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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 WorkerObjectProxy_h
#define WorkerObjectProxy_h
#include "core/dom/MessagePort.h"
#include "core/workers/WorkerReportingProxy.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"
namespace WebCore {
class ExecutionContext;
class ExecutionContextTask;
class WorkerMessagingProxy;
// A proxy to talk to the worker object. This object is created on the
// worker object thread (i.e. usually the main thread), passed on to
// the worker thread, and used just to proxy messages to the
// WorkerMessagingProxy on the worker object thread.
//
// Used only by Dedicated Worker.
class WorkerObjectProxy FINAL : public WorkerReportingProxy {
public:
static PassOwnPtr<WorkerObjectProxy> create(ExecutionContext*, WorkerMessagingProxy*);
virtual ~WorkerObjectProxy() { }
void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr<MessagePortChannelArray>);
void postTaskToMainExecutionContext(PassOwnPtr<ExecutionContextTask>);
void confirmMessageFromWorkerObject(bool hasPendingActivity);
void reportPendingActivity(bool hasPendingActivity);
// WorkerReportingProxy overrides.
virtual void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) OVERRIDE;
virtual void reportConsoleMessage(MessageSource, MessageLevel, const String& message, int lineNumber, const String& sourceURL) OVERRIDE;
virtual void postMessageToPageInspector(const String&) OVERRIDE;
virtual void updateInspectorStateCookie(const String&) OVERRIDE;
virtual void workerGlobalScopeStarted(WorkerGlobalScope*) OVERRIDE { }
virtual void workerGlobalScopeClosed() OVERRIDE;
virtual void workerGlobalScopeDestroyed() OVERRIDE;
virtual void willDestroyWorkerGlobalScope() OVERRIDE { }
private:
WorkerObjectProxy(ExecutionContext*, WorkerMessagingProxy*);
// These objects always outlive this proxy.
ExecutionContext* m_executionContext;
WorkerMessagingProxy* m_messagingProxy;
};
} // namespace WebCore
#endif // WorkerObjectProxy_h
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