chrome/service/cloud_print/cloud_print_token_store.cc

   1 // Copyright (c) 2011 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/service/cloud_print/cloud_print_token_store.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/threading/thread_local.h"
   9
  10 namespace cloud_print {
  11
  12 // Keep the global CloudPrintTokenStore in a TLS slot so it is impossible to
  13 // incorrectly from the wrong thread.
  14 static base::LazyInstance<base::ThreadLocalPointer<CloudPrintTokenStore> >
  15     lazy_tls = LAZY_INSTANCE_INITIALIZER;
  16
  17 CloudPrintTokenStore* CloudPrintTokenStore::current() {
  18   return lazy_tls.Pointer()->Get();
  19 }
  20
  21 CloudPrintTokenStore::CloudPrintTokenStore() {
  22   lazy_tls.Pointer()->Set(this);
  23 }
  24
  25 CloudPrintTokenStore::~CloudPrintTokenStore() {
  26   lazy_tls.Pointer()->Set(NULL);
  27 }
  28
  29 void CloudPrintTokenStore::SetToken(const std::string& token) {
  30   DCHECK(CalledOnValidThread());
  31   token_ = token;
  32 }
  33
  34 }  // namespace cloud_print