/platform/external/webkit/WebCore/bindings/v8/custom/V8HTMLCollectionCustom.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 150 lines · 88 code · 28 blank · 34 comment · 16 complexity · f49a4d9f201e9fae26ea69881951fe01 MD5 · raw file
- /*
- * 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());
- NodeList* list = new V8NamedNodesCollection(namedItems);
- return toV8(list);
- }
- static v8::Handle<v8::Value> getItem(HTMLCollection* collection, v8::Handle<v8::Value> argument)
- {
- v8::Local<v8::Uint32> index = argument->ToArrayIndex();
- if (index.IsEmpty()) {
- v8::Handle<v8::Value> result = getNamedItems(collection, toWebCoreString(argument->ToString()));
- 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