1 /*
2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #ifndef SVGSVGElement_h
22 #define SVGSVGElement_h
23
24 #include "core/svg/SVGAnimatedBoolean.h"
25 #include "core/svg/SVGAnimatedLength.h"
26 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
27 #include "core/svg/SVGAnimatedRect.h"
28 #include "core/svg/SVGExternalResourcesRequired.h"
29 #include "core/svg/SVGFitToViewBox.h"
30 #include "core/svg/SVGGraphicsElement.h"
31 #include "core/svg/SVGZoomAndPan.h"
32 #include "wtf/WeakPtr.h"
33
34 namespace WebCore {
35
36 class SVGAngle;
37 class SVGMatrix;
38 class SVGTransform;
39 class SVGViewSpec;
40 class SVGViewElement;
41 class SMILTimeContainer;
42
43 class SVGSVGElement FINAL : public SVGGraphicsElement,
44 public SVGExternalResourcesRequired,
45 public SVGFitToViewBox,
46 public SVGZoomAndPan {
47 public:
48 static PassRefPtr<SVGSVGElement> create(Document&);
49
50 using SVGGraphicsElement::ref;
51 using SVGGraphicsElement::deref;
52
isValid()53 virtual bool isValid() const { return SVGTests::isValid(); }
supportsFocus()54 virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }
55
56 // 'SVGSVGElement' functions
57 const AtomicString& contentScriptType() const;
58 void setContentScriptType(const AtomicString& type);
59
60 const AtomicString& contentStyleType() const;
61 void setContentStyleType(const AtomicString& type);
62
63 SVGRect viewport() const;
64
65 float pixelUnitToMillimeterX() const;
66 float pixelUnitToMillimeterY() const;
67 float screenPixelToMillimeterX() const;
68 float screenPixelToMillimeterY() const;
69
useCurrentView()70 bool useCurrentView() const { return m_useCurrentView; }
71 SVGViewSpec* currentView();
72
73 enum ConsiderCSSMode {
74 RespectCSSProperties,
75 IgnoreCSSProperties
76 };
77
78 // RenderSVGRoot wants to query the intrinsic size, by only examining the width/height attributes.
79 Length intrinsicWidth(ConsiderCSSMode = RespectCSSProperties) const;
80 Length intrinsicHeight(ConsiderCSSMode = RespectCSSProperties) const;
81 FloatSize currentViewportSize() const;
82 SVGRect currentViewBoxRect() const;
83
84 float currentScale() const;
85 void setCurrentScale(float scale);
86
currentTranslate()87 SVGPoint& currentTranslate() { return m_translation; }
88 void setCurrentTranslate(const FloatPoint&);
89
90 // Only used from the bindings.
91 void updateCurrentTranslate();
92
timeContainer()93 SMILTimeContainer* timeContainer() const { return m_timeContainer.get(); }
94
95 void pauseAnimations();
96 void unpauseAnimations();
97 bool animationsPaused() const;
98
99 float getCurrentTime() const;
100 void setCurrentTime(float seconds);
101
102 unsigned suspendRedraw(unsigned maxWaitMilliseconds);
103 void unsuspendRedraw(unsigned suspendHandleId);
104 void unsuspendRedrawAll();
105 void forceRedraw();
106
107 PassRefPtr<NodeList> getIntersectionList(const SVGRect&, SVGElement* referenceElement) const;
108 PassRefPtr<NodeList> getEnclosureList(const SVGRect&, SVGElement* referenceElement) const;
109 bool checkIntersection(SVGElement*, const SVGRect&) const;
110 bool checkEnclosure(SVGElement*, const SVGRect&) const;
111 void deselectAll();
112
113 static float createSVGNumber();
114 static SVGLength createSVGLength();
115 static SVGAngle createSVGAngle();
116 static SVGPoint createSVGPoint();
117 static SVGMatrix createSVGMatrix();
118 static SVGRect createSVGRect();
119 static SVGTransform createSVGTransform();
120 static SVGTransform createSVGTransformFromMatrix(const SVGMatrix&);
121
122 AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const;
123
124 void setupInitialView(const String& fragmentIdentifier, Element* anchorNode);
125
126 Element* getElementById(const AtomicString&) const;
127
128 bool widthAttributeEstablishesViewport() const;
129 bool heightAttributeEstablishesViewport() const;
130
zoomAndPan()131 SVGZoomAndPanType zoomAndPan() const { return m_zoomAndPan; }
setZoomAndPan(unsigned short zoomAndPan)132 void setZoomAndPan(unsigned short zoomAndPan) { m_zoomAndPan = SVGZoomAndPan::parseFromNumber(zoomAndPan); }
133
hasEmptyViewBox()134 bool hasEmptyViewBox() const { return viewBoxCurrentValue().isValid() && viewBoxCurrentValue().isEmpty(); }
135
136 private:
137 explicit SVGSVGElement(Document&);
138 virtual ~SVGSVGElement();
139
isSVGSVGElement()140 virtual bool isSVGSVGElement() const OVERRIDE { return true; }
141
142 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
143
144 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
145 virtual RenderObject* createRenderer(RenderStyle*);
146
147 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
148 virtual void removedFrom(ContainerNode*) OVERRIDE;
149
150 virtual void svgAttributeChanged(const QualifiedName&);
151
152 virtual bool selfHasRelativeLengths() const;
153
154 void inheritViewAttributes(SVGViewElement*);
155
156 enum CollectIntersectionOrEnclosure {
157 CollectIntersectionList,
158 CollectEnclosureList
159 };
160
161 PassRefPtr<NodeList> collectIntersectionOrEnclosureList(const SVGRect&, SVGElement*, CollectIntersectionOrEnclosure) const;
162
163 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGSVGElement)
164 DECLARE_ANIMATED_LENGTH(X, x)
165 DECLARE_ANIMATED_LENGTH(Y, y)
166 DECLARE_ANIMATED_LENGTH(Width, width)
167 DECLARE_ANIMATED_LENGTH(Height, height)
168 DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
169 DECLARE_ANIMATED_RECT(ViewBox, viewBox)
170 DECLARE_ANIMATED_PRESERVEASPECTRATIO(PreserveAspectRatio, preserveAspectRatio)
171 END_DECLARE_ANIMATED_PROPERTIES
172
173 virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const;
174
175 bool m_useCurrentView;
176 SVGZoomAndPanType m_zoomAndPan;
177 RefPtr<SMILTimeContainer> m_timeContainer;
178 SVGPoint m_translation;
179 RefPtr<SVGViewSpec> m_viewSpec;
180 WeakPtrFactory<SVGSVGElement> m_weakFactory;
181 };
182
isSVGSVGElement(const Node & node)183 inline bool isSVGSVGElement(const Node& node)
184 {
185 return node.isSVGElement() && toSVGElement(node).isSVGSVGElement();
186 }
187
188 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGSVGElement);
189
190 } // namespace WebCore
191
192 #endif
193