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      1 // Copyright (c) 2011 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/base/models/menu_model.h"
      6 
      7 namespace ui {
      8 
      9 bool MenuModel::IsVisibleAt(int index) const {
     10   return true;
     11 }
     12 
     13 // static
     14 bool MenuModel::GetModelAndIndexForCommandId(int command_id,
     15                                              MenuModel** model,
     16                                              int* index) {
     17   const int item_count = (*model)->GetItemCount();
     18   for (int i = 0; i < item_count; ++i) {
     19     const int candidate_index = i;
     20     if ((*model)->GetTypeAt(candidate_index) == TYPE_SUBMENU) {
     21       MenuModel* submenu_model = (*model)->GetSubmenuModelAt(candidate_index);
     22       if (GetModelAndIndexForCommandId(command_id, &submenu_model, index)) {
     23         *model = submenu_model;
     24         return true;
     25       }
     26     }
     27     if ((*model)->GetCommandIdAt(candidate_index) == command_id) {
     28       *index = candidate_index;
     29       return true;
     30     }
     31   }
     32   return false;
     33 }
     34 
     35 base::string16 MenuModel::GetSublabelAt(int index) const {
     36   return base::string16();
     37 }
     38 
     39 const gfx::Font* MenuModel::GetLabelFontAt(int index) const {
     40   return NULL;
     41 }
     42 
     43 const gfx::Font* MenuModel::GetSublabelFontAt(int index) const {
     44   return NULL;
     45 }
     46 
     47 // Default implementation ignores the event flags.
     48 void MenuModel::ActivatedAt(int index, int event_flags) {
     49   ActivatedAt(index);
     50 }
     51 
     52 }  // namespace ui
     53