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/**
* Android ownCloud News
*
* @author David Luhmer
* @copyright 2013 David Luhmer david-dev@live.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
package de.luhmer.owncloudnewsreader.helper;
import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Build;
import android.util.SparseArray;
import android.widget.ImageView;
import java.io.File;
import java.lang.ref.WeakReference;
import de.luhmer.owncloudnewsreader.R;
import de.luhmer.owncloudnewsreader.async_tasks.GetImageAsyncTask;
import de.luhmer.owncloudnewsreader.database.DatabaseConnection;
public class FavIconHandler {
private static final String TAG = "FavIconHandler";
public static Drawable GetFavIconFromCache(String URL_TO_PAGE, Context context, String feedID)
{
try
{
File favIconFile = ImageHandler.getFullPathOfCacheFile(URL_TO_PAGE, ImageHandler.getPathFavIcons(context));
if(favIconFile.isFile() && favIconFile.length() > 0)
{
if(feedID != null) {
DatabaseConnection dbConn = new DatabaseConnection(context);
try {
if(dbConn.getAvgColourOfFeedByDbId(feedID) == null) {
Bitmap bitmap = BitmapFactory.decodeFile(favIconFile.getAbsolutePath());
String avg = ColourCalculator.ColourHexFromBitmap(bitmap);
dbConn.setAvgColourOfFeedByDbId(feedID, avg);
}
} finally {
dbConn.closeDatabase();
}
}
return Drawable.createFromPath(favIconFile.getPath());
}
}
catch(Exception ex)
{
//Log.d(TAG, ex.getMessage());
//ex.printStackTrace();
}
return null;
}
public static int getResourceIdForRightDefaultFeedIcon(Context context)
{
if(ThemeChooser.isDarkTheme(context))
return R.drawable.default_feed_icon_light;
else
return R.drawable.default_feed_icon_dark;
}
static SparseArray<FavIconCache> imageViewReferences = new SparseArray<FavIconCache>();
String feedID;
static SparseArray<FavIconCache> favIconToFeedId = new SparseArray<FavIconCache>();
public static void PreCacheFavIcon(String WEB_URL_TO_FILE, Context context, String feedID) {
FavIconCache favIconCache = new FavIconCache();
favIconCache.context = context;
favIconCache.WEB_URL_TO_FILE = WEB_URL_TO_FILE;
int key = Integer.parseInt(feedID);
favIconToFeedId.put(key, favIconCache);
GetImageAsyncTask giAsync = new GetImageAsyncTask(WEB_URL_TO_FILE, favIconDownloadFinished, key, ImageHandler.getPathFavIcons(context), context, null);
giAsync.scaleImage = true;
giAsync.dstHeight = 2*32;
giAsync.dstWidth = 2*32;
giAsync.feedID = feedID;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
// Execute in parallel
giAsync.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, ((Void)null));
else
giAsync.execute((Void)null);
}
static ImageDownloadFinished favIconDownloadFinished = new ImageDownloadFinished() {
@Override
public void DownloadFinished(int AsynkTaskId, String fileCachePath, BitmapDrawableLruCache lruCache) {
FavIconCache favIconCache = favIconToFeedId.get(AsynkTaskId);
FavIconHandler.GetFavIconFromCache(favIconCache.WEB_URL_TO_FILE, favIconCache.context, String.valueOf(AsynkTaskId));
imageViewReferences.remove(AsynkTaskId);
}
};
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public void GetImageAsync(ImageView imageView, String WEB_URL_TO_FILE, Context context, String feedID, BitmapDrawableLruCache lruCache)
{
this.feedID = feedID;
boolean setImageAlready = false;
if(lruCache != null) {
if(lruCache.get(feedID) != null) {
if (imageView != null) {
imageView.setImageDrawable(lruCache.get(feedID));
setImageAlready = true;
}
}
}
if(!setImageAlready) {
WeakReference<ImageView> imageViewReference = new WeakReference<ImageView>(imageView);
FavIconCache favIconCache = new FavIconCache();
favIconCache.context = context;
favIconCache.WEB_URL_TO_FILE = WEB_URL_TO_FILE;
favIconCache.imageViewReference = imageViewReference;
int key = 0;
if(imageViewReferences.size() > 0)
key = imageViewReferences.keyAt(imageViewReferences.size() -1) + 1;
imageViewReferences.append(key, favIconCache);
imageView.setImageDrawable(null);
GetImageAsyncTask giAsync = new GetImageAsyncTask(WEB_URL_TO_FILE, imgDownloadFinished, key, ImageHandler.getPathFavIcons(context), context/*, imageView*/, lruCache);
giAsync.scaleImage = true;
giAsync.dstHeight = 2*32;
giAsync.dstWidth = 2*32;
giAsync.feedID = feedID;
//giAsync.execute((Void)null);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
// Execute in parallel
giAsync.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, ((Void)null));
else
giAsync.execute((Void)null);
}
}
ImageDownloadFinished imgDownloadFinished = new ImageDownloadFinished() {
@Override
public void DownloadFinished(int AsynkTaskId, String fileCachePath, BitmapDrawableLruCache lruCache) {
//WeakReference<ImageView> imageViewRef = imageViewReferences.get(AsynkTaskId);
FavIconCache favIconCache = imageViewReferences.get(AsynkTaskId);
WeakReference<ImageView> imageViewRef = favIconCache.imageViewReference;
if(imageViewRef != null)
{
ImageView imageView = imageViewRef.get();
if (imageView != null) {
BitmapDrawable bd = (BitmapDrawable) FavIconHandler.GetFavIconFromCache(favIconCache.WEB_URL_TO_FILE, favIconCache.context, feedID);
if(lruCache != null && feedID != null && bd != null)
lruCache.put(feedID, bd);
imageView.setImageDrawable(bd);
}
}
imageViewReferences.remove(AsynkTaskId);
}
};
static class FavIconCache
{
public WeakReference<ImageView> imageViewReference;
public String WEB_URL_TO_FILE;
public Context context;
}
}
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