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/aura/window.h"
  26 #include "ui/wm/core/input_method_event_filter.h"
  27
  28 namespace ash {
  29 namespace shell {
  30 namespace {
  31
  32 class NewWindowDelegateImpl : public NewWindowDelegate {
  33  public:
  34   NewWindowDelegateImpl() {}
  35   virtual ~NewWindowDelegateImpl() {}
  36
  37   // NewWindowDelegate:
  38   virtual void NewTab() OVERRIDE {}
  39   virtual void NewWindow(bool incognito) OVERRIDE {
  40     ash::shell::ToplevelWindow::CreateParams create_params;
  41     create_params.can_resize = true;
  42     create_params.can_maximize = true;
  43     ash::shell::ToplevelWindow::CreateToplevelWindow(create_params);
  44   }
  45   virtual void OpenFileManager() OVERRIDE {}
  46   virtual void OpenCrosh() OVERRIDE {}
  47   virtual void RestoreTab() OVERRIDE {}
  48   virtual void ShowKeyboardOverlay() OVERRIDE {}
  49   virtual void ShowTaskManager() OVERRIDE {}
  50   virtual void OpenFeedbackPage() OVERRIDE {}
  51
  52  private:
  53   DISALLOW_COPY_AND_ASSIGN(NewWindowDelegateImpl);
  54 };
  55
  56 class MediaDelegateImpl : public MediaDelegate {
  57  public:
  58   MediaDelegateImpl() {}
  59   virtual ~MediaDelegateImpl() {}
  60
  61   // MediaDelegate:
  62   virtual void HandleMediaNextTrack() OVERRIDE {}
  63   virtual void HandleMediaPlayPause() OVERRIDE {}
  64   virtual void HandleMediaPrevTrack() OVERRIDE {}
  65   virtual MediaCaptureState GetMediaCaptureState(
  66       content::BrowserContext* context) OVERRIDE {
  67     return MEDIA_CAPTURE_VIDEO;
  68   }
  69
  70  private:
  71   DISALLOW_COPY_AND_ASSIGN(MediaDelegateImpl);
  72 };
  73
  74 class SessionStateDelegateImpl : public SessionStateDelegate {
  75  public:
  76   SessionStateDelegateImpl()
  77       : screen_locked_(false), user_info_(new user_manager::UserInfoImpl()) {}
  78
  79   virtual ~SessionStateDelegateImpl() {}
  80
  81   // SessionStateDelegate:
  82   virtual content::BrowserContext* GetBrowserContextByIndex(
  83       MultiProfileIndex index) OVERRIDE {
  84     return Shell::GetInstance()->delegate()->GetActiveBrowserContext();
  85   }
  86   virtual content::BrowserContext* GetBrowserContextForWindow(
  87       aura::Window* window) OVERRIDE {
  88     return Shell::GetInstance()->delegate()->GetActiveBrowserContext();
  89   }
  90   virtual int GetMaximumNumberOfLoggedInUsers() const OVERRIDE { return 3; }
  91   virtual int NumberOfLoggedInUsers() const OVERRIDE {
  92     // ash_shell has 2 users.
  93     return 2;
  94   }
  95   virtual bool IsActiveUserSessionStarted() const OVERRIDE { return true; }
  96   virtual bool CanLockScreen() const OVERRIDE { return true; }
  97   virtual bool IsScreenLocked() const OVERRIDE { return screen_locked_; }
  98   virtual bool ShouldLockScreenBeforeSuspending() const OVERRIDE {
  99     return false;
 100   }
 101   virtual void LockScreen() OVERRIDE {
 102     shell::CreateLockScreen();
 103     screen_locked_ = true;
 104     Shell::GetInstance()->UpdateShelfVisibility();
 105   }
 106   virtual void UnlockScreen() OVERRIDE {
 107     screen_locked_ = false;
 108     Shell::GetInstance()->UpdateShelfVisibility();
 109   }
 110   virtual bool IsUserSessionBlocked() const OVERRIDE {
 111     return !IsActiveUserSessionStarted() || IsScreenLocked();
 112   }
 113   virtual 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   virtual const user_manager::UserInfo* GetUserInfo(
 119       MultiProfileIndex index) const OVERRIDE {
 120     return user_info_.get();
 121   }
 122   virtual const user_manager::UserInfo* GetUserInfo(
 123       content::BrowserContext* context) const OVERRIDE {
 124     return user_info_.get();
 125   }
 126   virtual bool ShouldShowAvatar(aura::Window* window) const OVERRIDE {
 127     return !user_info_->GetImage().isNull();
 128   }
 129   virtual void SwitchActiveUser(const std::string& user_id) OVERRIDE {}
 130   virtual void CycleActiveUser(CycleUser cycle_user) OVERRIDE {}
 131   virtual void AddSessionStateObserver(
 132       ash::SessionStateObserver* observer) OVERRIDE {}
 133   virtual void RemoveSessionStateObserver(
 134       ash::SessionStateObserver* observer) OVERRIDE {}
 135
 136  private:
 137   bool screen_locked_;
 138
 139   // A pseudo user info.
 140   scoped_ptr<user_manager::UserInfo> user_info_;
 141
 142   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateImpl);
 143 };
 144
 145 }  // namespace
 146
 147 ShellDelegateImpl::ShellDelegateImpl()
 148     : watcher_(NULL),
 149       shelf_delegate_(NULL),
 150       browser_context_(NULL) {
 151 }
 152
 153 ShellDelegateImpl::~ShellDelegateImpl() {
 154 }
 155
 156 void ShellDelegateImpl::SetWatcher(WindowWatcher* watcher) {
 157   watcher_ = watcher;
 158   if (shelf_delegate_)
 159     shelf_delegate_->set_watcher(watcher);
 160 }
 161
 162 bool ShellDelegateImpl::IsFirstRunAfterBoot() const {
 163   return false;
 164 }
 165
 166 bool ShellDelegateImpl::IsIncognitoAllowed() const {
 167   return true;
 168 }
 169
 170 bool ShellDelegateImpl::IsMultiProfilesEnabled() const {
 171   return false;
 172 }
 173
 174 bool ShellDelegateImpl::IsRunningInForcedAppMode() const {
 175   return false;
 176 }
 177
 178 bool ShellDelegateImpl::IsMultiAccountEnabled() const {
 179   return false;
 180 }
 181
 182 void ShellDelegateImpl::PreInit() {
 183 }
 184
 185 void ShellDelegateImpl::PreShutdown() {
 186 }
 187
 188 void ShellDelegateImpl::Exit() {
 189   base::MessageLoopForUI::current()->Quit();
 190 }
 191
 192 keyboard::KeyboardControllerProxy*
 193     ShellDelegateImpl::CreateKeyboardControllerProxy() {
 194   return new KeyboardControllerProxyStub();
 195 }
 196
 197 void ShellDelegateImpl::VirtualKeyboardActivated(bool activated) {
 198 }
 199
 200 void ShellDelegateImpl::AddVirtualKeyboardStateObserver(
 201     VirtualKeyboardStateObserver* observer) {
 202 }
 203
 204 void ShellDelegateImpl::RemoveVirtualKeyboardStateObserver(
 205     VirtualKeyboardStateObserver* observer) {
 206 }
 207
 208 content::BrowserContext* ShellDelegateImpl::GetActiveBrowserContext() {
 209   return browser_context_;
 210 }
 211
 212 app_list::AppListViewDelegate* ShellDelegateImpl::CreateAppListViewDelegate() {
 213   return ash::shell::CreateAppListViewDelegate();
 214 }
 215
 216 ShelfDelegate* ShellDelegateImpl::CreateShelfDelegate(ShelfModel* model) {
 217   shelf_delegate_ = new ShelfDelegateImpl(watcher_);
 218   return shelf_delegate_;
 219 }
 220
 221 ash::SystemTrayDelegate* ShellDelegateImpl::CreateSystemTrayDelegate() {
 222   return new DefaultSystemTrayDelegate;
 223 }
 224
 225 ash::UserWallpaperDelegate* ShellDelegateImpl::CreateUserWallpaperDelegate() {
 226   return new DefaultUserWallpaperDelegate();
 227 }
 228
 229 ash::SessionStateDelegate* ShellDelegateImpl::CreateSessionStateDelegate() {
 230   return new SessionStateDelegateImpl;
 231 }
 232
 233 ash::AccessibilityDelegate* ShellDelegateImpl::CreateAccessibilityDelegate() {
 234   return new DefaultAccessibilityDelegate;
 235 }
 236
 237 ash::NewWindowDelegate* ShellDelegateImpl::CreateNewWindowDelegate() {
 238   return new NewWindowDelegateImpl;
 239 }
 240
 241 ash::MediaDelegate* ShellDelegateImpl::CreateMediaDelegate() {
 242   return new MediaDelegateImpl;
 243 }
 244
 245 ui::MenuModel* ShellDelegateImpl::CreateContextMenu(
 246     aura::Window* root,
 247     ash::ShelfItemDelegate* item_delegate,
 248     ash::ShelfItem* item) {
 249   return new ContextMenu(root);
 250 }
 251
 252 GPUSupport* ShellDelegateImpl::CreateGPUSupport() {
 253   // Real GPU support depends on src/content, so just use a stub.
 254   return new GPUSupportStub;
 255 }
 256
 257 base::string16 ShellDelegateImpl::GetProductName() const {
 258   return base::string16();
 259 }
 260
 261 }  // namespace shell
 262 }  // namespace ash