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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebSharedWorker_h
#define WebSharedWorker_h
#include "WebCommon.h"
namespace WebKit {
class ScriptExecutionContext;
class WebString;
class WebMessagePortChannel;
class WebCommonWorkerClient;
class WebURL;
// This is the interface to a SharedWorker thread.
// Since SharedWorkers communicate entirely through MessagePorts this interface only contains APIs for starting up a SharedWorker.
class WebSharedWorker {
public:
// Invoked from the worker thread to instantiate a WebSharedWorker that interacts with the WebKit worker components.
WEBKIT_API static WebSharedWorker* create(WebCommonWorkerClient*);
virtual ~WebSharedWorker() {};
// Returns false if the thread hasn't been started yet (script loading has not taken place).
// FIXME(atwilson): Remove this when we move the initial script loading into the worker process.
virtual bool isStarted() = 0;
virtual void startWorkerContext(const WebURL& scriptURL,
const WebString& name,
const WebString& userAgent,
const WebString& sourceCode) = 0;
// Sends a connect event to the SharedWorker context.
virtual void connect(WebMessagePortChannel*) = 0;
// Invoked to shutdown the worker when there are no more associated documents.
virtual void terminateWorkerContext() = 0;
// Notification when the WebCommonWorkerClient is destroyed.
virtual void clientDestroyed() = 0;
};
} // namespace WebKit
#endif
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