Drag-and-drop: DragEnter, DragOver, DragLeave, DragDrop

content/browser/web_contents/web_contents_view_aura.cc

 // 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.
 
 #include "content/browser/web_contents/web_contents_view_aura.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/auto_reset.h"
@@ skipping 1090 matching lines @@
   }
 
   web_contents_->GetDelegate()->ContentsMouseEvent(
       web_contents_, display::Screen::GetScreen()->GetCursorScreenPoint(),
       type == ui::ET_MOUSE_MOVED, type == ui::ET_MOUSE_EXITED);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsViewAura, aura::client::DragDropDelegate implementation:
 
+// TODO(paulmeyer): The drag-and-drop calls on GetRenderViewHost()->GetWidget()
+// in the following functions will need to be targeted to specific
+// RenderWidgetHosts in order to work with OOPIFs. See crbug.com/647249.
+
 void WebContentsViewAura::OnDragEntered(const ui::DropTargetEvent& event) {
   current_rvh_for_drag_ = web_contents_->GetRenderViewHost();
   current_drop_data_.reset(new DropData());
 
   PrepareDropData(current_drop_data_.get(), event.data());
 
-  web_contents_->GetRenderViewHost()->FilterDropData(current_drop_data_.get());
+  web_contents_->GetRenderViewHost()->GetWidget()->
+      FilterDropData(current_drop_data_.get());
 
   blink::WebDragOperationsMask op = ConvertToWeb(event.source_operations());
 
   // Give the delegate an opportunity to cancel the drag.
   if (web_contents_->GetDelegate() &&
       !web_contents_->GetDelegate()->CanDragEnter(
           web_contents_, *current_drop_data_.get(), op)) {
     current_drop_data_.reset(NULL);
     return;
   }
 
   if (drag_dest_delegate_)
     drag_dest_delegate_->DragInitialize(web_contents_);
 
   gfx::Point screen_pt = display::Screen::GetScreen()->GetCursorScreenPoint();
-  web_contents_->GetRenderViewHost()->DragTargetDragEnter(
+  web_contents_->GetRenderViewHost()->GetWidget()->DragTargetDragEnter(
       *current_drop_data_, event.location(), screen_pt, op,
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
 
   if (drag_dest_delegate_) {
     drag_dest_delegate_->OnReceiveDragData(event.data());
     drag_dest_delegate_->OnDragEnter();
   }
 }
 
 int WebContentsViewAura::OnDragUpdated(const ui::DropTargetEvent& event) {
   DCHECK(current_rvh_for_drag_);
   if (current_rvh_for_drag_ != web_contents_->GetRenderViewHost())
     OnDragEntered(event);
 
   if (!current_drop_data_)
     return ui::DragDropTypes::DRAG_NONE;
 
   blink::WebDragOperationsMask op = ConvertToWeb(event.source_operations());
   gfx::Point screen_pt = event.root_location();
-  web_contents_->GetRenderViewHost()->DragTargetDragOver(
+  web_contents_->GetRenderViewHost()->GetWidget()->DragTargetDragOver(
       event.location(), screen_pt, op,
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
 
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDragOver();
 
   return ConvertFromWeb(current_drag_op_);
 }
 
 void WebContentsViewAura::OnDragExited() {
   DCHECK(current_rvh_for_drag_);
   if (current_rvh_for_drag_ != web_contents_->GetRenderViewHost())
     return;
 
   if (!current_drop_data_)
     return;
 
-  web_contents_->GetRenderViewHost()->DragTargetDragLeave();
+  web_contents_->GetRenderViewHost()->GetWidget()->DragTargetDragLeave();
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDragLeave();
 
   current_drop_data_.reset();
 }
 
 int WebContentsViewAura::OnPerformDrop(const ui::DropTargetEvent& event) {
   DCHECK(current_rvh_for_drag_);
   if (current_rvh_for_drag_ != web_contents_->GetRenderViewHost())
     OnDragEntered(event);
 
   if (!current_drop_data_)
     return ui::DragDropTypes::DRAG_NONE;
 
-  web_contents_->GetRenderViewHost()->DragTargetDrop(
+  web_contents_->GetRenderViewHost()->GetWidget()->DragTargetDrop(
       *current_drop_data_, event.location(),
       display::Screen::GetScreen()->GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   current_drop_data_.reset();
   return ConvertFromWeb(current_drag_op_);
 }
 
 void WebContentsViewAura::OnWindowVisibilityChanged(aura::Window* window,
@@ skipping 16 matching lines @@
                                         bool allow_multiple_selection) {
   NOTIMPLEMENTED() << " show " << items.size() << " menu items";
 }
 
 void WebContentsViewAura::HidePopupMenu() {
   NOTIMPLEMENTED();
 }
 #endif
 
 }  // namespace content