1/*
2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#ifndef SVGAngle_h
23#define SVGAngle_h
24
25#include "core/svg/SVGEnumeration.h"
26#include "core/svg/properties/SVGPropertyHelper.h"
27
28namespace blink {
29
30class SVGAngle;
31class SVGAngleTearOff;
32
33enum SVGMarkerOrientType {
34    SVGMarkerOrientUnknown = 0,
35    SVGMarkerOrientAuto,
36    SVGMarkerOrientAngle,
37    SVGMarkerOrientAutoStartReverse
38};
39template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGMarkerOrientType>();
40template<> unsigned short getMaxExposedEnumValue<SVGMarkerOrientType>();
41
42class SVGMarkerOrientEnumeration : public SVGEnumeration<SVGMarkerOrientType> {
43public:
44    static PassRefPtr<SVGMarkerOrientEnumeration> create(SVGAngle* angle)
45    {
46        return adoptRef(new SVGMarkerOrientEnumeration(angle));
47    }
48
49    virtual ~SVGMarkerOrientEnumeration();
50
51    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) OVERRIDE;
52    virtual void calculateAnimatedValue(SVGAnimationElement*, float, unsigned, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, PassRefPtr<SVGPropertyBase>, SVGElement*) OVERRIDE;
53    virtual float calculateDistance(PassRefPtr<SVGPropertyBase>, SVGElement*) OVERRIDE;
54
55private:
56    SVGMarkerOrientEnumeration(SVGAngle*);
57
58    virtual void notifyChange() OVERRIDE;
59
60    // FIXME: oilpan: This is kept as raw-ptr to avoid reference cycles. Should be Member in oilpan.
61    SVGAngle* m_angle;
62};
63
64class SVGAngle : public SVGPropertyHelper<SVGAngle> {
65public:
66    typedef SVGAngleTearOff TearOffType;
67
68    enum SVGAngleType {
69        SVG_ANGLETYPE_UNKNOWN = 0,
70        SVG_ANGLETYPE_UNSPECIFIED = 1,
71        SVG_ANGLETYPE_DEG = 2,
72        SVG_ANGLETYPE_RAD = 3,
73        SVG_ANGLETYPE_GRAD = 4,
74        SVG_ANGLETYPE_TURN = 5
75    };
76
77    static PassRefPtr<SVGAngle> create()
78    {
79        return adoptRef(new SVGAngle());
80    }
81
82    virtual ~SVGAngle();
83
84    SVGAngleType unitType() const { return m_unitType; }
85
86    void setValue(float);
87    float value() const;
88
89    void setValueInSpecifiedUnits(float valueInSpecifiedUnits) { m_valueInSpecifiedUnits = valueInSpecifiedUnits; }
90    float valueInSpecifiedUnits() const { return m_valueInSpecifiedUnits; }
91
92    void newValueSpecifiedUnits(SVGAngleType unitType, float valueInSpecifiedUnits);
93    void convertToSpecifiedUnits(SVGAngleType unitType, ExceptionState&);
94
95    SVGEnumeration<SVGMarkerOrientType>* orientType() { return m_orientType.get(); }
96    void orientTypeChanged();
97
98    // SVGPropertyBase:
99
100    PassRefPtr<SVGAngle> clone() const;
101
102    virtual String valueAsString() const OVERRIDE;
103    void setValueAsString(const String&, ExceptionState&);
104
105    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) OVERRIDE;
106    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) OVERRIDE;
107    virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) OVERRIDE;
108
109    static AnimatedPropertyType classType() { return AnimatedAngle; }
110
111private:
112    SVGAngle();
113    SVGAngle(SVGAngleType, float, SVGMarkerOrientType);
114
115    SVGAngleType m_unitType;
116    float m_valueInSpecifiedUnits;
117    RefPtr<SVGMarkerOrientEnumeration> m_orientType;
118};
119
120inline PassRefPtr<SVGAngle> toSVGAngle(PassRefPtr<SVGPropertyBase> passBase)
121{
122    RefPtr<SVGPropertyBase> base = passBase;
123    ASSERT(base->type() == SVGAngle::classType());
124    return static_pointer_cast<SVGAngle>(base.release());
125}
126
127} // namespace blink
128
129#endif // SVGAngle_h
130