content/browser/push_messaging_router.h

   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 #ifndef CONTENT_BROWSER_PUSH_MESSAGING_ROUTER_H_
   6 #define CONTENT_BROWSER_PUSH_MESSAGING_ROUTER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/common/service_worker/service_worker_status_code.h"
  11 #include "content/public/common/push_messaging_status.h"
  12 #include "url/gurl.h"
  13
  14 namespace content {
  15
  16 class BrowserContext;
  17 class ServiceWorkerContextWrapper;
  18 class ServiceWorkerRegistration;
  19
  20 class PushMessagingRouter {
  21  public:
  22   typedef base::Callback<void(PushMessagingStatus /* push_messaging_status */)>
  23       DeliverMessageCallback;
  24
  25   // Delivers a push message with |data| to the Service Worker identified by
  26   // |origin| and |service_worker_registration_id|. Must be called on the UI
  27   // thread.
  28   static void DeliverMessage(
  29       BrowserContext* browser_context,
  30       const GURL& origin,
  31       int64 service_worker_registration_id,
  32       const std::string& data,
  33       const DeliverMessageCallback& deliver_message_callback);
  34
  35  private:
  36   // Attempts to find a Service Worker registration so that a push event can be
  37   // dispatched. Must be called on the IO thread.
  38   static void FindServiceWorkerRegistration(
  39       const GURL& origin,
  40       int64 service_worker_registration_id,
  41       const std::string& data,
  42       const DeliverMessageCallback& deliver_message_callback,
  43       scoped_refptr<ServiceWorkerContextWrapper> service_worker_context);
  44
  45   // If a registration was successfully retrieved, dispatches a push event with
  46   // |data| on the Service Worker identified by |service_worker_registration|.
  47   // Must be called on the IO thread.
  48   static void FindServiceWorkerRegistrationCallback(
  49       const std::string& data,
  50       const DeliverMessageCallback& deliver_message_callback,
  51       ServiceWorkerStatusCode service_worker_status,
  52       const scoped_refptr<ServiceWorkerRegistration>&
  53           service_worker_registration);
  54
  55   // Gets called asynchronously after the Service Worker has dispatched the push
  56   // event. Must be called on the IO thread.
  57   static void DeliverMessageEnd(
  58       const DeliverMessageCallback& deliver_message_callback,
  59       const scoped_refptr<ServiceWorkerRegistration>&
  60           service_worker_registration,
  61       ServiceWorkerStatusCode service_worker_status);
  62
  63   DISALLOW_IMPLICIT_CONSTRUCTORS(PushMessagingRouter);
  64 };
  65
  66 }  // namespace content
  67
  68 #endif  // CONTENT_BROWSER_PUSH_MESSAGING_ROUTER_H_