/platform/external/webkit/WebCore/bindings/js/JSWebKitPointConstructor.cpp

 1/*
 2 * Copyright (C) 2009 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#include "JSWebKitPointConstructor.h"
28
29#include "Document.h"
30#include "WebKitPoint.h"
31#include "JSWebKitPoint.h"
32
33namespace WebCore {
34
35using namespace JSC;
36
37const ClassInfo JSWebKitPointConstructor::s_info = { "WebKitPointConstructor", 0, 0, 0 };
38
39JSWebKitPointConstructor::JSWebKitPointConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
40    : DOMConstructorObject(JSWebKitPointConstructor::createStructure(globalObject->objectPrototype()), globalObject)
41{
42    putDirect(exec->propertyNames().prototype, JSWebKitPointPrototype::self(exec, globalObject), None);
43    putDirect(exec->propertyNames().length, jsNumber(exec, 2), ReadOnly|DontDelete|DontEnum);
44}
45
46static JSObject* constructWebKitPoint(ExecState* exec, JSObject* constructor, const ArgList& args)
47{
48    JSWebKitPointConstructor* jsConstructor = static_cast<JSWebKitPointConstructor*>(constructor);
49
50    float x = 0;
51    float y = 0;
52    if (args.size() >= 2) {
53        x = (float)args.at(0).toNumber(exec);
54        y = (float)args.at(1).toNumber(exec);
55        if (isnan(x))
56            x = 0;
57        if (isnan(y))
58            y = 0;
59    }
60    return asObject(toJS(exec, jsConstructor->globalObject(), WebKitPoint::create(x, y)));
61}
62
63JSC::ConstructType JSWebKitPointConstructor::getConstructData(JSC::ConstructData& constructData)
64{
65    constructData.native.function = constructWebKitPoint;
66    return ConstructTypeHost;
67}
68
69
70} // namespace WebCore