chrome/browser/media/media_permission.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_MEDIA_PERMISSION_H_
   6 #define CHROME_BROWSER_MEDIA_MEDIA_PERMISSION_H_
   7
   8 #include <string>
   9
  10 #include "components/content_settings/core/common/content_settings.h"
  11 #include "components/content_settings/core/common/content_settings_types.h"
  12 #include "content/public/common/media_stream_request.h"
  13 #include "url/gurl.h"
  14
  15 class Profile;
  16
  17 // Represents a permission for microphone/camera access.
  18 class MediaPermission {
  19  public:
  20   MediaPermission(ContentSettingsType content_type,
  21                   content::MediaStreamRequestType request_type,
  22                   const GURL& origin,
  23                   Profile* profile);
  24
  25   // Returns the status of the permission. If the setting is
  26   // CONTENT_SETTING_BLOCK, |denial_reason| will output the reason for it being
  27   // blocked.
  28   ContentSetting GetPermissionStatus(
  29       content::MediaStreamRequestResult* denial_reason) const;
  30
  31   // Returns the status of the permission as with GetPermissionStatus but also
  32   // checks that the specified |device_id| is an available device.
  33   ContentSetting GetPermissionStatusWithDeviceRequired(
  34       const std::string& device_id,
  35       content::MediaStreamRequestResult* denial_reason) const;
  36
  37  private:
  38   ContentSetting GetStoredContentSetting() const;
  39   bool HasAvailableDevices(const std::string& device_id) const;
  40
  41   const ContentSettingsType content_type_;
  42   const content::MediaStreamRequestType request_type_;
  43   const GURL origin_;
  44   const std::string device_id_;
  45   Profile* const profile_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(MediaPermission);
  48 };
  49
  50 #endif  // CHROME_BROWSER_MEDIA_MEDIA_PERMISSION_H_