/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2010 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
#define SVGFitToViewBox_h
#include "SVGNames.h"
+#include "core/dom/Document.h"
#include "core/dom/QualifiedName.h"
+#include "core/svg/SVGAnimatedPreserveAspectRatio.h"
+#include "core/svg/SVGAnimatedRect.h"
#include "core/svg/SVGDocumentExtensions.h"
#include "core/svg/SVGParsingError.h"
#include "core/svg/SVGPreserveAspectRatio.h"
class SVGFitToViewBox {
public:
+ enum PropertyMapPolicy {
+ PropertyMapPolicyAdd,
+ PropertyMapPolicySkip,
+ };
+
static AffineTransform viewBoxToViewTransform(const FloatRect& viewBoxRect, PassRefPtr<SVGPreserveAspectRatio>, float viewWidth, float viewHeight);
static bool isKnownAttribute(const QualifiedName&);
static void addSupportedAttributes(HashSet<QualifiedName>&);
- template<class SVGElementTarget>
- static bool parseAttribute(SVGElementTarget* target, const QualifiedName& name, const AtomicString& value)
+ bool parseAttribute(const QualifiedName& name, const AtomicString& value, Document& document, SVGParsingError& parseError)
{
- ASSERT(target);
-
- SVGParsingError parseError = NoError;
-
if (name == SVGNames::viewBoxAttr) {
- target->viewBox()->setBaseValueAsString(value, parseError);
- if (target->viewBox()->baseValue()->width() < 0.0f) {
- target->document().accessSVGExtensions()->reportError("A negative value for ViewBox width is not allowed");
- target->viewBox()->baseValue()->setInvalid();
+ m_viewBox->setBaseValueAsString(value, parseError);
+ if (m_viewBox->baseValue()->width() < 0.0f) {
+ document.accessSVGExtensions()->reportError("A negative value for ViewBox width is not allowed");
+ m_viewBox->baseValue()->setInvalid();
}
- if (target->viewBox()->baseValue()->height() < 0.0f) {
- target->document().accessSVGExtensions()->reportError("A negative value for ViewBox height is not allowed");
- target->viewBox()->baseValue()->setInvalid();
+ if (m_viewBox->baseValue()->height() < 0.0f) {
+ document.accessSVGExtensions()->reportError("A negative value for ViewBox height is not allowed");
+ m_viewBox->baseValue()->setInvalid();
}
- } else if (name == SVGNames::preserveAspectRatioAttr) {
- target->preserveAspectRatio()->setBaseValueAsString(value, parseError);
- } else {
- return false;
+ return true;
}
-
- target->reportAttributeParsingError(parseError, name, value);
- return true;
+ if (name == SVGNames::preserveAspectRatioAttr) {
+ m_preserveAspectRatio->setBaseValueAsString(value, parseError);
+ return true;
+ }
+ return false;
}
+
+ // SVGFitToViewBox JS API.
+ static SVGAnimatedRect* viewBox(SVGFitToViewBox* object) { return object->viewBox(); }
+ static SVGAnimatedPreserveAspectRatio* preserveAspectRatio(SVGFitToViewBox* object) { return object->preserveAspectRatio(); }
+
+ SVGAnimatedRect* viewBox() const { return m_viewBox.get(); }
+ bool hasEmptyViewBox() const { return m_viewBox->currentValue()->isValid() && m_viewBox->currentValue()->value().isEmpty(); }
+ SVGAnimatedPreserveAspectRatio* preserveAspectRatio() const { return m_preserveAspectRatio.get(); }
+
+protected:
+ explicit SVGFitToViewBox(SVGElement*, PropertyMapPolicy = PropertyMapPolicyAdd);
+ void updateViewBox(const FloatRect&);
+ void clearViewBox() { m_viewBox = 0; }
+ void clearPreserveAspectRatio() { m_preserveAspectRatio = 0; }
+
+private:
+ RefPtr<SVGAnimatedRect> m_viewBox;
+ RefPtr<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
};
} // namespace WebCore