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Side by Side Diff: content/child/service_worker/service_worker_dispatcher.cc

Issue 25008006: Flush out initial [un]registerServiceWorker roundtrip (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix naming, other small nits Created 7 years, 2 months ago
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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/child/service_worker/service_worker_dispatcher.h"
6
7 #include "base/lazy_instance.h"
8 #include "base/threading/thread_local.h"
9 #include "content/child/service_worker/web_service_worker_impl.h"
10 #include "content/child/thread_safe_sender.h"
11 #include "content/common/service_worker_messages.h"
12 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
13
14 using WebKit::WebServiceWorkerProvider;
15 using base::ThreadLocalPointer;
16 using webkit_glue::WorkerTaskRunner;
17
18 namespace content {
19
20 static base::LazyInstance<ThreadLocalPointer<ServiceWorkerDispatcher> >::Leaky
21 g_dispatcher_tls = LAZY_INSTANCE_INITIALIZER;
22
23 ServiceWorkerDispatcher* const kHasBeenDeleted =
24 reinterpret_cast<ServiceWorkerDispatcher*>(0x1);
25
26 ServiceWorkerDispatcher::ServiceWorkerDispatcher(
27 ThreadSafeSender* thread_safe_sender)
28 : thread_safe_sender_(thread_safe_sender) {
29 g_dispatcher_tls.Pointer()->Set(this);
30 }
31
32 ServiceWorkerDispatcher::~ServiceWorkerDispatcher() {
33 g_dispatcher_tls.Pointer()->Set(kHasBeenDeleted);
34 }
35
36 void ServiceWorkerDispatcher::OnMessageReceived(const IPC::Message& msg) {
37 bool handled = true;
38 IPC_BEGIN_MESSAGE_MAP(ServiceWorkerDispatcher, msg)
39 IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerRegistered,
40 OnServiceWorkerRegistered)
41 IPC_MESSAGE_HANDLER(ServiceWorkerMsg_ServiceWorkerUnregistered,
42 OnServiceWorkerUnregistered)
43 IPC_MESSAGE_UNHANDLED(handled = false)
44 IPC_END_MESSAGE_MAP()
45 DCHECK(handled) << "Unhandled message:" << msg.type();
46 }
47
48 bool ServiceWorkerDispatcher::Send(IPC::Message* msg) {
49 return thread_safe_sender_->Send(msg);
50 }
51
52 static int CurrentWorkerId() {
53 return WorkerTaskRunner::Instance()->CurrentWorkerId();
54 }
55
56 void ServiceWorkerDispatcher::RegisterServiceWorker(
57 const WebKit::WebURL& origin,
58 const string16& pattern,
59 const GURL& scriptUrl,
60 WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks) {
61 DCHECK(callbacks);
62 int request_id = pending_callbacks_.Add(callbacks);
63 thread_safe_sender_->Send(new ServiceWorkerHostMsg_RegisterServiceWorker(
64 CurrentWorkerId(), request_id, origin, pattern, scriptUrl));
65 }
66
67 void ServiceWorkerDispatcher::UnregisterServiceWorker(
68 const WebKit::WebURL& origin,
69 const string16& pattern,
70 WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks) {
71 DCHECK(callbacks);
72 int request_id = pending_callbacks_.Add(callbacks);
73 thread_safe_sender_->Send(new ServiceWorkerHostMsg_UnregisterServiceWorker(
74 CurrentWorkerId(), request_id, origin, pattern));
75 }
76
77 ServiceWorkerDispatcher* ServiceWorkerDispatcher::ThreadSpecificInstance(
78 ThreadSafeSender* thread_safe_sender) {
79 if (g_dispatcher_tls.Pointer()->Get() == kHasBeenDeleted) {
80 NOTREACHED() << "Re-instantiating TLS ServiceWorkerDispatcher.";
81 g_dispatcher_tls.Pointer()->Set(NULL);
82 }
83 if (g_dispatcher_tls.Pointer()->Get())
84 return g_dispatcher_tls.Pointer()->Get();
85
86 ServiceWorkerDispatcher* dispatcher =
87 new ServiceWorkerDispatcher(thread_safe_sender);
88 if (WorkerTaskRunner::Instance()->CurrentWorkerId())
89 webkit_glue::WorkerTaskRunner::Instance()->AddStopObserver(dispatcher);
90 return dispatcher;
91 }
92
93 void ServiceWorkerDispatcher::OnServiceWorkerRegistered(
94 int32 thread_id,
95 int32 request_id,
96 int32 service_worker_id) {
97 WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks =
98 pending_callbacks_.Lookup(request_id);
99 DCHECK(callbacks);
100 if (!callbacks)
101 return;
102
103 // the browser has to generate the service_worker_id so the same
104 // worker can be called from different renderer contexts. However,
105 // the proxy object doesn't have to be consistent unless we require
kinuko 2013/10/09 12:13:25 nit: maybe 'proxy object' -> 'service worker objec
alecflett 2013/10/09 18:54:29 Done. (and clarified the language too)
106 // the DOM objects to be identical when there's a duplicate
107 // registration. So for now we mint a new object each time.
108 WebServiceWorkerImpl* worker =
109 new WebServiceWorkerImpl(service_worker_id, true);
110 callbacks->onSuccess(worker);
111 pending_callbacks_.Remove(request_id);
112 }
113
114 void ServiceWorkerDispatcher::OnServiceWorkerUnregistered(
115 int32 thread_id,
116 int32 request_id,
117 int32 service_worker_id) {
118 WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks =
119 pending_callbacks_.Lookup(request_id);
120 DCHECK(callbacks);
121 if (!callbacks)
122 return;
123
124 // see notes in ServiceWorkerRegistered
125 WebServiceWorkerImpl* worker =
126 new WebServiceWorkerImpl(service_worker_id, false);
127 callbacks->onSuccess(worker);
128 pending_callbacks_.Remove(request_id);
129 }
130
131 void ServiceWorkerDispatcher::OnWorkerRunLoopStopped() { delete this; }
132
133 } // namespace content
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