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			98 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2019-2021, Andreas Kling <kling@serenityos.org>
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|  * 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 are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/NonnullRefPtrVector.h>
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| #include <AK/TypeCasts.h>
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| #include <LibWeb/CSS/CSSImportRule.h>
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| #include <LibWeb/CSS/CSSRule.h>
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| #include <LibWeb/CSS/StyleSheet.h>
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| #include <LibWeb/Loader/Resource.h>
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| 
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| namespace Web::CSS {
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| 
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| class CSSStyleSheet final : public StyleSheet {
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| public:
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|     using WrapperType = Bindings::CSSStyleSheetWrapper;
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| 
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|     static NonnullRefPtr<CSSStyleSheet> create(NonnullRefPtrVector<CSSRule> rules)
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|     {
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|         return adopt(*new CSSStyleSheet(move(rules)));
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|     }
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| 
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|     virtual ~CSSStyleSheet() override;
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| 
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|     virtual String type() const override { return "text/css"; }
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| 
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|     const NonnullRefPtrVector<CSSRule>& rules() const { return m_rules; }
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|     NonnullRefPtrVector<CSSRule>& rules() { return m_rules; }
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| 
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|     template<typename Callback>
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|     void for_each_effective_style_rule(Callback callback) const
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|     {
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|         for (auto& rule : m_rules)
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|             if (rule.type() == CSSRule::Type::Style) {
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|                 callback(downcast<CSSStyleRule>(rule));
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|             } else if (rule.type() == CSSRule::Type::Import) {
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|                 const auto& import_rule = downcast<CSSImportRule>(rule);
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|                 if (import_rule.has_import_result())
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|                     import_rule.loaded_style_sheet()->for_each_effective_style_rule(callback);
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|             }
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|     }
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| 
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|     template<typename Callback>
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|     bool for_first_not_loaded_import_rule(Callback callback)
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|     {
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|         for (auto& rule : m_rules)
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|             if (rule.type() == CSSRule::Type::Import) {
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|                 auto& import_rule = downcast<CSSImportRule>(rule);
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|                 if (!import_rule.has_import_result()) {
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|                     callback(import_rule);
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|                     return true;
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|                 }
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| 
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|                 if (import_rule.loaded_style_sheet()->for_first_not_loaded_import_rule(callback)) {
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|                     return true;
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|                 }
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|             }
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| 
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|         return false;
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|     }
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| 
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| private:
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|     explicit CSSStyleSheet(NonnullRefPtrVector<CSSRule>);
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| 
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|     NonnullRefPtrVector<CSSRule> m_rules;
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| };
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| 
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| }
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| 
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| namespace Web::Bindings {
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| 
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| CSSStyleSheetWrapper* wrap(JS::GlobalObject&, CSS::CSSStyleSheet&);
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| 
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| }
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