Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "mozilla/dom/CSSMozDocumentRule.h"
#include "mozilla/dom/CSSMozDocumentRuleBinding.h"
#include "js/RegExpFlags.h"
#include "mozilla/dom/BrowsingContext.h"
#include "mozilla/ServoBindings.h"
#include "nsContentUtils.h"
#include "nsHTMLDocument.h"
namespace mozilla::dom {
using namespace mozilla::css;
/* virtual */
JSObject* CSSMozDocumentRule::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CSSMozDocumentRule_Binding::Wrap(aCx, this, aGivenProto);
}
bool CSSMozDocumentRule::Match(const Document* aDoc, nsIURI* aDocURI,
const nsACString& aDocURISpec,
const nsACString& aPattern,
DocumentMatchingFunction aMatchingFunction) {
switch (aMatchingFunction) {
case DocumentMatchingFunction::MediaDocument: {
auto kind = aDoc->MediaDocumentKind();
if (aPattern.EqualsLiteral("all")) {
return kind != Document::MediaDocumentKind::NotMedia;
}
MOZ_ASSERT(aPattern.EqualsLiteral("plugin") ||
aPattern.EqualsLiteral("image") ||
aPattern.EqualsLiteral("video"));
switch (kind) {
case Document::MediaDocumentKind::NotMedia:
return false;
case Document::MediaDocumentKind::Plugin:
return aPattern.EqualsLiteral("plugin");
case Document::MediaDocumentKind::Image:
return aPattern.EqualsLiteral("image");
case Document::MediaDocumentKind::Video:
return aPattern.EqualsLiteral("video");
}
MOZ_ASSERT_UNREACHABLE("Unknown media document kind");
return false;
}
case DocumentMatchingFunction::URL:
return aDocURISpec == aPattern;
case DocumentMatchingFunction::URLPrefix:
return StringBeginsWith(aDocURISpec, aPattern);
case DocumentMatchingFunction::Domain: {
nsAutoCString host;
if (aDocURI) {
aDocURI->GetHost(host);
}
int32_t lenDiff = host.Length() - aPattern.Length();
if (lenDiff == 0) {
return host == aPattern;
}
return StringEndsWith(host, aPattern) && host.CharAt(lenDiff - 1) == '.';
}
case DocumentMatchingFunction::RegExp: {
// Using JS::RegExpFlag::Unicode to allow patterns containing for example
// [^/].
return nsContentUtils::IsPatternMatching(
NS_ConvertUTF8toUTF16(aDocURISpec),
NS_ConvertUTF8toUTF16(aPattern), aDoc,
/* aHasMultiple = */ false, JS::RegExpFlag::Unicode)
.valueOr(false);
}
case DocumentMatchingFunction::PlainTextDocument:
return aDoc->IsHTMLOrXHTML() && aDoc->AsHTMLDocument()->IsPlainText();
case DocumentMatchingFunction::UnobservableDocument: {
const BrowsingContext* bc = aDoc->GetBrowsingContext();
return bc && bc->IsTop() && !bc->HasOpener();
}
}
MOZ_ASSERT_UNREACHABLE("Unknown matching function");
return false;
}
CSSMozDocumentRule::CSSMozDocumentRule(RefPtr<StyleDocumentRule> aRawRule,
StyleSheet* aSheet,
css::Rule* aParentRule, uint32_t aLine,
uint32_t aColumn)
: css::ConditionRule(aSheet, aParentRule, aLine, aColumn),
mRawRule(std::move(aRawRule)) {}
NS_IMPL_ADDREF_INHERITED(CSSMozDocumentRule, css::ConditionRule)
NS_IMPL_RELEASE_INHERITED(CSSMozDocumentRule, css::ConditionRule)
// QueryInterface implementation for MozDocumentRule
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSMozDocumentRule)
NS_INTERFACE_MAP_END_INHERITING(css::ConditionRule)
#ifdef DEBUG
/* virtual */
void CSSMozDocumentRule::List(FILE* out, int32_t aIndent) const {
nsAutoCString str;
for (int32_t i = 0; i < aIndent; i++) {
str.AppendLiteral(" ");
}
Servo_DocumentRule_Debug(mRawRule, &str);
fprintf_stderr(out, "%s\n", str.get());
}
#endif
void CSSMozDocumentRule::SetRawAfterClone(RefPtr<StyleDocumentRule> aRaw) {
mRawRule = std::move(aRaw);
css::ConditionRule::DidSetRawAfterClone();
}
already_AddRefed<StyleLockedCssRules>
CSSMozDocumentRule::GetOrCreateRawRules() {
return Servo_DocumentRule_GetRules(mRawRule).Consume();
}
StyleCssRuleType CSSMozDocumentRule::Type() const {
return StyleCssRuleType::Document;
}
void CSSMozDocumentRule::GetConditionText(nsACString& aConditionText) {
Servo_DocumentRule_GetConditionText(mRawRule, &aConditionText);
}
/* virtual */
void CSSMozDocumentRule::GetCssText(nsACString& aCssText) const {
Servo_DocumentRule_GetCssText(mRawRule, &aCssText);
}
/* virtual */
size_t CSSMozDocumentRule::SizeOfIncludingThis(
MallocSizeOf aMallocSizeOf) const {
// TODO Implement this!
return aMallocSizeOf(this);
}
} // namespace mozilla::dom