| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/views/controls/menu/menu_model_adapter.h" |
| |
| #include "base/logging.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/models/menu_model.h" |
| #include "ui/views/controls/menu/submenu_view.h" |
| #include "ui/views/views_delegate.h" |
| |
| namespace views { |
| |
| MenuModelAdapter::MenuModelAdapter(ui::MenuModel* menu_model) |
| : menu_model_(menu_model), |
| triggerable_event_flags_(ui::EF_LEFT_MOUSE_BUTTON | |
| ui::EF_RIGHT_MOUSE_BUTTON) { |
| DCHECK(menu_model); |
| } |
| |
| MenuModelAdapter::~MenuModelAdapter() { |
| } |
| |
| void MenuModelAdapter::BuildMenu(MenuItemView* menu) { |
| DCHECK(menu); |
| |
| // Clear the menu. |
| if (menu->HasSubmenu()) { |
| const int subitem_count = menu->GetSubmenu()->child_count(); |
| for (int i = 0; i < subitem_count; ++i) |
| menu->RemoveMenuItemAt(0); |
| } |
| |
| // Leave entries in the map if the menu is being shown. This |
| // allows the map to find the menu model of submenus being closed |
| // so ui::MenuModel::MenuClosed() can be called. |
| if (!menu->GetMenuController()) |
| menu_map_.clear(); |
| menu_map_[menu] = menu_model_; |
| |
| // Repopulate the menu. |
| BuildMenuImpl(menu, menu_model_); |
| menu->ChildrenChanged(); |
| } |
| |
| MenuItemView* MenuModelAdapter::CreateMenu() { |
| MenuItemView* item = new MenuItemView(this); |
| BuildMenu(item); |
| return item; |
| } |
| |
| // MenuModelAdapter, MenuDelegate implementation: |
| |
| void MenuModelAdapter::ExecuteCommand(int id) { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) { |
| model->ActivatedAt(index); |
| return; |
| } |
| |
| NOTREACHED(); |
| } |
| |
| void MenuModelAdapter::ExecuteCommand(int id, int mouse_event_flags) { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) { |
| model->ActivatedAt(index, mouse_event_flags); |
| return; |
| } |
| |
| NOTREACHED(); |
| } |
| |
| bool MenuModelAdapter::IsTriggerableEvent(MenuItemView* source, |
| const MouseEvent& e) { |
| return (triggerable_event_flags_ & e.flags()) != 0; |
| } |
| |
| bool MenuModelAdapter::GetAccelerator(int id, |
| ui::Accelerator* accelerator) { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) |
| return model->GetAcceleratorAt(index, accelerator); |
| |
| NOTREACHED(); |
| return false; |
| } |
| |
| string16 MenuModelAdapter::GetLabel(int id) const { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) |
| return model->GetLabelAt(index); |
| |
| NOTREACHED(); |
| return string16(); |
| } |
| |
| const gfx::Font& MenuModelAdapter::GetLabelFont(int id) const { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) { |
| const gfx::Font* font = model->GetLabelFontAt(index); |
| return font ? *font : MenuDelegate::GetLabelFont(id); |
| } |
| |
| // This line may be reached for the empty menu item. |
| return MenuDelegate::GetLabelFont(id); |
| } |
| |
| bool MenuModelAdapter::IsCommandEnabled(int id) const { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) |
| return model->IsEnabledAt(index); |
| |
| NOTREACHED(); |
| return false; |
| } |
| |
| bool MenuModelAdapter::IsItemChecked(int id) const { |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) |
| return model->IsItemCheckedAt(index); |
| |
| NOTREACHED(); |
| return false; |
| } |
| |
| void MenuModelAdapter::SelectionChanged(MenuItemView* menu) { |
| // Ignore selection of the root menu. |
| if (menu == menu->GetRootMenuItem()) |
| return; |
| |
| const int id = menu->GetCommand(); |
| ui::MenuModel* model = menu_model_; |
| int index = 0; |
| if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) { |
| model->HighlightChangedTo(index); |
| return; |
| } |
| |
| NOTREACHED(); |
| } |
| |
| void MenuModelAdapter::WillShowMenu(MenuItemView* menu) { |
| // Look up the menu model for this menu. |
| const std::map<MenuItemView*, ui::MenuModel*>::const_iterator map_iterator = |
| menu_map_.find(menu); |
| if (map_iterator != menu_map_.end()) { |
| map_iterator->second->MenuWillShow(); |
| return; |
| } |
| |
| NOTREACHED(); |
| } |
| |
| void MenuModelAdapter::WillHideMenu(MenuItemView* menu) { |
| // Look up the menu model for this menu. |
| const std::map<MenuItemView*, ui::MenuModel*>::const_iterator map_iterator = |
| menu_map_.find(menu); |
| if (map_iterator != menu_map_.end()) { |
| map_iterator->second->MenuClosed(); |
| return; |
| } |
| |
| NOTREACHED(); |
| } |
| |
| // MenuModelAdapter, private: |
| |
| void MenuModelAdapter::BuildMenuImpl(MenuItemView* menu, ui::MenuModel* model) { |
| DCHECK(menu); |
| DCHECK(model); |
| const int item_count = model->GetItemCount(); |
| for (int i = 0; i < item_count; ++i) { |
| const int index = i + model->GetFirstItemIndex(NULL); |
| MenuItemView* item = menu->AppendMenuItemFromModel( |
| model, index, model->GetCommandIdAt(index)); |
| |
| if (model->GetTypeAt(index) == ui::MenuModel::TYPE_SUBMENU) { |
| DCHECK(item); |
| DCHECK_EQ(MenuItemView::SUBMENU, item->GetType()); |
| ui::MenuModel* submodel = model->GetSubmenuModelAt(index); |
| DCHECK(submodel); |
| BuildMenuImpl(item, submodel); |
| |
| menu_map_[item] = submodel; |
| } |
| } |
| |
| menu->set_has_icons(model->HasIcons()); |
| } |
| |
| } // namespace views |