GTK: Clean up the gtk extension infobar implementation.

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_
 #pragma once
 
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
 #include "chrome/browser/extensions/image_loading_tracker.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/base/gtk/gtk_signal_registrar.h"
 #include "ui/gfx/gtk_util.h"
 
+class ExtensionContextMenuModel;
 class ExtensionInfobarDelegate;
 class ExtensionResource;
 class ExtensionViewGtk;
+class MenuGtk;
 
 class ExtensionInfoBarGtk : public InfoBarGtk,
-                            public ImageLoadingTracker::Observer {
+                            public ImageLoadingTracker::Observer,
+                            public MenuGtk::Delegate {
  public:
   ExtensionInfoBarGtk(TabContentsWrapper* owner,
                       ExtensionInfoBarDelegate* delegate);
   virtual ~ExtensionInfoBarGtk();
 
+  // Overridden from InfoBar (through InfoBarGtk):
+  virtual void PlatformSpecificHide(bool animate);
+
+  // Overridden from InfoBarGtk:
+  virtual void GetTopColor(InfoBarDelegate::Type type,
+                           double* r, double* g, double *b);
+  virtual void GetBottomColor(InfoBarDelegate::Type type,
+                              double* r, double* g, double *b);
+
   // Overridden from ImageLoadingTracker::Observer:
   virtual void OnImageLoaded(
       SkBitmap* image, const ExtensionResource& resource, int index);
 
+  // Overridden from MenuGtk::Delegate:
+  virtual void StoppedShowing();
+
  private:
   // Build the widgets of the Infobar.
   void BuildWidgets();
 
+  // 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 for this extension. Can be NULL if extension
+  // context menus are disabled.
+  MenuGtk* BuildContextMenu();
+
   CHROMEGTK_CALLBACK_1(ExtensionInfoBarGtk, void, OnSizeAllocate,
                        GtkAllocation*);
 
+  CHROMEGTK_CALLBACK_1(ExtensionInfoBarGtk, gboolean, OnButtonPress,
+                       GdkEventButton*);
+
   ImageLoadingTracker tracker_;
 
   ExtensionInfoBarDelegate* delegate_;
 
   ExtensionViewGtk* view_;
 
+  // The button that activates the extension popup menu. Parent of |icon_|.
+  GtkWidget* button_;
+
+  // The GtkImage that is inside of |button_|, 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_;
+
+  // We connect to signals on a gtk object that we only hold a weak reference
+  // to which outlives us.
+  ui::GtkSignalRegistrar signals_;
+
+  // The context menu view and model for this extension action.

[Evan Stade, 2011/08/31 20:00:12]

I don't think it's technically a context menu unless it's triggered by right
click (which is what I would assume by reading this, but it's not?)

+  scoped_ptr<MenuGtk> context_menu_;
+  scoped_refptr<ExtensionContextMenuModel> context_menu_model_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBarGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_EXTENSION_INFOBAR_GTK_H_