2001-09-25 05:32:19 +04:00
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/* -*- 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: NPL 1.1/GPL 2.0/LGPL 2.1
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2001-02-19 15:10:13 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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2001-02-19 15:10:13 +03:00
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*
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2001-09-25 05:32:19 +04:00
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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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2001-02-19 15:10:13 +03:00
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*
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* The Original Code is mozilla.org code.
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*
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2001-09-25 05:32:19 +04:00
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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) 1998
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* the Initial Developer. All Rights Reserved.
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2001-02-19 15:10:13 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* Contributor(s):
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*
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2001-02-19 15:10:13 +03:00
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#ifndef nsStyleUtil_h___
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#define nsStyleUtil_h___
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#include "nsCoord.h"
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#include "nsIPresContext.h"
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#include "nsILinkHandler.h" // for nsLinkState
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class nsIStyleContext;
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2001-06-01 02:19:43 +04:00
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struct nsStyleBackground;
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2001-02-19 15:10:13 +03:00
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enum nsFontSizeType {
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eFontSize_HTML = 1,
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eFontSize_CSS = 2
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};
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// Style utility functions
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class nsStyleUtil {
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public:
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static float GetScalingFactor(PRInt32 aScaler);
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static nscoord CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 ConstrainFontWeight(PRInt32 aWeight);
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2001-06-01 02:19:43 +04:00
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static const nsStyleBackground* FindNonTransparentBackground(nsIStyleContext* aContext,
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PRBool aStartAtParent = PR_FALSE);
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2001-02-19 15:10:13 +03:00
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static PRBool IsHTMLLink(nsIContent *aContent, nsIAtom *aTag, nsIPresContext *aPresContext, nsLinkState *aState);
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static PRBool IsSimpleXlink(nsIContent *aContent, nsIPresContext *aPresContext, nsLinkState *aState);
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};
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#endif /* nsStyleUtil_h___ */
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