/*
|
* Copyright (c) 2010-2019 Belledonne Communications SARL.
|
*
|
* This file is part of linphone-android
|
* (see https://www.linphone.org).
|
*
|
* This program is free software: you can redistribute it and/or modify
|
* it under the terms of the GNU General Public License as published by
|
* the Free Software Foundation, either version 3 of the License, or
|
* (at your option) any later version.
|
*
|
* This program is distributed in the hope that it will be useful,
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* GNU General Public License for more details.
|
*
|
* You should have received a copy of the GNU General Public License
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
*/
|
package org.linphone.compatibility;
|
|
import android.content.Context;
|
import android.view.MotionEvent;
|
import android.view.ScaleGestureDetector;
|
|
public class CompatibilityScaleGestureDetector
|
extends ScaleGestureDetector.SimpleOnScaleGestureListener {
|
private ScaleGestureDetector detector;
|
private CompatibilityScaleGestureListener listener;
|
|
public CompatibilityScaleGestureDetector(Context context) {
|
detector = new ScaleGestureDetector(context, this);
|
}
|
|
public void setOnScaleListener(CompatibilityScaleGestureListener newListener) {
|
listener = newListener;
|
}
|
|
public void onTouchEvent(MotionEvent event) {
|
detector.onTouchEvent(event);
|
}
|
|
@Override
|
public boolean onScale(ScaleGestureDetector detector) {
|
if (listener == null) {
|
return false;
|
}
|
|
return listener.onScale(this);
|
}
|
|
public float getScaleFactor() {
|
return detector.getScaleFactor();
|
}
|
|
public void destroy() {
|
listener = null;
|
detector = null;
|
}
|
}
|