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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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