electron/atom/browser/stream_manager.h

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2017-01-20 19:16:38 +00:00
// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_STREAM_MANAGER_H_
#define ATOM_BROWSER_STREAM_MANAGER_H_
#include <map>
#include <string>
#include "base/macros.h"
#include "content/public/browser/stream_info.h"
#include "content/public/browser/web_contents_observer.h"
namespace atom {
// A container for streams that have not been claimed by associated
// WebContents.
class StreamManager {
public:
StreamManager();
~StreamManager();
void AddStream(std::unique_ptr<content::StreamInfo> stream,
const std::string& view_id,
int render_process_id,
int render_frame_id);
std::unique_ptr<content::StreamInfo> ReleaseStream(
const std::string& view_id);
private:
// WebContents observer that deletes an unclaimed stream
// associated with it, when destroyed.
class EmbedderObserver : public content::WebContentsObserver {
public:
EmbedderObserver(StreamManager* stream_manager,
const std::string& view_id,
int render_process_id,
int render_frame_id);
private:
// content::WebContentsObserver:
void RenderProcessGone(base::TerminationStatus status) override;
void WebContentsDestroyed() override;
void AbortStream();
StreamManager* stream_manager_;
std::string view_id_;
DISALLOW_COPY_AND_ASSIGN(EmbedderObserver);
};
std::map<std::string, std::unique_ptr<content::StreamInfo>> streams_;
std::map<std::string, std::unique_ptr<EmbedderObserver>> observers_;
DISALLOW_COPY_AND_ASSIGN(StreamManager);
};
} // namespace atom
#endif // ATOM_BROWSER_STREAM_MANAGER_H_