1 /* 2 * Copyright (C) 2010 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 #include "config.h" 32 33 #if ENABLE(EVENTSOURCE) 34 #include "V8EventSource.h" 35 36 #include "EventSource.h" 37 #include "Frame.h" 38 #include "V8Binding.h" 39 #include "V8Proxy.h" 40 #include "V8Utilities.h" 41 #include "WorkerContext.h" 42 #include "WorkerContextExecutionProxy.h" 43 44 namespace WebCore { 45 46 v8::Handle<v8::Value> V8EventSource::constructorCallback(const v8::Arguments& args) 47 { 48 INC_STATS("DOM.EventSource.Constructor"); 49 50 if (!args.IsConstructCall()) 51 return throwError("DOM object constructor cannot be called as a function.", V8Proxy::TypeError); 52 53 // Expect one parameter. 54 // Allocate an EventSource object as its internal field. 55 ScriptExecutionContext* context = getScriptExecutionContext(); 56 if (!context) 57 return throwError("EventSource constructor's associated context is not available", V8Proxy::ReferenceError); 58 if (args.Length() != 1) 59 return throwError("Not enough arguments", V8Proxy::SyntaxError); 60 61 ExceptionCode ec = 0; 62 String url = toWebCoreString(args[0]); 63 64 RefPtr<EventSource> eventSource = EventSource::create(url, context, ec); 65 66 if (ec) 67 return throwError(ec); 68 69 V8DOMWrapper::setDOMWrapper(args.Holder(), &info, eventSource.get()); 70 71 // Add object to the wrapper map. 72 eventSource->ref(); 73 V8DOMWrapper::setJSWrapperForActiveDOMObject(eventSource.get(), v8::Persistent<v8::Object>::New(args.Holder())); 74 return args.Holder(); 75 } 76 77 } // namespace WebCore 78 79 #endif // ENABLE(EVENTSOURCE) 80
