layout/style/GroupRule.h@6474c204b198 (annotated)
layout/style/GroupRule.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * internal interface representing CSS style rules that contain other |
| michael@0 | 8 | * rules, such as @media rules |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | #ifndef mozilla_css_GroupRule_h__ |
| michael@0 | 12 | #define mozilla_css_GroupRule_h__ |
| michael@0 | 13 | |
| michael@0 | 14 | #include "mozilla/Attributes.h" |
| michael@0 | 15 | #include "mozilla/MemoryReporting.h" |
| michael@0 | 16 | #include "mozilla/css/Rule.h" |
| michael@0 | 17 | #include "nsCOMArray.h" |
| michael@0 | 18 | #include "nsAutoPtr.h" |
| michael@0 | 19 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 20 | |
| michael@0 | 21 | class nsPresContext; |
| michael@0 | 22 | class nsMediaQueryResultCacheKey; |
| michael@0 | 23 | |
| michael@0 | 24 | namespace mozilla { |
| michael@0 | 25 | namespace css { |
| michael@0 | 26 | |
| michael@0 | 27 | class GroupRuleRuleList; |
| michael@0 | 28 | |
| michael@0 | 29 | // inherits from Rule so it can be shared between |
| michael@0 | 30 | // MediaRule and DocumentRule |
| michael@0 | 31 | class GroupRule : public Rule |
| michael@0 | 32 | { |
| michael@0 | 33 | protected: |
| michael@0 | 34 | GroupRule(); |
| michael@0 | 35 | GroupRule(const GroupRule& aCopy); |
| michael@0 | 36 | virtual ~GroupRule(); |
| michael@0 | 37 | public: |
| michael@0 | 38 | |
| michael@0 | 39 | NS_DECL_CYCLE_COLLECTION_CLASS(GroupRule) |
| michael@0 | 40 | NS_DECL_CYCLE_COLLECTING_ISUPPORTS |
| michael@0 | 41 | |
| michael@0 | 42 | // implement part of nsIStyleRule and Rule |
| michael@0 | 43 | DECL_STYLE_RULE_INHERIT_NO_DOMRULE |
| michael@0 | 44 | virtual void SetStyleSheet(nsCSSStyleSheet* aSheet); |
| michael@0 | 45 | |
| michael@0 | 46 | // to help implement nsIStyleRule |
| michael@0 | 47 | #ifdef DEBUG |
| michael@0 | 48 | virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE; |
| michael@0 | 49 | #endif |
| michael@0 | 50 | |
| michael@0 | 51 | public: |
| michael@0 | 52 | void AppendStyleRule(Rule* aRule); |
| michael@0 | 53 | |
| michael@0 | 54 | int32_t StyleRuleCount() const { return mRules.Count(); } |
| michael@0 | 55 | Rule* GetStyleRuleAt(int32_t aIndex) const; |
| michael@0 | 56 | |
| michael@0 | 57 | typedef nsCOMArray<Rule>::nsCOMArrayEnumFunc RuleEnumFunc; |
| michael@0 | 58 | bool EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const; |
| michael@0 | 59 | |
| michael@0 | 60 | /* |
| michael@0 | 61 | * The next three methods should never be called unless you have first |
| michael@0 | 62 | * called WillDirty() on the parent stylesheet. After they are |
| michael@0 | 63 | * called, DidDirty() needs to be called on the sheet. |
| michael@0 | 64 | */ |
| michael@0 | 65 | nsresult DeleteStyleRuleAt(uint32_t aIndex); |
| michael@0 | 66 | nsresult InsertStyleRuleAt(uint32_t aIndex, Rule* aRule); |
| michael@0 | 67 | nsresult ReplaceStyleRule(Rule *aOld, Rule *aNew); |
| michael@0 | 68 | |
| michael@0 | 69 | virtual bool UseForPresentation(nsPresContext* aPresContext, |
| michael@0 | 70 | nsMediaQueryResultCacheKey& aKey) = 0; |
| michael@0 | 71 | |
| michael@0 | 72 | // non-virtual -- it is only called by subclasses |
| michael@0 | 73 | size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const; |
| michael@0 | 74 | virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const = 0; |
| michael@0 | 75 | |
| michael@0 | 76 | static bool |
| michael@0 | 77 | CloneRuleInto(Rule* aRule, void* aArray) |
| michael@0 | 78 | { |
| michael@0 | 79 | nsRefPtr<Rule> clone = aRule->Clone(); |
| michael@0 | 80 | static_cast<nsCOMArray<Rule>*>(aArray)->AppendObject(clone); |
| michael@0 | 81 | return true; |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | protected: |
| michael@0 | 85 | // to help implement nsIDOMCSSRule |
| michael@0 | 86 | void AppendRulesToCssText(nsAString& aCssText); |
| michael@0 | 87 | |
| michael@0 | 88 | // to implement common methods on nsIDOMCSSMediaRule and |
| michael@0 | 89 | // nsIDOMCSSMozDocumentRule |
| michael@0 | 90 | nsresult GetCssRules(nsIDOMCSSRuleList* *aRuleList); |
| michael@0 | 91 | nsresult InsertRule(const nsAString & aRule, uint32_t aIndex, |
| michael@0 | 92 | uint32_t* _retval); |
| michael@0 | 93 | nsresult DeleteRule(uint32_t aIndex); |
| michael@0 | 94 | |
| michael@0 | 95 | nsCOMArray<Rule> mRules; |
| michael@0 | 96 | nsRefPtr<GroupRuleRuleList> mRuleCollection; // lazily constructed |
| michael@0 | 97 | }; |
| michael@0 | 98 | |
| michael@0 | 99 | } // namespace css |
| michael@0 | 100 | } // namespace mozilla |
| michael@0 | 101 | |
| michael@0 | 102 | #endif /* mozilla_css_GroupRule_h__ */ |
