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