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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/style/GroupRule.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/layout/style/GroupRule.h b/layout/style/GroupRule.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/IncrementalClearCOMRuleArray.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/css/Rule.h"
+#include "nsCycleCollectionParticipant.h"
+
+class nsPresContext;
+class nsMediaQueryResultCacheKey;
+
+namespace mozilla {
+
+class CSSStyleSheet;
+
+namespace css {
+
+class GroupRuleRuleList;
+
+// inherits from Rule so it can be shared between
+// MediaRule and DocumentRule
+class GroupRule : public Rule
+{
+protected:
+ GroupRule(uint32_t aLineNumber, uint32_t aColumnNumber);
+ GroupRule(const GroupRule& aCopy);
+ virtual ~GroupRule();
+public:
+
+ NS_DECL_CYCLE_COLLECTION_CLASS(GroupRule)
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+
+ // implement part of Rule
+ DECL_STYLE_RULE_INHERIT_NO_DOMRULE
+#ifdef DEBUG
+ virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
+#endif
+ virtual void SetStyleSheet(CSSStyleSheet* aSheet) override;
+
+public:
+ void AppendStyleRule(Rule* aRule);
+
+ int32_t StyleRuleCount() const { return mRules.Count(); }
+ Rule* GetStyleRuleAt(int32_t aIndex) const;
+
+ typedef IncrementalClearCOMRuleArray::nsCOMArrayEnumFunc RuleEnumFunc;
+ bool EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const;
+
+ /*
+ * The next three methods should never be called unless you have first
+ * called WillDirty() on the parent stylesheet. After they are
+ * called, DidDirty() needs to be called on the sheet.
+ */
+ nsresult DeleteStyleRuleAt(uint32_t aIndex);
+ nsresult InsertStyleRuleAt(uint32_t aIndex, Rule* aRule);
+
+ virtual bool UseForPresentation(nsPresContext* aPresContext,
+ nsMediaQueryResultCacheKey& aKey) = 0;
+
+ // non-virtual -- it is only called by subclasses
+ size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+ virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override = 0;
+
+ static bool
+ CloneRuleInto(Rule* aRule, void* aArray)
+ {
+ RefPtr<Rule> clone = aRule->Clone();
+ static_cast<IncrementalClearCOMRuleArray*>(aArray)->AppendObject(clone);
+ return true;
+ }
+
+protected:
+ // to help implement nsIDOMCSSRule
+ void AppendRulesToCssText(nsAString& aCssText);
+
+ // to implement common methods on nsIDOMCSSMediaRule and
+ // nsIDOMCSSMozDocumentRule
+ nsresult GetCssRules(nsIDOMCSSRuleList* *aRuleList);
+ nsresult InsertRule(const nsAString & aRule, uint32_t aIndex,
+ uint32_t* _retval);
+ nsresult DeleteRule(uint32_t aIndex);
+
+ IncrementalClearCOMRuleArray mRules;
+ RefPtr<GroupRuleRuleList> mRuleCollection; // lazily constructed
+};
+
+} // namespace css
+} // namespace mozilla
+
+#endif /* mozilla_css_GroupRule_h__ */