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      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 "chrome/browser/ui/views/frame/system_menu_model_delegate.h"
      6 
      7 #include "chrome/app/chrome_command_ids.h"
      8 #include "chrome/browser/command_updater.h"
      9 #include "chrome/browser/sessions/tab_restore_service.h"
     10 #include "chrome/browser/sessions/tab_restore_service_factory.h"
     11 #include "chrome/browser/ui/browser_commands.h"
     12 #include "grit/generated_resources.h"
     13 #include "ui/base/l10n/l10n_util.h"
     14 
     15 SystemMenuModelDelegate::SystemMenuModelDelegate(
     16     ui::AcceleratorProvider* provider,
     17     Browser* browser)
     18     : provider_(provider),
     19       browser_(browser) {
     20 }
     21 
     22 SystemMenuModelDelegate::~SystemMenuModelDelegate() {
     23 }
     24 
     25 bool SystemMenuModelDelegate::IsCommandIdChecked(int command_id) const {
     26   // TODO(beng): encoding menu.
     27   // No items in our system menu are check-able.
     28   return false;
     29 }
     30 
     31 bool SystemMenuModelDelegate::IsCommandIdEnabled(int command_id) const {
     32   return chrome::IsCommandEnabled(browser_, command_id);
     33 }
     34 
     35 bool SystemMenuModelDelegate::GetAcceleratorForCommandId(int command_id,
     36                                              ui::Accelerator* accelerator) {
     37   return provider_->GetAcceleratorForCommandId(command_id, accelerator);
     38 }
     39 
     40 bool SystemMenuModelDelegate::IsItemForCommandIdDynamic(int command_id) const {
     41   return command_id == IDC_RESTORE_TAB;
     42 }
     43 
     44 string16 SystemMenuModelDelegate::GetLabelForCommandId(int command_id) const {
     45   DCHECK_EQ(command_id, IDC_RESTORE_TAB);
     46 
     47   int string_id = IDS_RESTORE_TAB;
     48   if (IsCommandIdEnabled(command_id)) {
     49     TabRestoreService* trs =
     50         TabRestoreServiceFactory::GetForProfile(browser_->profile());
     51     if (trs && trs->entries().front()->type == TabRestoreService::WINDOW)
     52       string_id = IDS_RESTORE_WINDOW;
     53   }
     54   return l10n_util::GetStringUTF16(string_id);
     55 }
     56 
     57 void SystemMenuModelDelegate::ExecuteCommand(int command_id, int event_flags) {
     58   chrome::ExecuteCommand(browser_, command_id);
     59 }
     60