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