athena/activity/activity_factory.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 "athena/activity/public/activity_factory.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace athena {
  10
  11 namespace {
  12
  13 ActivityFactory* instance = NULL;
  14
  15 }
  16
  17 // static
  18 void ActivityFactory::RegisterActivityFactory(ActivityFactory* factory) {
  19   DCHECK(!instance);
  20   instance = factory;
  21 }
  22
  23 // static
  24 ActivityFactory* ActivityFactory::Get() {
  25   DCHECK(instance);
  26   return instance;
  27 }
  28
  29 // static
  30 void ActivityFactory::Shutdown() {
  31   DCHECK(instance);
  32   delete instance;
  33   instance = NULL;
  34 }
  35
  36 }  // namespace athena