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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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