1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
10 #include "content/common/content_export.h"
11 #include "content/common/media/media_stream_options.h"
15 // MediaStreamRequester must be implemented by the class requesting a new media
16 // stream to be opened. MediaStreamManager will use this interface to signal
17 // success and error for a request.
18 class CONTENT_EXPORT MediaStreamRequester {
20 // Called as a reply of a successful call to GenerateStream.
21 virtual void StreamGenerated(const std::string& label,
22 const StreamDeviceInfoArray& audio_devices,
23 const StreamDeviceInfoArray& video_devices) = 0;
24 // Called if GenerateStream failed.
25 virtual void StreamGenerationFailed(const std::string& label) = 0;
27 // Called if stream has been stopped by user request.
28 // TODO(perkj): StopGeneratedStream is used by screen capture in order to be
29 // able to stop screen capture from UI instead of from JS.
30 // This should also be refactored to be stopped per stream source instead of
31 // the complete stream.
32 virtual void StopGeneratedStream(int render_view_id,
33 const std::string& label) = 0;
35 // Called as a reply of a successful call to EnumerateDevices.
36 virtual void DevicesEnumerated(const std::string& label,
37 const StreamDeviceInfoArray& devices) = 0;
38 // Called as a reply of a successful call to OpenDevice.
39 virtual void DeviceOpened(const std::string& label,
40 const StreamDeviceInfo& device_info) = 0;
43 virtual ~MediaStreamRequester() {
47 } // namespace content
49 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_