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#include "V8HTMLAllCollection.h" 33 34#include "core/dom/NamedNodesCollection.h" 35#include "core/html/HTMLAllCollection.h" 36 37#include "V8Node.h" 38#include "V8NodeList.h" 39#include "bindings/v8/V8Binding.h" 40 41namespace WebCore { 42 43template<class CallbackInfo> 44static v8::Handle<v8::Value> getNamedItems(HTMLAllCollection* collection, AtomicString name, const CallbackInfo& callbackInfo) 45{ 46 Vector<RefPtr<Node> > namedItems; 47 collection->namedItems(name, namedItems); 48 49 if (!namedItems.size()) 50 return v8Undefined(); 51 52 if (namedItems.size() == 1) 53 return toV8Fast(namedItems.at(0).release(), callbackInfo, collection); 54 55 // FIXME: HTML5 specification says this should be a HTMLCollection. 56 // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlallcollection 57 return toV8Fast(NamedNodesCollection::create(namedItems), callbackInfo, collection); 58} 59 60template<class CallbackInfo> 61static v8::Handle<v8::Value> getItem(HTMLAllCollection* collection, v8::Handle<v8::Value> argument, const CallbackInfo& callbackInfo) 62{ 63 v8::Local<v8::Uint32> index = argument->ToArrayIndex(); 64 if (index.IsEmpty()) { 65 v8::Handle<v8::Value> result = getNamedItems(collection, toWebCoreString(argument->ToString()), callbackInfo); 66 67 if (result.IsEmpty()) 68 return v8::Undefined(); 69 70 return result; 71 } 72 73 RefPtr<Node> result = collection->item(index->Uint32Value()); 74 return toV8Fast(result.release(), callbackInfo, collection); 75} 76 77void V8HTMLAllCollection::itemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args) 78{ 79 HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder()); 80 v8SetReturnValue(args, getItem(imp, args[0], args)); 81} 82 83void V8HTMLAllCollection::namedItemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args) 84{ 85 HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder()); 86 v8::Handle<v8::Value> result = getNamedItems(imp, toWebCoreString(args[0]), args); 87 88 if (result.IsEmpty()) { 89 v8SetReturnValueNull(args); 90 return; 91 } 92 93 v8SetReturnValue(args, result); 94} 95 96void V8HTMLAllCollection::legacyCallCustom(const v8::FunctionCallbackInfo<v8::Value>& args) 97{ 98 if (args.Length() < 1) 99 return; 100 101 HTMLAllCollection* imp = V8HTMLAllCollection::toNative(args.Holder()); 102 103 if (args.Length() == 1) { 104 v8SetReturnValue(args, getItem(imp, args[0], args)); 105 return; 106 } 107 108 // If there is a second argument it is the index of the item we want. 109 String name = toWebCoreString(args[0]); 110 v8::Local<v8::Uint32> index = args[1]->ToArrayIndex(); 111 if (index.IsEmpty()) 112 return; 113 114 if (Node* node = imp->namedItemWithIndex(name, index->Uint32Value())) { 115 v8SetReturnValue(args, toV8Fast(node, args, imp)); 116 return; 117 } 118} 119 120} // namespace WebCore 121