Tony Mantler | d1e3272 | 2015-11-17 15:14:00 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.settingslib.widget; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.graphics.drawable.AnimatedRotateDrawable; |
| 21 | import android.graphics.drawable.Drawable; |
| 22 | import android.util.AttributeSet; |
| 23 | import android.view.View; |
| 24 | import android.widget.ImageView; |
| 25 | |
| 26 | public class AnimatedImageView extends ImageView { |
| 27 | private AnimatedRotateDrawable mDrawable; |
| 28 | private boolean mAnimating; |
| 29 | |
| 30 | public AnimatedImageView(Context context) { |
| 31 | super(context); |
| 32 | } |
| 33 | |
| 34 | public AnimatedImageView(Context context, AttributeSet attrs) { |
| 35 | super(context, attrs); |
| 36 | } |
| 37 | |
| 38 | private void updateDrawable() { |
| 39 | if (isShown() && mDrawable != null) { |
| 40 | mDrawable.stop(); |
| 41 | } |
| 42 | final Drawable drawable = getDrawable(); |
| 43 | if (drawable instanceof AnimatedRotateDrawable) { |
| 44 | mDrawable = (AnimatedRotateDrawable) drawable; |
| 45 | // TODO: define in drawable xml once we have public attrs. |
| 46 | mDrawable.setFramesCount(56); |
| 47 | mDrawable.setFramesDuration(32); |
| 48 | if (isShown() && mAnimating) { |
| 49 | mDrawable.start(); |
| 50 | } |
| 51 | } else { |
| 52 | mDrawable = null; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | private void updateAnimating() { |
| 57 | if (mDrawable != null) { |
| 58 | if (isShown() && mAnimating) { |
| 59 | mDrawable.start(); |
| 60 | } else { |
| 61 | mDrawable.stop(); |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void setImageDrawable(Drawable drawable) { |
| 68 | super.setImageDrawable(drawable); |
| 69 | updateDrawable(); |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public void setImageResource(int resid) { |
| 74 | super.setImageResource(resid); |
| 75 | updateDrawable(); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public void onAttachedToWindow() { |
| 80 | super.onAttachedToWindow(); |
| 81 | updateAnimating(); |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public void onDetachedFromWindow() { |
| 86 | super.onDetachedFromWindow(); |
| 87 | updateAnimating(); |
| 88 | } |
| 89 | |
| 90 | public void setAnimating(boolean animating) { |
| 91 | mAnimating = animating; |
| 92 | updateAnimating(); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | protected void onVisibilityChanged(View changedView, int vis) { |
| 97 | super.onVisibilityChanged(changedView, vis); |
| 98 | updateAnimating(); |
| 99 | } |
| 100 | } |