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[chromium-blink-merge.git] / content / child / background_sync / background_sync_provider_thread_proxy.h
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1 // Copyright 2015 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.
5 #ifndef CONTENT_CHILD_BACKGROUND_SYNC_BACKGROUND_SYNC_PROVIDER_THREAD_PROXY_H_
6 #define CONTENT_CHILD_BACKGROUND_SYNC_BACKGROUND_SYNC_PROVIDER_THREAD_PROXY_H_
8 #include "base/macros.h"
9 #include "content/child/worker_task_runner.h"
10 #include "third_party/WebKit/public/platform/modules/background_sync/WebSyncProvider.h"
12 namespace base {
13 class SingleThreadTaskRunner;
16 namespace content {
18 class BackgroundSyncProvider;
20 // BackgroundSyncProviderThreadProxy is a proxy to the BackgroundSyncProvider
21 // for callers running on a different thread than the main thread. There is one
22 // instance per worker thread.
24 // This class handles all of the thread switching, jumping to the main thread to
25 // call the WebSyncProvider methods, and wrapping the callbacks passed in with
26 // code to switch back to the original calling thread.
27 class BackgroundSyncProviderThreadProxy : public blink::WebSyncProvider,
28 public WorkerTaskRunner::Observer {
29 public:
30 static BackgroundSyncProviderThreadProxy* GetThreadInstance(
31 base::SingleThreadTaskRunner* main_thread_task_runner,
32 BackgroundSyncProvider* permissions_dispatcher);
34 // blink::WebSyncProvider implementation
35 void registerBackgroundSync(
36 const blink::WebSyncRegistration* options,
37 blink::WebServiceWorkerRegistration* service_worker_registration,
38 blink::WebSyncRegistrationCallbacks* callbacks);
39 void unregisterBackgroundSync(
40 blink::WebSyncRegistration::Periodicity periodicity,
41 int64_t id,
42 const blink::WebString& tag,
43 blink::WebServiceWorkerRegistration* service_worker_registration,
44 blink::WebSyncUnregistrationCallbacks* callbacks);
45 void getRegistration(
46 blink::WebSyncRegistration::Periodicity,
47 const blink::WebString& tag,
48 blink::WebServiceWorkerRegistration* service_worker_registration,
49 blink::WebSyncRegistrationCallbacks* callbacks);
50 void getRegistrations(
51 blink::WebSyncRegistration::Periodicity periodicity,
52 blink::WebServiceWorkerRegistration* service_worker_registration,
53 blink::WebSyncGetRegistrationsCallbacks* callbacks);
54 void getPermissionStatus(
55 blink::WebSyncRegistration::Periodicity periodicity,
56 blink::WebServiceWorkerRegistration* service_worker_registration,
57 blink::WebSyncGetPermissionStatusCallbacks* callbacks);
59 // WorkerTaskRunner::Observer implementation.
60 void OnWorkerRunLoopStopped() override;
62 private:
63 BackgroundSyncProviderThreadProxy(
64 base::SingleThreadTaskRunner* main_thread_task_runner,
65 BackgroundSyncProvider* sync_provider);
67 virtual ~BackgroundSyncProviderThreadProxy();
69 scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
71 // This belongs to the renderer main thread, (created by BlinkPlatformImpl)
72 // and so should outlive the BackgroundSyncProviderThreadProxy, which is
73 // created for a worker thread.
74 BackgroundSyncProvider* sync_provider_;
76 DISALLOW_COPY_AND_ASSIGN(BackgroundSyncProviderThreadProxy);
79 } // namespace content
81 #endif // CONTENT_CHILD_BACKGROUND_SYNC_BACKGROUND_SYNC_PROVIDER_THREAD_PROXY_H_