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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_INFOBARS_H_
#define CHROME_BROWSER_GTK_TRANSLATE_INFOBARS_H_
#include <gtk/gtk.h>
#include "app/gtk_signal.h"
#include "app/menus/simple_menu_model.h"
#include "chrome/browser/gtk/infobar_gtk.h"
#include "chrome/browser/gtk/menu_gtk.h"
#include "chrome/browser/translate/translate_infobars_delegates.h"
#include "chrome/common/notification_registrar.h"
class SlideAnimation;
class OptionsMenuModel;
// InfoBar that asks user if they want to translate a page that isn't in the
// user's language to their language. Bar changes during and after translation.
class TranslateInfoBar : public InfoBar,
public AnimationDelegate,
public menus::SimpleMenuModel::Delegate,
public MenuGtk::Delegate {
public:
explicit TranslateInfoBar(TranslateInfoBarDelegate* delegate);
virtual ~TranslateInfoBar();
// 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 NotificationObserver (through InfoBar):
virtual void Observe(NotificationType type,
const NotificationSource& source, const NotificationDetails& details);
// Overridden from AnimationDelegate:
virtual void AnimationProgressed(const Animation* animation);
// Overridden for both menus::SimpleMenuModel::Delegate and MenuGtk::Delegate:
virtual bool IsCommandIdChecked(int command_id) const;
virtual bool IsCommandIdEnabled(int command_id) const;
// Overridden from menus::SimpleMenuModel::Delegate:
virtual bool GetAcceleratorForCommandId(int command_id,
menus::Accelerator* accelerator);
virtual void ExecuteCommand(int command_id);
// Overridden from MenuGtk::Delegate:
virtual void ExecuteCommandById(int command_id) {
ExecuteCommand(command_id);
}
private:
// Builds all the widgets and sets the initial view of the dialog.
void BuildWidgets();
// Changes the layout of the info bar, displaying the correct widgets in the
// correct order for |new_state|.
void UpdateState(TranslateInfoBarDelegate::TranslateState new_state,
bool new_translation_pending, TranslateErrors::Type error_type);
// Sets the text in the three labels for the current state.
void SetLabels();
// Casts delegate() to the only possible subclass.
TranslateInfoBarDelegate* GetDelegate() const;
// Called after OnOriginalModified or OnTargetModified.
void LanguageModified();
CHROMEGTK_CALLBACK_0(TranslateInfoBar, void, OnOriginalModified);
CHROMEGTK_CALLBACK_0(TranslateInfoBar, void, OnTargetModified);
CHROMEGTK_CALLBACK_0(TranslateInfoBar, void, OnAcceptPressed);
CHROMEGTK_CALLBACK_0(TranslateInfoBar, void, OnDenyPressed);
CHROMEGTK_CALLBACK_0(TranslateInfoBar, void, OnRevertPressed);
CHROMEGTK_CALLBACK_0(TranslateInfoBar, 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
// ERROR_TYPE.
double background_error_percent_;
// Infobar keeps track of the state it is displaying, which should match that
// in the TranslateInfoBarDelegate. UI needs to keep track separately because
// infobar may receive PAGE_TRANSLATED notifications before delegate does, in
// which case, delegate's state is not updated and hence can't be used to
// update display. After the notification is sent out to all observers, both
// infobar and delegate would end up with the same state.
TranslateInfoBarDelegate::TranslateState state_;
bool translation_pending_;
TranslateErrors::Type error_type_;
GtkWidget* translate_box_;
GtkWidget* label_1_;
GtkWidget* label_2_;
GtkWidget* label_3_;
GtkWidget* translating_label_;
GtkWidget* error_label_;
GtkWidget* accept_button_;
GtkWidget* accept_button_vbox_;
GtkWidget* deny_button_;
GtkWidget* deny_button_vbox_;
GtkWidget* retry_button_;
GtkWidget* retry_button_vbox_;
GtkWidget* revert_button_;
GtkWidget* revert_button_vbox_;
GtkWidget* original_language_combobox_;
GtkWidget* original_language_combobox_vbox_;
GtkWidget* target_language_combobox_;
GtkWidget* target_language_combobox_vbox_;
GtkWidget* options_menu_button_;
scoped_ptr<MenuGtk> options_menu_menu_;
scoped_ptr<OptionsMenuModel> options_menu_model_;
// This is true if language placeholders in label have been swapped.
bool swapped_language_placeholders_;
NotificationRegistrar notification_registrar_;
// Changes the color of the background from blue to red and back.
scoped_ptr<SlideAnimation> error_animation_;
DISALLOW_COPY_AND_ASSIGN(TranslateInfoBar);
};
#endif // CHROME_BROWSER_GTK_TRANSLATE_INFOBARS_H_
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