ash/shell/shell_delegate_impl.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 "ash/shell/shell_delegate_impl.h"
   6
   7 #include "ash/accessibility_delegate.h"
   8 #include "ash/default_accessibility_delegate.h"
   9 #include "ash/default_user_wallpaper_delegate.h"
  10 #include "ash/gpu_support_stub.h"
  11 #include "ash/media_delegate.h"
  12 #include "ash/new_window_delegate.h"
  13 #include "ash/session/session_state_delegate.h"
  14 #include "ash/shell/context_menu.h"
  15 #include "ash/shell/example_factory.h"
  16 #include "ash/shell/keyboard_controller_proxy_stub.h"
  17 #include "ash/shell/shelf_delegate_impl.h"
  18 #include "ash/shell/toplevel_window.h"
  19 #include "ash/shell_window_ids.h"
  20 #include "ash/system/tray/default_system_tray_delegate.h"
  21 #include "ash/wm/window_state.h"
  22 #include "base/message_loop/message_loop.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "components/user_manager/user_info_impl.h"
  25 #include "ui/app_list/app_list_view_delegate.h"
  26 #include "ui/aura/window.h"
  27 #include "ui/wm/core/input_method_event_filter.h"
  28
  29 namespace ash {
  30 namespace shell {
  31 namespace {
  32
  33 class NewWindowDelegateImpl : public NewWindowDelegate {
  34  public:
  35   NewWindowDelegateImpl() {}
  36   ~NewWindowDelegateImpl() override {}
  37
  38   // NewWindowDelegate:
  39   void NewTab() override {}
  40   void NewWindow(bool incognito) override {
  41     ash::shell::ToplevelWindow::CreateParams create_params;
  42     create_params.can_resize = true;
  43     create_params.can_maximize = true;
  44     ash::shell::ToplevelWindow::CreateToplevelWindow(create_params);
  45   }
  46   void OpenFileManager() override {}
  47   void OpenCrosh() override {}
  48   void RestoreTab() override {}
  49   void ShowKeyboardOverlay() override {}
  50   void ShowTaskManager() override {}
  51   void OpenFeedbackPage() override {}
  52
  53  private:
  54   DISALLOW_COPY_AND_ASSIGN(NewWindowDelegateImpl);
  55 };
  56
  57 class MediaDelegateImpl : public MediaDelegate {
  58  public:
  59   MediaDelegateImpl() {}
  60   ~MediaDelegateImpl() override {}
  61
  62   // MediaDelegate:
  63   void HandleMediaNextTrack() override {}
  64   void HandleMediaPlayPause() override {}
  65   void HandleMediaPrevTrack() override {}
  66   MediaCaptureState GetMediaCaptureState(
  67       content::BrowserContext* context) override {
  68     return MEDIA_CAPTURE_VIDEO;
  69   }
  70
  71  private:
  72   DISALLOW_COPY_AND_ASSIGN(MediaDelegateImpl);
  73 };
  74
  75 class SessionStateDelegateImpl : public SessionStateDelegate {
  76  public:
  77   SessionStateDelegateImpl()
  78       : screen_locked_(false), user_info_(new user_manager::UserInfoImpl()) {}
  79
  80   ~SessionStateDelegateImpl() override {}
  81
  82   // SessionStateDelegate:
  83   content::BrowserContext* GetBrowserContextByIndex(
  84       MultiProfileIndex index) override {
  85     return Shell::GetInstance()->delegate()->GetActiveBrowserContext();
  86   }
  87   content::BrowserContext* GetBrowserContextForWindow(
  88       aura::Window* window) override {
  89     return Shell::GetInstance()->delegate()->GetActiveBrowserContext();
  90   }
  91   int GetMaximumNumberOfLoggedInUsers() const override { return 3; }
  92   int NumberOfLoggedInUsers() const override {
  93     // ash_shell has 2 users.
  94     return 2;
  95   }
  96   bool IsActiveUserSessionStarted() const override { return true; }
  97   bool CanLockScreen() const override { return true; }
  98   bool IsScreenLocked() const override { return screen_locked_; }
  99   bool ShouldLockScreenBeforeSuspending() const override { return false; }
 100   void LockScreen() override {
 101     shell::CreateLockScreen();
 102     screen_locked_ = true;
 103     Shell::GetInstance()->UpdateShelfVisibility();
 104   }
 105   void UnlockScreen() override {
 106     screen_locked_ = false;
 107     Shell::GetInstance()->UpdateShelfVisibility();
 108   }
 109   bool IsUserSessionBlocked() const override {
 110     return !IsActiveUserSessionStarted() || IsScreenLocked();
 111   }
 112   SessionState GetSessionState() const override {
 113     // Assume that if session is not active we're at login.
 114     return IsActiveUserSessionStarted() ? SESSION_STATE_ACTIVE
 115                                         : SESSION_STATE_LOGIN_PRIMARY;
 116   }
 117   const user_manager::UserInfo* GetUserInfo(
 118       MultiProfileIndex index) const override {
 119     return user_info_.get();
 120   }
 121   const user_manager::UserInfo* GetUserInfo(
 122       content::BrowserContext* context) const override {
 123     return user_info_.get();
 124   }
 125   bool ShouldShowAvatar(aura::Window* window) const override {
 126     return !user_info_->GetImage().isNull();
 127   }
 128   void SwitchActiveUser(const std::string& user_id) override {}
 129   void CycleActiveUser(CycleUser cycle_user) override {}
 130   bool IsMultiProfileAllowedByPrimaryUserPolicy() const override {
 131     return true;
 132   }
 133   void AddSessionStateObserver(ash::SessionStateObserver* observer) override {}
 134   void RemoveSessionStateObserver(
 135       ash::SessionStateObserver* observer) override {}
 136
 137  private:
 138   bool screen_locked_;
 139
 140   // A pseudo user info.
 141   scoped_ptr<user_manager::UserInfo> user_info_;
 142
 143   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateImpl);
 144 };
 145
 146 }  // namespace
 147
 148 ShellDelegateImpl::ShellDelegateImpl()
 149     : watcher_(NULL),
 150       shelf_delegate_(NULL),
 151       browser_context_(NULL) {
 152 }
 153
 154 ShellDelegateImpl::~ShellDelegateImpl() {
 155 }
 156
 157 void ShellDelegateImpl::SetWatcher(WindowWatcher* watcher) {
 158   watcher_ = watcher;
 159   if (shelf_delegate_)
 160     shelf_delegate_->set_watcher(watcher);
 161 }
 162
 163 bool ShellDelegateImpl::IsFirstRunAfterBoot() const {
 164   return false;
 165 }
 166
 167 bool ShellDelegateImpl::IsIncognitoAllowed() const {
 168   return true;
 169 }
 170
 171 bool ShellDelegateImpl::IsMultiProfilesEnabled() const {
 172   return false;
 173 }
 174
 175 bool ShellDelegateImpl::IsRunningInForcedAppMode() const {
 176   return false;
 177 }
 178
 179 bool ShellDelegateImpl::IsMultiAccountEnabled() const {
 180   return false;
 181 }
 182
 183 void ShellDelegateImpl::PreInit() {
 184 }
 185
 186 void ShellDelegateImpl::PreShutdown() {
 187 }
 188
 189 void ShellDelegateImpl::Exit() {
 190   base::MessageLoopForUI::current()->Quit();
 191 }
 192
 193 keyboard::KeyboardControllerProxy*
 194     ShellDelegateImpl::CreateKeyboardControllerProxy() {
 195   return new KeyboardControllerProxyStub();
 196 }
 197
 198 void ShellDelegateImpl::VirtualKeyboardActivated(bool activated) {
 199 }
 200
 201 void ShellDelegateImpl::AddVirtualKeyboardStateObserver(
 202     VirtualKeyboardStateObserver* observer) {
 203 }
 204
 205 void ShellDelegateImpl::RemoveVirtualKeyboardStateObserver(
 206     VirtualKeyboardStateObserver* observer) {
 207 }
 208
 209 content::BrowserContext* ShellDelegateImpl::GetActiveBrowserContext() {
 210   return browser_context_;
 211 }
 212
 213 app_list::AppListViewDelegate* ShellDelegateImpl::GetAppListViewDelegate() {
 214   if (!app_list_view_delegate_)
 215     app_list_view_delegate_.reset(ash::shell::CreateAppListViewDelegate());
 216   return app_list_view_delegate_.get();
 217 }
 218
 219 ShelfDelegate* ShellDelegateImpl::CreateShelfDelegate(ShelfModel* model) {
 220   shelf_delegate_ = new ShelfDelegateImpl(watcher_);
 221   return shelf_delegate_;
 222 }
 223
 224 ash::SystemTrayDelegate* ShellDelegateImpl::CreateSystemTrayDelegate() {
 225   return new DefaultSystemTrayDelegate;
 226 }
 227
 228 ash::UserWallpaperDelegate* ShellDelegateImpl::CreateUserWallpaperDelegate() {
 229   return new DefaultUserWallpaperDelegate();
 230 }
 231
 232 ash::SessionStateDelegate* ShellDelegateImpl::CreateSessionStateDelegate() {
 233   return new SessionStateDelegateImpl;
 234 }
 235
 236 ash::AccessibilityDelegate* ShellDelegateImpl::CreateAccessibilityDelegate() {
 237   return new DefaultAccessibilityDelegate;
 238 }
 239
 240 ash::NewWindowDelegate* ShellDelegateImpl::CreateNewWindowDelegate() {
 241   return new NewWindowDelegateImpl;
 242 }
 243
 244 ash::MediaDelegate* ShellDelegateImpl::CreateMediaDelegate() {
 245   return new MediaDelegateImpl;
 246 }
 247
 248 ui::MenuModel* ShellDelegateImpl::CreateContextMenu(
 249     aura::Window* root,
 250     ash::ShelfItemDelegate* item_delegate,
 251     ash::ShelfItem* item) {
 252   return new ContextMenu(root);
 253 }
 254
 255 GPUSupport* ShellDelegateImpl::CreateGPUSupport() {
 256   // Real GPU support depends on src/content, so just use a stub.
 257   return new GPUSupportStub;
 258 }
 259
 260 base::string16 ShellDelegateImpl::GetProductName() const {
 261   return base::string16();
 262 }
 263
 264 }  // namespace shell
 265 }  // namespace ash