forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			137 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "mozilla/dom/CSSMozDocumentRule.h"
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| #include "mozilla/dom/CSSMozDocumentRuleBinding.h"
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| 
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| #include "mozilla/dom/BrowsingContext.h"
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| #include "mozilla/ServoBindings.h"
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| #include "nsContentUtils.h"
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| #include "nsHTMLDocument.h"
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| 
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| namespace mozilla::dom {
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| 
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| using namespace mozilla::css;
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| 
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| /* virtual */
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| JSObject* CSSMozDocumentRule::WrapObject(JSContext* aCx,
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|                                          JS::Handle<JSObject*> aGivenProto) {
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|   return CSSMozDocumentRule_Binding::Wrap(aCx, this, aGivenProto);
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| }
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| 
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| bool CSSMozDocumentRule::Match(const Document* aDoc, nsIURI* aDocURI,
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|                                const nsACString& aDocURISpec,
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|                                const nsACString& aPattern,
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|                                DocumentMatchingFunction aMatchingFunction) {
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|   switch (aMatchingFunction) {
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|     case DocumentMatchingFunction::MediaDocument: {
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|       auto kind = aDoc->MediaDocumentKind();
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|       if (aPattern.EqualsLiteral("all")) {
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|         return kind != Document::MediaDocumentKind::NotMedia;
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|       }
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|       MOZ_ASSERT(aPattern.EqualsLiteral("plugin") ||
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|                  aPattern.EqualsLiteral("image") ||
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|                  aPattern.EqualsLiteral("video"));
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|       switch (kind) {
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|         case Document::MediaDocumentKind::NotMedia:
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|           return false;
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|         case Document::MediaDocumentKind::Plugin:
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|           return aPattern.EqualsLiteral("plugin");
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|         case Document::MediaDocumentKind::Image:
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|           return aPattern.EqualsLiteral("image");
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|         case Document::MediaDocumentKind::Video:
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|           return aPattern.EqualsLiteral("video");
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|       }
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|       MOZ_ASSERT_UNREACHABLE("Unknown media document kind");
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|       return false;
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|     }
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|     case DocumentMatchingFunction::URL:
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|       return aDocURISpec == aPattern;
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|     case DocumentMatchingFunction::URLPrefix:
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|       return StringBeginsWith(aDocURISpec, aPattern);
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|     case DocumentMatchingFunction::Domain: {
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|       nsAutoCString host;
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|       if (aDocURI) {
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|         aDocURI->GetHost(host);
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|       }
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|       int32_t lenDiff = host.Length() - aPattern.Length();
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|       if (lenDiff == 0) {
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|         return host == aPattern;
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|       }
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|       return StringEndsWith(host, aPattern) && host.CharAt(lenDiff - 1) == '.';
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|     }
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|     case DocumentMatchingFunction::RegExp: {
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|       NS_ConvertUTF8toUTF16 spec(aDocURISpec);
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|       NS_ConvertUTF8toUTF16 regex(aPattern);
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|       return nsContentUtils::IsPatternMatching(spec, regex, aDoc)
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|           .valueOr(false);
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|     }
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|     case DocumentMatchingFunction::PlainTextDocument:
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|       return aDoc->IsHTMLOrXHTML() && aDoc->AsHTMLDocument()->IsPlainText();
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|     case DocumentMatchingFunction::UnobservableDocument: {
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|       const BrowsingContext* bc = aDoc->GetBrowsingContext();
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|       return bc && bc->IsTop() && !bc->HasOpener();
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|     }
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|   }
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|   MOZ_ASSERT_UNREACHABLE("Unknown matching function");
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|   return false;
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| }
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| 
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| CSSMozDocumentRule::CSSMozDocumentRule(RefPtr<RawServoMozDocumentRule> aRawRule,
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|                                        StyleSheet* aSheet,
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|                                        css::Rule* aParentRule, uint32_t aLine,
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|                                        uint32_t aColumn)
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|     : css::ConditionRule(Servo_MozDocumentRule_GetRules(aRawRule).Consume(),
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|                          aSheet, aParentRule, aLine, aColumn),
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|       mRawRule(std::move(aRawRule)) {}
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| 
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| NS_IMPL_ADDREF_INHERITED(CSSMozDocumentRule, css::ConditionRule)
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| NS_IMPL_RELEASE_INHERITED(CSSMozDocumentRule, css::ConditionRule)
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| 
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| // QueryInterface implementation for MozDocumentRule
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| NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSMozDocumentRule)
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| NS_INTERFACE_MAP_END_INHERITING(css::ConditionRule)
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| 
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| #ifdef DEBUG
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| /* virtual */
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| void CSSMozDocumentRule::List(FILE* out, int32_t aIndent) const {
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|   nsAutoCString str;
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|   for (int32_t i = 0; i < aIndent; i++) {
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|     str.AppendLiteral("  ");
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|   }
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|   Servo_MozDocumentRule_Debug(mRawRule, &str);
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|   fprintf_stderr(out, "%s\n", str.get());
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| }
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| #endif
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| 
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| void CSSMozDocumentRule::SetRawAfterClone(
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|     RefPtr<RawServoMozDocumentRule> aRaw) {
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|   mRawRule = std::move(aRaw);
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|   css::ConditionRule::SetRawAfterClone(
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|       Servo_MozDocumentRule_GetRules(mRawRule).Consume());
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| }
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| 
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| StyleCssRuleType CSSMozDocumentRule::Type() const {
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|   return StyleCssRuleType::Document;
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| }
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| 
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| void CSSMozDocumentRule::GetConditionText(nsACString& aConditionText) {
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|   Servo_MozDocumentRule_GetConditionText(mRawRule, &aConditionText);
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| }
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| 
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| /* virtual */
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| void CSSMozDocumentRule::GetCssText(nsACString& aCssText) const {
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|   Servo_MozDocumentRule_GetCssText(mRawRule, &aCssText);
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| }
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| 
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| /* virtual */
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| size_t CSSMozDocumentRule::SizeOfIncludingThis(
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|     MallocSizeOf aMallocSizeOf) const {
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|   // TODO Implement this!
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|   return aMallocSizeOf(this);
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| }
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| 
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| }  // namespace mozilla::dom
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