Plumb the DragOperation through all the layers between the platform DnD code ...

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/renderer_host/render_widget_host.h"
 #include "chrome/common/modal_dialog_event.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/page_zoom.h"
 #include "webkit/api/public/WebConsoleMessage.h"
+#include "webkit/api/public/WebDragOperation.h"
 #include "webkit/api/public/WebTextDirection.h"
 #include "webkit/glue/autofill_form.h"
 #include "webkit/glue/password_form_dom_manager.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class RenderViewHostDelegate;
 class SiteInstance;
 class SkBitmap;
 class ViewMsg_Navigate;
 struct ContextMenuParams;
@@ skipping 202 matching lines @@
   void FillForm(const FormData& form_data);
 
   // Fill out a password form and trigger DOM autocomplete in the case
   // of multiple matching logins.
   void FillPasswordForm(
       const webkit_glue::PasswordFormDomManager::FillData& form_data);
 
   // D&d drop target messages that get sent to WebKit.
   void DragTargetDragEnter(const WebDropData& drop_data,
                            const gfx::Point& client_pt,
-                           const gfx::Point& screen_pt);
+                           const gfx::Point& screen_pt,
+                           WebKit::WebDragOperationsMask operations_allowed);
   void DragTargetDragOver(const gfx::Point& client_pt,
-                          const gfx::Point& screen_pt);
+                          const gfx::Point& screen_pt,
+                          WebKit::WebDragOperationsMask operations_allowed);
   void DragTargetDragLeave();
   void DragTargetDrop(const gfx::Point& client_pt,
                       const gfx::Point& screen_pt);
 
   // Tell the RenderView to reserve a range of page ids of the given size.
   void ReservePageIDRange(int size);
 
   // Runs some javascript within the context of a frame in the page.
   void ExecuteJavascriptInWebFrame(const std::wstring& frame_xpath,
                                    const std::wstring& jscript);
@@ skipping 45 matching lines @@
   // Notifies the RenderView that the modal html dialog has been closed.
   void ModalHTMLDialogClosed(IPC::Message* reply_msg,
                              const std::string& json_retval);
 
   // Send an action to the media player element located at |x|, |y|.
   void MediaPlayerActionAt(int x, int y, const MediaPlayerAction& action);
 
   // Copies the image at the specified point.
   void CopyImageAt(int x, int y);
 
-  // Notifies the renderer that a drag and drop was cancelled. This is
-  // necessary because the render may be the one that started the drag.
-  void DragSourceCancelledAt(
-      int client_x, int client_y, int screen_x, int screen_y);
-
-  // Notifies the renderer that a drop occurred. This is necessary because the
-  // render may be the one that started the drag.
+  // Notifies the renderer that a a drag operation that it started has ended,
+  // either in a drop or by being cancelled.
   void DragSourceEndedAt(
-      int client_x, int client_y, int screen_x, int screen_y);
+      int client_x, int client_y, int screen_x, int screen_y,
+      WebKit::WebDragOperation operation);
 
   // Notifies the renderer that a drag and drop operation is in progress, with
   // droppable items positioned over the renderer's view.
   void DragSourceMovedTo(
       int client_x, int client_y, int screen_x, int screen_y);
 
   // Notifies the renderer that we're done with the drag and drop operation.
   // This allows the renderer to reset some state.
   void DragSourceSystemDragEnded();
 
@@ skipping 187 matching lines @@
                                  IPC::Message* reply_msg);
   void OnMsgRunBeforeUnloadConfirm(const GURL& frame_url,
                                    const std::wstring& message,
                                    IPC::Message* reply_msg);
   void OnMsgShowModalHTMLDialog(const GURL& url, int width, int height,
                                 const std::string& json_arguments,
                                 IPC::Message* reply_msg);
   void OnMsgPasswordFormsSeen(
       const std::vector<webkit_glue::PasswordForm>& forms);
   void OnMsgAutofillFormSubmitted(const webkit_glue::AutofillForm& forms);
-  void OnMsgStartDragging(const WebDropData& drop_data);
-  void OnUpdateDragCursor(bool is_drop_target);
+  void OnMsgStartDragging(const WebDropData& drop_data,
+                          WebKit::WebDragOperationsMask operations_allowed);
+  void OnUpdateDragCursor(WebKit::WebDragOperation drag_operation);
   void OnTakeFocus(bool reverse);
   void OnMsgPageHasOSDD(int32 page_id, const GURL& doc_url, bool autodetected);
   void OnDidGetPrintedPagesCount(int cookie, int number_pages);
   void DidPrintPage(const ViewHostMsg_DidPrintPage_Params& params);
   void OnAddMessageToConsole(const std::wstring& message,
                              int32 line_no,
                              const std::wstring& source_id);
 
   void OnUpdateInspectorSettings(const std::wstring& raw_settings);
   void OnForwardToDevToolsAgent(const IPC::Message& message);
@@ skipping 111 matching lines @@
   // While in this mode, mouse click is converted into InspectElement
   // command.
   bool in_inspect_element_mode_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_