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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 "base/prefs/pref_service.h"
      8 #include "chrome/app/chrome_command_ids.h"
      9 #include "chrome/browser/command_updater.h"
     10 #include "chrome/browser/profiles/profile.h"
     11 #include "chrome/browser/sessions/tab_restore_service.h"
     12 #include "chrome/browser/sessions/tab_restore_service_factory.h"
     13 #include "chrome/browser/ui/browser_commands.h"
     14 #include "chrome/common/pref_names.h"
     15 #include "grit/generated_resources.h"
     16 #include "ui/base/l10n/l10n_util.h"
     17 
     18 SystemMenuModelDelegate::SystemMenuModelDelegate(
     19     ui::AcceleratorProvider* provider,
     20     Browser* browser)
     21     : provider_(provider),
     22       browser_(browser) {
     23 }
     24 
     25 SystemMenuModelDelegate::~SystemMenuModelDelegate() {
     26 }
     27 
     28 bool SystemMenuModelDelegate::IsCommandIdChecked(int command_id) const {
     29   switch (command_id) {
     30     case IDC_USE_SYSTEM_TITLE_BAR: {
     31       PrefService* prefs = browser_->profile()->GetPrefs();
     32       return !prefs->GetBoolean(prefs::kUseCustomChromeFrame);
     33     }
     34     default:
     35       return false;
     36   }
     37 }
     38 
     39 bool SystemMenuModelDelegate::IsCommandIdEnabled(int command_id) const {
     40   return chrome::IsCommandEnabled(browser_, command_id);
     41 }
     42 
     43 bool SystemMenuModelDelegate::GetAcceleratorForCommandId(int command_id,
     44                                              ui::Accelerator* accelerator) {
     45   return provider_->GetAcceleratorForCommandId(command_id, accelerator);
     46 }
     47 
     48 bool SystemMenuModelDelegate::IsItemForCommandIdDynamic(int command_id) const {
     49   return command_id == IDC_RESTORE_TAB;
     50 }
     51 
     52 base::string16 SystemMenuModelDelegate::GetLabelForCommandId(
     53     int command_id) const {
     54   DCHECK_EQ(command_id, IDC_RESTORE_TAB);
     55 
     56   int string_id = IDS_RESTORE_TAB;
     57   if (IsCommandIdEnabled(command_id)) {
     58     TabRestoreService* trs =
     59         TabRestoreServiceFactory::GetForProfile(browser_->profile());
     60     if (trs && trs->entries().front()->type == TabRestoreService::WINDOW)
     61       string_id = IDS_RESTORE_WINDOW;
     62   }
     63   return l10n_util::GetStringUTF16(string_id);
     64 }
     65 
     66 void SystemMenuModelDelegate::ExecuteCommand(int command_id, int event_flags) {
     67   chrome::ExecuteCommand(browser_, command_id);
     68 }
     69