chrome/browser/ui/views/frame/system_menu_model_builder.cc

   1 // Copyright (c) 2013 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_builder.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/app/chrome_command_ids.h"
  10 #include "chrome/browser/ui/browser_commands.h"
  11 #include "chrome/browser/ui/host_desktop.h"
  12 #include "chrome/browser/ui/toolbar/wrench_menu_model.h"
  13 #include "chrome/common/chrome_switches.h"
  14 #include "grit/generated_resources.h"
  15 #include "ui/base/accelerators/accelerator.h"
  16 #include "ui/base/models/simple_menu_model.h"
  17
  18 #if defined(OS_CHROMEOS)
  19 #include "ash/session_state_delegate.h"
  20 #include "ash/shell.h"
  21 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
  22 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
  23 #include "chrome/browser/ui/browser_window.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #endif
  26
  27 SystemMenuModelBuilder::SystemMenuModelBuilder(
  28     ui::AcceleratorProvider* provider,
  29     Browser* browser)
  30     : menu_delegate_(provider, browser) {
  31 }
  32
  33 SystemMenuModelBuilder::~SystemMenuModelBuilder() {
  34 }
  35
  36 void SystemMenuModelBuilder::Init() {
  37   ui::SimpleMenuModel* model = new ui::SimpleMenuModel(&menu_delegate_);
  38   menu_model_.reset(model);
  39   BuildMenu(model);
  40 #if defined(OS_WIN)
  41   // On Windows with HOST_DESKTOP_TYPE_NATIVE we put the menu items in the
  42   // system menu (not at the end). Doing this necessitates adding a trailing
  43   // separator.
  44   if (browser()->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_NATIVE)
  45     model->AddSeparator(ui::NORMAL_SEPARATOR);
  46 #endif
  47 }
  48
  49 void SystemMenuModelBuilder::BuildMenu(ui::SimpleMenuModel* model) {
  50   // We add the menu items in reverse order so that insertion_index never needs
  51   // to change.
  52   if (browser()->is_type_tabbed())
  53     BuildSystemMenuForBrowserWindow(model);
  54   else
  55     BuildSystemMenuForAppOrPopupWindow(model);
  56   AddFrameToggleItems(model);
  57 }
  58
  59 void SystemMenuModelBuilder::BuildSystemMenuForBrowserWindow(
  60     ui::SimpleMenuModel* model) {
  61   model->AddItemWithStringId(IDC_NEW_TAB, IDS_NEW_TAB);
  62   model->AddItemWithStringId(IDC_RESTORE_TAB, IDS_RESTORE_TAB);
  63   if (chrome::CanOpenTaskManager()) {
  64     model->AddSeparator(ui::NORMAL_SEPARATOR);
  65     model->AddItemWithStringId(IDC_TASK_MANAGER, IDS_TASK_MANAGER);
  66   }
  67   AppendTeleportMenu(model);
  68   // If it's a regular browser window with tabs, we don't add any more items,
  69   // since it already has menus (Page, Chrome).
  70 }
  71
  72 void SystemMenuModelBuilder::BuildSystemMenuForAppOrPopupWindow(
  73     ui::SimpleMenuModel* model) {
  74   model->AddItemWithStringId(IDC_BACK, IDS_CONTENT_CONTEXT_BACK);
  75   model->AddItemWithStringId(IDC_FORWARD, IDS_CONTENT_CONTEXT_FORWARD);
  76   model->AddItemWithStringId(IDC_RELOAD, IDS_APP_MENU_RELOAD);
  77   model->AddSeparator(ui::NORMAL_SEPARATOR);
  78   if (browser()->is_app())
  79     model->AddItemWithStringId(IDC_NEW_TAB, IDS_APP_MENU_NEW_WEB_PAGE);
  80   else
  81     model->AddItemWithStringId(IDC_SHOW_AS_TAB, IDS_SHOW_AS_TAB);
  82   model->AddSeparator(ui::NORMAL_SEPARATOR);
  83   model->AddItemWithStringId(IDC_CUT, IDS_CUT);
  84   model->AddItemWithStringId(IDC_COPY, IDS_COPY);
  85   model->AddItemWithStringId(IDC_PASTE, IDS_PASTE);
  86   model->AddSeparator(ui::NORMAL_SEPARATOR);
  87   model->AddItemWithStringId(IDC_FIND, IDS_FIND);
  88   model->AddItemWithStringId(IDC_PRINT, IDS_PRINT);
  89   zoom_menu_contents_.reset(new ZoomMenuModel(&menu_delegate_));
  90   model->AddSubMenuWithStringId(IDC_ZOOM_MENU, IDS_ZOOM_MENU,
  91                                 zoom_menu_contents_.get());
  92   encoding_menu_contents_.reset(new EncodingMenuModel(browser()));
  93   model->AddSubMenuWithStringId(IDC_ENCODING_MENU,
  94                                 IDS_ENCODING_MENU,
  95                                 encoding_menu_contents_.get());
  96   if (browser()->is_app() && chrome::CanOpenTaskManager()) {
  97     model->AddSeparator(ui::NORMAL_SEPARATOR);
  98     model->AddItemWithStringId(IDC_TASK_MANAGER, IDS_TASK_MANAGER);
  99   }
 100 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 101   model->AddSeparator(ui::NORMAL_SEPARATOR);
 102   model->AddItemWithStringId(IDC_CLOSE_WINDOW, IDS_CLOSE);
 103 #endif
 104
 105   AppendTeleportMenu(model);
 106 }
 107
 108 void SystemMenuModelBuilder::AddFrameToggleItems(ui::SimpleMenuModel* model) {
 109   if (CommandLine::ForCurrentProcess()->HasSwitch(
 110           switches::kDebugEnableFrameToggle)) {
 111     model->AddSeparator(ui::NORMAL_SEPARATOR);
 112     model->AddItem(IDC_DEBUG_FRAME_TOGGLE,
 113                    base::ASCIIToUTF16("Toggle Frame Type"));
 114   }
 115 }
 116
 117 void SystemMenuModelBuilder::AppendTeleportMenu(ui::SimpleMenuModel* model) {
 118 #if defined(OS_CHROMEOS)
 119   DCHECK(browser()->window());
 120   // If there is no manager, we are not in the proper multi user mode.
 121   if (chrome::MultiUserWindowManager::GetMultiProfileMode() !=
 122           chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_SEPARATED)
 123     return;
 124
 125   // To show the menu we need at least two logged in users.
 126   ash::SessionStateDelegate* delegate =
 127       ash::Shell::GetInstance()->session_state_delegate();
 128   int logged_in_users = delegate->NumberOfLoggedInUsers();
 129   if (logged_in_users <= 1)
 130     return;
 131
 132   // If this does not belong to a profile or there is no window, or the window
 133   // is not owned by anyone, we don't show the menu addition.
 134   chrome::MultiUserWindowManager* manager =
 135       chrome::MultiUserWindowManager::GetInstance();
 136   const std::string user_id =
 137       multi_user_util::GetUserIDFromProfile(browser()->profile());
 138   aura::Window* window = browser()->window()->GetNativeWindow();
 139   if (user_id.empty() || !window || manager->GetWindowOwner(window).empty())
 140     return;
 141
 142   model->AddSeparator(ui::NORMAL_SEPARATOR);
 143   DCHECK(logged_in_users <= 3);
 144   for (int user_index = 1; user_index < logged_in_users; ++user_index) {
 145     model->AddItem(
 146         user_index == 1 ? IDC_VISIT_DESKTOP_OF_LRU_USER_2 :
 147                           IDC_VISIT_DESKTOP_OF_LRU_USER_3,
 148         l10n_util::GetStringFUTF16(IDS_VISIT_DESKTOP_OF_LRU_USER,
 149                                    delegate->GetUserDisplayName(user_index)));
 150   }
 151 #endif
 152 }