/platform/external/webkit/WebCore/bindings/v8/custom/V8HTMLAudioElementConstructor.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 97 lines · 50 code · 16 blank · 31 comment · 5 complexity · 9aa18bc3c71fef07424845eb093b0db3 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 "V8HTMLAudioElementConstructor.h"
- #include "HTMLAudioElement.h"
- #include "Document.h"
- #include "Frame.h"
- #include "HTMLNames.h"
- #include "V8Binding.h"
- #include "V8Document.h"
- #include "V8HTMLAudioElement.h"
- #include "V8Proxy.h"
- #include <wtf/RefPtr.h>
- namespace WebCore {
- static v8::Handle<v8::Value> v8HTMLAudioElementConstructorCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.HTMLAudioElement.Contructor");
- if (!args.IsConstructCall())
- return throwError("DOM object constructor cannot be called as a function.");
- Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
- if (!frame)
- return throwError("Audio constructor associated frame is unavailable", V8Proxy::ReferenceError);
- Document* document = frame->document();
- if (!document)
- return throwError("Audio constructor associated document is unavailable", V8Proxy::ReferenceError);
- // Make sure the document is added to the DOM Node map. Otherwise, the HTMLAudioElement instance
- // may end up being the only node in the map and get garbage-ccollected prematurely.
- toV8(document);
- RefPtr<HTMLAudioElement> audio = new HTMLAudioElement(HTMLNames::audioTag, document);
- audio->setAutobuffer(true);
- if (args.Length() > 0) {
- audio->setSrc(toWebCoreString(args[0]));
- audio->scheduleLoad();
- }
- V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::AUDIO), audio.get());
- audio->ref();
- V8DOMWrapper::setJSWrapperForDOMNode(audio.get(), v8::Persistent<v8::Object>::New(args.Holder()));
- return args.Holder();
- }
- v8::Persistent<v8::FunctionTemplate> V8HTMLAudioElementConstructor::GetTemplate()
- {
- static v8::Persistent<v8::FunctionTemplate> cachedTemplate;
- if (!cachedTemplate.IsEmpty())
- return cachedTemplate;
- v8::HandleScope scope;
- v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(v8HTMLAudioElementConstructorCallback);
- v8::Local<v8::ObjectTemplate> instance = result->InstanceTemplate();
- instance->SetInternalFieldCount(V8HTMLAudioElement::internalFieldCount);
- result->SetClassName(v8::String::New("HTMLAudioElement"));
- result->Inherit(V8HTMLAudioElement::GetTemplate());
- cachedTemplate = v8::Persistent<v8::FunctionTemplate>::New(result);
- return cachedTemplate;
- }
- } // namespace WebCore