pjs/layout/style/nsRuleData.h

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/* -*- 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 Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Original Author: David W. Hyatt (hyatt@netscape.com)
*
* 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 ***** */
/*
* temporary (expanded) representation of property-value pairs used to
* hold data from matched rules during style data computation.
*/
#ifndef nsRuleData_h_
#define nsRuleData_h_
#include "nsCSSProps.h"
#include "nsCSSStruct.h"
#include "nsStyleStructFwd.h"
class nsPresContext;
class nsStyleContext;
struct nsRuleData;
typedef void (*nsPostResolveFunc)(void* aStyleStruct, nsRuleData* aData);
struct nsRuleData
{
PRUint32 mSIDs;
PRPackedBool mCanStoreInRuleTree;
PRPackedBool mIsImportantRule;
PRUint8 mLevel; // an nsStyleSet::sheetType
nsPresContext* mPresContext;
nsStyleContext* mStyleContext;
nsPostResolveFunc mPostResolveCallback;
// Should always be stack-allocated! We don't own these structures!
nsRuleDataFont* mFontData;
nsRuleDataDisplay* mDisplayData;
nsRuleDataMargin* mMarginData;
nsRuleDataList* mListData;
nsRuleDataPosition* mPositionData;
nsRuleDataTable* mTableData;
nsRuleDataColor* mColorData;
nsRuleDataContent* mContentData;
nsRuleDataText* mTextData;
nsRuleDataUserInterface* mUserInterfaceData;
nsRuleDataXUL* mXULData;
nsRuleDataSVG* mSVGData;
nsRuleDataColumn* mColumnData;
nsRuleData(PRUint32 aSIDs,
nsPresContext* aContext,
nsStyleContext* aStyleContext)
: mSIDs(aSIDs),
mCanStoreInRuleTree(PR_TRUE),
mPresContext(aContext),
mStyleContext(aStyleContext),
mPostResolveCallback(nsnull),
mFontData(nsnull),
mDisplayData(nsnull),
mMarginData(nsnull),
mListData(nsnull),
mPositionData(nsnull),
mTableData(nsnull),
mColorData(nsnull),
mContentData(nsnull),
mTextData(nsnull),
mUserInterfaceData(nsnull),
mXULData(nsnull),
mSVGData(nsnull),
mColumnData(nsnull)
{}
~nsRuleData() {}
/**
* Return a pointer to the value object within |this| corresponding
* to property |aProperty|, or null if storage for that property has
* not been allocated.
*/
nsCSSValue* ValueFor(nsCSSProperty aProperty);
};
#endif