FairEmail/app/src/main/java/androidx/recyclerview/selection/GestureDetectorOnItemTouchL...

59 lines
2.0 KiB
Java

/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.recyclerview.selection;
import static androidx.core.util.Preconditions.checkArgument;
import android.view.GestureDetector;
import android.view.MotionEvent;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
/**
* Class allowing GestureDetector to listen directly to RecyclerView touch events.
*/
final class GestureDetectorOnItemTouchListenerAdapter implements RecyclerView.OnItemTouchListener {
private final GestureDetector mDetector;
GestureDetectorOnItemTouchListenerAdapter(@NonNull GestureDetector detector) {
checkArgument(detector != null);
mDetector = detector;
}
@Override
public boolean onInterceptTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
// While the idea of "intercepting" an event stream isn't consistent
// with the world-view of GestureDetector, failure to return true here
// resulted in a bug where a context menu shown on an item view was not
// visible...despite returning reporting that the menu was shown.
// See b/143494310 for further details.
return mDetector.onTouchEvent(e);
}
@Override
public void onTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
}
@Override
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
}
}