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
17package com.android.systemui.statusbar;
18
19import android.content.Context;
20import android.graphics.drawable.AnimationDrawable;
21import android.graphics.drawable.Drawable;
22import android.util.AttributeSet;
23import android.view.View;
24import android.widget.ImageView;
25import android.widget.RemoteViews.RemoteView;
26
27@RemoteView
28public 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 = mAttached ? getDrawable() : null;
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