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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.view.LayoutInflater;
     27 import android.view.View;
     28 import android.view.ViewGroup;
     29 import android.widget.GridView;
     30 
     31 import com.android.gallery3d.app.GalleryActivity;
     32 import com.android.photos.adapters.PhotoThumbnailAdapter;
     33 import com.android.photos.data.PhotoSetLoader;
     34 import com.android.photos.shims.LoaderCompatShim;
     35 import com.android.photos.shims.MediaItemsLoader;
     36 
     37 import java.util.ArrayList;
     38 
     39 public class PhotoSetFragment extends MultiSelectGridFragment implements LoaderCallbacks<Cursor> {
     40 
     41     private static final int LOADER_PHOTOSET = 1;
     42 
     43     private LoaderCompatShim<Cursor> mLoaderCompatShim;
     44     private PhotoThumbnailAdapter mAdapter;
     45 
     46     @Override
     47     public void onCreate(Bundle savedInstanceState) {
     48         super.onCreate(savedInstanceState);
     49         Context context = getActivity();
     50         mAdapter = new PhotoThumbnailAdapter(context);
     51     }
     52 
     53     @Override
     54     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     55             Bundle savedInstanceState) {
     56         View root = super.onCreateView(inflater, container, savedInstanceState);
     57         getLoaderManager().initLoader(LOADER_PHOTOSET, null, this);
     58         return root;
     59     }
     60 
     61     @Override
     62     public void onViewCreated(View view, Bundle savedInstanceState) {
     63         super.onViewCreated(view, savedInstanceState);
     64         // TODO: Remove once UI stabilizes
     65         getGridView().setColumnWidth(MediaItemsLoader.getThumbnailSize());
     66     }
     67 
     68     @Override
     69     public void onGridItemClick(GridView g, View v, int position, long id) {
     70         if (mLoaderCompatShim == null) {
     71             // Not fully initialized yet, discard
     72             return;
     73         }
     74         Cursor item = (Cursor) getItemAtPosition(position);
     75         Uri uri = mLoaderCompatShim.uriForItem(item);
     76         Intent intent = new Intent(Intent.ACTION_VIEW, uri);
     77         intent.setClass(getActivity(), GalleryActivity.class);
     78         startActivity(intent);
     79     }
     80 
     81     @Override
     82     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
     83         // TODO: Switch to PhotoSetLoader
     84         MediaItemsLoader loader = new MediaItemsLoader(getActivity());
     85         mLoaderCompatShim = loader;
     86         mAdapter.setDrawableFactory(mLoaderCompatShim);
     87         return loader;
     88     }
     89 
     90     @Override
     91     public void onLoadFinished(Loader<Cursor> loader,
     92             Cursor data) {
     93         mAdapter.swapCursor(data);
     94         setAdapter(mAdapter);
     95     }
     96 
     97     @Override
     98     public void onLoaderReset(Loader<Cursor> loader) {
     99     }
    100 
    101     @Override
    102     public int getItemMediaType(Object item) {
    103         return ((Cursor) item).getInt(PhotoSetLoader.INDEX_MEDIA_TYPE);
    104     }
    105 
    106     @Override
    107     public int getItemSupportedOperations(Object item) {
    108         return ((Cursor) item).getInt(PhotoSetLoader.INDEX_SUPPORTED_OPERATIONS);
    109     }
    110 
    111     private ArrayList<Uri> mSubItemUriTemp = new ArrayList<Uri>(1);
    112     @Override
    113     public ArrayList<Uri> getSubItemUrisForItem(Object item) {
    114         mSubItemUriTemp.clear();
    115         mSubItemUriTemp.add(mLoaderCompatShim.uriForItem((Cursor) item));
    116         return mSubItemUriTemp;
    117     }
    118 
    119     @Override
    120     public void deleteItemWithPath(Object itemPath) {
    121         mLoaderCompatShim.deleteItemWithPath(itemPath);
    122     }
    123 
    124     @Override
    125     public Uri getItemUri(Object item) {
    126         return mLoaderCompatShim.uriForItem((Cursor) item);
    127     }
    128 
    129     @Override
    130     public Object getPathForItem(Object item) {
    131         return mLoaderCompatShim.getPathForItem((Cursor) item);
    132     }
    133 }
    134