| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef TreeScopeStyleSheetCollection_h |
| #define TreeScopeStyleSheetCollection_h |
| |
| #include "core/CoreExport.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/DocumentOrderedList.h" |
| #include "core/dom/StyleSheetCollection.h" |
| #include "core/dom/TreeScope.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/ListHashSet.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class Node; |
| class StyleSheetContents; |
| class StyleRuleFontFace; |
| |
| class CORE_EXPORT TreeScopeStyleSheetCollection : public StyleSheetCollection { |
| public: |
| void addStyleSheetCandidateNode(Node*, bool createdByParser); |
| void removeStyleSheetCandidateNode(Node* node) { m_styleSheetCandidateNodes.remove(node); } |
| bool hasStyleSheetCandidateNodes() const { return !m_styleSheetCandidateNodes.isEmpty(); } |
| |
| void clearMediaQueryRuleSetStyleSheets(); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| explicit TreeScopeStyleSheetCollection(TreeScope&); |
| |
| Document& document() const { return treeScope().document(); } |
| TreeScope& treeScope() const { return *m_treeScope; } |
| |
| enum StyleResolverUpdateType { |
| Reconstruct, |
| Reset, |
| Additive |
| }; |
| |
| class StyleSheetChange { |
| STACK_ALLOCATED(); |
| public: |
| StyleResolverUpdateType styleResolverUpdateType; |
| bool requiresFullStyleRecalc; |
| WillBeHeapVector<RawPtrWillBeMember<const StyleRuleFontFace>> fontFaceRulesToRemove; |
| |
| StyleSheetChange() |
| : styleResolverUpdateType(Reconstruct) |
| , requiresFullStyleRecalc(true) { } |
| }; |
| |
| void analyzeStyleSheetChange(StyleResolverUpdateMode, const StyleSheetCollection&, StyleSheetChange&); |
| |
| private: |
| static StyleResolverUpdateType compareStyleSheets(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet>>& oldStyleSheets, const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet>>& newStylesheets, WillBeHeapVector<RawPtrWillBeMember<StyleSheetContents>>& addedSheets); |
| bool activeLoadingStyleSheetLoaded(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet>>& newStyleSheets); |
| |
| friend class TreeScopeStyleSheetCollectionTest; |
| |
| protected: |
| RawPtrWillBeMember<TreeScope> m_treeScope; |
| bool m_hadActiveLoadingStylesheet; |
| |
| DocumentOrderedList m_styleSheetCandidateNodes; |
| }; |
| |
| } |
| |
| #endif |