Revert "Revert "2/ Add support for remote Recents animation""
This reverts commit 9f8518e532e41ba57916afc49bba72bc23ad3eda.
Reason for revert: Testing relanding changes with ag/3515280
Change-Id: I410bd752c815a5b998a719453def01e00a9d47c8
diff --git a/services/core/java/com/android/server/am/ActivityDisplay.java b/services/core/java/com/android/server/am/ActivityDisplay.java
index 46ab0e0..aa8d56b 100644
--- a/services/core/java/com/android/server/am/ActivityDisplay.java
+++ b/services/core/java/com/android/server/am/ActivityDisplay.java
@@ -16,6 +16,7 @@
package com.android.server.am;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
@@ -664,6 +665,64 @@
&& (mSupervisor.mService.mRunningVoice == null);
}
+ /**
+ * @return the stack currently above the home stack. Can be null if there is no home stack, or
+ * the home stack is already on top.
+ */
+ ActivityStack getStackAboveHome() {
+ if (mHomeStack == null) {
+ // Skip if there is no home stack
+ return null;
+ }
+
+ final int stackIndex = mStacks.indexOf(mHomeStack) + 1;
+ return (stackIndex < mStacks.size()) ? mStacks.get(stackIndex) : null;
+ }
+
+ /**
+ * Adjusts the home stack behind the last visible stack in the display if necessary. Generally
+ * used in conjunction with {@link #moveHomeStackBehindStack}.
+ */
+ void moveHomeStackBehindBottomMostVisibleStack() {
+ if (mHomeStack == null) {
+ // Skip if there is no home stack
+ return;
+ }
+
+ // Move the home stack to the bottom to not affect the following visibility checks
+ positionChildAtBottom(mHomeStack);
+
+ // Find the next position where the homes stack should be placed
+ final int numStacks = mStacks.size();
+ for (int stackNdx = 0; stackNdx < numStacks; stackNdx++) {
+ final ActivityStack stack = mStacks.get(stackNdx);
+ if (stack == mHomeStack) {
+ continue;
+ }
+ final int winMode = stack.getWindowingMode();
+ final boolean isValidWindowingMode = winMode == WINDOWING_MODE_FULLSCREEN ||
+ winMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
+ if (stack.shouldBeVisible(null) && isValidWindowingMode) {
+ // Move the home stack to behind this stack
+ positionChildAt(mHomeStack, Math.max(0, stackNdx - 1));
+ break;
+ }
+ }
+ }
+
+ /**
+ * Moves the home stack behind the given {@param stack} if possible. If {@param stack} is not
+ * currently in the display, then then the home stack is moved to the back. Generally used in
+ * conjunction with {@link #moveHomeStackBehindBottomMostVisibleStack}.
+ */
+ void moveHomeStackBehindStack(ActivityStack behindStack) {
+ if (behindStack == null) {
+ return;
+ }
+
+ positionChildAt(mHomeStack, Math.max(0, mStacks.indexOf(behindStack) - 1));
+ }
+
boolean isSleeping() {
return mSleeping;
}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index f469437..f4bf884 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -39,6 +39,7 @@
import static android.app.ActivityThread.PROC_START_SEQ_IDENT;
import static android.app.AppOpsManager.OP_ASSIST_STRUCTURE;
import static android.app.AppOpsManager.OP_NONE;
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
@@ -377,6 +378,7 @@
import android.util.proto.ProtoOutputStream;
import android.util.proto.ProtoUtils;
import android.view.Gravity;
+import android.view.IRecentsAnimationRunner;
import android.view.LayoutInflater;
import android.view.RemoteAnimationDefinition;
import android.view.View;
@@ -450,6 +452,7 @@
import com.android.server.utils.PriorityDump;
import com.android.server.vr.VrManagerInternal;
import com.android.server.wm.PinnedStackWindowController;
+import com.android.server.wm.RecentsAnimationController;
import com.android.server.wm.WindowManagerService;
import dalvik.system.VMRuntime;
@@ -5096,23 +5099,16 @@
}
@Override
- public int startRecentsActivity(IAssistDataReceiver assistDataReceiver, Bundle options,
- Bundle activityOptions, int userId) {
- if (!mRecentTasks.isCallerRecents(Binder.getCallingUid())) {
- String msg = "Permission Denial: startRecentsActivity() from pid="
- + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
- + " not recent tasks package";
- Slog.w(TAG, msg);
- throw new SecurityException(msg);
- }
-
- final SafeActivityOptions safeOptions = SafeActivityOptions.fromBundle(options);
- final int recentsUid = mRecentTasks.getRecentsComponentUid();
- final ComponentName recentsComponent = mRecentTasks.getRecentsComponent();
- final String recentsPackage = recentsComponent.getPackageName();
+ public void startRecentsActivity(Intent intent, IAssistDataReceiver assistDataReceiver,
+ IRecentsAnimationRunner recentsAnimationRunner) {
+ enforceCallerIsRecentsOrHasPermission(MANAGE_ACTIVITY_STACKS, "startRecentsActivity()");
final long origId = Binder.clearCallingIdentity();
try {
synchronized (this) {
+ final int recentsUid = mRecentTasks.getRecentsComponentUid();
+ final ComponentName recentsComponent = mRecentTasks.getRecentsComponent();
+ final String recentsPackage = recentsComponent.getPackageName();
+
// If provided, kick off the request for the assist data in the background before
// starting the activity
if (assistDataReceiver != null) {
@@ -5129,17 +5125,24 @@
recentsUid, recentsPackage);
}
- final Intent intent = new Intent();
- intent.setFlags(FLAG_ACTIVITY_NEW_TASK);
- intent.setComponent(recentsComponent);
- intent.putExtras(options);
+ // Start a new recents animation
+ final RecentsAnimation anim = new RecentsAnimation(this, mStackSupervisor,
+ mActivityStartController, mWindowManager, mUserController);
+ anim.startRecentsActivity(intent, recentsAnimationRunner, recentsComponent,
+ recentsUid);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
- return mActivityStartController.obtainStarter(intent, "startRecentsActivity")
- .setCallingUid(recentsUid)
- .setCallingPackage(recentsPackage)
- .setActivityOptions(safeOptions)
- .setMayWait(userId)
- .execute();
+ @Override
+ public void cancelRecentsAnimation() {
+ enforceCallerIsRecentsOrHasPermission(MANAGE_ACTIVITY_STACKS, "cancelRecentsAnimation()");
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (this) {
+ mWindowManager.cancelRecentsAnimation();
}
} finally {
Binder.restoreCallingIdentity(origId);
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index bfb563f..510a3fa 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -297,6 +297,7 @@
private RunningTasks mRunningTasks;
final ActivityStackSupervisorHandler mHandler;
+ final Looper mLooper;
/** Short cut */
WindowManagerService mWindowManager;
@@ -581,6 +582,7 @@
public ActivityStackSupervisor(ActivityManagerService service, Looper looper) {
mService = service;
+ mLooper = looper;
mHandler = new ActivityStackSupervisorHandler(looper);
}
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 4dc30dd..8fd754a 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -302,6 +302,7 @@
SafeActivityOptions activityOptions;
boolean ignoreTargetSecurity;
boolean componentSpecified;
+ boolean avoidMoveToFront;
ActivityRecord[] outActivity;
TaskRecord inTask;
String reason;
@@ -356,6 +357,7 @@
userId = 0;
waitResult = null;
mayWait = false;
+ avoidMoveToFront = false;
}
/**
@@ -390,6 +392,7 @@
userId = request.userId;
waitResult = request.waitResult;
mayWait = request.mayWait;
+ avoidMoveToFront = request.avoidMoveToFront;
}
}
@@ -1485,19 +1488,23 @@
mDoResume = false;
}
- if (mOptions != null && mOptions.getLaunchTaskId() != -1
- && mOptions.getTaskOverlay()) {
- r.mTaskOverlay = true;
- if (!mOptions.canTaskOverlayResume()) {
- final TaskRecord task = mSupervisor.anyTaskForIdLocked(mOptions.getLaunchTaskId());
- final ActivityRecord top = task != null ? task.getTopActivity() : null;
- if (top != null && top.state != RESUMED) {
+ if (mOptions != null) {
+ if (mOptions.getLaunchTaskId() != -1 && mOptions.getTaskOverlay()) {
+ r.mTaskOverlay = true;
+ if (!mOptions.canTaskOverlayResume()) {
+ final TaskRecord task = mSupervisor.anyTaskForIdLocked(
+ mOptions.getLaunchTaskId());
+ final ActivityRecord top = task != null ? task.getTopActivity() : null;
+ if (top != null && top.state != RESUMED) {
- // The caller specifies that we'd like to be avoided to be moved to the front,
- // so be it!
- mDoResume = false;
- mAvoidMoveToFront = true;
+ // The caller specifies that we'd like to be avoided to be moved to the
+ // front, so be it!
+ mDoResume = false;
+ mAvoidMoveToFront = true;
+ }
}
+ } else if (mOptions.getAvoidMoveToFront()) {
+ mAvoidMoveToFront = true;
}
}
@@ -1838,7 +1845,7 @@
// Need to update mTargetStack because if task was moved out of it, the original stack may
// be destroyed.
mTargetStack = intentActivity.getStack();
- if (!mMovedToFront && mDoResume) {
+ if (!mAvoidMoveToFront && !mMovedToFront && mDoResume) {
if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Bring to front target: " + mTargetStack
+ " from " + intentActivity);
mTargetStack.moveToFront("intentActivityFound");
diff --git a/services/core/java/com/android/server/am/RecentsAnimation.java b/services/core/java/com/android/server/am/RecentsAnimation.java
new file mode 100644
index 0000000..fe576fda
--- /dev/null
+++ b/services/core/java/com/android/server/am/RecentsAnimation.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2018 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.am;
+
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;
+import static android.view.WindowManager.TRANSIT_NONE;
+import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
+
+import android.app.ActivityOptions;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.os.Handler;
+import android.view.IRecentsAnimationRunner;
+import com.android.server.wm.RecentsAnimationController.RecentsAnimationCallbacks;
+import com.android.server.wm.WindowManagerService;
+
+/**
+ * Manages the recents animation, including the reordering of the stacks for the transition and
+ * cleanup. See {@link com.android.server.wm.RecentsAnimationController}.
+ */
+class RecentsAnimation implements RecentsAnimationCallbacks {
+ private static final String TAG = RecentsAnimation.class.getSimpleName();
+
+ private static final int RECENTS_ANIMATION_TIMEOUT = 10 * 1000;
+
+ private final ActivityManagerService mService;
+ private final ActivityStackSupervisor mStackSupervisor;
+ private final ActivityStartController mActivityStartController;
+ private final WindowManagerService mWindowManager;
+ private final UserController mUserController;
+ private final Handler mHandler;
+
+ private final Runnable mCancelAnimationRunnable;
+
+ // The stack to restore the home stack behind when the animation is finished
+ private ActivityStack mRestoreHomeBehindStack;
+
+ RecentsAnimation(ActivityManagerService am, ActivityStackSupervisor stackSupervisor,
+ ActivityStartController activityStartController, WindowManagerService wm,
+ UserController userController) {
+ mService = am;
+ mStackSupervisor = stackSupervisor;
+ mActivityStartController = activityStartController;
+ mHandler = new Handler(mStackSupervisor.mLooper);
+ mWindowManager = wm;
+ mUserController = userController;
+ mCancelAnimationRunnable = () -> {
+ // The caller has not finished the animation in a predefined amount of time, so
+ // force-cancel the animation
+ mWindowManager.cancelRecentsAnimation();
+ };
+ }
+
+ void startRecentsActivity(Intent intent, IRecentsAnimationRunner recentsAnimationRunner,
+ ComponentName recentsComponent, int recentsUid) {
+
+ // Cancel the previous recents animation if necessary
+ mWindowManager.cancelRecentsAnimation();
+
+ final boolean hasExistingHomeActivity = mStackSupervisor.getHomeActivity() != null;
+ if (!hasExistingHomeActivity) {
+ // No home activity
+ final ActivityOptions opts = ActivityOptions.makeBasic();
+ opts.setLaunchActivityType(ACTIVITY_TYPE_HOME);
+ opts.setAvoidMoveToFront();
+ intent.addFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_NO_ANIMATION);
+
+ mActivityStartController.obtainStarter(intent, "startRecentsActivity_noHomeActivity")
+ .setCallingUid(recentsUid)
+ .setCallingPackage(recentsComponent.getPackageName())
+ .setActivityOptions(SafeActivityOptions.fromBundle(opts.toBundle()))
+ .setMayWait(mUserController.getCurrentUserId())
+ .execute();
+ mWindowManager.prepareAppTransition(TRANSIT_NONE, false);
+
+ // TODO: Maybe wait for app to draw in this particular case?
+ }
+
+ final ActivityRecord homeActivity = mStackSupervisor.getHomeActivity();
+ final ActivityDisplay display = homeActivity.getDisplay();
+
+ // Save the initial position of the home activity stack to be restored to after the
+ // animation completes
+ mRestoreHomeBehindStack = hasExistingHomeActivity
+ ? display.getStackAboveHome()
+ : null;
+
+ // Move the home activity into place for the animation
+ display.moveHomeStackBehindBottomMostVisibleStack();
+
+ // Mark the home activity as launch-behind to bump its visibility for the
+ // duration of the gesture that is driven by the recents component
+ homeActivity.mLaunchTaskBehind = true;
+
+ // Fetch all the surface controls and pass them to the client to get the animation
+ // started
+ mWindowManager.initializeRecentsAnimation(recentsAnimationRunner, this, display.mDisplayId);
+
+ // If we updated the launch-behind state, update the visibility of the activities after we
+ // fetch the visible tasks to be controlled by the animation
+ mStackSupervisor.ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS);
+
+ // Post a timeout for the animation
+ mHandler.postDelayed(mCancelAnimationRunnable, RECENTS_ANIMATION_TIMEOUT);
+ }
+
+ @Override
+ public void onAnimationFinished(boolean moveHomeToTop) {
+ mHandler.removeCallbacks(mCancelAnimationRunnable);
+ synchronized (mService) {
+ if (mWindowManager.getRecentsAnimationController() == null) return;
+
+ mWindowManager.inSurfaceTransaction(() -> {
+ mWindowManager.cleanupRecentsAnimation();
+
+ // Move the home stack to the front
+ final ActivityRecord homeActivity = mStackSupervisor.getHomeActivity();
+ if (homeActivity == null) {
+ return;
+ }
+
+ // Restore the launched-behind state
+ homeActivity.mLaunchTaskBehind = false;
+
+ if (moveHomeToTop) {
+ // Bring the home stack to the front
+ final ActivityStack homeStack = homeActivity.getStack();
+ homeStack.mNoAnimActivities.add(homeActivity);
+ homeStack.moveToFront("RecentsAnimation.onAnimationFinished()");
+ } else {
+ // Restore the home stack to its previous position
+ final ActivityDisplay display = homeActivity.getDisplay();
+ display.moveHomeStackBehindStack(mRestoreHomeBehindStack);
+ }
+
+ mWindowManager.prepareAppTransition(TRANSIT_NONE, false);
+ mStackSupervisor.ensureActivitiesVisibleLocked(null, 0, false);
+ mStackSupervisor.resumeFocusedStackTopActivityLocked();
+ });
+ }
+ }
+}
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index d7a58d9..3f49f0c 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -1508,6 +1508,10 @@
return mTaskStackContainers.getTopStack();
}
+ ArrayList<Task> getVisibleTasks() {
+ return mTaskStackContainers.getVisibleTasks();
+ }
+
void onStackWindowingModeChanged(TaskStack stack) {
mTaskStackContainers.onStackWindowingModeChanged(stack);
}
@@ -3260,6 +3264,16 @@
return mSplitScreenPrimaryStack;
}
+ ArrayList<Task> getVisibleTasks() {
+ final ArrayList<Task> visibleTasks = new ArrayList<>();
+ forAllTasks(task -> {
+ if (task.isVisible()) {
+ visibleTasks.add(task);
+ }
+ });
+ return visibleTasks;
+ }
+
/**
* Adds the stack to this container.
* @see DisplayContent#createStack(int, boolean, StackWindowController)
diff --git a/services/core/java/com/android/server/wm/RecentsAnimationController.java b/services/core/java/com/android/server/wm/RecentsAnimationController.java
new file mode 100644
index 0000000..c7ad17b
--- /dev/null
+++ b/services/core/java/com/android/server/wm/RecentsAnimationController.java
@@ -0,0 +1,373 @@
+/*
+ * Copyright (C) 2017 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.WindowConfiguration.ACTIVITY_TYPE_HOME;
+import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
+import static android.view.RemoteAnimationTarget.MODE_CLOSING;
+import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
+import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
+
+import android.app.ActivityManager;
+import android.app.ActivityManager.TaskSnapshot;
+import android.app.WindowConfiguration;
+import android.graphics.GraphicBuffer;
+import android.graphics.Point;
+import android.graphics.Rect;
+import android.os.Binder;
+import android.os.RemoteException;
+import android.os.SystemClock;
+import android.util.Log;
+import android.util.Slog;
+import android.view.IRecentsAnimationController;
+import android.view.IRecentsAnimationRunner;
+import android.view.RemoteAnimationTarget;
+import android.view.SurfaceControl;
+import android.view.SurfaceControl.Transaction;
+import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+
+/**
+ * Controls a single instance of the remote driven recents animation. In particular, this allows
+ * the calling SystemUI to animate the visible task windows as a part of the transition. The remote
+ * runner is provided an animation controller which allows it to take screenshots and to notify
+ * window manager when the animation is completed. In addition, window manager may also notify the
+ * app if it requires the animation to be canceled at any time (ie. due to timeout, etc.)
+ */
+public class RecentsAnimationController {
+ private static final String TAG = TAG_WITH_CLASS_NAME ? "RecentsAnimationController" : TAG_WM;
+ private static final boolean DEBUG = false;
+
+ private final WindowManagerService mService;
+ private final IRecentsAnimationRunner mRunner;
+ private final RecentsAnimationCallbacks mCallbacks;
+ private final ArrayList<TaskAnimationAdapter> mPendingAnimations = new ArrayList<>();
+
+ // The recents component app token that is shown behind the visibile tasks
+ private AppWindowToken mHomeAppToken;
+
+ // We start the RecentsAnimationController in a pending-start state since we need to wait for
+ // the wallpaper/activity to draw before we can give control to the handler to start animating
+ // the visible task surfaces
+ private boolean mPendingStart = true;
+
+ // Set when the animation has been canceled
+ private boolean mCanceled = false;
+
+ // Whether or not the input consumer is enabled. The input consumer must be both registered and
+ // enabled for it to start intercepting touch events.
+ private boolean mInputConsumerEnabled;
+
+ public interface RecentsAnimationCallbacks {
+ void onAnimationFinished(boolean moveHomeToTop);
+ }
+
+ private final IRecentsAnimationController mController =
+ new IRecentsAnimationController.Stub() {
+
+ @Override
+ public TaskSnapshot screenshotTask(int taskId) {
+ if (DEBUG) Log.d(TAG, "screenshotTask(" + taskId + "): mCanceled=" + mCanceled);
+ long token = Binder.clearCallingIdentity();
+ try {
+ synchronized (mService.getWindowManagerLock()) {
+ if (mCanceled) {
+ return null;
+ }
+ for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
+ final TaskAnimationAdapter adapter = mPendingAnimations.get(i);
+ final Task task = adapter.mTask;
+ if (task.mTaskId == taskId) {
+ // TODO: Save this screenshot as the task snapshot?
+ final Rect taskFrame = new Rect();
+ task.getBounds(taskFrame);
+ final GraphicBuffer buffer = SurfaceControl.captureLayers(
+ task.getSurfaceControl().getHandle(), taskFrame, 1f);
+ final AppWindowToken topChild = task.getTopChild();
+ final WindowState mainWindow = topChild.findMainWindow();
+ return new TaskSnapshot(buffer, topChild.getConfiguration().orientation,
+ mainWindow.mStableInsets,
+ ActivityManager.isLowRamDeviceStatic() /* reduced */,
+ 1.0f /* scale */);
+ }
+ }
+ return null;
+ }
+ } finally {
+ Binder.restoreCallingIdentity(token);
+ }
+ }
+
+ @Override
+ public void finish(boolean moveHomeToTop) {
+ if (DEBUG) Log.d(TAG, "finish(" + moveHomeToTop + "): mCanceled=" + mCanceled);
+ long token = Binder.clearCallingIdentity();
+ try {
+ synchronized (mService.getWindowManagerLock()) {
+ if (mCanceled) {
+ return;
+ }
+ }
+
+ // Note, the callback will handle its own synchronization, do not lock on WM lock
+ // prior to calling the callback
+ mCallbacks.onAnimationFinished(moveHomeToTop);
+ } finally {
+ Binder.restoreCallingIdentity(token);
+ }
+ }
+
+ @Override
+ public void setInputConsumerEnabled(boolean enabled) {
+ if (DEBUG) Log.d(TAG, "setInputConsumerEnabled(" + enabled + "): mCanceled="
+ + mCanceled);
+ long token = Binder.clearCallingIdentity();
+ try {
+ synchronized (mService.getWindowManagerLock()) {
+ if (mCanceled) {
+ return;
+ }
+
+ mInputConsumerEnabled = enabled;
+ mService.mInputMonitor.updateInputWindowsLw(true /*force*/);
+ mService.scheduleAnimationLocked();
+ }
+ } finally {
+ Binder.restoreCallingIdentity(token);
+ }
+ }
+ };
+
+ /**
+ * Initializes a new RecentsAnimationController.
+ *
+ * @param remoteAnimationRunner The remote runner which should be notified when the animation is
+ * ready to start or has been canceled
+ * @param callbacks Callbacks to be made when the animation finishes
+ * @param restoreHomeBehindStackId The stack id to restore the home stack behind once the
+ * animation is complete. Will be passed to the callback.
+ */
+ RecentsAnimationController(WindowManagerService service,
+ IRecentsAnimationRunner remoteAnimationRunner, RecentsAnimationCallbacks callbacks,
+ int displayId) {
+ mService = service;
+ mRunner = remoteAnimationRunner;
+ mCallbacks = callbacks;
+
+ final DisplayContent dc = mService.mRoot.getDisplayContent(displayId);
+ final ArrayList<Task> visibleTasks = dc.getVisibleTasks();
+ if (visibleTasks.isEmpty()) {
+ cancelAnimation();
+ return;
+ }
+
+ // Make leashes for each of the visible tasks and add it to the recents animation to be
+ // started
+ final int taskCount = visibleTasks.size();
+ for (int i = 0; i < taskCount; i++) {
+ final Task task = visibleTasks.get(i);
+ final WindowConfiguration config = task.getWindowConfiguration();
+ if (config.tasksAreFloating()
+ || config.getWindowingMode() == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
+ || config.getActivityType() == ACTIVITY_TYPE_HOME) {
+ continue;
+ }
+ addAnimation(task);
+ }
+
+ // Adjust the wallpaper visibility for the showing home activity
+ final AppWindowToken recentsComponentAppToken =
+ dc.getHomeStack().getTopChild().getTopFullscreenAppToken();
+ if (recentsComponentAppToken != null) {
+ if (DEBUG) Log.d(TAG, "setHomeApp(" + recentsComponentAppToken.getName() + ")");
+ mHomeAppToken = recentsComponentAppToken;
+ final WallpaperController wc = dc.mWallpaperController;
+ if (recentsComponentAppToken.windowsCanBeWallpaperTarget()) {
+ dc.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
+ dc.setLayoutNeeded();
+ }
+ }
+
+ mService.mWindowPlacerLocked.performSurfacePlacement();
+ }
+
+ private void addAnimation(Task task) {
+ if (DEBUG) Log.d(TAG, "addAnimation(" + task.getName() + ")");
+ final SurfaceAnimator anim = new SurfaceAnimator(task, null /* animationFinishedCallback */,
+ mService.mAnimator::addAfterPrepareSurfacesRunnable, mService);
+ final TaskAnimationAdapter taskAdapter = new TaskAnimationAdapter(task);
+ anim.startAnimation(task.getPendingTransaction(), taskAdapter, false /* hidden */);
+ task.commitPendingTransaction();
+ mPendingAnimations.add(taskAdapter);
+ }
+
+ void startAnimation() {
+ if (DEBUG) Log.d(TAG, "startAnimation(): mPendingStart=" + mPendingStart);
+ if (!mPendingStart) {
+ return;
+ }
+ try {
+ final RemoteAnimationTarget[] appAnimations =
+ new RemoteAnimationTarget[mPendingAnimations.size()];
+ for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
+ appAnimations[i] = mPendingAnimations.get(i).createRemoteAnimationApp();
+ }
+ mPendingStart = false;
+ mRunner.onAnimationStart(mController, appAnimations);
+ } catch (RemoteException e) {
+ Slog.e(TAG, "Failed to start recents animation", e);
+ }
+ }
+
+ void cancelAnimation() {
+ if (DEBUG) Log.d(TAG, "cancelAnimation()");
+ if (mCanceled) {
+ // We've already canceled the animation
+ return;
+ }
+ mCanceled = true;
+ try {
+ mRunner.onAnimationCanceled();
+ } catch (RemoteException e) {
+ Slog.e(TAG, "Failed to cancel recents animation", e);
+ }
+
+ // Clean up and return to the previous app
+ mCallbacks.onAnimationFinished(false /* moveHomeToTop */);
+ }
+
+ void cleanupAnimation() {
+ if (DEBUG) Log.d(TAG, "cleanupAnimation(): mPendingAnimations="
+ + mPendingAnimations.size());
+ for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
+ final TaskAnimationAdapter adapter = mPendingAnimations.get(i);
+ adapter.mCapturedFinishCallback.onAnimationFinished(adapter);
+ }
+ mPendingAnimations.clear();
+
+ mService.mInputMonitor.updateInputWindowsLw(true /*force*/);
+ mService.scheduleAnimationLocked();
+ }
+
+ void checkAnimationReady(WallpaperController wallpaperController) {
+ if (mPendingStart) {
+ final boolean wallpaperReady = !isHomeAppOverWallpaper()
+ || (wallpaperController.getWallpaperTarget() != null
+ && wallpaperController.wallpaperTransitionReady());
+ if (wallpaperReady) {
+ mService.getRecentsAnimationController().startAnimation();
+ }
+ }
+ }
+
+ boolean isWallpaperVisible(WindowState w) {
+ return w != null && w.mAppToken != null && mHomeAppToken == w.mAppToken
+ && isHomeAppOverWallpaper();
+ }
+
+ boolean isHomeAppOverWallpaper() {
+ if (mHomeAppToken == null) {
+ return false;
+ }
+ return mHomeAppToken.windowsCanBeWallpaperTarget();
+ }
+
+ WindowState getHomeAppMainWindow() {
+ if (mHomeAppToken == null) {
+ return null;
+ }
+ return mHomeAppToken.findMainWindow();
+ }
+
+ boolean isAnimatingApp(AppWindowToken appToken) {
+ for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
+ final Task task = mPendingAnimations.get(i).mTask;
+ for (int j = task.getChildCount() - 1; j >= 0; j--) {
+ final AppWindowToken app = task.getChildAt(j);
+ if (app == appToken) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ boolean isInputConsumerEnabled() {
+ return mInputConsumerEnabled;
+ }
+
+ private class TaskAnimationAdapter implements AnimationAdapter {
+
+ private Task mTask;
+ private SurfaceControl mCapturedLeash;
+ private OnAnimationFinishedCallback mCapturedFinishCallback;
+
+ TaskAnimationAdapter(Task task) {
+ mTask = task;
+ }
+
+ RemoteAnimationTarget createRemoteAnimationApp() {
+ // TODO: Do we need position and stack bounds?
+ return new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash,
+ !mTask.fillsParent(),
+ mTask.getTopVisibleAppMainWindow().mWinAnimator.mLastClipRect,
+ mTask.getPrefixOrderIndex(), new Point(), new Rect(),
+ mTask.getWindowConfiguration());
+ }
+
+ @Override
+ public boolean getDetachWallpaper() {
+ return false;
+ }
+
+ @Override
+ public int getBackgroundColor() {
+ return 0;
+ }
+
+ @Override
+ public void startAnimation(SurfaceControl animationLeash, Transaction t,
+ OnAnimationFinishedCallback finishCallback) {
+ mCapturedLeash = animationLeash;
+ mCapturedFinishCallback = finishCallback;
+ }
+
+ @Override
+ public void onAnimationCancelled(SurfaceControl animationLeash) {
+ cancelAnimation();
+ }
+
+ @Override
+ public long getDurationHint() {
+ return 0;
+ }
+
+ @Override
+ public long getStatusBarTransitionsStartTime() {
+ return SystemClock.uptimeMillis();
+ }
+ }
+
+ public void dump(PrintWriter pw, String prefix) {
+ final String innerPrefix = prefix + " ";
+ pw.print(prefix); pw.println(RecentsAnimationController.class.getSimpleName() + ":");
+ pw.print(innerPrefix); pw.println("mPendingStart=" + mPendingStart);
+ pw.print(innerPrefix); pw.println("mHomeAppToken=" + mHomeAppToken);
+ }
+}
diff --git a/services/core/java/com/android/server/wm/RemoteAnimationController.java b/services/core/java/com/android/server/wm/RemoteAnimationController.java
index 8515dcb..7d4eafb 100644
--- a/services/core/java/com/android/server/wm/RemoteAnimationController.java
+++ b/services/core/java/com/android/server/wm/RemoteAnimationController.java
@@ -160,7 +160,8 @@
return new RemoteAnimationTarget(task.mTaskId, getMode(),
mCapturedLeash, !mAppWindowToken.fillsParent(),
mainWindow.mWinAnimator.mLastClipRect,
- mAppWindowToken.getPrefixOrderIndex(), mPosition, mStackBounds);
+ mAppWindowToken.getPrefixOrderIndex(), mPosition, mStackBounds,
+ task.getWindowConfiguration());
}
private int getMode() {
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index 2cc96c9..deed7f1 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -623,6 +623,13 @@
defaultDisplay.pendingLayoutChanges);
}
+ // Defer starting the recents animation until the wallpaper has drawn
+ final RecentsAnimationController recentsAnimationController =
+ mService.getRecentsAnimationController();
+ if (recentsAnimationController != null) {
+ recentsAnimationController.checkAnimationReady(mWallpaperController);
+ }
+
if (mWallpaperForceHidingChanged && defaultDisplay.pendingLayoutChanges == 0
&& !mService.mAppTransition.isReady()) {
// At this point, there was a window with a wallpaper that was force hiding other
diff --git a/services/core/java/com/android/server/wm/SurfaceAnimator.java b/services/core/java/com/android/server/wm/SurfaceAnimator.java
index 10f1c3a..0512a08 100644
--- a/services/core/java/com/android/server/wm/SurfaceAnimator.java
+++ b/services/core/java/com/android/server/wm/SurfaceAnimator.java
@@ -62,7 +62,7 @@
* @param addAfterPrepareSurfaces Consumer that takes a runnable and executes it after preparing
* surfaces in WM. Can be implemented differently during testing.
*/
- SurfaceAnimator(Animatable animatable, Runnable animationFinishedCallback,
+ SurfaceAnimator(Animatable animatable, @Nullable Runnable animationFinishedCallback,
Consumer<Runnable> addAfterPrepareSurfaces, WindowManagerService service) {
mAnimatable = animatable;
mService = service;
@@ -71,7 +71,8 @@
addAfterPrepareSurfaces);
}
- private OnAnimationFinishedCallback getFinishedCallback(Runnable animationFinishedCallback,
+ private OnAnimationFinishedCallback getFinishedCallback(
+ @Nullable Runnable animationFinishedCallback,
Consumer<Runnable> addAfterPrepareSurfaces) {
return anim -> {
synchronized (mService.mWindowMap) {
@@ -97,7 +98,9 @@
SurfaceControl.openTransaction();
try {
reset(t, true /* destroyLeash */);
- animationFinishedCallback.run();
+ if (animationFinishedCallback != null) {
+ animationFinishedCallback.run();
+ }
} finally {
SurfaceControl.mergeToGlobalTransaction(t);
SurfaceControl.closeTransaction();
diff --git a/services/core/java/com/android/server/wm/WallpaperController.java b/services/core/java/com/android/server/wm/WallpaperController.java
index 1218d3b..f2ad6fb 100644
--- a/services/core/java/com/android/server/wm/WallpaperController.java
+++ b/services/core/java/com/android/server/wm/WallpaperController.java
@@ -149,8 +149,17 @@
mFindResults.setUseTopWallpaperAsTarget(true);
}
+ final RecentsAnimationController recentsAnimationController =
+ mService.getRecentsAnimationController();
final boolean hasWallpaper = (w.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0;
- if (hasWallpaper && w.isOnScreen() && (mWallpaperTarget == w || w.isDrawFinishedLw())) {
+ 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()) {
@@ -199,15 +208,22 @@
}
}
- private boolean isWallpaperVisible(WindowState wallpaperTarget) {
+ 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);
+ + " prev=" + mPrevWallpaperTarget
+ + " recentsAnimationWallpaperVisible=" + isAnimatingWithRecentsComponent);
return (wallpaperTarget != null
- && (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null
- && wallpaperTarget.mAppToken.isSelfAnimating())))
+ && (!wallpaperTarget.mObscured
+ || isAnimatingWithRecentsComponent
+ || (wallpaperTarget.mAppToken != null
+ && wallpaperTarget.mAppToken.isSelfAnimating())))
|| mPrevWallpaperTarget != null;
}
@@ -587,6 +603,11 @@
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();
+ }
return true;
}
return false;
diff --git a/services/core/java/com/android/server/wm/WindowContainer.java b/services/core/java/com/android/server/wm/WindowContainer.java
index 42c6ec2..a0b59ef 100644
--- a/services/core/java/com/android/server/wm/WindowContainer.java
+++ b/services/core/java/com/android/server/wm/WindowContainer.java
@@ -337,9 +337,9 @@
}
/** Returns true if this window container has the input child. */
- boolean hasChild(WindowContainer child) {
+ boolean hasChild(E child) {
for (int i = mChildren.size() - 1; i >= 0; --i) {
- final WindowContainer current = mChildren.get(i);
+ final E current = mChildren.get(i);
if (current == child || current.hasChild(child)) {
return true;
}
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index de1e7ec..4fb2390 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -24,6 +24,8 @@
import static android.app.ActivityManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT;
import static android.app.AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
import static android.app.StatusBarManager.DISABLE_MASK;
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
+import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED;
import static android.content.Intent.ACTION_USER_REMOVED;
import static android.content.Intent.EXTRA_USER_HANDLE;
@@ -123,6 +125,7 @@
import android.app.AppOpsManager;
import android.app.IActivityManager;
import android.app.IAssistDataReceiver;
+import android.app.WindowConfiguration;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
@@ -196,6 +199,7 @@
import android.view.IInputFilter;
import android.view.IOnKeyguardExitResult;
import android.view.IPinnedStackListener;
+import android.view.IRecentsAnimationRunner;
import android.view.IRotationWatcher;
import android.view.IWallpaperVisibilityListener;
import android.view.IWindow;
@@ -528,6 +532,7 @@
IInputMethodManager mInputMethodManager;
AccessibilityController mAccessibilityController;
+ private RecentsAnimationController mRecentsAnimationController;
Watermark mWatermark;
StrictModeFlash mStrictModeFlash;
@@ -2670,6 +2675,39 @@
}
}
+ public void initializeRecentsAnimation(
+ IRecentsAnimationRunner recentsAnimationRunner,
+ RecentsAnimationController.RecentsAnimationCallbacks callbacks, int displayId) {
+ synchronized (mWindowMap) {
+ cancelRecentsAnimation();
+ mRecentsAnimationController = new RecentsAnimationController(this,
+ recentsAnimationRunner, callbacks, displayId);
+ }
+ }
+
+ public RecentsAnimationController getRecentsAnimationController() {
+ return mRecentsAnimationController;
+ }
+
+ public void cancelRecentsAnimation() {
+ synchronized (mWindowMap) {
+ if (mRecentsAnimationController != null) {
+ // This call will call through to cleanupAnimation() below after the animation is
+ // canceled
+ mRecentsAnimationController.cancelAnimation();
+ }
+ }
+ }
+
+ public void cleanupRecentsAnimation() {
+ synchronized (mWindowMap) {
+ if (mRecentsAnimationController != null) {
+ mRecentsAnimationController.cleanupAnimation();
+ mRecentsAnimationController = null;
+ }
+ }
+ }
+
public void setAppFullscreen(IBinder token, boolean toOpaque) {
synchronized (mWindowMap) {
final AppWindowToken atoken = mRoot.getAppWindowToken(token);
@@ -6327,6 +6365,10 @@
pw.print(" mSkipAppTransitionAnimation=");pw.println(mSkipAppTransitionAnimation);
pw.println(" mLayoutToAnim:");
mAppTransition.dump(pw, " ");
+ if (mRecentsAnimationController != null) {
+ pw.print(" mRecentsAnimationController="); pw.println(mRecentsAnimationController);
+ mRecentsAnimationController.dump(pw, " ");
+ }
}
}