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512c4591a6
Please use <import> instead. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/696413002
104 lines
4.2 KiB
C++
104 lines
4.2 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* (C) 2006 Alexey Proskuryakov (ap@webkit.org)
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* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
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* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "core/dom/DocumentStyleSheetCollection.h"
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#include "core/css/resolver/StyleResolver.h"
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#include "core/dom/Document.h"
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#include "core/dom/DocumentStyleSheetCollector.h"
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#include "core/dom/StyleEngine.h"
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#include "core/dom/StyleSheetCandidate.h"
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#include "platform/RuntimeEnabledFeatures.h"
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namespace blink {
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DocumentStyleSheetCollection::DocumentStyleSheetCollection(TreeScope& treeScope)
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: TreeScopeStyleSheetCollection(treeScope)
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{
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ASSERT(treeScope.rootNode() == treeScope.rootNode().document());
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}
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void DocumentStyleSheetCollection::collectStyleSheetsFromCandidates(StyleEngine* engine, DocumentStyleSheetCollector& collector)
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{
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DocumentOrderedList::iterator begin = m_styleSheetCandidateNodes.begin();
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DocumentOrderedList::iterator end = m_styleSheetCandidateNodes.end();
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for (DocumentOrderedList::iterator it = begin; it != end; ++it) {
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Node* n = *it;
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StyleSheetCandidate candidate(*n);
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StyleSheet* sheet = candidate.sheet();
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if (!sheet)
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continue;
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collector.appendSheetForList(sheet);
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if (candidate.canBeActivated())
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collector.appendActiveStyleSheet(toCSSStyleSheet(sheet));
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}
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}
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void DocumentStyleSheetCollection::collectStyleSheets(StyleEngine* engine, DocumentStyleSheetCollector& collector)
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{
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ASSERT(document().styleEngine() == engine);
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collector.appendActiveStyleSheets(engine->documentAuthorStyleSheets());
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collectStyleSheetsFromCandidates(engine, collector);
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}
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void DocumentStyleSheetCollection::updateActiveStyleSheets(StyleEngine* engine, StyleResolverUpdateMode updateMode)
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{
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StyleSheetCollection collection;
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ActiveDocumentStyleSheetCollector collector(collection);
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collectStyleSheets(engine, collector);
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StyleSheetChange change;
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analyzeStyleSheetChange(updateMode, collection, change);
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if (change.styleResolverUpdateType == Reconstruct) {
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engine->clearMasterResolver();
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// FIMXE: The following depends on whether StyleRuleFontFace was modified or not.
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// No need to always-clear font cache.
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engine->clearFontCache();
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} else if (StyleResolver* styleResolver = engine->resolver()) {
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if (change.styleResolverUpdateType != Additive) {
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ASSERT(change.styleResolverUpdateType == Reset);
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styleResolver->resetAuthorStyle(treeScope());
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engine->removeFontFaceRules(change.fontFaceRulesToRemove);
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styleResolver->removePendingAuthorStyleSheets(m_activeAuthorStyleSheets);
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styleResolver->lazyAppendAuthorStyleSheets(0, collection.activeAuthorStyleSheets());
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} else {
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styleResolver->lazyAppendAuthorStyleSheets(m_activeAuthorStyleSheets.size(), collection.activeAuthorStyleSheets());
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}
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}
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if (change.requiresFullStyleRecalc)
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document().setNeedsStyleRecalc(SubtreeStyleChange);
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collection.swap(*this);
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updateUsesRemUnits();
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}
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}
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