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118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* internal interface representing CSS style rules that contain other
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* rules, such as @media rules
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*/
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#ifndef mozilla_css_GroupRule_h__
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#define mozilla_css_GroupRule_h__
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#include "mozilla/css/Rule.h"
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#include "nsCOMArray.h"
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#include "nsAutoPtr.h"
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class nsPresContext;
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class nsMediaQueryResultCacheKey;
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namespace mozilla {
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namespace css {
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class GroupRuleRuleList;
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// inherits from Rule so it can be shared between
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// MediaRule and DocumentRule
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class GroupRule : public Rule
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{
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protected:
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GroupRule();
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GroupRule(const GroupRule& aCopy);
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virtual ~GroupRule();
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public:
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// implement part of nsIStyleRule and Rule
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DECL_STYLE_RULE_INHERIT_NO_DOMRULE
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virtual void SetStyleSheet(nsCSSStyleSheet* aSheet);
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// to help implement nsIStyleRule
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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#endif
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public:
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void AppendStyleRule(Rule* aRule);
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PRInt32 StyleRuleCount() const { return mRules.Count(); }
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Rule* GetStyleRuleAt(PRInt32 aIndex) const;
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typedef nsCOMArray<Rule>::nsCOMArrayEnumFunc RuleEnumFunc;
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bool EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const;
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/*
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* The next three methods should never be called unless you have first
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* called WillDirty() on the parent stylesheet. After they are
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* called, DidDirty() needs to be called on the sheet.
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*/
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nsresult DeleteStyleRuleAt(PRUint32 aIndex);
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nsresult InsertStyleRulesAt(PRUint32 aIndex,
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nsCOMArray<Rule>& aRules);
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nsresult ReplaceStyleRule(Rule *aOld, Rule *aNew);
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virtual bool UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey) = 0;
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protected:
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// to help implement nsIDOMCSSRule
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nsresult AppendRulesToCssText(nsAString& aCssText);
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// to implement common methods on nsIDOMCSSMediaRule and
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// nsIDOMCSSMozDocumentRule
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nsresult GetCssRules(nsIDOMCSSRuleList* *aRuleList);
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nsresult InsertRule(const nsAString & aRule, PRUint32 aIndex,
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PRUint32* _retval);
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nsresult DeleteRule(PRUint32 aIndex);
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nsCOMArray<Rule> mRules;
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nsRefPtr<GroupRuleRuleList> mRuleCollection; // lazily constructed
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};
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} // namespace css
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} // namespace mozilla
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#endif /* mozilla_css_GroupRule_h__ */
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