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/*
* Copyright (C) 2011 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.settings.widget;
import android.content.Context;
import android.graphics.drawable.AnimatedRotateDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
public class AnimatedImageView extends ImageView {
private AnimatedRotateDrawable mDrawable;
private boolean mAnimating;
public AnimatedImageView(Context context) {
super(context);
}
public AnimatedImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
private void updateDrawable() {
if (isShown() && mDrawable != null) {
mDrawable.stop();
}
final Drawable drawable = getDrawable();
if (drawable instanceof AnimatedRotateDrawable) {
mDrawable = (AnimatedRotateDrawable) drawable;
// TODO: define in drawable xml once we have public attrs.
mDrawable.setFramesCount(56);
mDrawable.setFramesDuration(32);
if (isShown() && mAnimating) {
mDrawable.start();
}
} else {
mDrawable = null;
}
}
private void updateAnimating() {
if (mDrawable != null) {
if (isShown() && mAnimating) {
mDrawable.start();
} else {
mDrawable.stop();
}
}
}
@Override
public void setImageDrawable(Drawable drawable) {
super.setImageDrawable(drawable);
updateDrawable();
}
@Override
public void setImageResource(int resid) {
super.setImageResource(resid);
updateDrawable();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
updateAnimating();
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
updateAnimating();
}
public void setAnimating(boolean animating) {
mAnimating = animating;
updateAnimating();
}
@Override
protected void onVisibilityChanged(View changedView, int vis) {
super.onVisibilityChanged(changedView, vis);
updateAnimating();
}
}
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