src/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerContainerClient.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 "ServiceWorkerContainerClient.h"
   7
   8 #include "core/dom/Document.h"
   9 #include "core/dom/ExecutionContext.h"
  10 #include "core/frame/LocalFrame.h"
  11 #include "core/loader/FrameLoaderClient.h"
  12 #include "core/workers/WorkerGlobalScope.h"
  13 #include "public/platform/WebServiceWorkerProvider.h"
  14
  15 namespace blink {
  16
  17 PassOwnPtrWillBeRawPtr<ServiceWorkerContainerClient> ServiceWorkerContainerClient::create(PassOwnPtr<WebServiceWorkerProvider> provider)
  18 {
  19     return adoptPtrWillBeNoop(new ServiceWorkerContainerClient(provider));
  20 }
  21
  22 ServiceWorkerContainerClient::~ServiceWorkerContainerClient()
  23 {
  24 }
  25
  26 const char* ServiceWorkerContainerClient::supplementName()
  27 {
  28     return "ServiceWorkerContainerClient";
  29 }
  30
  31 ServiceWorkerContainerClient* ServiceWorkerContainerClient::from(ExecutionContext* context)
  32 {
  33     if (context->isDocument()) {
  34         Document* document = toDocument(context);
  35         if (!document->frame())
  36             return 0;
  37
  38         ServiceWorkerContainerClient* client = static_cast<ServiceWorkerContainerClient*>(DocumentSupplement::from(document, supplementName()));
  39         if (client)
  40             return client;
  41
  42         // If it's not provided yet, create it lazily.
  43         document->DocumentSupplementable::provideSupplement(ServiceWorkerContainerClient::supplementName(), ServiceWorkerContainerClient::create(document->frame()->loader().client()->createServiceWorkerProvider()));
  44         return static_cast<ServiceWorkerContainerClient*>(DocumentSupplement::from(document, supplementName()));
  45     }
  46
  47     ASSERT(context->isWorkerGlobalScope());
  48     return static_cast<ServiceWorkerContainerClient*>(WillBeHeapSupplement<WorkerClients>::from(toWorkerGlobalScope(context)->clients(), supplementName()));
  49 }
  50
  51 ServiceWorkerContainerClient::ServiceWorkerContainerClient(PassOwnPtr<WebServiceWorkerProvider> provider)
  52     : m_provider(provider)
  53 {
  54 }
  55
  56 void provideServiceWorkerContainerClientToWorker(WorkerClients* clients, PassOwnPtr<WebServiceWorkerProvider> provider)
  57 {
  58     clients->provideSupplement(ServiceWorkerContainerClient::supplementName(), ServiceWorkerContainerClient::create(provider));
  59 }
  60
  61 } // namespace blink