74 lines
2.4 KiB
Java
74 lines
2.4 KiB
Java
/*
|
|
* 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.android.messaging.datamodel.media;
|
|
|
|
import com.android.messaging.datamodel.media.MediaResourceManager.MediaResourceLoadListener;
|
|
|
|
import java.util.List;
|
|
|
|
/**
|
|
* A mix-in style class that wraps around a normal, threading-agnostic MediaRequest object with
|
|
* functionalities offered by {@link BindableMediaRequest} to allow for async processing.
|
|
*/
|
|
class AsyncMediaRequestWrapper<T extends RefCountedMediaResource> extends BindableMediaRequest<T> {
|
|
|
|
/**
|
|
* Create a new async media request wrapper instance given the listener.
|
|
*/
|
|
public static <T extends RefCountedMediaResource> AsyncMediaRequestWrapper<T>
|
|
createWith(final MediaRequest<T> wrappedRequest,
|
|
final MediaResourceLoadListener<T> listener) {
|
|
return new AsyncMediaRequestWrapper<T>(listener, wrappedRequest);
|
|
}
|
|
|
|
private final MediaRequest<T> mWrappedRequest;
|
|
|
|
private AsyncMediaRequestWrapper(final MediaResourceLoadListener<T> listener,
|
|
final MediaRequest<T> wrappedRequest) {
|
|
super(listener);
|
|
mWrappedRequest = wrappedRequest;
|
|
}
|
|
|
|
@Override
|
|
public String getKey() {
|
|
return mWrappedRequest.getKey();
|
|
}
|
|
|
|
@Override
|
|
public MediaCache<T> getMediaCache() {
|
|
return mWrappedRequest.getMediaCache();
|
|
}
|
|
|
|
@Override
|
|
public int getRequestType() {
|
|
return mWrappedRequest.getRequestType();
|
|
}
|
|
|
|
@Override
|
|
public T loadMediaBlocking(List<MediaRequest<T>> chainedTask) throws Exception {
|
|
return mWrappedRequest.loadMediaBlocking(chainedTask);
|
|
}
|
|
|
|
@Override
|
|
public int getCacheId() {
|
|
return mWrappedRequest.getCacheId();
|
|
}
|
|
|
|
@Override
|
|
public MediaRequestDescriptor<T> getDescriptor() {
|
|
return mWrappedRequest.getDescriptor();
|
|
}
|
|
} |