Drag-and-drop: Target drag messages (the sequel).

content/browser/web_contents/web_contents_view_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Carbon/Carbon.h>
 
 #import "content/browser/web_contents/web_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 47 matching lines @@
 STATIC_ASSERT_ENUM(NSDragOperationMove, blink::WebDragOperationMove);
 STATIC_ASSERT_ENUM(NSDragOperationDelete, blink::WebDragOperationDelete);
 STATIC_ASSERT_ENUM(NSDragOperationEvery, blink::WebDragOperationEvery);
 
 @interface WebContentsViewCocoa (Private)
 - (id)initWithWebContentsViewMac:(WebContentsViewMac*)w;
 - (void)registerDragTypes;
 - (void)setCurrentDragOperation:(NSDragOperation)operation;
 - (DropData*)dropData;
 - (void)startDragWithDropData:(const DropData&)dropData
+                    sourceRWH:(content::RenderWidgetHostImpl*)sourceRWH
             dragOperationMask:(NSDragOperation)operationMask
                         image:(NSImage*)image
                        offset:(NSPoint)offset;
 - (void)cancelDeferredClose;
 - (void)clearWebContentsView;
 - (void)closeTabAfterEvent;
 - (void)updateWebContentsVisibility;
 - (void)viewDidBecomeFirstResponder:(NSNotification*)notification;
 - (content::WebContentsImpl*)webContents;
 @end
@@ skipping 106 matching lines @@
   base::mac::ScopedSendingEvent sending_event_scoper;
 
   // The drag invokes a nested event loop, arrange to continue
   // processing events.
   base::MessageLoop::ScopedNestableTaskAllower allow(
       base::MessageLoop::current());
   NSDragOperation mask = static_cast<NSDragOperation>(allowed_operations);
   NSPoint offset = NSPointFromCGPoint(
       gfx::PointAtOffsetFromOrigin(image_offset).ToCGPoint());
   [cocoa_view_ startDragWithDropData:drop_data
+                           sourceRWH:source_rwh
                    dragOperationMask:mask
                                image:gfx::NSImageFromImageSkia(image)
                               offset:offset];
 }
 
 void WebContentsViewMac::SizeContents(const gfx::Size& size) {
   // TODO(brettw | japhet) This is a hack and should be removed.
   // See web_contents_view.h.
   // Note(erikchen): This method has /never/ worked correctly. I've removed the
   // previous implementation.
@@ skipping 330 matching lines @@
   DCHECK(view);
   [view->cocoa_view() setOpaque:opaque];
 }
 
 - (void)pasteboard:(NSPasteboard*)sender provideDataForType:(NSString*)type {
   [dragSource_ lazyWriteToPasteboard:sender
                              forType:type];
 }
 
 - (void)startDragWithDropData:(const DropData&)dropData
+                    sourceRWH:(content::RenderWidgetHostImpl*)sourceRWH
             dragOperationMask:(NSDragOperation)operationMask
                         image:(NSImage*)image
                        offset:(NSPoint)offset {
   if (![self webContents])
     return;
   dragSource_.reset([[WebDragSource alloc]
-      initWithContents:[self webContents]
-                  view:self
-              dropData:&dropData
-                 image:image
-                offset:offset
-            pasteboard:[NSPasteboard pasteboardWithName:NSDragPboard]
-     dragOperationMask:operationMask]);
+       initWithContents:[self webContents]
+                   view:self
+               dropData:&dropData
+              sourceRWH:sourceRWH
+                  image:image
+                 offset:offset
+             pasteboard:[NSPasteboard pasteboardWithName:NSDragPboard]
+      dragOperationMask:operationMask]);
   [dragSource_ startDrag];
 }
 
 // NSDraggingSource methods
 
 - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal {
   if (dragSource_)
     return [dragSource_ draggingSourceOperationMaskForLocal:isLocal];
   // No web drag source - this is the case for dragging a file from the
   // downloads manager. Default to copy operation. Note: It is desirable to
@@ skipping 152 matching lines @@
 
 - (void)viewDidHide {
   [self updateWebContentsVisibility];
 }
 
 - (void)viewDidUnhide {
   [self updateWebContentsVisibility];
 }
 
 @end