src/third_party/WebKit/Source/modules/serviceworkers/NavigatorServiceWorker.cpp

   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 "config.h"
   6 #include "modules/serviceworkers/NavigatorServiceWorker.h"
   7
   8 #include "core/frame/Navigator.h"
   9 #include "modules/serviceworkers/ServiceWorkerContainer.h"
  10
  11 namespace WebCore {
  12
  13 NavigatorServiceWorker::NavigatorServiceWorker(Navigator* navigator)
  14     : DOMWindowProperty(navigator->frame())
  15 {
  16 }
  17
  18 NavigatorServiceWorker::~NavigatorServiceWorker()
  19 {
  20 }
  21
  22 NavigatorServiceWorker* NavigatorServiceWorker::from(Navigator* navigator)
  23 {
  24     NavigatorServiceWorker* supplement = toNavigatorServiceWorker(navigator);
  25     if (!supplement) {
  26         supplement = new NavigatorServiceWorker(navigator);
  27         provideTo(navigator, supplementName(), adoptPtr(supplement));
  28     }
  29     return supplement;
  30 }
  31
  32 const char* NavigatorServiceWorker::supplementName()
  33 {
  34     return "NavigatorServiceWorker";
  35 }
  36
  37 ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker(Navigator* navigator)
  38 {
  39     return NavigatorServiceWorker::from(navigator)->serviceWorker();
  40 }
  41
  42 ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker()
  43 {
  44     if (!m_serviceWorker && frame())
  45         m_serviceWorker = ServiceWorkerContainer::create();
  46     return m_serviceWorker.get();
  47 }
  48
  49 } // namespace WebCore