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 "ash/content_support/gpu_support_impl.h"
   8 #include "ash/wm/window_state.h"
   9 #include "ash/wm/window_util.h"
  10 #include "chrome/browser/app_mode/app_mode_utils.h"
  11 #include "chrome/browser/lifetime/application_lifetime.h"
  12 #include "chrome/browser/profiles/profile_manager.h"
  13 #include "chrome/browser/profiles/profiles_state.h"
  14 #include "chrome/browser/ui/app_list/app_list_view_delegate.h"
  15 #include "chrome/browser/ui/ash/app_list/app_list_service_ash.h"
  16 #include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
  17 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  18 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
  19 #include "chrome/browser/ui/browser_commands.h"
  20 #include "chrome/grit/chromium_strings.h"
  21 #include "components/signin/core/common/profile_management_switches.h"
  22 #include "ui/base/l10n/l10n_util.h"
  23
  24 #if defined(OS_CHROMEOS)
  25 #include "base/prefs/pref_service.h"
  26 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  27 #include "chrome/browser/chromeos/display/display_configuration_observer.h"
  28 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  29 #include "chrome/browser/profiles/profile.h"
  30 #include "chrome/common/pref_names.h"
  31 #include "components/user_manager/user.h"
  32 #include "components/user_manager/user_manager.h"
  33 #endif
  34
  35 // static
  36 ChromeShellDelegate* ChromeShellDelegate::instance_ = NULL;
  37
  38 ChromeShellDelegate::ChromeShellDelegate()
  39     : shelf_delegate_(NULL) {
  40   instance_ = this;
  41   PlatformInit();
  42 }
  43
  44 ChromeShellDelegate::~ChromeShellDelegate() {
  45   if (instance_ == this)
  46     instance_ = NULL;
  47 }
  48
  49 bool ChromeShellDelegate::IsMultiProfilesEnabled() const {
  50   if (!profiles::IsMultipleProfilesEnabled())
  51     return false;
  52 #if defined(OS_CHROMEOS)
  53   // If there is a user manager, we need to see that we can at least have 2
  54   // simultaneous users to allow this feature.
  55   if (!user_manager::UserManager::IsInitialized())
  56     return false;
  57   size_t admitted_users_to_be_added =
  58       user_manager::UserManager::Get()->GetUsersAllowedForMultiProfile().size();
  59   size_t logged_in_users =
  60       user_manager::UserManager::Get()->GetLoggedInUsers().size();
  61   if (!logged_in_users) {
  62     // The shelf gets created on the login screen and as such we have to create
  63     // all multi profile items of the the system tray menu before the user logs
  64     // in. For special cases like Kiosk mode and / or guest mode this isn't a
  65     // problem since either the browser gets restarted and / or the flag is not
  66     // allowed, but for an "ephermal" user (see crbug.com/312324) it is not
  67     // decided yet if he could add other users to his session or not.
  68     // TODO(skuhne): As soon as the issue above needs to be resolved, this logic
  69     // should change.
  70     logged_in_users = 1;
  71   }
  72   if (admitted_users_to_be_added + logged_in_users <= 1)
  73     return false;
  74 #endif
  75   return true;
  76 }
  77
  78 bool ChromeShellDelegate::IsIncognitoAllowed() const {
  79 #if defined(OS_CHROMEOS)
  80   return chromeos::AccessibilityManager::Get()->IsIncognitoAllowed();
  81 #endif
  82   return true;
  83 }
  84
  85 bool ChromeShellDelegate::IsRunningInForcedAppMode() const {
  86   return chrome::IsRunningInForcedAppMode();
  87 }
  88
  89 bool ChromeShellDelegate::IsMultiAccountEnabled() const {
  90 #if defined(OS_CHROMEOS)
  91   return switches::IsEnableAccountConsistency();
  92 #endif
  93   return false;
  94 }
  95
  96 bool ChromeShellDelegate::IsForceMaximizeOnFirstRun() const {
  97 #if defined(OS_CHROMEOS)
  98   const user_manager::User* const user =
  99       user_manager::UserManager::Get()->GetActiveUser();
 100   if (user) {
 101     return chromeos::ProfileHelper::Get()
 102         ->GetProfileByUser(user)
 103         ->GetPrefs()
 104         ->GetBoolean(prefs::kForceMaximizeOnFirstRun);
 105   }
 106 #endif
 107   return false;
 108 }
 109
 110 void ChromeShellDelegate::Exit() {
 111   chrome::AttemptUserExit();
 112 }
 113
 114 content::BrowserContext* ChromeShellDelegate::GetActiveBrowserContext() {
 115 #if defined(OS_CHROMEOS)
 116   DCHECK(user_manager::UserManager::Get()->GetLoggedInUsers().size());
 117 #endif
 118   return ProfileManager::GetActiveUserProfile();
 119 }
 120
 121 app_list::AppListViewDelegate* ChromeShellDelegate::GetAppListViewDelegate() {
 122   DCHECK(ash::Shell::HasInstance());
 123   return AppListServiceAsh::GetInstance()->GetViewDelegate(
 124       Profile::FromBrowserContext(GetActiveBrowserContext()));
 125 }
 126
 127 ash::ShelfDelegate* ChromeShellDelegate::CreateShelfDelegate(
 128     ash::ShelfModel* model) {
 129   if (!shelf_delegate_) {
 130     shelf_delegate_ = ChromeLauncherController::CreateInstance(NULL, model);
 131     shelf_delegate_->Init();
 132   }
 133   return shelf_delegate_;
 134 }
 135
 136 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
 137     aura::Window* root,
 138     ash::ShelfItemDelegate* item_delegate,
 139     ash::ShelfItem* item) {
 140   DCHECK(shelf_delegate_);
 141   // Don't show context menu for exclusive app runtime mode.
 142   if (chrome::IsRunningInAppMode())
 143     return NULL;
 144
 145   if (item_delegate && item)
 146     return new LauncherContextMenu(shelf_delegate_, item_delegate, item, root);
 147
 148   return new LauncherContextMenu(shelf_delegate_, root);
 149 }
 150
 151 ash::GPUSupport* ChromeShellDelegate::CreateGPUSupport() {
 152   // Chrome uses real GPU support.
 153   return new ash::GPUSupportImpl;
 154 }
 155
 156 base::string16 ChromeShellDelegate::GetProductName() const {
 157   return l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
 158 }
 159
 160 keyboard::KeyboardControllerProxy*
 161     ChromeShellDelegate::CreateKeyboardControllerProxy() {
 162   return new AshKeyboardControllerProxy(
 163       ProfileManager::GetActiveUserProfile());
 164 }
 165
 166 void ChromeShellDelegate::VirtualKeyboardActivated(bool activated) {
 167   FOR_EACH_OBSERVER(ash::VirtualKeyboardStateObserver,
 168                     keyboard_state_observer_list_,
 169                     OnVirtualKeyboardStateChanged(activated));
 170 }
 171
 172 void ChromeShellDelegate::AddVirtualKeyboardStateObserver(
 173     ash::VirtualKeyboardStateObserver* observer) {
 174   keyboard_state_observer_list_.AddObserver(observer);
 175 }
 176
 177 void ChromeShellDelegate::RemoveVirtualKeyboardStateObserver(
 178     ash::VirtualKeyboardStateObserver* observer) {
 179   keyboard_state_observer_list_.RemoveObserver(observer);
 180 }