Start of photos

Change-Id: Id53dd96d8873e0fe6c2685e07cd7bdc0cde7ea75

1 files changed, 82 insertions, 0 deletions

diff --git a/src/com/android/photos/PhotoSetFragment.java b/src/com/android/photos/PhotoSetFragment.java
new file mode 100644
index 000000000..e9bfce56f
--- /dev/null
+++ b/src/com/android/photos/PhotoSetFragment.java
@@ -0,0 +1,82 @@
+/*
+ * 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) {
+    }
+}