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/*
* Copyright (C) 2008 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.systemui.statusbar;
import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.RemoteViews.RemoteView;
@RemoteView
public class AnimatedImageView extends AlphaOptimizedImageView {
AnimationDrawable mAnim;
boolean mAttached;
// Tracks the last image that was set, so that we don't refresh the image if it is exactly
// the same as the previous one. If this is a resid, we track that. If it's a drawable, we
// track the hashcode of the drawable.
int mDrawableId;
public AnimatedImageView(Context context) {
super(context);
}
public AnimatedImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
private void updateAnim() {
Drawable drawable = getDrawable();
if (mAttached && mAnim != null) {
mAnim.stop();
}
if (drawable instanceof AnimationDrawable) {
mAnim = (AnimationDrawable) drawable;
if (isShown()) {
mAnim.start();
}
} else {
mAnim = null;
}
}
@Override
public void setImageDrawable(Drawable drawable) {
if (drawable != null) {
if (mDrawableId == drawable.hashCode()) return;
mDrawableId = drawable.hashCode();
} else {
mDrawableId = 0;
}
super.setImageDrawable(drawable);
updateAnim();
}
@Override
@android.view.RemotableViewMethod
public void setImageResource(int resid) {
if (mDrawableId == resid) return;
mDrawableId = resid;
super.setImageResource(resid);
updateAnim();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mAttached = true;
updateAnim();
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mAnim != null) {
mAnim.stop();
}
mAttached = false;
}
@Override
protected void onVisibilityChanged(View changedView, int vis) {
super.onVisibilityChanged(changedView, vis);
if (mAnim != null) {
if (isShown()) {
mAnim.start();
} else {
mAnim.stop();
}
}
}
}
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