chrome/browser/ui/views/infobars/translate_infobar_base.h

   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 base::string16& text);
  25
  26  protected:
  27   explicit TranslateInfoBarBase(scoped_ptr<TranslateInfoBarDelegate> delegate);
  28   virtual ~TranslateInfoBarBase();
  29
  30   // InfoBarView:
  31   virtual void ViewHierarchyChanged(
  32       const ViewHierarchyChangedDetails& details) OVERRIDE;
  33
  34   // Convenience to retrieve the TranslateInfoBarDelegate for this infobar.
  35   TranslateInfoBarDelegate* GetDelegate();
  36
  37   static const int kButtonInLabelSpacing;
  38
  39  private:
  40   // InfoBarView:
  41   virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
  42   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
  43
  44   // Returns the background that should be displayed when not animating.
  45   const views::Background& GetBackground();
  46
  47   // Paints |background| to |canvas| with the opacity level based on
  48   // |animation_value|.
  49   void FadeBackground(gfx::Canvas* canvas,
  50                       double animation_value,
  51                       const views::Background& background);
  52
  53   InfoBarBackground error_background_;
  54   scoped_ptr<gfx::SlideAnimation> background_color_animation_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
  57 };
  58
  59 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_