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
3 // found in the LICENSE file.
4
5 #include "ui/views/controls/menu/menu_delegate.h"
6
7 #include "ui/events/event.h"
8 #include "ui/views/controls/menu/menu_config.h"
9
10 namespace views {
11
~MenuDelegate()12 MenuDelegate::~MenuDelegate() {}
13
IsItemChecked(int id) const14 bool MenuDelegate::IsItemChecked(int id) const {
15 return false;
16 }
17
GetLabel(int id) const18 base::string16 MenuDelegate::GetLabel(int id) const {
19 return base::string16();
20 }
21
GetLabelFontList(int id) const22 const gfx::FontList* MenuDelegate::GetLabelFontList(int id) const {
23 return NULL;
24 }
25
GetShouldUseDisabledEmphasizedForegroundColor(int command_id) const26 bool MenuDelegate::GetShouldUseDisabledEmphasizedForegroundColor(
27 int command_id) const {
28 return false;
29 }
30
GetBackgroundColor(int command_id,bool is_hovered,SkColor * override_color) const31 bool MenuDelegate::GetBackgroundColor(int command_id,
32 bool is_hovered,
33 SkColor* override_color) const {
34 return false;
35 }
36
GetForegroundColor(int command_id,bool is_hovered,SkColor * override_color) const37 bool MenuDelegate::GetForegroundColor(int command_id,
38 bool is_hovered,
39 SkColor* override_color) const {
40 return false;
41 }
42
GetTooltipText(int id,const gfx::Point & screen_loc) const43 base::string16 MenuDelegate::GetTooltipText(int id,
44 const gfx::Point& screen_loc) const {
45 return base::string16();
46 }
47
GetAccelerator(int id,ui::Accelerator * accelerator) const48 bool MenuDelegate::GetAccelerator(int id, ui::Accelerator* accelerator) const {
49 return false;
50 }
51
ShowContextMenu(MenuItemView * source,int id,const gfx::Point & p,ui::MenuSourceType source_type)52 bool MenuDelegate::ShowContextMenu(MenuItemView* source,
53 int id,
54 const gfx::Point& p,
55 ui::MenuSourceType source_type) {
56 return false;
57 }
58
SupportsCommand(int id) const59 bool MenuDelegate::SupportsCommand(int id) const {
60 return true;
61 }
62
IsCommandEnabled(int id) const63 bool MenuDelegate::IsCommandEnabled(int id) const {
64 return true;
65 }
66
IsCommandVisible(int id) const67 bool MenuDelegate::IsCommandVisible(int id) const {
68 return true;
69 }
70
GetContextualLabel(int id,base::string16 * out) const71 bool MenuDelegate::GetContextualLabel(int id, base::string16* out) const {
72 return false;
73 }
74
ShouldCloseAllMenusOnExecute(int id)75 bool MenuDelegate::ShouldCloseAllMenusOnExecute(int id) {
76 return true;
77 }
78
ExecuteCommand(int id,int mouse_event_flags)79 void MenuDelegate::ExecuteCommand(int id, int mouse_event_flags) {
80 ExecuteCommand(id);
81 }
82
ShouldExecuteCommandWithoutClosingMenu(int id,const ui::Event & e)83 bool MenuDelegate::ShouldExecuteCommandWithoutClosingMenu(int id,
84 const ui::Event& e) {
85 return false;
86 }
87
IsTriggerableEvent(MenuItemView * source,const ui::Event & e)88 bool MenuDelegate::IsTriggerableEvent(MenuItemView* source,
89 const ui::Event& e) {
90 return e.type() == ui::ET_GESTURE_TAP ||
91 e.type() == ui::ET_GESTURE_TAP_DOWN ||
92 (e.IsMouseEvent() && (e.flags() &
93 (ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON)));
94 }
95
CanDrop(MenuItemView * menu,const OSExchangeData & data)96 bool MenuDelegate::CanDrop(MenuItemView* menu, const OSExchangeData& data) {
97 return false;
98 }
99
GetDropFormats(MenuItemView * menu,int * formats,std::set<OSExchangeData::CustomFormat> * custom_formats)100 bool MenuDelegate::GetDropFormats(
101 MenuItemView* menu,
102 int* formats,
103 std::set<OSExchangeData::CustomFormat>* custom_formats) {
104 return false;
105 }
106
AreDropTypesRequired(MenuItemView * menu)107 bool MenuDelegate::AreDropTypesRequired(MenuItemView* menu) {
108 return false;
109 }
110
GetDropOperation(MenuItemView * item,const ui::DropTargetEvent & event,DropPosition * position)111 int MenuDelegate::GetDropOperation(MenuItemView* item,
112 const ui::DropTargetEvent& event,
113 DropPosition* position) {
114 NOTREACHED() << "If you override CanDrop, you need to override this too";
115 return ui::DragDropTypes::DRAG_NONE;
116 }
117
OnPerformDrop(MenuItemView * menu,DropPosition position,const ui::DropTargetEvent & event)118 int MenuDelegate::OnPerformDrop(MenuItemView* menu,
119 DropPosition position,
120 const ui::DropTargetEvent& event) {
121 NOTREACHED() << "If you override CanDrop, you need to override this too";
122 return ui::DragDropTypes::DRAG_NONE;
123 }
124
CanDrag(MenuItemView * menu)125 bool MenuDelegate::CanDrag(MenuItemView* menu) {
126 return false;
127 }
128
WriteDragData(MenuItemView * sender,OSExchangeData * data)129 void MenuDelegate::WriteDragData(MenuItemView* sender, OSExchangeData* data) {
130 NOTREACHED() << "If you override CanDrag, you must override this too.";
131 }
132
GetDragOperations(MenuItemView * sender)133 int MenuDelegate::GetDragOperations(MenuItemView* sender) {
134 NOTREACHED() << "If you override CanDrag, you must override this too.";
135 return 0;
136 }
137
ShouldCloseOnDragComplete()138 bool MenuDelegate::ShouldCloseOnDragComplete() {
139 return true;
140 }
141
GetSiblingMenu(MenuItemView * menu,const gfx::Point & screen_point,MenuAnchorPosition * anchor,bool * has_mnemonics,MenuButton ** button)142 MenuItemView* MenuDelegate::GetSiblingMenu(MenuItemView* menu,
143 const gfx::Point& screen_point,
144 MenuAnchorPosition* anchor,
145 bool* has_mnemonics,
146 MenuButton** button) {
147 return NULL;
148 }
149
GetMaxWidthForMenu(MenuItemView * menu)150 int MenuDelegate::GetMaxWidthForMenu(MenuItemView* menu) {
151 // NOTE: this needs to be large enough to accommodate the wrench menu with
152 // big fonts.
153 return 800;
154 }
155
WillShowMenu(MenuItemView * menu)156 void MenuDelegate::WillShowMenu(MenuItemView* menu) {
157 }
158
WillHideMenu(MenuItemView * menu)159 void MenuDelegate::WillHideMenu(MenuItemView* menu) {
160 }
161
GetHorizontalIconMargins(int command_id,int icon_size,int * left_margin,int * right_margin) const162 void MenuDelegate::GetHorizontalIconMargins(int command_id,
163 int icon_size,
164 int* left_margin,
165 int* right_margin) const {
166 *left_margin = 0;
167 *right_margin = 0;
168 }
169
ShouldReserveSpaceForSubmenuIndicator() const170 bool MenuDelegate::ShouldReserveSpaceForSubmenuIndicator() const {
171 return true;
172 }
173
174 } // namespace views
175