| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "V8HTMLCollection.h" |
| |
| #include "HTMLCollection.h" |
| #include "V8Binding.h" |
| #include "V8HTMLAllCollection.h" |
| #include "V8NamedNodesCollection.h" |
| #include "V8Node.h" |
| #include "V8NodeList.h" |
| #include "V8Proxy.h" |
| |
| namespace WebCore { |
| |
| static v8::Handle<v8::Value> getNamedItems(HTMLCollection* collection, AtomicString name) |
| { |
| Vector<RefPtr<Node> > namedItems; |
| collection->namedItems(name, namedItems); |
| |
| if (!namedItems.size()) |
| return v8::Handle<v8::Value>(); |
| |
| if (namedItems.size() == 1) |
| return toV8(namedItems.at(0).release()); |
| |
| return toV8(V8NamedNodesCollection::create(namedItems)); |
| } |
| |
| static v8::Handle<v8::Value> getItem(HTMLCollection* collection, v8::Handle<v8::Value> argument) |
| { |
| v8::Local<v8::Uint32> index = argument->ToArrayIndex(); |
| if (index.IsEmpty()) { |
| v8::Local<v8::String> asString = argument->ToString(); |
| if (asString.IsEmpty()) |
| return v8::Handle<v8::Value>(); |
| v8::Handle<v8::Value> result = getNamedItems(collection, toWebCoreString(asString)); |
| |
| if (result.IsEmpty()) |
| return v8::Undefined(); |
| |
| return result; |
| } |
| |
| RefPtr<Node> result = collection->item(index->Uint32Value()); |
| return toV8(result.release()); |
| } |
| |
| v8::Handle<v8::Value> V8HTMLCollection::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) |
| { |
| INC_STATS("DOM.HTMLCollection.NamedPropertyGetter"); |
| // Search the prototype chain first. |
| v8::Handle<v8::Value> value = info.Holder()->GetRealNamedPropertyInPrototypeChain(name); |
| |
| if (!value.IsEmpty()) |
| return value; |
| |
| // Search local callback properties next to find IDL defined |
| // properties. |
| if (info.Holder()->HasRealNamedCallbackProperty(name)) |
| return v8::Handle<v8::Value>(); |
| |
| // Finally, search the DOM structure. |
| HTMLCollection* imp = V8HTMLCollection::toNative(info.Holder()); |
| return getNamedItems(imp, v8StringToAtomicWebCoreString(name)); |
| } |
| |
| v8::Handle<v8::Value> V8HTMLCollection::itemCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.HTMLCollection.item()"); |
| HTMLCollection* imp = V8HTMLCollection::toNative(args.Holder()); |
| return getItem(imp, args[0]); |
| } |
| |
| v8::Handle<v8::Value> V8HTMLCollection::namedItemCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.HTMLCollection.namedItem()"); |
| HTMLCollection* imp = V8HTMLCollection::toNative(args.Holder()); |
| v8::Handle<v8::Value> result = getNamedItems(imp, toWebCoreString(args[0])); |
| |
| if (result.IsEmpty()) |
| return v8::Undefined(); |
| |
| return result; |
| } |
| |
| v8::Handle<v8::Value> V8HTMLCollection::callAsFunctionCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.HTMLCollection.callAsFunction()"); |
| if (args.Length() < 1) |
| return v8::Undefined(); |
| |
| HTMLCollection* imp = V8HTMLCollection::toNative(args.Holder()); |
| |
| if (args.Length() == 1) |
| return getItem(imp, args[0]); |
| |
| // If there is a second argument it is the index of the item we want. |
| String name = toWebCoreString(args[0]); |
| v8::Local<v8::Uint32> index = args[1]->ToArrayIndex(); |
| if (index.IsEmpty()) |
| return v8::Undefined(); |
| |
| unsigned current = index->Uint32Value(); |
| Node* node = imp->namedItem(name); |
| while (node) { |
| if (!current) |
| return toV8(node); |
| |
| node = imp->nextNamedItem(name); |
| current--; |
| } |
| |
| return v8::Undefined(); |
| } |
| |
| v8::Handle<v8::Value> toV8(HTMLCollection* impl) |
| { |
| if (impl->type() == DocAll) |
| return toV8(static_cast<HTMLAllCollection*>(impl)); |
| return V8HTMLCollection::wrap(impl); |
| } |
| |
| } // namespace WebCore |