| /* |
| * Copyright (C) 2008 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.systemui.statusbar; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.AnimationDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.RemoteViews.RemoteView; |
| |
| import com.android.systemui.R; |
| |
| @RemoteView |
| public class AnimatedImageView extends ImageView { |
| private final boolean mHasOverlappingRendering; |
| AnimationDrawable mAnim; |
| boolean mAttached; |
| private boolean mAllowAnimation = true; |
| |
| // Tracks the last image that was set, so that we don't refresh the image if it is exactly |
| // the same as the previous one. If this is a resid, we track that. If it's a drawable, we |
| // track the hashcode of the drawable. |
| int mDrawableId; |
| |
| public AnimatedImageView(Context context) { |
| this(context, null); |
| } |
| |
| public AnimatedImageView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| TypedArray a = context.getTheme().obtainStyledAttributes(attrs, |
| R.styleable.AnimatedImageView, 0, 0); |
| |
| try { |
| // Default to true, which is what View.java defaults toA |
| mHasOverlappingRendering = a.getBoolean( |
| R.styleable.AnimatedImageView_hasOverlappingRendering, true); |
| } finally { |
| a.recycle(); |
| } |
| } |
| |
| public void setAllowAnimation(boolean allowAnimation) { |
| if (mAllowAnimation != allowAnimation) { |
| mAllowAnimation = allowAnimation; |
| updateAnim(); |
| if (!mAllowAnimation && mAnim != null) { |
| // Reset drawable such that we show the first frame whenever we're not animating. |
| mAnim.setVisible(getVisibility() == VISIBLE, true /* restart */); |
| } |
| } |
| } |
| |
| private void updateAnim() { |
| Drawable drawable = getDrawable(); |
| if (mAttached && mAnim != null) { |
| mAnim.stop(); |
| } |
| if (drawable instanceof AnimationDrawable) { |
| mAnim = (AnimationDrawable) drawable; |
| if (isShown() && mAllowAnimation) { |
| mAnim.start(); |
| } |
| } else { |
| mAnim = null; |
| } |
| } |
| |
| @Override |
| public void setImageDrawable(Drawable drawable) { |
| if (drawable != null) { |
| if (mDrawableId == drawable.hashCode()) return; |
| |
| mDrawableId = drawable.hashCode(); |
| } else { |
| mDrawableId = 0; |
| } |
| super.setImageDrawable(drawable); |
| updateAnim(); |
| } |
| |
| @Override |
| @android.view.RemotableViewMethod |
| public void setImageResource(int resid) { |
| if (mDrawableId == resid) return; |
| |
| mDrawableId = resid; |
| super.setImageResource(resid); |
| updateAnim(); |
| } |
| |
| @Override |
| public void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| mAttached = true; |
| updateAnim(); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| if (mAnim != null) { |
| mAnim.stop(); |
| } |
| mAttached = false; |
| } |
| |
| @Override |
| protected void onVisibilityChanged(View changedView, int vis) { |
| super.onVisibilityChanged(changedView, vis); |
| if (mAnim != null) { |
| if (isShown() && mAllowAnimation) { |
| mAnim.start(); |
| } else { |
| mAnim.stop(); |
| } |
| } |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return mHasOverlappingRendering; |
| } |
| } |
| |