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 "core/rendering/svg/RenderSVGContainer.h"
25
26namespace blink {
27
28class SVGGraphicsElement;
29class RenderSVGTransformableContainer FINAL : public RenderSVGContainer {
30public:
31    explicit RenderSVGTransformableContainer(SVGGraphicsElement*);
32
33    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
34
35    virtual bool isSVGTransformableContainer() const OVERRIDE { return true; }
36    virtual const AffineTransform& localToParentTransform() const OVERRIDE { return m_localTransform; }
37    virtual void setNeedsTransformUpdate() OVERRIDE { m_needsTransformUpdate = true; }
38    virtual bool didTransformToRootUpdate() OVERRIDE { return m_didTransformToRootUpdate; }
39
40private:
41    virtual bool calculateLocalTransform() OVERRIDE;
42    virtual AffineTransform localTransform() const OVERRIDE { return m_localTransform; }
43
44    bool m_needsTransformUpdate : 1;
45    bool m_didTransformToRootUpdate : 1;
46    AffineTransform m_localTransform;
47    FloatSize m_lastTranslation;
48};
49
50}
51
52#endif // RenderSVGTransformableContainer_h
53