1// Copyright 2014 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 "components/session_manager/core/session_manager.h" 6 7#include "base/logging.h" 8 9#if defined(OS_CHROMEOS) 10#include "base/command_line.h" 11#include "base/sys_info.h" 12#include "chromeos/chromeos_switches.h" 13#endif 14 15namespace session_manager { 16 17// static 18SessionManager* SessionManager::instance = NULL; 19 20SessionManager::SessionManager() : session_state_(SESSION_STATE_UNKNOWN) { 21 DCHECK(!SessionManager::Get()); 22 SessionManager::SetInstance(this); 23} 24 25SessionManager::~SessionManager() { 26 DCHECK(instance == this); 27 SessionManager::SetInstance(NULL); 28} 29 30// static 31SessionManager* SessionManager::Get() { 32 return SessionManager::instance; 33} 34 35void SessionManager::SetSessionState(SessionState state) { 36 VLOG(1) << "Changing session state to: " << state; 37 38 if (session_state_ != state) { 39 // TODO(nkostylev): Notify observers about the state change. 40 // TODO(nkostylev): Add code to process session state change and probably 41 // replace delegate_ if needed. 42 session_state_ = state; 43 } 44} 45 46void SessionManager::Initialize(SessionManagerDelegate* delegate) { 47 DCHECK(delegate); 48 delegate_.reset(delegate); 49 delegate_->SetSessionManager(this); 50} 51 52// static 53void SessionManager::SetInstance(SessionManager* session_manager) { 54 SessionManager::instance = session_manager; 55} 56 57void SessionManager::Start() { 58 delegate_->Start(); 59} 60 61// static 62bool SessionManager::HasBrowserRestarted() { 63#if defined(OS_CHROMEOS) 64 CommandLine* command_line = CommandLine::ForCurrentProcess(); 65 return base::SysInfo::IsRunningOnChromeOS() && 66 command_line->HasSwitch(chromeos::switches::kLoginUser); 67#else 68 return false; 69#endif 70} 71 72SessionManagerDelegate::SessionManagerDelegate() : session_manager_(NULL) { 73} 74 75SessionManagerDelegate::~SessionManagerDelegate() { 76} 77 78void SessionManagerDelegate::SetSessionManager( 79 session_manager::SessionManager* session_manager) { 80 session_manager_ = session_manager; 81} 82 83} // namespace session_manager 84