Infobar system refactor.

chrome/browser/ui/gtk/infobars/extension_infobar_gtk.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_INFOBARS_EXTENSION_INFOBAR_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_EXTENSION_INFOBAR_GTK_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
 #include "chrome/browser/ui/gtk/infobars/infobar_gtk.h"
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 #include "ui/gfx/gtk_util.h"
 
 class ExtensionContextMenuModel;
 class ExtensionViewGtk;
 class MenuGtk;
 
-class ExtensionInfoBarGtk : public InfoBarGtk,
-                            public MenuGtk::Delegate,
-                            public ExtensionInfoBarDelegate::DelegateObserver {
+class ExtensionInfoBarGtk : public InfoBarGtk, public MenuGtk::Delegate {
  public:
-  ExtensionInfoBarGtk(InfoBarService* owner,
-                      ExtensionInfoBarDelegate* delegate);
+  explicit ExtensionInfoBarGtk(scoped_ptr<ExtensionInfoBarDelegate> delegate);
 
  private:
   virtual ~ExtensionInfoBarGtk();
 
   // InfoBarGtk:
+  virtual void PlatformSpecificSetOwner() OVERRIDE;
   virtual void PlatformSpecificHide(bool animate) OVERRIDE;
   virtual void GetTopColor(InfoBarDelegate::Type type,
                            double* r, double* g, double* b) OVERRIDE;
   virtual void GetBottomColor(InfoBarDelegate::Type type,
                               double* r, double* g, double* b) OVERRIDE;
-  virtual void InitWidgets() OVERRIDE;
 
   // MenuGtk::Delegate:
   virtual void StoppedShowing() OVERRIDE;
 
-  // ExtensionInfoBarDelegate::DelegateObserver:
-  virtual void OnDelegateDeleted() OVERRIDE;
-
   void OnImageLoaded(const gfx::Image& image);
 
   ExtensionInfoBarDelegate* GetDelegate();
 
   // Looks at the window the infobar is in and gets the browser. Can return
   // NULL if we aren't attached.
   Browser* GetBrowser();
 
   // Returns the context menu model for this extension. Can be NULL if
   // extension context menus are disabled.
   ExtensionContextMenuModel* BuildMenuModel();
 
   CHROMEGTK_CALLBACK_1(ExtensionInfoBarGtk, void, OnSizeAllocate,
                        GtkAllocation*);
 
   CHROMEGTK_CALLBACK_1(ExtensionInfoBarGtk, gboolean, OnButtonPress,
                        GdkEventButton*);
 
   CHROMEGTK_CALLBACK_1(ExtensionInfoBarGtk, gboolean, OnExpose,
                        GdkEventExpose*);
 
-  // TODO(pkasting): This shadows InfoBarView::delegate_.  Get rid of this once
-  // InfoBars own their delegates (and thus we don't need the DelegateObserver
-  // functionality).  For now, almost everyone should use GetDelegate() instead.
-  InfoBarDelegate* delegate_;
-
   ExtensionViewGtk* view_;
 
   // The button that activates the extension popup menu. Non-NULL if the
   // extension shows configure context menus and a dropdown menu should be used
   // in place of the icon. If set, parents |icon_|.
   GtkWidget* button_;
 
   // The GtkImage that shows the extension icon. If a dropdown menu should be
   // used, it's put inside |button_|, otherwise it's put directly in the hbox
   // containing the infobar element. Composed in OnImageLoaded().
   GtkWidget* icon_;
 
   // An alignment with one pixel of bottom padding. This is set so the |view_|
   // doesn't overlap the bottom separator. This also makes it more convenient
   // to reattach the view since the alignment_ will have the |hbox_| packing
   // child properties. Reparenting becomes easier too.
   GtkWidget* alignment_;
 
   // The model for the current menu displayed.
   scoped_refptr<ExtensionContextMenuModel> context_menu_model_;
 
   base::WeakPtrFactory<ExtensionInfoBarGtk> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBarGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_EXTENSION_INFOBAR_GTK_H_