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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_GTK_TRANSLATE_TRANSLATE_INFOBAR_BASE_GTK_H_
#define CHROME_BROWSER_GTK_TRANSLATE_TRANSLATE_INFOBAR_BASE_GTK_H_
#pragma once
#include "app/animation_delegate.h"
#include "chrome/browser/translate/translate_infobar_view.h"
#include "chrome/browser/gtk/infobar_gtk.h"
class MenuGtk;
class OptionsMenuModel;
class TranslateInfoBarDelegate;
// This class contains some of the base functionality that translate infobars
// use.
class TranslateInfoBarBase : public TranslateInfoBarView,
public InfoBar,
public AnimationDelegate {
public:
explicit TranslateInfoBarBase(TranslateInfoBarDelegate* delegate);
virtual ~TranslateInfoBarBase();
// Initializes the infobar widgets. Should be called after the object has been
// created.
virtual void Init();
// Overridden from InfoBar:
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 TranslateInfoBarView:
virtual void OriginalLanguageChanged() {}
virtual void TargetLanguageChanged() {}
// Overridden from AnimationDelegate:
virtual void AnimationProgressed(const Animation* animation);
protected:
// Sub-classes that want to have the options menu button showing sould
// override and return true.
virtual bool ShowOptionsMenuButton() const { return false; }
// Creates a label with the appropriate font and color for the translate
// infobars.
GtkWidget* CreateLabel(const std::string& text);
// Creates a combobox that displays the languages currently available.
// |selected_language| is the language index (as used in the
// TranslateInfoDelegate) that should be selected initially.
// |exclude_language| is the language index of the language that should not be
// included in the list (-1 means no language excluded).
GtkWidget* CreateLanguageCombobox(int selected_language,
int exclude_language);
// Given an above-constructed combobox, returns the currently selected
// language id.
static int GetLanguageComboboxActiveId(GtkComboBox* combo);
// Convenience to retrieve the TranslateInfoBarDelegate for this infobar.
TranslateInfoBarDelegate* GetDelegate() const;
private:
// Builds a button with an arrow in it to emulate the menu-button style from
// the windows version.
static GtkWidget* BuildOptionsMenuButton();
// The menu displayed when the Options button is pressed.
scoped_ptr<OptionsMenuModel> options_menu_model_;
scoped_ptr<MenuGtk> options_menu_menu_;
CHROMEGTK_CALLBACK_0(TranslateInfoBarBase, void, OnOptionsClicked);
// A percentage to average the normal page action background with the error
// background. When 0, the infobar background should be pure PAGE_ACTION_TYPE.
// When 1, the infobar background should be pure WARNING_TYPE.
double background_error_percent_;
// Changes the color of the background from normal to error color and back.
scoped_ptr<SlideAnimation> background_color_animation_;
DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
};
#endif // CHROME_BROWSER_GTK_TRANSLATE_TRANSLATE_INFOBAR_BASE_GTK_H_
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