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/*
* Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org>
* Copyright (C) 2015-2019 Apple Inc. 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.
*/
#pragma once
#include "FloatPoint.h"
#include "SVGFitToViewBox.h"
#include "SVGGraphicsElement.h"
#include "SVGZoomAndPan.h"
#include <wtf/TZoneMalloc.h>
namespace WebCore {
struct DOMMatrix2DInit;
class SMILTimeContainer;
class SVGAngle;
class SVGLength;
class SVGMatrix;
class SVGNumber;
class SVGRect;
class SVGTransform;
class SVGViewElement;
class SVGViewSpec;
class SVGSVGElement final : public SVGGraphicsElement, public SVGFitToViewBox, public SVGZoomAndPan {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(SVGSVGElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(SVGSVGElement);
public: // DOM
float currentScale() const;
void setCurrentScale(float);
SVGPoint& currentTranslate() { return m_currentTranslate; }
FloatPoint currentTranslateValue() const { return m_currentTranslate->value(); }
bool useCurrentView() const { return m_useCurrentView; }
SVGViewSpec& currentView();
Ref<NodeList> getIntersectionList(SVGRect&, SVGElement* referenceElement);
Ref<NodeList> getEnclosureList(SVGRect&, SVGElement* referenceElement);
static bool checkIntersection(Ref<SVGElement>&&, SVGRect&);
static bool checkEnclosure(Ref<SVGElement>&&, SVGRect&);
void deselectAll();
static Ref<SVGNumber> createSVGNumber();
static Ref<SVGLength> createSVGLength();
static Ref<SVGAngle> createSVGAngle();
static Ref<SVGPoint> createSVGPoint();
static Ref<SVGMatrix> createSVGMatrix();
static Ref<SVGRect> createSVGRect();
static Ref<SVGTransform> createSVGTransform();
static Ref<SVGTransform> createSVGTransformFromMatrix(DOMMatrix2DInit&&);
Element* getElementById(const AtomString&);
void pauseAnimations();
void unpauseAnimations();
bool resumePausedAnimationsIfNeeded(const IntRect&);
bool animationsPaused() const;
bool hasActiveAnimation() const;
float getCurrentTime() const;
void setCurrentTime(float);
unsigned suspendRedraw(unsigned) { return 1; }
void unsuspendRedraw(unsigned) { }
void unsuspendRedrawAll() { }
void forceRedraw() { }
public:
static Ref<SVGSVGElement> create(const QualifiedName&, Document&);
static Ref<SVGSVGElement> create(Document&);
bool scrollToFragment(StringView fragmentIdentifier);
void resetScrollAnchor();
using PropertyRegistry = SVGPropertyOwnerRegistry<SVGSVGElement, SVGGraphicsElement, SVGFitToViewBox>;
using SVGGraphicsElement::ref;
using SVGGraphicsElement::deref;
SMILTimeContainer& timeContainer() { return m_timeContainer.get(); }
Ref<SMILTimeContainer> protectedTimeContainer() const;
void setCurrentTranslate(const FloatPoint&); // Used to pan.
void updateCurrentTranslate();
bool hasIntrinsicWidth() const;
bool hasIntrinsicHeight() const;
Length intrinsicWidth() const;
Length intrinsicHeight() const;
FloatSize currentViewportSizeExcludingZoom() const;
FloatRect currentViewBoxRect() const;
AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const;
bool hasTransformRelatedAttributes() const final;
const SVGLengthValue& x() const { return m_x->currentValue(); }
const SVGLengthValue& y() const { return m_y->currentValue(); }
const SVGLengthValue& width() const { return m_width->currentValue(); }
const SVGLengthValue& height() const { return m_height->currentValue(); }
SVGAnimatedLength& xAnimated() { return m_x; }
SVGAnimatedLength& yAnimated() { return m_y; }
SVGAnimatedLength& widthAnimated() { return m_width; }
SVGAnimatedLength& heightAnimated() { return m_height; }
void inheritViewAttributes(const SVGViewElement&);
private:
SVGSVGElement(const QualifiedName&, Document&);
virtual ~SVGSVGElement();
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) override;
void svgAttributeChanged(const QualifiedName&) override;
bool selfHasRelativeLengths() const override;
bool isValid() const override;
bool rendererIsNeeded(const RenderStyle&) override;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
bool isReplaced(const RenderStyle&) const final;
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
void removedFromAncestor(RemovalType, ContainerNode&) override;
void prepareForDocumentSuspension() override;
void resumeFromDocumentSuspension() override;
void didMoveToNewDocument(Document& oldDocument, Document& newDocument) override;
AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const override;
RefPtr<LocalFrame> frameForCurrentScale() const;
Ref<NodeList> collectIntersectionOrEnclosureList(SVGRect&, SVGElement*, bool (*checkFunction)(SVGElement&, SVGRect&));
RefPtr<SVGViewElement> findViewAnchor(StringView fragmentIdentifier) const;
SVGSVGElement* findRootAnchor(const SVGViewElement*) const;
SVGSVGElement* findRootAnchor(StringView) const;
bool m_useCurrentView { false };
Ref<SMILTimeContainer> m_timeContainer;
RefPtr<SVGViewSpec> m_viewSpec;
RefPtr<SVGViewElement> m_currentViewElement;
String m_currentViewFragmentIdentifier;
Ref<SVGPoint> m_currentTranslate { SVGPoint::create() };
Ref<SVGAnimatedLength> m_x { SVGAnimatedLength::create(this, SVGLengthMode::Width) };
Ref<SVGAnimatedLength> m_y { SVGAnimatedLength::create(this, SVGLengthMode::Height) };
Ref<SVGAnimatedLength> m_width { SVGAnimatedLength::create(this, SVGLengthMode::Width, "100%"_s) };
Ref<SVGAnimatedLength> m_height { SVGAnimatedLength::create(this, SVGLengthMode::Height, "100%"_s) };
};
} // namespace WebCore
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