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 #include "config.h" 32 33 #if ENABLE(WEB_SOCKETS) 34 35 #include "V8WebSocket.h" 36 37 #include "Frame.h" 38 #include "Settings.h" 39 #include "V8Binding.h" 40 #include "V8Proxy.h" 41 #include "V8Utilities.h" 42 #include "WebSocket.h" 43 #include "WorkerContext.h" 44 #include "WorkerContextExecutionProxy.h" 45 46 namespace WebCore { 47 48 v8::Handle<v8::Value> V8WebSocket::addEventListenerCallback(const v8::Arguments& args) 49 { 50 INC_STATS("DOM.WebSocket.addEventListener()"); 51 WebSocket* webSocket = V8WebSocket::toNative(args.Holder()); 52 53 RefPtr<EventListener> listener = V8DOMWrapper::getEventListener(webSocket, args[1], false, ListenerFindOrCreate); 54 if (listener) { 55 String type = toWebCoreString(args[0]); 56 bool useCapture = args[2]->BooleanValue(); 57 webSocket->addEventListener(type, listener, useCapture); 58 59 createHiddenDependency(args.Holder(), args[1], cacheIndex); 60 } 61 return v8::Undefined(); 62 } 63 64 v8::Handle<v8::Value> V8WebSocket::removeEventListenerCallback(const v8::Arguments& args) 65 { 66 INC_STATS("DOM.WebSocket.removeEventListener()"); 67 WebSocket* webSocket = V8WebSocket::toNative(args.Holder()); 68 69 RefPtr<EventListener> listener = V8DOMWrapper::getEventListener(webSocket, args[1], false, ListenerFindOnly); 70 if (listener) { 71 String type = toWebCoreString(args[0]); 72 bool useCapture = args[2]->BooleanValue(); 73 webSocket->removeEventListener(type, listener.get(), useCapture); 74 removeHiddenDependency(args.Holder(), args[1], cacheIndex); 75 } 76 return v8::Undefined(); 77 } 78 79 v8::Handle<v8::Value> V8WebSocket::constructorCallback(const v8::Arguments& args) 80 { 81 INC_STATS("DOM.WebSocket.Constructor"); 82 83 if (!args.IsConstructCall()) 84 return throwError("DOM object custructor cannot be called as a function."); 85 if (args.Length() == 0) 86 return throwError("Not enough arguments", V8Proxy::SyntaxError); 87 88 v8::TryCatch tryCatch; 89 v8::Handle<v8::String> urlstring = args[0]->ToString(); 90 if (tryCatch.HasCaught()) 91 return throwError(tryCatch.Exception()); 92 if (urlstring.IsEmpty()) 93 return throwError("Empty URL", V8Proxy::SyntaxError); 94 95 // Get the script execution context. 96 ScriptExecutionContext* context = getScriptExecutionContext(); 97 if (!context) 98 return throwError("WebSocket constructor's associated frame is not available", V8Proxy::ReferenceError); 99 100 const KURL& url = context->completeURL(toWebCoreString(urlstring)); 101 102 RefPtr<WebSocket> webSocket = WebSocket::create(context); 103 ExceptionCode ec = 0; 104 105 if (args.Length() < 2) 106 webSocket->connect(url, ec); 107 else { 108 v8::TryCatch tryCatchProtocol; 109 v8::Handle<v8::String> protocol = args[1]->ToString(); 110 if (tryCatchProtocol.HasCaught()) 111 return throwError(tryCatchProtocol.Exception()); 112 webSocket->connect(url, toWebCoreString(protocol), ec); 113 } 114 if (ec) 115 return throwError(ec); 116 117 // Setup the standard wrapper object internal fields. 118 V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::WEBSOCKET), webSocket.get()); 119 120 // Add object to the wrapper map. 121 webSocket->ref(); 122 V8DOMWrapper::setJSWrapperForActiveDOMObject(webSocket.get(), v8::Persistent<v8::Object>::New(args.Holder())); 123 124 return args.Holder(); 125 } 126 127 v8::Handle<v8::Value> V8WebSocket::sendCallback(const v8::Arguments& args) 128 { 129 INC_STATS("DOM.WebSocket.send()"); 130 WebSocket* webSocket = V8WebSocket::toNative(args.Holder()); 131 132 ExceptionCode ec = 0; 133 bool ret = false; 134 if (args.Length() < 1) 135 return throwError("Not enough arguments", V8Proxy::SyntaxError); 136 else { 137 String msg = toWebCoreString(args[0]); 138 ret = webSocket->send(msg, ec); 139 } 140 if (ec) 141 return throwError(ec); 142 return v8Boolean(ret); 143 } 144 145 } // namespace WebCore 146 147 #endif // ENABLE(WEB_SOCKETS) 148
