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_config.h" 6#include "ui/views/controls/menu/menu_delegate.h" 7 8namespace views { 9 10MenuDelegate::~MenuDelegate() {} 11 12bool MenuDelegate::IsItemChecked(int id) const { 13 return false; 14} 15 16string16 MenuDelegate::GetLabel(int id) const { 17 return string16(); 18} 19 20const gfx::Font* MenuDelegate::GetLabelFont(int id) const { 21 return NULL; 22} 23 24bool MenuDelegate::GetBackgroundColor(int command_id, 25 bool is_hovered, 26 SkColor* override_color) const { 27 return false; 28} 29 30bool MenuDelegate::GetForegroundColor(int command_id, 31 bool is_hovered, 32 SkColor* override_color) const { 33 return false; 34} 35 36string16 MenuDelegate::GetTooltipText(int id, 37 const gfx::Point& screen_loc) const { 38 return string16(); 39} 40 41bool MenuDelegate::GetAccelerator(int id, ui::Accelerator* accelerator) { 42 return false; 43} 44 45bool MenuDelegate::ShowContextMenu(MenuItemView* source, 46 int id, 47 const gfx::Point& p, 48 ui::MenuSourceType source_type) { 49 return false; 50} 51 52bool MenuDelegate::SupportsCommand(int id) const { 53 return true; 54} 55 56bool MenuDelegate::IsCommandEnabled(int id) const { 57 return true; 58} 59 60bool MenuDelegate::GetContextualLabel(int id, string16* out) const { 61 return false; 62} 63 64bool MenuDelegate::ShouldCloseAllMenusOnExecute(int id) { 65 return true; 66} 67 68void MenuDelegate::ExecuteCommand(int id, int mouse_event_flags) { 69 ExecuteCommand(id); 70} 71 72bool MenuDelegate::ShouldExecuteCommandWithoutClosingMenu(int id, 73 const ui::Event& e) { 74 return false; 75} 76 77bool MenuDelegate::IsTriggerableEvent(MenuItemView* source, 78 const ui::Event& e) { 79 return e.type() == ui::ET_GESTURE_TAP || 80 e.type() == ui::ET_GESTURE_TAP_DOWN || 81 (e.IsMouseEvent() && (e.flags() & 82 (ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON))); 83} 84 85bool MenuDelegate::CanDrop(MenuItemView* menu, const OSExchangeData& data) { 86 return false; 87} 88 89bool MenuDelegate::GetDropFormats( 90 MenuItemView* menu, 91 int* formats, 92 std::set<OSExchangeData::CustomFormat>* custom_formats) { 93 return false; 94} 95 96bool MenuDelegate::AreDropTypesRequired(MenuItemView* menu) { 97 return false; 98} 99 100int MenuDelegate::GetDropOperation(MenuItemView* item, 101 const ui::DropTargetEvent& event, 102 DropPosition* position) { 103 NOTREACHED() << "If you override CanDrop, you need to override this too"; 104 return ui::DragDropTypes::DRAG_NONE; 105} 106 107int MenuDelegate::OnPerformDrop(MenuItemView* menu, 108 DropPosition position, 109 const ui::DropTargetEvent& event) { 110 NOTREACHED() << "If you override CanDrop, you need to override this too"; 111 return ui::DragDropTypes::DRAG_NONE; 112} 113 114bool MenuDelegate::CanDrag(MenuItemView* menu) { 115 return false; 116} 117 118void MenuDelegate::WriteDragData(MenuItemView* sender, OSExchangeData* data) { 119 NOTREACHED() << "If you override CanDrag, you must override this too."; 120} 121 122int MenuDelegate::GetDragOperations(MenuItemView* sender) { 123 NOTREACHED() << "If you override CanDrag, you must override this too."; 124 return 0; 125} 126 127MenuItemView* MenuDelegate::GetSiblingMenu(MenuItemView* menu, 128 const gfx::Point& screen_point, 129 MenuItemView::AnchorPosition* anchor, 130 bool* has_mnemonics, 131 MenuButton** button) { 132 return NULL; 133} 134 135int MenuDelegate::GetMaxWidthForMenu(MenuItemView* menu) { 136 // NOTE: this needs to be large enough to accommodate the wrench menu with 137 // big fonts. 138 return 800; 139} 140 141void MenuDelegate::WillShowMenu(MenuItemView* menu) { 142} 143 144void MenuDelegate::WillHideMenu(MenuItemView* menu) { 145} 146 147void MenuDelegate::GetHorizontalIconMargins(int command_id, 148 int icon_size, 149 int* left_margin, 150 int* right_margin) const { 151 *left_margin = 0; 152 *right_margin = 0; 153} 154 155bool MenuDelegate::ShouldReserveSpaceForSubmenuIndicator() const { 156 return true; 157} 158 159} // namespace views 160