Notify about major session changes events.

ash/session_state_delegate_stub.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/session_state_delegate_stub.h"
 
 #include "ash/shell.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell_delegate.h"
 #include "base/strings/string16.h"
@@ skipping 51 matching lines @@
 
 void SessionStateDelegateStub::UnlockScreen() {
   screen_locked_ = false;
   Shell::GetInstance()->UpdateShelfVisibility();
 }
 
 bool SessionStateDelegateStub::IsUserSessionBlocked() const  {
   return !IsActiveUserSessionStarted() || IsScreenLocked();
 }
 
+SessionStateDelegate::SessionState SessionStateDelegateStub::GetSessionState()
+    const {
+  // Assume that if session is not active we're at login.
+  return IsActiveUserSessionStarted() ?
+      SESSION_STATE_ACTIVE : SESSION_STATE_LOGIN_PRIMARY;
+}
+
 const base::string16 SessionStateDelegateStub::GetUserDisplayName(
     MultiProfileIndex index) const {
   return base::UTF8ToUTF16("stub-user");
 }
 
 const base::string16 SessionStateDelegateStub::GetUserGivenName(
     MultiProfileIndex index) const {
   return base::UTF8ToUTF16("Stub");
 }
 
@@ skipping 24 matching lines @@
 
 void SessionStateDelegateStub::AddSessionStateObserver(
     ash::SessionStateObserver* observer) {
 }
 
 void SessionStateDelegateStub::RemoveSessionStateObserver(
     ash::SessionStateObserver* observer) {
 }
 
 }  // namespace ash