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