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