1 // Copyright 2020 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_WEBRTC_CAMERA_PAN_TILT_ZOOM_PERMISSION_CONTEXT_H_ 6 #define CHROME_BROWSER_MEDIA_WEBRTC_CAMERA_PAN_TILT_ZOOM_PERMISSION_CONTEXT_H_ 7 8 #include "base/macros.h" 9 #include "build/build_config.h" 10 #include "components/content_settings/core/browser/content_settings_observer.h" 11 #include "components/content_settings/core/browser/host_content_settings_map.h" 12 #include "components/permissions/permission_context_base.h" 13 14 // Manage user permissions that only control camera movement (pan, tilt, and 15 // zoom). Those permissions are automatically reset when the "regular" camera 16 // permission is blocked or reset. 17 class CameraPanTiltZoomPermissionContext 18 : public permissions::PermissionContextBase, 19 public content_settings::Observer { 20 public: 21 explicit CameraPanTiltZoomPermissionContext( 22 content::BrowserContext* browser_context); 23 ~CameraPanTiltZoomPermissionContext() override; 24 25 CameraPanTiltZoomPermissionContext( 26 const CameraPanTiltZoomPermissionContext&) = delete; 27 CameraPanTiltZoomPermissionContext& operator=( 28 const CameraPanTiltZoomPermissionContext&) = delete; 29 30 private: 31 // PermissionContextBase 32 void RequestPermission( 33 content::WebContents* web_contents, 34 const permissions::PermissionRequestID& id, 35 const GURL& requesting_frame_origin, 36 bool user_gesture, 37 permissions::BrowserPermissionCallback callback) override; 38 #if defined(OS_ANDROID) 39 ContentSetting GetPermissionStatusInternal( 40 content::RenderFrameHost* render_frame_host, 41 const GURL& requesting_origin, 42 const GURL& embedding_origin) const override; 43 #endif 44 bool IsRestrictedToSecureOrigins() const override; 45 46 // content_settings::Observer 47 void OnContentSettingChanged(const ContentSettingsPattern& primary_pattern, 48 const ContentSettingsPattern& secondary_pattern, 49 ContentSettingsType content_type) override; 50 51 // Returns true if at least one video capture device has PTZ capabilities. 52 // Otherwise returns false. 53 bool HasAvailableCameraPtzDevices() const; 54 55 HostContentSettingsMap* host_content_settings_map_; 56 57 bool updating_camera_ptz_permission_ = false; 58 bool updating_mediastream_camera_permission_ = false; 59 }; 60 61 #endif // CHROME_BROWSER_MEDIA_WEBRTC_CAMERA_PAN_TILT_ZOOM_PERMISSION_CONTEXT_H_ 62