src/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 "chrome/browser/app_mode/app_mode_utils.h"
  14 #include "chrome/browser/lifetime/application_lifetime.h"
  15 #include "chrome/browser/profiles/profile_manager.h"
  16 #include "chrome/browser/profiles/profiles_state.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 "components/signin/core/common/profile_management_switches.h"
  25 #include "grit/chromium_strings.h"
  26 #include "grit/generated_resources.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28
  29 #if defined(OS_CHROMEOS)
  30 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  31 #include "chrome/browser/chromeos/display/display_configuration_observer.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 = user_manager::UserManager::Get()
  58                                           ->GetUsersAdmittedForMultiProfile()
  59                                           .size();
  60   size_t logged_in_users =
  61       user_manager::UserManager::Get()->GetLoggedInUsers().size();
  62   if (!logged_in_users) {
  63     // The shelf gets created on the login screen and as such we have to create
  64     // all multi profile items of the the system tray menu before the user logs
  65     // in. For special cases like Kiosk mode and / or guest mode this isn't a
  66     // problem since either the browser gets restarted and / or the flag is not
  67     // allowed, but for an "ephermal" user (see crbug.com/312324) it is not
  68     // decided yet if he could add other users to his session or not.
  69     // TODO(skuhne): As soon as the issue above needs to be resolved, this logic
  70     // should change.
  71     logged_in_users = 1;
  72   }
  73   if (admitted_users_to_be_added + logged_in_users <= 1)
  74     return false;
  75 #endif
  76   return true;
  77 }
  78
  79 bool ChromeShellDelegate::IsIncognitoAllowed() const {
  80 #if defined(OS_CHROMEOS)
  81   return chromeos::AccessibilityManager::Get()->IsIncognitoAllowed();
  82 #endif
  83   return true;
  84 }
  85
  86 bool ChromeShellDelegate::IsRunningInForcedAppMode() const {
  87   return chrome::IsRunningInForcedAppMode();
  88 }
  89
  90 bool ChromeShellDelegate::IsMultiAccountEnabled() const {
  91 #if defined(OS_CHROMEOS)
  92   return switches::IsEnableAccountConsistency();
  93 #endif
  94   return false;
  95 }
  96
  97 void ChromeShellDelegate::Exit() {
  98   chrome::AttemptUserExit();
  99 }
 100
 101 content::BrowserContext* ChromeShellDelegate::GetActiveBrowserContext() {
 102 #if defined(OS_CHROMEOS)
 103   DCHECK(user_manager::UserManager::Get()->GetLoggedInUsers().size());
 104 #endif
 105   return ProfileManager::GetActiveUserProfile();
 106 }
 107
 108 app_list::AppListViewDelegate*
 109 ChromeShellDelegate::CreateAppListViewDelegate() {
 110   DCHECK(ash::Shell::HasInstance());
 111   // Shell will own the created delegate, and the delegate will own
 112   // the controller.
 113   return new AppListViewDelegate(
 114       Profile::FromBrowserContext(GetActiveBrowserContext()),
 115       AppListService::Get(chrome::HOST_DESKTOP_TYPE_ASH)->
 116       GetControllerDelegate());
 117 }
 118
 119 ash::ShelfDelegate* ChromeShellDelegate::CreateShelfDelegate(
 120     ash::ShelfModel* model) {
 121   if (!shelf_delegate_) {
 122     shelf_delegate_ = ChromeLauncherController::CreateInstance(NULL, model);
 123     shelf_delegate_->Init();
 124   }
 125   return shelf_delegate_;
 126 }
 127
 128 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
 129     aura::Window* root,
 130     ash::ShelfItemDelegate* item_delegate,
 131     ash::ShelfItem* item) {
 132   DCHECK(shelf_delegate_);
 133   // Don't show context menu for exclusive app runtime mode.
 134   if (chrome::IsRunningInAppMode())
 135     return NULL;
 136
 137   if (item_delegate && item)
 138     return new LauncherContextMenu(shelf_delegate_, item_delegate, item, root);
 139
 140   return new LauncherContextMenu(shelf_delegate_, root);
 141 }
 142
 143 ash::GPUSupport* ChromeShellDelegate::CreateGPUSupport() {
 144   // Chrome uses real GPU support.
 145   return new ash::GPUSupportImpl;
 146 }
 147
 148 base::string16 ChromeShellDelegate::GetProductName() const {
 149   return l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
 150 }
 151
 152 keyboard::KeyboardControllerProxy*
 153     ChromeShellDelegate::CreateKeyboardControllerProxy() {
 154   return new AshKeyboardControllerProxy();
 155 }
 156
 157 void ChromeShellDelegate::VirtualKeyboardActivated(bool activated) {
 158   FOR_EACH_OBSERVER(ash::VirtualKeyboardStateObserver,
 159                     keyboard_state_observer_list_,
 160                     OnVirtualKeyboardStateChanged(activated));
 161 }
 162
 163 void ChromeShellDelegate::AddVirtualKeyboardStateObserver(
 164     ash::VirtualKeyboardStateObserver* observer) {
 165   keyboard_state_observer_list_.AddObserver(observer);
 166 }
 167
 168 void ChromeShellDelegate::RemoveVirtualKeyboardStateObserver(
 169     ash::VirtualKeyboardStateObserver* observer) {
 170   keyboard_state_observer_list_.RemoveObserver(observer);
 171 }