[wm] Add APIs to notify task focused & task focus lost
- Let listeners know which task is going to front or back.
onTaskFocusChanged(taskId, focused)
- calls when the task gets or loses focus.
Test: atest ActivityStackSupervisorTest#testNotifyTaskFocusChanged
Bug: 129951708
Change-Id: I92bfdb760f4c5f1db00334f4eff41fe52115b942
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 5f3e3a3..41d4ff7 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -5554,11 +5554,20 @@
if (mLastResumedActivity != null && r.mUserId != mLastResumedActivity.mUserId) {
mAmInternal.sendForegroundProfileChanged(r.mUserId);
}
+ final Task prevTask = mLastResumedActivity != null ? mLastResumedActivity.getTask() : null;
+
updateResumedAppTrace(r);
mLastResumedActivity = r;
r.getDisplay().setFocusedApp(r, true);
+ if (prevTask == null || task != prevTask) {
+ if (prevTask != null) {
+ mTaskChangeNotificationController.notifyTaskFocusChanged(prevTask.mTaskId, false);
+ }
+ mTaskChangeNotificationController.notifyTaskFocusChanged(task.mTaskId, true);
+ }
+
applyUpdateLockStateLocked(r);
applyUpdateVrModeLocked(r);