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Code Issues Packages Projects Releases Wiki Activity

Prevent images from being loaded multiple times

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(copied from AntennaPodSP)
This commit is contained in:
daniel oeh 2014-03-19 18:01:55 +01:00
parent dfa10a5989
commit b9ab10253a
1 changed files with 190 additions and 182 deletions
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40
src/de/danoeh/antennapod/asynctask/ImageLoader.java
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@ -1,14 +1,8 @@
package de.danoeh.antennapod.asynctask;
import java.io.InputStream;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import android.annotation.SuppressLint;
import android.app.ActivityManager;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Handler;
import android.support.v4.util.LruCache;
import android.util.Log;
@ -17,7 +11,14 @@ import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.PodcastApp;
import de.danoeh.antennapod.R;
/** Caches and loads FeedImage bitmaps in the background */
import java.io.InputStream;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* Caches and loads FeedImage bitmaps in the background
*/
public class ImageLoader {
private static final String TAG = "ImageLoader";
private static ImageLoader singleton;
@ -104,10 +105,12 @@ public class ImageLoader {
ImageView target, int length) {
final int defaultCoverResource = getDefaultCoverResource(target
.getContext());
if (source != null && source.getImageLoaderCacheKey() != null) {
target.setTag(R.id.imageloader_key, source.getImageLoaderCacheKey());
CachedBitmap cBitmap = getBitmapFromCoverCache(source.getImageLoaderCacheKey());
final String cacheKey;
if (source != null && (cacheKey = source.getImageLoaderCacheKey()) != null) {
final Object currentTag = target.getTag(R.id.imageloader_key);
if (currentTag == null || !cacheKey.equals(currentTag)) {
target.setTag(R.id.imageloader_key, cacheKey);
CachedBitmap cBitmap = getBitmapFromCoverCache(cacheKey);
if (cBitmap != null && cBitmap.getLength() >= length) {
target.setImageBitmap(cBitmap.getBitmap());
} else {
@ -116,6 +119,7 @@ public class ImageLoader {
handler, target, source, length, IMAGE_TYPE_COVER);
executor.submit(worker);
}
}
} else {
target.setImageResource(defaultCoverResource);
}
@ -142,10 +146,12 @@ public class ImageLoader {
ImageView target, int length) {
final int defaultCoverResource = getDefaultCoverResource(target
.getContext());
if (source != null && source.getImageLoaderCacheKey() != null) {
target.setTag(R.id.imageloader_key, source.getImageLoaderCacheKey());
CachedBitmap cBitmap = getBitmapFromThumbnailCache(source.getImageLoaderCacheKey());
final String cacheKey;
if (source != null && (cacheKey = source.getImageLoaderCacheKey()) != null) {
final Object currentTag = target.getTag(R.id.imageloader_key);
if (currentTag == null || !cacheKey.equals(currentTag)) {
target.setTag(R.id.imageloader_key, cacheKey);
CachedBitmap cBitmap = getBitmapFromThumbnailCache(cacheKey);
if (cBitmap != null && cBitmap.getLength() >= length) {
target.setImageBitmap(cBitmap.getBitmap());
} else {
@ -154,6 +160,7 @@ public class ImageLoader {
handler, target, source, length, IMAGE_TYPE_THUMBNAIL);
executor.submit(worker);
}
}
} else {
target.setImageResource(defaultCoverResource);
}
@ -216,8 +223,9 @@ public class ImageLoader {
* reset the existing one, depending on their implementation of
* openInputStream. If a new InputStream is returned, the one given as a
* parameter MUST be closed.
*
* @param input The input stream that was returned by openImageInputStream()
* */
*/
public InputStream reopenImageInputStream(InputStream input);
/**