Inline hippo's glcomponents
* Replace android support with androidx as well
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/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.glgallery;
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import android.util.LruCache;
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import androidx.annotation.IntDef;
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import androidx.annotation.UiThread;
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import com.hippo.glview.glrenderer.GLCanvas;
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import com.hippo.glview.image.ImageWrapper;
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import com.hippo.glview.view.GLRoot;
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import com.hippo.image.Image;
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import com.hippo.yorozuya.ConcurrentPool;
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import com.hippo.yorozuya.MathUtils;
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import com.hippo.yorozuya.OSUtils;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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public abstract class GalleryProvider {
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public static final int STATE_WAIT = -1;
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public static final int STATE_ERROR = -2;
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private final ConcurrentPool<NotifyTask> mNotifyTaskPool = new ConcurrentPool<>(5);
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private volatile Listener mListener;
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private volatile GLRoot mGLRoot;
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private final ImageCache mImageCache = new ImageCache();
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private boolean mStarted = false;
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@UiThread
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public void start() {
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OSUtils.checkMainLoop();
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if (mStarted) {
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throw new IllegalStateException("Can't start it twice");
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}
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mStarted = true;
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}
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@UiThread
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public void stop() {
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OSUtils.checkMainLoop();
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mImageCache.evictAll();
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}
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public void setGLRoot(GLRoot glRoot) {
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mGLRoot = glRoot;
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}
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/**
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* @return {@link #STATE_WAIT} for wait,
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* {@link #STATE_ERROR} for error, {@link #getError()} to get error message,
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* 0 for empty
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*/
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public abstract int size();
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public final void request(int index) {
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ImageWrapper imageWrapper = mImageCache.get(index);
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if (imageWrapper != null) {
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notifyPageSucceed(index, imageWrapper);
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} else {
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onRequest(index);
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}
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}
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public final void forceRequest(int index) {
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onForceRequest(index);
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}
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public void removeCache(int index) {
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mImageCache.remove(index);
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}
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protected abstract void onRequest(int index);
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protected abstract void onForceRequest(int index);
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public final void cancelRequest(int index) {
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onCancelRequest(index);
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}
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protected abstract void onCancelRequest(int index);
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public abstract String getError();
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public void setListener(Listener listener) {
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mListener = listener;
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}
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public void notifyDataChanged() {
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notify(NotifyTask.TYPE_DATA_CHANGED, -1, 0.0f, null, null);
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}
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public void notifyDataChanged(int index) {
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notify(NotifyTask.TYPE_DATA_CHANGED, index, 0.0f, null, null);
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}
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public void notifyPageWait(int index) {
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notify(NotifyTask.TYPE_WAIT, index, 0.0f, null, null);
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}
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public void notifyPagePercent(int index, float percent) {
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notify(NotifyTask.TYPE_PERCENT, index, percent, null, null);
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}
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public void notifyPageSucceed(int index, Image image) {
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ImageWrapper imageWrapper = new ImageWrapper(image);
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mImageCache.add(index, imageWrapper);
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notifyPageSucceed(index, imageWrapper);
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}
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public void notifyPageSucceed(int index, ImageWrapper image) {
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notify(NotifyTask.TYPE_SUCCEED, index, 0.0f, image, null);
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}
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public void notifyPageFailed(int index, String error) {
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notify(NotifyTask.TYPE_FAILED, index, 0.0f, null, error);
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}
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private void notify(@NotifyTask.Type int type, int index, float percent, ImageWrapper image, String error) {
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Listener listener = mListener;
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if (listener == null) {
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return;
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}
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GLRoot glRoot = mGLRoot;
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if (glRoot == null) {
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return;
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}
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NotifyTask task = mNotifyTaskPool.pop();
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if (task == null) {
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task = new NotifyTask(listener, mNotifyTaskPool);
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}
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task.setData(type, index, percent, image, error);
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glRoot.addOnGLIdleListener(task);
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}
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private static class NotifyTask implements GLRoot.OnGLIdleListener {
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@IntDef({TYPE_DATA_CHANGED, NotifyTask.TYPE_WAIT, TYPE_PERCENT, TYPE_SUCCEED, TYPE_FAILED})
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@Retention(RetentionPolicy.SOURCE)
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public @interface Type {}
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public static final int TYPE_DATA_CHANGED = 0;
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public static final int TYPE_WAIT = 1;
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public static final int TYPE_PERCENT = 2;
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public static final int TYPE_SUCCEED = 3;
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public static final int TYPE_FAILED = 4;
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private final Listener mListener;
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private final ConcurrentPool<NotifyTask> mPool;
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@Type
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private int mType;
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private int mIndex;
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private float mPercent;
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private ImageWrapper mImage;
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private String mError;
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public NotifyTask(Listener listener, ConcurrentPool<NotifyTask> pool) {
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mListener = listener;
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mPool = pool;
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}
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public void setData(@Type int type, int index, float percent, ImageWrapper image, String error) {
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mType = type;
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mIndex = index;
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mPercent = percent;
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mImage = image;
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mError = error;
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}
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@Override
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public boolean onGLIdle(GLCanvas canvas, boolean renderRequested) {
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switch (mType) {
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case TYPE_DATA_CHANGED:
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if (mIndex < 0) {
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mListener.onDataChanged();
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} else {
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mListener.onDataChanged(mIndex);
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}
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break;
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case TYPE_WAIT:
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mListener.onPageWait(mIndex);
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break;
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case TYPE_PERCENT:
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mListener.onPagePercent(mIndex, mPercent);
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break;
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case TYPE_SUCCEED:
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mListener.onPageSucceed(mIndex, mImage);
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break;
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case TYPE_FAILED:
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mListener.onPageFailed(mIndex, mError);
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break;
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}
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// Clean data
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mImage = null;
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mError = null;
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// Push back
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mPool.push(this);
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return false;
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}
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}
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private static class ImageCache extends LruCache<Integer, ImageWrapper> {
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private static final long MAX_CACHE_SIZE = 128 * 1024 * 1024;
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private static final long MIN_CACHE_SIZE = 32 * 1024 * 1024;
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public ImageCache() {
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super((int) MathUtils.clamp(OSUtils.getTotalMemory() / 16, MIN_CACHE_SIZE, MAX_CACHE_SIZE));
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}
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public void add(Integer key, ImageWrapper value) {
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if (value.getFormat() != Image.FORMAT_GIF && value.obtain()) {
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put(key, value);
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}
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}
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@Override
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protected int sizeOf(Integer key, ImageWrapper value) {
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int size = value.getWidth() * value.getHeight() * 4;
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if (value.getFormat() == Image.FORMAT_GIF) {
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size *= 5;
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}
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return size;
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}
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@Override
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protected void entryRemoved(boolean evicted, Integer key, ImageWrapper oldValue, ImageWrapper newValue) {
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if (oldValue != null) {
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oldValue.release();
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}
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}
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}
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public interface Listener {
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void onDataChanged();
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void onPageWait(int index);
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void onPagePercent(int index, float percent);
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void onPageSucceed(int index, ImageWrapper image);
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void onPageFailed(int index, String error);
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void onDataChanged(int index);
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}
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}
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