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/*
* Copyright 2015 Google Inc. All Rights Reserved.
*
* 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.
*/
#ifndef COBALT_DOM_SOURCE_BUFFER_LIST_H_
#define COBALT_DOM_SOURCE_BUFFER_LIST_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "cobalt/dom/event_queue.h"
#include "cobalt/dom/event_target.h"
#include "cobalt/dom/source_buffer.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace dom {
// The SourceBufferList interface represents a list of SourceBuffer. It is used
// to access all the SourceBuffers and the active SourceBuffers of a MediaSource
// object.
// https://rawgit.com/w3c/media-source/6747ed7a3206f646963d760100b0f37e2fc7e47e/media-source.html#sourcebufferlist
class SourceBufferList : public EventTarget {
public:
// Custom, not in any spec.
//
explicit SourceBufferList(EventQueue* event_queue);
~SourceBufferList() OVERRIDE;
// Web API: SourceBuffer
//
uint32 length() const;
scoped_refptr<SourceBuffer> Item(uint32 index) const;
// Custom, not in any spec.
//
// Generates an id for adding a new SourceBuffer. This id is unique in the
// context of this SourceBufferList.
std::string GenerateUniqueId();
void Add(const scoped_refptr<SourceBuffer>& source_buffer);
bool Remove(const scoped_refptr<SourceBuffer>& source_buffer);
void Clear();
DEFINE_WRAPPABLE_TYPE(SourceBufferList);
private:
// From EventTarget.
std::string GetDebugName() OVERRIDE { return "SourceBufferList"; }
// Use vector so we can reserve memory in ctor.
typedef std::vector<scoped_refptr<SourceBuffer> > SourceBuffers;
SourceBuffers source_buffers_;
int32 last_source_buffer_id_;
EventQueue* event_queue_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_SOURCE_BUFFER_LIST_H_