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 "base/atomic_sequence_num.h"
   8 #include "base/logging.h"
   9 #include "content/child/child_thread.h"
  10 #include "content/child/service_worker/service_worker_dispatcher.h"
  11 #include "content/child/thread_safe_sender.h"
  12 #include "content/common/service_worker/service_worker_messages.h"
  13 #include "third_party/WebKit/public/platform/WebURL.h"
  14
  15 using blink::WebURL;
  16
  17 namespace content {
  18
  19 namespace {
  20
  21 // Must be unique in the child process.
  22 int GetNextProviderId() {
  23   static base::StaticAtomicSequenceNumber sequence;
  24   return sequence.GetNext() + 1;  // We want to start at 1.
  25 }
  26
  27 }  // namespace
  28
  29 WebServiceWorkerProviderImpl::WebServiceWorkerProviderImpl(
  30     ThreadSafeSender* thread_safe_sender,
  31     scoped_ptr<blink::WebServiceWorkerProviderClient> client)
  32     : provider_id_(GetNextProviderId()),
  33       thread_safe_sender_(thread_safe_sender),
  34       client_(client.Pass()) {
  35   thread_safe_sender_->Send(
  36       new ServiceWorkerHostMsg_ProviderCreated(provider_id_));
  37 }
  38
  39 WebServiceWorkerProviderImpl::~WebServiceWorkerProviderImpl() {
  40   thread_safe_sender_->Send(
  41       new ServiceWorkerHostMsg_ProviderDestroyed(provider_id_));
  42 }
  43
  44 void WebServiceWorkerProviderImpl::registerServiceWorker(
  45     const WebURL& pattern,
  46     const WebURL& script_url,
  47     WebServiceWorkerCallbacks* callbacks) {
  48   ServiceWorkerDispatcher::ThreadSpecificInstance(thread_safe_sender_)
  49       ->RegisterServiceWorker(pattern, script_url, callbacks);
  50 }
  51
  52 void WebServiceWorkerProviderImpl::unregisterServiceWorker(
  53     const WebURL& pattern,
  54     WebServiceWorkerCallbacks* callbacks) {
  55   ServiceWorkerDispatcher::ThreadSpecificInstance(thread_safe_sender_)
  56       ->UnregisterServiceWorker(pattern, callbacks);
  57 }
  58
  59 }  // namespace content