Merge "Record latest back gesture occur on which task." into main
diff --git a/core/java/android/window/BackNavigationInfo.java b/core/java/android/window/BackNavigationInfo.java
index 59639d0..6cefc4d 100644
--- a/core/java/android/window/BackNavigationInfo.java
+++ b/core/java/android/window/BackNavigationInfo.java
@@ -16,6 +16,8 @@
package android.window;
+import static android.app.ActivityTaskManager.INVALID_TASK_ID;
+
import android.annotation.AnimRes;
import android.annotation.ColorInt;
import android.annotation.IntDef;
@@ -118,6 +120,7 @@
private final Rect mTouchableRegion;
private final boolean mAppProgressGenerationAllowed;
+ private final int mFocusedTaskId;
/**
* Create a new {@link BackNavigationInfo} instance.
@@ -135,7 +138,8 @@
@Nullable CustomAnimationInfo customAnimationInfo,
int letterboxColor,
@Nullable Rect touchableRegion,
- boolean appProgressGenerationAllowed) {
+ boolean appProgressGenerationAllowed,
+ int focusedTaskId) {
mType = type;
mOnBackNavigationDone = onBackNavigationDone;
mOnBackInvokedCallback = onBackInvokedCallback;
@@ -145,6 +149,7 @@
mLetterboxColor = letterboxColor;
mTouchableRegion = new Rect(touchableRegion);
mAppProgressGenerationAllowed = appProgressGenerationAllowed;
+ mFocusedTaskId = focusedTaskId;
}
private BackNavigationInfo(@NonNull Parcel in) {
@@ -157,6 +162,7 @@
mLetterboxColor = in.readInt();
mTouchableRegion = in.readTypedObject(Rect.CREATOR);
mAppProgressGenerationAllowed = in.readBoolean();
+ mFocusedTaskId = in.readInt();
}
/** @hide */
@@ -171,6 +177,7 @@
dest.writeInt(mLetterboxColor);
dest.writeTypedObject(mTouchableRegion, flags);
dest.writeBoolean(mAppProgressGenerationAllowed);
+ dest.writeInt(mFocusedTaskId);
}
/**
@@ -238,6 +245,14 @@
}
/**
+ * @return The focused task id when back gesture start.
+ * @hide
+ */
+ public int getFocusedTaskId() {
+ return mFocusedTaskId;
+ }
+
+ /**
* Callback to be called when the back preview is finished in order to notify the server that
* it can clean up the resources created for the animation.
* @hide
@@ -435,6 +450,7 @@
private int mLetterboxColor = Color.TRANSPARENT;
private Rect mTouchableRegion;
private boolean mAppProgressGenerationAllowed;
+ private int mFocusedTaskId = INVALID_TASK_ID;
/**
* @see BackNavigationInfo#getType()
@@ -527,6 +543,14 @@
}
/**
+ * @param focusedTaskId The current focused taskId when back gesture start.
+ */
+ public Builder setFocusedTaskId(int focusedTaskId) {
+ mFocusedTaskId = focusedTaskId;
+ return this;
+ }
+
+ /**
* Builds and returns an instance of {@link BackNavigationInfo}
*/
public BackNavigationInfo build() {
@@ -537,7 +561,8 @@
mCustomAnimationInfo,
mLetterboxColor,
mTouchableRegion,
- mAppProgressGenerationAllowed);
+ mAppProgressGenerationAllowed,
+ mFocusedTaskId);
}
}
}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
index 19b51f1..fafb69c 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
@@ -164,6 +164,9 @@
*/
private BackTouchTracker mQueuedTracker = new BackTouchTracker();
+ private final FocusTaskTrackerObserver mFocusTaskTrackerObserver =
+ new FocusTaskTrackerObserver();
+
private final Runnable mAnimationTimeoutRunnable = () -> {
ProtoLog.w(WM_SHELL_BACK_PREVIEW, "Animation didn't finish in %d ms. Resetting...",
MAX_ANIMATION_DURATION);
@@ -268,6 +271,7 @@
mBackTransitionHandler = new BackTransitionHandler();
mTransitions.addHandler(mBackTransitionHandler);
mHandler = handler;
+ mTransitions.registerObserver(mFocusTaskTrackerObserver);
updateTouchableArea();
}
@@ -729,6 +733,13 @@
}
/**
+ * @return Latest task id which back gesture has occurred on it.
+ */
+ public int getLatestTriggerBackTask() {
+ return mFocusTaskTrackerObserver.mFocusedTaskId;
+ }
+
+ /**
* Sets to true when the back gesture has passed the triggering threshold, false otherwise.
*/
public void setTriggerBack(boolean triggerBack) {
@@ -792,6 +803,11 @@
boolean triggerBack = activeTouchTracker.getTriggerBack();
ProtoLog.d(WM_SHELL_BACK_PREVIEW, "onGestureFinished() mTriggerBack == %s", triggerBack);
+ if (triggerBack) {
+ mFocusTaskTrackerObserver.update(mBackNavigationInfo != null
+ ? mBackNavigationInfo.getFocusedTaskId()
+ : INVALID_TASK_ID);
+ }
// Reset gesture states.
mThresholdCrossed = false;
mPointersPilfered = false;
@@ -1645,4 +1661,48 @@
private static boolean canBeTransitionTarget(TransitionInfo.Change change) {
return findComponentName(change) != null || findTaskId(change) != INVALID_TASK_ID;
}
+
+ // Record the latest back gesture happen on which task.
+ static class FocusTaskTrackerObserver implements Transitions.TransitionObserver {
+ int mFocusedTaskId = INVALID_TASK_ID;
+ IBinder mMonitorBinder;
+
+ void update(int focusedTaskId) {
+ mFocusedTaskId = focusedTaskId;
+ }
+
+ @Override
+ public void onTransitionReady(@NonNull IBinder transition, @NonNull TransitionInfo info,
+ @NonNull SurfaceControl.Transaction startTransaction,
+ @NonNull SurfaceControl.Transaction finishTransaction) {
+ if (mFocusedTaskId == INVALID_TASK_ID) {
+ return;
+ }
+ for (int i = info.getChanges().size() - 1; i >= 0; --i) {
+ final TransitionInfo.Change c = info.getChanges().get(i);
+ if (c.getTaskInfo() != null && c.getTaskInfo().taskId == mFocusedTaskId) {
+ mMonitorBinder = transition;
+ break;
+ }
+ }
+ // Transition happen but the task isn't involved, reset.
+ if (mMonitorBinder == null) {
+ mFocusedTaskId = INVALID_TASK_ID;
+ }
+ }
+
+ @Override
+ public void onTransitionMerged(@NonNull IBinder merged, @NonNull IBinder playing) {
+ if (mMonitorBinder == merged) {
+ mMonitorBinder = playing;
+ }
+ }
+
+ @Override
+ public void onTransitionFinished(@NonNull IBinder transition, boolean aborted) {
+ if (mMonitorBinder == transition) {
+ mFocusedTaskId = INVALID_TASK_ID;
+ }
+ }
+ }
}
diff --git a/services/core/java/com/android/server/wm/BackNavigationController.java b/services/core/java/com/android/server/wm/BackNavigationController.java
index 70f9ebb..ccd5996 100644
--- a/services/core/java/com/android/server/wm/BackNavigationController.java
+++ b/services/core/java/com/android/server/wm/BackNavigationController.java
@@ -201,6 +201,9 @@
infoBuilder.setTouchableRegion(window.getFrame());
infoBuilder.setAppProgressAllowed((window.getAttrs().privateFlags
& PRIVATE_FLAG_APP_PROGRESS_GENERATION_ALLOWED) != 0);
+ if (currentTask != null) {
+ infoBuilder.setFocusedTaskId(currentTask.mTaskId);
+ }
mNavigationMonitor.startMonitor(window, navigationObserver);
ProtoLog.d(WM_DEBUG_BACK_PREVIEW, "startBackNavigation currentTask=%s, "