| // Copyright 2013 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 CHROME_BROWSER_MEDIA_DESKTOP_STREAMS_REGISTRY_H_ |
| #define CHROME_BROWSER_MEDIA_DESKTOP_STREAMS_REGISTRY_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "chrome/browser/media/desktop_media_list.h" |
| #include "url/gurl.h" |
| |
| // DesktopStreamsRegistry is used to store accepted desktop media streams for |
| // Desktop Capture API. Single instance of this class is created per browser in |
| // MediaCaptureDevicesDispatcher. |
| class DesktopStreamsRegistry { |
| public: |
| DesktopStreamsRegistry(); |
| ~DesktopStreamsRegistry(); |
| |
| // Adds new stream to the registry. Called by the implementation of |
| // desktopCapture.chooseDesktopMedia() API after user has approved access to |
| // |source| for the |origin|. Returns identifier of the new stream. |
| // |render_frame_id| refers to the RenderFrame requesting the stream. |
| std::string RegisterStream(int render_process_id, |
| int render_frame_id, |
| const GURL& origin, |
| const content::DesktopMediaID& source, |
| const std::string& extension_name); |
| |
| // Validates stream identifier specified in getUserMedia(). Returns null |
| // DesktopMediaID if the specified |id| is invalid, i.e. wasn't generated |
| // using RegisterStream() or if it was generated for a different |
| // RenderFrame/origin. Otherwise returns ID of the source and removes it from |
| // the registry. |
| content::DesktopMediaID RequestMediaForStreamId(const std::string& id, |
| int render_process_id, |
| int render_frame_id, |
| const GURL& origin, |
| std::string* extension_name); |
| |
| private: |
| // Type used to store list of accepted desktop media streams. |
| struct ApprovedDesktopMediaStream { |
| ApprovedDesktopMediaStream(); |
| |
| int render_process_id; |
| int render_frame_id; |
| GURL origin; |
| content::DesktopMediaID source; |
| std::string extension_name; |
| }; |
| typedef std::map<std::string, ApprovedDesktopMediaStream> StreamsMap; |
| |
| // Helper function that removes an expired stream from the registry. |
| void CleanupStream(const std::string& id); |
| |
| StreamsMap approved_streams_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DesktopStreamsRegistry); |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_DESKTOP_STREAMS_REGISTRY_H_ |