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/*
* Copyright (C) 2010 The Android Open Source 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 com.android.gallery3d.app;
import android.app.Application;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import com.android.gallery3d.common.ApiHelper;
import com.android.gallery3d.data.DataManager;
import com.android.gallery3d.data.DownloadCache;
import com.android.gallery3d.data.ImageCacheService;
import com.android.gallery3d.gadget.WidgetUtils;
import com.android.gallery3d.photoeditor.PhotoEditor;
import com.android.gallery3d.picasasource.PicasaSource;
import com.android.gallery3d.util.GalleryUtils;
import com.android.gallery3d.util.LightCycleHelper;
import com.android.gallery3d.util.ThreadPool;
import java.io.File;
public class GalleryAppImpl extends Application implements GalleryApp {
private static final String DOWNLOAD_FOLDER = "download";
private static final long DOWNLOAD_CAPACITY = 64 * 1024 * 1024; // 64M
private ImageCacheService mImageCacheService;
private Object mLock = new Object();
private DataManager mDataManager;
private ThreadPool mThreadPool;
private DownloadCache mDownloadCache;
private StitchingProgressManager mStitchingProgressManager;
@Override
public void onCreate() {
super.onCreate();
com.android.camera.Util.initialize(this);
initializeAsyncTask();
GalleryUtils.initialize(this);
WidgetUtils.initialize(this);
PicasaSource.initialize(this);
int state = ApiHelper.ENABLE_PHOTO_EDITOR
? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
: PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
getPackageManager().setComponentEnabledSetting(
new ComponentName(this, PhotoEditor.class),
state, PackageManager.DONT_KILL_APP);
mStitchingProgressManager = LightCycleHelper.createStitchingManagerInstance(this);
}
@Override
public Context getAndroidContext() {
return this;
}
@Override
public synchronized DataManager getDataManager() {
if (mDataManager == null) {
mDataManager = new DataManager(this);
mDataManager.initializeSourceMap();
}
return mDataManager;
}
@Override
public StitchingProgressManager getStitchingProgressManager() {
return mStitchingProgressManager;
}
@Override
public ImageCacheService getImageCacheService() {
// This method may block on file I/O so a dedicated lock is needed here.
synchronized (mLock) {
if (mImageCacheService == null) {
mImageCacheService = new ImageCacheService(getAndroidContext());
}
return mImageCacheService;
}
}
@Override
public synchronized ThreadPool getThreadPool() {
if (mThreadPool == null) {
mThreadPool = new ThreadPool();
}
return mThreadPool;
}
@Override
public synchronized DownloadCache getDownloadCache() {
if (mDownloadCache == null) {
File cacheDir = new File(getExternalCacheDir(), DOWNLOAD_FOLDER);
if (!cacheDir.isDirectory()) cacheDir.mkdirs();
if (!cacheDir.isDirectory()) {
throw new RuntimeException(
"fail to create: " + cacheDir.getAbsolutePath());
}
mDownloadCache = new DownloadCache(this, cacheDir, DOWNLOAD_CAPACITY);
}
return mDownloadCache;
}
private void initializeAsyncTask() {
// AsyncTask class needs to be loaded in UI thread.
// So we load it here to comply the rule.
try {
Class.forName(AsyncTask.class.getName());
} catch (ClassNotFoundException e) {
}
}
}
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