/* * 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 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 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; private: WorkerObjectProxy(ExecutionContext*, WorkerMessagingProxy*); // These objects always outlive this proxy. ExecutionContext* m_executionContext; WorkerMessagingProxy* m_messagingProxy; }; } // namespace WebCore #endif // WorkerObjectProxy_h