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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_
      6 #define CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 #include "ui/base/gtk/gtk_signal.h"
     13 
     14 typedef struct _GtkWidget GtkWidget;
     15 class GtkThemeService;
     16 class Profile;
     17 
     18 namespace chrome {
     19 class BookmarkBarInstructionsDelegate;
     20 }
     21 
     22 class BookmarkBarInstructionsGtk : public content::NotificationObserver {
     23  public:
     24   BookmarkBarInstructionsGtk(chrome::BookmarkBarInstructionsDelegate* delegate,
     25                              Profile* profile);
     26 
     27   // Get the native widget.
     28   GtkWidget* widget() const { return instructions_hbox_; }
     29 
     30  private:
     31   // Overridden from content::NotificationObserver:
     32   virtual void Observe(int type,
     33                        const content::NotificationSource& source,
     34                        const content::NotificationDetails& details) OVERRIDE;
     35 
     36   CHROMEGTK_CALLBACK_0(BookmarkBarInstructionsGtk, void, OnButtonClick);
     37 
     38   // Sets the correct color for |instructions_label_| and |instructions_link_|.
     39   void UpdateColors();
     40 
     41   chrome::BookmarkBarInstructionsDelegate* delegate_;
     42 
     43   Profile* profile_;
     44 
     45   GtkThemeService* theme_service_;
     46 
     47   // HBox that holds the the label and link of bookmark bar import promotion.
     48   GtkWidget* instructions_hbox_;
     49   GtkWidget* instructions_label_;
     50   GtkWidget* instructions_link_;
     51 
     52   content::NotificationRegistrar registrar_;
     53 
     54   DISALLOW_COPY_AND_ASSIGN(BookmarkBarInstructionsGtk);
     55 };
     56 
     57 #endif  // CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_
     58