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| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
| 5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org) | 5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. | 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. |
| 7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | 7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) |
| 8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) | 8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| 9 * Copyright (C) 2013 Google Inc. All rights reserved. | 9 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 10 * | 10 * |
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| 21 * You should have received a copy of the GNU Library General Public License | 21 * You should have received a copy of the GNU Library General Public License |
| 22 * along with this library; see the file COPYING.LIB. If not, write to | 22 * along with this library; see the file COPYING.LIB. If not, write to |
| 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 24 * Boston, MA 02110-1301, USA. | 24 * Boston, MA 02110-1301, USA. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #include "config.h" | 27 #include "config.h" |
| 28 #include "core/dom/TreeScopeStyleSheetCollection.h" | 28 #include "core/dom/TreeScopeStyleSheetCollection.h" |
| 29 | 29 |
| 30 #include "core/css/CSSStyleSheet.h" | 30 #include "core/css/CSSStyleSheet.h" |
| 31 #include "core/css/StyleInvalidationAnalysis.h" | |
| 32 #include "core/css/StyleRuleImport.h" | 31 #include "core/css/StyleRuleImport.h" |
| 33 #include "core/css/StyleSheetContents.h" | 32 #include "core/css/StyleSheetContents.h" |
| 33 #include "core/css/invalidation/StyleSheetInvalidationAnalysis.h" |
| 34 #include "core/css/resolver/StyleResolver.h" | 34 #include "core/css/resolver/StyleResolver.h" |
| 35 #include "core/dom/Element.h" | 35 #include "core/dom/Element.h" |
| 36 #include "core/dom/StyleEngine.h" | 36 #include "core/dom/StyleEngine.h" |
| 37 #include "core/html/HTMLStyleElement.h" | 37 #include "core/html/HTMLStyleElement.h" |
| 38 | 38 |
| 39 namespace WebCore { | 39 namespace WebCore { |
| 40 | 40 |
| 41 TreeScopeStyleSheetCollection::TreeScopeStyleSheetCollection(TreeScope& treeScop
e) | 41 TreeScopeStyleSheetCollection::TreeScopeStyleSheetCollection(TreeScope& treeScop
e) |
| 42 : m_treeScope(treeScope) | 42 : m_treeScope(treeScope) |
| 43 , m_hadActiveLoadingStylesheet(false) | 43 , m_hadActiveLoadingStylesheet(false) |
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| 154 change.styleResolverUpdateType = updateType; | 154 change.styleResolverUpdateType = updateType; |
| 155 } else { | 155 } else { |
| 156 change.styleResolverUpdateType = Reset; | 156 change.styleResolverUpdateType = Reset; |
| 157 // If @font-face is removed, needs full style recalc. | 157 // If @font-face is removed, needs full style recalc. |
| 158 if (findFontFaceRulesFromStyleSheetContents(addedSheets, change.font
FaceRulesToRemove)) | 158 if (findFontFaceRulesFromStyleSheetContents(addedSheets, change.font
FaceRulesToRemove)) |
| 159 return; | 159 return; |
| 160 } | 160 } |
| 161 } | 161 } |
| 162 | 162 |
| 163 // FIXME: If styleResolverUpdateType is Reconstruct, we should return early
here since | 163 // FIXME: If styleResolverUpdateType is Reconstruct, we should return early
here since |
| 164 // we need to recalc the whole document. It's wrong to use StyleInvalidation
Analysis since | 164 // we need to recalc the whole document. It's wrong to use StyleSheetInvalid
ationAnalysis since |
| 165 // it only looks at the addedSheets. | 165 // it only looks at the addedSheets. |
| 166 | 166 |
| 167 // No point in doing the analysis work if we're just going to recalc the who
le document anyways. | 167 // No point in doing the analysis work if we're just going to recalc the who
le document anyways. |
| 168 // This needs to be done after the compareStyleSheets calls above to ensure
we don't throw away | 168 // This needs to be done after the compareStyleSheets calls above to ensure
we don't throw away |
| 169 // the StyleResolver if we don't need to. | 169 // the StyleResolver if we don't need to. |
| 170 if (document().hasPendingForcedStyleRecalc()) | 170 if (document().hasPendingForcedStyleRecalc()) |
| 171 return; | 171 return; |
| 172 | 172 |
| 173 // If we are already parsing the body and so may have significant amount of
elements, put some effort into trying to avoid style recalcs. | 173 // If we are already parsing the body and so may have significant amount of
elements, put some effort into trying to avoid style recalcs. |
| 174 if (!document().body() || document().hasNodesWithPlaceholderStyle()) | 174 if (!document().body() || document().hasNodesWithPlaceholderStyle()) |
| 175 return; | 175 return; |
| 176 StyleInvalidationAnalysis invalidationAnalysis(addedSheets); | 176 StyleSheetInvalidationAnalysis invalidationAnalysis(addedSheets); |
| 177 if (invalidationAnalysis.dirtiesAllStyle()) | 177 if (invalidationAnalysis.dirtiesAllStyle()) |
| 178 return; | 178 return; |
| 179 invalidationAnalysis.invalidateStyle(document()); | 179 invalidationAnalysis.invalidateStyle(document()); |
| 180 change.requiresFullStyleRecalc = false; | 180 change.requiresFullStyleRecalc = false; |
| 181 return; | 181 return; |
| 182 } | 182 } |
| 183 | 183 |
| 184 void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets() | 184 void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets() |
| 185 { | 185 { |
| 186 for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) { | 186 for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) { |
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| 212 } | 212 } |
| 213 return false; | 213 return false; |
| 214 } | 214 } |
| 215 | 215 |
| 216 void TreeScopeStyleSheetCollection::updateUsesRemUnits() | 216 void TreeScopeStyleSheetCollection::updateUsesRemUnits() |
| 217 { | 217 { |
| 218 m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets); | 218 m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets); |
| 219 } | 219 } |
| 220 | 220 |
| 221 } | 221 } |
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