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// Copyright (c) 2010 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_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_
#define CHROME_BROWSER_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_
#pragma once
#include "chrome/browser/translate/translate_infobar_view.h"
#include "chrome/browser/views/infobars/infobars.h"
class TranslateInfoBarDelegate;
namespace views {
class MenuButton;
class ViewMenuDelegate;
}
// This class contains some of the base functionality that translate infobars
// use.
class TranslateInfoBarBase : public TranslateInfoBarView,
public InfoBar {
public:
explicit TranslateInfoBarBase(TranslateInfoBarDelegate* delegate);
virtual ~TranslateInfoBarBase();
// TranslateInfoBarView implementation:
virtual void OriginalLanguageChanged() {}
virtual void TargetLanguageChanged() {}
// Overridden from views::View:
virtual void Layout();
virtual void PaintBackground(gfx::Canvas* canvas);
protected:
// Overridden from AnimationDelegate:
virtual void AnimationProgressed(const Animation* animation);
// Creates a label with the appropriate font and color for the translate
// infobars.
views::Label* CreateLabel(const string16& text);
// Creates a menu-button with a custom appearance for the translate infobars.
views::MenuButton* CreateMenuButton(const string16& text,
bool normal_has_border,
views::ViewMenuDelegate* menu_delegate);
// Returns the location at which the menu triggered by |menu_button| should be
// positioned.
gfx::Point DetermineMenuPosition(views::MenuButton* menu_button);
// Convenience to retrieve the TranslateInfoBarDelegate for this infobar.
TranslateInfoBarDelegate* GetDelegate() const;
// The translate icon.
views::ImageView* icon_;
InfoBarBackground normal_background_;
InfoBarBackground error_background_;
scoped_ptr<SlideAnimation> background_color_animation_;
private:
// Returns the background that should be displayed when not animating.
const InfoBarBackground& GetBackground() const;
// Paints |background| to |canvas| with the opacity level based on
// |animation_value|.
void FadeBackground(gfx::Canvas* canvas,
double animation_value,
const InfoBarBackground& background);
DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
};
#endif // CHROME_BROWSER_VIEWS_INFOBARS_TRANSLATE_INFOBAR_BASE_H_
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