11cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein/* 21cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * Copyright (C) 2011 Google Inc. 31cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * Licensed to The Android Open Source Project. 41cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * 51cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * Licensed under the Apache License, Version 2.0 (the "License"); 61cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * you may not use this file except in compliance with the License. 71cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * You may obtain a copy of the License at 81cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * 91cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * http://www.apache.org/licenses/LICENSE-2.0 101cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * 111cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * Unless required by applicable law or agreed to in writing, software 121cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * distributed under the License is distributed on an "AS IS" BASIS, 131cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 141cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * See the License for the specific language governing permissions and 151cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * limitations under the License. 161cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein */ 171cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 181cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinpackage com.android.ex.photo.loaders; 191cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 201cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinimport android.content.Context; 211cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinimport android.content.CursorLoader; 221cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinimport android.database.Cursor; 231cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinimport android.net.Uri; 241cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 251cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinimport com.android.ex.photo.provider.PhotoContract; 261cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 271cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein/** 281cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein * Loader for a set of photo IDs. 291cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein */ 301cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sappersteinpublic class PhotoPagerLoader extends CursorLoader { 311cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein private final Uri mPhotosUri; 321cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein private final String[] mProjection; 331cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 341cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein public PhotoPagerLoader( 351cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein Context context, Uri photosUri, String[] projection) { 361cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein super(context); 371cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein mPhotosUri = photosUri; 381cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein mProjection = projection != null ? projection : PhotoContract.PhotoQuery.PROJECTION; 391cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein } 401cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 411cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein @Override 421cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein public Cursor loadInBackground() { 431cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein Cursor returnCursor = null; 441cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 451cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein final Uri loaderUri = mPhotosUri.buildUpon().appendQueryParameter( 461cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein PhotoContract.ContentTypeParameters.CONTENT_TYPE, "image/").build(); 471cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein setUri(loaderUri); 481cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein setProjection(mProjection); 491cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein returnCursor = super.loadInBackground(); 501cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein 511cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein return returnCursor; 521cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein } 531cc4b2144a45abb495c8b14f6cfc5a10fb5e8ba8Andrew Sapperstein} 54