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      1 /*
      2  * Copyright (C) 2007, 2008 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #if ENABLE(VIDEO)
     29 
     30 #include "JSAudioConstructor.h"
     31 
     32 #include "HTMLAudioElement.h"
     33 #include "HTMLNames.h"
     34 #include "JSHTMLAudioElement.h"
     35 #include "ScriptExecutionContext.h"
     36 #include "Text.h"
     37 #include <runtime/Error.h>
     38 
     39 using namespace JSC;
     40 
     41 namespace WebCore {
     42 
     43 const ClassInfo JSAudioConstructor::s_info = { "AudioConstructor", 0, 0, 0 };
     44 
     45 JSAudioConstructor::JSAudioConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
     46     : DOMConstructorWithDocument(JSAudioConstructor::createStructure(globalObject->objectPrototype()), globalObject)
     47 {
     48     putDirect(exec->propertyNames().prototype, JSHTMLAudioElementPrototype::self(exec, globalObject), None);
     49     putDirect(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly|DontDelete|DontEnum);
     50 }
     51 
     52 static JSObject* constructAudio(ExecState* exec, JSObject* constructor, const ArgList& args)
     53 {
     54     JSAudioConstructor* jsAudio = static_cast<JSAudioConstructor*>(constructor);
     55     // FIXME: Why doesn't this need the call toJS on the document like JSImageConstructor?
     56     Document* document = jsAudio->document();
     57     if (!document)
     58         return throwError(exec, ReferenceError, "Audio constructor associated document is unavailable");
     59 
     60     RefPtr<HTMLAudioElement> audio = new HTMLAudioElement(HTMLNames::audioTag, document);
     61     audio->setAutobuffer(true);
     62     if (args.size() > 0) {
     63         audio->setSrc(args.at(0).toString(exec));
     64         audio->scheduleLoad();
     65     }
     66     return asObject(toJS(exec, jsAudio->globalObject(), audio.release()));
     67 }
     68 
     69 ConstructType JSAudioConstructor::getConstructData(ConstructData& constructData)
     70 {
     71     constructData.native.function = constructAudio;
     72     return ConstructTypeHost;
     73 }
     74 
     75 } // namespace WebCore
     76 
     77 #endif // ENABLE(VIDEO)
     78