| // Copyright 2016 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_CAPTURE_ACCESS_HANDLER_BASE_H_ |
| #define CHROME_BROWSER_MEDIA_CAPTURE_ACCESS_HANDLER_BASE_H_ |
| |
| #include <list> |
| |
| #include "chrome/browser/media/media_access_handler.h" |
| #include "content/public/browser/media_request_state.h" |
| #include "content/public/common/media_stream_request.h" |
| |
| // Base class for DesktopCaptureAccessHandler and TabCaptureAccessHandler. This |
| // class tracks active capturing sessions, and provides API to check if there is |
| // ongoing insecure video capturing. |
| class CaptureAccessHandlerBase : public MediaAccessHandler { |
| public: |
| CaptureAccessHandlerBase(); |
| ~CaptureAccessHandlerBase() override; |
| |
| // MediaAccessHandler implementation. |
| void UpdateMediaRequestState(int render_process_id, |
| int render_frame_id, |
| int page_request_id, |
| content::MediaStreamType stream_type, |
| content::MediaRequestState state) override; |
| |
| // Return true if there is any ongoing insecured capturing. The capturing is |
| // deemed secure if all connected video sinks are reported secure and the |
| // connections to the sinks are being managed by a trusted extension. |
| bool IsInsecureCapturingInProgress(int render_process_id, |
| int render_frame_id); |
| |
| void UpdateCapturingLinkSecured(int render_process_id, |
| int render_frame_id, |
| int page_request_id, |
| bool is_secure); |
| |
| protected: |
| static bool IsExtensionWhitelistedForScreenCapture( |
| const extensions::Extension* extension); |
| |
| static bool IsBuiltInExtension(const GURL& origin); |
| |
| void UpdateExtensionTrusted(const content::MediaStreamRequest& request, |
| const extensions::Extension* extension); |
| |
| private: |
| struct Session; |
| |
| void AddCaptureSession(int render_process_id, |
| int render_frame_id, |
| int page_request_id, |
| bool is_extension_trusted); |
| |
| void RemoveCaptureSession(int render_process_id, |
| int render_frame_id, |
| int page_request_id); |
| |
| std::list<Session>::iterator FindSession(int render_process_id, |
| int render_frame_id, |
| int page_request_id); |
| |
| std::list<Session> sessions_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CaptureAccessHandlerBase); |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_CAPTURE_ACCESS_HANDLER_BASE_H_ |