Merge "Make AbsActionBarView eat touch/hover events" (0bff3df0) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/widget/AbsActionBarView.java

+55 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ import com.android.internal.R;

		import android.util.TypedValue;
		import android.view.ContextThemeWrapper;
		import android.view.MotionEvent;
		import android.widget.ActionMenuPresenter;
		import android.widget.ActionMenuView;

		@@ -53,6 +54,9 @@ public abstract class AbsActionBarView extends ViewGroup {

		protected Animator mVisibilityAnim;

		private boolean mEatingTouch;
		private boolean mEatingHover;

		public AbsActionBarView(Context context) {
		this(context, null);
		}
		@@ -97,6 +101,57 @@ public abstract class AbsActionBarView extends ViewGroup {
		}
		}

		@Override
		public boolean onTouchEvent(MotionEvent ev) {
		// ActionBarViews always eat touch events, but should still respect the touch event dispatch
		// contract. If the normal View implementation doesn't want the events, we'll just silently
		// eat the rest of the gesture without reporting the events to the default implementation
		// since that's what it expects.

		final int action = ev.getActionMasked();
		if (action == MotionEvent.ACTION_DOWN) {
		mEatingTouch = false;
		}

		if (!mEatingTouch) {
		final boolean handled = super.onTouchEvent(ev);
		if (action == MotionEvent.ACTION_DOWN && !handled) {
		mEatingTouch = true;
		}
		}

		if (action == MotionEvent.ACTION_UP \|\| action == MotionEvent.ACTION_CANCEL) {
		mEatingTouch = false;
		}

		return true;
		}

		@Override
		public boolean onHoverEvent(MotionEvent ev) {
		// Same deal as onTouchEvent() above. Eat all hover events, but still
		// respect the touch event dispatch contract.

		final int action = ev.getActionMasked();
		if (action == MotionEvent.ACTION_HOVER_ENTER) {
		mEatingHover = false;
		}

		if (!mEatingHover) {
		final boolean handled = super.onHoverEvent(ev);
		if (action == MotionEvent.ACTION_HOVER_ENTER && !handled) {
		mEatingHover = true;
		}
		}

		if (action == MotionEvent.ACTION_HOVER_EXIT
		\|\| action == MotionEvent.ACTION_CANCEL) {
		mEatingHover = false;
		}

		return true;
		}

		/**
		* Sets whether the bar should be split right now, no questions asked.
		* @param split true if the bar should split