Fixed StatusBar ANRs due to input event injection on UI thread.
Added a new asynchronous injection mode and made the existing
synchronization mechanism more robust.
Change-Id: I0464f70ff5cbd519dbb02686b2cb5d810fe7dbb2
diff --git a/include/ui/InputManager.h b/include/ui/InputManager.h
index 7ebec10..4012c69 100644
--- a/include/ui/InputManager.h
+++ b/include/ui/InputManager.h
@@ -79,13 +79,12 @@
virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) = 0;
/* Injects an input event and optionally waits for sync.
- * This method may block even if sync is false because it must wait for previous events
- * to be dispatched before it can determine whether input event injection will be
- * permitted based on the current input focus.
+ * The synchronization mode determines whether the method blocks while waiting for
+ * input injection to proceed.
* Returns one of the INPUT_EVENT_INJECTION_XXX constants.
*/
virtual int32_t injectInputEvent(const InputEvent* event,
- int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) = 0;
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) = 0;
/* Preempts input dispatch in progress by making pending synchronous
* dispatches asynchronous instead. This method is generally called during a focus
@@ -142,7 +141,7 @@
virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
virtual int32_t injectInputEvent(const InputEvent* event,
- int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis);
+ int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis);
virtual void preemptInputDispatch();