| /* |
| * 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 static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; |
| import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; |
| import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; |
| import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; |
| import static android.view.WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM; |
| import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_MOVEMENT; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; |
| 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 static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER; |
| import static com.android.server.wm.WindowManagerService.TYPE_LAYER_OFFSET; |
| |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.util.Slog; |
| import android.view.DisplayInfo; |
| import android.view.WindowManager; |
| import android.view.WindowManagerPolicy; |
| |
| 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; |
| final private WindowManagerService mService; |
| |
| private final ArrayList<WindowToken> 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 lower one in Z-order. |
| private WindowState mLowerWallpaperTarget = null; |
| // If non-null, we are in the middle of animating from one wallpaper target |
| // to another, and this is the higher one in Z-order. |
| private WindowState mUpperWallpaperTarget = null; |
| |
| private int mWallpaperAnimLayerAdjustment; |
| |
| 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. |
| 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. |
| private 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; |
| |
| private final FindWallpaperTargetResult mFindResults = new FindWallpaperTargetResult(); |
| |
| public WallpaperController(WindowManagerService service) { |
| mService = service; |
| } |
| |
| WindowState getWallpaperTarget() { |
| return mWallpaperTarget; |
| } |
| |
| WindowState getLowerWallpaperTarget() { |
| return mLowerWallpaperTarget; |
| } |
| |
| WindowState getUpperWallpaperTarget() { |
| return mUpperWallpaperTarget; |
| } |
| |
| boolean isWallpaperTarget(WindowState win) { |
| return win == mWallpaperTarget; |
| } |
| |
| boolean isBelowWallpaperTarget(WindowState win) { |
| return mWallpaperTarget != null && mWallpaperTarget.mLayer >= win.mBaseLayer; |
| } |
| |
| boolean isWallpaperVisible() { |
| return isWallpaperVisible(mWallpaperTarget); |
| } |
| |
| private boolean isWallpaperVisible(WindowState wallpaperTarget) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target " + wallpaperTarget + ", obscured=" |
| + (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??") |
| + " anim=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null) |
| ? wallpaperTarget.mAppToken.mAppAnimator.animation : null) |
| + " upper=" + mUpperWallpaperTarget |
| + " lower=" + mLowerWallpaperTarget); |
| return (wallpaperTarget != null |
| && (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null |
| && wallpaperTarget.mAppToken.mAppAnimator.animation != null))) |
| || mUpperWallpaperTarget != null |
| || mLowerWallpaperTarget != null; |
| } |
| |
| boolean isWallpaperTargetAnimating() { |
| return mWallpaperTarget != null && mWallpaperTarget.mWinAnimator.isAnimationSet() |
| && !mWallpaperTarget.mWinAnimator.isDummyAnimation(); |
| } |
| |
| void updateWallpaperVisibility() { |
| final DisplayContent displayContent = mWallpaperTarget.getDisplayContent(); |
| if (displayContent == null) { |
| return; |
| } |
| final boolean visible = isWallpaperVisible(mWallpaperTarget); |
| final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| final int dw = displayInfo.logicalWidth; |
| final int dh = displayInfo.logicalHeight; |
| |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| WindowToken token = mWallpaperTokens.get(curTokenNdx); |
| if (token.hidden == visible) { |
| token.hidden = !visible; |
| // Need to do a layout to ensure the wallpaper now has the |
| // correct size. |
| displayContent.layoutNeeded = true; |
| } |
| |
| final WindowList windows = token.windows; |
| for (int wallpaperNdx = windows.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) { |
| WindowState wallpaper = windows.get(wallpaperNdx); |
| if (visible) { |
| updateWallpaperOffset(wallpaper, dw, dh, false); |
| } |
| |
| dispatchWallpaperVisibility(wallpaper, visible); |
| } |
| } |
| } |
| |
| void hideDeferredWallpapersIfNeeded() { |
| if (mDeferredHideWallpaper != null) { |
| hideWallpapers(mDeferredHideWallpaper); |
| mDeferredHideWallpaper = null; |
| } |
| } |
| |
| void hideWallpapers(final WindowState winGoingAway) { |
| if (mWallpaperTarget != null |
| && (mWallpaperTarget != winGoingAway || mLowerWallpaperTarget != 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 WindowToken token = mWallpaperTokens.get(i); |
| for (int j = token.windows.size() - 1; j >= 0; j--) { |
| final WindowState wallpaper = token.windows.get(j); |
| final WindowStateAnimator winAnimator = wallpaper.mWinAnimator; |
| if (!winAnimator.mLastHidden || wasDeferred) { |
| winAnimator.hide("hideWallpapers"); |
| dispatchWallpaperVisibility(wallpaper, false); |
| final DisplayContent displayContent = wallpaper.getDisplayContent(); |
| if (displayContent != null) { |
| displayContent.pendingLayoutChanges |= |
| WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; |
| } |
| } |
| } |
| if (DEBUG_WALLPAPER_LIGHT && !token.hidden) Slog.d(TAG, "Hiding wallpaper " + token |
| + " from " + winGoingAway + " target=" + mWallpaperTarget + " lower=" |
| + mLowerWallpaperTarget + "\n" + Debug.getCallers(5, " ")); |
| token.hidden = true; |
| } |
| } |
| |
| /** |
| * Check wallpaper for visibility change and notify window if so. |
| * @param wallpaper The wallpaper to test and notify. |
| * @param visible Current visibility. |
| */ |
| void dispatchWallpaperVisibility(final WindowState wallpaper, final boolean visible) { |
| // Only send notification if the visibility actually changed and we are not trying to hide |
| // the wallpaper when we are deferring hiding of the wallpaper. |
| if (wallpaper.mWallpaperVisible != visible |
| && (mDeferredHideWallpaper == null || visible)) { |
| wallpaper.mWallpaperVisible = visible; |
| try { |
| if (DEBUG_VISIBILITY || DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Updating vis of wallpaper " + wallpaper |
| + ": " + visible + " from:\n" + Debug.getCallers(4, " ")); |
| wallpaper.mClient.dispatchAppVisibility(visible); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| boolean updateWallpaperOffset(WindowState wallpaperWin, int dw, int dh, boolean sync) { |
| 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; |
| } |
| boolean changed = wallpaperWin.mXOffset != offset; |
| if (changed) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper " + wallpaperWin + " x: " + offset); |
| wallpaperWin.mXOffset = 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; |
| } |
| if (wallpaperWin.mYOffset != offset) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper " + wallpaperWin + " y: " + offset); |
| changed = true; |
| wallpaperWin.mYOffset = offset; |
| } |
| if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) { |
| wallpaperWin.mWallpaperY = wpy; |
| wallpaperWin.mWallpaperYStep = wpys; |
| rawChanged = true; |
| } |
| |
| 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 == mLowerWallpaperTarget |
| || window == mUpperWallpaperTarget) { |
| boolean doWait = sync; |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| final WindowList windows = mWallpaperTokens.get(curTokenNdx).windows; |
| for (int wallpaperNdx = windows.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) { |
| WindowState wallpaper = windows.get(wallpaperNdx); |
| try { |
| wallpaper.mClient.dispatchWallpaperCommand(action, |
| x, y, z, extras, sync); |
| // We only want to be synchronous with one wallpaper. |
| sync = false; |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| if (doWait) { |
| // TODO: Need to wait for result. |
| } |
| } |
| |
| return null; |
| } |
| |
| 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--) { |
| WindowList windows = mWallpaperTokens.get(curTokenNdx).windows; |
| for (int wallpaperNdx = windows.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) { |
| WindowState wallpaper = windows.get(wallpaperNdx); |
| if (updateWallpaperOffset(wallpaper, dw, dh, sync)) { |
| WindowStateAnimator winAnimator = wallpaper.mWinAnimator; |
| winAnimator.computeShownFrameLocked(); |
| // No need to lay out the windows - we can just set the wallpaper position |
| // directly. |
| winAnimator.setWallpaperOffset(wallpaper.mShownPosition); |
| // We only want to be synchronous with one wallpaper. |
| sync = false; |
| } |
| } |
| } |
| } |
| |
| 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(); |
| } |
| } |
| |
| int getAnimLayerAdjustment() { |
| return mWallpaperAnimLayerAdjustment; |
| } |
| |
| void setAnimLayerAdjustment(WindowState win, int adj) { |
| if (win != mWallpaperTarget || mLowerWallpaperTarget != null) { |
| return; |
| } |
| |
| if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Setting wallpaper layer adj to " + adj); |
| mWallpaperAnimLayerAdjustment = adj; |
| for (int i = mWallpaperTokens.size() - 1; i >= 0; i--) { |
| WindowList windows = mWallpaperTokens.get(i).windows; |
| for (int j = windows.size() - 1; j >= 0; j--) { |
| WindowState wallpaper = windows.get(j); |
| wallpaper.mWinAnimator.mAnimLayer = wallpaper.mLayer + adj; |
| if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "setWallpaper win " |
| + wallpaper + " anim layer: " + wallpaper.mWinAnimator.mAnimLayer); |
| } |
| } |
| } |
| |
| private void findWallpaperTarget(WindowList windows, FindWallpaperTargetResult result) { |
| final WindowAnimator winAnimator = mService.mAnimator; |
| result.reset(); |
| WindowState w = null; |
| int windowDetachedI = -1; |
| boolean resetTopWallpaper = false; |
| boolean inFreeformSpace = false; |
| boolean replacing = false; |
| boolean keyguardGoingAwayWithWallpaper = false; |
| |
| for (int i = windows.size() - 1; i >= 0; i--) { |
| w = windows.get(i); |
| if ((w.mAttrs.type == TYPE_WALLPAPER)) { |
| if (result.topWallpaper == null || resetTopWallpaper) { |
| result.setTopWallpaper(w, i); |
| resetTopWallpaper = false; |
| } |
| continue; |
| } |
| 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.hidden && w.mAppToken.mAppAnimator.animation == null) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, |
| "Skipping hidden and not animating token: " + w); |
| continue; |
| } |
| } |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Win #" + i + " " + w + ": isOnScreen=" |
| + w.isOnScreen() + " mDrawState=" + w.mWinAnimator.mDrawState); |
| |
| if (!inFreeformSpace) { |
| TaskStack stack = w.getStack(); |
| inFreeformSpace = stack != null && stack.mStackId == FREEFORM_WORKSPACE_STACK_ID; |
| } |
| |
| replacing |= w.mWillReplaceWindow; |
| keyguardGoingAwayWithWallpaper |= (w.mAppToken != null |
| && w.mWinAnimator.mKeyguardGoingAwayWithWallpaper); |
| |
| final boolean hasWallpaper = (w.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0; |
| if (hasWallpaper && w.isOnScreen() && (mWallpaperTarget == w || w.isDrawFinishedLw())) { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Found wallpaper target: #" + i + "=" + w); |
| result.setWallpaperTarget(w, i); |
| 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."); |
| continue; |
| } |
| break; |
| } else if (w == winAnimator.mWindowDetachedWallpaper) { |
| windowDetachedI = i; |
| } |
| } |
| |
| if (result.wallpaperTarget != null) { |
| return; |
| } |
| |
| if (windowDetachedI >= 0) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Found animating detached wallpaper activity: #" + windowDetachedI + "=" + w); |
| result.setWallpaperTarget(w, windowDetachedI); |
| } else if (inFreeformSpace || (replacing && mWallpaperTarget != null)) { |
| // In freeform mode we set the wallpaper as its own target, so we don't need an |
| // additional window to make it visible. 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. |
| result.setWallpaperTarget(result.topWallpaper, result.topWallpaperIndex); |
| |
| } else if (keyguardGoingAwayWithWallpaper) { |
| // If the app is executing an animation because the keyguard is going away (and the |
| // keyguard was showing the wallpaper) keep the wallpaper during the animation so it |
| // doesn't flicker out by having it be its own target. |
| result.setWallpaperTarget(result.topWallpaper, result.topWallpaperIndex); |
| } |
| } |
| |
| private boolean updateWallpaperWindowsTarget( |
| WindowList windows, FindWallpaperTargetResult result) { |
| |
| boolean targetChanged = false; |
| WindowState wallpaperTarget = result.wallpaperTarget; |
| int wallpaperTargetIndex = result.wallpaperTargetIndex; |
| |
| if (mWallpaperTarget != wallpaperTarget |
| && (mLowerWallpaperTarget == null || mLowerWallpaperTarget != wallpaperTarget)) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "New wallpaper target: " + wallpaperTarget + " oldTarget: " + mWallpaperTarget); |
| |
| mLowerWallpaperTarget = null; |
| mUpperWallpaperTarget = null; |
| |
| WindowState oldW = mWallpaperTarget; |
| mWallpaperTarget = wallpaperTarget; |
| targetChanged = true; |
| |
| // Now what is happening... if the current and new targets are animating, |
| // then we are in our super special mode! |
| if (wallpaperTarget != null && oldW != null) { |
| boolean oldAnim = oldW.isAnimatingLw(); |
| boolean foundAnim = wallpaperTarget.isAnimatingLw(); |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "New animation: " + foundAnim + " old animation: " + oldAnim); |
| if (foundAnim && oldAnim) { |
| int oldI = windows.indexOf(oldW); |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "New i: " + wallpaperTargetIndex + " old i: " + oldI); |
| if (oldI >= 0) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Animating wallpapers: old#" + oldI + "=" + oldW + "; new#" |
| + wallpaperTargetIndex + "=" + wallpaperTarget); |
| |
| // Set the upper and lower wallpaper targets correctly, |
| // and make sure that we are positioning the wallpaper below the lower. |
| if (wallpaperTargetIndex > oldI) { |
| // The new target is on top of the old one. |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Found target above old target."); |
| mUpperWallpaperTarget = wallpaperTarget; |
| mLowerWallpaperTarget = oldW; |
| wallpaperTarget = oldW; |
| wallpaperTargetIndex = oldI; |
| } else { |
| // The new target is below the old one. |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Found target below old target."); |
| mUpperWallpaperTarget = oldW; |
| mLowerWallpaperTarget = wallpaperTarget; |
| } |
| |
| // If the new target is going hidden, set it back to the old target. |
| if (wallpaperTarget.mAppToken != null |
| && wallpaperTarget.mAppToken.hiddenRequested) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, |
| "Old wallpaper still the target."); |
| mWallpaperTarget = oldW; |
| wallpaperTarget = oldW; |
| wallpaperTargetIndex = oldI; |
| } |
| } |
| } |
| } |
| |
| } else if (mLowerWallpaperTarget != null) { |
| // Is it time to stop animating? |
| if (!mLowerWallpaperTarget.isAnimatingLw() || !mUpperWallpaperTarget.isAnimatingLw()) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "No longer animating wallpaper targets!"); |
| mLowerWallpaperTarget = null; |
| mUpperWallpaperTarget = null; |
| mWallpaperTarget = wallpaperTarget; |
| targetChanged = true; |
| } |
| } |
| |
| result.setWallpaperTarget(wallpaperTarget, wallpaperTargetIndex); |
| return targetChanged; |
| } |
| |
| boolean updateWallpaperWindowsTargetByLayer( |
| WindowList windows, FindWallpaperTargetResult result) { |
| |
| WindowState wallpaperTarget = result.wallpaperTarget; |
| int wallpaperTargetIndex = result.wallpaperTargetIndex; |
| boolean visible = wallpaperTarget != null; |
| |
| if (visible) { |
| // The window is visible to the compositor...but is it visible to the user? |
| // That is what the wallpaper cares about. |
| visible = isWallpaperVisible(wallpaperTarget); |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible); |
| |
| // If the wallpaper target is animating, we may need to copy its layer adjustment. |
| // Only do this if we are not transferring between two wallpaper targets. |
| mWallpaperAnimLayerAdjustment = |
| (mLowerWallpaperTarget == null && wallpaperTarget.mAppToken != null) |
| ? wallpaperTarget.mAppToken.mAppAnimator.animLayerAdjustment : 0; |
| |
| final int maxLayer = (mService.mPolicy.getMaxWallpaperLayer() * TYPE_LAYER_MULTIPLIER) |
| + TYPE_LAYER_OFFSET; |
| |
| // Now w is the window we are supposed to be behind... but we |
| // need to be sure to also be behind any of its attached windows, |
| // AND any starting window associated with it, AND below the |
| // maximum layer the policy allows for wallpapers. |
| while (wallpaperTargetIndex > 0) { |
| WindowState wb = windows.get(wallpaperTargetIndex - 1); |
| if (wb.mBaseLayer < maxLayer && |
| wb.mAttachedWindow != wallpaperTarget && |
| (wallpaperTarget.mAttachedWindow == null || |
| wb.mAttachedWindow != wallpaperTarget.mAttachedWindow) && |
| (wb.mAttrs.type != TYPE_APPLICATION_STARTING |
| || wallpaperTarget.mToken == null |
| || wb.mToken != wallpaperTarget.mToken)) { |
| // This window is not related to the previous one in any |
| // interesting way, so stop here. |
| break; |
| } |
| wallpaperTarget = wb; |
| wallpaperTargetIndex--; |
| } |
| } else { |
| if (DEBUG_WALLPAPER) Slog.v(TAG, "No wallpaper target"); |
| } |
| |
| result.setWallpaperTarget(wallpaperTarget, wallpaperTargetIndex); |
| return visible; |
| } |
| |
| boolean updateWallpaperWindowsPlacement(WindowList windows, |
| WindowState wallpaperTarget, int wallpaperTargetIndex, boolean visible) { |
| |
| // TODO(multidisplay): Wallpapers on main screen only. |
| final DisplayInfo displayInfo = mService.getDefaultDisplayContentLocked().getDisplayInfo(); |
| final int dw = displayInfo.logicalWidth; |
| final int dh = displayInfo.logicalHeight; |
| |
| // Start stepping backwards from here, ensuring that our wallpaper windows |
| // are correctly placed. |
| boolean changed = false; |
| for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) { |
| WindowToken token = mWallpaperTokens.get(curTokenNdx); |
| if (token.hidden == visible) { |
| if (DEBUG_WALLPAPER_LIGHT) Slog.d(TAG, |
| "Wallpaper token " + token + " hidden=" + !visible); |
| token.hidden = !visible; |
| // Need to do a layout to ensure the wallpaper now has the correct size. |
| mService.getDefaultDisplayContentLocked().layoutNeeded = true; |
| } |
| |
| final WindowList tokenWindows = token.windows; |
| for (int wallpaperNdx = tokenWindows.size() - 1; wallpaperNdx >= 0; wallpaperNdx--) { |
| WindowState wallpaper = tokenWindows.get(wallpaperNdx); |
| |
| if (visible) { |
| updateWallpaperOffset(wallpaper, dw, dh, false); |
| } |
| |
| // First, make sure the client has the current visibility state. |
| dispatchWallpaperVisibility(wallpaper, visible); |
| |
| wallpaper.mWinAnimator.mAnimLayer = |
| wallpaper.mLayer + mWallpaperAnimLayerAdjustment; |
| if (DEBUG_LAYERS || DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "adjustWallpaper win " |
| + wallpaper + " anim layer: " + wallpaper.mWinAnimator.mAnimLayer); |
| |
| // First, if this window is at the current index, then all is well. |
| if (wallpaper == wallpaperTarget) { |
| wallpaperTargetIndex--; |
| wallpaperTarget = wallpaperTargetIndex > 0 |
| ? windows.get(wallpaperTargetIndex - 1) : null; |
| continue; |
| } |
| |
| // The window didn't match... the current wallpaper window, |
| // wherever it is, is in the wrong place, so make sure it is not in the list. |
| int oldIndex = windows.indexOf(wallpaper); |
| if (oldIndex >= 0) { |
| if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, |
| "Wallpaper removing at " + oldIndex + ": " + wallpaper); |
| windows.remove(oldIndex); |
| mService.mWindowsChanged = true; |
| if (oldIndex < wallpaperTargetIndex) { |
| wallpaperTargetIndex--; |
| } |
| } |
| |
| // Now stick it in. For apps over wallpaper keep the wallpaper at the bottommost |
| // layer. For keyguard over wallpaper put the wallpaper under the keyguard. |
| int insertionIndex = 0; |
| if (visible && wallpaperTarget != null) { |
| final int type = wallpaperTarget.mAttrs.type; |
| final int privateFlags = wallpaperTarget.mAttrs.privateFlags; |
| if ((privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 |
| || type == TYPE_KEYGUARD_SCRIM) { |
| insertionIndex = windows.indexOf(wallpaperTarget); |
| } |
| } |
| if (DEBUG_WALLPAPER_LIGHT || DEBUG_WINDOW_MOVEMENT |
| || (DEBUG_ADD_REMOVE && oldIndex != insertionIndex)) Slog.v(TAG, |
| "Moving wallpaper " + wallpaper |
| + " from " + oldIndex + " to " + insertionIndex); |
| |
| windows.add(insertionIndex, wallpaper); |
| mService.mWindowsChanged = true; |
| changed = true; |
| } |
| } |
| |
| return changed; |
| } |
| |
| boolean adjustWallpaperWindows() { |
| mService.mWindowPlacerLocked.mWallpaperMayChange = false; |
| |
| final WindowList windows = mService.getDefaultWindowListLocked(); |
| // First find top-most window that has asked to be on top of the wallpaper; |
| // all wallpapers go behind it. |
| findWallpaperTarget(windows, mFindResults); |
| final boolean targetChanged = updateWallpaperWindowsTarget(windows, mFindResults); |
| final boolean visible = updateWallpaperWindowsTargetByLayer(windows, mFindResults); |
| WindowState wallpaperTarget = mFindResults.wallpaperTarget; |
| int wallpaperTargetIndex = mFindResults.wallpaperTargetIndex; |
| |
| if (wallpaperTarget == null && mFindResults.topWallpaper != null) { |
| // There is no wallpaper target, so it goes at the bottom. |
| // We will assume it is the same place as last time, if known. |
| wallpaperTarget = mFindResults.topWallpaper; |
| wallpaperTargetIndex = mFindResults.topWallpaperIndex + 1; |
| } else { |
| // Okay i is the position immediately above the wallpaper. |
| // Look at what is below it for later. |
| wallpaperTarget = wallpaperTargetIndex > 0 |
| ? windows.get(wallpaperTargetIndex - 1) : null; |
| } |
| |
| 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; |
| } |
| } |
| |
| final boolean changed = updateWallpaperWindowsPlacement( |
| windows, wallpaperTarget, wallpaperTargetIndex, visible); |
| |
| if (targetChanged && DEBUG_WALLPAPER_LIGHT) Slog.d(TAG, "New wallpaper: target=" |
| + mWallpaperTarget + " lower=" + mLowerWallpaperTarget + " upper=" |
| + mUpperWallpaperTarget); |
| |
| return changed; |
| } |
| |
| boolean processWallpaperDrawPendingTimeout() { |
| if (mWallpaperDrawState == WALLPAPER_DRAW_PENDING) { |
| mWallpaperDrawState = WALLPAPER_DRAW_TIMEOUT; |
| if (DEBUG_APP_TRANSITIONS || DEBUG_WALLPAPER) Slog.v(TAG, |
| "*** WALLPAPER DRAW TIMEOUT"); |
| return true; |
| } |
| return false; |
| } |
| |
| boolean wallpaperTransitionReady() { |
| boolean transitionReady = true; |
| boolean wallpaperReady = true; |
| for (int curTokenIndex = mWallpaperTokens.size() - 1; |
| curTokenIndex >= 0 && wallpaperReady; curTokenIndex--) { |
| WindowToken token = mWallpaperTokens.get(curTokenIndex); |
| for (int curWallpaperIndex = token.windows.size() - 1; curWallpaperIndex >= 0; |
| curWallpaperIndex--) { |
| WindowState wallpaper = token.windows.get(curWallpaperIndex); |
| if (wallpaper.mWallpaperVisible && !wallpaper.isDrawnLw()) { |
| // 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; |
| } |
| |
| void addWallpaperToken(WindowToken token) { |
| mWallpaperTokens.add(token); |
| } |
| |
| void removeWallpaperToken(WindowToken token) { |
| mWallpaperTokens.remove(token); |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.print("mWallpaperTarget="); pw.println(mWallpaperTarget); |
| if (mLowerWallpaperTarget != null || mUpperWallpaperTarget != null) { |
| pw.print(prefix); pw.print("mLowerWallpaperTarget="); pw.println(mLowerWallpaperTarget); |
| pw.print(prefix); pw.print("mUpperWallpaperTarget="); pw.println(mUpperWallpaperTarget); |
| } |
| 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); |
| } |
| } |
| |
| void dumpTokens(PrintWriter pw, String prefix, boolean dumpAll) { |
| if (!mWallpaperTokens.isEmpty()) { |
| pw.println(); |
| pw.print(prefix); pw.println("Wallpaper tokens:"); |
| for (int i = mWallpaperTokens.size() - 1; i >= 0; i--) { |
| WindowToken token = mWallpaperTokens.get(i); |
| pw.print(prefix); pw.print("Wallpaper #"); pw.print(i); |
| pw.print(' '); pw.print(token); |
| if (dumpAll) { |
| pw.println(':'); |
| token.dump(pw, " "); |
| } else { |
| pw.println(); |
| } |
| } |
| } |
| } |
| |
| /** Helper class for storing the results of a wallpaper target find operation. */ |
| final private static class FindWallpaperTargetResult { |
| int topWallpaperIndex = 0; |
| WindowState topWallpaper = null; |
| int wallpaperTargetIndex = 0; |
| WindowState wallpaperTarget = null; |
| |
| void setTopWallpaper(WindowState win, int index) { |
| topWallpaper = win; |
| topWallpaperIndex = index; |
| } |
| |
| void setWallpaperTarget(WindowState win, int index) { |
| wallpaperTarget = win; |
| wallpaperTargetIndex = index; |
| } |
| |
| void reset() { |
| topWallpaperIndex = 0; |
| topWallpaper = null; |
| wallpaperTargetIndex = 0; |
| wallpaperTarget = null; |
| } |
| } |
| } |
