1/*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGTransformListPropertyTearOff_h
21#define SVGTransformListPropertyTearOff_h
22
23#if ENABLE(SVG)
24#include "SVGListPropertyTearOff.h"
25#include "SVGTransformList.h"
26
27namespace WebCore {
28
29// SVGTransformList contains two additional methods, that can be exposed to the bindings.
30class SVGTransformListPropertyTearOff : public SVGListPropertyTearOff<SVGTransformList> {
31public:
32    typedef SVGAnimatedListPropertyTearOff<SVGTransformList> AnimatedListPropertyTearOff;
33    typedef SVGAnimatedListPropertyTearOff<SVGTransformList>::ListWrapperCache ListWrapperCache;
34
35    static PassRefPtr<SVGListPropertyTearOff<SVGTransformList> > create(AnimatedListPropertyTearOff* animatedProperty, SVGPropertyRole role)
36    {
37        ASSERT(animatedProperty);
38        return adoptRef(new SVGTransformListPropertyTearOff(animatedProperty, role));
39    }
40
41    PassRefPtr<SVGPropertyTearOff<SVGTransform> > createSVGTransformFromMatrix(SVGPropertyTearOff<SVGMatrix>* matrix, ExceptionCode& ec)
42    {
43        if (!matrix) {
44            ec = TYPE_MISMATCH_ERR;
45            return 0;
46        }
47        SVGTransformList& values = m_animatedProperty->values();
48        return SVGPropertyTearOff<SVGTransform>::create(values.createSVGTransformFromMatrix(matrix->propertyReference()));
49    }
50
51    PassRefPtr<SVGPropertyTearOff<SVGTransform> > consolidate(ExceptionCode& ec)
52    {
53        if (!canAlterList(ec))
54            return 0;
55
56        SVGTransformList& values = m_animatedProperty->values();
57        ListWrapperCache& wrappers = m_animatedProperty->wrappers();
58        ASSERT(values.size() == wrappers.size());
59
60        // Spec: If the list was empty, then a value of null is returned.
61        if (values.isEmpty())
62            return 0;
63
64        m_animatedProperty->detachListWrappers(0);
65        RefPtr<SVGPropertyTearOff<SVGTransform> > wrapper = SVGPropertyTearOff<SVGTransform>::create(values.consolidate());
66        wrappers.append(wrapper);
67
68        ASSERT(values.size() == wrappers.size());
69        return wrapper.release();
70    }
71
72private:
73    SVGTransformListPropertyTearOff(AnimatedListPropertyTearOff* animatedProperty, SVGPropertyRole role)
74        : SVGListPropertyTearOff<SVGTransformList>(animatedProperty, role)
75    {
76    }
77
78};
79
80}
81
82#endif // ENABLE(SVG)
83#endif // SVGListPropertyTearOff_h
84