117 lines
4.1 KiB
Java
117 lines
4.1 KiB
Java
/*
|
|
* Copyright (C) 2016 The CyanogenMod Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.cyanogenmod.platform.internal;
|
|
|
|
import android.content.Context;
|
|
import android.graphics.Bitmap;
|
|
import android.os.Binder;
|
|
import android.os.FileUtils;
|
|
import android.os.IBinder;
|
|
import android.os.RemoteException;
|
|
import android.util.Log;
|
|
import com.android.server.SystemService;
|
|
import cyanogenmod.app.CMContextConstants;
|
|
|
|
import org.cyanogenmod.internal.themes.IIconCacheManager;
|
|
import org.cyanogenmod.internal.util.ThemeUtils;
|
|
|
|
import java.io.File;
|
|
import java.io.FileOutputStream;
|
|
import java.util.Arrays;
|
|
import java.util.Comparator;
|
|
|
|
/** @hide */
|
|
public class IconCacheManagerService extends SystemService {
|
|
private static final String TAG = IconCacheManagerService.class.getSimpleName();
|
|
|
|
private static final long MAX_ICON_CACHE_SIZE = 33554432L; // 32MB
|
|
private static final long PURGED_ICON_CACHE_SIZE = 25165824L; // 24 MB
|
|
|
|
private long mIconCacheSize = 0L;
|
|
private Context mContext;
|
|
|
|
public IconCacheManagerService(Context context) {
|
|
super(context);
|
|
mContext = context;
|
|
}
|
|
|
|
@Override
|
|
public void onStart() {
|
|
Log.d(TAG, "registerIconCache cmiconcache: " + this);
|
|
if (mContext.getPackageManager().hasSystemFeature(CMContextConstants.Features.THEMES)) {
|
|
publishBinderService(CMContextConstants.CM_ICON_CACHE_SERVICE, mService);
|
|
} else {
|
|
Log.wtf(TAG, "IconCache service started by system server but feature xml not" +
|
|
" declared. Not publishing binder service!");
|
|
}
|
|
}
|
|
|
|
private void purgeIconCache() {
|
|
Log.d(TAG, "Purging icon cahe of size " + mIconCacheSize);
|
|
File cacheDir = new File(ThemeUtils.SYSTEM_THEME_ICON_CACHE_DIR);
|
|
File[] files = cacheDir.listFiles();
|
|
Arrays.sort(files, mOldestFilesFirstComparator);
|
|
for (File f : files) {
|
|
if (!f.isDirectory()) {
|
|
final long size = f.length();
|
|
if(f.delete()) mIconCacheSize -= size;
|
|
}
|
|
if (mIconCacheSize <= PURGED_ICON_CACHE_SIZE) break;
|
|
}
|
|
}
|
|
|
|
private Comparator<File> mOldestFilesFirstComparator = new Comparator<File>() {
|
|
@Override
|
|
public int compare(File lhs, File rhs) {
|
|
return (int) (lhs.lastModified() - rhs.lastModified());
|
|
}
|
|
};
|
|
|
|
private IBinder mService = new IIconCacheManager.Stub() {
|
|
@Override
|
|
public boolean cacheComposedIcon(Bitmap icon, String fileName) throws RemoteException {
|
|
final long token = Binder.clearCallingIdentity();
|
|
boolean success;
|
|
FileOutputStream os;
|
|
final File cacheDir = new File(ThemeUtils.SYSTEM_THEME_ICON_CACHE_DIR);
|
|
if (cacheDir.listFiles().length == 0) {
|
|
mIconCacheSize = 0;
|
|
}
|
|
try {
|
|
File outFile = new File(cacheDir, fileName);
|
|
os = new FileOutputStream(outFile);
|
|
icon.compress(Bitmap.CompressFormat.PNG, 90, os);
|
|
os.close();
|
|
FileUtils.setPermissions(outFile,
|
|
FileUtils.S_IRWXU | FileUtils.S_IRWXG | FileUtils.S_IROTH,
|
|
-1, -1);
|
|
mIconCacheSize += outFile.length();
|
|
if (mIconCacheSize > MAX_ICON_CACHE_SIZE) {
|
|
purgeIconCache();
|
|
}
|
|
success = true;
|
|
} catch (Exception e) {
|
|
success = false;
|
|
Log.w(TAG, "Unable to cache icon " + fileName, e);
|
|
}
|
|
Binder.restoreCallingIdentity(token);
|
|
return success;
|
|
}
|
|
|
|
};
|
|
}
|