layout/style/nsRuleData.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla Communicator client code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Original Author: David W. Hyatt (hyatt@netscape.com)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
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  28  * in which case the provisions of the GPL or the LGPL are applicable instead
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  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 /*
  40  * temporary (expanded) representation of property-value pairs used to
  41  * hold data from matched rules during style data computation
  42  */
  43
  44 #ifndef nsRuleData_h_
  45 #define nsRuleData_h_
  46
  47 #include "nsCSSStruct.h"
  48 #include "nsStyleStructFwd.h"
  49 class nsPresContext;
  50 class nsStyleContext;
  51
  52 struct nsRuleData;
  53 typedef void (*nsPostResolveFunc)(void* aStyleStruct, nsRuleData* aData);
  54
  55 struct nsRuleData
  56 {
  57   PRUint32 mSIDs;
  58   PRPackedBool mCanStoreInRuleTree;
  59   PRPackedBool mIsImportantRule;
  60   PRUint8 mLevel; // an nsStyleSet::sheetType
  61   nsPresContext* mPresContext;
  62   nsStyleContext* mStyleContext;
  63   nsPostResolveFunc mPostResolveCallback;
  64   nsRuleDataFont* mFontData; // Should always be stack-allocated! We don't own these structures!
  65   nsRuleDataDisplay* mDisplayData;
  66   nsRuleDataMargin* mMarginData;
  67   nsRuleDataList* mListData;
  68   nsRuleDataPosition* mPositionData;
  69   nsRuleDataTable* mTableData;
  70   nsRuleDataColor* mColorData;
  71   nsRuleDataContent* mContentData;
  72   nsRuleDataText* mTextData;
  73   nsRuleDataUserInterface* mUserInterfaceData;
  74   nsRuleDataXUL* mXULData;
  75
  76 #ifdef MOZ_SVG
  77   nsRuleDataSVG* mSVGData;
  78 #endif
  79
  80   nsRuleDataColumn* mColumnData;
  81
  82   nsRuleData(PRUint32 aSIDs, nsPresContext* aContext, nsStyleContext* aStyleContext)
  83     :mSIDs(aSIDs), mPresContext(aContext), mStyleContext(aStyleContext), mPostResolveCallback(nsnull),
  84      mFontData(nsnull), mDisplayData(nsnull), mMarginData(nsnull), mListData(nsnull),
  85      mPositionData(nsnull), mTableData(nsnull), mColorData(nsnull), mContentData(nsnull), mTextData(nsnull),
  86      mUserInterfaceData(nsnull), mColumnData(nsnull)
  87   {
  88     mCanStoreInRuleTree = PR_TRUE;
  89     mXULData = nsnull;
  90 #ifdef MOZ_SVG
  91     mSVGData = nsnull;
  92 #endif
  93   }
  94   ~nsRuleData() {}
  95 };
  96
  97 #endif