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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2014 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGZoomAndPan_h
#define SVGZoomAndPan_h
#include "core/SVGNames.h"
#include "core/dom/QualifiedName.h"
#include "wtf/HashSet.h"
namespace WebCore {
class ExceptionState;
enum SVGZoomAndPanType {
SVGZoomAndPanUnknown = 0,
SVGZoomAndPanDisable,
SVGZoomAndPanMagnify
};
class SVGZoomAndPan {
public:
// Forward declare enumerations in the W3C naming scheme, for IDL generation.
enum {
SVG_ZOOMANDPAN_UNKNOWN = SVGZoomAndPanUnknown,
SVG_ZOOMANDPAN_DISABLE = SVGZoomAndPanDisable,
SVG_ZOOMANDPAN_MAGNIFY = SVGZoomAndPanMagnify
};
virtual ~SVGZoomAndPan() { }
static bool isKnownAttribute(const QualifiedName&);
static void addSupportedAttributes(HashSet<QualifiedName>&);
static SVGZoomAndPanType parseFromNumber(unsigned short number)
{
if (!number || number > SVGZoomAndPanMagnify)
return SVGZoomAndPanUnknown;
return static_cast<SVGZoomAndPanType>(number);
}
bool parseZoomAndPan(const LChar*& start, const LChar* end);
bool parseZoomAndPan(const UChar*& start, const UChar* end);
bool parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::zoomAndPanAttr) {
m_zoomAndPan = SVGZoomAndPanUnknown;
if (!value.isEmpty()) {
if (value.is8Bit()) {
const LChar* start = value.characters8();
parseZoomAndPan(start, start + value.length());
} else {
const UChar* start = value.characters16();
parseZoomAndPan(start, start + value.length());
}
}
return true;
}
return false;
}
// JS API
SVGZoomAndPanType zoomAndPan() const { return m_zoomAndPan; }
virtual void setZoomAndPan(unsigned short value) { m_zoomAndPan = parseFromNumber(value); }
virtual void setZoomAndPan(unsigned short value, ExceptionState&) { setZoomAndPan(value); }
protected:
SVGZoomAndPan();
void resetZoomAndPan();
private:
SVGZoomAndPanType m_zoomAndPan;
};
} // namespace WebCore
#endif // SVGZoomAndPan_h
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