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/*
* 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.Context;
import android.content.Loader;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.CursorAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.android.gallery3d.R;
import com.android.photos.data.AlbumSetLoader;
import com.android.photos.drawables.DrawableFactory;
import com.android.photos.shims.MediaSetLoader;
import java.util.Date;
public class AlbumSetFragment extends Fragment implements OnItemClickListener,
LoaderCallbacks<Cursor> {
private GridView mAlbumSetView;
private View mEmptyView;
private AlbumSetCursorAdapter mAdapter;
private static final int LOADER_ALBUMSET = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAdapter = new AlbumSetCursorAdapter(getActivity());
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.album_set, container, false);
mAlbumSetView = (GridView) root.findViewById(android.R.id.list);
mEmptyView = root.findViewById(android.R.id.empty);
mEmptyView.setVisibility(View.GONE);
mAlbumSetView.setAdapter(mAdapter);
mAlbumSetView.setOnItemClickListener(this);
getLoaderManager().initLoader(LOADER_ALBUMSET, null, this);
updateEmptyStatus();
return root;
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// TODO: Switch to AlbumSetLoader
MediaSetLoader loader = new MediaSetLoader(getActivity());
mAdapter.setDrawableFactory(loader);
return loader;
}
@Override
public void onLoadFinished(Loader<Cursor> loader,
Cursor data) {
mAdapter.swapCursor(data);
updateEmptyStatus();
}
private void updateEmptyStatus() {
boolean empty = (mAdapter == null || mAdapter.getCount() == 0);
mAlbumSetView.setVisibility(empty ? View.GONE : View.VISIBLE);
mEmptyView.setVisibility(empty ? View.VISIBLE : View.GONE);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
@Override
public void onItemClick(AdapterView<?> av, View v, int pos, long id) {
Cursor c = (Cursor) av.getItemAtPosition(pos);
int albumId = c.getInt(AlbumSetLoader.INDEX_ID);
// TODO launch an activity showing the photos in the album
Toast.makeText(v.getContext(), "Clicked " + albumId, Toast.LENGTH_SHORT).show();
}
private static class AlbumSetCursorAdapter extends CursorAdapter {
private DrawableFactory<Cursor> mDrawableFactory;
public void setDrawableFactory(DrawableFactory<Cursor> factory) {
mDrawableFactory = factory;
}
private Date mDate = new Date(); // Used for converting timestamps for display
public AlbumSetCursorAdapter(Context context) {
super(context, null, false);
}
@Override
public void bindView(View v, Context context, Cursor cursor) {
TextView titleTextView = (TextView) v.findViewById(
R.id.album_set_item_title);
titleTextView.setText(cursor.getString(AlbumSetLoader.INDEX_TITLE));
TextView dateTextView = (TextView) v.findViewById(
R.id.album_set_item_date);
long timestamp = cursor.getLong(AlbumSetLoader.INDEX_TIMESTAMP);
if (timestamp > 0) {
mDate.setTime(timestamp);
dateTextView.setText(DateFormat.getMediumDateFormat(context).format(mDate));
} else {
dateTextView.setText(null);
}
ProgressBar uploadProgressBar = (ProgressBar) v.findViewById(
R.id.album_set_item_upload_progress);
if (cursor.getInt(AlbumSetLoader.INDEX_COUNT_PENDING_UPLOAD) > 0) {
uploadProgressBar.setVisibility(View.VISIBLE);
uploadProgressBar.setProgress(50);
} else {
uploadProgressBar.setVisibility(View.INVISIBLE);
}
ImageView thumbImageView = (ImageView) v.findViewById(
R.id.album_set_item_image);
Drawable recycle = thumbImageView.getDrawable();
Drawable drawable = mDrawableFactory.drawableForItem(cursor, recycle);
if (recycle != drawable) {
thumbImageView.setImageDrawable(drawable);
}
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return LayoutInflater.from(context).inflate(
R.layout.album_set_item, parent, false);
}
}
}
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