content/child/service_worker/web_service_worker_provider_impl.cc

   1 // Copyright 2013 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 "content/child/service_worker/web_service_worker_provider_impl.h"
   6
   7 #include "content/child/service_worker/service_worker_dispatcher.h"
   8 #include "content/child/service_worker/service_worker_handle_reference.h"
   9 #include "content/child/service_worker/service_worker_provider_context.h"
  10 #include "content/child/service_worker/web_service_worker_impl.h"
  11 #include "content/child/thread_safe_sender.h"
  12 #include "third_party/WebKit/public/platform/WebServiceWorkerProviderClient.h"
  13 #include "third_party/WebKit/public/platform/WebURL.h"
  14
  15 using blink::WebURL;
  16
  17 namespace content {
  18
  19 WebServiceWorkerProviderImpl::WebServiceWorkerProviderImpl(
  20     ThreadSafeSender* thread_safe_sender,
  21     ServiceWorkerProviderContext* context)
  22     : thread_safe_sender_(thread_safe_sender),
  23       context_(context) {
  24 }
  25
  26 WebServiceWorkerProviderImpl::~WebServiceWorkerProviderImpl() {
  27   // Make sure the provider client is removed.
  28   RemoveProviderClient();
  29 }
  30
  31 void WebServiceWorkerProviderImpl::setClient(
  32     blink::WebServiceWorkerProviderClient* client) {
  33   if (!client) {
  34     RemoveProviderClient();
  35     return;
  36   }
  37
  38   // TODO(kinuko): Here we could also register the current thread ID
  39   // on the provider context so that multiple WebServiceWorkerProviderImpl
  40   // (e.g. on document and on dedicated workers) can properly share
  41   // the single provider context across threads. (http://crbug.com/366538
  42   // for more context)
  43   GetDispatcher()->AddProviderClient(context_->provider_id(), client);
  44
  45   if (!context_->controller())
  46     return;
  47   client->setController(
  48       GetDispatcher()->GetServiceWorker(context_->controller()->info(), false),
  49       false /* shouldNotifyControllerChange */);
  50 }
  51
  52 void WebServiceWorkerProviderImpl::registerServiceWorker(
  53     const WebURL& pattern,
  54     const WebURL& script_url,
  55     WebServiceWorkerRegistrationCallbacks* callbacks) {
  56   GetDispatcher()->RegisterServiceWorker(
  57       context_->provider_id(), pattern, script_url, callbacks);
  58 }
  59
  60 void WebServiceWorkerProviderImpl::unregisterServiceWorker(
  61     const WebURL& pattern,
  62     WebServiceWorkerUnregistrationCallbacks* callbacks) {
  63   GetDispatcher()->UnregisterServiceWorker(
  64       context_->provider_id(), pattern, callbacks);
  65 }
  66
  67 void WebServiceWorkerProviderImpl::getRegistration(
  68     const blink::WebURL& document_url,
  69     WebServiceWorkerRegistrationCallbacks* callbacks) {
  70   GetDispatcher()->GetRegistration(
  71       context_->provider_id(), document_url, callbacks);
  72 }
  73
  74 void WebServiceWorkerProviderImpl::getRegistrationForReady(
  75     WebServiceWorkerGetRegistrationForReadyCallbacks* callbacks) {
  76   GetDispatcher()->GetRegistrationForReady(context_->provider_id(), callbacks);
  77 }
  78
  79 void WebServiceWorkerProviderImpl::RemoveProviderClient() {
  80   // Remove the provider client, but only if the dispatcher is still there.
  81   // (For cleanup path we don't need to bother creating a new dispatcher)
  82   ServiceWorkerDispatcher* dispatcher =
  83       ServiceWorkerDispatcher::GetThreadSpecificInstance();
  84   if (dispatcher)
  85     dispatcher->RemoveProviderClient(context_->provider_id());
  86 }
  87
  88 ServiceWorkerDispatcher* WebServiceWorkerProviderImpl::GetDispatcher() {
  89   return ServiceWorkerDispatcher::GetOrCreateThreadSpecificInstance(
  90       thread_safe_sender_.get());
  91 }
  92
  93 }  // namespace content