WindowState.java revision 59c009776dae5ccbdfb93d7151ff2065ca049dc3
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 static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW; 20import static android.view.WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; 21import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW; 22import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; 23import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; 24import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; 25 26import com.android.server.input.InputWindowHandle; 27 28import android.content.Context; 29import android.content.res.Configuration; 30import android.graphics.Matrix; 31import android.graphics.PixelFormat; 32import android.graphics.Rect; 33import android.graphics.RectF; 34import android.graphics.Region; 35import android.os.IBinder; 36import android.os.RemoteException; 37import android.util.Slog; 38import android.view.DisplayInfo; 39import android.view.Gravity; 40import android.view.IApplicationToken; 41import android.view.IWindow; 42import android.view.InputChannel; 43import android.view.View; 44import android.view.ViewTreeObserver; 45import android.view.WindowManager; 46import android.view.WindowManagerPolicy; 47 48import java.io.PrintWriter; 49import java.util.ArrayList; 50 51class WindowList extends ArrayList<WindowState> { 52} 53 54/** 55 * A window in the window manager. 56 */ 57final class WindowState implements WindowManagerPolicy.WindowState { 58 static final String TAG = "WindowState"; 59 60 static final boolean DEBUG_VISIBILITY = WindowManagerService.DEBUG_VISIBILITY; 61 static final boolean SHOW_TRANSACTIONS = WindowManagerService.SHOW_TRANSACTIONS; 62 static final boolean SHOW_LIGHT_TRANSACTIONS = WindowManagerService.SHOW_LIGHT_TRANSACTIONS; 63 static final boolean SHOW_SURFACE_ALLOC = WindowManagerService.SHOW_SURFACE_ALLOC; 64 65 final WindowManagerService mService; 66 final WindowManagerPolicy mPolicy; 67 final Context mContext; 68 final Session mSession; 69 final IWindow mClient; 70 WindowToken mToken; 71 WindowToken mRootToken; 72 AppWindowToken mAppToken; 73 AppWindowToken mTargetAppToken; 74 75 // mAttrs.flags is tested in animation without being locked. If the bits tested are ever 76 // modified they will need to be locked. 77 final WindowManager.LayoutParams mAttrs = new WindowManager.LayoutParams(); 78 final DeathRecipient mDeathRecipient; 79 final WindowState mAttachedWindow; 80 final ArrayList<WindowState> mChildWindows = new ArrayList<WindowState>(); 81 final int mBaseLayer; 82 final int mSubLayer; 83 final boolean mLayoutAttached; 84 final boolean mIsImWindow; 85 final boolean mIsWallpaper; 86 final boolean mIsFloatingLayer; 87 int mSeq; 88 boolean mEnforceSizeCompat; 89 int mViewVisibility; 90 int mSystemUiVisibility; 91 boolean mPolicyVisibility = true; 92 boolean mPolicyVisibilityAfterAnim = true; 93 boolean mAppFreezing; 94 boolean mAttachedHidden; // is our parent window hidden? 95 boolean mWallpaperVisible; // for wallpaper, what was last vis report? 96 97 /** 98 * The window size that was requested by the application. These are in 99 * the application's coordinate space (without compatibility scale applied). 100 */ 101 int mRequestedWidth; 102 int mRequestedHeight; 103 int mLastRequestedWidth; 104 int mLastRequestedHeight; 105 106 int mLayer; 107 boolean mHaveFrame; 108 boolean mObscured; 109 boolean mTurnOnScreen; 110 111 int mLayoutSeq = -1; 112 113 Configuration mConfiguration = null; 114 115 /** 116 * Actual frame shown on-screen (may be modified by animation). These 117 * are in the screen's coordinate space (WITH the compatibility scale 118 * applied). 119 */ 120 final RectF mShownFrame = new RectF(); 121 122 /** 123 * Insets that determine the actually visible area. These are in the application's 124 * coordinate space (without compatibility scale applied). 125 */ 126 final Rect mVisibleInsets = new Rect(); 127 final Rect mLastVisibleInsets = new Rect(); 128 boolean mVisibleInsetsChanged; 129 130 /** 131 * Insets that are covered by system windows (such as the status bar) and 132 * transient docking windows (such as the IME). These are in the application's 133 * coordinate space (without compatibility scale applied). 134 */ 135 final Rect mContentInsets = new Rect(); 136 final Rect mLastContentInsets = new Rect(); 137 boolean mContentInsetsChanged; 138 139 /** 140 * Set to true if we are waiting for this window to receive its 141 * given internal insets before laying out other windows based on it. 142 */ 143 boolean mGivenInsetsPending; 144 145 /** 146 * These are the content insets that were given during layout for 147 * this window, to be applied to windows behind it. 148 */ 149 final Rect mGivenContentInsets = new Rect(); 150 151 /** 152 * These are the visible insets that were given during layout for 153 * this window, to be applied to windows behind it. 154 */ 155 final Rect mGivenVisibleInsets = new Rect(); 156 157 /** 158 * This is the given touchable area relative to the window frame, or null if none. 159 */ 160 final Region mGivenTouchableRegion = new Region(); 161 162 /** 163 * Flag indicating whether the touchable region should be adjusted by 164 * the visible insets; if false the area outside the visible insets is 165 * NOT touchable, so we must use those to adjust the frame during hit 166 * tests. 167 */ 168 int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME; 169 170 /** 171 * This is rectangle of the window's surface that is not covered by 172 * system decorations. 173 */ 174 final Rect mSystemDecorRect = new Rect(); 175 final Rect mLastSystemDecorRect = new Rect(); 176 177 // Current transformation being applied. 178 float mGlobalScale=1; 179 float mInvGlobalScale=1; 180 float mHScale=1, mVScale=1; 181 float mLastHScale=1, mLastVScale=1; 182 final Matrix mTmpMatrix = new Matrix(); 183 184 // "Real" frame that the application sees, in display coordinate space. 185 final Rect mFrame = new Rect(); 186 final Rect mLastFrame = new Rect(); 187 // Frame that is scaled to the application's coordinate space when in 188 // screen size compatibility mode. 189 final Rect mCompatFrame = new Rect(); 190 191 final Rect mContainingFrame = new Rect(); 192 final Rect mDisplayFrame = new Rect(); 193 final Rect mContentFrame = new Rect(); 194 final Rect mParentFrame = new Rect(); 195 final Rect mVisibleFrame = new Rect(); 196 197 boolean mContentChanged; 198 199 // If a window showing a wallpaper: the requested offset for the 200 // wallpaper; if a wallpaper window: the currently applied offset. 201 float mWallpaperX = -1; 202 float mWallpaperY = -1; 203 204 // If a window showing a wallpaper: what fraction of the offset 205 // range corresponds to a full virtual screen. 206 float mWallpaperXStep = -1; 207 float mWallpaperYStep = -1; 208 209 // Wallpaper windows: pixels offset based on above variables. 210 int mXOffset; 211 int mYOffset; 212 213 // This is set after IWindowSession.relayout() has been called at 214 // least once for the window. It allows us to detect the situation 215 // where we don't yet have a surface, but should have one soon, so 216 // we can give the window focus before waiting for the relayout. 217 boolean mRelayoutCalled; 218 219 // If the application has called relayout() with changes that can 220 // impact its window's size, we need to perform a layout pass on it 221 // even if it is not currently visible for layout. This is set 222 // when in that case until the layout is done. 223 boolean mLayoutNeeded; 224 225 // Currently running an exit animation? 226 boolean mExiting; 227 228 // Currently on the mDestroySurface list? 229 boolean mDestroying; 230 231 // Completely remove from window manager after exit animation? 232 boolean mRemoveOnExit; 233 234 // Set when the orientation is changing and this window has not yet 235 // been updated for the new orientation. 236 boolean mOrientationChanging; 237 238 // Is this window now (or just being) removed? 239 boolean mRemoved; 240 241 // Temp for keeping track of windows that have been removed when 242 // rebuilding window list. 243 boolean mRebuilding; 244 245 // Input channel and input window handle used by the input dispatcher. 246 final InputWindowHandle mInputWindowHandle; 247 InputChannel mInputChannel; 248 249 // Used to improve performance of toString() 250 String mStringNameCache; 251 CharSequence mLastTitle; 252 boolean mWasPaused; 253 254 final WindowStateAnimator mWinAnimator; 255 256 boolean mHasSurface = false; 257 258 DisplayContent mDisplayContent; 259 260 WindowState(WindowManagerService service, Session s, IWindow c, WindowToken token, 261 WindowState attachedWindow, int seq, WindowManager.LayoutParams a, 262 int viewVisibility, final DisplayContent displayContent) { 263 mService = service; 264 mSession = s; 265 mClient = c; 266 mToken = token; 267 mAttrs.copyFrom(a); 268 mViewVisibility = viewVisibility; 269 mDisplayContent = displayContent; 270 mPolicy = mService.mPolicy; 271 mContext = mService.mContext; 272 DeathRecipient deathRecipient = new DeathRecipient(); 273 mSeq = seq; 274 mEnforceSizeCompat = (mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0; 275 if (WindowManagerService.localLOGV) Slog.v( 276 TAG, "Window " + this + " client=" + c.asBinder() 277 + " token=" + token + " (" + mAttrs.token + ")"); 278 try { 279 c.asBinder().linkToDeath(deathRecipient, 0); 280 } catch (RemoteException e) { 281 mDeathRecipient = null; 282 mAttachedWindow = null; 283 mLayoutAttached = false; 284 mIsImWindow = false; 285 mIsWallpaper = false; 286 mIsFloatingLayer = false; 287 mBaseLayer = 0; 288 mSubLayer = 0; 289 mInputWindowHandle = null; 290 mWinAnimator = null; 291 return; 292 } 293 mDeathRecipient = deathRecipient; 294 295 if ((mAttrs.type >= FIRST_SUB_WINDOW && 296 mAttrs.type <= LAST_SUB_WINDOW)) { 297 // The multiplier here is to reserve space for multiple 298 // windows in the same type layer. 299 mBaseLayer = mPolicy.windowTypeToLayerLw( 300 attachedWindow.mAttrs.type) * WindowManagerService.TYPE_LAYER_MULTIPLIER 301 + WindowManagerService.TYPE_LAYER_OFFSET; 302 mSubLayer = mPolicy.subWindowTypeToLayerLw(a.type); 303 mAttachedWindow = attachedWindow; 304 if (WindowManagerService.DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + this + " to " + mAttachedWindow); 305 mAttachedWindow.mChildWindows.add(this); 306 mLayoutAttached = mAttrs.type != 307 WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG; 308 mIsImWindow = attachedWindow.mAttrs.type == TYPE_INPUT_METHOD 309 || attachedWindow.mAttrs.type == TYPE_INPUT_METHOD_DIALOG; 310 mIsWallpaper = attachedWindow.mAttrs.type == TYPE_WALLPAPER; 311 mIsFloatingLayer = mIsImWindow || mIsWallpaper; 312 } else { 313 // The multiplier here is to reserve space for multiple 314 // windows in the same type layer. 315 mBaseLayer = mPolicy.windowTypeToLayerLw(a.type) 316 * WindowManagerService.TYPE_LAYER_MULTIPLIER 317 + WindowManagerService.TYPE_LAYER_OFFSET; 318 mSubLayer = 0; 319 mAttachedWindow = null; 320 mLayoutAttached = false; 321 mIsImWindow = mAttrs.type == TYPE_INPUT_METHOD 322 || mAttrs.type == TYPE_INPUT_METHOD_DIALOG; 323 mIsWallpaper = mAttrs.type == TYPE_WALLPAPER; 324 mIsFloatingLayer = mIsImWindow || mIsWallpaper; 325 } 326 327 WindowState appWin = this; 328 while (appWin.mAttachedWindow != null) { 329 appWin = appWin.mAttachedWindow; 330 } 331 WindowToken appToken = appWin.mToken; 332 while (appToken.appWindowToken == null) { 333 WindowToken parent = mService.mTokenMap.get(appToken.token); 334 if (parent == null || appToken == parent) { 335 break; 336 } 337 appToken = parent; 338 } 339 mRootToken = appToken; 340 mAppToken = appToken.appWindowToken; 341 342 mWinAnimator = new WindowStateAnimator(this); 343 mWinAnimator.mAlpha = a.alpha; 344 345 mRequestedWidth = 0; 346 mRequestedHeight = 0; 347 mLastRequestedWidth = 0; 348 mLastRequestedHeight = 0; 349 mXOffset = 0; 350 mYOffset = 0; 351 mLayer = 0; 352 mInputWindowHandle = new InputWindowHandle( 353 mAppToken != null ? mAppToken.mInputApplicationHandle : null, this, 354 displayContent.getDisplayId()); 355 } 356 357 void attach() { 358 if (WindowManagerService.localLOGV) Slog.v( 359 TAG, "Attaching " + this + " token=" + mToken 360 + ", list=" + mToken.windows); 361 mSession.windowAddedLocked(); 362 } 363 364 @Override 365 public void computeFrameLw(Rect pf, Rect df, Rect cf, Rect vf) { 366 mHaveFrame = true; 367 368 final Rect container = mContainingFrame; 369 container.set(pf); 370 371 final Rect display = mDisplayFrame; 372 display.set(df); 373 374 final int pw = container.right - container.left; 375 final int ph = container.bottom - container.top; 376 377 int w,h; 378 if ((mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0) { 379 if (mAttrs.width < 0) { 380 w = pw; 381 } else if (mEnforceSizeCompat) { 382 w = (int)(mAttrs.width * mGlobalScale + .5f); 383 } else { 384 w = mAttrs.width; 385 } 386 if (mAttrs.height < 0) { 387 h = ph; 388 } else if (mEnforceSizeCompat) { 389 h = (int)(mAttrs.height * mGlobalScale + .5f); 390 } else { 391 h = mAttrs.height; 392 } 393 } else { 394 if (mAttrs.width == WindowManager.LayoutParams.MATCH_PARENT) { 395 w = pw; 396 } else if (mEnforceSizeCompat) { 397 w = (int)(mRequestedWidth * mGlobalScale + .5f); 398 } else { 399 w = mRequestedWidth; 400 } 401 if (mAttrs.height == WindowManager.LayoutParams.MATCH_PARENT) { 402 h = ph; 403 } else if (mEnforceSizeCompat) { 404 h = (int)(mRequestedHeight * mGlobalScale + .5f); 405 } else { 406 h = mRequestedHeight; 407 } 408 } 409 410 if (!mParentFrame.equals(pf)) { 411 //Slog.i(TAG, "Window " + this + " content frame from " + mParentFrame 412 // + " to " + pf); 413 mParentFrame.set(pf); 414 mContentChanged = true; 415 } 416 if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) { 417 mLastRequestedWidth = mRequestedWidth; 418 mLastRequestedHeight = mRequestedHeight; 419 mContentChanged = true; 420 } 421 422 final Rect content = mContentFrame; 423 content.set(cf); 424 425 final Rect visible = mVisibleFrame; 426 visible.set(vf); 427 428 final Rect frame = mFrame; 429 final int fw = frame.width(); 430 final int fh = frame.height(); 431 432 //System.out.println("In: w=" + w + " h=" + h + " container=" + 433 // container + " x=" + mAttrs.x + " y=" + mAttrs.y); 434 435 float x, y; 436 if (mEnforceSizeCompat) { 437 x = mAttrs.x * mGlobalScale; 438 y = mAttrs.y * mGlobalScale; 439 } else { 440 x = mAttrs.x; 441 y = mAttrs.y; 442 } 443 444 Gravity.apply(mAttrs.gravity, w, h, container, 445 (int) (x + mAttrs.horizontalMargin * pw), 446 (int) (y + mAttrs.verticalMargin * ph), frame); 447 448 //System.out.println("Out: " + mFrame); 449 450 // Now make sure the window fits in the overall display. 451 Gravity.applyDisplay(mAttrs.gravity, df, frame); 452 453 // Make sure the system, content and visible frames are inside of the 454 // final window frame. 455 if (content.left < frame.left) content.left = frame.left; 456 if (content.top < frame.top) content.top = frame.top; 457 if (content.right > frame.right) content.right = frame.right; 458 if (content.bottom > frame.bottom) content.bottom = frame.bottom; 459 if (visible.left < frame.left) visible.left = frame.left; 460 if (visible.top < frame.top) visible.top = frame.top; 461 if (visible.right > frame.right) visible.right = frame.right; 462 if (visible.bottom > frame.bottom) visible.bottom = frame.bottom; 463 464 final Rect contentInsets = mContentInsets; 465 contentInsets.left = content.left-frame.left; 466 contentInsets.top = content.top-frame.top; 467 contentInsets.right = frame.right-content.right; 468 contentInsets.bottom = frame.bottom-content.bottom; 469 470 final Rect visibleInsets = mVisibleInsets; 471 visibleInsets.left = visible.left-frame.left; 472 visibleInsets.top = visible.top-frame.top; 473 visibleInsets.right = frame.right-visible.right; 474 visibleInsets.bottom = frame.bottom-visible.bottom; 475 476 mCompatFrame.set(frame); 477 if (mEnforceSizeCompat) { 478 // If there is a size compatibility scale being applied to the 479 // window, we need to apply this to its insets so that they are 480 // reported to the app in its coordinate space. 481 contentInsets.scale(mInvGlobalScale); 482 visibleInsets.scale(mInvGlobalScale); 483 484 // Also the scaled frame that we report to the app needs to be 485 // adjusted to be in its coordinate space. 486 mCompatFrame.scale(mInvGlobalScale); 487 } 488 489 if (mIsWallpaper && (fw != frame.width() || fh != frame.height())) { 490 final DisplayInfo displayInfo = mDisplayContent.getDisplayInfo(); 491 mService.updateWallpaperOffsetLocked(this, displayInfo.appWidth, displayInfo.appHeight, 492 false); 493 } 494 495 if (WindowManagerService.localLOGV) { 496 //if ("com.google.android.youtube".equals(mAttrs.packageName) 497 // && mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) { 498 Slog.v(TAG, "Resolving (mRequestedWidth=" 499 + mRequestedWidth + ", mRequestedheight=" 500 + mRequestedHeight + ") to" + " (pw=" + pw + ", ph=" + ph 501 + "): frame=" + mFrame.toShortString() 502 + " ci=" + contentInsets.toShortString() 503 + " vi=" + visibleInsets.toShortString()); 504 //} 505 } 506 } 507 508 @Override 509 public Rect getFrameLw() { 510 return mFrame; 511 } 512 513 @Override 514 public RectF getShownFrameLw() { 515 return mShownFrame; 516 } 517 518 @Override 519 public Rect getDisplayFrameLw() { 520 return mDisplayFrame; 521 } 522 523 @Override 524 public Rect getContentFrameLw() { 525 return mContentFrame; 526 } 527 528 @Override 529 public Rect getVisibleFrameLw() { 530 return mVisibleFrame; 531 } 532 533 @Override 534 public boolean getGivenInsetsPendingLw() { 535 return mGivenInsetsPending; 536 } 537 538 @Override 539 public Rect getGivenContentInsetsLw() { 540 return mGivenContentInsets; 541 } 542 543 @Override 544 public Rect getGivenVisibleInsetsLw() { 545 return mGivenVisibleInsets; 546 } 547 548 @Override 549 public WindowManager.LayoutParams getAttrs() { 550 return mAttrs; 551 } 552 553 public boolean getNeedsMenuLw(WindowManagerPolicy.WindowState bottom) { 554 int index = -1; 555 WindowState ws = this; 556 WindowList windows = getWindowList(); 557 while (true) { 558 if ((ws.mAttrs.privateFlags 559 & WindowManager.LayoutParams.PRIVATE_FLAG_SET_NEEDS_MENU_KEY) != 0) { 560 return (ws.mAttrs.flags & WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY) != 0; 561 } 562 // If we reached the bottom of the range of windows we are considering, 563 // assume no menu is needed. 564 if (ws == bottom) { 565 return false; 566 } 567 // The current window hasn't specified whether menu key is needed; 568 // look behind it. 569 // First, we may need to determine the starting position. 570 if (index < 0) { 571 index = windows.indexOf(ws); 572 } 573 index--; 574 if (index < 0) { 575 return false; 576 } 577 ws = windows.get(index); 578 } 579 } 580 581 public int getSystemUiVisibility() { 582 return mSystemUiVisibility; 583 } 584 585 public int getSurfaceLayer() { 586 return mLayer; 587 } 588 589 public IApplicationToken getAppToken() { 590 return mAppToken != null ? mAppToken.appToken : null; 591 } 592 593 public long getInputDispatchingTimeoutNanos() { 594 return mAppToken != null 595 ? mAppToken.inputDispatchingTimeoutNanos 596 : WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; 597 } 598 599 public boolean hasAppShownWindows() { 600 return mAppToken != null && (mAppToken.firstWindowDrawn || mAppToken.startingDisplayed); 601 } 602 603 boolean isIdentityMatrix(float dsdx, float dtdx, float dsdy, float dtdy) { 604 if (dsdx < .99999f || dsdx > 1.00001f) return false; 605 if (dtdy < .99999f || dtdy > 1.00001f) return false; 606 if (dtdx < -.000001f || dtdx > .000001f) return false; 607 if (dsdy < -.000001f || dsdy > .000001f) return false; 608 return true; 609 } 610 611 void prelayout() { 612 if (mEnforceSizeCompat) { 613 mGlobalScale = mService.mCompatibleScreenScale; 614 mInvGlobalScale = 1/mGlobalScale; 615 } else { 616 mGlobalScale = mInvGlobalScale = 1; 617 } 618 } 619 620 /** 621 * Is this window visible? It is not visible if there is no 622 * surface, or we are in the process of running an exit animation 623 * that will remove the surface, or its app token has been hidden. 624 */ 625 public boolean isVisibleLw() { 626 final AppWindowToken atoken = mAppToken; 627 return mHasSurface && mPolicyVisibility && !mAttachedHidden 628 && (atoken == null || !atoken.hiddenRequested) 629 && !mExiting && !mDestroying; 630 } 631 632 /** 633 * Like {@link #isVisibleLw}, but also counts a window that is currently 634 * "hidden" behind the keyguard as visible. This allows us to apply 635 * things like window flags that impact the keyguard. 636 * XXX I am starting to think we need to have ANOTHER visibility flag 637 * for this "hidden behind keyguard" state rather than overloading 638 * mPolicyVisibility. Ungh. 639 */ 640 public boolean isVisibleOrBehindKeyguardLw() { 641 if (mRootToken.waitingToShow && 642 mService.mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { 643 return false; 644 } 645 final AppWindowToken atoken = mAppToken; 646 final boolean animating = atoken != null 647 ? (atoken.mAppAnimator.animation != null) : false; 648 return mHasSurface && !mDestroying && !mExiting 649 && (atoken == null ? mPolicyVisibility : !atoken.hiddenRequested) 650 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE 651 && !mRootToken.hidden) 652 || mWinAnimator.mAnimation != null || animating); 653 } 654 655 /** 656 * Is this window visible, ignoring its app token? It is not visible 657 * if there is no surface, or we are in the process of running an exit animation 658 * that will remove the surface. 659 */ 660 public boolean isWinVisibleLw() { 661 final AppWindowToken atoken = mAppToken; 662 return mHasSurface && mPolicyVisibility && !mAttachedHidden 663 && (atoken == null || !atoken.hiddenRequested || atoken.mAppAnimator.animating) 664 && !mExiting && !mDestroying; 665 } 666 667 /** 668 * The same as isVisible(), but follows the current hidden state of 669 * the associated app token, not the pending requested hidden state. 670 */ 671 boolean isVisibleNow() { 672 return mHasSurface && mPolicyVisibility && !mAttachedHidden 673 && !mRootToken.hidden && !mExiting && !mDestroying; 674 } 675 676 /** 677 * Can this window possibly be a drag/drop target? The test here is 678 * a combination of the above "visible now" with the check that the 679 * Input Manager uses when discarding windows from input consideration. 680 */ 681 boolean isPotentialDragTarget() { 682 return isVisibleNow() && !mRemoved 683 && mInputChannel != null && mInputWindowHandle != null; 684 } 685 686 /** 687 * Same as isVisible(), but we also count it as visible between the 688 * call to IWindowSession.add() and the first relayout(). 689 */ 690 boolean isVisibleOrAdding() { 691 final AppWindowToken atoken = mAppToken; 692 return (mHasSurface || (!mRelayoutCalled && mViewVisibility == View.VISIBLE)) 693 && mPolicyVisibility && !mAttachedHidden 694 && (atoken == null || !atoken.hiddenRequested) 695 && !mExiting && !mDestroying; 696 } 697 698 /** 699 * Is this window currently on-screen? It is on-screen either if it 700 * is visible or it is currently running an animation before no longer 701 * being visible. 702 */ 703 boolean isOnScreen() { 704 if (!mHasSurface || !mPolicyVisibility || mDestroying) { 705 return false; 706 } 707 final AppWindowToken atoken = mAppToken; 708 if (atoken != null) { 709 return ((!mAttachedHidden && !atoken.hiddenRequested) 710 || mWinAnimator.mAnimation != null || atoken.mAppAnimator.animation != null); 711 } 712 return !mAttachedHidden || mWinAnimator.mAnimation != null; 713 } 714 715 /** 716 * Like isOnScreen(), but we don't return true if the window is part 717 * of a transition that has not yet been started. 718 */ 719 boolean isReadyForDisplay() { 720 if (mRootToken.waitingToShow && 721 mService.mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { 722 return false; 723 } 724 return mHasSurface && mPolicyVisibility && !mDestroying 725 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE 726 && !mRootToken.hidden) 727 || mWinAnimator.mAnimation != null 728 || ((mAppToken != null) && (mAppToken.mAppAnimator.animation != null))); 729 } 730 731 /** 732 * Like isReadyForDisplay(), but ignores any force hiding of the window due 733 * to the keyguard. 734 */ 735 boolean isReadyForDisplayIgnoringKeyguard() { 736 if (mRootToken.waitingToShow && 737 mService.mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) { 738 return false; 739 } 740 final AppWindowToken atoken = mAppToken; 741 if (atoken == null && !mPolicyVisibility) { 742 // If this is not an app window, and the policy has asked to force 743 // hide, then we really do want to hide. 744 return false; 745 } 746 return mHasSurface && !mDestroying 747 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE 748 && !mRootToken.hidden) 749 || mWinAnimator.mAnimation != null 750 || ((atoken != null) && (atoken.mAppAnimator.animation != null) 751 && !mWinAnimator.isDummyAnimation())); 752 } 753 754 /** 755 * Like isOnScreen, but returns false if the surface hasn't yet 756 * been drawn. 757 */ 758 public boolean isDisplayedLw() { 759 final AppWindowToken atoken = mAppToken; 760 return isDrawnLw() && mPolicyVisibility 761 && ((!mAttachedHidden && 762 (atoken == null || !atoken.hiddenRequested)) 763 || mWinAnimator.mAnimating); 764 } 765 766 /** 767 * Return true if this window (or a window it is attached to, but not 768 * considering its app token) is currently animating. 769 */ 770 public boolean isAnimatingLw() { 771 return mWinAnimator.mAnimation != null; 772 } 773 774 public boolean isGoneForLayoutLw() { 775 final AppWindowToken atoken = mAppToken; 776 return mViewVisibility == View.GONE 777 || !mRelayoutCalled 778 || (atoken == null && mRootToken.hidden) 779 || (atoken != null && (atoken.hiddenRequested || atoken.hidden)) 780 || mAttachedHidden 781 || mExiting || mDestroying; 782 } 783 784 /** 785 * Returns true if the window has a surface that it has drawn a 786 * complete UI in to. 787 */ 788 public boolean isDrawnLw() { 789 return mHasSurface && !mDestroying && 790 (mWinAnimator.mDrawState == WindowStateAnimator.READY_TO_SHOW 791 || mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN); 792 } 793 794 /** 795 * Return true if the window is opaque and fully drawn. This indicates 796 * it may obscure windows behind it. 797 */ 798 boolean isOpaqueDrawn() { 799 return (mAttrs.format == PixelFormat.OPAQUE 800 || mAttrs.type == TYPE_WALLPAPER) 801 && isDrawnLw() && mWinAnimator.mAnimation == null 802 && (mAppToken == null || mAppToken.mAppAnimator.animation == null); 803 } 804 805 /** 806 * Return whether this window is wanting to have a translation 807 * animation applied to it for an in-progress move. (Only makes 808 * sense to call from performLayoutAndPlaceSurfacesLockedInner().) 809 */ 810 boolean shouldAnimateMove() { 811 return mContentChanged && !mExiting && !mWinAnimator.mLastHidden && mService.okToDisplay() 812 && (mFrame.top != mLastFrame.top 813 || mFrame.left != mLastFrame.left) 814 && (mAttachedWindow == null || !mAttachedWindow.shouldAnimateMove()); 815 } 816 817 boolean isFullscreen(int screenWidth, int screenHeight) { 818 return mFrame.left <= 0 && mFrame.top <= 0 && 819 mFrame.right >= screenWidth && mFrame.bottom >= screenHeight; 820 } 821 822 void removeLocked() { 823 disposeInputChannel(); 824 825 if (mAttachedWindow != null) { 826 if (WindowManagerService.DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + this + " from " + mAttachedWindow); 827 mAttachedWindow.mChildWindows.remove(this); 828 } 829 mWinAnimator.destroyDeferredSurfaceLocked(); 830 mWinAnimator.destroySurfaceLocked(); 831 mSession.windowRemovedLocked(); 832 try { 833 mClient.asBinder().unlinkToDeath(mDeathRecipient, 0); 834 } catch (RuntimeException e) { 835 // Ignore if it has already been removed (usually because 836 // we are doing this as part of processing a death note.) 837 } 838 } 839 840 void setInputChannel(InputChannel inputChannel) { 841 if (mInputChannel != null) { 842 throw new IllegalStateException("Window already has an input channel."); 843 } 844 845 mInputChannel = inputChannel; 846 mInputWindowHandle.inputChannel = inputChannel; 847 } 848 849 void disposeInputChannel() { 850 if (mInputChannel != null) { 851 mService.mInputManager.unregisterInputChannel(mInputChannel); 852 853 mInputChannel.dispose(); 854 mInputChannel = null; 855 } 856 857 mInputWindowHandle.inputChannel = null; 858 } 859 860 private class DeathRecipient implements IBinder.DeathRecipient { 861 public void binderDied() { 862 try { 863 synchronized(mService.mWindowMap) { 864 WindowState win = mService.windowForClientLocked(mSession, mClient, false); 865 Slog.i(TAG, "WIN DEATH: " + win); 866 if (win != null) { 867 mService.removeWindowLocked(mSession, win); 868 } 869 } 870 } catch (IllegalArgumentException ex) { 871 // This will happen if the window has already been 872 // removed. 873 } 874 } 875 } 876 877 /** Returns true if this window desires key events. 878 * TODO(cmautner): Is this the same as {@link WindowManagerService#canBeImeTarget} 879 */ 880 public final boolean canReceiveKeys() { 881 return isVisibleOrAdding() 882 && (mViewVisibility == View.VISIBLE) 883 && ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0); 884 } 885 886 @Override 887 public boolean hasDrawnLw() { 888 return mWinAnimator.mDrawState == WindowStateAnimator.HAS_DRAWN; 889 } 890 891 @Override 892 public boolean showLw(boolean doAnimation) { 893 return showLw(doAnimation, true); 894 } 895 896 boolean showLw(boolean doAnimation, boolean requestAnim) { 897 if (mPolicyVisibility && mPolicyVisibilityAfterAnim) { 898 // Already showing. 899 return false; 900 } 901 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility true: " + this); 902 if (doAnimation) { 903 if (DEBUG_VISIBILITY) Slog.v(TAG, "doAnimation: mPolicyVisibility=" 904 + mPolicyVisibility + " mAnimation=" + mWinAnimator.mAnimation); 905 if (!mService.okToDisplay()) { 906 doAnimation = false; 907 } else if (mPolicyVisibility && mWinAnimator.mAnimation == null) { 908 // Check for the case where we are currently visible and 909 // not animating; we do not want to do animation at such a 910 // point to become visible when we already are. 911 doAnimation = false; 912 } 913 } 914 mPolicyVisibility = true; 915 mPolicyVisibilityAfterAnim = true; 916 if (doAnimation) { 917 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_ENTER, true); 918 } 919 if (requestAnim) { 920 mService.updateLayoutToAnimationLocked(); 921 } 922 return true; 923 } 924 925 @Override 926 public boolean hideLw(boolean doAnimation) { 927 return hideLw(doAnimation, true); 928 } 929 930 boolean hideLw(boolean doAnimation, boolean requestAnim) { 931 if (doAnimation) { 932 if (!mService.okToDisplay()) { 933 doAnimation = false; 934 } 935 } 936 boolean current = doAnimation ? mPolicyVisibilityAfterAnim 937 : mPolicyVisibility; 938 if (!current) { 939 // Already hiding. 940 return false; 941 } 942 if (doAnimation) { 943 mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_EXIT, false); 944 if (mWinAnimator.mAnimation == null) { 945 doAnimation = false; 946 } 947 } 948 if (doAnimation) { 949 mPolicyVisibilityAfterAnim = false; 950 } else { 951 if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility false: " + this); 952 mPolicyVisibilityAfterAnim = false; 953 mPolicyVisibility = false; 954 // Window is no longer visible -- make sure if we were waiting 955 // for it to be displayed before enabling the display, that 956 // we allow the display to be enabled now. 957 mService.enableScreenIfNeededLocked(); 958 if (mService.mCurrentFocus == this) { 959 mService.mFocusMayChange = true; 960 } 961 } 962 if (requestAnim) { 963 mService.updateLayoutToAnimationLocked(); 964 } 965 return true; 966 } 967 968 @Override 969 public boolean isAlive() { 970 return mClient.asBinder().isBinderAlive(); 971 } 972 973 private static void applyInsets(Region outRegion, Rect frame, Rect inset) { 974 outRegion.set( 975 frame.left + inset.left, frame.top + inset.top, 976 frame.right - inset.right, frame.bottom - inset.bottom); 977 } 978 979 public void getTouchableRegion(Region outRegion) { 980 final Rect frame = mFrame; 981 switch (mTouchableInsets) { 982 default: 983 case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME: 984 outRegion.set(frame); 985 break; 986 case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT: 987 applyInsets(outRegion, frame, mGivenContentInsets); 988 break; 989 case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_VISIBLE: 990 applyInsets(outRegion, frame, mGivenVisibleInsets); 991 break; 992 case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION: { 993 final Region givenTouchableRegion = mGivenTouchableRegion; 994 outRegion.set(givenTouchableRegion); 995 outRegion.translate(frame.left, frame.top); 996 break; 997 } 998 } 999 } 1000 1001 WindowList getWindowList() { 1002 return mDisplayContent.getWindowList(); 1003 } 1004 1005 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1006 pw.print(prefix); pw.print("mDisplayId="); pw.print(mDisplayContent.getDisplayId()); 1007 pw.print(" mSession="); pw.print(mSession); 1008 pw.print(" mClient="); pw.println(mClient.asBinder()); 1009 pw.print(prefix); pw.print("mAttrs="); pw.println(mAttrs); 1010 pw.print(prefix); pw.print("Requested w="); pw.print(mRequestedWidth); 1011 pw.print(" h="); pw.print(mRequestedHeight); 1012 pw.print(" mLayoutSeq="); pw.println(mLayoutSeq); 1013 if (mRequestedWidth != mLastRequestedWidth || mRequestedHeight != mLastRequestedHeight) { 1014 pw.print(prefix); pw.print("LastRequested w="); pw.print(mLastRequestedWidth); 1015 pw.print(" h="); pw.println(mLastRequestedHeight); 1016 } 1017 if (mAttachedWindow != null || mLayoutAttached) { 1018 pw.print(prefix); pw.print("mAttachedWindow="); pw.print(mAttachedWindow); 1019 pw.print(" mLayoutAttached="); pw.println(mLayoutAttached); 1020 } 1021 if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) { 1022 pw.print(prefix); pw.print("mIsImWindow="); pw.print(mIsImWindow); 1023 pw.print(" mIsWallpaper="); pw.print(mIsWallpaper); 1024 pw.print(" mIsFloatingLayer="); pw.print(mIsFloatingLayer); 1025 pw.print(" mWallpaperVisible="); pw.println(mWallpaperVisible); 1026 } 1027 if (dumpAll) { 1028 pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer); 1029 pw.print(" mSubLayer="); pw.print(mSubLayer); 1030 pw.print(" mAnimLayer="); pw.print(mLayer); pw.print("+"); 1031 pw.print((mTargetAppToken != null ? 1032 mTargetAppToken.mAppAnimator.animLayerAdjustment 1033 : (mAppToken != null ? mAppToken.mAppAnimator.animLayerAdjustment : 0))); 1034 pw.print("="); pw.print(mWinAnimator.mAnimLayer); 1035 pw.print(" mLastLayer="); pw.println(mWinAnimator.mLastLayer); 1036 } 1037 if (dumpAll) { 1038 pw.print(prefix); pw.print("mToken="); pw.println(mToken); 1039 pw.print(prefix); pw.print("mRootToken="); pw.println(mRootToken); 1040 if (mAppToken != null) { 1041 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 1042 } 1043 if (mTargetAppToken != null) { 1044 pw.print(prefix); pw.print("mTargetAppToken="); pw.println(mTargetAppToken); 1045 } 1046 pw.print(prefix); pw.print("mViewVisibility=0x"); 1047 pw.print(Integer.toHexString(mViewVisibility)); 1048 pw.print(" mHaveFrame="); pw.print(mHaveFrame); 1049 pw.print(" mObscured="); pw.println(mObscured); 1050 pw.print(prefix); pw.print("mSeq="); pw.print(mSeq); 1051 pw.print(" mSystemUiVisibility=0x"); 1052 pw.println(Integer.toHexString(mSystemUiVisibility)); 1053 } 1054 if (!mPolicyVisibility || !mPolicyVisibilityAfterAnim || mAttachedHidden) { 1055 pw.print(prefix); pw.print("mPolicyVisibility="); 1056 pw.print(mPolicyVisibility); 1057 pw.print(" mPolicyVisibilityAfterAnim="); 1058 pw.print(mPolicyVisibilityAfterAnim); 1059 pw.print(" mAttachedHidden="); pw.println(mAttachedHidden); 1060 } 1061 if (!mRelayoutCalled || mLayoutNeeded) { 1062 pw.print(prefix); pw.print("mRelayoutCalled="); pw.print(mRelayoutCalled); 1063 pw.print(" mLayoutNeeded="); pw.println(mLayoutNeeded); 1064 } 1065 if (mXOffset != 0 || mYOffset != 0) { 1066 pw.print(prefix); pw.print("Offsets x="); pw.print(mXOffset); 1067 pw.print(" y="); pw.println(mYOffset); 1068 } 1069 if (dumpAll) { 1070 pw.print(prefix); pw.print("mGivenContentInsets="); 1071 mGivenContentInsets.printShortString(pw); 1072 pw.print(" mGivenVisibleInsets="); 1073 mGivenVisibleInsets.printShortString(pw); 1074 pw.println(); 1075 if (mTouchableInsets != 0 || mGivenInsetsPending) { 1076 pw.print(prefix); pw.print("mTouchableInsets="); pw.print(mTouchableInsets); 1077 pw.print(" mGivenInsetsPending="); pw.println(mGivenInsetsPending); 1078 Region region = new Region(); 1079 getTouchableRegion(region); 1080 pw.print(prefix); pw.print("touchable region="); pw.println(region); 1081 } 1082 pw.print(prefix); pw.print("mConfiguration="); pw.println(mConfiguration); 1083 } 1084 pw.print(prefix); pw.print("mHasSurface="); pw.print(mHasSurface); 1085 pw.print(" mShownFrame="); mShownFrame.printShortString(pw); pw.println(); 1086 if (dumpAll) { 1087 pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw); 1088 pw.print(" last="); mLastFrame.printShortString(pw); 1089 pw.println(); 1090 pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw); 1091 pw.print(" last="); mLastSystemDecorRect.printShortString(pw); 1092 pw.println(); 1093 } 1094 if (mEnforceSizeCompat) { 1095 pw.print(prefix); pw.print("mCompatFrame="); mCompatFrame.printShortString(pw); 1096 pw.println(); 1097 } 1098 if (dumpAll) { 1099 pw.print(prefix); pw.print("Frames: containing="); 1100 mContainingFrame.printShortString(pw); 1101 pw.print(" parent="); mParentFrame.printShortString(pw); 1102 pw.print(" display="); mDisplayFrame.printShortString(pw); 1103 pw.println(); 1104 pw.print(prefix); pw.print(" content="); mContentFrame.printShortString(pw); 1105 pw.print(" visible="); mVisibleFrame.printShortString(pw); 1106 pw.println(); 1107 pw.print(prefix); pw.print("Cur insets: content="); 1108 mContentInsets.printShortString(pw); 1109 pw.print(" visible="); mVisibleInsets.printShortString(pw); 1110 pw.println(); 1111 pw.print(prefix); pw.print("Lst insets: content="); 1112 mLastContentInsets.printShortString(pw); 1113 pw.print(" visible="); mLastVisibleInsets.printShortString(pw); 1114 pw.println(); 1115 } 1116 mWinAnimator.dump(pw, prefix, dumpAll); 1117 if (mExiting || mRemoveOnExit || mDestroying || mRemoved) { 1118 pw.print(prefix); pw.print("mExiting="); pw.print(mExiting); 1119 pw.print(" mRemoveOnExit="); pw.print(mRemoveOnExit); 1120 pw.print(" mDestroying="); pw.print(mDestroying); 1121 pw.print(" mRemoved="); pw.println(mRemoved); 1122 } 1123 if (mOrientationChanging || mAppFreezing || mTurnOnScreen) { 1124 pw.print(prefix); pw.print("mOrientationChanging="); 1125 pw.print(mOrientationChanging); 1126 pw.print(" mAppFreezing="); pw.print(mAppFreezing); 1127 pw.print(" mTurnOnScreen="); pw.println(mTurnOnScreen); 1128 } 1129 if (mHScale != 1 || mVScale != 1) { 1130 pw.print(prefix); pw.print("mHScale="); pw.print(mHScale); 1131 pw.print(" mVScale="); pw.println(mVScale); 1132 } 1133 if (mWallpaperX != -1 || mWallpaperY != -1) { 1134 pw.print(prefix); pw.print("mWallpaperX="); pw.print(mWallpaperX); 1135 pw.print(" mWallpaperY="); pw.println(mWallpaperY); 1136 } 1137 if (mWallpaperXStep != -1 || mWallpaperYStep != -1) { 1138 pw.print(prefix); pw.print("mWallpaperXStep="); pw.print(mWallpaperXStep); 1139 pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep); 1140 } 1141 } 1142 1143 String makeInputChannelName() { 1144 return Integer.toHexString(System.identityHashCode(this)) 1145 + " " + mAttrs.getTitle(); 1146 } 1147 1148 @Override 1149 public String toString() { 1150 if (mStringNameCache == null || mLastTitle != mAttrs.getTitle() 1151 || mWasPaused != mToken.paused) { 1152 mLastTitle = mAttrs.getTitle(); 1153 mWasPaused = mToken.paused; 1154 mStringNameCache = "Window{" + Integer.toHexString(System.identityHashCode(this)) 1155 + " " + mLastTitle + " paused=" + mWasPaused + "}"; 1156 } 1157 return mStringNameCache; 1158 } 1159} 1160