mirror of
https://github.com/mozilla/gecko-dev.git
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141 lines
4.9 KiB
C++
141 lines
4.9 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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#include "mozilla/dom/CSSMozDocumentRule.h"
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#include "mozilla/dom/CSSMozDocumentRuleBinding.h"
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#include "js/RegExpFlags.h"
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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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namespace mozilla::dom {
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using namespace mozilla::css;
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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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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("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::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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// Using JS::RegExpFlag::Unicode to allow patterns containing for example
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// [^/].
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return nsContentUtils::IsPatternMatching(
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NS_ConvertUTF8toUTF16(aDocURISpec),
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NS_ConvertUTF8toUTF16(aPattern), aDoc,
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/* aHasMultiple = */ false, JS::RegExpFlag::Unicode)
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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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CSSMozDocumentRule::CSSMozDocumentRule(RefPtr<StyleDocumentRule> 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(aSheet, aParentRule, aLine, aColumn),
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mRawRule(std::move(aRawRule)) {}
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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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// 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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#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_DocumentRule_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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void CSSMozDocumentRule::SetRawAfterClone(RefPtr<StyleDocumentRule> aRaw) {
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mRawRule = std::move(aRaw);
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css::ConditionRule::DidSetRawAfterClone();
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}
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already_AddRefed<StyleLockedCssRules>
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CSSMozDocumentRule::GetOrCreateRawRules() {
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return Servo_DocumentRule_GetRules(mRawRule).Consume();
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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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void CSSMozDocumentRule::GetConditionText(nsACString& aConditionText) {
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Servo_DocumentRule_GetConditionText(mRawRule, &aConditionText);
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}
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/* virtual */
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void CSSMozDocumentRule::GetCssText(nsACString& aCssText) const {
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Servo_DocumentRule_GetCssText(mRawRule, &aCssText);
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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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} // namespace mozilla::dom
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