/**
* Created on Dec 2, 2008
*
* Copyright 2008 Vuze, Inc. All rights reserved.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License only.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.aelitis.azureus.ui.swt.utils;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.ui.swt.Utils;
import com.aelitis.azureus.core.cnetwork.ContentNetwork;
import com.aelitis.azureus.core.cnetwork.ContentNetworkManagerFactory;
import com.aelitis.azureus.ui.swt.imageloader.ImageLoader;
import com.aelitis.azureus.ui.utils.ImageBytesDownloader;
import com.aelitis.azureus.ui.utils.ImageBytesDownloader.ImageDownloaderListener;
import com.aelitis.azureus.util.ContentNetworkUtils;
/**
* @author TuxPaper
* @created Dec 2, 2008
*
*/
public class ContentNetworkUI
{
// If we ever clear mapImages, don't forget to ImageLoderFactory.releaseImage if needed
public static Map<Long, Image> mapImages = new HashMap<Long, Image>();
/**
* @param cn
* @param cnImageLoadedListener
*
* @since 4.0.0.5
*/
public static Image loadImage(final long contentNetworkID,
final ContentNetworkImageLoadedListener cnImageLoadedListener) {
Image image = mapImages.get(new Long(contentNetworkID));
if (image != null && cnImageLoadedListener != null) {
cnImageLoadedListener.contentNetworkImageLoaded(contentNetworkID, image, true);
return image;
}
ContentNetwork cn = ContentNetworkManagerFactory.getSingleton().getContentNetwork(
contentNetworkID);
if (cn == null) {
return image;
}
String imgURL = ContentNetworkUtils.getUrl(cn, ContentNetwork.SERVICE_GET_ICON);
if (imgURL != null) {
final File cache = new File(SystemProperties.getUserPath(), "cache"
+ File.separator + imgURL.hashCode() + ".ico");
boolean loadImage = true;
if (cache.exists()) {
try {
FileInputStream fis = new FileInputStream(cache);
try {
byte[] imageBytes = FileUtil.readInputStreamAsByteArray(fis);
InputStream is = new ByteArrayInputStream(imageBytes);
image = new Image(Display.getCurrent(), is);
try {
is.close();
} catch (IOException e) {
}
mapImages.put(new Long(contentNetworkID), image);
if (cnImageLoadedListener != null) {
cnImageLoadedListener.contentNetworkImageLoaded(contentNetworkID,
image, true);
}
} finally {
fis.close();
}
loadImage = false;
} catch (Throwable e) {
Debug.printStackTrace(e);
}
}
if (loadImage) {
ImageBytesDownloader.loadImage(imgURL,
new ImageBytesDownloader.ImageDownloaderListener() {
public void imageDownloaded(final byte[] imageBytes) {
Utils.execSWTThread(new AERunnable() {
public void runSupport() {
FileUtil.writeBytesAsFile(cache.getAbsolutePath(),
imageBytes);
InputStream is = new ByteArrayInputStream(imageBytes);
Image image = new Image(Display.getCurrent(), is);
try {
is.close();
} catch (IOException e) {
}
mapImages.put(new Long(contentNetworkID), image);
if (cnImageLoadedListener != null) {
cnImageLoadedListener.contentNetworkImageLoaded(
contentNetworkID, image, false);
}
}
});
}
});
}
} else if (contentNetworkID == ContentNetwork.CONTENT_NETWORK_VUZE
&& cnImageLoadedListener != null) {
image = ImageLoader.getInstance().getImage("image.sidebar.vuze");
mapImages.put(new Long(contentNetworkID), image);
cnImageLoadedListener.contentNetworkImageLoaded(contentNetworkID, image, true);
}
return image;
}
public static interface ContentNetworkImageLoadedListener
{
public void contentNetworkImageLoaded(Long contentNetworkID, Image image, boolean wasReturned);
}
}