| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.wm; |
| |
| import com.android.internal.util.ToBooleanFunction; |
| |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; |
| import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; |
| import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; |
| |
| import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; |
| import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_WITH_WALLPAPER; |
| import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_TO_ORIGINAL_POSITION; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER_LIGHT; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| import static com.android.server.wm.WindowManagerService.H.WALLPAPER_DRAW_PENDING_TIMEOUT; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.GraphicBuffer; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| import android.view.DisplayInfo; |
| import android.view.SurfaceControl; |
| import android.view.WindowManager; |
| import android.view.animation.Animation; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| /** |
| * Controls wallpaper windows visibility, ordering, and so on. |
| * NOTE: All methods in this class must be called with the window manager service lock held. |
| */ |
| class WallpaperController { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "WallpaperController" : TAG_WM; |
| private WindowManagerService mService; |
| |
| private final ArrayList<WallpaperWindowToken> mWallpaperTokens = new ArrayList<>(); |
| |
| // If non-null, this is the currently visible window that is associated |
| // with the wallpaper. |
| private WindowState mWallpaperTarget = null; |
| // If non-null, we are in the middle of animating from one wallpaper target |
| // to another, and this is the previous wallpaper target. |
| private WindowState mPrevWallpaperTarget = null; |
| |
| private float mLastWallpaperX = -1; |
| private float mLastWallpaperY = -1; |
| private float mLastWallpaperXStep = -1; |
| private float mLastWallpaperYStep = -1; |
| private int mLastWallpaperDisplayOffsetX = Integer.MIN_VALUE; |
| private int mLastWallpaperDisplayOffsetY = Integer.MIN_VALUE; |
| |
| // This is set when we are waiting for a wallpaper to tell us it is done |
| // changing its scroll position. |
| private WindowState mWaitingOnWallpaper; |
| |
| // The last time we had a timeout when waiting for a wallpaper. |
| private long mLastWallpaperTimeoutTime; |
| // We give a wallpaper up to 150ms to finish scrolling. |
| private static final long WALLPAPER_TIMEOUT = 150; |
| // Time we wait after a timeout before trying to wait again. |
| private static final long WALLPAPER_TIMEOUT_RECOVERY = 10000; |
| |
| // Set to the wallpaper window we would like to hide once the transition animations are done. |
| // This is useful in cases where we don't want the wallpaper to be hidden when the close app |
| // is a wallpaper target and is done animating out, but the opening app isn't a wallpaper |
| // target and isn't done animating in. |
| WindowState mDeferredHideWallpaper = null; |
| |
| // We give a wallpaper up to 500ms to finish drawing before playing app transitions. |
| private static final long WALLPAPER_DRAW_PENDING_TIMEOUT_DURATION = 500; |
| private static final int WALLPAPER_DRAW_NORMAL = 0; |
| private static final int WALLPAPER_DRAW_PENDING = 1; |
| private static final int WALLPAPER_DRAW_TIMEOUT = 2; |
| private int mWallpaperDrawState = WALLPAPER_DRAW_NORMAL; |
| |
| /** |
| * Temporary storage for taking a screenshot of the wallpaper. |
| * @see #screenshotWallpaperLocked() |
| */ |
| private WindowState mTmpTopWallpaper; |
| |
| private final FindWallpaperTargetResult mFindResults = new FindWallpaperTargetResult(); |
| |
| private final ToBooleanFunction<WindowState> mFindWallpaperTargetFunction = w -> { |
| final WindowAnimator winAnimator = mService.mAnimator; |
| if ((w.mAttrs.type == TYPE_WALLPAPER)) { |
| if (mFindResults.topWallpaper == null || mFindResults.resetTopWallpaper) { |
| mFindResults.setTopWallpaper(w); |
| mFindResults.resetTopWallpaper = false; |
| } |
| return false; |
| } |
| |
| mFindResults.resetTopWallpaper = true; |
| if (w != winAnimator.mWindowDetachedWallpaper && w.mAppToken != null) { |
| // If this window's app token is hidden and not animating, it is of no interest to us. |
| if (w.mAppToken.isHidden() && !w.mAppToken.isSelfAnimating()) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, |
| "Skipping hidden and not animating token: " + w); |
| return false; |
| } |
| } |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w + ": isOnScreen=" + w.isOnScreen() |
| + " mDrawState=" + w.mWinAnimator.mDrawState); |
| |
| if (w.mWillReplaceWindow && mWallpaperTarget == null |
| && !mFindResults.useTopWallpaperAsTarget) { |
| // When we are replacing a window and there was wallpaper before replacement, we want to |
| // keep the window until the new windows fully appear and can determine the visibility, |
| // to avoid flickering. |
| mFindResults.setUseTopWallpaperAsTarget(true); |
| } |
| |
| final boolean keyguardGoingAwayWithWallpaper = (w.mAppToken != null |
| && w.mAppToken.isSelfAnimating() |
| && AppTransition.isKeyguardGoingAwayTransit(w.mAppToken.getTransit()) |
| && (w.mAppToken.getTransitFlags() |
| & TRANSIT_FLAG_KEYGUARD_GOING_AWAY_WITH_WALLPAPER) != 0); |
| |
| boolean needsShowWhenLockedWallpaper = false; |
| if ((w.mAttrs.flags & FLAG_SHOW_WHEN_LOCKED) != 0 |
| && mService.mPolicy.isKeyguardLocked() |
| && mService.mPolicy.isKeyguardOccluded()) { |
| // The lowest show when locked window decides whether we need to put the wallpaper |
| // behind. |
| needsShowWhenLockedWallpaper = !isFullscreen(w.mAttrs) |
| || (w.mAppToken != null && !w.mAppToken.fillsParent()); |
| } |
| |
| if (keyguardGoingAwayWithWallpaper || needsShowWhenLockedWallpaper) { |
| // Keep the wallpaper during Keyguard exit but also when it's needed for a |
| // non-fullscreen show when locked activity. |
| mFindResults.setUseTopWallpaperAsTarget(true); |
| } |
| |
| final RecentsAnimationController recentsAnimationController = |
| mService.getRecentsAnimationController(); |
| final boolean animationWallpaper = w.mAppToken != null && w.mAppToken.getAnimation() != null |
| && w.mAppToken.getAnimation().getShowWallpaper(); |
| final boolean hasWallpaper = (w.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0 |
| || animationWallpaper; |
| final boolean isRecentsTransitionTarget = (recentsAnimationController != null |
| && recentsAnimationController.isWallpaperVisible(w)); |
| if (isRecentsTransitionTarget) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Found recents animation wallpaper target: " + w); |
| mFindResults.setWallpaperTarget(w); |
| return true; |
| } else if (hasWallpaper && w.isOnScreen() |
| && (mWallpaperTarget == w || w.isDrawFinishedLw())) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Found wallpaper target: " + w); |
| mFindResults.setWallpaperTarget(w); |
| if (w == mWallpaperTarget && w.mWinAnimator.isAnimationSet()) { |
| // The current wallpaper target is animating, so we'll look behind it for |
| // another possible target and figure out what is going on later. |
| if (DEBUG_WALLPAPER) Slog.v(TAG, |
| "Win " + w + ": token animating, looking behind."); |
| } |
| // Found a target! End search. |
| return true; |
| } else if (w == winAnimator.mWindowDetachedWallpaper) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Found animating detached wallpaper target win: " + w); |
| mFindResults.setUseTopWallpaperAsTarget(true); |
| } |
| return false; |
| }; |
| |
| public WallpaperController(WindowManagerService service) { |
| mService = service; |
| } |
| |
| WindowState getWallpaperTarget() { |
| return mWallpaperTarget; |
| } |
| |
| boolean isWallpaperTarget(WindowState win) { |
| return win == mWallpaperTarget; |
| } |
| |
| boolean isBelowWallpaperTarget(WindowState win) { |
| return mWallpaperTarget != null && mWallpaperTarget.mLayer >= win.mBaseLayer; |
| } |
| |
| boolean isWallpaperVisible() { |
| return isWallpaperVisible(mWallpaperTarget); |
| } |
| |
| /** |
| * Starts {@param a} on all wallpaper windows. |
| */ |
| void startWallpaperAnimation(Animation a) { |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx); |
| token.startAnimation(a); |
| } |
| } |
| |
| private final boolean isWallpaperVisible(WindowState wallpaperTarget) { |
| final RecentsAnimationController recentsAnimationController = |
| mService.getRecentsAnimationController(); |
| boolean isAnimatingWithRecentsComponent = recentsAnimationController != null |
| && recentsAnimationController.isWallpaperVisible(wallpaperTarget); |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target " + wallpaperTarget + ", obscured=" |
| + (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??") |
| + " animating=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null) |
| ? wallpaperTarget.mAppToken.isSelfAnimating() : null) |
| + " prev=" + mPrevWallpaperTarget |
| + " recentsAnimationWallpaperVisible=" + isAnimatingWithRecentsComponent); |
| return (wallpaperTarget != null |
| && (!wallpaperTarget.mObscured |
| || isAnimatingWithRecentsComponent |
| || (wallpaperTarget.mAppToken != null |
| && wallpaperTarget.mAppToken.isSelfAnimating()))) |
| || mPrevWallpaperTarget != null; |
| } |
| |
| boolean isWallpaperTargetAnimating() { |
| return mWallpaperTarget != null && mWallpaperTarget.mWinAnimator.isAnimationSet() |
| && (mWallpaperTarget.mAppToken == null |
| || !mWallpaperTarget.mAppToken.isWaitingForTransitionStart()); |
| } |
| |
| void updateWallpaperVisibility() { |
| final boolean visible = isWallpaperVisible(mWallpaperTarget); |
| |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx); |
| token.updateWallpaperVisibility(visible); |
| } |
| } |
| |
| void hideDeferredWallpapersIfNeeded() { |
| if (mDeferredHideWallpaper != null) { |
| hideWallpapers(mDeferredHideWallpaper); |
| mDeferredHideWallpaper = null; |
| } |
| } |
| |
| void hideWallpapers(final WindowState winGoingAway) { |
| if (mWallpaperTarget != null |
| && (mWallpaperTarget != winGoingAway || mPrevWallpaperTarget != null)) { |
| return; |
| } |
| if (mService.mAppTransition.isRunning()) { |
| // Defer hiding the wallpaper when app transition is running until the animations |
| // are done. |
| mDeferredHideWallpaper = winGoingAway; |
| return; |
| } |
| |
| final boolean wasDeferred = (mDeferredHideWallpaper == winGoingAway); |
| for (int i = mWallpaperTokens.size() - 1; i >= 0; i--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(i); |
| token.hideWallpaperToken(wasDeferred, "hideWallpapers"); |
| if (DEBUG_WALLPAPER_LIGHT && !token.isHidden()) Slog.d(TAG, "Hiding wallpaper " + token |
| + " from " + winGoingAway + " target=" + mWallpaperTarget + " prev=" |
| + mPrevWallpaperTarget + "\n" + Debug.getCallers(5, " ")); |
| } |
| } |
| |
| boolean updateWallpaperOffset(WindowState wallpaperWin, int dw, int dh, boolean sync) { |
| int xOffset = 0; |
| int yOffset = 0; |
| boolean rawChanged = false; |
| // Set the default wallpaper x-offset to either edge of the screen (depending on RTL), to |
| // match the behavior of most Launchers |
| float defaultWallpaperX = wallpaperWin.isRtl() ? 1f : 0f; |
| float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : defaultWallpaperX; |
| float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f; |
| int availw = wallpaperWin.mFrame.right - wallpaperWin.mFrame.left - dw; |
| int offset = availw > 0 ? -(int)(availw * wpx + .5f) : 0; |
| if (mLastWallpaperDisplayOffsetX != Integer.MIN_VALUE) { |
| offset += mLastWallpaperDisplayOffsetX; |
| } |
| xOffset = offset; |
| |
| if (wallpaperWin.mWallpaperX != wpx || wallpaperWin.mWallpaperXStep != wpxs) { |
| wallpaperWin.mWallpaperX = wpx; |
| wallpaperWin.mWallpaperXStep = wpxs; |
| rawChanged = true; |
| } |
| |
| float wpy = mLastWallpaperY >= 0 ? mLastWallpaperY : 0.5f; |
| float wpys = mLastWallpaperYStep >= 0 ? mLastWallpaperYStep : -1.0f; |
| int availh = wallpaperWin.mFrame.bottom - wallpaperWin.mFrame.top - dh; |
| offset = availh > 0 ? -(int)(availh * wpy + .5f) : 0; |
| if (mLastWallpaperDisplayOffsetY != Integer.MIN_VALUE) { |
| offset += mLastWallpaperDisplayOffsetY; |
| } |
| yOffset = offset; |
| |
| if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) { |
| wallpaperWin.mWallpaperY = wpy; |
| wallpaperWin.mWallpaperYStep = wpys; |
| rawChanged = true; |
| } |
| |
| boolean changed = wallpaperWin.mWinAnimator.setWallpaperOffset(xOffset, yOffset); |
| |
| if (rawChanged && (wallpaperWin.mAttrs.privateFlags & |
| WindowManager.LayoutParams.PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS) != 0) { |
| try { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Report new wp offset " |
| + wallpaperWin + " x=" + wallpaperWin.mWallpaperX |
| + " y=" + wallpaperWin.mWallpaperY); |
| if (sync) { |
| mWaitingOnWallpaper = wallpaperWin; |
| } |
| wallpaperWin.mClient.dispatchWallpaperOffsets( |
| wallpaperWin.mWallpaperX, wallpaperWin.mWallpaperY, |
| wallpaperWin.mWallpaperXStep, wallpaperWin.mWallpaperYStep, sync); |
| if (sync) { |
| if (mWaitingOnWallpaper != null) { |
| long start = SystemClock.uptimeMillis(); |
| if ((mLastWallpaperTimeoutTime + WALLPAPER_TIMEOUT_RECOVERY) |
| < start) { |
| try { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, |
| "Waiting for offset complete..."); |
| mService.mWindowMap.wait(WALLPAPER_TIMEOUT); |
| } catch (InterruptedException e) { |
| } |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Offset complete!"); |
| if ((start + WALLPAPER_TIMEOUT) < SystemClock.uptimeMillis()) { |
| Slog.i(TAG, "Timeout waiting for wallpaper to offset: " |
| + wallpaperWin); |
| mLastWallpaperTimeoutTime = start; |
| } |
| } |
| mWaitingOnWallpaper = null; |
| } |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| return changed; |
| } |
| |
| void setWindowWallpaperPosition( |
| WindowState window, float x, float y, float xStep, float yStep) { |
| if (window.mWallpaperX != x || window.mWallpaperY != y) { |
| window.mWallpaperX = x; |
| window.mWallpaperY = y; |
| window.mWallpaperXStep = xStep; |
| window.mWallpaperYStep = yStep; |
| updateWallpaperOffsetLocked(window, true); |
| } |
| } |
| |
| void setWindowWallpaperDisplayOffset(WindowState window, int x, int y) { |
| if (window.mWallpaperDisplayOffsetX != x || window.mWallpaperDisplayOffsetY != y) { |
| window.mWallpaperDisplayOffsetX = x; |
| window.mWallpaperDisplayOffsetY = y; |
| updateWallpaperOffsetLocked(window, true); |
| } |
| } |
| |
| Bundle sendWindowWallpaperCommand( |
| WindowState window, String action, int x, int y, int z, Bundle extras, boolean sync) { |
| if (window == mWallpaperTarget || window == mPrevWallpaperTarget) { |
| boolean doWait = sync; |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx); |
| token.sendWindowWallpaperCommand(action, x, y, z, extras, sync); |
| } |
| |
| if (doWait) { |
| // TODO: Need to wait for result. |
| } |
| } |
| |
| return null; |
| } |
| |
| private void updateWallpaperOffsetLocked(WindowState changingTarget, boolean sync) { |
| final DisplayContent displayContent = changingTarget.getDisplayContent(); |
| if (displayContent == null) { |
| return; |
| } |
| final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| final int dw = displayInfo.logicalWidth; |
| final int dh = displayInfo.logicalHeight; |
| |
| WindowState target = mWallpaperTarget; |
| if (target != null) { |
| if (target.mWallpaperX >= 0) { |
| mLastWallpaperX = target.mWallpaperX; |
| } else if (changingTarget.mWallpaperX >= 0) { |
| mLastWallpaperX = changingTarget.mWallpaperX; |
| } |
| if (target.mWallpaperY >= 0) { |
| mLastWallpaperY = target.mWallpaperY; |
| } else if (changingTarget.mWallpaperY >= 0) { |
| mLastWallpaperY = changingTarget.mWallpaperY; |
| } |
| if (target.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetX = target.mWallpaperDisplayOffsetX; |
| } else if (changingTarget.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetX = changingTarget.mWallpaperDisplayOffsetX; |
| } |
| if (target.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetY = target.mWallpaperDisplayOffsetY; |
| } else if (changingTarget.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetY = changingTarget.mWallpaperDisplayOffsetY; |
| } |
| if (target.mWallpaperXStep >= 0) { |
| mLastWallpaperXStep = target.mWallpaperXStep; |
| } else if (changingTarget.mWallpaperXStep >= 0) { |
| mLastWallpaperXStep = changingTarget.mWallpaperXStep; |
| } |
| if (target.mWallpaperYStep >= 0) { |
| mLastWallpaperYStep = target.mWallpaperYStep; |
| } else if (changingTarget.mWallpaperYStep >= 0) { |
| mLastWallpaperYStep = changingTarget.mWallpaperYStep; |
| } |
| } |
| |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| mWallpaperTokens.get(curTokenNdx).updateWallpaperOffset(dw, dh, sync); |
| } |
| } |
| |
| void clearLastWallpaperTimeoutTime() { |
| mLastWallpaperTimeoutTime = 0; |
| } |
| |
| void wallpaperCommandComplete(IBinder window) { |
| if (mWaitingOnWallpaper != null && |
| mWaitingOnWallpaper.mClient.asBinder() == window) { |
| mWaitingOnWallpaper = null; |
| mService.mWindowMap.notifyAll(); |
| } |
| } |
| |
| void wallpaperOffsetsComplete(IBinder window) { |
| if (mWaitingOnWallpaper != null && |
| mWaitingOnWallpaper.mClient.asBinder() == window) { |
| mWaitingOnWallpaper = null; |
| mService.mWindowMap.notifyAll(); |
| } |
| } |
| |
| private void findWallpaperTarget(DisplayContent dc) { |
| mFindResults.reset(); |
| if (dc.isStackVisible(WINDOWING_MODE_FREEFORM)) { |
| // In freeform mode we set the wallpaper as its own target, so we don't need an |
| // additional window to make it visible. |
| mFindResults.setUseTopWallpaperAsTarget(true); |
| } |
| |
| dc.forAllWindows(mFindWallpaperTargetFunction, true /* traverseTopToBottom */); |
| |
| if (mFindResults.wallpaperTarget == null && mFindResults.useTopWallpaperAsTarget) { |
| mFindResults.setWallpaperTarget(mFindResults.topWallpaper); |
| } |
| } |
| |
| private boolean isFullscreen(WindowManager.LayoutParams attrs) { |
| return attrs.x == 0 && attrs.y == 0 |
| && attrs.width == MATCH_PARENT && attrs.height == MATCH_PARENT; |
| } |
| |
| /** Updates the target wallpaper if needed and returns true if an update happened. */ |
| private void updateWallpaperWindowsTarget(DisplayContent dc, |
| FindWallpaperTargetResult result) { |
| |
| WindowState wallpaperTarget = result.wallpaperTarget; |
| |
| if (mWallpaperTarget == wallpaperTarget |
| || (mPrevWallpaperTarget != null && mPrevWallpaperTarget == wallpaperTarget)) { |
| |
| if (mPrevWallpaperTarget == null) { |
| return; |
| } |
| |
| // Is it time to stop animating? |
| if (!mPrevWallpaperTarget.isAnimatingLw()) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "No longer animating wallpaper targets!"); |
| mPrevWallpaperTarget = null; |
| mWallpaperTarget = wallpaperTarget; |
| } |
| return; |
| } |
| |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "New wallpaper target: " + wallpaperTarget + " prevTarget: " + mWallpaperTarget); |
| |
| mPrevWallpaperTarget = null; |
| |
| final WindowState prevWallpaperTarget = mWallpaperTarget; |
| mWallpaperTarget = wallpaperTarget; |
| |
| if (wallpaperTarget == null || prevWallpaperTarget == null) { |
| return; |
| } |
| |
| // Now what is happening... if the current and new targets are animating, |
| // then we are in our super special mode! |
| boolean oldAnim = prevWallpaperTarget.isAnimatingLw(); |
| boolean foundAnim = wallpaperTarget.isAnimatingLw(); |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "New animation: " + foundAnim + " old animation: " + oldAnim); |
| |
| if (!foundAnim || !oldAnim) { |
| return; |
| } |
| |
| if (dc.getWindow(w -> w == prevWallpaperTarget) == null) { |
| return; |
| } |
| |
| final boolean newTargetHidden = wallpaperTarget.mAppToken != null |
| && wallpaperTarget.mAppToken.hiddenRequested; |
| final boolean oldTargetHidden = prevWallpaperTarget.mAppToken != null |
| && prevWallpaperTarget.mAppToken.hiddenRequested; |
| |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "Animating wallpapers:" + " old: " |
| + prevWallpaperTarget + " hidden=" + oldTargetHidden + " new: " + wallpaperTarget |
| + " hidden=" + newTargetHidden); |
| |
| mPrevWallpaperTarget = prevWallpaperTarget; |
| |
| if (newTargetHidden && !oldTargetHidden) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "Old wallpaper still the target."); |
| // Use the old target if new target is hidden but old target |
| // is not. If they're both hidden, still use the new target. |
| mWallpaperTarget = prevWallpaperTarget; |
| } else if (newTargetHidden == oldTargetHidden |
| && !mService.mOpeningApps.contains(wallpaperTarget.mAppToken) |
| && (mService.mOpeningApps.contains(prevWallpaperTarget.mAppToken) |
| || mService.mClosingApps.contains(prevWallpaperTarget.mAppToken))) { |
| // If they're both hidden (or both not hidden), prefer the one that's currently in |
| // opening or closing app list, this allows transition selection logic to better |
| // determine the wallpaper status of opening/closing apps. |
| mWallpaperTarget = prevWallpaperTarget; |
| } |
| |
| result.setWallpaperTarget(wallpaperTarget); |
| } |
| |
| private void updateWallpaperTokens(boolean visible) { |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx); |
| token.updateWallpaperWindows(visible); |
| token.getDisplayContent().assignWindowLayers(false); |
| } |
| } |
| |
| void adjustWallpaperWindows(DisplayContent dc) { |
| mService.mRoot.mWallpaperMayChange = false; |
| |
| // First find top-most window that has asked to be on top of the wallpaper; |
| // all wallpapers go behind it. |
| findWallpaperTarget(dc); |
| updateWallpaperWindowsTarget(dc, mFindResults); |
| |
| // The window is visible to the compositor...but is it visible to the user? |
| // That is what the wallpaper cares about. |
| final boolean visible = mWallpaperTarget != null && isWallpaperVisible(mWallpaperTarget); |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible); |
| |
| if (visible) { |
| if (mWallpaperTarget.mWallpaperX >= 0) { |
| mLastWallpaperX = mWallpaperTarget.mWallpaperX; |
| mLastWallpaperXStep = mWallpaperTarget.mWallpaperXStep; |
| } |
| if (mWallpaperTarget.mWallpaperY >= 0) { |
| mLastWallpaperY = mWallpaperTarget.mWallpaperY; |
| mLastWallpaperYStep = mWallpaperTarget.mWallpaperYStep; |
| } |
| if (mWallpaperTarget.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetX = mWallpaperTarget.mWallpaperDisplayOffsetX; |
| } |
| if (mWallpaperTarget.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) { |
| mLastWallpaperDisplayOffsetY = mWallpaperTarget.mWallpaperDisplayOffsetY; |
| } |
| } |
| |
| updateWallpaperTokens(visible); |
| |
| if (DEBUG_WALLPAPER_LIGHT) Slog.d(TAG, "New wallpaper: target=" + mWallpaperTarget |
| + " prev=" + mPrevWallpaperTarget); |
| } |
| |
| boolean processWallpaperDrawPendingTimeout() { |
| if (mWallpaperDrawState == WALLPAPER_DRAW_PENDING) { |
| mWallpaperDrawState = WALLPAPER_DRAW_TIMEOUT; |
| if (DEBUG_APP_TRANSITIONS || DEBUG_WALLPAPER) Slog.v(TAG, |
| "*** WALLPAPER DRAW TIMEOUT"); |
| |
| // If there was a recents animation in progress, cancel that animation |
| if (mService.getRecentsAnimationController() != null) { |
| mService.getRecentsAnimationController().cancelAnimation( |
| REORDER_MOVE_TO_ORIGINAL_POSITION, "wallpaperDrawPendingTimeout"); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| boolean wallpaperTransitionReady() { |
| boolean transitionReady = true; |
| boolean wallpaperReady = true; |
| for (int curTokenIndex = mWallpaperTokens.size() - 1; |
| curTokenIndex >= 0 && wallpaperReady; curTokenIndex--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenIndex); |
| if (token.hasVisibleNotDrawnWallpaper()) { |
| // We've told this wallpaper to be visible, but it is not drawn yet |
| wallpaperReady = false; |
| if (mWallpaperDrawState != WALLPAPER_DRAW_TIMEOUT) { |
| // wait for this wallpaper until it is drawn or timeout |
| transitionReady = false; |
| } |
| if (mWallpaperDrawState == WALLPAPER_DRAW_NORMAL) { |
| mWallpaperDrawState = WALLPAPER_DRAW_PENDING; |
| mService.mH.removeMessages(WALLPAPER_DRAW_PENDING_TIMEOUT); |
| mService.mH.sendEmptyMessageDelayed(WALLPAPER_DRAW_PENDING_TIMEOUT, |
| WALLPAPER_DRAW_PENDING_TIMEOUT_DURATION); |
| } |
| if (DEBUG_APP_TRANSITIONS || DEBUG_WALLPAPER) Slog.v(TAG, |
| "Wallpaper should be visible but has not been drawn yet. " + |
| "mWallpaperDrawState=" + mWallpaperDrawState); |
| break; |
| } |
| } |
| if (wallpaperReady) { |
| mWallpaperDrawState = WALLPAPER_DRAW_NORMAL; |
| mService.mH.removeMessages(WALLPAPER_DRAW_PENDING_TIMEOUT); |
| } |
| |
| return transitionReady; |
| } |
| |
| /** |
| * Adjusts the wallpaper windows if the input display has a pending wallpaper layout or one of |
| * the opening apps should be a wallpaper target. |
| */ |
| void adjustWallpaperWindowsForAppTransitionIfNeeded(DisplayContent dc, |
| ArraySet<AppWindowToken> openingApps) { |
| boolean adjust = false; |
| if ((dc.pendingLayoutChanges & FINISH_LAYOUT_REDO_WALLPAPER) != 0) { |
| adjust = true; |
| } else { |
| for (int i = openingApps.size() - 1; i >= 0; --i) { |
| final AppWindowToken token = openingApps.valueAt(i); |
| if (token.windowsCanBeWallpaperTarget()) { |
| adjust = true; |
| break; |
| } |
| } |
| } |
| |
| if (adjust) { |
| adjustWallpaperWindows(dc); |
| } |
| } |
| |
| void addWallpaperToken(WallpaperWindowToken token) { |
| mWallpaperTokens.add(token); |
| } |
| |
| void removeWallpaperToken(WallpaperWindowToken token) { |
| mWallpaperTokens.remove(token); |
| } |
| |
| /** |
| * Take a screenshot of the wallpaper if it's visible. |
| * |
| * @return Bitmap of the wallpaper |
| */ |
| Bitmap screenshotWallpaperLocked() { |
| if (!mService.mPolicy.isScreenOn()) { |
| if (DEBUG_SCREENSHOT) { |
| Slog.i(TAG_WM, "Attempted to take screenshot while display was off."); |
| } |
| return null; |
| } |
| |
| final WindowState wallpaperWindowState = getTopVisibleWallpaper(); |
| if (wallpaperWindowState == null) { |
| if (DEBUG_SCREENSHOT) { |
| Slog.i(TAG_WM, "No visible wallpaper to screenshot"); |
| } |
| return null; |
| } |
| |
| final Rect bounds = wallpaperWindowState.getBounds(); |
| bounds.offsetTo(0, 0); |
| |
| GraphicBuffer wallpaperBuffer = SurfaceControl.captureLayers( |
| wallpaperWindowState.getSurfaceControl().getHandle(), bounds, 1 /* frameScale */); |
| |
| if (wallpaperBuffer == null) { |
| Slog.w(TAG_WM, "Failed to screenshot wallpaper"); |
| return null; |
| } |
| return Bitmap.createHardwareBitmap(wallpaperBuffer); |
| } |
| |
| private WindowState getTopVisibleWallpaper() { |
| mTmpTopWallpaper = null; |
| |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx); |
| token.forAllWindows(w -> { |
| final WindowStateAnimator winAnim = w.mWinAnimator; |
| if (winAnim != null && winAnim.getShown() && winAnim.mLastAlpha > 0f) { |
| mTmpTopWallpaper = w; |
| return true; |
| } |
| return false; |
| }, true /* traverseTopToBottom */); |
| } |
| |
| return mTmpTopWallpaper; |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.print("mWallpaperTarget="); pw.println(mWallpaperTarget); |
| if (mPrevWallpaperTarget != null) { |
| pw.print(prefix); pw.print("mPrevWallpaperTarget="); pw.println(mPrevWallpaperTarget); |
| } |
| pw.print(prefix); pw.print("mLastWallpaperX="); pw.print(mLastWallpaperX); |
| pw.print(" mLastWallpaperY="); pw.println(mLastWallpaperY); |
| if (mLastWallpaperDisplayOffsetX != Integer.MIN_VALUE |
| || mLastWallpaperDisplayOffsetY != Integer.MIN_VALUE) { |
| pw.print(prefix); |
| pw.print("mLastWallpaperDisplayOffsetX="); pw.print(mLastWallpaperDisplayOffsetX); |
| pw.print(" mLastWallpaperDisplayOffsetY="); pw.println(mLastWallpaperDisplayOffsetY); |
| } |
| } |
| |
| /** Helper class for storing the results of a wallpaper target find operation. */ |
| final private static class FindWallpaperTargetResult { |
| WindowState topWallpaper = null; |
| boolean useTopWallpaperAsTarget = false; |
| WindowState wallpaperTarget = null; |
| boolean resetTopWallpaper = false; |
| |
| void setTopWallpaper(WindowState win) { |
| topWallpaper = win; |
| } |
| |
| void setWallpaperTarget(WindowState win) { |
| wallpaperTarget = win; |
| } |
| |
| void setUseTopWallpaperAsTarget(boolean topWallpaperAsTarget) { |
| useTopWallpaperAsTarget = topWallpaperAsTarget; |
| } |
| |
| void reset() { |
| topWallpaper = null; |
| wallpaperTarget = null; |
| useTopWallpaperAsTarget = false; |
| resetTopWallpaper = false; |
| } |
| } |
| } |
