1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "JSImageConstructor.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "JSHTMLImageElement.h"
#include "JSNode.h"
#include "ScriptExecutionContext.h"
using namespace JSC;
namespace WebCore {
ASSERT_CLASS_FITS_IN_CELL(JSImageConstructor);
const ClassInfo JSImageConstructor::s_info = { "ImageConstructor", 0, 0, 0 };
JSImageConstructor::JSImageConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
: DOMConstructorWithDocument(JSImageConstructor::createStructure(globalObject->objectPrototype()), globalObject)
{
putDirect(exec->propertyNames().prototype, JSHTMLImageElementPrototype::self(exec, globalObject), None);
}
static JSObject* constructImage(ExecState* exec, JSObject* constructor, const ArgList& args)
{
bool widthSet = false;
bool heightSet = false;
int width = 0;
int height = 0;
if (args.size() > 0) {
widthSet = true;
width = args.at(0).toInt32(exec);
}
if (args.size() > 1) {
heightSet = true;
height = args.at(1).toInt32(exec);
}
JSImageConstructor* jsConstructor = static_cast<JSImageConstructor*>(constructor);
Document* document = jsConstructor->document();
if (!document)
return throwError(exec, ReferenceError, "Image constructor associated document is unavailable");
// Calling toJS on the document causes the JS document wrapper to be
// added to the window object. This is done to ensure that JSDocument::mark
// will be called (which will cause the image element to be marked if necessary).
toJS(exec, jsConstructor->globalObject(), document);
RefPtr<HTMLImageElement> image = new HTMLImageElement(HTMLNames::imgTag, document);
if (widthSet)
image->setWidth(width);
if (heightSet)
image->setHeight(height);
return asObject(toJS(exec, jsConstructor->globalObject(), image.release()));
}
ConstructType JSImageConstructor::getConstructData(ConstructData& constructData)
{
constructData.native.function = constructImage;
return ConstructTypeHost;
}
} // namespace WebCore
|
