call: enable streaming from file

Change-Id: I8f75e454560d81816e4083d65e918f537a64ca01

src/views/CallView.h

@@ -28,7 +28,7 @@
 -(void) mouseIsMoving:(BOOL) move;
 -(void) screenShare;
 -(void) switchToDevice:(int)deviceID;
--(void) switchToFile:(std::string)uri;
+-(void) switchToFile:(QString)uri;
 -(QVector<QString>) getDeviceList;
 -(NSString *) getDefaultDeviceName;
 

src/views/CallView.mm

@@ -149,8 +149,7 @@ NSString *currentDevice;
     //check to see if we can accept the data
     return conforms;
 }
-#if 0
-// TODO: add file as a source
+
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
     /*------------------------------------------------------
@@ -158,17 +157,12 @@ NSString *currentDevice;
      --------------------------------------------------------*/
     if ( [sender draggingSource] != self ) {
         NSURL* fileURL = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
-        Call* call = [self getCurrentCall];
-        if (call == nullptr) return;
-        if (auto outVideo = call->firstMedia<media::Video>(media::Media::Direction::OUT)) {
-            outVideo->sourceModel()->setFile(QUrl::fromLocalFile(QString::fromUtf8([fileURL.path UTF8String])));
+        auto name = QString::fromNSString([@"file:///" stringByAppendingString: fileURL.path]);
+        [self.callDelegate switchToFile: name];
             return YES;
     }
-    }
-
     return NO;
 }
-#endif
 
 - (void)showContextualMenu:(NSEvent *)theEvent {
 
@@ -186,14 +180,13 @@ NSString *currentDevice;
                                  action:@selector(captureScreen:)
                           keyEquivalent:@""
                                 atIndex:contextualMenu.itemArray.count];
-#if 0
-// TODO: add file as a source
+
     [contextualMenu addItem:[NSMenuItem separatorItem]];
     [contextualMenu insertItemWithTitle:NSLocalizedString(@"Choose file", @"Contextual menu entry")
                                  action:@selector(chooseFile:)
                           keyEquivalent:@""
                                 atIndex:contextualMenu.itemArray.count];
-#endif
+
 
     auto menuItem = [contextualMenu itemWithTitle:currentDevice];
     if(menuItem) {
@@ -270,7 +263,8 @@ NSString *currentDevice;
     [browsePanel beginSheetModalForWindow:[self window] completionHandler:^(NSInteger result) {
         if (result == NSFileHandlingPanelOKButton) {
             NSURL*  theDoc = [[browsePanel URLs] objectAtIndex:0];
-            [self.callDelegate switchToFile: [theDoc.path UTF8String]];
+            auto name = QString::fromNSString([@"file:///" stringByAppendingString: theDoc.path]);
+            [self.callDelegate switchToFile: name];
         }
     }];
 }