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/*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010-2012. 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_LAYOUT_SVG_TEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_LAYOUT_SVG_TEXT_H_
#include "third_party/blink/renderer/core/layout/svg/layout_svg_block.h"
namespace blink {
class LayoutSVGInlineText;
class SVGTextElement;
class LayoutSVGText final : public LayoutSVGBlock {
public:
explicit LayoutSVGText(SVGTextElement*);
~LayoutSVGText() override;
bool IsChildAllowed(LayoutObject*, const ComputedStyle&) const override;
void SetNeedsPositioningValuesUpdate() {
needs_positioning_values_update_ = true;
}
void SetNeedsTransformUpdate() override { needs_transform_update_ = true; }
void SetNeedsTextMetricsUpdate() { needs_text_metrics_update_ = true; }
FloatRect VisualRectInLocalSVGCoordinates() const override;
FloatRect ObjectBoundingBox() const override;
FloatRect StrokeBoundingBox() const override;
bool IsObjectBoundingBoxValid() const;
void AddOutlineRects(Vector<PhysicalRect>&,
const PhysicalOffset& additional_offset,
NGOutlineType) const override;
static LayoutSVGText* LocateLayoutSVGTextAncestor(LayoutObject*);
static const LayoutSVGText* LocateLayoutSVGTextAncestor(const LayoutObject*);
static void NotifySubtreeStructureChanged(LayoutObject*,
LayoutInvalidationReasonForTracing);
bool NeedsReordering() const { return needs_reordering_; }
const Vector<LayoutSVGInlineText*>& DescendantTextNodes() const {
return descendant_text_nodes_;
}
void RecalcVisualOverflow() override;
const char* GetName() const override { return "LayoutSVGText"; }
private:
bool AllowsOverflowClip() const override { return false; }
bool IsOfType(LayoutObjectType type) const override {
return type == kLayoutObjectSVGText || LayoutSVGBlock::IsOfType(type);
}
void Paint(const PaintInfo&) const override;
bool NodeAtPoint(HitTestResult&,
const HitTestLocation&,
const PhysicalOffset& accumulated_offset,
HitTestAction) override;
PositionWithAffinity PositionForPoint(const PhysicalOffset&) const override;
void UpdateLayout() override;
void AbsoluteQuads(Vector<FloatQuad>&,
MapCoordinatesFlags mode = 0) const override;
void AddChild(LayoutObject* child,
LayoutObject* before_child = nullptr) override;
void RemoveChild(LayoutObject*) override;
void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override;
void WillBeDestroyed() override;
RootInlineBox* CreateRootInlineBox() override;
void SubtreeStructureChanged(LayoutInvalidationReasonForTracing);
bool needs_reordering_ : 1;
bool needs_positioning_values_update_ : 1;
bool needs_transform_update_ : 1;
bool needs_text_metrics_update_ : 1;
Vector<LayoutSVGInlineText*> descendant_text_nodes_;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGText, IsSVGText());
} // namespace blink
#endif
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