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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.graphics.Rect;
import android.view.MotionEvent;
import android.view.TouchDelegate;
import android.view.View;
/**
* A TouchDelegate to pass the events from one view to another.
* Usually it's better to give half of the tail's width to the other
* view that is being overlapped.
*/
public class TailTouchDelegate extends TouchDelegate {
/**
* Creates a TailTouchDelegate for a view.
*
* @param bounds The rectangular bounds on the view which should delegate events.
* @param delegateView The view that should get the delegated events.
*/
public TailTouchDelegate(Rect bounds, View delegateView) {
super(bounds, delegateView);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// Android bug 36445: Touch Delegation not reset on ACTION_DOWN.
if (!super.onTouchEvent(event)) {
MotionEvent cancelEvent = MotionEvent.obtain(event);
cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
super.onTouchEvent(cancelEvent);
return false;
} else {
return true;
}
default:
return super.onTouchEvent(event);
}
}
}
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