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// Copyright 2014 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 "components/session_manager/core/session_manager.h"
#include "base/logging.h"
#include "build/build_config.h"
#if defined(OS_CHROMEOS)
#include "base/command_line.h"
#include "base/sys_info.h"
#include "chromeos/chromeos_switches.h"
#endif
namespace session_manager {
// static
SessionManager* SessionManager::instance = NULL;
SessionManager::SessionManager() : session_state_(SESSION_STATE_UNKNOWN) {
DCHECK(!SessionManager::Get());
SessionManager::SetInstance(this);
}
SessionManager::~SessionManager() {
DCHECK(instance == this);
SessionManager::SetInstance(NULL);
}
// static
SessionManager* SessionManager::Get() {
return SessionManager::instance;
}
void SessionManager::SetSessionState(SessionState state) {
VLOG(1) << "Changing session state to: " << state;
if (session_state_ != state) {
// TODO(nkostylev): Notify observers about the state change.
// TODO(nkostylev): Add code to process session state change and probably
// replace delegate_ if needed.
session_state_ = state;
}
}
void SessionManager::Initialize(SessionManagerDelegate* delegate) {
DCHECK(delegate);
delegate_.reset(delegate);
delegate_->SetSessionManager(this);
}
// static
void SessionManager::SetInstance(SessionManager* session_manager) {
SessionManager::instance = session_manager;
}
void SessionManager::Start() {
delegate_->Start();
}
// static
bool SessionManager::HasBrowserRestarted() {
#if defined(OS_CHROMEOS)
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
return base::SysInfo::IsRunningOnChromeOS() &&
command_line->HasSwitch(chromeos::switches::kLoginUser);
#else
return false;
#endif
}
SessionManagerDelegate::SessionManagerDelegate() : session_manager_(NULL) {
}
SessionManagerDelegate::~SessionManagerDelegate() {
}
void SessionManagerDelegate::SetSessionManager(
session_manager::SessionManager* session_manager) {
session_manager_ = session_manager;
}
} // namespace session_manager
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