Get audio and video state before stopping call controller.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

NextcloudTalk/CallViewController.m

@@ -1769,7 +1769,7 @@ typedef void (^UpdateCallParticipantViewCellBlock)(CallParticipantViewCell *cell
     });
 }
 
-- (void)callController:(NCCallController *)callController isSwitchingToCall:(NSString *)token
+- (void)callController:(NCCallController *)callController isSwitchingToCall:(NSString *)token withAudioEnabled:(BOOL)audioEnabled andVideoEnabled:(BOOL)videoEnabled
 {
     [self setCallState:CallStateSwitchingToAnotherRoom];
 
@@ -1794,8 +1794,8 @@ typedef void (^UpdateCallParticipantViewCellBlock)(CallParticipantViewCell *cell
             // Asign new room as current room
             self->_room = [NCRoom roomWithDictionary:roomDict andAccountId:activeAccount.accountId];
             // Save current audio and video state
-            self->_audioDisabledAtStart = !self->_callController.isAudioEnabled;
-            self->_videoDisabledAtStart = !self->_callController.isVideoEnabled;
+            self->_audioDisabledAtStart = !audioEnabled;
+            self->_videoDisabledAtStart = !videoEnabled;
             // Forget current call controller
             self->_callController = nil;
             // Join new room

NextcloudTalk/NCCallController.h

@@ -52,7 +52,7 @@
 - (void)callControllerIsReconnectingCall:(NCCallController *)callController;
 - (void)callControllerWantsToHangUpCall:(NCCallController *)callController;
 - (void)callControllerDidChangeRecording:(NCCallController *)callController;
-- (void)callController:(NCCallController *)callController isSwitchingToCall:(NSString *)token;
+- (void)callController:(NCCallController *)callController isSwitchingToCall:(NSString *)token withAudioEnabled:(BOOL)audioEnabled andVideoEnabled:(BOOL)videoEnabled;
 
 @end
 

NextcloudTalk/NCCallController.m

@@ -262,9 +262,11 @@ static NSString * const kNCVideoTrackKind = @"video";
 - (void)willSwitchToCall:(NSString *)token
 {
     NSLog(@"willSwitchToCall");
+    BOOL isAudioEnabled = [self isAudioEnabled];
+    BOOL isVideoEnabled = [self isVideoEnabled];
     _userInCall = 0;
     [self stopCallController];
-    [self.delegate callController:self isSwitchingToCall:token];
+    [self.delegate callController:self isSwitchingToCall:token withAudioEnabled:isAudioEnabled andVideoEnabled:isVideoEnabled];
 }