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c282ac1c40
We don't need all these subtypes, or to create the base class as to what amounts to a thin wrapper around a Vector. Instead lets merge all the types together. Future patches will remove the special cases inside the collection for Document vs ShadowRoot. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/799393005
113 lines
4.4 KiB
C++
113 lines
4.4 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 "sky/engine/config.h"
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#include "sky/engine/core/dom/StyleSheetCollection.h"
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#include "sky/engine/core/css/CSSStyleSheet.h"
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#include "sky/engine/core/css/resolver/StyleResolver.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/dom/StyleEngine.h"
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#include "sky/engine/core/dom/shadow/ShadowRoot.h"
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#include "sky/engine/core/dom/TreeScope.h"
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#include "sky/engine/core/html/HTMLStyleElement.h"
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namespace blink {
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StyleSheetCollection::StyleSheetCollection(TreeScope& treeScope)
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: m_treeScope(treeScope)
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{
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}
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StyleSheetCollection::~StyleSheetCollection()
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{
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}
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void StyleSheetCollection::addStyleSheetCandidateNode(Node* node, bool)
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{
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if (!node->inDocument())
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return;
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// Until the <body> exists, we have no choice but to compare document positions,
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// since styles outside of the body and head continue to be shunted into the head
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// (and thus can shift to end up before dynamically added DOM content that is also
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// outside the body).
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m_styleSheetCandidateNodes.add(node);
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}
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void StyleSheetCollection::removeStyleSheetCandidateNode(Node* node, ContainerNode* scopingNode)
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{
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m_styleSheetCandidateNodes.remove(node);
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}
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void StyleSheetCollection::collectStyleSheets(Vector<RefPtr<CSSStyleSheet>>& sheets)
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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* node = *it;
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if (!isHTMLStyleElement(*node))
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continue;
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if (CSSStyleSheet* sheet = toHTMLStyleElement(node)->sheet())
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sheets.append(sheet);
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}
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}
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void StyleSheetCollection::updateActiveStyleSheets(StyleEngine* engine)
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{
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Vector<RefPtr<CSSStyleSheet>> candidateSheets;
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collectStyleSheets(candidateSheets);
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Node& root = m_treeScope.rootNode();
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// TODO(esprehn): Remove special casing for Document.
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if (root.isDocumentNode()) {
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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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// We should not destroy StyleResolver when we find any stylesheet update in a shadow tree.
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// In this case, we will reset rulesets created from style elements in the shadow tree.
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styleResolver->resetAuthorStyle(m_treeScope);
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styleResolver->removePendingAuthorStyleSheets(m_activeAuthorStyleSheets);
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styleResolver->lazyAppendAuthorStyleSheets(0, candidateSheets);
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}
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// TODO(esprehn): We should avoid subtree recalcs in sky when rules change
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// and only recalc specific tree scopes.
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root.setNeedsStyleRecalc(SubtreeStyleChange);
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// TODO(esprehn): We should use LocalStyleChange, :host rule changes
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// can only impact the host directly as Sky has no descendant selectors.
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if (root.isShadowRoot())
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toShadowRoot(root).host()->setNeedsStyleRecalc(SubtreeStyleChange);
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m_activeAuthorStyleSheets.swap(candidateSheets);
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}
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}
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