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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_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
      6 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "chrome/browser/ui/views/infobars/infobar_view.h"
     10 #include "ui/views/controls/button/menu_button_listener.h"
     11 
     12 class Browser;
     13 class ExtensionInfoBarDelegate;
     14 
     15 namespace views {
     16 class ImageView;
     17 class MenuButton;
     18 }
     19 
     20 class ExtensionInfoBar : public InfoBarView,
     21                          public views::MenuButtonListener {
     22  public:
     23   ExtensionInfoBar(scoped_ptr<ExtensionInfoBarDelegate> delegate,
     24                    Browser* browser);
     25 
     26  private:
     27   virtual ~ExtensionInfoBar();
     28 
     29   // InfoBarView:
     30   virtual void Layout() OVERRIDE;
     31   virtual void ViewHierarchyChanged(
     32       const ViewHierarchyChangedDetails& details) OVERRIDE;
     33   virtual int ContentMinimumWidth() const OVERRIDE;
     34 
     35   // views::MenuButtonListener:
     36   virtual void OnMenuButtonClicked(views::View* source,
     37                                    const gfx::Point& point) OVERRIDE;
     38 
     39   void OnImageLoaded(const gfx::Image& image);
     40   ExtensionInfoBarDelegate* GetDelegate();
     41   const ExtensionInfoBarDelegate* GetDelegate() const;
     42 
     43   // Returns the width of all content other than the extension view.  Layout()
     44   // uses this to determine how much space the extension view can take.
     45   int NonExtensionViewWidth() const;
     46 
     47   Browser* browser_;
     48 
     49   // The infobar icon used for the extension infobar. The icon can be either a
     50   // plain image (in which case |icon_as_image_| is set) or a dropdown menu (in
     51   // which case |icon_as_menu_| is set).
     52   // The icon is a dropdown menu if the extension showing the infobar shows
     53   // configure context menus.
     54   views::View* infobar_icon_;
     55 
     56   // The dropdown menu for accessing the contextual extension actions.
     57   // It is non-NULL if the |infobar_icon_| is a menu button and in that case
     58   // |icon_as_menu_ == infobar_icon_|.
     59   views::MenuButton* icon_as_menu_;
     60 
     61   // The image view for the icon.
     62   // It is non-NULL if |infobar_icon_| is an image and in that case
     63   // |icon_as_image_ == infobar_icon_|.
     64   views::ImageView* icon_as_image_;
     65 
     66   base::WeakPtrFactory<ExtensionInfoBar> weak_ptr_factory_;
     67 
     68   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBar);
     69 };
     70 
     71 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
     72