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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_ | |
| 6 #define CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 #include <set> | |
| 11 #include <string> | |
| 12 | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "chrome/browser/chromeos/options/language_config_model.h" | |
| 15 #include "chrome/browser/ui/views/options/options_page_view.h" | |
| 16 #include "ui/base/models/table_model.h" | |
| 17 #include "views/controls/button/native_button.h" | |
| 18 #include "views/controls/combobox/combobox.h" | |
| 19 #include "views/controls/label.h" | |
| 20 #include "views/controls/table/table_view2.h" | |
| 21 #include "views/controls/table/table_view_observer.h" | |
| 22 #include "views/grid_layout.h" | |
| 23 #include "views/window/dialog_delegate.h" | |
| 24 | |
| 25 namespace chromeos { | |
| 26 | |
| 27 class InputMethodButton; | |
| 28 class InputMethodCheckbox; | |
| 29 class PreferredLanguageTableModel; | |
| 30 | |
| 31 // A dialog box for configuring the languages. | |
| 32 class LanguageConfigView : public ui::TableModel, | |
| 33 public views::ButtonListener, | |
| 34 public views::Combobox::Listener, | |
| 35 public views::DialogDelegate, | |
| 36 public views::TableViewObserver, | |
| 37 public OptionsPageView { | |
| 38 public: | |
| 39 explicit LanguageConfigView(Profile* profile); | |
| 40 virtual ~LanguageConfigView(); | |
| 41 | |
| 42 // views::ButtonListener overrides. | |
| 43 virtual void ButtonPressed(views::Button* sender, | |
| 44 const views::Event& event); | |
| 45 | |
| 46 // views::DialogDelegate overrides. | |
| 47 virtual bool IsModal() const { return true; } | |
| 48 virtual views::View* GetContentsView() { return this; } | |
| 49 virtual std::wstring GetDialogButtonLabel( | |
| 50 MessageBoxFlags::DialogButton button) const; | |
| 51 virtual int GetDialogButtons() const { | |
| 52 return MessageBoxFlags::DIALOGBUTTON_OK; | |
| 53 } | |
| 54 virtual std::wstring GetWindowTitle() const; | |
| 55 | |
| 56 // views::View overrides: | |
| 57 virtual void Layout(); | |
| 58 virtual gfx::Size GetPreferredSize(); | |
| 59 | |
| 60 // views::TableViewObserver overrides: | |
| 61 virtual void OnSelectionChanged(); | |
| 62 | |
| 63 // TableModel overrides: | |
| 64 // To workaround crbug.com/38266, implement TreeModel as part of | |
| 65 // LanguageConfigView class, rather than a separate class. | |
| 66 // TODO(satorux): Implement TableModel as a separate class once the bug | |
| 67 // is fixed. | |
| 68 virtual string16 GetText(int row, int column_id) OVERRIDE; | |
| 69 virtual void SetObserver(ui::TableModelObserver* observer) OVERRIDE; | |
| 70 virtual int RowCount() OVERRIDE; | |
| 71 | |
| 72 // views::Combobox::Listener overrides: | |
| 73 virtual void ItemChanged(views::Combobox* combobox, | |
| 74 int prev_index, | |
| 75 int new_index); | |
| 76 | |
| 77 // OptionsPageView overrides. | |
| 78 virtual void InitControlLayout(); | |
| 79 | |
| 80 // Shows the language config dialog in a new window. | |
| 81 static void Show(Profile* profile, gfx::NativeWindow parent); | |
| 82 | |
| 83 private: | |
| 84 // Initializes the input method config view. | |
| 85 void InitInputMethodConfigViewMap(); | |
| 86 | |
| 87 // Invoked when a language is added by the add combobox. | |
| 88 void OnAddLanguage(const std::string& language_code); | |
| 89 | |
| 90 // Invoked when a language is removed by the remove button. | |
| 91 void OnRemoveLanguage(); | |
| 92 | |
| 93 // Resets the add language combobox to the initial "Add language" state. | |
| 94 void ResetAddLanguageCombobox(); | |
| 95 | |
| 96 // Creates the contents on the left, including the language table. | |
| 97 views::View* CreateContentsOnLeft(); | |
| 98 | |
| 99 // Creates the contents on the bottom, including the add language button. | |
| 100 views::View* CreateContentsOnBottom(); | |
| 101 | |
| 102 // Creates the per-language config view. | |
| 103 views::View* CreatePerLanguageConfigView(const std::string& language_code); | |
| 104 | |
| 105 // Adds the UI language section in the per-language config view. | |
| 106 void AddUiLanguageSection(const std::string& language_code, | |
| 107 views::GridLayout* layout); | |
| 108 | |
| 109 // Adds the input method section in the per-language config view. | |
| 110 void AddInputMethodSection(const std::string& language_code, | |
| 111 views::GridLayout* layout); | |
| 112 | |
| 113 // Creates the input method config view based on the given |input_method_id|. | |
| 114 // Returns NULL if the config view is not found. | |
| 115 views::DialogDelegate* CreateInputMethodConfigureView( | |
| 116 const std::string& input_method_id); | |
| 117 | |
| 118 // If there is only one input method left, disable the selected method. | |
| 119 // This is done to prevent the user from disabling all input methods. | |
| 120 void MaybeDisableLastCheckbox(); | |
| 121 | |
| 122 // Enable all input method checkboxes. | |
| 123 void EnableAllCheckboxes(); | |
| 124 | |
| 125 // The model of the view. | |
| 126 LanguageConfigModel model_; | |
| 127 | |
| 128 // The map of the input method id to a pointer to the function for | |
| 129 // creating the input method configuration dialog. | |
| 130 typedef views::DialogDelegate* (*CreateDialogDelegateFunction)(Profile*); | |
| 131 typedef std::map<std::string, | |
| 132 CreateDialogDelegateFunction> InputMethodConfigViewMap; | |
| 133 InputMethodConfigViewMap input_method_config_view_map_; | |
| 134 | |
| 135 // The checkboxes for activating input methods for a language. | |
| 136 std::set<InputMethodCheckbox*> input_method_checkboxes_; | |
| 137 | |
| 138 views::View* root_container_; | |
| 139 views::View* right_container_; | |
| 140 views::NativeButton* remove_language_button_; | |
| 141 views::TableView2* preferred_language_table_; | |
| 142 scoped_ptr<AddLanguageComboboxModel> add_language_combobox_model_; | |
| 143 views::Combobox* add_language_combobox_; | |
| 144 | |
| 145 DISALLOW_COPY_AND_ASSIGN(LanguageConfigView); | |
| 146 }; | |
| 147 | |
| 148 } // namespace chromeos | |
| 149 | |
| 150 #endif // CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_VIEW_H_ | |
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