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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef WebWorkerImpl_h | |
32 #define WebWorkerImpl_h | |
33 | |
34 #include "WebWorker.h" | |
35 | |
36 #if ENABLE(WORKERS) | |
37 | |
38 #include "ScriptExecutionContext.h" | |
39 | |
40 #include "WebWorkerBase.h" | |
41 | |
42 namespace WebKit { | |
43 class WebView; | |
44 | |
45 // This class is used by the worker process code to talk to the WebCore::Worker | |
46 // implementation. It can't use it directly since it uses WebKit types, so this | |
47 // class converts the data types. When the WebCore::Worker object wants to call | |
48 // WebCore::WorkerObjectProxy, this class will conver to Chrome data types first | |
49 // and then call the supplied WebWorkerClient. | |
50 class WebWorkerImpl : public WebWorkerBase, public WebWorker { | |
51 public: | |
52 explicit WebWorkerImpl(WebWorkerClient* client); | |
53 | |
54 // WebWorker methods: | |
55 virtual void startWorkerContext(const WebURL&, const WebString&, const WebString&); | |
56 virtual void terminateWorkerContext(); | |
57 virtual void postMessageToWorkerContext(const WebString&, const WebMessagePortChannelArray&); | |
58 virtual void workerObjectDestroyed(); | |
59 virtual void clientDestroyed(); | |
60 | |
61 // WebWorkerBase methods: | |
62 virtual WebWorkerClient* client() { return m_client; } | |
63 virtual WebCommonWorkerClient* commonClient(); | |
64 | |
65 private: | |
66 virtual ~WebWorkerImpl(); | |
67 | |
68 // Tasks that are run on the worker thread. | |
69 static void postMessageToWorkerContextTask( | |
70 WebCore::ScriptExecutionContext* context, | |
71 WebWorkerImpl* thisPtr, | |
72 const WebCore::String& message, | |
73 PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
74 | |
75 WebWorkerClient* m_client; | |
76 | |
77 }; | |
78 | |
79 } // namespace WebKit | |
80 | |
81 #endif // ENABLE(WORKERS) | |
82 | |
83 #endif | |
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