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Utilizing LRUCache for in memory bitmap caching

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This commit is contained in:
anthony restaino 2017-05-14 20:37:33 -04:00
parent b4d9c9023d
commit d833cceb96
2 changed files with 30 additions and 3 deletions
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31
app/src/main/java/acr/browser/lightning/favicon/FaviconModel.java
View File

@ -4,7 +4,9 @@ import android.app.Application;
import android.graphics.Bitmap;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;
import android.util.LruCache;
import com.anthonycr.bonsai.Completable;
import com.anthonycr.bonsai.CompletableAction;
@ -20,6 +22,8 @@ import java.io.IOException;
import javax.inject.Inject;
import javax.inject.Singleton;
import acr.browser.lightning.utils.FileUtils;
import acr.browser.lightning.utils.Preconditions;
import acr.browser.lightning.utils.Utils;
/**
@ -33,6 +37,12 @@ public class FaviconModel {
@NonNull private final ImageFetcher mImageFetcher;
@NonNull private final Application mApplication;
@NonNull private final LruCache<String, Bitmap> mFaviconCache = new LruCache<String, Bitmap>((int) FileUtils.megabytesToBytes(1)) {
@Override
protected int sizeOf(String key, Bitmap value) {
return value.getByteCount();
}
};
@Inject
public FaviconModel(@NonNull Application application) {
@ -40,6 +50,22 @@ public class FaviconModel {
mApplication = application;
}
@Nullable
private Bitmap getFaviconFromMemCache(@NonNull String url) {
Preconditions.checkNonNull(url);
synchronized (mFaviconCache) {
return mFaviconCache.get(url);
}
}
private void addFaviconToMemCache(@NonNull String url, @NonNull Bitmap bitmap) {
Preconditions.checkNonNull(url);
Preconditions.checkNonNull(bitmap);
synchronized (mFaviconCache) {
mFaviconCache.put(url, bitmap);
}
}
@NonNull
private static File createFaviconCacheFile(@NonNull Application app, @NonNull Uri uri) {
FaviconUtils.assertUriSafe(uri);
@ -71,9 +97,9 @@ public class FaviconModel {
File faviconCacheFile = createFaviconCacheFile(mApplication, uri);
Bitmap favicon = null;
Bitmap favicon = getFaviconFromMemCache(url);
if (faviconCacheFile.exists()) {
if (faviconCacheFile.exists() && favicon != null) {
favicon = mImageFetcher.retrieveFaviconFromCache(faviconCacheFile);
}
@ -93,6 +119,7 @@ public class FaviconModel {
}
if (favicon != null) {
addFaviconToMemCache(url, favicon);
cacheFaviconForUrl(favicon, url).subscribe();
}

2
app/src/main/java/acr/browser/lightning/favicon/ImageFetcher.java
View File

@ -73,8 +73,8 @@ class ImageFetcher {
int size = Utils.dpToPx(24);
mLoaderOptions.inJustDecodeBounds = false;
mLoaderOptions.inSampleSize = Utils.calculateInSampleSize(mLoaderOptions, size, size);
mLoaderOptions.inJustDecodeBounds = false;
Response imageResponse = mHttpClient.newCall(imageRequest).execute();
iconStream = imageResponse.body().byteStream();