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1 // Copyright (c) 2009 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 "chrome/renderer/websharedworker_proxy.h" | |
6 | |
7 #include "chrome/common/render_messages.h" | |
8 #include "content/common/webmessageportchannel_impl.h" | |
9 #include "content/common/worker_messages.h" | |
10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h" | |
11 | |
12 WebSharedWorkerProxy::WebSharedWorkerProxy(ChildThread* child_thread, | |
13 unsigned long long document_id, | |
14 bool exists, | |
15 int route_id, | |
16 int render_view_route_id) | |
17 : WebWorkerBase(child_thread, | |
18 document_id, | |
19 exists ? route_id : MSG_ROUTING_NONE, | |
20 render_view_route_id, | |
21 0), | |
22 pending_route_id_(route_id), | |
23 connect_listener_(NULL) { | |
24 } | |
25 | |
26 bool WebSharedWorkerProxy::isStarted() { | |
27 return IsStarted(); | |
28 } | |
29 | |
30 void WebSharedWorkerProxy::startWorkerContext( | |
31 const WebKit::WebURL& script_url, | |
32 const WebKit::WebString& name, | |
33 const WebKit::WebString& user_agent, | |
34 const WebKit::WebString& source_code, | |
35 long long script_resource_appcache_id) { | |
36 DCHECK(!isStarted()); | |
37 CreateSharedWorkerContext(script_url, name, user_agent, source_code, | |
38 pending_route_id_, script_resource_appcache_id); | |
39 } | |
40 | |
41 void WebSharedWorkerProxy::terminateWorkerContext() { | |
42 // This API should only be invoked from worker context. | |
43 NOTREACHED(); | |
44 } | |
45 | |
46 void WebSharedWorkerProxy::clientDestroyed() { | |
47 // This API should only be invoked from worker context. | |
48 NOTREACHED(); | |
49 } | |
50 | |
51 void WebSharedWorkerProxy::connect(WebKit::WebMessagePortChannel* channel, | |
52 ConnectListener* listener) { | |
53 WebMessagePortChannelImpl* webchannel = | |
54 static_cast<WebMessagePortChannelImpl*>(channel); | |
55 | |
56 int message_port_id = webchannel->message_port_id(); | |
57 DCHECK(message_port_id != MSG_ROUTING_NONE); | |
58 webchannel->QueueMessages(); | |
59 | |
60 Send(new WorkerMsg_Connect(route_id_, message_port_id, MSG_ROUTING_NONE)); | |
61 if (HasQueuedMessages()) { | |
62 connect_listener_ = listener; | |
63 } else { | |
64 listener->connected(); | |
65 // The listener may free this object, so do not access the object after | |
66 // this point. | |
67 } | |
68 } | |
69 | |
70 bool WebSharedWorkerProxy::OnMessageReceived(const IPC::Message& message) { | |
71 bool handled = true; | |
72 IPC_BEGIN_MESSAGE_MAP(WebSharedWorkerProxy, message) | |
73 IPC_MESSAGE_HANDLER(ViewMsg_WorkerCreated, OnWorkerCreated) | |
74 IPC_MESSAGE_UNHANDLED(handled = false) | |
75 IPC_END_MESSAGE_MAP() | |
76 return handled; | |
77 } | |
78 | |
79 void WebSharedWorkerProxy::OnWorkerCreated() { | |
80 // The worker is created - now send off the CreateWorkerContext message and | |
81 // any other queued messages | |
82 SendQueuedMessages(); | |
83 | |
84 // Inform any listener that the pending connect event has been sent | |
85 // (this can result in this object being freed). | |
86 if (connect_listener_) { | |
87 connect_listener_->connected(); | |
88 } | |
89 } | |
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