1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "RenderTreeBuilderSVG.h"
28
29#include "RenderSVGContainer.h"
30#include "RenderSVGInline.h"
31#include "RenderSVGRoot.h"
32#include "RenderSVGText.h"
33#include "RenderTreeBuilderBlock.h"
34#include "RenderTreeBuilderBlockFlow.h"
35#include "RenderTreeBuilderInline.h"
36#include "SVGResourcesCache.h"
37
38namespace WebCore {
39
40RenderTreeBuilder::SVG::SVG(RenderTreeBuilder& builder)
41 : m_builder(builder)
42{
43}
44
45void RenderTreeBuilder::SVG::attach(RenderSVGContainer& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
46{
47 auto& childToAdd = *child;
48 m_builder.attachToRenderElement(parent, WTFMove(child), beforeChild);
49 SVGResourcesCache::clientWasAddedToTree(childToAdd);
50}
51
52void RenderTreeBuilder::SVG::attach(RenderSVGInline& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
53{
54 auto& childToAdd = *child;
55 m_builder.inlineBuilder().attach(parent, WTFMove(child), beforeChild);
56 SVGResourcesCache::clientWasAddedToTree(childToAdd);
57
58 if (auto* textAncestor = RenderSVGText::locateRenderSVGTextAncestor(parent))
59 textAncestor->subtreeChildWasAdded(&childToAdd);
60}
61
62void RenderTreeBuilder::SVG::attach(RenderSVGRoot& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
63{
64 auto& childToAdd = *child;
65 m_builder.attachToRenderElement(parent, WTFMove(child), beforeChild);
66 SVGResourcesCache::clientWasAddedToTree(childToAdd);
67}
68
69void RenderTreeBuilder::SVG::attach(RenderSVGText& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
70{
71 auto& childToAdd = *child;
72 m_builder.blockFlowBuilder().attach(parent, WTFMove(child), beforeChild);
73
74 SVGResourcesCache::clientWasAddedToTree(childToAdd);
75 parent.subtreeChildWasAdded(&childToAdd);
76}
77
78RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGText& parent, RenderObject& child)
79{
80 SVGResourcesCache::clientWillBeRemovedFromTree(child);
81
82 Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
83 parent.subtreeChildWillBeRemoved(&child, affectedAttributes);
84 auto takenChild = m_builder.blockBuilder().detach(parent, child);
85 parent.subtreeChildWasRemoved(affectedAttributes);
86 return takenChild;
87}
88
89RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGInline& parent, RenderObject& child)
90{
91 SVGResourcesCache::clientWillBeRemovedFromTree(child);
92
93 auto* textAncestor = RenderSVGText::locateRenderSVGTextAncestor(parent);
94 if (!textAncestor)
95 return m_builder.detachFromRenderElement(parent, child);
96
97 Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
98 textAncestor->subtreeChildWillBeRemoved(&child, affectedAttributes);
99 auto takenChild = m_builder.detachFromRenderElement(parent, child);
100 textAncestor->subtreeChildWasRemoved(affectedAttributes);
101 return takenChild;
102}
103
104RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGContainer& parent, RenderObject& child)
105{
106 SVGResourcesCache::clientWillBeRemovedFromTree(child);
107 return m_builder.detachFromRenderElement(parent, child);
108}
109
110RenderPtr<RenderObject> RenderTreeBuilder::SVG::detach(RenderSVGRoot& parent, RenderObject& child)
111{
112 SVGResourcesCache::clientWillBeRemovedFromTree(child);
113 return m_builder.detachFromRenderElement(parent, child);
114}
115
116}
117