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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 #include "core/dom/MarkerPseudoElement.h" | |
7 | |
8 #include "core/rendering/RenderBlockFlow.h" | |
9 #include "core/rendering/RenderListItem.h" | |
10 #include "core/rendering/RenderListMarker.h" | |
11 | |
12 namespace blink { | |
13 | |
14 MarkerPseudoElement::MarkerPseudoElement(Element* parent) | |
15 : PseudoElement(parent, MARKER) | |
16 { | |
17 } | |
18 | |
19 MarkerPseudoElement::~MarkerPseudoElement() | |
20 { | |
21 } | |
22 | |
23 RenderObject* MarkerPseudoElement::getParentOfFirstLineBox(RenderBlockFlow* curr , const RenderObject* marker) | |
24 { | |
25 RenderObject* firstChild = curr->firstChild(); | |
26 if (!firstChild) | |
27 return nullptr; | |
28 | |
29 bool inQuirksMode = curr->document().inQuirksMode(); | |
30 for (RenderObject* currChild = firstChild; currChild; currChild = currChild- >nextSibling()) { | |
31 if (currChild == marker) | |
32 continue; | |
33 | |
34 if (currChild->isInline() && (!currChild->isRenderInline() || curr->gene ratesLineBoxesForInlineChild(currChild))) | |
35 return curr; | |
36 | |
37 if (currChild->isFloating() || currChild->isOutOfFlowPositioned()) | |
38 continue; | |
39 | |
40 if (!currChild->isRenderBlockFlow() || (currChild->isBox() && toRenderBo x(currChild)->isWritingModeRoot())) | |
41 break; | |
42 | |
43 if (curr->isListItem() && inQuirksMode && currChild->node() && | |
44 (isHTMLUListElement(*currChild->node()) || isHTMLOListElement(*currC hild->node()))) | |
45 break; | |
46 | |
47 if (RenderObject* lineBox = getParentOfFirstLineBox(toRenderBlockFlow(cu rrChild), marker)) | |
48 return lineBox; | |
49 } | |
50 | |
51 return nullptr; | |
52 } | |
Julien - ping for review
2014/12/05 19:44:03
Does that code really still apply with a pseudo?
dsinclair
2015/01/23 20:46:36
Yes, we still have to put the renderer somewhere.
| |
53 | |
54 RenderObject* MarkerPseudoElement::firstNonMarkerChild(RenderObject* parent) | |
55 { | |
56 RenderObject* result = parent->slowFirstChild(); | |
57 while (result && result->isListMarker()) | |
58 result = result->nextSibling(); | |
59 return result; | |
60 } | |
61 | |
62 RenderObject* MarkerPseudoElement::createRenderer(RenderStyle* style) | |
63 { | |
64 ASSERT(parentElement()->renderer()); | |
65 RenderListMarker* marker = RenderListMarker::createAnonymous(toRenderListIte m(parentElement()->renderer())); | |
66 marker->setStyle(style); | |
67 return marker; | |
68 } | |
69 | |
70 void MarkerPseudoElement::attachListMarkerRenderer() | |
71 { | |
72 RenderListItem* parentRenderer = toRenderListItem(parentElement()->renderer( )); | |
73 ASSERT(parentRenderer); | |
74 ASSERT(parentRenderer->isListItem()); | |
Julien - ping for review
2014/12/05 19:44:03
*cough, cough* toRenderListItem(parentRenderer) *c
dsinclair
2015/01/23 20:46:36
Done.
| |
75 | |
76 ASSERT(renderer()); | |
Julien - ping for review
2014/12/05 19:44:04
Probably bad assumption no? How about changing dis
dsinclair
2015/01/23 20:46:36
I believe this is safe, if we have a pseudo elemen
| |
77 RenderListMarker* marker = toRenderListMarker(renderer()); | |
78 | |
79 RenderObject* markerParent = marker->parent(); | |
80 ASSERT(markerParent); | |
dsinclair
2015/01/23 20:46:36
This one, on the other hand, is a bad assumption.
| |
81 | |
82 RenderObject* insertionRenderer = MarkerPseudoElement::getParentOfFirstLineB ox(parentRenderer, marker); | |
83 | |
84 // We didn't find any line boxes so make the insertion point the LI renderer . | |
85 if (!insertionRenderer) | |
86 insertionRenderer = parentRenderer; | |
87 ASSERT(insertionRenderer); | |
88 | |
89 // Check if we're already inserted into the right parent as the first child. | |
90 if (marker == markerParent->slowFirstChild() && | |
91 (markerParent == insertionRenderer || markerParent == insertionRenderer- >slowFirstChild())) | |
92 return; | |
93 | |
94 marker->remove(); | |
95 insertionRenderer->addChild(marker, MarkerPseudoElement::firstNonMarkerChild (insertionRenderer)); | |
96 marker->updateMarginsAndContent(); | |
97 | |
98 // If markerParent is an anonymous block with no children, destroy it. | |
99 if (markerParent->isAnonymousBlock() && !toRenderBlock(markerParent)->firstC hild() && !toRenderBlock(markerParent)->continuation()) | |
100 markerParent->destroy(); | |
101 | |
102 if (marker->isInside()) | |
103 parentRenderer->containingBlock()->updateLogicalWidth(); | |
104 } | |
105 | |
106 void MarkerPseudoElement::attach(const AttachContext& context) | |
107 { | |
108 PseudoElement::attach(context); | |
109 ASSERT(renderer()); | |
Julien - ping for review
2014/12/05 19:44:03
Same comment, is this assumption correct?
dsinclair
2015/01/23 20:46:36
As above.
| |
110 toRenderListMarker(renderer())->listItemStyleDidChange(); | |
111 } | |
112 | |
113 void MarkerPseudoElement::didRecalcStyle(StyleRecalcChange) | |
114 { | |
115 attachListMarkerRenderer(); | |
116 } | |
117 | |
118 } // namespace blink | |
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