1 /* 2 * Copyright (C) 2015 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 package com.android.messaging.datamodel.media; 17 18 import android.content.Context; 19 20 import com.android.messaging.datamodel.media.MediaResourceManager.MediaResourceLoadListener; 21 22 /** 23 * The base data holder/builder class for constructing async/sync MediaRequest objects during 24 * runtime. 25 */ 26 public abstract class MediaRequestDescriptor<T extends RefCountedMediaResource> { 27 public abstract MediaRequest<T> buildSyncMediaRequest(Context context); 28 29 /** 30 * Builds an async media request to be used with 31 * {@link MediaResourceManager#requestMediaResourceAsync(MediaRequest)} 32 */ 33 public BindableMediaRequest<T> buildAsyncMediaRequest(final Context context, 34 final MediaResourceLoadListener<T> listener) { 35 final MediaRequest<T> syncRequest = buildSyncMediaRequest(context); 36 return AsyncMediaRequestWrapper.createWith(syncRequest, listener); 37 } 38 } 39
