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Side by Side Diff: ui/views/controls/menu/menu.h

Issue 117983002: Prefix string16 with base:: in ui/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: merge Created 7 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_VIEWS_CONTROLS_MENU_MENU_H_ 5 #ifndef UI_VIEWS_CONTROLS_MENU_MENU_H_
6 #define UI_VIEWS_CONTROLS_MENU_MENU_H_ 6 #define UI_VIEWS_CONTROLS_MENU_MENU_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
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38 virtual ~Delegate() {} 38 virtual ~Delegate() {}
39 39
40 // Whether or not an item should be shown as checked. 40 // Whether or not an item should be shown as checked.
41 virtual bool IsItemChecked(int id) const; 41 virtual bool IsItemChecked(int id) const;
42 42
43 // Whether or not an item should be shown as the default (using bold). 43 // Whether or not an item should be shown as the default (using bold).
44 // There can only be one default menu item. 44 // There can only be one default menu item.
45 virtual bool IsItemDefault(int id) const; 45 virtual bool IsItemDefault(int id) const;
46 46
47 // The string shown for the menu item. 47 // The string shown for the menu item.
48 virtual string16 GetLabel(int id) const; 48 virtual base::string16 GetLabel(int id) const;
49 49
50 // The delegate needs to implement this function if it wants to display 50 // The delegate needs to implement this function if it wants to display
51 // the shortcut text next to each menu item. If there is an accelerator 51 // the shortcut text next to each menu item. If there is an accelerator
52 // for a given item id, the implementor must return it. 52 // for a given item id, the implementor must return it.
53 virtual bool GetAcceleratorInfo(int id, ui::Accelerator* accel); 53 virtual bool GetAcceleratorInfo(int id, ui::Accelerator* accel);
54 54
55 // The icon shown for the menu item. 55 // The icon shown for the menu item.
56 virtual const gfx::ImageSkia& GetIcon(int id) const; 56 virtual const gfx::ImageSkia& GetIcon(int id) const;
57 57
58 // The number of items to show in the menu 58 // The number of items to show in the menu
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87 // since there is no reason to show left-to-right menus for right-to-left 87 // since there is no reason to show left-to-right menus for right-to-left
88 // locales. However, subclasses can override this behavior so that the menu 88 // locales. However, subclasses can override this behavior so that the menu
89 // is a right-to-left menu only if the view's layout is right-to-left 89 // is a right-to-left menu only if the view's layout is right-to-left
90 // (since the view can use a different layout than the locale's language 90 // (since the view can use a different layout than the locale's language
91 // layout). 91 // layout).
92 virtual bool IsRightToLeftUILayout() const; 92 virtual bool IsRightToLeftUILayout() const;
93 93
94 // Controller 94 // Controller
95 virtual bool SupportsCommand(int id) const; 95 virtual bool SupportsCommand(int id) const;
96 virtual bool IsCommandEnabled(int id) const; 96 virtual bool IsCommandEnabled(int id) const;
97 virtual bool GetContextualLabel(int id, string16* out) const; 97 virtual bool GetContextualLabel(int id, base::string16* out) const;
98 virtual void ExecuteCommand(int id) { 98 virtual void ExecuteCommand(int id) {
99 } 99 }
100 100
101 protected: 101 protected:
102 // Returns an empty icon. 102 // Returns an empty icon.
103 const gfx::ImageSkia& GetEmptyIcon() const; 103 const gfx::ImageSkia& GetEmptyIcon() const;
104 }; 104 };
105 105
106 // How this popup should align itself relative to the point it is run at. 106 // How this popup should align itself relative to the point it is run at.
107 enum AnchorPoint { 107 enum AnchorPoint {
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144 144
145 // Adds an item to this menu. 145 // Adds an item to this menu.
146 // item_id The id of the item, used to identify it in delegate callbacks 146 // item_id The id of the item, used to identify it in delegate callbacks
147 // or (if delegate is NULL) to identify the command associated 147 // or (if delegate is NULL) to identify the command associated
148 // with this item with the controller specified in the ctor. Note 148 // with this item with the controller specified in the ctor. Note
149 // that this value should not be 0 as this has a special meaning 149 // that this value should not be 0 as this has a special meaning
150 // ("NULL command, no item selected") 150 // ("NULL command, no item selected")
151 // label The text label shown. 151 // label The text label shown.
152 // type The type of item. 152 // type The type of item.
153 void AppendMenuItem(int item_id, 153 void AppendMenuItem(int item_id,
154 const string16& label, 154 const base::string16& label,
155 MenuItemType type); 155 MenuItemType type);
156 void AddMenuItem(int index, 156 void AddMenuItem(int index,
157 int item_id, 157 int item_id,
158 const string16& label, 158 const base::string16& label,
159 MenuItemType type); 159 MenuItemType type);
160 160
161 // Append a submenu to this menu. 161 // Append a submenu to this menu.
162 // The returned pointer is owned by this menu. 162 // The returned pointer is owned by this menu.
163 Menu* AppendSubMenu(int item_id, 163 Menu* AppendSubMenu(int item_id,
164 const string16& label); 164 const base::string16& label);
165 Menu* AddSubMenu(int index, int item_id, const string16& label); 165 Menu* AddSubMenu(int index, int item_id, const base::string16& label);
166 166
167 // Append a submenu with an icon to this menu 167 // Append a submenu with an icon to this menu
168 // The returned pointer is owned by this menu. 168 // The returned pointer is owned by this menu.
169 // Unless the icon is empty, calling this function forces the Menu class 169 // Unless the icon is empty, calling this function forces the Menu class
170 // to draw the menu, instead of relying on Windows. 170 // to draw the menu, instead of relying on Windows.
171 Menu* AppendSubMenuWithIcon(int item_id, 171 Menu* AppendSubMenuWithIcon(int item_id,
172 const string16& label, 172 const base::string16& label,
173 const gfx::ImageSkia& icon); 173 const gfx::ImageSkia& icon);
174 virtual Menu* AddSubMenuWithIcon(int index, 174 virtual Menu* AddSubMenuWithIcon(int index,
175 int item_id, 175 int item_id,
176 const string16& label, 176 const base::string16& label,
177 const gfx::ImageSkia& icon) = 0; 177 const gfx::ImageSkia& icon) = 0;
178 178
179 // This is a convenience for standard text label menu items where the label 179 // This is a convenience for standard text label menu items where the label
180 // is provided with this call. 180 // is provided with this call.
181 void AppendMenuItemWithLabel(int item_id, const string16& label); 181 void AppendMenuItemWithLabel(int item_id, const base::string16& label);
182 void AddMenuItemWithLabel(int index, int item_id, const string16& label); 182 void AddMenuItemWithLabel(int index,
183 int item_id,
184 const base::string16& label);
183 185
184 // This is a convenience for text label menu items where the label is 186 // This is a convenience for text label menu items where the label is
185 // provided by the delegate. 187 // provided by the delegate.
186 void AppendDelegateMenuItem(int item_id); 188 void AppendDelegateMenuItem(int item_id);
187 void AddDelegateMenuItem(int index, int item_id); 189 void AddDelegateMenuItem(int index, int item_id);
188 190
189 // Adds a separator to this menu 191 // Adds a separator to this menu
190 void AppendSeparator(); 192 void AppendSeparator();
191 virtual void AddSeparator(int index) = 0; 193 virtual void AddSeparator(int index) = 0;
192 194
193 // Appends a menu item with an icon. This is for the menu item which 195 // Appends a menu item with an icon. This is for the menu item which
194 // needs an icon. Calling this function forces the Menu class to draw 196 // needs an icon. Calling this function forces the Menu class to draw
195 // the menu, instead of relying on Windows. 197 // the menu, instead of relying on Windows.
196 void AppendMenuItemWithIcon(int item_id, 198 void AppendMenuItemWithIcon(int item_id,
197 const string16& label, 199 const base::string16& label,
198 const gfx::ImageSkia& icon); 200 const gfx::ImageSkia& icon);
199 virtual void AddMenuItemWithIcon(int index, 201 virtual void AddMenuItemWithIcon(int index,
200 int item_id, 202 int item_id,
201 const string16& label, 203 const base::string16& label,
202 const gfx::ImageSkia& icon); 204 const gfx::ImageSkia& icon);
203 205
204 // Enables or disables the item with the specified id. 206 // Enables or disables the item with the specified id.
205 virtual void EnableMenuItemByID(int item_id, bool enabled) = 0; 207 virtual void EnableMenuItemByID(int item_id, bool enabled) = 0;
206 virtual void EnableMenuItemAt(int index, bool enabled) = 0; 208 virtual void EnableMenuItemAt(int index, bool enabled) = 0;
207 209
208 // Sets menu label at specified index. 210 // Sets menu label at specified index.
209 virtual void SetMenuLabel(int item_id, const string16& label) = 0; 211 virtual void SetMenuLabel(int item_id, const base::string16& label) = 0;
210 212
211 // Sets an icon for an item with a given item_id. Calling this function 213 // Sets an icon for an item with a given item_id. Calling this function
212 // also forces the Menu class to draw the menu, instead of relying on Windows. 214 // also forces the Menu class to draw the menu, instead of relying on Windows.
213 // Returns false if the item with |item_id| is not found. 215 // Returns false if the item with |item_id| is not found.
214 virtual bool SetIcon(const gfx::ImageSkia& icon, int item_id) = 0; 216 virtual bool SetIcon(const gfx::ImageSkia& icon, int item_id) = 0;
215 217
216 // Shows the menu, blocks until the user dismisses the menu or selects an 218 // Shows the menu, blocks until the user dismisses the menu or selects an
217 // item, and executes the command for the selected item (if any). 219 // item, and executes the command for the selected item (if any).
218 // Warning: Blocking call. Will implicitly run a message loop. 220 // Warning: Blocking call. Will implicitly run a message loop.
219 virtual void RunMenuAt(int x, int y) = 0; 221 virtual void RunMenuAt(int x, int y) = 0;
220 222
221 // Cancels the menu. 223 // Cancels the menu.
222 virtual void Cancel() = 0; 224 virtual void Cancel() = 0;
223 225
224 // Returns the number of menu items. 226 // Returns the number of menu items.
225 virtual int ItemCount() = 0; 227 virtual int ItemCount() = 0;
226 228
227 #if defined(OS_WIN) 229 #if defined(OS_WIN)
228 // Returns the underlying menu handle 230 // Returns the underlying menu handle
229 virtual HMENU GetMenuHandle() const = 0; 231 virtual HMENU GetMenuHandle() const = 0;
230 #endif // defined(OS_WIN) 232 #endif // defined(OS_WIN)
231 233
232 protected: 234 protected:
233 explicit Menu(Menu* parent); 235 explicit Menu(Menu* parent);
234 236
235 virtual void AddMenuItemInternal(int index, 237 virtual void AddMenuItemInternal(int index,
236 int item_id, 238 int item_id,
237 const string16& label, 239 const base::string16& label,
238 const gfx::ImageSkia& icon, 240 const gfx::ImageSkia& icon,
239 MenuItemType type) = 0; 241 MenuItemType type) = 0;
240 242
241 private: 243 private:
242 // The delegate that is being used to get information about the presentation. 244 // The delegate that is being used to get information about the presentation.
243 Delegate* delegate_; 245 Delegate* delegate_;
244 246
245 // How this popup menu should be aligned relative to the point it is run at. 247 // How this popup menu should be aligned relative to the point it is run at.
246 AnchorPoint anchor_; 248 AnchorPoint anchor_;
247 249
248 DISALLOW_COPY_AND_ASSIGN(Menu); 250 DISALLOW_COPY_AND_ASSIGN(Menu);
249 }; 251 };
250 252
251 } // namespace views 253 } // namespace views
252 254
253 #endif // UI_VIEWS_CONTROLS_MENU_MENU_H_ 255 #endif // UI_VIEWS_CONTROLS_MENU_MENU_H_
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