src/content/browser/service_worker/service_worker_dispatcher_host.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/browser/service_worker/service_worker_dispatcher_host.h"
   6
   7 #include "content/browser/service_worker/service_worker_context.h"
   8 #include "content/common/service_worker_messages.h"
   9 #include "ipc/ipc_message_macros.h"
  10 #include "url/gurl.h"
  11
  12 namespace content {
  13
  14 ServiceWorkerDispatcherHost::ServiceWorkerDispatcherHost(
  15     int render_process_id,
  16     ServiceWorkerContext* context) : context_(context) {}
  17
  18 ServiceWorkerDispatcherHost::~ServiceWorkerDispatcherHost() {}
  19
  20 bool ServiceWorkerDispatcherHost::OnMessageReceived(const IPC::Message& message,
  21                                                     bool* message_was_ok) {
  22   if (IPC_MESSAGE_CLASS(message) != ServiceWorkerMsgStart)
  23     return false;
  24
  25   bool handled = true;
  26   IPC_BEGIN_MESSAGE_MAP_EX(
  27     ServiceWorkerDispatcherHost, message, *message_was_ok)
  28     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_RegisterServiceWorker,
  29                         OnRegisterServiceWorker)
  30     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UnregisterServiceWorker,
  31                         OnUnregisterServiceWorker)
  32     IPC_MESSAGE_UNHANDLED(handled = false)
  33   IPC_END_MESSAGE_MAP()
  34
  35   return handled;
  36 }
  37
  38 // TODO(alecflett): Store the service_worker_id keyed by (domain+pattern,
  39 // script) so we don't always return a new service worker id.
  40 static int64 NextWorkerId() {
  41   static int64 service_worker_id = 0;
  42   return service_worker_id++;
  43 }
  44
  45 void ServiceWorkerDispatcherHost::OnRegisterServiceWorker(
  46     int32 thread_id,
  47     int32 request_id,
  48     const GURL& scope,
  49     const GURL& script_url) {
  50   // TODO(alecflett): add a ServiceWorker-specific policy query in
  51   // ChildProcessSecurityImpl. See http://crbug.com/311631.
  52
  53   // TODO(alecflett): Throw an error for origin mismatch, rather than
  54   // just returning.
  55   if (scope.GetOrigin() != script_url.GetOrigin())
  56     return;
  57
  58   Send(new ServiceWorkerMsg_ServiceWorkerRegistered(
  59       thread_id, request_id, NextWorkerId()));
  60 }
  61
  62 void ServiceWorkerDispatcherHost::OnUnregisterServiceWorker(int32 thread_id,
  63                                                             int32 request_id,
  64                                                             const GURL& scope) {
  65   // TODO(alecflett): add a ServiceWorker-specific policy query in
  66   // ChildProcessSecurityImpl. See http://crbug.com/311631.
  67
  68   Send(new ServiceWorkerMsg_ServiceWorkerUnregistered(thread_id, request_id));
  69 }
  70
  71 }  // namespace content