WindowState.java revision 9214704eac0af4b0d138a195bcea6fecef523ea5
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 Configuration mConfiguration = Configuration.EMPTY; 194 private Configuration mOverrideConfig = Configuration.EMPTY; 195 // Represents the changes from our override configuration applied 196 // to the global configuration. This is the only form of configuration 197 // which is suitable for delivery to the client. 198 private Configuration mMergedConfiguration = new Configuration(); 199 // Sticky answer to isConfigChanged(), remains true until new Configuration is assigned. 200 // Used only on {@link #TYPE_KEYGUARD}. 201 private boolean mConfigHasChanged; 202 203 /** 204 * Actual position of the surface shown on-screen (may be modified by animation). These are 205 * in the screen's coordinate space (WITH the compatibility scale applied). 206 */ 207 final Point mShownPosition = new Point(); 208 209 /** 210 * Insets that determine the actually visible area. These are in the application's 211 * coordinate space (without compatibility scale applied). 212 */ 213 final Rect mVisibleInsets = new Rect(); 214 final Rect mLastVisibleInsets = new Rect(); 215 boolean mVisibleInsetsChanged; 216 217 /** 218 * Insets that are covered by system windows (such as the status bar) and 219 * transient docking windows (such as the IME). These are in the application's 220 * coordinate space (without compatibility scale applied). 221 */ 222 final Rect mContentInsets = new Rect(); 223 final Rect mLastContentInsets = new Rect(); 224 boolean mContentInsetsChanged; 225 226 /** 227 * Insets that determine the area covered by the display overscan region. These are in the 228 * application's coordinate space (without compatibility scale applied). 229 */ 230 final Rect mOverscanInsets = new Rect(); 231 final Rect mLastOverscanInsets = new Rect(); 232 boolean mOverscanInsetsChanged; 233 234 /** 235 * Insets that determine the area covered by the stable system windows. These are in the 236 * application's coordinate space (without compatibility scale applied). 237 */ 238 final Rect mStableInsets = new Rect(); 239 final Rect mLastStableInsets = new Rect(); 240 boolean mStableInsetsChanged; 241 242 /** 243 * Outsets determine the area outside of the surface where we want to pretend that it's possible 244 * to draw anyway. 245 */ 246 final Rect mOutsets = new Rect(); 247 final Rect mLastOutsets = new Rect(); 248 boolean mOutsetsChanged = false; 249 250 /** 251 * Set to true if we are waiting for this window to receive its 252 * given internal insets before laying out other windows based on it. 253 */ 254 boolean mGivenInsetsPending; 255 256 /** 257 * These are the content insets that were given during layout for 258 * this window, to be applied to windows behind it. 259 */ 260 final Rect mGivenContentInsets = new Rect(); 261 262 /** 263 * These are the visible insets that were given during layout for 264 * this window, to be applied to windows behind it. 265 */ 266 final Rect mGivenVisibleInsets = new Rect(); 267 268 /** 269 * This is the given touchable area relative to the window frame, or null if none. 270 */ 271 final Region mGivenTouchableRegion = new Region(); 272 273 /** 274 * Flag indicating whether the touchable region should be adjusted by 275 * the visible insets; if false the area outside the visible insets is 276 * NOT touchable, so we must use those to adjust the frame during hit 277 * tests. 278 */ 279 int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME; 280 281 // Current transformation being applied. 282 float mGlobalScale=1; 283 float mInvGlobalScale=1; 284 float mHScale=1, mVScale=1; 285 float mLastHScale=1, mLastVScale=1; 286 final Matrix mTmpMatrix = new Matrix(); 287 288 // "Real" frame that the application sees, in display coordinate space. 289 final Rect mFrame = new Rect(); 290 final Rect mLastFrame = new Rect(); 291 // Frame that is scaled to the application's coordinate space when in 292 // screen size compatibility mode. 293 final Rect mCompatFrame = new Rect(); 294 295 final Rect mContainingFrame = new Rect(); 296 297 final Rect mParentFrame = new Rect(); 298 299 // The entire screen area of the {@link TaskStack} this window is in. Usually equal to the 300 // screen area of the device. 301 final Rect mDisplayFrame = new Rect(); 302 303 // The region of the display frame that the display type supports displaying content on. This 304 // is mostly a special case for TV where some displays don’t have the entire display usable. 305 // {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_OVERSCAN} flag can be used to allow 306 // window display contents to extend into the overscan region. 307 final Rect mOverscanFrame = new Rect(); 308 309 // The display frame minus the stable insets. This value is always constant regardless of if 310 // the status bar or navigation bar is visible. 311 final Rect mStableFrame = new Rect(); 312 313 // The area not occupied by the status and navigation bars. So, if both status and navigation 314 // bars are visible, the decor frame is equal to the stable frame. 315 final Rect mDecorFrame = new Rect(); 316 317 // Equal to the decor frame if the IME (e.g. keyboard) is not present. Equal to the decor frame 318 // minus the area occupied by the IME if the IME is present. 319 final Rect mContentFrame = new Rect(); 320 321 // Legacy stuff. Generally equal to the content frame expect when the IME for older apps 322 // displays hint text. 323 final Rect mVisibleFrame = new Rect(); 324 325 // Frame that includes dead area outside of the surface but where we want to pretend that it's 326 // possible to draw. 327 final Rect mOutsetFrame = new Rect(); 328 329 /** 330 * Usually empty. Set to the task's tempInsetFrame. See 331 *{@link android.app.IActivityManager#resizeDockedStack}. 332 */ 333 final Rect mInsetFrame = new Rect(); 334 335 private static final Rect sTmpRect = new Rect(); 336 337 boolean mContentChanged; 338 339 // If a window showing a wallpaper: the requested offset for the 340 // wallpaper; if a wallpaper window: the currently applied offset. 341 float mWallpaperX = -1; 342 float mWallpaperY = -1; 343 344 // If a window showing a wallpaper: what fraction of the offset 345 // range corresponds to a full virtual screen. 346 float mWallpaperXStep = -1; 347 float mWallpaperYStep = -1; 348 349 // If a window showing a wallpaper: a raw pixel offset to forcibly apply 350 // to its window; if a wallpaper window: not used. 351 int mWallpaperDisplayOffsetX = Integer.MIN_VALUE; 352 int mWallpaperDisplayOffsetY = Integer.MIN_VALUE; 353 354 // Wallpaper windows: pixels offset based on above variables. 355 int mXOffset; 356 int mYOffset; 357 358 /** 359 * This is set after IWindowSession.relayout() has been called at 360 * least once for the window. It allows us to detect the situation 361 * where we don't yet have a surface, but should have one soon, so 362 * we can give the window focus before waiting for the relayout. 363 */ 364 boolean mRelayoutCalled; 365 366 /** 367 * If the application has called relayout() with changes that can 368 * impact its window's size, we need to perform a layout pass on it 369 * even if it is not currently visible for layout. This is set 370 * when in that case until the layout is done. 371 */ 372 boolean mLayoutNeeded; 373 374 /** Currently running an exit animation? */ 375 boolean mAnimatingExit; 376 377 /** Currently on the mDestroySurface list? */ 378 boolean mDestroying; 379 380 /** Completely remove from window manager after exit animation? */ 381 boolean mRemoveOnExit; 382 383 /** 384 * Whether the app died while it was visible, if true we might need 385 * to continue to show it until it's restarted. 386 */ 387 boolean mAppDied; 388 389 /** 390 * Set when the orientation is changing and this window has not yet 391 * been updated for the new orientation. 392 */ 393 boolean mOrientationChanging; 394 395 /** 396 * How long we last kept the screen frozen. 397 */ 398 int mLastFreezeDuration; 399 400 /** Is this window now (or just being) removed? */ 401 boolean mRemoved; 402 403 /** 404 * It is save to remove the window and destroy the surface because the client requested removal 405 * or some other higher level component said so (e.g. activity manager). 406 * TODO: We should either have different booleans for the removal reason or use a bit-field. 407 */ 408 boolean mWindowRemovalAllowed; 409 410 /** 411 * Temp for keeping track of windows that have been removed when 412 * rebuilding window list. 413 */ 414 boolean mRebuilding; 415 416 // Input channel and input window handle used by the input dispatcher. 417 final InputWindowHandle mInputWindowHandle; 418 InputChannel mInputChannel; 419 InputChannel mClientChannel; 420 421 // Used to improve performance of toString() 422 String mStringNameCache; 423 CharSequence mLastTitle; 424 boolean mWasExiting; 425 426 final WindowStateAnimator mWinAnimator; 427 428 boolean mHasSurface = false; 429 430 boolean mNotOnAppsDisplay = false; 431 DisplayContent mDisplayContent; 432 433 /** When true this window can be displayed on screens owther than mOwnerUid's */ 434 private boolean mShowToOwnerOnly; 435 436 // Whether the window has a saved surface from last pause, which can be 437 // used to start an entering animation earlier. 438 private boolean mSurfaceSaved = false; 439 440 // Whether we're performing an entering animation with a saved surface. 441 private boolean mAnimatingWithSavedSurface; 442 443 // Whether the window was visible when we set the app to invisible last time. WM uses 444 // this as a hint to restore the surface (if available) for early animation next time 445 // the app is brought visible. 446 boolean mWasVisibleBeforeClientHidden; 447 448 // This window will be replaced due to relaunch. This allows window manager 449 // to differentiate between simple removal of a window and replacement. In the latter case it 450 // will preserve the old window until the new one is drawn. 451 boolean mWillReplaceWindow = false; 452 // If true, the replaced window was already requested to be removed. 453 boolean mReplacingRemoveRequested = false; 454 // Whether the replacement of the window should trigger app transition animation. 455 boolean mAnimateReplacingWindow = false; 456 // If not null, the window that will be used to replace the old one. This is being set when 457 // the window is added and unset when this window reports its first draw. 458 WindowState mReplacingWindow = null; 459 // For the new window in the replacement transition, if we have 460 // requested to replace without animation, then we should 461 // make sure we also don't apply an enter animation for 462 // the new window. 463 boolean mSkipEnterAnimationForSeamlessReplacement = false; 464 // Whether this window is being moved via the resize API 465 boolean mMovedByResize; 466 467 /** 468 * Wake lock for drawing. 469 * Even though it's slightly more expensive to do so, we will use a separate wake lock 470 * for each app that is requesting to draw while dozing so that we can accurately track 471 * who is preventing the system from suspending. 472 * This lock is only acquired on first use. 473 */ 474 PowerManager.WakeLock mDrawLock; 475 476 final private Rect mTmpRect = new Rect(); 477 478 /** 479 * See {@link #notifyMovedInStack}. 480 */ 481 private boolean mJustMovedInStack; 482 483 /** 484 * Whether the window was resized by us while it was gone for layout. 485 */ 486 boolean mResizedWhileGone = false; 487 488 /** 489 * Indicates whether we got resized but drag resizing flag was false. In this case, we also 490 * need to recreate the surface and defer surface bound updates in order to make sure the 491 * buffer contents and the positioning/size stay in sync. 492 */ 493 boolean mResizedWhileNotDragResizing; 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 * Like isOnScreen(), but we don't return true if the window is part 1260 * of a transition that has not yet been started. 1261 */ 1262 boolean isReadyForDisplay() { 1263 if (mRootToken.waitingToShow && mService.mAppTransition.isTransitionSet()) { 1264 return false; 1265 } 1266 return mHasSurface && mPolicyVisibility && !mDestroying 1267 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE && !mRootToken.hidden) 1268 || mWinAnimator.mAnimation != null 1269 || ((mAppToken != null) && (mAppToken.mAppAnimator.animation != null))); 1270 } 1271 1272 /** 1273 * Like isReadyForDisplay(), but ignores any force hiding of the window due 1274 * to the keyguard. 1275 */ 1276 boolean isReadyForDisplayIgnoringKeyguard() { 1277 if (mRootToken.waitingToShow && mService.mAppTransition.isTransitionSet()) { 1278 return false; 1279 } 1280 final AppWindowToken atoken = mAppToken; 1281 if (atoken == null && !mPolicyVisibility) { 1282 // If this is not an app window, and the policy has asked to force 1283 // hide, then we really do want to hide. 1284 return false; 1285 } 1286 return mHasSurface && !mDestroying 1287 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE && !mRootToken.hidden) 1288 || mWinAnimator.mAnimation != null 1289 || ((atoken != null) && (atoken.mAppAnimator.animation != null) 1290 && !mWinAnimator.isDummyAnimation())); 1291 } 1292 1293 /** 1294 * Like isOnScreen, but returns false if the surface hasn't yet 1295 * been drawn. 1296 */ 1297 @Override 1298 public boolean isDisplayedLw() { 1299 final AppWindowToken atoken = mAppToken; 1300 return isDrawnLw() && mPolicyVisibility 1301 && ((!mAttachedHidden && 1302 (atoken == null || !atoken.hiddenRequested)) 1303 || mWinAnimator.mAnimating 1304 || (atoken != null && atoken.mAppAnimator.animation != null)); 1305 } 1306 1307 /** 1308 * Return true if this window or its app token is currently animating. 1309 */ 1310 @Override 1311 public boolean isAnimatingLw() { 1312 return mWinAnimator.mAnimation != null 1313 || (mAppToken != null && mAppToken.mAppAnimator.animation != null); 1314 } 1315 1316 @Override 1317 public boolean isGoneForLayoutLw() { 1318 final AppWindowToken atoken = mAppToken; 1319 return mViewVisibility == View.GONE 1320 || !mRelayoutCalled 1321 || (atoken == null && mRootToken.hidden) 1322 || (atoken != null && atoken.hiddenRequested) 1323 || mAttachedHidden 1324 || (mAnimatingExit && !isAnimatingLw()) 1325 || mDestroying; 1326 } 1327 1328 /** 1329 * Returns true if the window has a surface that it has drawn a 1330 * complete UI in to. 1331 */ 1332 public boolean isDrawFinishedLw() { 1333 return mHasSurface && !mDestroying && 1334 (mWinAnimator.mDrawState == WindowStateAnimator.COMMIT_DRAW_PENDING 1335 || mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW 1336 || mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN); 1337 } 1338 1339 /** 1340 * Returns true if the window has a surface that it has drawn a 1341 * complete UI in to. 1342 */ 1343 @Override 1344 public boolean isDrawnLw() { 1345 return mHasSurface && !mDestroying && 1346 (mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW 1347 || mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN); 1348 } 1349 1350 /** 1351 * Return true if the window is opaque and fully drawn. This indicates 1352 * it may obscure windows behind it. 1353 */ 1354 boolean isOpaqueDrawn() { 1355 // When there is keyguard, wallpaper could be placed over the secure app 1356 // window but invisible. We need to check wallpaper visibility explicitly 1357 // to determine if it's occluding apps. 1358 return ((!mIsWallpaper && mAttrs.format == PixelFormat.OPAQUE) 1359 || (mIsWallpaper && mWallpaperVisible)) 1360 && isDrawnLw() && mWinAnimator.mAnimation == null 1361 && (mAppToken == null || mAppToken.mAppAnimator.animation == null); 1362 } 1363 1364 /** 1365 * Return whether this window has moved. (Only makes 1366 * sense to call from performLayoutAndPlaceSurfacesLockedInner().) 1367 */ 1368 boolean hasMoved() { 1369 return mHasSurface && (mContentChanged || mMovedByResize) 1370 && !mAnimatingExit && mService.okToDisplay() 1371 && (mFrame.top != mLastFrame.top || mFrame.left != mLastFrame.left) 1372 && (mAttachedWindow == null || !mAttachedWindow.hasMoved()); 1373 } 1374 1375 boolean isObscuringFullscreen(final DisplayInfo displayInfo) { 1376 Task task = getTask(); 1377 if (task != null && task.mStack != null && !task.mStack.isFullscreen()) { 1378 return false; 1379 } 1380 if (!isOpaqueDrawn() || !isFrameFullscreen(displayInfo)) { 1381 return false; 1382 } 1383 return true; 1384 } 1385 1386 boolean isFrameFullscreen(final DisplayInfo displayInfo) { 1387 return mFrame.left <= 0 && mFrame.top <= 0 1388 && mFrame.right >= displayInfo.appWidth && mFrame.bottom >= displayInfo.appHeight; 1389 } 1390 1391 boolean isConfigChanged() { 1392 final Task task = getTask(); 1393 final Configuration overrideConfig = 1394 (task != null) ? task.mOverrideConfig : Configuration.EMPTY; 1395 final Configuration serviceConfig = mService.mCurConfiguration; 1396 boolean configChanged = 1397 (mConfiguration != serviceConfig && mConfiguration.diff(serviceConfig) != 0) 1398 || (mOverrideConfig != overrideConfig && !mOverrideConfig.equals(overrideConfig)); 1399 1400 if ((mAttrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) { 1401 // Retain configuration changed status until resetConfiguration called. 1402 mConfigHasChanged |= configChanged; 1403 configChanged = mConfigHasChanged; 1404 } 1405 1406 return configChanged; 1407 } 1408 1409 boolean isAdjustedForMinimizedDock() { 1410 return mAppToken != null && mAppToken.mTask != null 1411 && mAppToken.mTask.mStack.isAdjustedForMinimizedDock(); 1412 } 1413 1414 void removeLocked() { 1415 disposeInputChannel(); 1416 1417 if (isChildWindow()) { 1418 if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + this + " from " + mAttachedWindow); 1419 mAttachedWindow.mChildWindows.remove(this); 1420 } 1421 mWinAnimator.destroyDeferredSurfaceLocked(); 1422 mWinAnimator.destroySurfaceLocked(); 1423 mSession.windowRemovedLocked(); 1424 try { 1425 mClient.asBinder().unlinkToDeath(mDeathRecipient, 0); 1426 } catch (RuntimeException e) { 1427 // Ignore if it has already been removed (usually because 1428 // we are doing this as part of processing a death note.) 1429 } 1430 } 1431 1432 private void setConfiguration( 1433 final Configuration newConfig, final Configuration newOverrideConfig) { 1434 mConfiguration = newConfig; 1435 mOverrideConfig = newOverrideConfig; 1436 mConfigHasChanged = false; 1437 1438 mMergedConfiguration.setTo(newConfig); 1439 if (newOverrideConfig != null && newOverrideConfig != Configuration.EMPTY) { 1440 mMergedConfiguration.updateFrom(newOverrideConfig); 1441 } 1442 } 1443 1444 void setHasSurface(boolean hasSurface) { 1445 mHasSurface = hasSurface; 1446 } 1447 1448 int getAnimLayerAdjustment() { 1449 if (mTargetAppToken != null) { 1450 return mTargetAppToken.mAppAnimator.animLayerAdjustment; 1451 } else if (mAppToken != null) { 1452 return mAppToken.mAppAnimator.animLayerAdjustment; 1453 } else { 1454 // Nothing is animating, so there is no animation adjustment. 1455 return 0; 1456 } 1457 } 1458 1459 void scheduleAnimationIfDimming() { 1460 if (mDisplayContent == null) { 1461 return; 1462 } 1463 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 1464 if (dimLayerUser != null && mDisplayContent.mDimLayerController.isDimming( 1465 dimLayerUser, mWinAnimator)) { 1466 // Force an animation pass just to update the mDimLayer layer. 1467 mService.scheduleAnimationLocked(); 1468 } 1469 } 1470 1471 /** 1472 * Notifies this window that the corresponding task has just moved in the stack. 1473 * <p> 1474 * This is used to fix the following: If we moved in the stack, and if the last clip rect was 1475 * empty, meaning that our task was completely offscreen, we need to keep it invisible because 1476 * the actual app transition that updates the visibility is delayed by a few transactions. 1477 * Instead of messing around with the ordering and timing how transitions and transactions are 1478 * executed, we introduce this little hack which prevents this window of getting visible again 1479 * with the wrong bounds until the app transitions has started. 1480 * <p> 1481 * This method notifies the window about that we just moved in the stack so we can apply this 1482 * logic in {@link WindowStateAnimator#updateSurfaceWindowCrop} 1483 */ 1484 void notifyMovedInStack() { 1485 mJustMovedInStack = true; 1486 } 1487 1488 /** 1489 * See {@link #notifyMovedInStack}. 1490 * 1491 * @return Whether we just got moved in the corresponding stack. 1492 */ 1493 boolean hasJustMovedInStack() { 1494 return mJustMovedInStack; 1495 } 1496 1497 /** 1498 * Resets that we just moved in the corresponding stack. See {@link #notifyMovedInStack}. 1499 */ 1500 void resetJustMovedInStack() { 1501 mJustMovedInStack = false; 1502 } 1503 1504 private final class DeadWindowEventReceiver extends InputEventReceiver { 1505 DeadWindowEventReceiver(InputChannel inputChannel) { 1506 super(inputChannel, mService.mH.getLooper()); 1507 } 1508 @Override 1509 public void onInputEvent(InputEvent event) { 1510 finishInputEvent(event, true); 1511 } 1512 } 1513 /** 1514 * Dummy event receiver for windows that died visible. 1515 */ 1516 private DeadWindowEventReceiver mDeadWindowEventReceiver; 1517 1518 void openInputChannel(InputChannel outInputChannel) { 1519 if (mInputChannel != null) { 1520 throw new IllegalStateException("Window already has an input channel."); 1521 } 1522 String name = makeInputChannelName(); 1523 InputChannel[] inputChannels = InputChannel.openInputChannelPair(name); 1524 mInputChannel = inputChannels[0]; 1525 mClientChannel = inputChannels[1]; 1526 mInputWindowHandle.inputChannel = inputChannels[0]; 1527 if (outInputChannel != null) { 1528 mClientChannel.transferTo(outInputChannel); 1529 mClientChannel.dispose(); 1530 mClientChannel = null; 1531 } else { 1532 // If the window died visible, we setup a dummy input channel, so that taps 1533 // can still detected by input monitor channel, and we can relaunch the app. 1534 // Create dummy event receiver that simply reports all events as handled. 1535 mDeadWindowEventReceiver = new DeadWindowEventReceiver(mClientChannel); 1536 } 1537 mService.mInputManager.registerInputChannel(mInputChannel, mInputWindowHandle); 1538 } 1539 1540 void disposeInputChannel() { 1541 if (mDeadWindowEventReceiver != null) { 1542 mDeadWindowEventReceiver.dispose(); 1543 mDeadWindowEventReceiver = null; 1544 } 1545 1546 // unregister server channel first otherwise it complains about broken channel 1547 if (mInputChannel != null) { 1548 mService.mInputManager.unregisterInputChannel(mInputChannel); 1549 mInputChannel.dispose(); 1550 mInputChannel = null; 1551 } 1552 if (mClientChannel != null) { 1553 mClientChannel.dispose(); 1554 mClientChannel = null; 1555 } 1556 mInputWindowHandle.inputChannel = null; 1557 } 1558 1559 void applyDimLayerIfNeeded() { 1560 // When the app is terminated (eg. from Recents), the task might have already been 1561 // removed with the window pending removal. Don't apply dim in such cases, as there 1562 // will be no more updateDimLayer() calls, which leaves the dimlayer invalid. 1563 final AppWindowToken token = mAppToken; 1564 if (token != null && token.removed) { 1565 return; 1566 } 1567 1568 if (!mAnimatingExit && mAppDied) { 1569 // If app died visible, apply a dim over the window to indicate that it's inactive 1570 mDisplayContent.mDimLayerController.applyDimAbove(getDimLayerUser(), mWinAnimator); 1571 } else if ((mAttrs.flags & FLAG_DIM_BEHIND) != 0 1572 && mDisplayContent != null && !mAnimatingExit && isVisibleUnchecked()) { 1573 mDisplayContent.mDimLayerController.applyDimBehind(getDimLayerUser(), mWinAnimator); 1574 } 1575 } 1576 1577 DimLayer.DimLayerUser getDimLayerUser() { 1578 Task task = getTask(); 1579 if (task != null) { 1580 return task; 1581 } 1582 return getStack(); 1583 } 1584 1585 void maybeRemoveReplacedWindow() { 1586 if (mAppToken == null) { 1587 return; 1588 } 1589 for (int i = mAppToken.allAppWindows.size() - 1; i >= 0; i--) { 1590 final WindowState win = mAppToken.allAppWindows.get(i); 1591 if (win.mWillReplaceWindow && win.mReplacingWindow == this && hasDrawnLw()) { 1592 if (DEBUG_ADD_REMOVE) Slog.d(TAG, "Removing replaced window: " + win); 1593 if (win.isDimming()) { 1594 win.transferDimToReplacement(); 1595 } 1596 win.mWillReplaceWindow = false; 1597 final boolean animateReplacingWindow = win.mAnimateReplacingWindow; 1598 win.mAnimateReplacingWindow = false; 1599 win.mReplacingRemoveRequested = false; 1600 win.mReplacingWindow = null; 1601 mSkipEnterAnimationForSeamlessReplacement = false; 1602 if (win.mAnimatingExit || !animateReplacingWindow) { 1603 mService.removeWindowInnerLocked(win); 1604 } 1605 } 1606 } 1607 } 1608 1609 void setDisplayLayoutNeeded() { 1610 if (mDisplayContent != null) { 1611 mDisplayContent.layoutNeeded = true; 1612 } 1613 } 1614 1615 boolean inDockedWorkspace() { 1616 final Task task = getTask(); 1617 return task != null && task.inDockedWorkspace(); 1618 } 1619 1620 boolean isDockedInEffect() { 1621 final Task task = getTask(); 1622 return task != null && task.isDockedInEffect(); 1623 } 1624 1625 void applyScrollIfNeeded() { 1626 final Task task = getTask(); 1627 if (task != null) { 1628 task.applyScrollToWindowIfNeeded(this); 1629 } 1630 } 1631 1632 void applyAdjustForImeIfNeeded() { 1633 final Task task = getTask(); 1634 if (task != null && task.mStack != null && task.mStack.isAdjustedForIme()) { 1635 task.mStack.applyAdjustForImeIfNeeded(task); 1636 } 1637 } 1638 1639 int getTouchableRegion(Region region, int flags) { 1640 final boolean modal = (flags & (FLAG_NOT_TOUCH_MODAL | FLAG_NOT_FOCUSABLE)) == 0; 1641 if (modal && mAppToken != null) { 1642 // Limit the outer touch to the activity stack region. 1643 flags |= FLAG_NOT_TOUCH_MODAL; 1644 // If this is a modal window we need to dismiss it if it's not full screen and the 1645 // touch happens outside of the frame that displays the content. This means we 1646 // need to intercept touches outside of that window. The dim layer user 1647 // associated with the window (task or stack) will give us the good bounds, as 1648 // they would be used to display the dim layer. 1649 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 1650 if (dimLayerUser != null) { 1651 dimLayerUser.getDimBounds(mTmpRect); 1652 } else { 1653 getVisibleBounds(mTmpRect); 1654 } 1655 if (inFreeformWorkspace()) { 1656 // For freeform windows we the touch region to include the whole surface for the 1657 // shadows. 1658 final DisplayMetrics displayMetrics = getDisplayContent().getDisplayMetrics(); 1659 final int delta = WindowManagerService.dipToPixel( 1660 RESIZE_HANDLE_WIDTH_IN_DP, displayMetrics); 1661 mTmpRect.inset(-delta, -delta); 1662 } 1663 region.set(mTmpRect); 1664 cropRegionToStackBoundsIfNeeded(region); 1665 } else { 1666 // Not modal or full screen modal 1667 getTouchableRegion(region); 1668 } 1669 return flags; 1670 } 1671 1672 void checkPolicyVisibilityChange() { 1673 if (mPolicyVisibility != mPolicyVisibilityAfterAnim) { 1674 if (DEBUG_VISIBILITY) { 1675 Slog.v(TAG, "Policy visibility changing after anim in " + 1676 mWinAnimator + ": " + mPolicyVisibilityAfterAnim); 1677 } 1678 mPolicyVisibility = mPolicyVisibilityAfterAnim; 1679 setDisplayLayoutNeeded(); 1680 if (!mPolicyVisibility) { 1681 if (mService.mCurrentFocus == this) { 1682 if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, 1683 "setAnimationLocked: setting mFocusMayChange true"); 1684 mService.mFocusMayChange = true; 1685 } 1686 // Window is no longer visible -- make sure if we were waiting 1687 // for it to be displayed before enabling the display, that 1688 // we allow the display to be enabled now. 1689 mService.enableScreenIfNeededLocked(); 1690 } 1691 } 1692 } 1693 1694 void setRequestedSize(int requestedWidth, int requestedHeight) { 1695 if ((mRequestedWidth != requestedWidth || mRequestedHeight != requestedHeight)) { 1696 mLayoutNeeded = true; 1697 mRequestedWidth = requestedWidth; 1698 mRequestedHeight = requestedHeight; 1699 } 1700 } 1701 1702 void prepareWindowToDisplayDuringRelayout(Configuration outConfig) { 1703 if ((mAttrs.softInputMode & SOFT_INPUT_MASK_ADJUST) 1704 == SOFT_INPUT_ADJUST_RESIZE) { 1705 mLayoutNeeded = true; 1706 } 1707 if (isDrawnLw() && mService.okToDisplay()) { 1708 mWinAnimator.applyEnterAnimationLocked(); 1709 } 1710 if ((mAttrs.flags & FLAG_TURN_SCREEN_ON) != 0) { 1711 if (DEBUG_VISIBILITY) Slog.v(TAG, "Relayout window turning screen on: " + this); 1712 mTurnOnScreen = true; 1713 } 1714 if (isConfigChanged()) { 1715 final Configuration newConfig = updateConfiguration(); 1716 if (DEBUG_CONFIGURATION) Slog.i(TAG, "Window " + this + " visible with new config: " 1717 + newConfig); 1718 outConfig.setTo(newConfig); 1719 } 1720 } 1721 1722 void adjustStartingWindowFlags() { 1723 if (mAttrs.type == TYPE_BASE_APPLICATION && mAppToken != null 1724 && mAppToken.startingWindow != null) { 1725 // Special handling of starting window over the base 1726 // window of the app: propagate lock screen flags to it, 1727 // to provide the correct semantics while starting. 1728 final int mask = FLAG_SHOW_WHEN_LOCKED | FLAG_DISMISS_KEYGUARD 1729 | FLAG_ALLOW_LOCK_WHILE_SCREEN_ON; 1730 WindowManager.LayoutParams sa = mAppToken.startingWindow.mAttrs; 1731 sa.flags = (sa.flags & ~mask) | (mAttrs.flags & mask); 1732 } 1733 } 1734 1735 void setWindowScale(int requestedWidth, int requestedHeight) { 1736 final boolean scaledWindow = (mAttrs.flags & FLAG_SCALED) != 0; 1737 1738 if (scaledWindow) { 1739 // requested{Width|Height} Surface's physical size 1740 // attrs.{width|height} Size on screen 1741 // TODO: We don't check if attrs != null here. Is it implicitly checked? 1742 mHScale = (mAttrs.width != requestedWidth) ? 1743 (mAttrs.width / (float)requestedWidth) : 1.0f; 1744 mVScale = (mAttrs.height != requestedHeight) ? 1745 (mAttrs.height / (float)requestedHeight) : 1.0f; 1746 } else { 1747 mHScale = mVScale = 1; 1748 } 1749 } 1750 1751 private class DeathRecipient implements IBinder.DeathRecipient { 1752 @Override 1753 public void binderDied() { 1754 try { 1755 synchronized(mService.mWindowMap) { 1756 WindowState win = mService.windowForClientLocked(mSession, mClient, false); 1757 Slog.i(TAG, "WIN DEATH: " + win); 1758 if (win != null) { 1759 mService.removeWindowLocked(win, shouldKeepVisibleDeadAppWindow()); 1760 if (win.mAttrs.type == TYPE_DOCK_DIVIDER) { 1761 // The owner of the docked divider died :( We reset the docked stack, 1762 // just in case they have the divider at an unstable position. Better 1763 // also reset drag resizing state, because the owner can't do it 1764 // anymore. 1765 final TaskStack stack = mService.mStackIdToStack.get(DOCKED_STACK_ID); 1766 if (stack != null) { 1767 stack.resetDockedStackToMiddle(); 1768 } 1769 mService.setDockedStackResizing(false); 1770 } 1771 } else if (mHasSurface) { 1772 Slog.e(TAG, "!!! LEAK !!! Window removed but surface still valid."); 1773 mService.removeWindowLocked(WindowState.this); 1774 } 1775 } 1776 } catch (IllegalArgumentException ex) { 1777 // This will happen if the window has already been removed. 1778 } 1779 } 1780 } 1781 1782 /** 1783 * Returns true if this window is visible and belongs to a dead app and shouldn't be removed, 1784 * because we want to preserve its location on screen to be re-activated later when the user 1785 * interacts with it. 1786 */ 1787 boolean shouldKeepVisibleDeadAppWindow() { 1788 if (!isWinVisibleLw() || mAppToken == null || mAppToken.clientHidden) { 1789 // Not a visible app window or the app isn't dead. 1790 return false; 1791 } 1792 1793 if (mAttrs.token != mClient.asBinder()) { 1794 // The window was add by a client using another client's app token. We don't want to 1795 // keep the dead window around for this case since this is meant for 'real' apps. 1796 return false; 1797 } 1798 1799 if (mAttrs.type == TYPE_APPLICATION_STARTING) { 1800 // We don't keep starting windows since they were added by the window manager before 1801 // the app even launched. 1802 return false; 1803 } 1804 1805 final TaskStack stack = getStack(); 1806 return stack != null && StackId.keepVisibleDeadAppWindowOnScreen(stack.mStackId); 1807 } 1808 1809 /** @return true if this window desires key events. */ 1810 boolean canReceiveKeys() { 1811 return isVisibleOrAdding() 1812 && (mViewVisibility == View.VISIBLE) 1813 && ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0) 1814 && (mAppToken == null || mAppToken.windowsAreFocusable()) 1815 && !isAdjustedForMinimizedDock(); 1816 } 1817 1818 @Override 1819 public boolean hasDrawnLw() { 1820 return mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN; 1821 } 1822 1823 @Override 1824 public boolean showLw(boolean doAnimation) { 1825 return showLw(doAnimation, true); 1826 } 1827 1828 boolean showLw(boolean doAnimation, boolean requestAnim) { 1829 if (isHiddenFromUserLocked()) { 1830 return false; 1831 } 1832 if (!mAppOpVisibility) { 1833 // Being hidden due to app op request. 1834 return false; 1835 } 1836 if (mPolicyVisibility && mPolicyVisibilityAfterAnim) { 1837 // Already showing. 1838 return false; 1839 } 1840 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility true: " + this); 1841 if (doAnimation) { 1842 if (DEBUG_VISIBILITY) Slog.v(TAG, "doAnimation: mPolicyVisibility=" 1843 + mPolicyVisibility + " mAnimation=" + mWinAnimator.mAnimation); 1844 if (!mService.okToDisplay()) { 1845 doAnimation = false; 1846 } else if (mPolicyVisibility && mWinAnimator.mAnimation == null) { 1847 // Check for the case where we are currently visible and 1848 // not animating; we do not want to do animation at such a 1849 // point to become visible when we already are. 1850 doAnimation = false; 1851 } 1852 } 1853 mPolicyVisibility = true; 1854 mPolicyVisibilityAfterAnim = true; 1855 if (doAnimation) { 1856 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_ENTER, true); 1857 } 1858 if (requestAnim) { 1859 mService.scheduleAnimationLocked(); 1860 } 1861 return true; 1862 } 1863 1864 @Override 1865 public boolean hideLw(boolean doAnimation) { 1866 return hideLw(doAnimation, true); 1867 } 1868 1869 boolean hideLw(boolean doAnimation, boolean requestAnim) { 1870 if (doAnimation) { 1871 if (!mService.okToDisplay()) { 1872 doAnimation = false; 1873 } 1874 } 1875 boolean current = doAnimation ? mPolicyVisibilityAfterAnim 1876 : mPolicyVisibility; 1877 if (!current) { 1878 // Already hiding. 1879 return false; 1880 } 1881 if (doAnimation) { 1882 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_EXIT, false); 1883 if (mWinAnimator.mAnimation == null) { 1884 doAnimation = false; 1885 } 1886 } 1887 if (doAnimation) { 1888 mPolicyVisibilityAfterAnim = false; 1889 } else { 1890 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility false: " + this); 1891 mPolicyVisibilityAfterAnim = false; 1892 mPolicyVisibility = false; 1893 // Window is no longer visible -- make sure if we were waiting 1894 // for it to be displayed before enabling the display, that 1895 // we allow the display to be enabled now. 1896 mService.enableScreenIfNeededLocked(); 1897 if (mService.mCurrentFocus == this) { 1898 if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, 1899 "WindowState.hideLw: setting mFocusMayChange true"); 1900 mService.mFocusMayChange = true; 1901 } 1902 } 1903 if (requestAnim) { 1904 mService.scheduleAnimationLocked(); 1905 } 1906 return true; 1907 } 1908 1909 public void setAppOpVisibilityLw(boolean state) { 1910 if (mAppOpVisibility != state) { 1911 mAppOpVisibility = state; 1912 if (state) { 1913 // If the policy visibility had last been to hide, then this 1914 // will incorrectly show at this point since we lost that 1915 // information. Not a big deal -- for the windows that have app 1916 // ops modifies they should only be hidden by policy due to the 1917 // lock screen, and the user won't be changing this if locked. 1918 // Plus it will quickly be fixed the next time we do a layout. 1919 showLw(true, true); 1920 } else { 1921 hideLw(true, true); 1922 } 1923 } 1924 } 1925 1926 public void pokeDrawLockLw(long timeout) { 1927 if (isVisibleOrAdding()) { 1928 if (mDrawLock == null) { 1929 // We want the tag name to be somewhat stable so that it is easier to correlate 1930 // in wake lock statistics. So in particular, we don't want to include the 1931 // window's hash code as in toString(). 1932 final CharSequence tag = getWindowTag(); 1933 mDrawLock = mService.mPowerManager.newWakeLock( 1934 PowerManager.DRAW_WAKE_LOCK, "Window:" + tag); 1935 mDrawLock.setReferenceCounted(false); 1936 mDrawLock.setWorkSource(new WorkSource(mOwnerUid, mAttrs.packageName)); 1937 } 1938 // Each call to acquire resets the timeout. 1939 if (DEBUG_POWER) { 1940 Slog.d(TAG, "pokeDrawLock: poking draw lock on behalf of visible window owned by " 1941 + mAttrs.packageName); 1942 } 1943 mDrawLock.acquire(timeout); 1944 } else if (DEBUG_POWER) { 1945 Slog.d(TAG, "pokeDrawLock: suppressed draw lock request for invisible window " 1946 + "owned by " + mAttrs.packageName); 1947 } 1948 } 1949 1950 @Override 1951 public boolean isAlive() { 1952 return mClient.asBinder().isBinderAlive(); 1953 } 1954 1955 boolean isClosing() { 1956 return mAnimatingExit || (mService.mClosingApps.contains(mAppToken)); 1957 } 1958 1959 boolean isAnimatingWithSavedSurface() { 1960 return mAnimatingWithSavedSurface; 1961 } 1962 1963 public void setVisibleBeforeClientHidden() { 1964 mWasVisibleBeforeClientHidden |= 1965 (mViewVisibility == View.VISIBLE || mAnimatingWithSavedSurface); 1966 } 1967 1968 public void clearVisibleBeforeClientHidden() { 1969 mWasVisibleBeforeClientHidden = false; 1970 } 1971 1972 public boolean wasVisibleBeforeClientHidden() { 1973 return mWasVisibleBeforeClientHidden; 1974 } 1975 1976 private boolean shouldSaveSurface() { 1977 if (mWinAnimator.mSurfaceController == null) { 1978 // Don't bother if the surface controller is gone for any reason. 1979 return false; 1980 } 1981 1982 if (!mWasVisibleBeforeClientHidden) { 1983 return false; 1984 } 1985 1986 if ((mAttrs.flags & FLAG_SECURE) != 0) { 1987 // We don't save secure surfaces since their content shouldn't be shown while the app 1988 // isn't on screen and content might leak through during the transition animation with 1989 // saved surface. 1990 return false; 1991 } 1992 1993 if (ActivityManager.isLowRamDeviceStatic()) { 1994 // Don't save surfaces on Svelte devices. 1995 return false; 1996 } 1997 1998 Task task = getTask(); 1999 if (task == null || task.inHomeStack()) { 2000 // Don't save surfaces for home stack apps. These usually resume and draw 2001 // first frame very fast. Saving surfaces are mostly a waste of memory. 2002 return false; 2003 } 2004 2005 final AppWindowToken taskTop = task.getTopVisibleAppToken(); 2006 if (taskTop != null && taskTop != mAppToken) { 2007 // Don't save if the window is not the topmost window. 2008 return false; 2009 } 2010 2011 if (mResizedWhileGone) { 2012 // Somebody resized our window while we were gone for layout, which means that the 2013 // client got an old size, so we have an outdated surface here. 2014 return false; 2015 } 2016 2017 if (DEBUG_DISABLE_SAVING_SURFACES) { 2018 return false; 2019 } 2020 2021 return mAppToken.shouldSaveSurface(); 2022 } 2023 2024 static final Region sEmptyRegion = new Region(); 2025 2026 void destroyOrSaveSurface() { 2027 mSurfaceSaved = shouldSaveSurface(); 2028 if (mSurfaceSaved) { 2029 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2030 Slog.v(TAG, "Saving surface: " + this); 2031 } 2032 // Previous user of the surface may have set a transparent region signaling a portion 2033 // doesn't need to be composited, so reset to default empty state. 2034 mSession.setTransparentRegion(mClient, sEmptyRegion); 2035 2036 mWinAnimator.hide("saved surface"); 2037 mWinAnimator.mDrawState = WindowStateAnimator.NO_SURFACE; 2038 setHasSurface(false); 2039 // The client should have disconnected at this point, but if it doesn't, 2040 // we need to make sure it's disconnected. Otherwise when we reuse the surface 2041 // the client can't reconnect to the buffer queue, and rendering will fail. 2042 if (mWinAnimator.mSurfaceController != null) { 2043 mWinAnimator.mSurfaceController.disconnectInTransaction(); 2044 } 2045 } else { 2046 mWinAnimator.destroySurfaceLocked(); 2047 } 2048 // Clear animating flags now, since the surface is now gone. (Note this is true even 2049 // if the surface is saved, to outside world the surface is still NO_SURFACE.) 2050 mAnimatingExit = false; 2051 } 2052 2053 void destroySavedSurface() { 2054 if (mSurfaceSaved) { 2055 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2056 Slog.v(TAG, "Destroying saved surface: " + this); 2057 } 2058 mWinAnimator.destroySurfaceLocked(); 2059 } 2060 mWasVisibleBeforeClientHidden = false; 2061 } 2062 2063 void restoreSavedSurface() { 2064 if (!mSurfaceSaved) { 2065 return; 2066 } 2067 mSurfaceSaved = false; 2068 if (mWinAnimator.mSurfaceController != null) { 2069 setHasSurface(true); 2070 mWinAnimator.mDrawState = WindowStateAnimator.READY_TO_SHOW; 2071 mAnimatingWithSavedSurface = true; 2072 2073 if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) { 2074 Slog.v(TAG, "Restoring saved surface: " + this); 2075 } 2076 } else { 2077 // mSurfaceController shouldn't be null if mSurfaceSaved was still true at 2078 // this point. Even if we destroyed the saved surface because of rotation 2079 // or resize, mSurfaceSaved flag should have been cleared. So this is a wtf. 2080 Slog.wtf(TAG, "Failed to restore saved surface: surface gone! " + this); 2081 } 2082 } 2083 2084 boolean canRestoreSurface() { 2085 return mWasVisibleBeforeClientHidden && mSurfaceSaved; 2086 } 2087 2088 boolean hasSavedSurface() { 2089 return mSurfaceSaved; 2090 } 2091 2092 void clearHasSavedSurface() { 2093 mSurfaceSaved = false; 2094 mAnimatingWithSavedSurface = false; 2095 mWasVisibleBeforeClientHidden = false; 2096 } 2097 2098 void clearAnimatingWithSavedSurface() { 2099 if (mAnimatingWithSavedSurface) { 2100 // App has drawn something to its windows, we're no longer animating with 2101 // the saved surfaces. 2102 if (DEBUG_ANIM) Slog.d(TAG, 2103 "clearAnimatingWithSavedSurface(): win=" + this); 2104 mAnimatingWithSavedSurface = false; 2105 } 2106 } 2107 2108 @Override 2109 public boolean isDefaultDisplay() { 2110 final DisplayContent displayContent = getDisplayContent(); 2111 if (displayContent == null) { 2112 // Only a window that was on a non-default display can be detached from it. 2113 return false; 2114 } 2115 return displayContent.isDefaultDisplay; 2116 } 2117 2118 @Override 2119 public boolean isDimming() { 2120 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 2121 return dimLayerUser != null && mDisplayContent != null && 2122 mDisplayContent.mDimLayerController.isDimming(dimLayerUser, mWinAnimator); 2123 } 2124 2125 public void setShowToOwnerOnlyLocked(boolean showToOwnerOnly) { 2126 mShowToOwnerOnly = showToOwnerOnly; 2127 } 2128 2129 boolean isHiddenFromUserLocked() { 2130 // Attached windows are evaluated based on the window that they are attached to. 2131 WindowState win = this; 2132 while (win.isChildWindow()) { 2133 win = win.mAttachedWindow; 2134 } 2135 if (win.mAttrs.type < WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW 2136 && win.mAppToken != null && win.mAppToken.showForAllUsers) { 2137 2138 // All window frames that are fullscreen extend above status bar, but some don't extend 2139 // below navigation bar. Thus, check for display frame for top/left and stable frame for 2140 // bottom right. 2141 if (win.mFrame.left <= win.mDisplayFrame.left 2142 && win.mFrame.top <= win.mDisplayFrame.top 2143 && win.mFrame.right >= win.mStableFrame.right 2144 && win.mFrame.bottom >= win.mStableFrame.bottom) { 2145 // Is a fullscreen window, like the clock alarm. Show to everyone. 2146 return false; 2147 } 2148 } 2149 2150 return win.mShowToOwnerOnly 2151 && !mService.isCurrentProfileLocked(UserHandle.getUserId(win.mOwnerUid)); 2152 } 2153 2154 private static void applyInsets(Region outRegion, Rect frame, Rect inset) { 2155 outRegion.set( 2156 frame.left + inset.left, frame.top + inset.top, 2157 frame.right - inset.right, frame.bottom - inset.bottom); 2158 } 2159 2160 void getTouchableRegion(Region outRegion) { 2161 final Rect frame = mFrame; 2162 switch (mTouchableInsets) { 2163 default: 2164 case TOUCHABLE_INSETS_FRAME: 2165 outRegion.set(frame); 2166 break; 2167 case TOUCHABLE_INSETS_CONTENT: 2168 applyInsets(outRegion, frame, mGivenContentInsets); 2169 break; 2170 case TOUCHABLE_INSETS_VISIBLE: 2171 applyInsets(outRegion, frame, mGivenVisibleInsets); 2172 break; 2173 case TOUCHABLE_INSETS_REGION: { 2174 final Region givenTouchableRegion = mGivenTouchableRegion; 2175 outRegion.set(givenTouchableRegion); 2176 outRegion.translate(frame.left, frame.top); 2177 break; 2178 } 2179 } 2180 cropRegionToStackBoundsIfNeeded(outRegion); 2181 } 2182 2183 void cropRegionToStackBoundsIfNeeded(Region region) { 2184 final Task task = getTask(); 2185 if (task == null || !task.cropWindowsToStackBounds()) { 2186 return; 2187 } 2188 2189 final TaskStack stack = task.mStack; 2190 if (stack == null) { 2191 return; 2192 } 2193 2194 stack.getDimBounds(mTmpRect); 2195 region.op(mTmpRect, Region.Op.INTERSECT); 2196 } 2197 2198 WindowList getWindowList() { 2199 final DisplayContent displayContent = getDisplayContent(); 2200 return displayContent == null ? null : displayContent.getWindowList(); 2201 } 2202 2203 /** 2204 * Report a focus change. Must be called with no locks held, and consistently 2205 * from the same serialized thread (such as dispatched from a handler). 2206 */ 2207 public void reportFocusChangedSerialized(boolean focused, boolean inTouchMode) { 2208 try { 2209 mClient.windowFocusChanged(focused, inTouchMode); 2210 } catch (RemoteException e) { 2211 } 2212 if (mFocusCallbacks != null) { 2213 final int N = mFocusCallbacks.beginBroadcast(); 2214 for (int i=0; i<N; i++) { 2215 IWindowFocusObserver obs = mFocusCallbacks.getBroadcastItem(i); 2216 try { 2217 if (focused) { 2218 obs.focusGained(mWindowId.asBinder()); 2219 } else { 2220 obs.focusLost(mWindowId.asBinder()); 2221 } 2222 } catch (RemoteException e) { 2223 } 2224 } 2225 mFocusCallbacks.finishBroadcast(); 2226 } 2227 } 2228 2229 /** 2230 * Update our current configurations, based on task configuration. 2231 * 2232 * @return A configuration suitable for sending to the client. 2233 */ 2234 private Configuration updateConfiguration() { 2235 final Task task = getTask(); 2236 final Configuration overrideConfig = 2237 (task != null) ? task.mOverrideConfig : Configuration.EMPTY; 2238 final boolean configChanged = isConfigChanged(); 2239 if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION) && configChanged) { 2240 Slog.i(TAG, "Sending new config to window " + this + ": " + 2241 " / config=" + mService.mCurConfiguration + " overrideConfig=" + overrideConfig); 2242 } 2243 setConfiguration(mService.mCurConfiguration, overrideConfig); 2244 return mMergedConfiguration; 2245 } 2246 2247 void reportResized() { 2248 Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "wm.reportResized_" + getWindowTag()); 2249 try { 2250 if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG, "Reporting new frame to " + this 2251 + ": " + mCompatFrame); 2252 final Configuration newConfig = isConfigChanged() ? updateConfiguration() : null; 2253 if (DEBUG_ORIENTATION && mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING) 2254 Slog.i(TAG, "Resizing " + this + " WITH DRAW PENDING"); 2255 2256 final Rect frame = mFrame; 2257 final Rect overscanInsets = mLastOverscanInsets; 2258 final Rect contentInsets = mLastContentInsets; 2259 final Rect visibleInsets = mLastVisibleInsets; 2260 final Rect stableInsets = mLastStableInsets; 2261 final Rect outsets = mLastOutsets; 2262 final boolean reportDraw = mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING; 2263 if (mAttrs.type != WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 2264 && mClient instanceof IWindow.Stub) { 2265 // To prevent deadlock simulate one-way call if win.mClient is a local object. 2266 mService.mH.post(new Runnable() { 2267 @Override 2268 public void run() { 2269 try { 2270 dispatchResized(frame, overscanInsets, contentInsets, visibleInsets, 2271 stableInsets, outsets, reportDraw, newConfig); 2272 } catch (RemoteException e) { 2273 // Not a remote call, RemoteException won't be raised. 2274 } 2275 } 2276 }); 2277 } else { 2278 dispatchResized(frame, overscanInsets, contentInsets, visibleInsets, stableInsets, 2279 outsets, reportDraw, newConfig); 2280 } 2281 2282 //TODO (multidisplay): Accessibility supported only for the default display. 2283 if (mService.mAccessibilityController != null 2284 && getDisplayId() == Display.DEFAULT_DISPLAY) { 2285 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 2286 } 2287 2288 mOverscanInsetsChanged = false; 2289 mContentInsetsChanged = false; 2290 mVisibleInsetsChanged = false; 2291 mStableInsetsChanged = false; 2292 mOutsetsChanged = false; 2293 mWinAnimator.mSurfaceResized = false; 2294 } catch (RemoteException e) { 2295 mOrientationChanging = false; 2296 mLastFreezeDuration = (int)(SystemClock.elapsedRealtime() 2297 - mService.mDisplayFreezeTime); 2298 // We are assuming the hosting process is dead or in a zombie state. 2299 Slog.w(TAG, "Failed to report 'resized' to the client of " + this 2300 + ", removing this window."); 2301 mService.mPendingRemove.add(this); 2302 mService.mWindowPlacerLocked.requestTraversal(); 2303 } 2304 Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); 2305 } 2306 2307 Rect getBackdropFrame(Rect frame) { 2308 // When the task is docked, we send fullscreen sized backDropFrame as soon as resizing 2309 // start even if we haven't received the relayout window, so that the client requests 2310 // the relayout sooner. When dragging stops, backDropFrame needs to stay fullscreen 2311 // until the window to small size, otherwise the multithread renderer will shift last 2312 // one or more frame to wrong offset. So here we send fullscreen backdrop if either 2313 // isDragResizing() or isDragResizeChanged() is true. 2314 boolean resizing = isDragResizing() || isDragResizeChanged(); 2315 if (StackId.useWindowFrameForBackdrop(getStackId()) || !resizing) { 2316 return frame; 2317 } 2318 DisplayInfo displayInfo = getDisplayInfo(); 2319 mTmpRect.set(0, 0, displayInfo.logicalWidth, displayInfo.logicalHeight); 2320 return mTmpRect; 2321 } 2322 2323 @Override 2324 public int getStackId() { 2325 final TaskStack stack = getStack(); 2326 if (stack == null) { 2327 return INVALID_STACK_ID; 2328 } 2329 return stack.mStackId; 2330 } 2331 2332 private void dispatchResized(Rect frame, Rect overscanInsets, Rect contentInsets, 2333 Rect visibleInsets, Rect stableInsets, Rect outsets, boolean reportDraw, 2334 Configuration newConfig) throws RemoteException { 2335 final boolean forceRelayout = isDragResizeChanged() || mResizedWhileNotDragResizing; 2336 2337 mClient.resized(frame, overscanInsets, contentInsets, visibleInsets, stableInsets, outsets, 2338 reportDraw, newConfig, getBackdropFrame(frame), 2339 forceRelayout, mPolicy.isNavBarForcedShownLw(this)); 2340 mDragResizingChangeReported = true; 2341 } 2342 2343 public void registerFocusObserver(IWindowFocusObserver observer) { 2344 synchronized(mService.mWindowMap) { 2345 if (mFocusCallbacks == null) { 2346 mFocusCallbacks = new RemoteCallbackList<IWindowFocusObserver>(); 2347 } 2348 mFocusCallbacks.register(observer); 2349 } 2350 } 2351 2352 public void unregisterFocusObserver(IWindowFocusObserver observer) { 2353 synchronized(mService.mWindowMap) { 2354 if (mFocusCallbacks != null) { 2355 mFocusCallbacks.unregister(observer); 2356 } 2357 } 2358 } 2359 2360 public boolean isFocused() { 2361 synchronized(mService.mWindowMap) { 2362 return mService.mCurrentFocus == this; 2363 } 2364 } 2365 2366 boolean inFreeformWorkspace() { 2367 final Task task = getTask(); 2368 return task != null && task.inFreeformWorkspace(); 2369 } 2370 2371 @Override 2372 public boolean isInMultiWindowMode() { 2373 final Task task = getTask(); 2374 return task != null && !task.isFullscreen(); 2375 } 2376 2377 boolean isDragResizeChanged() { 2378 return mDragResizing != computeDragResizing(); 2379 } 2380 2381 /** 2382 * @return Whether we reported a drag resize change to the application or not already. 2383 */ 2384 boolean isDragResizingChangeReported() { 2385 return mDragResizingChangeReported; 2386 } 2387 2388 /** 2389 * Resets the state whether we reported a drag resize change to the app. 2390 */ 2391 void resetDragResizingChangeReported() { 2392 mDragResizingChangeReported = false; 2393 } 2394 2395 int getResizeMode() { 2396 return mResizeMode; 2397 } 2398 2399 boolean computeDragResizing() { 2400 final Task task = getTask(); 2401 if (task == null) { 2402 return false; 2403 } 2404 if (mAttrs.width != MATCH_PARENT || mAttrs.height != MATCH_PARENT) { 2405 2406 // Floating windows never enter drag resize mode. 2407 return false; 2408 } 2409 if (task.isDragResizing()) { 2410 return true; 2411 } 2412 2413 // If the bounds are currently frozen, it means that the layout size that the app sees 2414 // and the bounds we clip this window to might be different. In order to avoid holes, we 2415 // simulate that we are still resizing so the app fills the hole with the resizing 2416 // background. 2417 return (mDisplayContent.mDividerControllerLocked.isResizing() 2418 || mAppToken != null && !mAppToken.mFrozenBounds.isEmpty()) && 2419 !task.inFreeformWorkspace() && !isGoneForLayoutLw(); 2420 2421 } 2422 2423 void setDragResizing() { 2424 final boolean resizing = computeDragResizing(); 2425 if (resizing == mDragResizing) { 2426 return; 2427 } 2428 mDragResizing = resizing; 2429 final Task task = getTask(); 2430 if (task != null && task.isDragResizing()) { 2431 mResizeMode = task.getDragResizeMode(); 2432 } else { 2433 mResizeMode = mDragResizing && mDisplayContent.mDividerControllerLocked.isResizing() 2434 ? DRAG_RESIZE_MODE_DOCKED_DIVIDER 2435 : DRAG_RESIZE_MODE_FREEFORM; 2436 } 2437 } 2438 2439 boolean isDragResizing() { 2440 return mDragResizing; 2441 } 2442 2443 boolean isDockedResizing() { 2444 return mDragResizing && getResizeMode() == DRAG_RESIZE_MODE_DOCKED_DIVIDER; 2445 } 2446 2447 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 2448 final TaskStack stack = getStack(); 2449 pw.print(prefix); pw.print("mDisplayId="); pw.print(getDisplayId()); 2450 if (stack != null) { 2451 pw.print(" stackId="); pw.print(stack.mStackId); 2452 } 2453 if (mNotOnAppsDisplay) { 2454 pw.print(" mNotOnAppsDisplay="); pw.print(mNotOnAppsDisplay); 2455 } 2456 pw.print(" mSession="); pw.print(mSession); 2457 pw.print(" mClient="); pw.println(mClient.asBinder()); 2458 pw.print(prefix); pw.print("mOwnerUid="); pw.print(mOwnerUid); 2459 pw.print(" mShowToOwnerOnly="); pw.print(mShowToOwnerOnly); 2460 pw.print(" package="); pw.print(mAttrs.packageName); 2461 pw.print(" appop="); pw.println(AppOpsManager.opToName(mAppOp)); 2462 pw.print(prefix); pw.print("mAttrs="); pw.println(mAttrs); 2463 pw.print(prefix); pw.print("Requested w="); pw.print(mRequestedWidth); 2464 pw.print(" h="); pw.print(mRequestedHeight); 2465 pw.print(" mLayoutSeq="); pw.println(mLayoutSeq); 2466 if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) { 2467 pw.print(prefix); pw.print("LastRequested w="); pw.print(mLastRequestedWidth); 2468 pw.print(" h="); pw.println(mLastRequestedHeight); 2469 } 2470 if (isChildWindow() || mLayoutAttached) { 2471 pw.print(prefix); pw.print("mAttachedWindow="); pw.print(mAttachedWindow); 2472 pw.print(" mLayoutAttached="); pw.println(mLayoutAttached); 2473 } 2474 if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) { 2475 pw.print(prefix); pw.print("mIsImWindow="); pw.print(mIsImWindow); 2476 pw.print(" mIsWallpaper="); pw.print(mIsWallpaper); 2477 pw.print(" mIsFloatingLayer="); pw.print(mIsFloatingLayer); 2478 pw.print(" mWallpaperVisible="); pw.println(mWallpaperVisible); 2479 } 2480 if (dumpAll) { 2481 pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer); 2482 pw.print(" mSubLayer="); pw.print(mSubLayer); 2483 pw.print(" mAnimLayer="); pw.print(mLayer); pw.print("+"); 2484 pw.print((mTargetAppToken != null ? 2485 mTargetAppToken.mAppAnimator.animLayerAdjustment 2486 : (mAppToken != null ? mAppToken.mAppAnimator.animLayerAdjustment : 0))); 2487 pw.print("="); pw.print(mWinAnimator.mAnimLayer); 2488 pw.print(" mLastLayer="); pw.println(mWinAnimator.mLastLayer); 2489 } 2490 if (dumpAll) { 2491 pw.print(prefix); pw.print("mToken="); pw.println(mToken); 2492 pw.print(prefix); pw.print("mRootToken="); pw.println(mRootToken); 2493 if (mAppToken != null) { 2494 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 2495 pw.print(prefix); pw.print(" isAnimatingWithSavedSurface()="); 2496 pw.print(isAnimatingWithSavedSurface()); 2497 pw.print(" mAppDied=");pw.println(mAppDied); 2498 } 2499 if (mTargetAppToken != null) { 2500 pw.print(prefix); pw.print("mTargetAppToken="); pw.println(mTargetAppToken); 2501 } 2502 pw.print(prefix); pw.print("mViewVisibility=0x"); 2503 pw.print(Integer.toHexString(mViewVisibility)); 2504 pw.print(" mHaveFrame="); pw.print(mHaveFrame); 2505 pw.print(" mObscured="); pw.println(mObscured); 2506 pw.print(prefix); pw.print("mSeq="); pw.print(mSeq); 2507 pw.print(" mSystemUiVisibility=0x"); 2508 pw.println(Integer.toHexString(mSystemUiVisibility)); 2509 } 2510 if (!mPolicyVisibility || !mPolicyVisibilityAfterAnim || !mAppOpVisibility 2511 || mAttachedHidden) { 2512 pw.print(prefix); pw.print("mPolicyVisibility="); 2513 pw.print(mPolicyVisibility); 2514 pw.print(" mPolicyVisibilityAfterAnim="); 2515 pw.print(mPolicyVisibilityAfterAnim); 2516 pw.print(" mAppOpVisibility="); 2517 pw.print(mAppOpVisibility); 2518 pw.print(" mAttachedHidden="); pw.println(mAttachedHidden); 2519 } 2520 if (!mRelayoutCalled || mLayoutNeeded) { 2521 pw.print(prefix); pw.print("mRelayoutCalled="); pw.print(mRelayoutCalled); 2522 pw.print(" mLayoutNeeded="); pw.println(mLayoutNeeded); 2523 } 2524 if (mXOffset != 0 || mYOffset != 0) { 2525 pw.print(prefix); pw.print("Offsets x="); pw.print(mXOffset); 2526 pw.print(" y="); pw.println(mYOffset); 2527 } 2528 if (dumpAll) { 2529 pw.print(prefix); pw.print("mGivenContentInsets="); 2530 mGivenContentInsets.printShortString(pw); 2531 pw.print(" mGivenVisibleInsets="); 2532 mGivenVisibleInsets.printShortString(pw); 2533 pw.println(); 2534 if (mTouchableInsets != 0 || mGivenInsetsPending) { 2535 pw.print(prefix); pw.print("mTouchableInsets="); pw.print(mTouchableInsets); 2536 pw.print(" mGivenInsetsPending="); pw.println(mGivenInsetsPending); 2537 Region region = new Region(); 2538 getTouchableRegion(region); 2539 pw.print(prefix); pw.print("touchable region="); pw.println(region); 2540 } 2541 pw.print(prefix); pw.print("mConfiguration="); pw.println(mConfiguration); 2542 if (mOverrideConfig != Configuration.EMPTY) { 2543 pw.print(prefix); pw.print("mOverrideConfig="); pw.println(mOverrideConfig); 2544 } 2545 } 2546 pw.print(prefix); pw.print("mHasSurface="); pw.print(mHasSurface); 2547 pw.print(" mShownPosition="); mShownPosition.printShortString(pw); 2548 pw.print(" isReadyForDisplay()="); pw.print(isReadyForDisplay()); 2549 pw.print(" hasSavedSurface()="); pw.print(hasSavedSurface()); 2550 pw.print(" mWindowRemovalAllowed="); pw.println(mWindowRemovalAllowed); 2551 if (dumpAll) { 2552 pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw); 2553 pw.print(" last="); mLastFrame.printShortString(pw); 2554 pw.println(); 2555 } 2556 if (mEnforceSizeCompat) { 2557 pw.print(prefix); pw.print("mCompatFrame="); mCompatFrame.printShortString(pw); 2558 pw.println(); 2559 } 2560 if (dumpAll) { 2561 pw.print(prefix); pw.print("Frames: containing="); 2562 mContainingFrame.printShortString(pw); 2563 pw.print(" parent="); mParentFrame.printShortString(pw); 2564 pw.println(); 2565 pw.print(prefix); pw.print(" display="); mDisplayFrame.printShortString(pw); 2566 pw.print(" overscan="); mOverscanFrame.printShortString(pw); 2567 pw.println(); 2568 pw.print(prefix); pw.print(" content="); mContentFrame.printShortString(pw); 2569 pw.print(" visible="); mVisibleFrame.printShortString(pw); 2570 pw.println(); 2571 pw.print(prefix); pw.print(" decor="); mDecorFrame.printShortString(pw); 2572 pw.println(); 2573 pw.print(prefix); pw.print(" outset="); mOutsetFrame.printShortString(pw); 2574 pw.println(); 2575 pw.print(prefix); pw.print("Cur insets: overscan="); 2576 mOverscanInsets.printShortString(pw); 2577 pw.print(" content="); mContentInsets.printShortString(pw); 2578 pw.print(" visible="); mVisibleInsets.printShortString(pw); 2579 pw.print(" stable="); mStableInsets.printShortString(pw); 2580 pw.print(" surface="); mAttrs.surfaceInsets.printShortString(pw); 2581 pw.print(" outsets="); mOutsets.printShortString(pw); 2582 pw.println(); 2583 pw.print(prefix); pw.print("Lst insets: overscan="); 2584 mLastOverscanInsets.printShortString(pw); 2585 pw.print(" content="); mLastContentInsets.printShortString(pw); 2586 pw.print(" visible="); mLastVisibleInsets.printShortString(pw); 2587 pw.print(" stable="); mLastStableInsets.printShortString(pw); 2588 pw.print(" physical="); mLastOutsets.printShortString(pw); 2589 pw.print(" outset="); mLastOutsets.printShortString(pw); 2590 pw.println(); 2591 } 2592 pw.print(prefix); pw.print(mWinAnimator); pw.println(":"); 2593 mWinAnimator.dump(pw, prefix + " ", dumpAll); 2594 if (mAnimatingExit || mRemoveOnExit || mDestroying || mRemoved) { 2595 pw.print(prefix); pw.print("mAnimatingExit="); pw.print(mAnimatingExit); 2596 pw.print(" mRemoveOnExit="); pw.print(mRemoveOnExit); 2597 pw.print(" mDestroying="); pw.print(mDestroying); 2598 pw.print(" mRemoved="); pw.println(mRemoved); 2599 } 2600 if (mOrientationChanging || mAppFreezing || mTurnOnScreen) { 2601 pw.print(prefix); pw.print("mOrientationChanging="); 2602 pw.print(mOrientationChanging); 2603 pw.print(" mAppFreezing="); pw.print(mAppFreezing); 2604 pw.print(" mTurnOnScreen="); pw.println(mTurnOnScreen); 2605 } 2606 if (mLastFreezeDuration != 0) { 2607 pw.print(prefix); pw.print("mLastFreezeDuration="); 2608 TimeUtils.formatDuration(mLastFreezeDuration, pw); pw.println(); 2609 } 2610 if (mHScale != 1 || mVScale != 1) { 2611 pw.print(prefix); pw.print("mHScale="); pw.print(mHScale); 2612 pw.print(" mVScale="); pw.println(mVScale); 2613 } 2614 if (mWallpaperX != -1 || mWallpaperY != -1) { 2615 pw.print(prefix); pw.print("mWallpaperX="); pw.print(mWallpaperX); 2616 pw.print(" mWallpaperY="); pw.println(mWallpaperY); 2617 } 2618 if (mWallpaperXStep != -1 || mWallpaperYStep != -1) { 2619 pw.print(prefix); pw.print("mWallpaperXStep="); pw.print(mWallpaperXStep); 2620 pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep); 2621 } 2622 if (mWallpaperDisplayOffsetX != Integer.MIN_VALUE 2623 || mWallpaperDisplayOffsetY != Integer.MIN_VALUE) { 2624 pw.print(prefix); pw.print("mWallpaperDisplayOffsetX="); 2625 pw.print(mWallpaperDisplayOffsetX); 2626 pw.print(" mWallpaperDisplayOffsetY="); 2627 pw.println(mWallpaperDisplayOffsetY); 2628 } 2629 if (mDrawLock != null) { 2630 pw.print(prefix); pw.println("mDrawLock=" + mDrawLock); 2631 } 2632 if (isDragResizing()) { 2633 pw.print(prefix); pw.println("isDragResizing=" + isDragResizing()); 2634 } 2635 if (computeDragResizing()) { 2636 pw.print(prefix); pw.println("computeDragResizing=" + computeDragResizing()); 2637 } 2638 } 2639 2640 String makeInputChannelName() { 2641 return Integer.toHexString(System.identityHashCode(this)) 2642 + " " + getWindowTag(); 2643 } 2644 2645 CharSequence getWindowTag() { 2646 CharSequence tag = mAttrs.getTitle(); 2647 if (tag == null || tag.length() <= 0) { 2648 tag = mAttrs.packageName; 2649 } 2650 return tag; 2651 } 2652 2653 @Override 2654 public String toString() { 2655 final CharSequence title = getWindowTag(); 2656 if (mStringNameCache == null || mLastTitle != title || mWasExiting != mAnimatingExit) { 2657 mLastTitle = title; 2658 mWasExiting = mAnimatingExit; 2659 mStringNameCache = "Window{" + Integer.toHexString(System.identityHashCode(this)) 2660 + " u" + UserHandle.getUserId(mSession.mUid) 2661 + " " + mLastTitle + (mAnimatingExit ? " EXITING}" : "}"); 2662 } 2663 return mStringNameCache; 2664 } 2665 2666 void transformFromScreenToSurfaceSpace(Rect rect) { 2667 if (mHScale >= 0) { 2668 rect.left = (int) (rect.left / mHScale); 2669 rect.right = (int) (rect.right / mHScale); 2670 } 2671 if (mVScale >= 0) { 2672 rect.top = (int) (rect.top / mVScale); 2673 rect.bottom = (int) (rect.bottom / mVScale); 2674 } 2675 } 2676 2677 void applyGravityAndUpdateFrame(Rect containingFrame, Rect displayFrame) { 2678 final int pw = containingFrame.width(); 2679 final int ph = containingFrame.height(); 2680 final Task task = getTask(); 2681 final boolean nonFullscreenTask = isInMultiWindowMode(); 2682 final boolean noLimits = (mAttrs.flags & FLAG_LAYOUT_NO_LIMITS) != 0; 2683 2684 // We need to fit it to the display if either 2685 // a) The task is fullscreen, or we don't have a task (we assume fullscreen for the taskless 2686 // windows) 2687 // b) If it's a child window, we also need to fit it to the display unless 2688 // FLAG_LAYOUT_NO_LIMITS is set. This is so we place Popup and similar windows on screen, 2689 // but SurfaceViews want to be always at a specific location so we don't fit it to the 2690 // display. 2691 final boolean fitToDisplay = (task == null || !nonFullscreenTask) 2692 || (isChildWindow() && !noLimits); 2693 float x, y; 2694 int w,h; 2695 2696 if ((mAttrs.flags & FLAG_SCALED) != 0) { 2697 if (mAttrs.width < 0) { 2698 w = pw; 2699 } else if (mEnforceSizeCompat) { 2700 w = (int)(mAttrs.width * mGlobalScale + .5f); 2701 } else { 2702 w = mAttrs.width; 2703 } 2704 if (mAttrs.height < 0) { 2705 h = ph; 2706 } else if (mEnforceSizeCompat) { 2707 h = (int)(mAttrs.height * mGlobalScale + .5f); 2708 } else { 2709 h = mAttrs.height; 2710 } 2711 } else { 2712 if (mAttrs.width == MATCH_PARENT) { 2713 w = pw; 2714 } else if (mEnforceSizeCompat) { 2715 w = (int)(mRequestedWidth * mGlobalScale + .5f); 2716 } else { 2717 w = mRequestedWidth; 2718 } 2719 if (mAttrs.height == MATCH_PARENT) { 2720 h = ph; 2721 } else if (mEnforceSizeCompat) { 2722 h = (int)(mRequestedHeight * mGlobalScale + .5f); 2723 } else { 2724 h = mRequestedHeight; 2725 } 2726 } 2727 2728 if (mEnforceSizeCompat) { 2729 x = mAttrs.x * mGlobalScale; 2730 y = mAttrs.y * mGlobalScale; 2731 } else { 2732 x = mAttrs.x; 2733 y = mAttrs.y; 2734 } 2735 2736 if (nonFullscreenTask && !layoutInParentFrame()) { 2737 // Make sure window fits in containing frame since it is in a non-fullscreen task as 2738 // required by {@link Gravity#apply} call. 2739 w = Math.min(w, pw); 2740 h = Math.min(h, ph); 2741 } 2742 2743 // Set mFrame 2744 Gravity.apply(mAttrs.gravity, w, h, containingFrame, 2745 (int) (x + mAttrs.horizontalMargin * pw), 2746 (int) (y + mAttrs.verticalMargin * ph), mFrame); 2747 2748 // Now make sure the window fits in the overall display frame. 2749 if (fitToDisplay) { 2750 Gravity.applyDisplay(mAttrs.gravity, displayFrame, mFrame); 2751 } 2752 2753 // We need to make sure we update the CompatFrame as it is used for 2754 // cropping decisions, etc, on systems where we lack a decor layer. 2755 mCompatFrame.set(mFrame); 2756 if (mEnforceSizeCompat) { 2757 // See comparable block in computeFrameLw. 2758 mCompatFrame.scale(mInvGlobalScale); 2759 } 2760 } 2761 2762 boolean isChildWindow() { 2763 return mAttachedWindow != null; 2764 } 2765 2766 boolean layoutInParentFrame() { 2767 return isChildWindow() && (mAttrs.privateFlags & PRIVATE_FLAG_LAYOUT_CHILD_WINDOW_IN_PARENT_FRAME) != 0; 2768 } 2769 2770 void setReplacing(boolean animate) { 2771 if ((mAttrs.privateFlags & PRIVATE_FLAG_WILL_NOT_REPLACE_ON_RELAUNCH) != 0 2772 || mAttrs.type == TYPE_APPLICATION_STARTING) { 2773 // We don't set replacing on starting windows since they are added by window manager and 2774 // not the client so won't be replaced by the client. 2775 return; 2776 } 2777 2778 mWillReplaceWindow = true; 2779 mReplacingWindow = null; 2780 mAnimateReplacingWindow = animate; 2781 } 2782 2783 void resetReplacing() { 2784 mWillReplaceWindow = false; 2785 mReplacingWindow = null; 2786 mAnimateReplacingWindow = false; 2787 } 2788 2789 void requestUpdateWallpaperIfNeeded() { 2790 if (mDisplayContent != null && (mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0) { 2791 mDisplayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER; 2792 mDisplayContent.layoutNeeded = true; 2793 mService.mWindowPlacerLocked.requestTraversal(); 2794 } 2795 } 2796 2797 float translateToWindowX(float x) { 2798 float winX = x - mFrame.left; 2799 if (mEnforceSizeCompat) { 2800 winX *= mGlobalScale; 2801 } 2802 return winX; 2803 } 2804 2805 float translateToWindowY(float y) { 2806 float winY = y - mFrame.top; 2807 if (mEnforceSizeCompat) { 2808 winY *= mGlobalScale; 2809 } 2810 return winY; 2811 } 2812 2813 void transferDimToReplacement() { 2814 final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser(); 2815 if (dimLayerUser != null && mDisplayContent != null) { 2816 mDisplayContent.mDimLayerController.applyDim(dimLayerUser, 2817 mReplacingWindow.mWinAnimator, 2818 (mAttrs.flags & FLAG_DIM_BEHIND) != 0 ? true : false); 2819 } 2820 } 2821 2822 // During activity relaunch due to resize, we sometimes use window replacement 2823 // for only child windows (as the main window is handled by window preservation) 2824 // and the big surface. 2825 // 2826 // Though windows of TYPE_APPLICATION (as opposed to TYPE_BASE_APPLICATION) 2827 // are not children in the sense of an attached window, we also want to replace 2828 // them at such phases, as they won't be covered by window preservation, 2829 // and in general we expect them to return following relaunch. 2830 boolean shouldBeReplacedWithChildren() { 2831 return isChildWindow() || mAttrs.type == TYPE_APPLICATION; 2832 } 2833} 2834