The Tor Browser / file comparison
comparison: layout/style/GroupRule.h
layout/style/GroupRule.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:18175a7ffaea |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * internal interface representing CSS style rules that contain other | |
| 8 * rules, such as @media rules | |
| 9 */ | |
| 10 | |
| 11 #ifndef mozilla_css_GroupRule_h__ | |
| 12 #define mozilla_css_GroupRule_h__ | |
| 13 | |
| 14 #include "mozilla/Attributes.h" | |
| 15 #include "mozilla/MemoryReporting.h" | |
| 16 #include "mozilla/css/Rule.h" | |
| 17 #include "nsCOMArray.h" | |
| 18 #include "nsAutoPtr.h" | |
| 19 #include "nsCycleCollectionParticipant.h" | |
| 20 | |
| 21 class nsPresContext; | |
| 22 class nsMediaQueryResultCacheKey; | |
| 23 | |
| 24 namespace mozilla { | |
| 25 namespace css { | |
| 26 | |
| 27 class GroupRuleRuleList; | |
| 28 | |
| 29 // inherits from Rule so it can be shared between | |
| 30 // MediaRule and DocumentRule | |
| 31 class GroupRule : public Rule | |
| 32 { | |
| 33 protected: | |
| 34 GroupRule(); | |
| 35 GroupRule(const GroupRule& aCopy); | |
| 36 virtual ~GroupRule(); | |
| 37 public: | |
| 38 | |
| 39 NS_DECL_CYCLE_COLLECTION_CLASS(GroupRule) | |
| 40 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 41 | |
| 42 // implement part of nsIStyleRule and Rule | |
| 43 DECL_STYLE_RULE_INHERIT_NO_DOMRULE | |
| 44 virtual void SetStyleSheet(nsCSSStyleSheet* aSheet); | |
| 45 | |
| 46 // to help implement nsIStyleRule | |
| 47 #ifdef DEBUG | |
| 48 virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE; | |
| 49 #endif | |
| 50 | |
| 51 public: | |
| 52 void AppendStyleRule(Rule* aRule); | |
| 53 | |
| 54 int32_t StyleRuleCount() const { return mRules.Count(); } | |
| 55 Rule* GetStyleRuleAt(int32_t aIndex) const; | |
| 56 | |
| 57 typedef nsCOMArray<Rule>::nsCOMArrayEnumFunc RuleEnumFunc; | |
| 58 bool EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const; | |
| 59 | |
| 60 /* | |
| 61 * The next three methods should never be called unless you have first | |
| 62 * called WillDirty() on the parent stylesheet. After they are | |
| 63 * called, DidDirty() needs to be called on the sheet. | |
| 64 */ | |
| 65 nsresult DeleteStyleRuleAt(uint32_t aIndex); | |
| 66 nsresult InsertStyleRuleAt(uint32_t aIndex, Rule* aRule); | |
| 67 nsresult ReplaceStyleRule(Rule *aOld, Rule *aNew); | |
| 68 | |
| 69 virtual bool UseForPresentation(nsPresContext* aPresContext, | |
| 70 nsMediaQueryResultCacheKey& aKey) = 0; | |
| 71 | |
| 72 // non-virtual -- it is only called by subclasses | |
| 73 size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const; | |
| 74 virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const = 0; | |
| 75 | |
| 76 static bool | |
| 77 CloneRuleInto(Rule* aRule, void* aArray) | |
| 78 { | |
| 79 nsRefPtr<Rule> clone = aRule->Clone(); | |
| 80 static_cast<nsCOMArray<Rule>*>(aArray)->AppendObject(clone); | |
| 81 return true; | |
| 82 } | |
| 83 | |
| 84 protected: | |
| 85 // to help implement nsIDOMCSSRule | |
| 86 void AppendRulesToCssText(nsAString& aCssText); | |
| 87 | |
| 88 // to implement common methods on nsIDOMCSSMediaRule and | |
| 89 // nsIDOMCSSMozDocumentRule | |
| 90 nsresult GetCssRules(nsIDOMCSSRuleList* *aRuleList); | |
| 91 nsresult InsertRule(const nsAString & aRule, uint32_t aIndex, | |
| 92 uint32_t* _retval); | |
| 93 nsresult DeleteRule(uint32_t aIndex); | |
| 94 | |
| 95 nsCOMArray<Rule> mRules; | |
| 96 nsRefPtr<GroupRuleRuleList> mRuleCollection; // lazily constructed | |
| 97 }; | |
| 98 | |
| 99 } // namespace css | |
| 100 } // namespace mozilla | |
| 101 | |
| 102 #endif /* mozilla_css_GroupRule_h__ */ |
