InstantExtended(gtk): Hide top match if told to so.

chrome/browser/ui/gtk/omnibox/omnibox_popup_view_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_OMNIBOX_OMNIBOX_POPUP_VIEW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_OMNIBOX_OMNIBOX_POPUP_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/font.h"
 
+class AutocompleteResult;
 class GtkThemeService;
 class OmniboxEditModel;
 class OmniboxPopupModel;
 class OmniboxView;
 class SkBitmap;
 
 namespace gfx {
 class Image;
 }
 
 namespace ui {
 class GtkSignalRegistrar;
 }
 
 class OmniboxPopupViewGtk : public OmniboxPopupView,
                             public content::NotificationObserver {
  public:
   OmniboxPopupViewGtk(const gfx::Font& font,
                       OmniboxView* omnibox_view,
                       OmniboxEditModel* edit_model,
                       GtkWidget* location_bar);
   virtual ~OmniboxPopupViewGtk();
 
+  // Initializes the view.
+  virtual void Init();
+
   // Overridden from OmniboxPopupView:
   virtual bool IsOpen() const OVERRIDE;
   virtual void InvalidateLine(size_t line) OVERRIDE;
   virtual void UpdatePopupAppearance() OVERRIDE;
   virtual gfx::Rect GetTargetBounds() OVERRIDE;
   virtual void PaintUpdatesNow() OVERRIDE;
   virtual void OnDragCanceled() OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+ protected:
+  // Convert a y-coordinate to the closest line / result.
+  size_t LineFromY(int y) const;
+
+  // Return a Rect for the space for a result line.  This excludes the border,
+  // but includes the padding.  This is the area that is colored for a
+  // selection.
+  gfx::Rect GetRectForLine(size_t line, int width) const;
+
+  // Returns the number of hidden matches at the top of the popup. This is
+  // non-zero when a verbatim match like search-what-you-typed is present but
+  // should not be shown.
+  size_t GetHiddenMatchCount() const;
+
+  // Returns the current autocomplete result.
+  virtual const AutocompleteResult& GetResult() const;
+
  private:
   // Be friendly for unit tests.
   friend class OmniboxPopupViewGtkTest;
 
   static void SetupLayoutForMatch(
       PangoLayout* layout,
       const string16& text,
       const AutocompleteMatch::ACMatchClassifications& classifications,
       const GdkColor* base_color,
       const GdkColor* dim_color,
       const GdkColor* url_color,
       const std::string& prefix_text);
 
-  void Show(size_t num_results);
-  void Hide();
+  virtual void Show(size_t num_results);
+  virtual void Hide();
 
   // Restack the popup window directly above the browser's toplevel window.
   void StackWindow();
 
-  // Convert a y-coordinate to the closest line / result.
-  size_t LineFromY(int y);
-
   // Accept a line of the results, for example, when the user clicks a line.
   void AcceptLine(size_t line, WindowOpenDisposition disposition);
 
+  // Returns the appropriate icon to display beside |match|.
   gfx::Image IconForMatch(const AutocompleteMatch& match,
                           bool selected,
                           bool is_selected_keyword);
 
   // Returns the |index|th element of match, unless we're selected and showing
   // the associated keyword match.
   void GetVisibleMatchForInput(size_t index,
                                const AutocompleteMatch** match,
                                bool* is_selected_keyword);
 
@@ skipping 48 matching lines @@
   // erroneously ignore the next drag.
   bool ignore_mouse_drag_;
 
   // Whether our popup is currently open / shown, or closed / hidden.
   bool opened_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxPopupViewGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_OMNIBOX_OMNIBOX_POPUP_VIEW_GTK_H_