diff options
Diffstat (limited to 'core/java')
| -rw-r--r-- | core/java/android/view/InputEventReceiver.java | 9 | ||||
| -rw-r--r-- | core/java/android/view/ViewRootImpl.java | 8 |
2 files changed, 13 insertions, 4 deletions
diff --git a/core/java/android/view/InputEventReceiver.java b/core/java/android/view/InputEventReceiver.java index f5ee7ed..25972e7 100644 --- a/core/java/android/view/InputEventReceiver.java +++ b/core/java/android/view/InputEventReceiver.java @@ -48,7 +48,7 @@ public abstract class InputEventReceiver { InputChannel inputChannel, MessageQueue messageQueue); private static native void nativeDispose(int receiverPtr); private static native void nativeFinishInputEvent(int receiverPtr, int seq, boolean handled); - private static native void nativeConsumeBatchedInputEvents(int receiverPtr, + private static native boolean nativeConsumeBatchedInputEvents(int receiverPtr, long frameTimeNanos); /** @@ -165,14 +165,17 @@ public abstract class InputEventReceiver { * * @param frameTimeNanos The time in the {@link System#nanoTime()} time base * when the current display frame started rendering, or -1 if unknown. + * + * @return Whether a batch was consumed */ - public final void consumeBatchedInputEvents(long frameTimeNanos) { + public final boolean consumeBatchedInputEvents(long frameTimeNanos) { if (mReceiverPtr == 0) { Log.w(TAG, "Attempted to consume batched input events but the input event " + "receiver has already been disposed."); } else { - nativeConsumeBatchedInputEvents(mReceiverPtr, frameTimeNanos); + return nativeConsumeBatchedInputEvents(mReceiverPtr, frameTimeNanos); } + return false; } // Called from native code. diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java index ab93084..637af6f 100644 --- a/core/java/android/view/ViewRootImpl.java +++ b/core/java/android/view/ViewRootImpl.java @@ -5635,7 +5635,13 @@ public final class ViewRootImpl implements ViewParent, if (mConsumeBatchedInputScheduled) { mConsumeBatchedInputScheduled = false; if (mInputEventReceiver != null) { - mInputEventReceiver.consumeBatchedInputEvents(frameTimeNanos); + if (mInputEventReceiver.consumeBatchedInputEvents(frameTimeNanos)) { + // If we consumed a batch here, we want to go ahead and schedule the + // consumption of batched input events on the next frame. Otherwise, we would + // wait until we have more input events pending and might get starved by other + // things occurring in the process. + scheduleConsumeBatchedInput(); + } } doProcessInputEvents(); } |