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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>
*
* 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
#if ENABLE(SVG)
#include "QualifiedName.h"
#include "SVGNames.h"
#include <wtf/HashSet.h>
namespace WebCore {
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
};
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);
}
static bool parseZoomAndPan(const UChar*& start, const UChar* end, SVGZoomAndPanType&);
template<class SVGElementTarget>
static bool parseAttribute(SVGElementTarget* target, const QualifiedName& name, const AtomicString& value)
{
ASSERT(target);
if (name == SVGNames::zoomAndPanAttr) {
const UChar* start = value.string().deprecatedCharacters();
const UChar* end = start + value.length();
SVGZoomAndPanType zoomAndPan = SVGZoomAndPanUnknown;
parseZoomAndPan(start, end, zoomAndPan);
target->setZoomAndPan(zoomAndPan);
return true;
}
return false;
}
SVGZoomAndPanType zoomAndPan() const { return SVGZoomAndPanUnknown; }
// These methods only exist to allow us to compile JSSVGZoomAndPan.*.
// These are never called, and thus ASSERT_NOT_REACHED.
void ref();
void deref();
void setZoomAndPan(unsigned short);
};
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGZoomAndPan_h
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