| /* |
| * 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<LayoutRect>&, |
| const LayoutPoint& additional_offset, |
| NGOutlineType) const override; |
| |
| static LayoutSVGText* LocateLayoutSVGTextAncestor(LayoutObject*); |
| static const LayoutSVGText* LocateLayoutSVGTextAncestor(const LayoutObject*); |
| |
| bool NeedsReordering() const { return needs_reordering_; } |
| const Vector<LayoutSVGInlineText*>& DescendantTextNodes() const { |
| return descendant_text_nodes_; |
| } |
| |
| void SubtreeChildWasAdded(); |
| void SubtreeChildWillBeRemoved(); |
| void SubtreeTextDidChange(); |
| |
| 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& location_in_parent, |
| const LayoutPoint& accumulated_offset, |
| HitTestAction) override; |
| PositionWithAffinity PositionForPoint(const LayoutPoint&) 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 InvalidatePositioningValues(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 |