/*
* Copyright (C) 2012 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 com.android.launcher2;
import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.animation.ValueAnimator;
import java.util.HashSet;
public class LauncherAnimUtils {
static HashSet<Animator> sAnimators = new HashSet<Animator>();
static Animator.AnimatorListener sEndAnimListener = new Animator.AnimatorListener() {
public void onAnimationStart(Animator animation) {
}
public void onAnimationRepeat(Animator animation) {
}
public void onAnimationEnd(Animator animation) {
sAnimators.remove(animation);
}
public void onAnimationCancel(Animator animation) {
sAnimators.remove(animation);
}
};
public static void cancelOnDestroyActivity(Animator a) {
sAnimators.add(a);
a.addListener(sEndAnimListener);
}
public static void onDestroyActivity() {
HashSet<Animator> animators = new HashSet<Animator>(sAnimators);
for (Animator a : animators) {
if (a.isRunning()) {
a.cancel();
} else {
sAnimators.remove(a);
}
}
}
public static AnimatorSet createAnimatorSet() {
AnimatorSet anim = new AnimatorSet();
cancelOnDestroyActivity(anim);
return anim;
}
public static ValueAnimator ofFloat(float... values) {
ValueAnimator anim = new ValueAnimator();
anim.setFloatValues(values);
cancelOnDestroyActivity(anim);
return anim;
}
public static ObjectAnimator ofFloat(Object target, String propertyName, float... values) {
ObjectAnimator anim = new ObjectAnimator();
anim.setTarget(target);
anim.setPropertyName(propertyName);
anim.setFloatValues(values);
cancelOnDestroyActivity(anim);
return anim;
}
public static ObjectAnimator ofPropertyValuesHolder(Object target,
PropertyValuesHolder... values) {
ObjectAnimator anim = new ObjectAnimator();
anim.setTarget(target);
anim.setValues(values);
cancelOnDestroyActivity(anim);
return anim;
}
}