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// Copyright (c) 2011 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 media_stream {
// 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.
virtual void StreamGenerationFailed(const std::string& label) = 0;
// AudioDeviceFailed is called if an already opened audio device encounters
// an error.
virtual void AudioDeviceFailed(const std::string& label, int index) = 0;
// VideoDeviceFailed is called if an already opened video device encounters
// an error.
virtual void VideoDeviceFailed(const std::string& label, int index) = 0;
protected:
virtual ~MediaStreamRequester() {
}
};
} // namespace media_stream
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
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