am 28d3c245: Merge "Cancel or drop key events if activity is stopped." into lmp-mr1-dev (21f16a47) · Commits · e / os / android_frameworks_base

core/java/android/view/InputEvent.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -195,6 +195,13 @@ public abstract class InputEvent implements Parcelable {
		*/
		public abstract long getEventTimeNano();

		/**
		* Marks the input event as being canceled.
		*
		* @hide
		*/
		public abstract void cancel();

		/**
		* Gets the unique sequence number of this event.
		* Every input event that is created or received by a process has a

+10 −0

Original line number	Diff line number	Diff line
		@@ -2303,6 +2303,16 @@ public class KeyEvent extends InputEvent implements Parcelable {
		return (mFlags&FLAG_CANCELED) != 0;
		}

		/**
		* Set {@link #FLAG_CANCELED} flag for the key event.
		*
		* @hide
		*/
		@Override
		public final void cancel() {
		mFlags \|= FLAG_CANCELED;
		}

		/**
		* Call this during {@link Callback#onKeyDown} to have the system track
		* the key through its final up (possibly including a long press). Note

+6 −0

Original line number	Diff line number	Diff line
		@@ -3168,6 +3168,12 @@ public final class MotionEvent extends InputEvent implements Parcelable {
		return ev;
		}

		/** @hide */
		@Override
		public final void cancel() {
		setAction(ACTION_CANCEL);
		}

		public void writeToParcel(Parcel out, int flags) {
		out.writeInt(PARCEL_TOKEN_MOTION_EVENT);
		nativeWriteToParcel(mNativePtr, out);

+13 −6

Original line number	Diff line number	Diff line
		@@ -3596,12 +3596,19 @@ public final class ViewRootImpl implements ViewParent,
		if (mView == null \|\| !mAdded) {
		Slog.w(TAG, "Dropping event due to root view being removed: " + q.mEvent);
		return true;
		} else if (!mAttachInfo.mHasWindowFocus &&
		!q.mEvent.isFromSource(InputDevice.SOURCE_CLASS_POINTER) &&
		!isTerminalInputEvent(q.mEvent)) {
		// If this is a focused event and the window doesn't currently have input focus,
		// then drop this event. This could be an event that came back from the previous
		// stage but the window has lost focus in the meantime.
		} else if ((!mAttachInfo.mHasWindowFocus \|\| mStopped)
		&& !q.mEvent.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) {
		// This is a focus event and the window doesn't currently have input focus or
		// has stopped. This could be an event that came back from the previous stage
		// but the window has lost focus or stopped in the meantime.
		if (isTerminalInputEvent(q.mEvent)) {
		// Don't drop terminal input events, however mark them as canceled.
		q.mEvent.cancel();
		Slog.w(TAG, "Cancelling event due to no window focus: " + q.mEvent);
		return false;
		}

		// Drop non-terminal input events.
		Slog.w(TAG, "Dropping event due to no window focus: " + q.mEvent);
		return true;
		}