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) {
+        }
+    }
+}