diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/style/GroupRule.h | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/GroupRule.h')
-rw-r--r-- | layout/style/GroupRule.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/layout/style/GroupRule.h b/layout/style/GroupRule.h new file mode 100644 index 0000000000..73122a79e6 --- /dev/null +++ b/layout/style/GroupRule.h @@ -0,0 +1,94 @@ +/* -*- 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/. */ + +/* + * internal interface representing CSS style rules that contain other + * rules, such as @media rules + */ + +#ifndef mozilla_css_GroupRule_h__ +#define mozilla_css_GroupRule_h__ + +#include "mozilla/Attributes.h" +#include "mozilla/MemoryReporting.h" +#include "mozilla/ServoCSSRuleList.h" +#include "mozilla/css/Rule.h" +#include "nsCycleCollectionParticipant.h" + +namespace mozilla { + +class ErrorResult; +class StyleSheet; + +namespace dom { +class CSSRuleList; +} // namespace dom + +namespace css { + +// inherits from Rule so it can be shared between +// MediaRule and DocumentRule +class GroupRule : public Rule { + protected: + GroupRule(already_AddRefed<ServoCssRules> aRules, StyleSheet* aSheet, + Rule* aParentRule, uint32_t aLineNumber, uint32_t aColumnNumber); + GroupRule(const GroupRule& aCopy) = delete; + virtual ~GroupRule(); + + public: + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(GroupRule, Rule) + NS_DECL_ISUPPORTS_INHERITED + virtual bool IsCCLeaf() const override; + +#ifdef DEBUG + void List(FILE* out = stdout, int32_t aIndent = 0) const override; +#endif + void DropSheetReference() override; + + public: + int32_t StyleRuleCount() const { return mRuleList->Length(); } + + Rule* GetStyleRuleAt(int32_t aIndex) const { + return mRuleList->GetRule(aIndex); + } + + /* + * The next method should never be called unless you have first called + * WillDirty() on the parent stylesheet. + */ + nsresult DeleteStyleRuleAt(uint32_t aIndex) { + return mRuleList->DeleteRule(aIndex); + } + + // non-virtual -- it is only called by subclasses + size_t SizeOfExcludingThis(MallocSizeOf) const; + size_t SizeOfIncludingThis(MallocSizeOf) const override = 0; + + // WebIDL API + dom::CSSRuleList* CssRules() { return mRuleList; } + uint32_t InsertRule(const nsACString& aRule, uint32_t aIndex, + ErrorResult& aRv); + void DeleteRule(uint32_t aIndex, ErrorResult& aRv); + + private: + RefPtr<ServoCSSRuleList> mRuleList; +}; + +// Implementation of WebIDL CSSConditionRule. +class ConditionRule : public GroupRule { + protected: + using GroupRule::GroupRule; + + public: + virtual void GetConditionText(nsACString& aConditionText) = 0; + virtual void SetConditionText(const nsACString& aConditionText, + ErrorResult& aRv) = 0; +}; + +} // namespace css +} // namespace mozilla + +#endif /* mozilla_css_GroupRule_h__ */ |