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.util.Slog;
24import android.view.View;
25import android.widget.ImageView;
26import android.widget.RemoteViews.RemoteView;
27
28@RemoteView
29public class AnimatedImageView extends ImageView {
30    AnimationDrawable mAnim;
31    boolean mAttached;
32
33    public AnimatedImageView(Context context) {
34        super(context);
35    }
36
37    public AnimatedImageView(Context context, AttributeSet attrs) {
38        super(context, attrs);
39    }
40
41    private void updateAnim() {
42        Drawable drawable = getDrawable();
43        if (mAttached && mAnim != null) {
44            mAnim.stop();
45        }
46        if (drawable instanceof AnimationDrawable) {
47            mAnim = (AnimationDrawable)drawable;
48            if (isShown()) {
49                mAnim.start();
50            }
51        } else {
52            mAnim = null;
53        }
54    }
55
56    @Override
57    public void setImageDrawable(Drawable drawable) {
58        super.setImageDrawable(drawable);
59        updateAnim();
60    }
61
62    @Override
63    @android.view.RemotableViewMethod
64    public void setImageResource(int resid) {
65        super.setImageResource(resid);
66        updateAnim();
67    }
68
69    @Override
70    public void onAttachedToWindow() {
71        super.onAttachedToWindow();
72        mAttached = true;
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