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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_
69