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      1 // Copyright (c) 2011 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_TRANSLATE_INFOBAR_BASE_H_
      6 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "chrome/browser/ui/views/infobars/infobar_background.h"
     10 #include "chrome/browser/ui/views/infobars/infobar_view.h"
     11 
     12 class TranslateInfoBarDelegate;
     13 
     14 namespace views {
     15 class MenuButton;
     16 }
     17 
     18 // This class contains some of the base functionality that translate infobars
     19 // use.
     20 class TranslateInfoBarBase : public InfoBarView {
     21  public:
     22   // Sets the text of the provided language menu button.
     23   void UpdateLanguageButtonText(views::MenuButton* button,
     24                                 const string16& text);
     25 
     26  protected:
     27   TranslateInfoBarBase(InfoBarService* owner,
     28                        TranslateInfoBarDelegate* delegate);
     29   virtual ~TranslateInfoBarBase();
     30 
     31   // InfoBarView:
     32   virtual void ViewHierarchyChanged(
     33       const ViewHierarchyChangedDetails& details) OVERRIDE;
     34 
     35   // Convenience to retrieve the TranslateInfoBarDelegate for this infobar.
     36   TranslateInfoBarDelegate* GetDelegate();
     37 
     38   static const int kButtonInLabelSpacing;
     39 
     40  private:
     41   // InfoBarView:
     42   virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
     43   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
     44 
     45   // Returns the background that should be displayed when not animating.
     46   const views::Background& GetBackground();
     47 
     48   // Paints |background| to |canvas| with the opacity level based on
     49   // |animation_value|.
     50   void FadeBackground(gfx::Canvas* canvas,
     51                       double animation_value,
     52                       const views::Background& background);
     53 
     54   InfoBarBackground error_background_;
     55   scoped_ptr<ui::SlideAnimation> background_color_animation_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
     58 };
     59 
     60 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_
     61