1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2009 Google, Inc.
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 RenderSVGTransformableContainer_h
22#define RenderSVGTransformableContainer_h
23
24#include "RenderSVGContainer.h"
25#include "SVGGraphicsElement.h"
26
27namespace WebCore {
28
29class SVGGraphicsElement;
30class RenderSVGTransformableContainer final : public RenderSVGContainer {
31public:
32    RenderSVGTransformableContainer(SVGGraphicsElement&, PassRef<RenderStyle>);
33    SVGGraphicsElement& graphicsElement() { return toSVGGraphicsElement(RenderSVGContainer::element()); }
34
35    virtual bool isSVGTransformableContainer() const { return true; }
36    virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
37    virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
38    virtual bool didTransformToRootUpdate() { return m_didTransformToRootUpdate; }
39
40private:
41    void element() const = delete;
42    virtual bool calculateLocalTransform();
43    virtual AffineTransform localTransform() const { return m_localTransform; }
44
45    bool m_needsTransformUpdate : 1;
46    bool m_didTransformToRootUpdate : 1;
47    AffineTransform m_localTransform;
48    FloatSize m_lastTranslation;
49};
50
51}
52
53#endif // RenderSVGTransformableContainer_h
54