GTK: Query TopSites for the Most Visited pages and populate fill in the global History menu.

chrome/browser/ui/gtk/global_history_menu.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_UI_GTK_GLOBAL_HISTORY_MENU_H_
 #define CHROME_BROWSER_UI_GTK_GLOBAL_HISTORY_MENU_H_
 
 #include <map>
 
-#include "content/browser/cancelable_request.h"
 #include "chrome/browser/favicon_service.h"
+#include "chrome/browser/history/history_types.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/sessions/tab_restore_service_observer.h"
+#include "content/browser/cancelable_request.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 class Browser;
+
+namespace history {
+class TopSites;
+}
+
 typedef struct _GdkPixbuf GdkPixbuf;
 
 // Controls the History menu.
 class GlobalHistoryMenu : public NotificationObserver,
                           public TabRestoreServiceObserver {
  public:
   explicit GlobalHistoryMenu(Browser* browser);
   virtual ~GlobalHistoryMenu();
 
   // Takes the history menu we need to modify based on the tab restore/most
   // visited state.
   void Init(GtkWidget* history_menu);
 
  private:
   class HistoryItem;
   struct ClearMenuClosure;
   struct GetIndexClosure;
 
   typedef std::map<GtkWidget*, HistoryItem*> MenuItemToHistoryMap;
 
+  // Sends a message off to History for data.
+  void GetTopSitesData();
+
+  // Callback to receive data requested from GetTopSitesData().
+  void OnTopSitesReceived(const history::MostVisitedURLList& visited_list);
+
   // Returns the currently existing HistoryItem associated with
   // |menu_item|. Can return NULL.
   HistoryItem* HistoryItemForMenuItem(GtkWidget* menu_item);
 
   // Returns whether there's a valid HistoryItem representation of |entry|.
   bool HasValidHistoryItemForTab(const TabRestoreService::Tab& entry);
 
   // Creates a HistoryItem from the data in |entry|.
   HistoryItem* HistoryItemForTab(const TabRestoreService::Tab& entry);
 
@@ skipping 35 matching lines @@
 
   // For TabRestoreServiceObserver
   virtual void TabRestoreServiceChanged(TabRestoreService* service);
   virtual void TabRestoreServiceDestroyed(TabRestoreService* service);
 
   CHROMEGTK_CALLBACK_0(GlobalHistoryMenu, void, OnRecentlyClosedItemActivated);
 
   Browser* browser_;
   Profile* profile_;
 
+  history::TopSites* top_sites_;
+  CancelableRequestConsumer top_sites_consumer_;
+
   NotificationRegistrar registrar_;
 
   GdkPixbuf* default_favicon_;
 
   // The history menu. We keep this since we need to rewrite parts of it
   // periodically.
   GtkWidget* history_menu_;
 
   TabRestoreService* tab_restore_service_;  // weak
 
   // A mapping from GtkMenuItems to HistoryItems that maintain data.
   MenuItemToHistoryMap menu_item_history_map_;
 
   // Maps HistoryItems to favicon request Handles.
   CancelableRequestConsumerTSimple<HistoryItem*> favicon_consumer_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_GLOBAL_HISTORY_MENU_H_