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/host/window_tree_host_factory.h"
  11 #include "ash/magnifier/magnifier_constants.h"
  12 #include "ash/wm/window_state.h"
  13 #include "ash/wm/window_util.h"
  14 #include "base/command_line.h"
  15 #include "chrome/browser/app_mode/app_mode_utils.h"
  16 #include "chrome/browser/lifetime/application_lifetime.h"
  17 #include "chrome/browser/profiles/profile_manager.h"
  18 #include "chrome/browser/ui/app_list/app_list_service.h"
  19 #include "chrome/browser/ui/app_list/app_list_view_delegate.h"
  20 #include "chrome/browser/ui/ash/app_list/app_list_controller_ash.h"
  21 #include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
  22 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  23 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
  24 #include "chrome/browser/ui/ash/user_action_handler.h"
  25 #include "chrome/browser/ui/browser_commands.h"
  26 #include "chrome/common/chrome_switches.h"
  27 #include "grit/chromium_strings.h"
  28 #include "grit/generated_resources.h"
  29 #include "ui/base/l10n/l10n_util.h"
  30
  31 #if defined(OS_CHROMEOS)
  32 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  33 #include "chrome/browser/chromeos/display/display_configuration_observer.h"
  34 #include "chrome/browser/chromeos/login/user_manager.h"
  35 #endif
  36
  37 // static
  38 ChromeShellDelegate* ChromeShellDelegate::instance_ = NULL;
  39
  40 ChromeShellDelegate::ChromeShellDelegate()
  41     : shelf_delegate_(NULL) {
  42   instance_ = this;
  43   PlatformInit();
  44 }
  45
  46 ChromeShellDelegate::~ChromeShellDelegate() {
  47   if (instance_ == this)
  48     instance_ = NULL;
  49 }
  50
  51 bool ChromeShellDelegate::IsMultiProfilesEnabled() const {
  52   // TODO(skuhne): There is a function named profiles::IsMultiProfilesEnabled
  53   // which does similar things - but it is not the same. We should investigate
  54   // if these two could be folded together.
  55   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kMultiProfiles))
  56     return false;
  57 #if defined(OS_CHROMEOS)
  58   // If there is a user manager, we need to see that we can at least have 2
  59   // simultaneous users to allow this feature.
  60   if (!chromeos::UserManager::IsInitialized())
  61     return false;
  62   size_t admitted_users_to_be_added =
  63       chromeos::UserManager::Get()->GetUsersAdmittedForMultiProfile().size();
  64   size_t logged_in_users =
  65       chromeos::UserManager::Get()->GetLoggedInUsers().size();
  66   if (!logged_in_users) {
  67     // The shelf gets created on the login screen and as such we have to create
  68     // all multi profile items of the the system tray menu before the user logs
  69     // in. For special cases like Kiosk mode and / or guest mode this isn't a
  70     // problem since either the browser gets restarted and / or the flag is not
  71     // allowed, but for an "ephermal" user (see crbug.com/312324) it is not
  72     // decided yet if he could add other users to his session or not.
  73     // TODO(skuhne): As soon as the issue above needs to be resolved, this logic
  74     // should change.
  75     logged_in_users = 1;
  76   }
  77   if (admitted_users_to_be_added + logged_in_users <= 1)
  78     return false;
  79 #endif
  80   return true;
  81 }
  82
  83 bool ChromeShellDelegate::IsIncognitoAllowed() const {
  84 #if defined(OS_CHROMEOS)
  85   return chromeos::AccessibilityManager::Get()->IsIncognitoAllowed();
  86 #endif
  87   return true;
  88 }
  89
  90 bool ChromeShellDelegate::IsRunningInForcedAppMode() const {
  91   return chrome::IsRunningInForcedAppMode();
  92 }
  93
  94 void ChromeShellDelegate::Exit() {
  95   chrome::AttemptUserExit();
  96 }
  97
  98 content::BrowserContext* ChromeShellDelegate::GetActiveBrowserContext() {
  99 #if defined(OS_CHROMEOS)
 100   DCHECK(chromeos::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   // TODO(oshima): This is currently broken with multiple launchers.
 119   // Refactor so that there is just one launcher delegate in the
 120   // shell.
 121   if (!shelf_delegate_) {
 122     shelf_delegate_ = ChromeLauncherController::CreateInstance(NULL, model);
 123     shelf_delegate_->Init();
 124   }
 125   return shelf_delegate_;
 126 }
 127
 128 aura::client::UserActionClient* ChromeShellDelegate::CreateUserActionClient() {
 129   return new UserActionHandler;
 130 }
 131
 132 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
 133     aura::Window* root,
 134     ash::ShelfItemDelegate* item_delegate,
 135     ash::ShelfItem* item) {
 136   DCHECK(shelf_delegate_);
 137   // Don't show context menu for exclusive app runtime mode.
 138   if (chrome::IsRunningInAppMode())
 139     return NULL;
 140
 141   if (item_delegate && item)
 142     return new LauncherContextMenu(shelf_delegate_, item_delegate, item, root);
 143
 144   return new LauncherContextMenu(shelf_delegate_, root);
 145 }
 146
 147 ash::WindowTreeHostFactory* ChromeShellDelegate::CreateWindowTreeHostFactory() {
 148   return ash::WindowTreeHostFactory::Create();
 149 }
 150
 151 ash::GPUSupport* ChromeShellDelegate::CreateGPUSupport() {
 152   // Chrome uses real GPU support.
 153   return new ash::GPUSupportImpl;
 154 }
 155
 156 base::string16 ChromeShellDelegate::GetProductName() const {
 157   return l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
 158 }
 159
 160 keyboard::KeyboardControllerProxy*
 161     ChromeShellDelegate::CreateKeyboardControllerProxy() {
 162   return new AshKeyboardControllerProxy();
 163 }