diff options
Diffstat (limited to 'src/com/android/gallery3d/app/GalleryAppImpl.java')
-rw-r--r-- | src/com/android/gallery3d/app/GalleryAppImpl.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/app/GalleryAppImpl.java b/src/com/android/gallery3d/app/GalleryAppImpl.java new file mode 100644 index 000000000..2abdaa0c1 --- /dev/null +++ b/src/com/android/gallery3d/app/GalleryAppImpl.java @@ -0,0 +1,127 @@ +/* + * 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.Context; +import android.os.AsyncTask; + +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.picasasource.PicasaSource; +import com.android.gallery3d.util.GalleryUtils; +import com.android.gallery3d.util.LightCycleHelper; +import com.android.gallery3d.util.ThreadPool; +import com.android.gallery3d.util.UsageStatistics; +import com.android.photos.data.MediaCache; + +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); + UsageStatistics.initialize(this); + MediaCache.initialize(this); + + mStitchingProgressManager = LightCycleHelper.createStitchingManagerInstance(this); + if (mStitchingProgressManager != null) { + mStitchingProgressManager.addChangeListener(getDataManager()); + } + } + + @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) { + } + } +} |