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- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #pragma once
- #include <AK/NonnullRefPtrVector.h>
- #include <AK/OwnPtr.h>
- #include <LibWeb/CSS/StyleProperties.h>
- namespace Web {
- class Document;
- class Element;
- class ParentNode;
- class StyleRule;
- class StyleSheet;
- struct MatchingRule {
- RefPtr<StyleRule> rule;
- size_t style_sheet_index { 0 };
- size_t rule_index { 0 };
- size_t selector_index { 0 };
- };
- class StyleResolver {
- public:
- explicit StyleResolver(Document&);
- ~StyleResolver();
- Document& document() { return m_document; }
- const Document& document() const { return m_document; }
- NonnullRefPtr<StyleProperties> resolve_style(const Element&, const StyleProperties* parent_style) const;
- Vector<MatchingRule> collect_matching_rules(const Element&) const;
- static bool is_inherited_property(CSS::PropertyID);
- private:
- template<typename Callback>
- void for_each_stylesheet(Callback) const;
- Document& m_document;
- };
- }
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