chrome/browser/signin/screenlock_bridge.cc

   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 "chrome/browser/signin/screenlock_bridge.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/browser/profiles/profile_window.h"
   9 #include "chrome/browser/signin/signin_manager_factory.h"
  10 #include "components/signin/core/browser/signin_manager.h"
  11
  12 #if defined(OS_CHROMEOS)
  13 #include "chromeos/dbus/dbus_thread_manager.h"
  14 #include "chromeos/dbus/session_manager_client.h"
  15 #endif
  16
  17 namespace {
  18
  19 base::LazyInstance<ScreenlockBridge> g_screenlock_bridge_bridge_instance =
  20     LAZY_INSTANCE_INITIALIZER;
  21
  22 }  // namespace
  23
  24 // static
  25 ScreenlockBridge* ScreenlockBridge::Get() {
  26   return g_screenlock_bridge_bridge_instance.Pointer();
  27 }
  28
  29 // static
  30 std::string ScreenlockBridge::GetAuthenticatedUserEmail(Profile* profile) {
  31   // |profile| has to be a signed-in profile with SigninManager already
  32   // created. Otherwise, just crash to collect stack.
  33   SigninManagerBase* signin_manager =
  34       SigninManagerFactory::GetForProfileIfExists(profile);
  35   return signin_manager->GetAuthenticatedUsername();
  36 }
  37
  38 ScreenlockBridge::ScreenlockBridge() : lock_handler_(NULL) {
  39 }
  40
  41 ScreenlockBridge::~ScreenlockBridge() {
  42 }
  43
  44 void ScreenlockBridge::SetLockHandler(LockHandler* lock_handler) {
  45   DCHECK(lock_handler_ == NULL || lock_handler == NULL);
  46   lock_handler_ = lock_handler;
  47   if (lock_handler_)
  48     FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidLock());
  49   else
  50     FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidUnlock());
  51 }
  52
  53 bool ScreenlockBridge::IsLocked() const {
  54   return lock_handler_ != NULL;
  55 }
  56
  57 void ScreenlockBridge::Lock(Profile* profile) {
  58 #if defined(OS_CHROMEOS)
  59   chromeos::SessionManagerClient* session_manager =
  60       chromeos::DBusThreadManager::Get()->GetSessionManagerClient();
  61   session_manager->RequestLockScreen();
  62 #else
  63   profiles::LockProfile(profile);
  64 #endif
  65 }
  66
  67 void ScreenlockBridge::Unlock(Profile* profile) {
  68   if (lock_handler_)
  69     lock_handler_->Unlock(GetAuthenticatedUserEmail(profile));
  70 }
  71
  72 void ScreenlockBridge::AddObserver(Observer* observer) {
  73   observers_.AddObserver(observer);
  74 }
  75
  76 void ScreenlockBridge::RemoveObserver(Observer* observer) {
  77   observers_.RemoveObserver(observer);
  78 }