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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_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_
#define CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_
#include <map>
#include <set>
#include <string>
#include <vector>
#include "app/table_model.h"
#include "chrome/browser/chromeos/options/language_config_model.h"
#include "chrome/browser/views/options/options_page_view.h"
#include "views/controls/button/native_button.h"
#include "views/controls/combobox/combobox.h"
#include "views/controls/label.h"
#include "views/controls/table/table_view2.h"
#include "views/controls/table/table_view_observer.h"
#include "views/grid_layout.h"
#include "views/window/dialog_delegate.h"
namespace chromeos {
class InputMethodButton;
class InputMethodCheckbox;
class PreferredLanguageTableModel;
// A dialog box for configuring the languages.
class LanguageConfigView : public TableModel,
public views::ButtonListener,
public views::Combobox::Listener,
public views::DialogDelegate,
public views::TableViewObserver,
public OptionsPageView {
public:
explicit LanguageConfigView(Profile* profile);
virtual ~LanguageConfigView();
// views::ButtonListener overrides.
virtual void ButtonPressed(views::Button* sender,
const views::Event& event);
// views::DialogDelegate overrides.
virtual bool IsModal() const { return true; }
virtual views::View* GetContentsView() { return this; }
virtual std::wstring GetDialogButtonLabel(
MessageBoxFlags::DialogButton button) const;
virtual int GetDialogButtons() const {
return MessageBoxFlags::DIALOGBUTTON_OK;
}
virtual std::wstring GetWindowTitle() const;
// views::View overrides:
virtual void Layout();
virtual gfx::Size GetPreferredSize();
// views::TableViewObserver overrides:
virtual void OnSelectionChanged();
// TableModel overrides:
// To workaround crbug.com/38266, implement TreeModel as part of
// LanguageConfigView class, rather than a separate class.
// TODO(satorux): Implement TableModel as a separate class once the bug
// is fixed.
virtual std::wstring GetText(int row, int column_id);
virtual void SetObserver(TableModelObserver* observer);
virtual int RowCount();
// views::Combobox::Listener overrides:
virtual void ItemChanged(views::Combobox* combobox,
int prev_index,
int new_index);
// OptionsPageView overrides.
virtual void InitControlLayout();
// Shows the language config dialog in a new window.
static void Show(Profile* profile, gfx::NativeWindow parent);
private:
// Initializes the input method config view.
void InitInputMethodConfigViewMap();
// Invoked when a language is added by the add combobox.
void OnAddLanguage(const std::string& language_code);
// Invoked when a language is removed by the remove button.
void OnRemoveLanguage();
// Resets the add language combobox to the initial "Add language" state.
void ResetAddLanguageCombobox();
// Creates the contents on the left, including the language table.
views::View* CreateContentsOnLeft();
// Creates the contents on the bottom, including the add language button.
views::View* CreateContentsOnBottom();
// Creates the per-language config view.
views::View* CreatePerLanguageConfigView(const std::string& language_code);
// Adds the UI language section in the per-language config view.
void AddUiLanguageSection(const std::string& language_code,
views::GridLayout* layout);
// Adds the input method section in the per-language config view.
void AddInputMethodSection(const std::string& language_code,
views::GridLayout* layout);
// Creates the input method config view based on the given |input_method_id|.
// Returns NULL if the config view is not found.
views::DialogDelegate* CreateInputMethodConfigureView(
const std::string& input_method_id);
// If there is only one input method left, disable the selected method.
// This is done to prevent the user from disabling all input methods.
void MaybeDisableLastCheckbox();
// Enable all input method checkboxes.
void EnableAllCheckboxes();
// The model of the view.
LanguageConfigModel model_;
// The map of the input method id to a pointer to the function for
// creating the input method configuration dialog.
typedef views::DialogDelegate* (*CreateDialogDelegateFunction)(Profile*);
typedef std::map<std::string,
CreateDialogDelegateFunction> InputMethodConfigViewMap;
InputMethodConfigViewMap input_method_config_view_map_;
// The checkboxes for activating input methods for a language.
std::set<InputMethodCheckbox*> input_method_checkboxes_;
views::View* root_container_;
views::View* right_container_;
views::NativeButton* remove_language_button_;
views::TableView2* preferred_language_table_;
scoped_ptr<AddLanguageComboboxModel> add_language_combobox_model_;
views::Combobox* add_language_combobox_;
DISALLOW_COPY_AND_ASSIGN(LanguageConfigView);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_
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