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7686fb0b8f
Just rebuild the sheets when the viewport changes sizes since that's super rare in sky right now. This also causes a full document style recalc, but we'll fix that later too. For now lets make the system simpler. R=abarth@chromium.org Review URL: https://codereview.chromium.org/848483003
90 lines
3.6 KiB
C++
90 lines
3.6 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_CSS_RESOLVER_SCOPEDSTYLERESOLVER_H_
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#define SKY_ENGINE_CORE_CSS_RESOLVER_SCOPEDSTYLERESOLVER_H_
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#include "sky/engine/core/css/ElementRuleCollector.h"
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#include "sky/engine/core/css/MediaQueryEvaluator.h"
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#include "sky/engine/core/css/RuleSet.h"
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#include "sky/engine/core/dom/DocumentOrderedList.h"
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#include "sky/engine/core/dom/TreeScope.h"
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#include "sky/engine/wtf/HashMap.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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namespace blink {
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class CSSStyleSheet;
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class ContainerNode;
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class HTMLStyleElement;
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class RuleFeatureSet;
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class StyleSheetContents;
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// This class selects a RenderStyle for a given element based on a collection of stylesheets.
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class ScopedStyleResolver final {
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WTF_MAKE_NONCOPYABLE(ScopedStyleResolver);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static PassOwnPtr<ScopedStyleResolver> create(TreeScope& scope)
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{
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return adoptPtr(new ScopedStyleResolver(scope));
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}
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const TreeScope& treeScope() const { return m_scope; }
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const StyleRuleKeyframes* keyframeStylesForAnimation(String animationName);
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void collectMatchingAuthorRules(ElementRuleCollector&, CascadeOrder = ignoreCascadeOrder);
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void collectMatchingHostRules(ElementRuleCollector&, CascadeOrder = ignoreCascadeOrder);
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const RuleFeatureSet& features() const { return m_features; }
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void updateActiveStyleSheets();
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Vector<RefPtr<CSSStyleSheet>>& authorStyleSheets() { return m_authorStyleSheets; }
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const Vector<RefPtr<CSSStyleSheet>>& authorStyleSheets() const { return m_authorStyleSheets; }
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void addStyleSheetCandidateNode(HTMLStyleElement&);
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void removeStyleSheetCandidateNode(HTMLStyleElement&);
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private:
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explicit ScopedStyleResolver(TreeScope&);
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void appendStyleSheet(CSSStyleSheet&);
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void collectStyleSheets(Vector<RefPtr<CSSStyleSheet>>& candidateSheets);
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TreeScope& m_scope;
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DocumentOrderedList m_styleSheetCandidateNodes;
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Vector<RefPtr<CSSStyleSheet>> m_authorStyleSheets;
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RuleFeatureSet m_features;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_CSS_RESOLVER_SCOPEDSTYLERESOLVER_H_
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