content/browser/push_messaging_router.cc

   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 "content/browser/push_messaging_router.h"
   6
   7 #include "base/bind.h"
   8 #include "content/browser/service_worker/service_worker_context_wrapper.h"
   9 #include "content/browser/service_worker/service_worker_registration.h"
  10 #include "content/browser/service_worker/service_worker_storage.h"
  11 #include "content/public/browser/browser_context.h"
  12 #include "content/public/browser/browser_thread.h"
  13 #include "content/public/browser/storage_partition.h"
  14
  15 namespace content {
  16
  17 // static
  18 void PushMessagingRouter::DeliverMessage(
  19     BrowserContext* browser_context,
  20     const GURL& origin,
  21     int64 service_worker_registration_id,
  22     const std::string& data,
  23     const DeliverMessageCallback& deliver_message_callback) {
  24   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  25   StoragePartition* partition =
  26       BrowserContext::GetStoragePartitionForSite(browser_context, origin);
  27   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context =
  28       static_cast<ServiceWorkerContextWrapper*>(
  29           partition->GetServiceWorkerContext());
  30   BrowserThread::PostTask(
  31       BrowserThread::IO,
  32       FROM_HERE,
  33       base::Bind(&PushMessagingRouter::FindServiceWorkerRegistration,
  34                  origin,
  35                  service_worker_registration_id,
  36                  data,
  37                  deliver_message_callback,
  38                  service_worker_context));
  39 }
  40
  41 // static
  42 void PushMessagingRouter::FindServiceWorkerRegistration(
  43     const GURL& origin,
  44     int64 service_worker_registration_id,
  45     const std::string& data,
  46     const DeliverMessageCallback& deliver_message_callback,
  47     scoped_refptr<ServiceWorkerContextWrapper> service_worker_context) {
  48   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  49   // Try to acquire the registration from storage. If it's already live we'll
  50   // receive it right away. If not, it will be revived from storage.
  51   service_worker_context->context()->storage()->FindRegistrationForId(
  52       service_worker_registration_id,
  53       origin,
  54       base::Bind(&PushMessagingRouter::FindServiceWorkerRegistrationCallback,
  55                  data,
  56                  deliver_message_callback));
  57 }
  58
  59 // static
  60 void PushMessagingRouter::FindServiceWorkerRegistrationCallback(
  61     const std::string& data,
  62     const DeliverMessageCallback& deliver_message_callback,
  63     ServiceWorkerStatusCode service_worker_status,
  64     const scoped_refptr<ServiceWorkerRegistration>&
  65         service_worker_registration) {
  66   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  67   if (service_worker_status == SERVICE_WORKER_OK) {
  68     // Hold on to the service worker registration in the callback to keep it
  69     // alive until the callback dies. Otherwise the registration could be
  70     // released when this method returns - before the event is delivered to the
  71     // service worker.
  72     base::Callback<void(ServiceWorkerStatusCode)> dispatch_event_callback =
  73         base::Bind(&PushMessagingRouter::DeliverMessageEnd,
  74                    deliver_message_callback,
  75                    service_worker_registration);
  76     service_worker_registration->active_version()->DispatchPushEvent(
  77         dispatch_event_callback, data);
  78   } else {
  79     // TODO(mvanouwerkerk): UMA logging.
  80     BrowserThread::PostTask(
  81         BrowserThread::UI,
  82         FROM_HERE,
  83         base::Bind(
  84             deliver_message_callback,
  85             PUSH_MESSAGING_STATUS_MESSAGE_DELIVERY_FAILED_NO_SERVICE_WORKER));
  86   }
  87 }
  88
  89 // static
  90 void PushMessagingRouter::DeliverMessageEnd(
  91     const DeliverMessageCallback& deliver_message_callback,
  92     const scoped_refptr<ServiceWorkerRegistration>& service_worker_registration,
  93     ServiceWorkerStatusCode service_worker_status) {
  94   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  95   // TODO(mvanouwerkerk): UMA logging.
  96   PushMessagingStatus push_messaging_status =
  97       service_worker_status == SERVICE_WORKER_OK
  98           ? PUSH_MESSAGING_STATUS_OK
  99           : PUSH_MESSAGING_STATUS_MESSAGE_DELIVERY_FAILED_SERVICE_WORKER_ERROR;
 100   BrowserThread::PostTask(
 101       BrowserThread::UI,
 102       FROM_HERE,
 103       base::Bind(deliver_message_callback, push_messaging_status));
 104 }
 105
 106 }  // namespace content