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package net.miz_hi.smileessence.cache;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapFactory.Options;
import android.widget.ImageView;
import net.miz_hi.smileessence.Client;
import net.miz_hi.smileessence.R;
import net.miz_hi.smileessence.core.MyExecutor;
import net.miz_hi.smileessence.model.status.user.UserModel;
import net.miz_hi.smileessence.task.impl.GetIconTask;
import net.miz_hi.smileessence.util.CountUpInteger;
import net.miz_hi.smileessence.util.StringUtils;
import net.miz_hi.smileessence.util.UiHandler;
import java.io.File;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Future;
public class IconCache
{
private static ConcurrentHashMap<Long, Icon> iconCache = new ConcurrentHashMap<Long, Icon>();
private static ConcurrentHashMap<Long, Future<Bitmap>> futureMap = new ConcurrentHashMap<Long, Future<Bitmap>>();
private static File cacheDir = Client.getApplication().getExternalCacheDir();
private static Bitmap emptyIcon;
private static CountUpInteger counter = new CountUpInteger(5);
public static Icon getIcon(long id)
{
return iconCache.get(id);
}
public static void checkIconCache(final UserModel user)
{
final String fileName = genIconName(user);
final File latestIconFile = Client.getApplicationFile(fileName);
boolean needsCacheUpdate = true;
if (iconCache.containsKey(user.userId))
{
needsCacheUpdate = !iconCache.get(user.userId).fileName.equals(fileName);
}
else
{
needsCacheUpdate = !latestIconFile.exists();
}
if (!needsCacheUpdate)
{
if (!iconCache.containsKey(user.userId) && !futureMap.containsKey(user.userId))
{
Options opt = new Options();
opt.inPurgeable = true; // GC�\�ɂ���
Bitmap bm = BitmapFactory.decodeFile(latestIconFile.getPath(), opt);
Icon icon = new Icon(bm, fileName);
IconCache.putIconToMap(user.userId, icon);
}
}
else
{
futureMap.put(user.userId, MyExecutor.submit(new GetIconTask(user)));
}
}
public synchronized static void setIconBitmapToView(final UserModel user, final ImageView viewIcon)
{
if (futureMap.containsKey(user.userId))
{
viewIcon.setImageBitmap(getEmptyIcon());
viewIcon.setTag(user.userId);
final Future<Bitmap> f = futureMap.remove(user.userId);
MyExecutor.execute(new Runnable()
{
@Override
public void run()
{
try
{
final Bitmap bm = f.get();
new UiHandler()
{
@Override
public void run()
{
if ((Long) viewIcon.getTag() == user.userId)
{
viewIcon.setImageBitmap(bm);
viewIcon.invalidate();
}
}
}.post();
}
catch (Exception e)
{
e.printStackTrace();
}
}
});
}
else if (iconCache.containsKey(user.userId))
{
Icon icon = iconCache.get(user.userId);
viewIcon.setImageBitmap(icon.use());
}
else
{
viewIcon.setImageBitmap(getEmptyIcon());
MyExecutor.execute(new Runnable()
{
@Override
public void run()
{
checkIconCache(user);
}
});
}
}
public static String genIconName(UserModel user)
{
return String.format("%1$s_%2$s", user.userId, StringUtils.parseUrlToFileName(user.iconUrl));
}
public static void clearCache()
{
iconCache.clear();
}
public static void putIconToMap(long id, Icon icon)
{
if (iconCache.size() > 500 && counter.isOver())
{
LinkedList<Map.Entry> entries = new LinkedList<Map.Entry>(iconCache.entrySet());
Collections.sort(entries, new Comparator()
{
@Override
public int compare(Object o1, Object o2)
{
Map.Entry e1 = (Map.Entry) o1;
Map.Entry e2 = (Map.Entry) o2;
return ((Icon) e1.getValue()).compareTo((Icon) e2.getValue());
}
});
iconCache.remove(entries.poll().getKey());
// if(removed != null)
// {
// removed.bitmap.recycle();
// }
counter.reset();
}
iconCache.put(id, icon);
counter.countUp();
}
public static Bitmap getEmptyIcon()
{
Options opt = new Options();
opt.inPurgeable = true; // GC�\�ɂ���
return BitmapFactory.decodeResource(Client.getResource(), R.drawable.icon_reflesh, opt);
}
public static class Icon implements Comparable<Icon>
{
private Bitmap bitmap;
public String fileName;
public int count = 0;
public Icon(Bitmap bitmap, String fileName)
{
this.bitmap = bitmap;
this.fileName = fileName;
}
public Bitmap use()
{
count++;
return bitmap;
}
@Override
public int compareTo(Icon another)
{
return this.count > another.count ? -1 : (this.count == another.count ? 0 : 1);
}
}
}
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