package com.android.gallery3d.data;
+import android.content.Context;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import com.android.gallery3d.app.GalleryApp;
import com.android.gallery3d.app.StitchingChangeListener;
-import com.android.gallery3d.common.ApiHelper;
import com.android.gallery3d.common.Utils;
import com.android.gallery3d.data.MediaObject.PanoramaSupportCallback;
import com.android.gallery3d.data.MediaSet.ItemConsumer;
// to prevent concurrency issue.
public static final Object LOCK = new Object();
+ public static DataManager from(Context context) {
+ GalleryApp app = (GalleryApp) context.getApplicationContext();
+ return app.getDataManager();
+ }
+
private static final String TAG = "DataManager";
// This is the path for the media set seen by the user at top level.
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos;
+
+import android.app.Fragment;
+
+
+public class AlbumSetFragment extends Fragment {
+
+}
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos;
+
+import android.app.ActionBar;
+import android.app.ActionBar.Tab;
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.FragmentTransaction;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.android.camera.CameraActivity;
+import com.android.gallery3d.R;
+
+public class GalleryActivity extends Activity {
+
+ private final String FTAG_PHOTOSET = "PhotoSet";
+ private final String FTAG_ALBUMSET = "AlbumSet";
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ setupActionBar();
+ }
+
+ private void setupActionBar() {
+ ActionBar ab = getActionBar();
+ ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
+ ab.setDisplayShowHomeEnabled(false);
+ ab.setDisplayShowTitleEnabled(false);
+ Tab tab = ab.newTab();
+ tab.setText(R.string.tab_photos);
+ tab.setTabListener(new TabListener<PhotoSetFragment>(this,
+ FTAG_PHOTOSET, PhotoSetFragment.class));
+ ab.addTab(tab, true);
+ tab = ab.newTab();
+ tab.setText(R.string.tab_albums);
+ tab.setTabListener(new TabListener<AlbumSetFragment>(this,
+ FTAG_ALBUMSET, AlbumSetFragment.class));
+ ab.addTab(tab);
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ getMenuInflater().inflate(R.menu.gallery, menu);
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.menu_camera:
+ Intent intent = new Intent(this, CameraActivity.class);
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ startActivity(intent);
+ return true;
+ default:
+ return super.onOptionsItemSelected(item);
+ }
+ }
+
+ private static class TabListener<T extends Fragment> implements ActionBar.TabListener {
+ private Fragment mFragment;
+ private final Activity mActivity;
+ private final String mTag;
+ private final Class<T> mClass;
+
+ /** Constructor used each time a new tab is created.
+ * @param activity The host Activity, used to instantiate the fragment
+ * @param tag The identifier tag for the fragment
+ * @param clz The fragment's Class, used to instantiate the fragment
+ */
+ public TabListener(Activity activity, String tag, Class<T> clz) {
+ mActivity = activity;
+ mTag = tag;
+ mClass = clz;
+ }
+
+ /* The following are each of the ActionBar.TabListener callbacks */
+
+ @Override
+ public void onTabSelected(Tab tab, FragmentTransaction ft) {
+ // Check if the fragment is already initialized
+ if (mFragment == null) {
+ // If not, instantiate and add it to the activity
+ mFragment = Fragment.instantiate(mActivity, mClass.getName());
+ ft.add(android.R.id.content, mFragment, mTag);
+ } else {
+ // If it exists, simply attach it in order to show it
+ ft.attach(mFragment);
+ }
+ }
+
+ @Override
+ public void onTabUnselected(Tab tab, FragmentTransaction ft) {
+ if (mFragment != null) {
+ // Detach the fragment, because another one is being attached
+ ft.detach(mFragment);
+ }
+ }
+
+ @Override
+ public void onTabReselected(Tab tab, FragmentTransaction ft) {
+ // User selected the already selected tab. Usually do nothing.
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos;
+
+import android.app.Fragment;
+
+
+public class PhotoFragment extends Fragment {
+
+}
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos;
+
+import android.app.Fragment;
+import android.app.LoaderManager.LoaderCallbacks;
+import android.content.Loader;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.provider.MediaStore.Files.FileColumns;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.ListView;
+import android.widget.SimpleCursorAdapter;
+
+import com.android.gallery3d.R;
+import com.android.photos.data.PhotoSetLoader;
+
+
+public class PhotoSetFragment extends Fragment implements LoaderCallbacks<Cursor> {
+
+ private static final int LOADER_PHOTOSET = 1;
+
+ private ListView mPhotoSetView;
+ private View mEmptyView;
+ private CursorAdapter mAdapter;
+
+ @Override
+ public View onCreateView(LayoutInflater inflater, ViewGroup container,
+ Bundle savedInstanceState) {
+ View root = inflater.inflate(R.layout.photo_set, container, false);
+ mPhotoSetView = (ListView) root.findViewById(android.R.id.list);
+ mEmptyView = root.findViewById(android.R.id.empty);
+ mEmptyView.setVisibility(View.GONE);
+ mAdapter = new SimpleCursorAdapter(getActivity(),
+ android.R.layout.simple_list_item_1, null,
+ new String[] { FileColumns.DATA },
+ new int[] { android.R.id.text1 }, 0);
+ mPhotoSetView.setAdapter(mAdapter);
+ getLoaderManager().initLoader(LOADER_PHOTOSET, null, this);
+ updateEmptyStatus();
+ return root;
+ }
+
+ private void updateEmptyStatus() {
+ boolean empty = (mAdapter == null || mAdapter.getCount() == 0);
+ mPhotoSetView.setVisibility(empty ? View.GONE : View.VISIBLE);
+ mEmptyView.setVisibility(empty ? View.VISIBLE : View.GONE);
+ }
+
+ @Override
+ public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+ return new PhotoSetLoader(getActivity());
+ }
+
+ @Override
+ public void onLoadFinished(Loader<Cursor> loader,
+ Cursor data) {
+ mAdapter.swapCursor(data);
+ updateEmptyStatus();
+ }
+
+ @Override
+ public void onLoaderReset(Loader<Cursor> loader) {
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos.data;
+
+import android.content.AsyncTaskLoader;
+import android.content.Context;
+
+import com.android.gallery3d.data.ContentListener;
+import com.android.gallery3d.data.DataManager;
+import com.android.gallery3d.data.MediaSet;
+import com.android.gallery3d.data.MediaSet.SyncListener;
+import com.android.gallery3d.util.Future;
+
+/**
+ * Proof of concept, don't use
+ */
+public class MediaSetLoader extends AsyncTaskLoader<MediaSet> {
+
+ private static final SyncListener sNullListener = new SyncListener() {
+ @Override
+ public void onSyncDone(MediaSet mediaSet, int resultCode) {
+ }
+ };
+
+ private MediaSet mMediaSet;
+ private Future<Integer> mSyncTask = null;
+ private ContentListener mObserver = new ContentListener() {
+ @Override
+ public void onContentDirty() {
+ onContentChanged();
+ }
+ };
+
+ public MediaSetLoader(Context context, String path) {
+ super(context);
+ mMediaSet = DataManager.from(getContext()).getMediaSet(path);
+ }
+
+ @Override
+ protected void onStartLoading() {
+ super.onStartLoading();
+ mMediaSet.addContentListener(mObserver);
+ mSyncTask = mMediaSet.requestSync(sNullListener);
+ forceLoad();
+ }
+
+ @Override
+ protected boolean onCancelLoad() {
+ if (mSyncTask != null) {
+ mSyncTask.cancel();
+ mSyncTask = null;
+ }
+ return super.onCancelLoad();
+ }
+
+ @Override
+ protected void onStopLoading() {
+ super.onStopLoading();
+ cancelLoad();
+ mMediaSet.removeContentListener(mObserver);
+ }
+
+ @Override
+ protected void onReset() {
+ super.onReset();
+ onStopLoading();
+ }
+
+ @Override
+ public MediaSet loadInBackground() {
+ mMediaSet.loadIfDirty();
+ return mMediaSet;
+ }
+
+}
--- /dev/null
+/*
+ * Copyright (C) 2013 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.photos.data;
+
+import android.content.Context;
+import android.content.CursorLoader;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Files;
+import android.provider.MediaStore.Files.FileColumns;
+
+public class PhotoSetLoader extends CursorLoader {
+
+ private static final Uri CONTENT_URI = Files.getContentUri("external");
+ private static final String[] PROJECTION = new String[] {
+ FileColumns._ID,
+ FileColumns.DATA,
+ FileColumns.WIDTH,
+ FileColumns.HEIGHT,
+ FileColumns.DATE_ADDED,
+ FileColumns.MEDIA_TYPE,
+ };
+ private static final String SORT_ORDER = FileColumns.DATE_ADDED + " DESC";
+ private static final String SELECTION =
+ FileColumns.MEDIA_TYPE + " == " + FileColumns.MEDIA_TYPE_IMAGE
+ + " OR "
+ + FileColumns.MEDIA_TYPE + " == " + FileColumns.MEDIA_TYPE_VIDEO;
+
+ public static final int INDEX_ID = 0;
+ public static final int INDEX_DATA = 1;
+ public static final int INDEX_WIDTH = 2;
+ public static final int INDEX_HEIGHT = 3;
+ public static final int INDEX_DATE_ADDED = 4;
+ public static final int INDEX_MEDIA_TYPE = 5;
+
+ private static final Uri GLOBAL_CONTENT_URI = Uri.parse("content://" + MediaStore.AUTHORITY + "/external/");
+ private final ContentObserver mGlobalObserver = new ForceLoadContentObserver();
+
+ public PhotoSetLoader(Context context) {
+ super(context, CONTENT_URI, PROJECTION, SELECTION, null, SORT_ORDER);
+ }
+
+ @Override
+ protected void onStartLoading() {
+ super.onStartLoading();
+ getContext().getContentResolver().registerContentObserver(GLOBAL_CONTENT_URI,
+ true, mGlobalObserver);
+ }
+
+ @Override
+ protected void onReset() {
+ super.onReset();
+ getContext().getContentResolver().unregisterContentObserver(mGlobalObserver);
+ }
+}
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