chrome/browser/ui/ash/chrome_shell_delegate.cc

   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/ash/chrome_shell_delegate.h"
   6
   7 #include "apps/app_window.h"
   8 #include "apps/app_window_registry.h"
   9 #include "ash/content_support/gpu_support_impl.h"
  10 #include "ash/magnifier/magnifier_constants.h"
  11 #include "ash/wm/window_state.h"
  12 #include "ash/wm/window_util.h"
  13 #include "base/command_line.h"
  14 #include "chrome/browser/app_mode/app_mode_utils.h"
  15 #include "chrome/browser/lifetime/application_lifetime.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/ui/app_list/app_list_service.h"
  18 #include "chrome/browser/ui/app_list/app_list_view_delegate.h"
  19 #include "chrome/browser/ui/ash/app_list/app_list_controller_ash.h"
  20 #include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
  21 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  22 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
  23 #include "chrome/browser/ui/browser_commands.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "components/signin/core/common/profile_management_switches.h"
  26 #include "grit/chromium_strings.h"
  27 #include "grit/generated_resources.h"
  28 #include "ui/base/l10n/l10n_util.h"
  29
  30 #if defined(OS_CHROMEOS)
  31 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  32 #include "chrome/browser/chromeos/display/display_configuration_observer.h"
  33 #include "chrome/browser/chromeos/login/user_manager.h"
  34 #endif
  35
  36 // static
  37 ChromeShellDelegate* ChromeShellDelegate::instance_ = NULL;
  38
  39 ChromeShellDelegate::ChromeShellDelegate()
  40     : shelf_delegate_(NULL) {
  41   instance_ = this;
  42   PlatformInit();
  43 }
  44
  45 ChromeShellDelegate::~ChromeShellDelegate() {
  46   if (instance_ == this)
  47     instance_ = NULL;
  48 }
  49
  50 bool ChromeShellDelegate::IsMultiProfilesEnabled() const {
  51   // TODO(skuhne): There is a function named profiles::IsMultiProfilesEnabled
  52   // which does similar things - but it is not the same. We should investigate
  53   // if these two could be folded together.
  54   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kMultiProfiles))
  55     return false;
  56 #if defined(OS_CHROMEOS)
  57   // If there is a user manager, we need to see that we can at least have 2
  58   // simultaneous users to allow this feature.
  59   if (!chromeos::UserManager::IsInitialized())
  60     return false;
  61   size_t admitted_users_to_be_added =
  62       chromeos::UserManager::Get()->GetUsersAdmittedForMultiProfile().size();
  63   size_t logged_in_users =
  64       chromeos::UserManager::Get()->GetLoggedInUsers().size();
  65   if (!logged_in_users) {
  66     // The shelf gets created on the login screen and as such we have to create
  67     // all multi profile items of the the system tray menu before the user logs
  68     // in. For special cases like Kiosk mode and / or guest mode this isn't a
  69     // problem since either the browser gets restarted and / or the flag is not
  70     // allowed, but for an "ephermal" user (see crbug.com/312324) it is not
  71     // decided yet if he could add other users to his session or not.
  72     // TODO(skuhne): As soon as the issue above needs to be resolved, this logic
  73     // should change.
  74     logged_in_users = 1;
  75   }
  76   if (admitted_users_to_be_added + logged_in_users <= 1)
  77     return false;
  78 #endif
  79   return true;
  80 }
  81
  82 bool ChromeShellDelegate::IsIncognitoAllowed() const {
  83 #if defined(OS_CHROMEOS)
  84   return chromeos::AccessibilityManager::Get()->IsIncognitoAllowed();
  85 #endif
  86   return true;
  87 }
  88
  89 bool ChromeShellDelegate::IsRunningInForcedAppMode() const {
  90   return chrome::IsRunningInForcedAppMode();
  91 }
  92
  93 bool ChromeShellDelegate::IsMultiAccountEnabled() const {
  94 #if defined(OS_CHROMEOS)
  95   return switches::IsNewProfileManagement();
  96 #endif
  97   return false;
  98 }
  99
 100 void ChromeShellDelegate::Exit() {
 101   chrome::AttemptUserExit();
 102 }
 103
 104 content::BrowserContext* ChromeShellDelegate::GetActiveBrowserContext() {
 105 #if defined(OS_CHROMEOS)
 106   DCHECK(chromeos::UserManager::Get()->GetLoggedInUsers().size());
 107 #endif
 108   return ProfileManager::GetActiveUserProfile();
 109 }
 110
 111 app_list::AppListViewDelegate*
 112 ChromeShellDelegate::CreateAppListViewDelegate() {
 113   DCHECK(ash::Shell::HasInstance());
 114   // Shell will own the created delegate, and the delegate will own
 115   // the controller.
 116   return new AppListViewDelegate(
 117       Profile::FromBrowserContext(GetActiveBrowserContext()),
 118       AppListService::Get(chrome::HOST_DESKTOP_TYPE_ASH)->
 119       GetControllerDelegate());
 120 }
 121
 122 ash::ShelfDelegate* ChromeShellDelegate::CreateShelfDelegate(
 123     ash::ShelfModel* model) {
 124   if (!shelf_delegate_) {
 125     shelf_delegate_ = ChromeLauncherController::CreateInstance(NULL, model);
 126     shelf_delegate_->Init();
 127   }
 128   return shelf_delegate_;
 129 }
 130
 131 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
 132     aura::Window* root,
 133     ash::ShelfItemDelegate* item_delegate,
 134     ash::ShelfItem* item) {
 135   DCHECK(shelf_delegate_);
 136   // Don't show context menu for exclusive app runtime mode.
 137   if (chrome::IsRunningInAppMode())
 138     return NULL;
 139
 140   if (item_delegate && item)
 141     return new LauncherContextMenu(shelf_delegate_, item_delegate, item, root);
 142
 143   return new LauncherContextMenu(shelf_delegate_, root);
 144 }
 145
 146 ash::GPUSupport* ChromeShellDelegate::CreateGPUSupport() {
 147   // Chrome uses real GPU support.
 148   return new ash::GPUSupportImpl;
 149 }
 150
 151 base::string16 ChromeShellDelegate::GetProductName() const {
 152   return l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
 153 }
 154
 155 keyboard::KeyboardControllerProxy*
 156     ChromeShellDelegate::CreateKeyboardControllerProxy() {
 157   return new AshKeyboardControllerProxy();
 158 }
 159
 160 void ChromeShellDelegate::VirtualKeyboardActivated(bool activated) {
 161   FOR_EACH_OBSERVER(ash::VirtualKeyboardStateObserver,
 162                     keyboard_state_observer_list_,
 163                     OnVirtualKeyboardStateChanged(activated));
 164 }
 165
 166 void ChromeShellDelegate::AddVirtualKeyboardStateObserver(
 167     ash::VirtualKeyboardStateObserver* observer) {
 168   keyboard_state_observer_list_.AddObserver(observer);
 169 }
 170
 171 void ChromeShellDelegate::RemoveVirtualKeyboardStateObserver(
 172     ash::VirtualKeyboardStateObserver* observer) {
 173   keyboard_state_observer_list_.RemoveObserver(observer);
 174 }