Home | History | Annotate | Download | only in statusbar 
      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.systemui.statusbar;
     18 
     19 import android.content.Context;
     20 import android.graphics.drawable.AnimationDrawable;
     21 import android.graphics.drawable.Drawable;
     22 import android.util.AttributeSet;
     23 import android.view.View;
     24 import android.widget.ImageView;
     25 import android.widget.RemoteViews.RemoteView;
     26 
     27 @RemoteView
     28 public class AnimatedImageView extends ImageView {
     29     AnimationDrawable mAnim;
     30     boolean mAttached;
     31 
     32     public AnimatedImageView(Context context) {
     33         super(context);
     34     }
     35 
     36     public AnimatedImageView(Context context, AttributeSet attrs) {
     37         super(context, attrs);
     38     }
     39 
     40     private void updateAnim() {
     41         Drawable drawable = getDrawable();
     42         if (mAttached && mAnim != null) {
     43             mAnim.stop();
     44         }
     45         if (drawable instanceof AnimationDrawable) {
     46             mAnim = (AnimationDrawable)drawable;
     47             if (isShown()) {
     48                 mAnim.start();
     49             }
     50         } else {
     51             mAnim = null;
     52         }
     53     }
     54 
     55     @Override
     56     public void setImageDrawable(Drawable drawable) {
     57         super.setImageDrawable(drawable);
     58         updateAnim();
     59     }
     60 
     61     @Override
     62     @android.view.RemotableViewMethod
     63     public void setImageResource(int resid) {
     64         super.setImageResource(resid);
     65         updateAnim();
     66     }
     67 
     68     @Override
     69     public void onAttachedToWindow() {
     70         super.onAttachedToWindow();
     71         mAttached = true;
     72         updateAnim();
     73     }
     74 
     75     @Override
     76     public void onDetachedFromWindow() {
     77         super.onDetachedFromWindow();
     78         if (mAnim != null) {
     79             mAnim.stop();
     80         }
     81         mAttached = false;
     82     }
     83 
     84     @Override
     85     protected void onVisibilityChanged(View changedView, int vis) {
     86         super.onVisibilityChanged(changedView, vis);
     87         if (mAnim != null) {
     88             if (isShown()) {
     89                 mAnim.start();
     90             } else {
     91                 mAnim.stop();
     92             }
     93         }
     94     }
     95 }
     96 
     97