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