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

third_party/WebKit/public/web/WebView.h

 /*
  * Copyright (C) 2009, 2010, 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 361 matching lines @@
                                                const WebSize& tapArea) = 0;
 
   // Notifies the WebView that a drag has terminated.
   virtual void dragSourceEndedAt(const WebPoint& pointInViewport,
                                  const WebPoint& screenPoint,
                                  WebDragOperation operation) = 0;
 
   // Notfies the WebView that the system drag and drop operation has ended.
   virtual void dragSourceSystemDragEnded() = 0;
 
-  // Callback methods when a drag-and-drop operation is trying to drop
-  // something on the WebView.
-  virtual WebDragOperation dragTargetDragEnter(
-      const WebDragData&,
-      const WebPoint& pointInViewport,
-      const WebPoint& screenPoint,
-      WebDragOperationsMask operationsAllowed,
-      int modifiers) = 0;
-  virtual WebDragOperation dragTargetDragOver(
-      const WebPoint& pointInViewport,
-      const WebPoint& screenPoint,
-      WebDragOperationsMask operationsAllowed,
-      int modifiers) = 0;
-  virtual void dragTargetDragLeave() = 0;
-  virtual void dragTargetDrop(const WebDragData&,
-                              const WebPoint& pointInViewport,
-                              const WebPoint& screenPoint,
-                              int modifiers) = 0;
-
   // Retrieves a list of spelling markers.
   virtual void spellingMarkers(WebVector<uint32_t>* markers) = 0;
   virtual void removeSpellingMarkersUnderWords(
       const WebVector<WebString>& words) = 0;
 
   // Support for resource loading initiated by plugins -------------------
 
   // Returns next unused request identifier which is unique within the
   // parent Page.
   virtual unsigned long createUniqueIdentifierForRequest() = 0;
@@ skipping 122 matching lines @@
   // completed.
   WebWidget* widget() { return this; }
 
  protected:
   ~WebView() {}
 };
 
 }  // namespace blink
 
 #endif