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      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 "V8HTMLOptionElementConstructor.h"
     33 
     34 #include "HTMLOptionElement.h"
     35 #include "Document.h"
     36 #include "Frame.h"
     37 #include "HTMLNames.h"
     38 #include "Text.h"
     39 #include "V8Binding.h"
     40 #include "V8HTMLOptionElement.h"
     41 #include "V8Proxy.h"
     42 
     43 #include <wtf/RefPtr.h>
     44 
     45 namespace WebCore {
     46 
     47 static v8::Handle<v8::Value> v8HTMLOptionElementConstructorCallback(const v8::Arguments& args)
     48 {
     49     INC_STATS("DOM.HTMLOptionElement.Contructor");
     50 
     51     if (!args.IsConstructCall())
     52         return throwError("DOM object constructor cannot be called as a function.");
     53 
     54     Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
     55     if (!frame)
     56         return throwError("Option constructor associated frame is unavailable", V8Proxy::ReferenceError);
     57 
     58     Document* document = frame->document();
     59     if (!document)
     60         return throwError("Option constructor associated document is unavailable", V8Proxy::ReferenceError);
     61 
     62     RefPtr<HTMLOptionElement> option = new HTMLOptionElement(HTMLNames::optionTag, document);
     63 
     64     ExceptionCode ec = 0;
     65     RefPtr<Text> text = document->createTextNode("");
     66     if (args.Length() > 0) {
     67         if (!args[0]->IsUndefined()) {
     68             text->setData(toWebCoreString(args[0]), ec);
     69             if (ec)
     70                 throwError(ec);
     71         }
     72 
     73         option->appendChild(text.release(), ec);
     74         if (ec)
     75             throwError(ec);
     76 
     77         if (args.Length() > 1) {
     78             if (!args[1]->IsUndefined())
     79                 option->setValue(toWebCoreString(args[1]));
     80 
     81             if (args.Length() > 2) {
     82                 option->setDefaultSelected(args[2]->BooleanValue());
     83                 if (args.Length() > 3)
     84                     option->setSelected(args[3]->BooleanValue());
     85             }
     86         }
     87     }
     88 
     89     V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::OPTION), option.get());
     90     option->ref();
     91     V8DOMWrapper::setJSWrapperForDOMNode(option.get(), v8::Persistent<v8::Object>::New(args.Holder()));
     92     return args.Holder();
     93 }
     94 
     95 v8::Persistent<v8::FunctionTemplate> V8HTMLOptionElementConstructor::GetTemplate()
     96 {
     97     static v8::Persistent<v8::FunctionTemplate> cachedTemplate;
     98     if (!cachedTemplate.IsEmpty())
     99         return cachedTemplate;
    100 
    101     v8::HandleScope scope;
    102     v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(v8HTMLOptionElementConstructorCallback);
    103 
    104     v8::Local<v8::ObjectTemplate> instance = result->InstanceTemplate();
    105     instance->SetInternalFieldCount(V8HTMLOptionElement::internalFieldCount);
    106     result->SetClassName(v8::String::New("HTMLOptionElement"));
    107     result->Inherit(V8HTMLOptionElement::GetTemplate());
    108 
    109     cachedTemplate = v8::Persistent<v8::FunctionTemplate>::New(result);
    110     return cachedTemplate;
    111 }
    112 
    113 } // namespace WebCore
    114