Adds OnBackPressedOnTaskRoot
This allows Bubbles to be collapsed instead of finished
when there is only one activity in the stack.
Bug: 126852149
Test: launch activity, press back
Change-Id: Iad8db0549853e3f385d54fc6b6cea5e502d37139
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 4a6aa33..b234bc6 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -141,6 +141,7 @@
import android.app.IApplicationThread;
import android.app.IAssistDataReceiver;
import android.app.INotificationManager;
+import android.app.IRequestFinishCallback;
import android.app.ITaskStackListener;
import android.app.Notification;
import android.app.NotificationManager;
@@ -2288,6 +2289,32 @@
}
}
+ @Override
+ public void onBackPressedOnTaskRoot(IBinder token, IRequestFinishCallback callback) {
+ synchronized (mGlobalLock) {
+ ActivityRecord r = ActivityRecord.isInStackLocked(token);
+ if (r == null) {
+ return;
+ }
+ ActivityStack stack = r.getActivityStack();
+ if (stack != null && stack.isSingleTaskInstance()) {
+ // Single-task stacks are used for activities which are presented in floating
+ // windows above full screen activities. Instead of directly finishing the
+ // task, a task change listener is used to notify SystemUI so the action can be
+ // handled specially.
+ final TaskRecord task = r.getTaskRecord();
+ mTaskChangeNotificationController
+ .notifyBackPressedOnTaskRoot(task.getTaskInfo());
+ } else {
+ try {
+ callback.requestFinish();
+ } catch (RemoteException e) {
+ Slog.e(TAG, "Failed to invoke request finish callback", e);
+ }
+ }
+ }
+ }
+
/**
* TODO: Add mController hook
*/