| // 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(int render_frame_id, |
| int page_request_id, |
| const std::string& label, |
| const StreamDeviceInfoArray& audio_devices, |
| const StreamDeviceInfoArray& video_devices) = 0; |
| // Called if GenerateStream failed. |
| virtual void StreamGenerationFailed( |
| int render_frame_id, |
| int page_request_id, |
| content::MediaStreamRequestResult result) = 0; |
| // Called if a device has been stopped by a user from UI or the device |
| // has become unavailable. |render_frame_id| is the render frame that |
| // requested the device and |label| is the label of the request. |
| virtual void DeviceStopped(int render_frame_id, |
| const std::string& label, |
| const StreamDeviceInfo& device) = 0; |
| // Called as a reply of a successful call to OpenDevice. |
| virtual void DeviceOpened(int render_frame_id, |
| int page_request_id, |
| const std::string& label, |
| const StreamDeviceInfo& device_info) = 0; |
| |
| protected: |
| virtual ~MediaStreamRequester() { |
| } |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_ |