1 /* 2 * Copyright (C) 2013 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 WebServiceWorker_h 32 #define WebServiceWorker_h 33 34 #include "WebCommon.h" 35 #include "WebMessagePortChannel.h" 36 #include "WebServiceWorkerState.h" 37 #include "WebString.h" 38 #include "WebURL.h" 39 #include "WebVector.h" 40 41 namespace blink { 42 43 class WebServiceWorkerProxy; 44 typedef WebVector<class WebMessagePortChannel*> WebMessagePortChannelArray; 45 46 class WebServiceWorker { 47 public: 48 virtual ~WebServiceWorker() { } 49 50 // Sets ServiceWorkerProxy, with which callee can start making upcalls 51 // to the ServiceWorker object via the client. This doesn't pass the 52 // ownership to the callee, and the proxy's lifetime is same as that of 53 // WebServiceWorker. 54 virtual void setProxy(WebServiceWorkerProxy*) { } 55 virtual WebServiceWorkerProxy* proxy() { return 0; } 56 57 // Called by this worker's ServiceWorkerProxy when it has become ready or 58 // not ready for state change notifications. 59 virtual void proxyReadyChanged() { } 60 61 virtual WebURL scope() const { return WebURL(); } 62 virtual WebURL url() const { return WebURL(); } 63 virtual WebServiceWorkerState state() const { return WebServiceWorkerStateUnknown; } 64 65 // Callee receives ownership of the passed vector. 66 // FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753 67 virtual void postMessage(const WebString&, WebMessagePortChannelArray*) { BLINK_ASSERT_NOT_REACHED(); } 68 }; 69 70 } 71 72 #endif // WebServiceWorker_h 73