Allow dragging and dropping of URLs to any portion of the toolbar view....

chrome/browser/autocomplete/autocomplete_edit_view_win.h

 // Copyright (c) 2011 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_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_WIN_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 121 matching lines @@
   virtual void OnBeforePossibleChange();
   virtual bool OnAfterPossibleChange();
   virtual gfx::NativeView GetNativeView() const;
   virtual CommandUpdater* GetCommandUpdater();
   virtual void SetInstantSuggestion(const string16& suggestion);
   virtual string16 GetInstantSuggestion() const;
   virtual int TextWidth() const;
   virtual bool IsImeComposing() const;
 
   virtual views::View* AddToView(views::View* parent);
+  virtual int OnPerformDrop(const views::DropTargetEvent& event);
 
   int GetPopupMaxYCoordinate();
 
   // Exposes custom IAccessible implementation to the overall MSAA hierarchy.
   IAccessible* GetIAccessible();
 
   void SetDropHighlightPosition(int position);
   int drop_highlight_position() const { return drop_highlight_position_; }
 
   // Returns true if a drag a drop session was initiated by this edit.
@@ skipping 85 matching lines @@
                  ITextDocument* text_object_model);
     ~ScopedFreeze();
 
    private:
     AutocompleteEditViewWin* const edit_;
     ITextDocument* const text_object_model_;
 
     DISALLOW_COPY_AND_ASSIGN(ScopedFreeze);
   };
 
+  class EditDropTarget;
+  friend class EditDropTarget;
+
   // This object suspends placing any operations on the edit's undo stack until
   // the object is destroyed.  If we don't do this, some of the operations we
   // perform behind the user's back will be undoable by the user, which feels
   // bizarre and confusing.
   class ScopedSuspendUndo {
    public:
     explicit ScopedSuspendUndo(ITextDocument* text_object_model);
     ~ScopedSuspendUndo();
 
    private:
@@ skipping 148 matching lines @@
   int GetHorizontalMargin() const;
 
   // Returns the width in pixels needed to display |text|.
   int WidthNeededToDisplay(const string16& text) const;
 
   // Real implementation of OnAfterPossibleChange() method.
   // If |force_text_changed| is true, then the text_changed code will always be
   // triggerred no matter if the text is actually changed or not.
   bool OnAfterPossibleChangeInternal(bool force_text_changed);
 
+  // Common implementation for performing a drop on the edit view.
+  int OnPerformDropImpl(const views::DropTargetEvent& event, bool in_drag);
+
   scoped_ptr<AutocompleteEditModel> model_;
 
   scoped_ptr<AutocompletePopupView> popup_view_;
 
   AutocompleteEditController* controller_;
 
   // The parent view for the edit, used to align the popup and for
   // accessibility.
   views::View* parent_view_;
 
@@ skipping 104 matching lines @@
   // striken-out when displaying an insecure scheme.
   url_parse::Component insecure_scheme_component_;
 
   // Instance of accessibility information and handling.
   mutable ScopedComPtr<IAccessible> autocomplete_accessibility_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewWin);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_WIN_H_