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