| /* |
| * Copyright (C) 2015 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.example.android.tvleanback.data; |
| |
| import android.content.AsyncTaskLoader; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import com.example.android.tvleanback.model.Movie; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| |
| /* |
| * This class asynchronously loads videos from a backend |
| */ |
| public class VideoItemLoader extends AsyncTaskLoader<HashMap<String, List<Movie>>> { |
| |
| private static final String TAG = "VideoItemLoader"; |
| private final String mUrl; |
| private Context mContext; |
| |
| public VideoItemLoader(Context context, String url) { |
| super(context); |
| mContext = context; |
| mUrl = url; |
| } |
| |
| @Override |
| public HashMap<String, List<Movie>> loadInBackground() { |
| try { |
| return VideoProvider.buildMedia(mContext, mUrl); |
| } catch (Exception e) { |
| Log.e(TAG, "Failed to fetch media data", e); |
| return null; |
| } |
| } |
| |
| @Override |
| protected void onStartLoading() { |
| super.onStartLoading(); |
| forceLoad(); |
| } |
| |
| /** |
| * Handles a request to stop the Loader. |
| */ |
| @Override |
| protected void onStopLoading() { |
| // Attempt to cancel the current load task if possible. |
| cancelLoad(); |
| } |
| |
| } |