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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/pref_member.h"
#include "chrome/browser/views/options/options_page_view.h"
#include "views/controls/button/native_button.h"
#include "views/controls/label.h"
#include "views/controls/table/table_view2.h"
#include "views/controls/table/table_view_observer.h"
#include "views/window/dialog_delegate.h"
class Profile;
namespace chromeos {
class InputMethodButton;
class InputMethodCheckbox;
class PreferredLanguageTableModel;
// A dialog box for showing a password textfield.
class LanguageConfigView : public TableModel,
public views::ButtonListener,
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 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();
// Invoked when a language is added from the add button.
void OnAddLanguage(const std::string& language_code);
// OptionsPageView overrides.
virtual void InitControlLayout();
// NotificationObserver overrides.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Gets the list of supported language codes like "en" and "ja".
void GetSupportedLangageCodes(
std::vector<std::string>* out_language_codes) const;
// Rewrites the language name and returns the modified version if
// necessary. Otherwise, returns the given language name as is.
// In particular, this rewrites the special language name used for input
// methods that don't fall under any other languages.
static std::wstring MaybeRewriteLanguageName(
const std::wstring& language_name);
private:
// Initializes the input method config view.
void InitInputMethodConfigViewMap();
// Initialize id_to_{code,display_name}_map_ member variables.
void InitLanguageIdMaps();
// Creates the contents on the left, including the language table.
views::View* CreateContentsOnLeft();
// Creates the per-language config view.
views::View* CreatePerLanguageConfigView(const std::string& language_code);
// Deactivates the input languages for the given language code.
void DeactivateInputLanguagesFor(const std::string& language_code);
// Creates the input method config view based on the given |language_id|.
// Returns NULL if the config view is not found.
views::DialogDelegate* CreateInputMethodConfigureView(
const std::string& language_id);
// Activates or deactivates an IME whose ID is |language_id|.
void SetLanguageActivated(const std::string& language_id, bool activated);
// Returns true if an IME of |language_id| is activated.
bool LanguageIsActivated(const std::string& language_id);
// Gets the list of active IME IDs like "pinyin" and "m17n:ar:kbd".
void GetActiveLanguageIDs(std::vector<std::string>* out_language_ids);
// Gets the list of supported IME IDs like "pinyin" and "m17n:ar:kbd".
void GetSupportedLangageIDs(std::vector<std::string>* out_language_ids) const;
// Converts a language ID to a language code of the IME. Returns "" when
// |language_id| is unknown.
// Example: "hangul" => "ko"
std::string GetLanguageCodeFromID(const std::string& language_id) const;
// Converts a language ID to a display name of the IME. Returns "" when
// |language_id| is unknown.
// Examples: "pinyin" => "Pinyin"
// "m17n:ar:kbd" => "kbd (m17n)"
std::string GetDisplayNameFromID(const std::string& language_id) const;
// Callback for |preload_engines_| pref updates. Initializes the preferred
// language codes based on the updated pref value.
void NotifyPrefChanged();
// The codes of the preferred languages.
std::vector<std::string> preferred_language_codes_;
// The map of the input language 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 buttons for configuring input methods for a language.
std::set<InputMethodButton*> input_method_buttons_;
// 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* add_language_button_;
views::NativeButton* remove_language_button_;
views::TableView2* preferred_language_table_;
StringPrefMember preload_engines_;
std::map<std::string, std::string> id_to_language_code_map_;
std::map<std::string, std::string> id_to_display_name_map_;
DISALLOW_COPY_AND_ASSIGN(LanguageConfigView);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_
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