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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 WebSharedWorker_h | |
32 #define WebSharedWorker_h | |
33 | |
34 #include "../platform/WebCommon.h" | |
35 #include "WebContentSecurityPolicy.h" | |
36 | |
37 namespace WebCore { | |
38 class ScriptExecutionContext; | |
39 } | |
40 | |
41 namespace WebKit { | |
42 | |
43 class WebString; | |
44 class WebMessagePortChannel; | |
45 class WebSharedWorkerClient; | |
46 class WebURL; | |
47 | |
48 // This is the interface to a SharedWorker thread. | |
49 // Since SharedWorkers communicate entirely through MessagePorts this interface
only contains APIs for starting up a SharedWorker. | |
50 class WebSharedWorker { | |
51 public: | |
52 // Invoked from the worker thread to instantiate a WebSharedWorker that inte
racts with the WebKit worker components. | |
53 WEBKIT_EXPORT static WebSharedWorker* create(WebSharedWorkerClient*); | |
54 | |
55 virtual ~WebSharedWorker() {}; | |
56 | |
57 // Returns false if the thread hasn't been started yet (script loading has n
ot taken place). | |
58 // FIXME(atwilson): Remove this when we move the initial script loading into
the worker process. | |
59 virtual bool isStarted() = 0; | |
60 | |
61 virtual void startWorkerContext(const WebURL& scriptURL, | |
62 const WebString& name, | |
63 const WebString& userAgent, | |
64 const WebString& sourceCode, | |
65 const WebString& contentSecurityPolicy, | |
66 WebContentSecurityPolicyType, | |
67 long long scriptResourceAppCacheID) = 0; | |
68 | |
69 class ConnectListener { | |
70 public: | |
71 // Invoked once the connect event has been sent so the caller can free t
his object. | |
72 virtual void connected() = 0; | |
73 }; | |
74 | |
75 // Sends a connect event to the SharedWorker context. The listener is invoke
d when this async operation completes. | |
76 virtual void connect(WebMessagePortChannel*, ConnectListener*) = 0; | |
77 | |
78 // Invoked to shutdown the worker when there are no more associated document
s. | |
79 virtual void terminateWorkerContext() = 0; | |
80 | |
81 // Notification when the WebCommonWorkerClient is destroyed. | |
82 virtual void clientDestroyed() = 0; | |
83 | |
84 virtual void pauseWorkerContextOnStart() { } | |
85 virtual void resumeWorkerContext() { } | |
86 virtual void attachDevTools() { } | |
87 virtual void reattachDevTools(const WebString& savedState) { } | |
88 virtual void detachDevTools() { } | |
89 virtual void dispatchDevToolsMessage(const WebString&) { } | |
90 }; | |
91 | |
92 } // namespace WebKit | |
93 | |
94 #endif | |
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