| /* |
| * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Google, Inc. |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef LayoutSVGViewportContainer_h |
| #define LayoutSVGViewportContainer_h |
| |
| #include "core/layout/svg/LayoutSVGContainer.h" |
| |
| namespace blink { |
| |
| class SVGSVGElement; |
| |
| // This is used for non-root <svg> elements which are SVGTransformable thus we |
| // inherit from LayoutSVGContainer instead of LayoutSVGTransformableContainer. |
| class LayoutSVGViewportContainer final : public LayoutSVGContainer { |
| public: |
| explicit LayoutSVGViewportContainer(SVGSVGElement*); |
| FloatRect Viewport() const { return viewport_; } |
| |
| bool IsLayoutSizeChanged() const { return is_layout_size_changed_; } |
| |
| void SetNeedsTransformUpdate() override; |
| |
| const char* GetName() const override { return "LayoutSVGViewportContainer"; } |
| |
| AffineTransform LocalToSVGParentTransform() const override { |
| return local_to_parent_transform_; |
| } |
| |
| private: |
| bool IsOfType(LayoutObjectType type) const override { |
| return type == kLayoutObjectSVGViewportContainer || |
| LayoutSVGContainer::IsOfType(type); |
| } |
| |
| void UpdateLayout() override; |
| |
| SVGTransformChange CalculateLocalTransform() override; |
| |
| bool NodeAtFloatPoint(HitTestResult&, |
| const FloatPoint& point_in_parent, |
| HitTestAction) override; |
| |
| FloatRect viewport_; |
| mutable AffineTransform local_to_parent_transform_; |
| bool is_layout_size_changed_ : 1; |
| bool needs_transform_update_ : 1; |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGViewportContainer, |
| IsSVGViewportContainer()); |
| |
| } // namespace blink |
| |
| #endif // LayoutSVGViewportContainer_h |