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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/inspector/ServoStyleRuleMap.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | layout/inspector/ServoStyleRuleMap.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/layout/inspector/ServoStyleRuleMap.h b/layout/inspector/ServoStyleRuleMap.h new file mode 100644 index 0000000000..65399c0432 --- /dev/null +++ b/layout/inspector/ServoStyleRuleMap.h @@ -0,0 +1,66 @@ +/* -*- 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/. */ + +#ifndef mozilla_ServoStyleRuleMap_h +#define mozilla_ServoStyleRuleMap_h + +#include "mozilla/dom/CSSStyleRule.h" +#include "mozilla/StyleSheet.h" + +#include "nsTHashMap.h" + +struct StyleLockedStyleRule; + +namespace mozilla { +class ServoCSSRuleList; +class ServoStyleSet; +namespace css { +class Rule; +} // namespace css +namespace dom { +class ShadowRoot; +} +class ServoStyleRuleMap { + public: + ServoStyleRuleMap() = default; + + void EnsureTable(ServoStyleSet&); + void EnsureTable(dom::ShadowRoot&); + + dom::CSSStyleRule* Lookup(const StyleLockedStyleRule* aRawRule) const { + return mTable.Get(aRawRule); + } + + void SheetAdded(StyleSheet&); + void SheetRemoved(StyleSheet&); + void SheetCloned(StyleSheet&); + + void RuleAdded(StyleSheet& aStyleSheet, css::Rule&); + void RuleRemoved(StyleSheet& aStyleSheet, css::Rule&); + + size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const; + + ~ServoStyleRuleMap() = default; + + private: + // Since we would never have a document which contains no style rule, + // we use IsEmpty as an indication whether we need to walk through + // all stylesheets to fill the table. + bool IsEmpty() const { return mTable.Count() == 0; } + + void FillTableFromRule(css::Rule&); + void FillTableFromRuleList(ServoCSSRuleList&); + void FillTableFromStyleSheet(StyleSheet&); + + typedef nsTHashMap<nsPtrHashKey<const StyleLockedStyleRule>, + WeakPtr<dom::CSSStyleRule>> + Hashtable; + Hashtable mTable; +}; + +} // namespace mozilla + +#endif // mozilla_ServoStyleRuleMap_h |