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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
#include <string>
#include "content/common/content_export.h"
#include "content/common/media/media_stream_options.h"
namespace content {
// MediaStreamRequester must be implemented by the class requesting a new media
// stream to be opened. MediaStreamManager will use this interface to signal
// success and error for a request.
class CONTENT_EXPORT MediaStreamRequester {
public:
// Called as a reply of a successful call to GenerateStream.
virtual void StreamGenerated(const std::string& label,
const StreamDeviceInfoArray& audio_devices,
const StreamDeviceInfoArray& video_devices) = 0;
// Called if GenerateStream failed or if stream has been stopped by the user.
// TODO(sergeyu): Rename this method and corresponding IPC message or maybe
// add a separate IPC message.
virtual void StreamGenerationFailed(const std::string& label) = 0;
// Called as a reply of a successful call to EnumerateDevices.
virtual void DevicesEnumerated(const std::string& label,
const StreamDeviceInfoArray& devices) = 0;
// Called as a reply of a successful call to OpenDevice.
virtual void DeviceOpened(const std::string& label,
const StreamDeviceInfo& device_info) = 0;
protected:
virtual ~MediaStreamRequester() {
}
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
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