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 "chrome/grit/generated_resources.h" 16#include "ui/base/l10n/l10n_util.h" 17 18SystemMenuModelDelegate::SystemMenuModelDelegate( 19 ui::AcceleratorProvider* provider, 20 Browser* browser) 21 : provider_(provider), 22 browser_(browser) { 23} 24 25SystemMenuModelDelegate::~SystemMenuModelDelegate() { 26} 27 28bool 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 39bool SystemMenuModelDelegate::IsCommandIdEnabled(int command_id) const { 40 if (!chrome::IsCommandEnabled(browser_, command_id)) 41 return false; 42 43 if (command_id != IDC_RESTORE_TAB) 44 return true; 45 46 // chrome::IsCommandEnabled(IDC_RESTORE_TAB) returns true if TabRestoreService 47 // hasn't been loaded yet. Return false if this is the case as we don't have 48 // a good way to dynamically update the menu when TabRestoreService finishes 49 // loading. 50 // TODO(sky): add a way to update menu. 51 TabRestoreService* trs = 52 TabRestoreServiceFactory::GetForProfile(browser_->profile()); 53 if (!trs->IsLoaded()) { 54 trs->LoadTabsFromLastSession(); 55 return false; 56 } 57 return true; 58} 59 60bool SystemMenuModelDelegate::GetAcceleratorForCommandId(int command_id, 61 ui::Accelerator* accelerator) { 62 return provider_->GetAcceleratorForCommandId(command_id, accelerator); 63} 64 65bool SystemMenuModelDelegate::IsItemForCommandIdDynamic(int command_id) const { 66 return command_id == IDC_RESTORE_TAB; 67} 68 69base::string16 SystemMenuModelDelegate::GetLabelForCommandId( 70 int command_id) const { 71 DCHECK_EQ(command_id, IDC_RESTORE_TAB); 72 73 int string_id = IDS_RESTORE_TAB; 74 if (IsCommandIdEnabled(command_id)) { 75 TabRestoreService* trs = 76 TabRestoreServiceFactory::GetForProfile(browser_->profile()); 77 trs->LoadTabsFromLastSession(); 78 if (trs && !trs->entries().empty() && 79 trs->entries().front()->type == TabRestoreService::WINDOW) 80 string_id = IDS_RESTORE_WINDOW; 81 } 82 return l10n_util::GetStringUTF16(string_id); 83} 84 85void SystemMenuModelDelegate::ExecuteCommand(int command_id, int event_flags) { 86 chrome::ExecuteCommand(browser_, command_id); 87} 88