926 // If the policy visibility had last been to hide, then this 1927 // will incorrectly show at this point since we lost that 1928 // information. Not a big deal -- for the windows that have app 1929 // ops modifies they should only be hidden by policy due to the 1930 // lock screen, and the user won't be changing this if locked. 1931 // Plus it will quickly be fixed the next time we do a layout. 1932 showLw(true, true); 1933 } else { 1934 hideLw(true, true); 1935 } 1936 } 1937 } 1938 1939 public void pokeDrawLockLw(long timeout) { 1940 if (isVisibleOrAdding()) { 1941 if (mDrawLock == null) { 1942 // We want the tag name to be somewhat stable so that it is easier to correlate 1943 // in wake lock statistics. So in particular, we don't want to include the 1944 // window's hash code as in toString(). 1945 final CharSequence tag = getWindowTag(); 1946 mDrawLock = mService.mPowerManager.newWakeLock( 1947 PowerManager.DRAW_WAKE_LOCK, "Window:" + tag); 1948 mDrawLock.setReferenceCounted(false); 1949 mDrawLock.setWorkSource(new WorkSource(mOwnerUid, mAttrs.packageName)); 1950 } 1951 // Each call to acquire resets the timeout. 1952 if (DEBUG_POWER) { 1953 Slog.d(TAG, "pokeDrawLock: poking draw lock on behalf of visible window owned by " 1954 + mAttrs.packageName); 1955 } 1956 mDrawLock.acquire(timeout); 1957 } else if (DEBUG_POWER) { 1958 Slog.d(TAG, "pokeDrawLock: suppressed draw lock request for invisible window " 1959 + "owned by " + mAttrs.packageName); 1960 } 1961 } 1962 1963 @Override 1964 public boolean isAlive() { 1965 return mClient.asBinder().isBinderAlive(); 1966 } 1967 1968 boolean isClosing() { 1969 return mAnimatingExit || (mService.mClosingApps.contains(mAppToken)); 1970 } 1971 1972 boolean isAnimatingWithSavedSurface() { 1973 return mAnimatingWithSavedSurface; 1974 } 1975 1976 boolean isAnimatingInvisibleWithSavedSurface() { 1977 return mAnimatingWithSavedSurface 1978 && (mViewVisibility != View.VISIBLE || mWindowRemovalAllowed); 1979 } 1980 1981 public void setVisibleBeforeClientHidden() { 1982 mWasVisibleBeforeClientHidden |= 1983 (mViewVisibility == View.VISIBLE || mAnimatingWithSavedSurface); 1984 } 1985 1986 public void clearVisibleBeforeClientHidden() { 1987 mWasVisibleBeforeClientHidden = false; 1988 } 1989 1990 public boolean wasVisibleBeforeClientHidden() { 1991 return mWasVisibleBeforeClientHidden; 1992 } 1993 1994 private boolean shouldSaveSurface() { 1995 if (mWinAnimator.mSurfaceController == null) { 1996 // Don't bother if the surface controller is gone for any reason. 1997 return false; 1998 } 1999 2000 if (!mWasVisibleBeforeClientHidden) { 2001 return false; 2002 } 2003 2004 if ((mAttrs.flags & FLAG_SECURE) != 0) { 2005 // We don't save secure surfaces since their content shouldn't be shown while the app 2006 // isn't on screen and content might leak through during the transition animation with 2007 // saved surface. 2008 return false; 2009 } 2010 2011 if (ActivityManager.isLowRamDeviceStatic()) { 2012 // Don't save surfaces on Svelte devices. 2013 return false; 2014 } 2015 2016 Task task = getTask(); 2017 if (task == null || task.inHomeStack()) { 2018 // Don't save surfaces for home stack apps. These usually resume and draw 2019 // first frame very fast. Saving surfaces are mostly a waste of memory. 2020 return false; 2021 } 2022 2023 final AppWindowToken taskTop = task.getTopVisibleAppToken(); 2024 if (taskTop != null && taskTop != mAppToken) { 2025 // Don't save if the window is not the topmost window. 2026 return false; 2027 } 2028 2029 if (mResizedWhileGone) { 2030 // Somebody resized our window while we were gone for layout, which means that the 2031 // client got an old size, so we have an outdated surface here. 2032 return false; 2033 } 2034 2035 if (DEBUG_DISABLE_SAVING_SURFACES) { 2036 return false; 2037 } 2038 2039 return mAppToken.shouldSaveSurface(); 2040 } 2041 2042 static final Region sEmptyRegion = new Region(); 2043 2044 void destroyOrSaveSurface() { 2045 mSurfaceSaved = shouldSaveSurface(); 2046 if (mSurfaceSaved) { 2047 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2048 Slog.v(TAG, "Saving surface: " + this); 2049 } 2050 // Previous user of the surface may have set a transparent region signaling a portion 2051 // doesn't need to be composited, so reset to default empty state. 2052 mSession.setTransparentRegion(mClient, sEmptyRegion); 2053 2054 mWinAnimator.hide("saved surface"); 2055 mWinAnimator.mDrawState = WindowStateAnimator.NO_SURFACE; 2056 setHasSurface(false); 2057 // The client should have disconnected at this point, but if it doesn't, 2058 // we need to make sure it's disconnected. Otherwise when we reuse the surface 2059 // the client can't reconnect to the buffer queue, and rendering will fail. 2060 if (mWinAnimator.mSurfaceController != null) { 2061 mWinAnimator.mSurfaceController.disconnectInTransaction(); 2062 } 2063 mAnimatingWithSavedSurface = false; 2064 } else { 2065 mWinAnimator.destroySurfaceLocked(); 2066 } 2067 // Clear animating flags now, since the surface is now gone. (Note this is true even 2068 // if the surface is saved, to outside world the surface is still NO_SURFACE.) 2069 mAnimatingExit = false; 2070 } 2071 2072 void destroySavedSurface() { 2073 if (mSurfaceSaved) { 2074 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2075 Slog.v(TAG, "Destroying saved surface: " + this); 2076 } 2077 mWinAnimator.destroySurfaceLocked(); 2078 } 2079 mWasVisibleBeforeClientHidden = false; 2080 } 2081 2082 void restoreSavedSurface() { 2083 if (!mSurfaceSaved) { 2084 return; 2085 } 2086 mSurfaceSaved = false; 2087 if (mWinAnimator.mSurfaceController != null) { 2088 setHasSurface(true); 2089 mWinAnimator.mDrawState = WindowStateAnimator.READY_TO_SHOW; 2090 mAnimatingWithSavedSurface = true; 2091 2092 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2093 Slog.v(TAG, "Restoring saved surface: " + this); 2094 } 2095 } else { 2096 // mSurfaceController shouldn't be null if mSurfaceSaved was still true at 2097 // this point. Even if we destroyed the saved surface because of rotation 2098 // or resize, mSurfaceSaved flag should have been cleared. So this is a wtf. 2099 Slog.wtf(TAG, "Failed to restore saved surface: surface gone! " + this); 2100 } 2101 } 2102 2103 boolean canRestoreSurface() { 2104 return mWasVisibleBeforeClientHidden && mSurfaceSaved; 2105 } 2106 2107 boolean hasSavedSurface() { 2108 return mSurfaceSaved; 2109 } 2110 2111 void clearHasSavedSurface() { 2112 mSurfaceSaved = false; 2113 mAnimatingWithSavedSurface = false; 2114 mWasVisibleBeforeClientHidden = false; 2115 } 2116 2117 void clearAnimatingWithSavedSurface() { 2118 if (mAnimatingWithSavedSurface) { 2119 // App has drawn something to its windows, we're no longer animating with 2120 // the saved surfaces. 2121 if (DEBUG_ANIM) Slog.d(TAG, 2122 "clearAnimatingWithSavedSurface(): win=" + this); 2123 mAnimatingWithSavedSurface = false; 2124 } 2125 } 2126 2127 @Override 2128 public boolean isDefaultDisplay() { 2129 final DisplayContent displayContent = getDisplayContent(); 2130 if (displayContent == null) { 2131 // Only a window that was on a non-default display can be detached from it. 2132 return false; 2133 } 2134 return displayContent.isDefaultDisplay; 2135 } 2136 2137 @Override 2138 public boolean isDimming() { 2139 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 2140 return dimLayerUser != null && mDisplayContent != null && 2141 mDisplayContent.mDimLayerController.isDimming(dimLayerUser, mWinAnimator); 2142 } 2143 2144 public void setShowToOwnerOnlyLocked(boolean showToOwnerOnly) { 2145 mShowToOwnerOnly = showToOwnerOnly; 2146 } 2147 2148 boolean isHiddenFromUserLocked() { 2149 // Attached windows are evaluated based on the window that they are attached to. 2150 WindowState win = this; 2151 while (win.isChildWindow()) { 2152 win = win.mAttachedWindow; 2153 } 2154 if (win.mAttrs.type < WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW 2155 && win.mAppToken != null && win.mAppToken.showForAllUsers) { 2156 2157 // All window frames that are fullscreen extend above status bar, but some don't extend 2158 // below navigation bar. Thus, check for display frame for top/left and stable frame for 2159 // bottom right. 2160 if (win.mFrame.left <= win.mDisplayFrame.left 2161 && win.mFrame.top <= win.mDisplayFrame.top 2162 && win.mFrame.right >= win.mStableFrame.right 2163 && win.mFrame.bottom >= win.mStableFrame.bottom) { 2164 // Is a fullscreen window, like the clock alarm. Show to everyone. 2165 return false; 2166 } 2167 } 2168 2169 return win.mShowToOwnerOnly 2170 && !mService.isCurrentProfileLocked(UserHandle.getUserId(win.mOwnerUid)); 2171 } 2172 2173 private static void applyInsets(Region outRegion, Rect frame, Rect inset) { 2174 outRegion.set( 2175 frame.left + inset.left, frame.top + inset.top, 2176 frame.right - inset.right, frame.bottom - inset.bottom); 2177 } 2178 2179 void getTouchableRegion(Region outRegion) { 2180 final Rect frame = mFrame; 2181 switch (mTouchableInsets) { 2182 default: 2183 case TOUCHABLE_INSETS_FRAME: 2184 outRegion.set(frame); 2185 break; 2186 case TOUCHABLE_INSETS_CONTENT: 2187 applyInsets(outRegion, frame, mGivenContentInsets); 2188 break; 2189 case TOUCHABLE_INSETS_VISIBLE: 2190 applyInsets(outRegion, frame, mGivenVisibleInsets); 2191 break; 2192 case TOUCHABLE_INSETS_REGION: { 2193 final Region givenTouchableRegion = mGivenTouchableRegion; 2194 outRegion.set(givenTouchableRegion); 2195 outRegion.translate(frame.left, frame.top); 2196 break; 2197 } 2198 } 2199 cropRegionToStackBoundsIfNeeded(outRegion); 2200 } 2201 2202 void cropRegionToStackBoundsIfNeeded(Region region) { 2203 final Task task = getTask(); 2204 if (task == null || !task.cropWindowsToStackBounds()) { 2205 return; 2206 } 2207 2208 final TaskStack stack = task.mStack; 2209 if (stack == null) { 2210 return; 2211 } 2212 2213 stack.getDimBounds(mTmpRect); 2214 region.op(mTmpRect, Region.Op.INTERSECT); 2215 } 2216 2217 WindowList getWindowList() { 2218 final DisplayContent displayContent = getDisplayContent(); 2219 return displayContent == null ? null : displayContent.getWindowList(); 2220 } 2221 2222 /** 2223 * Report a focus change. Must be called with no locks held, and consistently 2224 * from the same serialized thread (such as dispatched from a handler). 2225 */ 2226 public void reportFocusChangedSerialized(boolean focused, boolean inTouchMode) { 2227 try { 2228 mClient.windowFocusChanged(focused, inTouchMode); 2229 } catch (RemoteException e) { 2230 } 2231 if (mFocusCallbacks != null) { 2232 final int N = mFocusCallbacks.beginBroadcast(); 2233 for (int i=0; i<N; i++) { 2234 IWindowFocusObserver obs = mFocusCallbacks.getBroadcastItem(i); 2235 try { 2236 if (focused) { 2237 obs.focusGained(mWindowId.asBinder()); 2238 } else { 2239 obs.focusLost(mWindowId.asBinder()); 2240 } 2241 } catch (RemoteException e) { 2242 } 2243 } 2244 mFocusCallbacks.finishBroadcast(); 2245 } 2246 } 2247 2248 /** 2249 * Update our current configurations, based on task configuration. 2250 * 2251 * @return A configuration suitable for sending to the client. 2252 */ 2253 private Configuration updateConfiguration() { 2254 final boolean configChanged = isConfigChanged(); 2255 getMergedConfig(mMergedConfiguration); 2256 mConfigHasChanged = false; 2257 if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION) && configChanged) { 2258 Slog.i(TAG, "Sending new config to window " + this + ": " + 2259 " / mergedConfig=" + mMergedConfiguration); 2260 } 2261 return mMergedConfiguration; 2262 } 2263 2264 private void getMergedConfig(Configuration outConfig) { 2265 if (mAppToken != null && mAppToken.mFrozenMergedConfig.size() > 0) { 2266 outConfig.setTo(mAppToken.mFrozenMergedConfig.peek()); 2267 return; 2268 } 2269 final Task task = getTask(); 2270 final Configuration overrideConfig = task != null 2271 ? task.mOverrideConfig 2272 : Configuration.EMPTY; 2273 final Configuration serviceConfig = mService.mCurConfiguration; 2274 outConfig.setTo(serviceConfig); 2275 if (overrideConfig != Configuration.EMPTY) { 2276 outConfig.updateFrom(overrideConfig); 2277 } 2278 } 2279 2280 void reportResized() { 2281 Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "wm.reportResized_" + getWindowTag()); 2282 try { 2283 if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG, "Reporting new frame to " + this 2284 + ": " + mCompatFrame); 2285 final Configuration newConfig = isConfigChanged() ? updateConfiguration() : null; 2286 if (DEBUG_ORIENTATION && mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING) 2287 Slog.i(TAG, "Resizing " + this + " WITH DRAW PENDING"); 2288 2289 final Rect frame = mFrame; 2290 final Rect overscanInsets = mLastOverscanInsets; 2291 final Rect contentInsets = mLastContentInsets; 2292 final Rect visibleInsets = mLastVisibleInsets; 2293 final Rect stableInsets = mLastStableInsets; 2294 final Rect outsets = mLastOutsets; 2295 final boolean reportDraw = mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING; 2296 if (mAttrs.type != WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 2297 && mClient instanceof IWindow.Stub) { 2298 // To prevent deadlock simulate one-way call if win.mClient is a local object. 2299 mService.mH.post(new Runnable() { 2300 @Override 2301 public void run() { 2302 try { 2303 dispatchResized(frame, overscanInsets, contentInsets, visibleInsets, 2304 stableInsets, outsets, reportDraw, newConfig); 2305 } catch (RemoteException e) { 2306 // Not a remote call, RemoteException won't be raised. 2307 } 2308 } 2309 }); 2310 } else { 2311 dispatchResized(frame, overscanInsets, contentInsets, visibleInsets, stableInsets, 2312 outsets, reportDraw, newConfig); 2313 } 2314 2315 //TODO (multidisplay): Accessibility supported only for the default display. 2316 if (mService.mAccessibilityController != null 2317 && getDisplayId() == Display.DEFAULT_DISPLAY) { 2318 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 2319 } 2320 2321 mOverscanInsetsChanged = false; 2322 mContentInsetsChanged = false; 2323 mVisibleInsetsChanged = false; 2324 mStableInsetsChanged = false; 2325 mOutsetsChanged = false; 2326 mResizedWhileNotDragResizingReported = true; 2327 mWinAnimator.mSurfaceResized = false; 2328 } catch (RemoteException e) { 2329 mOrientationChanging = false; 2330 mLastFreezeDuration = (int)(SystemClock.elapsedRealtime() 2331 - mService.mDisplayFreezeTime); 2332 // We are assuming the hosting process is dead or in a zombie state. 2333 Slog.w(TAG, "Failed to report 'resized' to the client of " + this 2334 + ", removing this window."); 2335 mService.mPendingRemove.add(this); 2336 mService.mWindowPlacerLocked.requestTraversal(); 2337 } 2338 Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); 2339 } 2340 2341 Rect getBackdropFrame(Rect frame) { 2342 // When the task is docked, we send fullscreen sized backDropFrame as soon as resizing 2343 // start even if we haven't received the relayout window, so that the client requests 2344 // the relayout sooner. When dragging stops, backDropFrame needs to stay fullscreen 2345 // until the window to small size, otherwise the multithread renderer will shift last 2346 // one or more frame to wrong offset. So here we send fullscreen backdrop if either 2347 // isDragResizing() or isDragResizeChanged() is true. 2348 boolean resizing = isDragResizing() || isDragResizeChanged(); 2349 if (StackId.useWindowFrameForBackdrop(getStackId()) || !resizing) { 2350 return frame; 2351 } 2352 DisplayInfo displayInfo = getDisplayInfo(); 2353 mTmpRect.set(0, 0, displayInfo.logicalWidth, displayInfo.logicalHeight); 2354 return mTmpRect; 2355 } 2356 2357 @Override 2358 public int getStackId() { 2359 final TaskStack stack = getStack(); 2360 if (stack == null) { 2361 return INVALID_STACK_ID; 2362 } 2363 return stack.mStackId; 2364 } 2365 2366 private void dispatchResized(Rect frame, Rect overscanInsets, Rect contentInsets, 2367 Rect visibleInsets, Rect stableInsets, Rect outsets, boolean reportDraw, 2368 Configuration newConfig) throws RemoteException { 2369 final boolean forceRelayout = isDragResizeChanged() || mResizedWhileNotDragResizing; 2370 2371 mClient.resized(frame, overscanInsets, contentInsets, visibleInsets, stableInsets, outsets, 2372 reportDraw, newConfig, getBackdropFrame(frame), 2373 forceRelayout, mPolicy.isNavBarForcedShownLw(this)); 2374 mDragResizingChangeReported = true; 2375 } 2376 2377 public void registerFocusObserver(IWindowFocusObserver observer) { 2378 synchronized(mService.mWindowMap) { 2379 if (mFocusCallbacks == null) { 2380 mFocusCallbacks = new RemoteCallbackList<IWindowFocusObserver>(); 2381 } 2382 mFocusCallbacks.register(observer); 2383 } 2384 } 2385 2386 public void unregisterFocusObserver(IWindowFocusObserver observer) { 2387 synchronized(mService.mWindowMap) { 2388 if (mFocusCallbacks != null) { 2389 mFocusCallbacks.unregister(observer); 2390 } 2391 } 2392 } 2393 2394 public boolean isFocused() { 2395 synchronized(mService.mWindowMap) { 2396 return mService.mCurrentFocus == this; 2397 } 2398 } 2399 2400 boolean inFreeformWorkspace() { 2401 final Task task = getTask(); 2402 return task != null && task.inFreeformWorkspace(); 2403 } 2404 2405 @Override 2406 public boolean isInMultiWindowMode() { 2407 final Task task = getTask(); 2408 return task != null && !task.isFullscreen(); 2409 } 2410 2411 boolean isDragResizeChanged() { 2412 return mDragResizing != computeDragResizing(); 2413 } 2414 2415 /** 2416 * @return Whether we reported a drag resize change to the application or not already. 2417 */ 2418 boolean isDragResizingChangeReported() { 2419 return mDragResizingChangeReported; 2420 } 2421 2422 /** 2423 * Resets the state whether we reported a drag resize change to the app. 2424 */ 2425 void resetDragResizingChangeReported() { 2426 mDragResizingChangeReported = false; 2427 } 2428 2429 /** 2430 * Set whether we got resized but drag resizing flag was false. 2431 * @see #isResizedWhileNotDragResizing(). 2432 */ 2433 void setResizedWhileNotDragResizing(boolean resizedWhileNotDragResizing) { 2434 mResizedWhileNotDragResizing = resizedWhileNotDragResizing; 2435 mResizedWhileNotDragResizingReported = !resizedWhileNotDragResizing; 2436 } 2437 2438 /** 2439 * Indicates whether we got resized but drag resizing flag was false. In this case, we also 2440 * need to recreate the surface and defer surface bound updates in order to make sure the 2441 * buffer contents and the positioning/size stay in sync. 2442 */ 2443 boolean isResizedWhileNotDragResizing() { 2444 return mResizedWhileNotDragResizing; 2445 } 2446 2447 /** 2448 * @return Whether we reported "resize while not drag resizing" to the application. 2449 * @see #isResizedWhileNotDragResizing() 2450 */ 2451 boolean isResizedWhileNotDragResizingReported() { 2452 return mResizedWhileNotDragResizingReported; 2453 } 2454 2455 int getResizeMode() { 2456 return mResizeMode; 2457 } 2458 2459 boolean computeDragResizing() { 2460 final Task task = getTask(); 2461 if (task == null) { 2462 return false; 2463 } 2464 if (mAttrs.width != MATCH_PARENT || mAttrs.height != MATCH_PARENT) { 2465 2466 // Floating windows never enter drag resize mode. 2467 return false; 2468 } 2469 if (task.isDragResizing()) { 2470 return true; 2471 } 2472 2473 // If the bounds are currently frozen, it means that the layout size that the app sees 2474 // and the bounds we clip this window to might be different. In order to avoid holes, we 2475 // simulate that we are still resizing so the app fills the hole with the resizing 2476 // background. 2477 return (mDisplayContent.mDividerControllerLocked.isResizing() 2478 || mAppToken != null && !mAppToken.mFrozenBounds.isEmpty()) && 2479 !task.inFreeformWorkspace() && !isGoneForLayoutLw(); 2480 2481 } 2482 2483 void setDragResizing() { 2484 final boolean resizing = computeDragResizing(); 2485 if (resizing == mDragResizing) { 2486 return; 2487 } 2488 mDragResizing = resizing; 2489 final Task task = getTask(); 2490 if (task != null && task.isDragResizing()) { 2491 mResizeMode = task.getDragResizeMode(); 2492 } else { 2493 mResizeMode = mDragResizing && mDisplayContent.mDividerControllerLocked.isResizing() 2494 ? DRAG_RESIZE_MODE_DOCKED_DIVIDER 2495 : DRAG_RESIZE_MODE_FREEFORM; 2496 } 2497 } 2498 2499 boolean isDragResizing() { 2500 return mDragResizing; 2501 } 2502 2503 boolean isDockedResizing() { 2504 return mDragResizing && getResizeMode() == DRAG_RESIZE_MODE_DOCKED_DIVIDER; 2505 } 2506 2507 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 2508 final TaskStack stack = getStack(); 2509 pw.print(prefix); pw.print("mDisplayId="); pw.print(getDisplayId()); 2510 if (stack != null) { 2511 pw.print(" stackId="); pw.print(stack.mStackId); 2512 } 2513 if (mNotOnAppsDisplay) { 2514 pw.print(" mNotOnAppsDisplay="); pw.print(mNotOnAppsDisplay); 2515 } 2516 pw.print(" mSession="); pw.print(mSession); 2517 pw.print(" mClient="); pw.println(mClient.asBinder()); 2518 pw.print(prefix); pw.print("mOwnerUid="); pw.print(mOwnerUid); 2519 pw.print(" mShowToOwnerOnly="); pw.print(mShowToOwnerOnly); 2520 pw.print(" package="); pw.print(mAttrs.packageName); 2521 pw.print(" appop="); pw.println(AppOpsManager.opToName(mAppOp)); 2522 pw.print(prefix); pw.print("mAttrs="); pw.println(mAttrs); 2523 pw.print(prefix); pw.print("Requested w="); pw.print(mRequestedWidth); 2524 pw.print(" h="); pw.print(mRequestedHeight); 2525 pw.print(" mLayoutSeq="); pw.println(mLayoutSeq); 2526 if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) { 2527 pw.print(prefix); pw.print("LastRequested w="); pw.print(mLastRequestedWidth); 2528 pw.print(" h="); pw.println(mLastRequestedHeight); 2529 } 2530 if (isChildWindow() || mLayoutAttached) { 2531 pw.print(prefix); pw.print("mAttachedWindow="); pw.print(mAttachedWindow); 2532 pw.print(" mLayoutAttached="); pw.println(mLayoutAttached); 2533 } 2534 if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) { 2535 pw.print(prefix); pw.print("mIsImWindow="); pw.print(mIsImWindow); 2536 pw.print(" mIsWallpaper="); pw.print(mIsWallpaper); 2537 pw.print(" mIsFloatingLayer="); pw.print(mIsFloatingLayer); 2538 pw.print(" mWallpaperVisible="); pw.println(mWallpaperVisible); 2539 } 2540 if (dumpAll) { 2541 pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer); 2542 pw.print(" mSubLayer="); pw.print(mSubLayer); 2543 pw.print(" mAnimLayer="); pw.print(mLayer); pw.print("+"); 2544 pw.print((mTargetAppToken != null ? 2545 mTargetAppToken.mAppAnimator.animLayerAdjustment 2546 : (mAppToken != null ? mAppToken.mAppAnimator.animLayerAdjustment : 0))); 2547 pw.print("="); pw.print(mWinAnimator.mAnimLayer); 2548 pw.print(" mLastLayer="); pw.println(mWinAnimator.mLastLayer); 2549 } 2550 if (dumpAll) { 2551 pw.print(prefix); pw.print("mToken="); pw.println(mToken); 2552 pw.print(prefix); pw.print("mRootToken="); pw.println(mRootToken); 2553 if (mAppToken != null) { 2554 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 2555 pw.print(prefix); pw.print(" isAnimatingWithSavedSurface()="); 2556 pw.print(isAnimatingWithSavedSurface()); 2557 pw.print(" mAppDied=");pw.println(mAppDied); 2558 } 2559 if (mTargetAppToken != null) { 2560 pw.print(prefix); pw.print("mTargetAppToken="); pw.println(mTargetAppToken); 2561 } 2562 pw.print(prefix); pw.print("mViewVisibility=0x"); 2563 pw.print(Integer.toHexString(mViewVisibility)); 2564 pw.print(" mHaveFrame="); pw.print(mHaveFrame); 2565 pw.print(" mObscured="); pw.println(mObscured); 2566 pw.print(prefix); pw.print("mSeq="); pw.print(mSeq); 2567 pw.print(" mSystemUiVisibility=0x"); 2568 pw.println(Integer.toHexString(mSystemUiVisibility)); 2569 } 2570 if (!mPolicyVisibility || !mPolicyVisibilityAfterAnim || !mAppOpVisibility 2571 || mAttachedHidden) { 2572 pw.print(prefix); pw.print("mPolicyVisibility="); 2573 pw.print(mPolicyVisibility); 2574 pw.print(" mPolicyVisibilityAfterAnim="); 2575 pw.print(mPolicyVisibilityAfterAnim); 2576 pw.print(" mAppOpVisibility="); 2577 pw.print(mAppOpVisibility); 2578 pw.print(" mAttachedHidden="); pw.println(mAttachedHidden); 2579 } 2580 if (!mRelayoutCalled || mLayoutNeeded) { 2581 pw.print(prefix); pw.print("mRelayoutCalled="); pw.print(mRelayoutCalled); 2582 pw.print(" mLayoutNeeded="); pw.println(mLayoutNeeded); 2583 } 2584 if (mXOffset != 0 || mYOffset != 0) { 2585 pw.print(prefix); pw.print("Offsets x="); pw.print(mXOffset); 2586 pw.print(" y="); pw.println(mYOffset); 2587 } 2588 if (dumpAll) { 2589 pw.print(prefix); pw.print("mGivenContentInsets="); 2590 mGivenContentInsets.printShortString(pw); 2591 pw.print(" mGivenVisibleInsets="); 2592 mGivenVisibleInsets.printShortString(pw); 2593 pw.println(); 2594 if (mTouchableInsets != 0 || mGivenInsetsPending) { 2595 pw.print(prefix); pw.print("mTouchableInsets="); pw.print(mTouchableInsets); 2596 pw.print(" mGivenInsetsPending="); pw.println(mGivenInsetsPending); 2597 Region region = new Region(); 2598 getTouchableRegion(region); 2599 pw.print(prefix); pw.print("touchable region="); pw.println(region); 2600 } 2601 pw.print(prefix); pw.print("mMergedConfiguration="); pw.println(mMergedConfiguration); 2602 } 2603 pw.print(prefix); pw.print("mHasSurface="); pw.print(mHasSurface); 2604 pw.print(" mShownPosition="); mShownPosition.printShortString(pw); 2605 pw.print(" isReadyForDisplay()="); pw.print(isReadyForDisplay()); 2606 pw.print(" hasSavedSurface()="); pw.print(hasSavedSurface()); 2607 pw.print(" mWindowRemovalAllowed="); pw.println(mWindowRemovalAllowed); 2608 if (dumpAll) { 2609 pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw); 2610 pw.print(" last="); mLastFrame.printShortString(pw); 2611 pw.println(); 2612 } 2613 if (mEnforceSizeCompat) { 2614 pw.print(prefix); pw.print("mCompatFrame="); mCompatFrame.printShortString(pw); 2615 pw.println(); 2616 } 2617 if (dumpAll) { 2618 pw.print(prefix); pw.print("Frames: containing="); 2619 mContainingFrame.printShortString(pw); 2620 pw.print(" parent="); mParentFrame.printShortString(pw); 2621 pw.println(); 2622 pw.print(prefix); pw.print(" display="); mDisplayFrame.printShortString(pw); 2623 pw.print(" overscan="); mOverscanFrame.printShortString(pw); 2624 pw.println(); 2625 pw.print(prefix); pw.print(" content="); mContentFrame.printShortString(pw); 2626 pw.print(" visible="); mVisibleFrame.printShortString(pw); 2627 pw.println(); 2628 pw.print(prefix); pw.print(" decor="); mDecorFrame.printShortString(pw); 2629 pw.println(); 2630 pw.print(prefix); pw.print(" outset="); mOutsetFrame.printShortString(pw); 2631 pw.println(); 2632 pw.print(prefix); pw.print("Cur insets: overscan="); 2633 mOverscanInsets.printShortString(pw); 2634 pw.print(" content="); mContentInsets.printShortString(pw); 2635 pw.print(" visible="); mVisibleInsets.printShortString(pw); 2636 pw.print(" stable="); mStableInsets.printShortString(pw); 2637 pw.print(" surface="); mAttrs.surfaceInsets.printShortString(pw); 2638 pw.print(" outsets="); mOutsets.printShortString(pw); 2639 pw.println(); 2640 pw.print(prefix); pw.print("Lst insets: overscan="); 2641 mLastOverscanInsets.printShortString(pw); 2642 pw.print(" content="); mLastContentInsets.printShortString(pw); 2643 pw.print(" visible="); mLastVisibleInsets.printShortString(pw); 2644 pw.print(" stable="); mLastStableInsets.printShortString(pw); 2645 pw.print(" physical="); mLastOutsets.printShortString(pw); 2646 pw.print(" outset="); mLastOutsets.printShortString(pw); 2647 pw.println(); 2648 } 2649 pw.print(prefix); pw.print(mWinAnimator); pw.println(":"); 2650 mWinAnimator.dump(pw, prefix + " ", dumpAll); 2651 if (mAnimatingExit || mRemoveOnExit || mDestroying || mRemoved) { 2652 pw.print(prefix); pw.print("mAnimatingExit="); pw.print(mAnimatingExit); 2653 pw.print(" mRemoveOnExit="); pw.print(mRemoveOnExit); 2654 pw.print(" mDestroying="); pw.print(mDestroying); 2655 pw.print(" mRemoved="); pw.println(mRemoved); 2656 } 2657 if (mOrientationChanging || mAppFreezing || mTurnOnScreen) { 2658 pw.print(prefix); pw.print("mOrientationChanging="); 2659 pw.print(mOrientationChanging); 2660 pw.print(" mAppFreezing="); pw.print(mAppFreezing); 2661 pw.print(" mTurnOnScreen="); pw.println(mTurnOnScreen); 2662 } 2663 if (mLastFreezeDuration != 0) { 2664 pw.print(prefix); pw.print("mLastFreezeDuration="); 2665 TimeUtils.formatDuration(mLastFreezeDuration, pw); pw.println(); 2666 } 2667 if (mHScale != 1 || mVScale != 1) { 2668 pw.print(prefix); pw.print("mHScale="); pw.print(mHScale); 2669 pw.print(" mVScale="); pw.println(mVScale); 2670 } 2671 if (mWallpaperX != -1 || mWallpaperY != -1) { 2672 pw.print(prefix); pw.print("mWallpaperX="); pw.print(mWallpaperX); 2673 pw.print(" mWallpaperY="); pw.println(mWallpaperY); 2674 } 2675 if (mWallpaperXStep != -1 || mWallpaperYStep != -1) { 2676 pw.print(prefix); pw.print("mWallpaperXStep="); pw.print(mWallpaperXStep); 2677 pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep); 2678 } 2679 if (mWallpaperDisplayOffsetX != Integer.MIN_VALUE 2680 || mWallpaperDisplayOffsetY != Integer.MIN_VALUE) { 2681 pw.print(prefix); pw.print("mWallpaperDisplayOffsetX="); 2682 pw.print(mWallpaperDisplayOffsetX); 2683 pw.print(" mWallpaperDisplayOffsetY="); 2684 pw.println(mWallpaperDisplayOffsetY); 2685 } 2686 if (mDrawLock != null) { 2687 pw.print(prefix); pw.println("mDrawLock=" + mDrawLock); 2688 } 2689 if (isDragResizing()) { 2690 pw.print(prefix); pw.println("isDragResizing=" + isDragResizing()); 2691 } 2692 if (computeDragResizing()) { 2693 pw.print(prefix); pw.println("computeDragResizing=" + computeDragResizing()); 2694 } 2695 } 2696 2697 String makeInputChannelName() { 2698 return Integer.toHexString(System.identityHashCode(this)) 2699 + " " + getWindowTag(); 2700 } 2701 2702 CharSequence getWindowTag() { 2703 CharSequence tag = mAttrs.getTitle(); 2704 if (tag == null || tag.length() <= 0) { 2705 tag = mAttrs.packageName; 2706 } 2707 return tag; 2708 } 2709 2710 @Override 2711 public String toString() { 2712 final CharSequence title = getWindowTag(); 2713 if (mStringNameCache == null || mLastTitle != title || mWasExiting != mAnimatingExit) { 2714 mLastTitle = title; 2715 mWasExiting = mAnimatingExit; 2716 mStringNameCache = "Window{" + Integer.toHexString(System.identityHashCode(this)) 2717 + " u" + UserHandle.getUserId(mSession.mUid) 2718 + " " + mLastTitle + (mAnimatingExit ? " EXITING}" : "}"); 2719 } 2720 return mStringNameCache; 2721 } 2722 2723 void transformFromScreenToSurfaceSpace(Rect rect) { 2724 if (mHScale >= 0) { 2725 rect.left = (int) (rect.left / mHScale); 2726 rect.right = (int) (rect.right / mHScale); 2727 } 2728 if (mVScale >= 0) { 2729 rect.top = (int) (rect.top / mVScale); 2730 rect.bottom = (int) (rect.bottom / mVScale); 2731 } 2732 } 2733 2734 void applyGravityAndUpdateFrame(Rect containingFrame, Rect displayFrame) { 2735 final int pw = containingFrame.width(); 2736 final int ph = containingFrame.height(); 2737 final Task task = getTask(); 2738 final boolean nonFullscreenTask = isInMultiWindowMode(); 2739 final boolean noLimits = (mAttrs.flags & FLAG_LAYOUT_NO_LIMITS) != 0; 2740 2741 // We need to fit it to the display if either 2742 // a) The task is fullscreen, or we don't have a task (we assume fullscreen for the taskless 2743 // windows) 2744 // b) If it's a child window, we also need to fit it to the display unless 2745 // FLAG_LAYOUT_NO_LIMITS is set. This is so we place Popup and similar windows on screen, 2746 // but SurfaceViews want to be always at a specific location so we don't fit it to the 2747 // display. 2748 final boolean fitToDisplay = (task == null || !nonFullscreenTask) 2749 || (isChildWindow() && !noLimits); 2750 float x, y; 2751 int w,h; 2752 2753 if ((mAttrs.flags & FLAG_SCALED) != 0) { 2754 if (mAttrs.width < 0) { 2755 w = pw; 2756 } else if (mEnforceSizeCompat) { 2757 w = (int)(mAttrs.width * mGlobalScale + .5f); 2758 } else { 2759 w = mAttrs.width; 2760 } 2761 if (mAttrs.height < 0) { 2762 h = ph; 2763 } else if (mEnforceSizeCompat) { 2764 h = (int)(mAttrs.height * mGlobalScale + .5f); 2765 } else { 2766 h = mAttrs.height; 2767 } 2768 } else { 2769 if (mAttrs.width == MATCH_PARENT) { 2770 w = pw; 2771 } else if (mEnforceSizeCompat) { 2772 w = (int)(mRequestedWidth * mGlobalScale + .5f); 2773 } else { 2774 w = mRequestedWidth; 2775 } 2776 if (mAttrs.height == MATCH_PARENT) { 2777 h = ph; 2778 } else if (mEnforceSizeCompat) { 2779 h = (int)(mRequestedHeight * mGlobalScale + .5f); 2780 } else { 2781 h = mRequestedHeight; 2782 } 2783 } 2784 2785 if (mEnforceSizeCompat) { 2786 x = mAttrs.x * mGlobalScale; 2787 y = mAttrs.y * mGlobalScale; 2788 } else { 2789 x = mAttrs.x; 2790 y = mAttrs.y; 2791 } 2792 2793 if (nonFullscreenTask && !layoutInParentFrame()) { 2794 // Make sure window fits in containing frame since it is in a non-fullscreen task as 2795 // required by {@link Gravity#apply} call. 2796 w = Math.min(w, pw); 2797 h = Math.min(h, ph); 2798 } 2799 2800 // Set mFrame 2801 Gravity.apply(mAttrs.gravity, w, h, containingFrame, 2802 (int) (x + mAttrs.horizontalMargin * pw), 2803 (int) (y + mAttrs.verticalMargin * ph), mFrame); 2804 2805 // Now make sure the window fits in the overall display frame. 2806 if (fitToDisplay) { 2807 Gravity.applyDisplay(mAttrs.gravity, displayFrame, mFrame); 2808 } 2809 2810 // We need to make sure we update the CompatFrame as it is used for 2811 // cropping decisions, etc, on systems where we lack a decor layer. 2812 mCompatFrame.set(mFrame); 2813 if (mEnforceSizeCompat) { 2814 // See comparable block in computeFrameLw. 2815 mCompatFrame.scale(mInvGlobalScale); 2816 } 2817 } 2818 2819 boolean isChildWindow() { 2820 return mAttachedWindow != null; 2821 } 2822 2823 boolean layoutInParentFrame() { 2824 return isChildWindow() && (mAttrs.privateFlags & PRIVATE_FLAG_LAYOUT_CHILD_WINDOW_IN_PARENT_FRAME) != 0; 2825 } 2826 2827 void setReplacing(boolean animate) { 2828 if ((mAttrs.privateFlags & PRIVATE_FLAG_WILL_NOT_REPLACE_ON_RELAUNCH) != 0 2829 || mAttrs.type == TYPE_APPLICATION_STARTING) { 2830 // We don't set replacing on starting windows since they are added by window manager and 2831 // not the client so won't be replaced by the client. 2832 return; 2833 } 2834 2835 mWillReplaceWindow = true; 2836 mReplacingWindow = null; 2837 mAnimateReplacingWindow = animate; 2838 } 2839 2840 void resetReplacing() { 2841 mWillReplaceWindow = false; 2842 mReplacingWindow = null; 2843 mAnimateReplacingWindow = false; 2844 } 2845 2846 void requestUpdateWallpaperIfNeeded() { 2847 if (mDisplayContent != null && (mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0) { 2848 mDisplayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER; 2849 mDisplayContent.layoutNeeded = true; 2850 mService.mWindowPlacerLocked.requestTraversal(); 2851 } 2852 } 2853 2854 float translateToWindowX(float x) { 2855 float winX = x - mFrame.left; 2856 if (mEnforceSizeCompat) { 2857 winX *= mGlobalScale; 2858 } 2859 return winX; 2860 } 2861 2862 float translateToWindowY(float y) { 2863 float winY = y - mFrame.top; 2864 if (mEnforceSizeCompat) { 2865 winY *= mGlobalScale; 2866 } 2867 return winY; 2868 } 2869 2870 void transferDimToReplacement() { 2871 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 2872 if (dimLayerUser != null && mDisplayContent != null) { 2873 mDisplayContent.mDimLayerController.applyDim(dimLayerUser, 2874 mReplacingWindow.mWinAnimator, 2875 (mAttrs.flags & FLAG_DIM_BEHIND) != 0 ? true : false); 2876 } 2877 } 2878 2879 // During activity relaunch due to resize, we sometimes use window replacement 2880 // for only child windows (as the main window is handled by window preservation) 2881 // and the big surface. 2882 // 2883 // Though windows of TYPE_APPLICATION (as opposed to TYPE_BASE_APPLICATION) 2884 // are not children in the sense of an attached window, we also want to replace 2885 // them at such phases, as they won't be covered by window preservation, 2886 // and in general we expect them to return following relaunch. 2887 boolean shouldBeReplacedWithChildren() { 2888 return isChildWindow() || mAttrs.type == TYPE_APPLICATION; 2889 } 2890} 2891