ui/message_center/message_center.cc

   1 // Copyright (c) 2012 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 "ui/message_center/message_center.h"
   6
   7 #include "base/observer_list.h"
   8 #include "ui/message_center/message_center_impl.h"
   9
  10 namespace message_center {
  11
  12 //------------------------------------------------------------------------------
  13
  14 namespace {
  15 static MessageCenter* g_message_center = NULL;
  16 }
  17
  18 // static
  19 void MessageCenter::Initialize() {
  20   DCHECK(g_message_center == NULL);
  21   g_message_center = new MessageCenterImpl();
  22 }
  23
  24 // static
  25 MessageCenter* MessageCenter::Get() {
  26   DCHECK(g_message_center);
  27   return g_message_center;
  28 }
  29
  30 // static
  31 void MessageCenter::Shutdown() {
  32   DCHECK(g_message_center);
  33   delete g_message_center;
  34   g_message_center = NULL;
  35 }
  36
  37 MessageCenter::MessageCenter() {
  38 }
  39
  40 MessageCenter::~MessageCenter() {
  41 }
  42
  43 }  // namespace message_center