1 /* 2 * Copyright (C) 2007-2009 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 #include "V8Document.h" 33 34 #include "CanvasRenderingContext.h" 35 #include "Document.h" 36 #include "ExceptionCode.h" 37 #include "Node.h" 38 #include "TouchList.h" 39 #include "XPathNSResolver.h" 40 #include "XPathResult.h" 41 42 #include "V8Binding.h" 43 #include "V8CanvasRenderingContext2D.h" 44 #include "V8CustomXPathNSResolver.h" 45 #include "V8DOMImplementation.h" 46 #include "V8HTMLDocument.h" 47 #include "V8IsolatedContext.h" 48 #include "V8Node.h" 49 #include "V8Proxy.h" 50 #include "V8Touch.h" 51 #include "V8TouchList.h" 52 #if ENABLE(WEBGL) 53 #include "V8WebGLRenderingContext.h" 54 #endif 55 #include "V8XPathNSResolver.h" 56 #include "V8XPathResult.h" 57 58 #if ENABLE(SVG) 59 #include "V8SVGDocument.h" 60 #endif 61 62 #include <wtf/RefPtr.h> 63 64 namespace WebCore { 65 66 #if ENABLE(XPATH) 67 v8::Handle<v8::Value> V8Document::evaluateCallback(const v8::Arguments& args) 68 { 69 INC_STATS("DOM.Document.evaluate()"); 70 71 RefPtr<Document> document = V8Document::toNative(args.Holder()); 72 ExceptionCode ec = 0; 73 String expression = toWebCoreString(args[0]); 74 RefPtr<Node> contextNode; 75 if (V8Node::HasInstance(args[1])) 76 contextNode = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])); 77 78 RefPtr<XPathNSResolver> resolver = V8DOMWrapper::getXPathNSResolver(args[2]); 79 if (!resolver && !args[2]->IsNull() && !args[2]->IsUndefined()) 80 return throwError(TYPE_MISMATCH_ERR); 81 82 int type = toInt32(args[3]); 83 RefPtr<XPathResult> inResult; 84 if (V8XPathResult::HasInstance(args[4])) 85 inResult = V8XPathResult::toNative(v8::Handle<v8::Object>::Cast(args[4])); 86 87 v8::TryCatch exceptionCatcher; 88 RefPtr<XPathResult> result = document->evaluate(expression, contextNode.get(), resolver.get(), type, inResult.get(), ec); 89 if (exceptionCatcher.HasCaught()) 90 return throwError(exceptionCatcher.Exception()); 91 92 if (ec) 93 return throwError(ec); 94 95 return toV8(result.release()); 96 } 97 #endif 98 99 v8::Handle<v8::Value> V8Document::getCSSCanvasContextCallback(const v8::Arguments& args) 100 { 101 INC_STATS("DOM.Document.getCSSCanvasContext"); 102 v8::Handle<v8::Object> holder = args.Holder(); 103 Document* imp = V8Document::toNative(holder); 104 String contextId = toWebCoreString(args[0]); 105 String name = toWebCoreString(args[1]); 106 int width = toInt32(args[2]); 107 int height = toInt32(args[3]); 108 CanvasRenderingContext* result = imp->getCSSCanvasContext(contextId, name, width, height); 109 if (!result) 110 return v8::Undefined(); 111 if (result->is2d()) 112 return toV8(static_cast<CanvasRenderingContext2D*>(result)); 113 #if ENABLE(WEBGL) 114 else if (result->is3d()) 115 return toV8(static_cast<WebGLRenderingContext*>(result)); 116 #endif // ENABLE(WEBGL) 117 ASSERT_NOT_REACHED(); 118 return v8::Undefined(); 119 } 120 121 v8::Handle<v8::Value> toV8(Document* impl, bool forceNewObject) 122 { 123 if (!impl) 124 return v8::Null(); 125 if (impl->isHTMLDocument()) 126 return toV8(static_cast<HTMLDocument*>(impl), forceNewObject); 127 #if ENABLE(SVG) 128 if (impl->isSVGDocument()) 129 return toV8(static_cast<SVGDocument*>(impl), forceNewObject); 130 #endif 131 v8::Handle<v8::Object> wrapper = V8Document::wrap(impl, forceNewObject); 132 if (wrapper.IsEmpty()) 133 return wrapper; 134 if (!V8IsolatedContext::getEntered()) { 135 if (V8Proxy* proxy = V8Proxy::retrieve(impl->frame())) 136 proxy->windowShell()->updateDocumentWrapper(wrapper); 137 } 138 return wrapper; 139 } 140 141 #if ENABLE(TOUCH_EVENTS) 142 v8::Handle<v8::Value> V8Document::createTouchListCallback(const v8::Arguments& args) 143 { 144 RefPtr<TouchList> touchList = TouchList::create(); 145 146 for (int i = 0; i < args.Length(); i++) { 147 if (!args[i]->IsObject()) 148 return v8::Undefined(); 149 touchList->append(V8Touch::toNative(args[i]->ToObject())); 150 } 151 152 return toV8(touchList.release()); 153 } 154 #endif 155 156 } // namespace WebCore 157
