chrome/browser/media/permission_bubble_media_access_handler.h

   1 // Copyright 2015 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.
   4
   5 #ifndef CHROME_BROWSER_MEDIA_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_
   6 #define CHROME_BROWSER_MEDIA_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_
   7
   8 #include <deque>
   9 #include <map>
  10
  11 #include "chrome/browser/media/media_access_handler.h"
  12 #include "content/public/browser/notification_observer.h"
  13 #include "content/public/browser/notification_registrar.h"
  14
  15 // MediaAccessHandler for permission bubble requests.
  16 class PermissionBubbleMediaAccessHandler
  17     : public MediaAccessHandler,
  18       public content::NotificationObserver {
  19  public:
  20   PermissionBubbleMediaAccessHandler();
  21   ~PermissionBubbleMediaAccessHandler() override;
  22
  23   // MediaAccessHandler implementation.
  24   bool SupportsStreamType(const content::MediaStreamType type,
  25                           const extensions::Extension* extension) override;
  26   bool CheckMediaAccessPermission(
  27       content::WebContents* web_contents,
  28       const GURL& security_origin,
  29       content::MediaStreamType type,
  30       const extensions::Extension* extension) override;
  31   void HandleRequest(content::WebContents* web_contents,
  32                      const content::MediaStreamRequest& request,
  33                      const content::MediaResponseCallback& callback,
  34                      const extensions::Extension* extension) override;
  35   void UpdateMediaRequestState(int render_process_id,
  36                                int render_frame_id,
  37                                int page_request_id,
  38                                content::MediaStreamType stream_type,
  39                                content::MediaRequestState state) override;
  40
  41  private:
  42   struct PendingAccessRequest;
  43   typedef std::deque<PendingAccessRequest> RequestsQueue;
  44   typedef std::map<content::WebContents*, RequestsQueue> RequestsQueues;
  45
  46   void ProcessQueuedAccessRequest(content::WebContents* web_contents);
  47   void OnAccessRequestResponse(content::WebContents* web_contents,
  48                                const content::MediaStreamDevices& devices,
  49                                content::MediaStreamRequestResult result,
  50                                scoped_ptr<content::MediaStreamUI> ui);
  51
  52   // content::NotificationObserver implementation.
  53   void Observe(int type,
  54                const content::NotificationSource& source,
  55                const content::NotificationDetails& details) override;
  56
  57   RequestsQueues pending_requests_;
  58   content::NotificationRegistrar notifications_registrar_;
  59 };
  60 #endif  // CHROME_BROWSER_MEDIA_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_