зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
4.2 KiB
C++
123 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/*
|
|
* 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/css/Rule.h"
|
|
#include "nsCOMArray.h"
|
|
#include "nsAutoPtr.h"
|
|
|
|
class nsPresContext;
|
|
class nsMediaQueryResultCacheKey;
|
|
|
|
namespace mozilla {
|
|
namespace css {
|
|
|
|
class GroupRuleRuleList;
|
|
|
|
// inherits from Rule so it can be shared between
|
|
// MediaRule and DocumentRule
|
|
class GroupRule : public Rule
|
|
{
|
|
protected:
|
|
GroupRule();
|
|
GroupRule(const GroupRule& aCopy);
|
|
virtual ~GroupRule();
|
|
public:
|
|
|
|
// implement part of nsIStyleRule and Rule
|
|
DECL_STYLE_RULE_INHERIT_NO_DOMRULE
|
|
virtual void SetStyleSheet(nsCSSStyleSheet* aSheet);
|
|
|
|
// to help implement nsIStyleRule
|
|
#ifdef DEBUG
|
|
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
|
|
#endif
|
|
|
|
public:
|
|
void AppendStyleRule(Rule* aRule);
|
|
|
|
PRInt32 StyleRuleCount() const { return mRules.Count(); }
|
|
Rule* GetStyleRuleAt(PRInt32 aIndex) const;
|
|
|
|
typedef nsCOMArray<Rule>::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(PRUint32 aIndex);
|
|
nsresult InsertStyleRulesAt(PRUint32 aIndex,
|
|
nsCOMArray<Rule>& aRules);
|
|
nsresult ReplaceStyleRule(Rule *aOld, Rule *aNew);
|
|
|
|
virtual bool UseForPresentation(nsPresContext* aPresContext,
|
|
nsMediaQueryResultCacheKey& aKey) = 0;
|
|
|
|
NS_MUST_OVERRIDE size_t // non-virtual -- it is only called by subclasses
|
|
SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const;
|
|
virtual size_t
|
|
SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const = 0;
|
|
|
|
protected:
|
|
// to help implement nsIDOMCSSRule
|
|
nsresult AppendRulesToCssText(nsAString& aCssText);
|
|
|
|
// to implement common methods on nsIDOMCSSMediaRule and
|
|
// nsIDOMCSSMozDocumentRule
|
|
nsresult GetCssRules(nsIDOMCSSRuleList* *aRuleList);
|
|
nsresult InsertRule(const nsAString & aRule, PRUint32 aIndex,
|
|
PRUint32* _retval);
|
|
nsresult DeleteRule(PRUint32 aIndex);
|
|
|
|
nsCOMArray<Rule> mRules;
|
|
nsRefPtr<GroupRuleRuleList> mRuleCollection; // lazily constructed
|
|
};
|
|
|
|
} // namespace css
|
|
} // namespace mozilla
|
|
|
|
#endif /* mozilla_css_GroupRule_h__ */
|