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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2007 Rob Buis | 2 * Copyright (C) 2006, 2007 Rob Buis |
| 3 * Copyright (C) 2008 Apple, Inc. All rights reserved. | 3 * Copyright (C) 2008 Apple, Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
| 14 * | 14 * |
| 15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
| 16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
| 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
| 19 */ | 19 */ |
| 20 | 20 |
| 21 #include "config.h" | 21 #include "config.h" |
| 22 #include "core/dom/StyleElement.h" | 22 #include "core/dom/StyleElement.h" |
| 23 | 23 |
| 24 #include "core/css/MediaList.h" | 24 #include "core/css/MediaList.h" |
| 25 #include "core/css/MediaQueryEvaluator.h" | 25 #include "core/css/MediaQueryEvaluator.h" |
| 26 #include "core/css/StyleSheetContents.h" | 26 #include "core/css/StyleSheetContents.h" |
| 27 #include "core/dom/Document.h" | 27 #include "core/dom/Document.h" |
| 28 #include "core/dom/Element.h" | 28 #include "core/dom/Element.h" |
| 29 #include "core/dom/ScriptableDocumentParser.h" | 29 #include "core/dom/ScriptableDocumentParser.h" |
| 30 #include "core/dom/StyleSheetCollections.h" | 30 #include "core/dom/StyleEngine.h" |
| 31 #include "core/html/HTMLStyleElement.h" | 31 #include "core/html/HTMLStyleElement.h" |
| 32 #include "core/page/ContentSecurityPolicy.h" | 32 #include "core/page/ContentSecurityPolicy.h" |
| 33 #include "wtf/text/StringBuilder.h" | 33 #include "wtf/text/StringBuilder.h" |
| 34 #include "wtf/text/TextPosition.h" | 34 #include "wtf/text/TextPosition.h" |
| 35 | 35 |
| 36 namespace WebCore { | 36 namespace WebCore { |
| 37 | 37 |
| 38 static bool isCSS(Element* element, const AtomicString& type) | 38 static bool isCSS(Element* element, const AtomicString& type) |
| 39 { | 39 { |
| 40 return type.isEmpty() || (element->isHTMLElement() ? equalIgnoringCase(type,
"text/css") : (type == "text/css")); | 40 return type.isEmpty() || (element->isHTMLElement() ? equalIgnoringCase(type,
"text/css") : (type == "text/css")); |
| (...skipping 10 matching lines...) Expand all Loading... |
| 51 | 51 |
| 52 StyleElement::~StyleElement() | 52 StyleElement::~StyleElement() |
| 53 { | 53 { |
| 54 if (m_sheet) | 54 if (m_sheet) |
| 55 clearSheet(); | 55 clearSheet(); |
| 56 } | 56 } |
| 57 | 57 |
| 58 void StyleElement::processStyleSheet(Document& document, Element* element) | 58 void StyleElement::processStyleSheet(Document& document, Element* element) |
| 59 { | 59 { |
| 60 ASSERT(element); | 60 ASSERT(element); |
| 61 document.styleSheetCollections()->addStyleSheetCandidateNode(element, m_crea
tedByParser); | 61 document.styleEngine()->addStyleSheetCandidateNode(element, m_createdByParse
r); |
| 62 if (m_createdByParser) | 62 if (m_createdByParser) |
| 63 return; | 63 return; |
| 64 | 64 |
| 65 process(element); | 65 process(element); |
| 66 } | 66 } |
| 67 | 67 |
| 68 void StyleElement::removedFromDocument(Document& document, Element* element, Con
tainerNode* scopingNode) | 68 void StyleElement::removedFromDocument(Document& document, Element* element, Con
tainerNode* scopingNode) |
| 69 { | 69 { |
| 70 ASSERT(element); | 70 ASSERT(element); |
| 71 document.styleSheetCollections()->removeStyleSheetCandidateNode(element, sco
pingNode); | 71 document.styleEngine()->removeStyleSheetCandidateNode(element, scopingNode); |
| 72 | 72 |
| 73 RefPtr<StyleSheet> removedSheet = m_sheet; | 73 RefPtr<StyleSheet> removedSheet = m_sheet; |
| 74 | 74 |
| 75 if (m_sheet) | 75 if (m_sheet) |
| 76 clearSheet(); | 76 clearSheet(); |
| 77 | 77 |
| 78 // If we're in document teardown, then we don't need to do any notification
of our sheet's removal. | 78 // If we're in document teardown, then we don't need to do any notification
of our sheet's removal. |
| 79 if (document.renderer()) | 79 if (document.renderer()) |
| 80 document.removedStyleSheet(removedSheet.get()); | 80 document.removedStyleSheet(removedSheet.get()); |
| 81 } | 81 } |
| 82 | 82 |
| 83 void StyleElement::clearDocumentData(Document& document, Element* element) | 83 void StyleElement::clearDocumentData(Document& document, Element* element) |
| 84 { | 84 { |
| 85 if (m_sheet) | 85 if (m_sheet) |
| 86 m_sheet->clearOwnerNode(); | 86 m_sheet->clearOwnerNode(); |
| 87 | 87 |
| 88 if (element->inDocument()) | 88 if (element->inDocument()) |
| 89 document.styleSheetCollections()->removeStyleSheetCandidateNode(element,
isHTMLStyleElement(element) ? toHTMLStyleElement(element)->scopingNode() : 0); | 89 document.styleEngine()->removeStyleSheetCandidateNode(element, isHTMLSty
leElement(element) ? toHTMLStyleElement(element)->scopingNode() : 0); |
| 90 } | 90 } |
| 91 | 91 |
| 92 void StyleElement::childrenChanged(Element* element) | 92 void StyleElement::childrenChanged(Element* element) |
| 93 { | 93 { |
| 94 ASSERT(element); | 94 ASSERT(element); |
| 95 if (m_createdByParser) | 95 if (m_createdByParser) |
| 96 return; | 96 return; |
| 97 | 97 |
| 98 process(element); | 98 process(element); |
| 99 } | 99 } |
| (...skipping 18 matching lines...) Expand all Loading... |
| 118 m_sheet.release()->clearOwnerNode(); | 118 m_sheet.release()->clearOwnerNode(); |
| 119 } | 119 } |
| 120 | 120 |
| 121 void StyleElement::createSheet(Element* e, const String& text) | 121 void StyleElement::createSheet(Element* e, const String& text) |
| 122 { | 122 { |
| 123 ASSERT(e); | 123 ASSERT(e); |
| 124 ASSERT(e->inDocument()); | 124 ASSERT(e->inDocument()); |
| 125 Document& document = e->document(); | 125 Document& document = e->document(); |
| 126 if (m_sheet) { | 126 if (m_sheet) { |
| 127 if (m_sheet->isLoading()) | 127 if (m_sheet->isLoading()) |
| 128 document.styleSheetCollections()->removePendingSheet(e); | 128 document.styleEngine()->removePendingSheet(e); |
| 129 clearSheet(); | 129 clearSheet(); |
| 130 } | 130 } |
| 131 | 131 |
| 132 // If type is empty or CSS, this is a CSS style sheet. | 132 // If type is empty or CSS, this is a CSS style sheet. |
| 133 const AtomicString& type = this->type(); | 133 const AtomicString& type = this->type(); |
| 134 if (document.contentSecurityPolicy()->allowInlineStyle(e->document().url(),
m_startPosition.m_line) && isCSS(e, type)) { | 134 if (document.contentSecurityPolicy()->allowInlineStyle(e->document().url(),
m_startPosition.m_line) && isCSS(e, type)) { |
| 135 RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media()); | 135 RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media()); |
| 136 | 136 |
| 137 MediaQueryEvaluator screenEval("screen", true); | 137 MediaQueryEvaluator screenEval("screen", true); |
| 138 MediaQueryEvaluator printEval("print", true); | 138 MediaQueryEvaluator printEval("print", true); |
| 139 if (screenEval.eval(mediaQueries.get()) || printEval.eval(mediaQueries.g
et())) { | 139 if (screenEval.eval(mediaQueries.get()) || printEval.eval(mediaQueries.g
et())) { |
| 140 document.styleSheetCollections()->addPendingSheet(); | 140 document.styleEngine()->addPendingSheet(); |
| 141 m_loading = true; | 141 m_loading = true; |
| 142 | 142 |
| 143 TextPosition startPosition = m_startPosition == TextPosition::belowR
angePosition() ? TextPosition::minimumPosition() : m_startPosition; | 143 TextPosition startPosition = m_startPosition == TextPosition::belowR
angePosition() ? TextPosition::minimumPosition() : m_startPosition; |
| 144 m_sheet = CSSStyleSheet::createInline(e, KURL(), startPosition, docu
ment.inputEncoding()); | 144 m_sheet = CSSStyleSheet::createInline(e, KURL(), startPosition, docu
ment.inputEncoding()); |
| 145 m_sheet->setMediaQueries(mediaQueries.release()); | 145 m_sheet->setMediaQueries(mediaQueries.release()); |
| 146 m_sheet->setTitle(e->title()); | 146 m_sheet->setTitle(e->title()); |
| 147 m_sheet->contents()->parseStringAtPosition(text, startPosition, m_cr
eatedByParser); | 147 m_sheet->contents()->parseStringAtPosition(text, startPosition, m_cr
eatedByParser); |
| 148 | 148 |
| 149 m_loading = false; | 149 m_loading = false; |
| 150 } | 150 } |
| 151 } | 151 } |
| 152 | 152 |
| 153 if (m_sheet) | 153 if (m_sheet) |
| 154 m_sheet->contents()->checkLoaded(); | 154 m_sheet->contents()->checkLoaded(); |
| 155 } | 155 } |
| 156 | 156 |
| 157 bool StyleElement::isLoading() const | 157 bool StyleElement::isLoading() const |
| 158 { | 158 { |
| 159 if (m_loading) | 159 if (m_loading) |
| 160 return true; | 160 return true; |
| 161 return m_sheet ? m_sheet->isLoading() : false; | 161 return m_sheet ? m_sheet->isLoading() : false; |
| 162 } | 162 } |
| 163 | 163 |
| 164 bool StyleElement::sheetLoaded(Document& document) | 164 bool StyleElement::sheetLoaded(Document& document) |
| 165 { | 165 { |
| 166 if (isLoading()) | 166 if (isLoading()) |
| 167 return false; | 167 return false; |
| 168 | 168 |
| 169 document.styleSheetCollections()->removePendingSheet(m_sheet->ownerNode()); | 169 document.styleEngine()->removePendingSheet(m_sheet->ownerNode()); |
| 170 return true; | 170 return true; |
| 171 } | 171 } |
| 172 | 172 |
| 173 void StyleElement::startLoadingDynamicSheet(Document& document) | 173 void StyleElement::startLoadingDynamicSheet(Document& document) |
| 174 { | 174 { |
| 175 document.styleSheetCollections()->addPendingSheet(); | 175 document.styleEngine()->addPendingSheet(); |
| 176 } | 176 } |
| 177 | 177 |
| 178 } | 178 } |
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