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Side by Side Diff: Source/core/dom/PseudoElement.cpp

Issue 672953002: Convert first letter into a pseudo element. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 1 month ago
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1 /* 1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its 10 * * Neither the name of Google Inc. nor the names of its
11 * contributors may be used to endorse or promote products derived from 11 * contributors may be used to endorse or promote products derived from
12 * this software without specific prior written permission. 12 * this software without specific prior written permission.
13 * 13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */ 25 */
26 26
27 #include "config.h" 27 #include "config.h"
28 #include "core/dom/PseudoElement.h" 28 #include "core/dom/PseudoElement.h"
29 29
30 #include "core/dom/FirstLetterPseudoElement.h"
30 #include "core/inspector/InspectorInstrumentation.h" 31 #include "core/inspector/InspectorInstrumentation.h"
31 #include "core/rendering/RenderObject.h" 32 #include "core/rendering/RenderObject.h"
32 #include "core/rendering/RenderQuote.h" 33 #include "core/rendering/RenderQuote.h"
33 #include "core/rendering/style/ContentData.h" 34 #include "core/rendering/style/ContentData.h"
34 35
35 namespace blink { 36 namespace blink {
36 37
38 PassRefPtrWillBeRawPtr<PseudoElement> PseudoElement::create(Element* parent, Pse udoId pseudoId)
39 {
40 return adoptRefWillBeNoop(new PseudoElement(parent, pseudoId));
41 }
42
37 const QualifiedName& pseudoElementTagName(PseudoId pseudoId) 43 const QualifiedName& pseudoElementTagName(PseudoId pseudoId)
38 { 44 {
39 switch (pseudoId) { 45 switch (pseudoId) {
40 case AFTER: { 46 case AFTER: {
41 DEFINE_STATIC_LOCAL(QualifiedName, after, (nullAtom, "<pseudo:after>", n ullAtom)); 47 DEFINE_STATIC_LOCAL(QualifiedName, after, (nullAtom, "<pseudo:after>", n ullAtom));
42 return after; 48 return after;
43 } 49 }
44 case BEFORE: { 50 case BEFORE: {
45 DEFINE_STATIC_LOCAL(QualifiedName, before, (nullAtom, "<pseudo:before>", nullAtom)); 51 DEFINE_STATIC_LOCAL(QualifiedName, before, (nullAtom, "<pseudo:before>", nullAtom));
46 return before; 52 return before;
47 } 53 }
48 case BACKDROP: { 54 case BACKDROP: {
49 DEFINE_STATIC_LOCAL(QualifiedName, backdrop, (nullAtom, "<pseudo:backdro p>", nullAtom)); 55 DEFINE_STATIC_LOCAL(QualifiedName, backdrop, (nullAtom, "<pseudo:backdro p>", nullAtom));
50 return backdrop; 56 return backdrop;
51 } 57 }
58 case FIRST_LETTER: {
59 DEFINE_STATIC_LOCAL(QualifiedName, firstLetter, (nullAtom, "<pseudo:firs t-letter>", nullAtom));
60 return firstLetter;
61 }
52 default: { 62 default: {
53 ASSERT_NOT_REACHED(); 63 ASSERT_NOT_REACHED();
54 } 64 }
55 } 65 }
56 DEFINE_STATIC_LOCAL(QualifiedName, name, (nullAtom, "<pseudo>", nullAtom)); 66 DEFINE_STATIC_LOCAL(QualifiedName, name, (nullAtom, "<pseudo>", nullAtom));
57 return name; 67 return name;
58 } 68 }
59 69
60 String PseudoElement::pseudoElementNameForEvents(PseudoId pseudoId) 70 String PseudoElement::pseudoElementNameForEvents(PseudoId pseudoId)
61 { 71 {
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
102 112
103 void PseudoElement::attach(const AttachContext& context) 113 void PseudoElement::attach(const AttachContext& context)
104 { 114 {
105 ASSERT(!renderer()); 115 ASSERT(!renderer());
106 116
107 Element::attach(context); 117 Element::attach(context);
108 118
109 RenderObject* renderer = this->renderer(); 119 RenderObject* renderer = this->renderer();
110 if (!renderer) 120 if (!renderer)
111 return; 121 return;
122
112 RenderStyle* style = renderer->style(); 123 RenderStyle* style = renderer->style();
113 if (style->styleType() != BEFORE && style->styleType() != AFTER) 124 if (style->styleType() != BEFORE && style->styleType() != AFTER)
114 return; 125 return;
115 ASSERT(style->contentData()); 126 ASSERT(style->contentData());
116 127
117 for (const ContentData* content = style->contentData(); content; content = c ontent->next()) { 128 for (const ContentData* content = style->contentData(); content; content = c ontent->next()) {
118 RenderObject* child = content->createRenderer(document(), style); 129 RenderObject* child = content->createRenderer(document(), style);
119 if (renderer->isChildAllowed(child, style)) { 130 if (renderer->isChildAllowed(child, style)) {
120 renderer->addChild(child); 131 renderer->addChild(child);
121 if (child->isQuote()) 132 if (child->isQuote())
(...skipping 14 matching lines...) Expand all
136 return; 147 return;
137 148
138 // The renderers inside pseudo elements are anonymous so they don't get noti fied of recalcStyle and must have 149 // The renderers inside pseudo elements are anonymous so they don't get noti fied of recalcStyle and must have
139 // the style propagated downward manually similar to RenderObject::propagate StyleToAnonymousChildren. 150 // the style propagated downward manually similar to RenderObject::propagate StyleToAnonymousChildren.
140 RenderObject* renderer = this->renderer(); 151 RenderObject* renderer = this->renderer();
141 for (RenderObject* child = renderer->nextInPreOrder(renderer); child; child = child->nextInPreOrder(renderer)) { 152 for (RenderObject* child = renderer->nextInPreOrder(renderer); child; child = child->nextInPreOrder(renderer)) {
142 // We only manage the style for the generated content items. 153 // We only manage the style for the generated content items.
143 if (!child->isText() && !child->isQuote() && !child->isImage()) 154 if (!child->isText() && !child->isQuote() && !child->isImage())
144 continue; 155 continue;
145 156
146 // The style for the RenderTextFragment for first letter is managed by a n enclosing block, not by us.
147 if (child->style()->styleType() == FIRST_LETTER)
148 continue;
149
150 child->setPseudoStyle(renderer->style()); 157 child->setPseudoStyle(renderer->style());
151 } 158 }
152 } 159 }
153 160
154 } // namespace 161 } // namespace
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