| /* |
| * Copyright (C) 2011 Google Inc. |
| * Licensed to 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.ex.photo.loaders; |
| |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.support.v4.content.CursorLoader; |
| |
| import com.android.ex.photo.provider.PhotoContract; |
| |
| /** |
| * Loader for a set of photo IDs. |
| */ |
| public class PhotoPagerLoader extends CursorLoader { |
| private final Uri mPhotosUri; |
| private final String[] mProjection; |
| |
| public PhotoPagerLoader( |
| Context context, Uri photosUri, String[] projection) { |
| super(context); |
| mPhotosUri = photosUri; |
| mProjection = projection != null ? projection : PhotoContract.PhotoQuery.PROJECTION; |
| } |
| |
| @Override |
| public Cursor loadInBackground() { |
| Cursor returnCursor = null; |
| |
| final Uri loaderUri = mPhotosUri.buildUpon().appendQueryParameter( |
| PhotoContract.ContentTypeParameters.CONTENT_TYPE, "image/").build(); |
| setUri(loaderUri); |
| setProjection(mProjection); |
| returnCursor = super.loadInBackground(); |
| |
| return returnCursor; |
| } |
| } |