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 SharedWorkerRepository_h 32#define SharedWorkerRepository_h 33 34#if ENABLE(SHARED_WORKERS) 35 36#include <wtf/Forward.h> 37#include <wtf/PassOwnPtr.h> 38#include <wtf/PassRefPtr.h> 39 40namespace WebCore { 41 42 class Document; 43 class KURL; 44 class MessagePortChannel; 45 class SharedWorker; 46 47 typedef int ExceptionCode; 48 49 // Interface to a repository which manages references to the set of active shared workers. 50 class SharedWorkerRepository { 51 public: 52 // Returns true if the platform supports SharedWorkers, otherwise false. 53 static bool isAvailable(); 54 55 // Connects the passed SharedWorker object with the specified worker thread, creating a new thread if necessary. 56 static void connect(PassRefPtr<SharedWorker>, PassOwnPtr<MessagePortChannel>, const KURL&, const String& name, ExceptionCode&); 57 58 // Invoked when a document has been detached. 59 static void documentDetached(Document*); 60 61 // Returns true if the passed document is associated with any SharedWorkers. 62 static bool hasSharedWorkers(Document*); 63 private: 64 SharedWorkerRepository() { } 65 }; 66 67} // namespace WebCore 68 69#endif // ENABLE(SHARED_WORKERS) 70 71#endif // SharedWorkerRepository_h 72