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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.photos;
     18 
     19 import android.app.LoaderManager.LoaderCallbacks;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.Loader;
     23 import android.database.Cursor;
     24 import android.net.Uri;
     25 import android.os.Bundle;
     26 import android.provider.MediaStore.Files.FileColumns;
     27 import android.view.LayoutInflater;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.GridView;
     31 
     32 import com.android.gallery3d.R;
     33 import com.android.photos.adapters.AlbumSetCursorAdapter;
     34 import com.android.photos.data.AlbumSetLoader;
     35 import com.android.photos.shims.LoaderCompatShim;
     36 import com.android.photos.shims.MediaSetLoader;
     37 
     38 import java.util.ArrayList;
     39 
     40 
     41 public class AlbumSetFragment extends MultiSelectGridFragment implements LoaderCallbacks<Cursor> {
     42 
     43     private AlbumSetCursorAdapter mAdapter;
     44     private LoaderCompatShim<Cursor> mLoaderCompatShim;
     45 
     46     private static final int LOADER_ALBUMSET = 1;
     47 
     48     @Override
     49     public void onCreate(Bundle savedInstanceState) {
     50         super.onCreate(savedInstanceState);
     51         Context context = getActivity();
     52         mAdapter = new AlbumSetCursorAdapter(context);
     53     }
     54 
     55     @Override
     56     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     57             Bundle savedInstanceState) {
     58         View root = super.onCreateView(inflater, container, savedInstanceState);
     59         getLoaderManager().initLoader(LOADER_ALBUMSET, null, this);
     60         return root;
     61     }
     62 
     63     @Override
     64     public void onViewCreated(View view, Bundle savedInstanceState) {
     65         super.onViewCreated(view, savedInstanceState);
     66         getGridView().setColumnWidth(getActivity().getResources()
     67                 .getDimensionPixelSize(R.dimen.album_set_item_width));
     68     }
     69 
     70     @Override
     71     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
     72         // TODO: Switch to AlbumSetLoader
     73         MediaSetLoader loader = new MediaSetLoader(getActivity());
     74         mAdapter.setDrawableFactory(loader);
     75         mLoaderCompatShim = loader;
     76         return loader;
     77     }
     78 
     79     @Override
     80     public void onLoadFinished(Loader<Cursor> loader,
     81             Cursor data) {
     82         mAdapter.swapCursor(data);
     83         setAdapter(mAdapter);
     84     }
     85 
     86     @Override
     87     public void onLoaderReset(Loader<Cursor> loader) {
     88     }
     89 
     90     @Override
     91     public void onGridItemClick(GridView g, View v, int position, long id) {
     92         if (mLoaderCompatShim == null) {
     93             // Not fully initialized yet, discard
     94             return;
     95         }
     96         Cursor item = (Cursor) getItemAtPosition(position);
     97         Context context = getActivity();
     98         Intent intent = new Intent(context, AlbumActivity.class);
     99         intent.putExtra(AlbumActivity.KEY_ALBUM_URI,
    100                 mLoaderCompatShim.getPathForItem(item).toString());
    101         intent.putExtra(AlbumActivity.KEY_ALBUM_TITLE,
    102                 item.getString(AlbumSetLoader.INDEX_TITLE));
    103         context.startActivity(intent);
    104     }
    105 
    106     @Override
    107     public int getItemMediaType(Object item) {
    108         return FileColumns.MEDIA_TYPE_NONE;
    109     }
    110 
    111     @Override
    112     public int getItemSupportedOperations(Object item) {
    113         return ((Cursor) item).getInt(AlbumSetLoader.INDEX_SUPPORTED_OPERATIONS);
    114     }
    115 
    116     @Override
    117     public ArrayList<Uri> getSubItemUrisForItem(Object item) {
    118         return mLoaderCompatShim.urisForSubItems((Cursor) item);
    119     }
    120 
    121     @Override
    122     public void deleteItemWithPath(Object itemPath) {
    123         mLoaderCompatShim.deleteItemWithPath(itemPath);
    124     }
    125 
    126     @Override
    127     public Uri getItemUri(Object item) {
    128         return mLoaderCompatShim.uriForItem((Cursor) item);
    129     }
    130 
    131     @Override
    132     public Object getPathForItem(Object item) {
    133         return mLoaderCompatShim.getPathForItem((Cursor) item);
    134     }
    135 }
    136