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 10namespace views { 11 12MenuDelegate::~MenuDelegate() {} 13 14bool MenuDelegate::IsItemChecked(int id) const { 15 return false; 16} 17 18base::string16 MenuDelegate::GetLabel(int id) const { 19 return base::string16(); 20} 21 22const gfx::FontList* MenuDelegate::GetLabelFontList(int id) const { 23 return NULL; 24} 25 26bool MenuDelegate::GetShouldUseDisabledEmphasizedForegroundColor( 27 int command_id) const { 28 return false; 29} 30 31bool MenuDelegate::GetBackgroundColor(int command_id, 32 bool is_hovered, 33 SkColor* override_color) const { 34 return false; 35} 36 37bool MenuDelegate::GetForegroundColor(int command_id, 38 bool is_hovered, 39 SkColor* override_color) const { 40 return false; 41} 42 43base::string16 MenuDelegate::GetTooltipText(int id, 44 const gfx::Point& screen_loc) const { 45 return base::string16(); 46} 47 48bool MenuDelegate::GetAccelerator(int id, ui::Accelerator* accelerator) const { 49 return false; 50} 51 52bool MenuDelegate::ShowContextMenu(MenuItemView* source, 53 int id, 54 const gfx::Point& p, 55 ui::MenuSourceType source_type) { 56 return false; 57} 58 59bool MenuDelegate::SupportsCommand(int id) const { 60 return true; 61} 62 63bool MenuDelegate::IsCommandEnabled(int id) const { 64 return true; 65} 66 67bool MenuDelegate::IsCommandVisible(int id) const { 68 return true; 69} 70 71bool MenuDelegate::GetContextualLabel(int id, base::string16* out) const { 72 return false; 73} 74 75bool MenuDelegate::ShouldCloseAllMenusOnExecute(int id) { 76 return true; 77} 78 79void MenuDelegate::ExecuteCommand(int id, int mouse_event_flags) { 80 ExecuteCommand(id); 81} 82 83bool MenuDelegate::ShouldExecuteCommandWithoutClosingMenu(int id, 84 const ui::Event& e) { 85 return false; 86} 87 88bool 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 96bool MenuDelegate::CanDrop(MenuItemView* menu, const OSExchangeData& data) { 97 return false; 98} 99 100bool MenuDelegate::GetDropFormats( 101 MenuItemView* menu, 102 int* formats, 103 std::set<OSExchangeData::CustomFormat>* custom_formats) { 104 return false; 105} 106 107bool MenuDelegate::AreDropTypesRequired(MenuItemView* menu) { 108 return false; 109} 110 111int 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 118int 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 125bool MenuDelegate::CanDrag(MenuItemView* menu) { 126 return false; 127} 128 129void MenuDelegate::WriteDragData(MenuItemView* sender, OSExchangeData* data) { 130 NOTREACHED() << "If you override CanDrag, you must override this too."; 131} 132 133int MenuDelegate::GetDragOperations(MenuItemView* sender) { 134 NOTREACHED() << "If you override CanDrag, you must override this too."; 135 return 0; 136} 137 138bool MenuDelegate::ShouldCloseOnDragComplete() { 139 return true; 140} 141 142MenuItemView* 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 150int 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 156void MenuDelegate::WillShowMenu(MenuItemView* menu) { 157} 158 159void MenuDelegate::WillHideMenu(MenuItemView* menu) { 160} 161 162void 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 170bool MenuDelegate::ShouldReserveSpaceForSubmenuIndicator() const { 171 return true; 172} 173 174} // namespace views 175