mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 23:31:56 +00:00
88a1b27597
So much unsound code going away :-) Differential Revision: https://phabricator.services.mozilla.com/D28380 --HG-- extra : moz-landing-system : lando
141 lines
4.2 KiB
C++
141 lines
4.2 KiB
C++
/* -*- 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
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/ServoStyleRuleMap.h"
|
|
|
|
#include "mozilla/css/GroupRule.h"
|
|
#include "mozilla/dom/CSSImportRule.h"
|
|
#include "mozilla/dom/CSSRuleBinding.h"
|
|
#include "mozilla/dom/CSSStyleRule.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "mozilla/dom/ShadowRoot.h"
|
|
#include "mozilla/IntegerRange.h"
|
|
#include "mozilla/ServoStyleSet.h"
|
|
#include "mozilla/StyleSheetInlines.h"
|
|
#include "nsStyleSheetService.h"
|
|
|
|
using namespace mozilla::dom;
|
|
|
|
namespace mozilla {
|
|
|
|
void ServoStyleRuleMap::EnsureTable(ServoStyleSet& aStyleSet) {
|
|
if (!IsEmpty()) {
|
|
return;
|
|
}
|
|
aStyleSet.EnumerateStyleSheets(
|
|
[&](StyleSheet& aSheet) { FillTableFromStyleSheet(aSheet); });
|
|
}
|
|
|
|
void ServoStyleRuleMap::EnsureTable(ShadowRoot& aShadowRoot) {
|
|
if (!IsEmpty()) {
|
|
return;
|
|
}
|
|
for (auto index : IntegerRange(aShadowRoot.SheetCount())) {
|
|
FillTableFromStyleSheet(*aShadowRoot.SheetAt(index));
|
|
}
|
|
}
|
|
|
|
void ServoStyleRuleMap::SheetAdded(StyleSheet& aStyleSheet) {
|
|
if (!IsEmpty()) {
|
|
FillTableFromStyleSheet(aStyleSheet);
|
|
}
|
|
}
|
|
|
|
void ServoStyleRuleMap::SheetRemoved(StyleSheet& aStyleSheet) {
|
|
// Invalidate all data inside. This isn't strictly necessary since
|
|
// we should always get update from document before new queries come.
|
|
// But it is probably still safer if we try to avoid having invalid
|
|
// pointers inside. Also if the document keep adding and removing
|
|
// stylesheets, this would also prevent us from infinitely growing
|
|
// memory usage.
|
|
mTable.Clear();
|
|
}
|
|
|
|
void ServoStyleRuleMap::RuleAdded(StyleSheet& aStyleSheet,
|
|
css::Rule& aStyleRule) {
|
|
if (!IsEmpty()) {
|
|
FillTableFromRule(aStyleRule);
|
|
}
|
|
}
|
|
|
|
void ServoStyleRuleMap::RuleRemoved(StyleSheet& aStyleSheet,
|
|
css::Rule& aStyleRule) {
|
|
if (IsEmpty()) {
|
|
return;
|
|
}
|
|
|
|
switch (aStyleRule.Type()) {
|
|
case CSSRule_Binding::STYLE_RULE: {
|
|
auto& rule = static_cast<CSSStyleRule&>(aStyleRule);
|
|
mTable.Remove(rule.Raw());
|
|
break;
|
|
}
|
|
case CSSRule_Binding::IMPORT_RULE:
|
|
case CSSRule_Binding::MEDIA_RULE:
|
|
case CSSRule_Binding::SUPPORTS_RULE:
|
|
case CSSRule_Binding::DOCUMENT_RULE: {
|
|
// See the comment in StyleSheetRemoved.
|
|
mTable.Clear();
|
|
break;
|
|
}
|
|
case CSSRule_Binding::FONT_FACE_RULE:
|
|
case CSSRule_Binding::PAGE_RULE:
|
|
case CSSRule_Binding::KEYFRAMES_RULE:
|
|
case CSSRule_Binding::KEYFRAME_RULE:
|
|
case CSSRule_Binding::NAMESPACE_RULE:
|
|
case CSSRule_Binding::COUNTER_STYLE_RULE:
|
|
case CSSRule_Binding::FONT_FEATURE_VALUES_RULE:
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Unhandled rule");
|
|
}
|
|
}
|
|
|
|
size_t ServoStyleRuleMap::SizeOfIncludingThis(
|
|
MallocSizeOf aMallocSizeOf) const {
|
|
size_t n = aMallocSizeOf(this);
|
|
n += mTable.ShallowSizeOfExcludingThis(aMallocSizeOf);
|
|
return n;
|
|
}
|
|
|
|
void ServoStyleRuleMap::FillTableFromRule(css::Rule& aRule) {
|
|
switch (aRule.Type()) {
|
|
case CSSRule_Binding::STYLE_RULE: {
|
|
auto& rule = static_cast<CSSStyleRule&>(aRule);
|
|
mTable.Put(rule.Raw(), &rule);
|
|
break;
|
|
}
|
|
case CSSRule_Binding::MEDIA_RULE:
|
|
case CSSRule_Binding::SUPPORTS_RULE:
|
|
case CSSRule_Binding::DOCUMENT_RULE: {
|
|
auto& rule = static_cast<css::GroupRule&>(aRule);
|
|
auto ruleList = static_cast<ServoCSSRuleList*>(rule.CssRules());
|
|
FillTableFromRuleList(*ruleList);
|
|
break;
|
|
}
|
|
case CSSRule_Binding::IMPORT_RULE: {
|
|
auto& rule = static_cast<CSSImportRule&>(aRule);
|
|
MOZ_ASSERT(aRule.GetStyleSheet());
|
|
FillTableFromStyleSheet(*rule.GetStyleSheet());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ServoStyleRuleMap::FillTableFromRuleList(ServoCSSRuleList& aRuleList) {
|
|
for (uint32_t i : IntegerRange(aRuleList.Length())) {
|
|
FillTableFromRule(*aRuleList.GetRule(i));
|
|
}
|
|
}
|
|
|
|
void ServoStyleRuleMap::FillTableFromStyleSheet(StyleSheet& aSheet) {
|
|
if (aSheet.IsComplete()) {
|
|
FillTableFromRuleList(*aSheet.GetCssRulesInternal());
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla
|