LCOV - code coverage report
Current view: directory - layout/style - nsStyleUtil.h (source / functions) Found Hit Coverage
Test: app.info Lines: 3 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       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.org 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                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : #ifndef nsStyleUtil_h___
      38                 : #define nsStyleUtil_h___
      39                 : 
      40                 : #include "nsCoord.h"
      41                 : #include "nsCSSProperty.h"
      42                 : 
      43                 : class nsPresContext;
      44                 : struct nsStyleBackground;
      45                 : class nsString;
      46                 : class nsStringComparator;
      47                 : class nsIContent;
      48                 : 
      49                 : enum nsFontSizeType {
      50                 :   eFontSize_HTML = 1,
      51                 :   eFontSize_CSS = 2
      52                 : };
      53                 : 
      54                 : 
      55                 : // Style utility functions
      56                 : class nsStyleUtil {
      57                 : public:
      58                 :   
      59                 :   static nscoord CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize, 
      60                 :                                    nsPresContext* aPresContext,
      61                 :                                    nsFontSizeType aFontSizeType = eFontSize_HTML);
      62                 : 
      63                 :   static nscoord FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize, 
      64                 :                                          nsPresContext* aPresContext,
      65                 :                                          nsFontSizeType aFontSizeType = eFontSize_HTML);
      66                 : 
      67                 :   static nscoord FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePointSize, 
      68                 :                                         nsPresContext* aPresContext,
      69                 :                                         nsFontSizeType aFontSizeType = eFontSize_HTML);
      70                 : 
      71                 :   static PRInt32 ConstrainFontWeight(PRInt32 aWeight);
      72                 : 
      73                 :  static bool DashMatchCompare(const nsAString& aAttributeValue,
      74                 :                                 const nsAString& aSelectorValue,
      75                 :                                 const nsStringComparator& aComparator);
      76                 :                                 
      77                 :   // Append a quoted (with "") and escaped version of aString to aResult.
      78                 :   static void AppendEscapedCSSString(const nsString& aString,
      79                 :                                      nsAString& aResult);
      80                 :   // Append the identifier given by |aIdent| to |aResult|, with
      81                 :   // appropriate escaping so that it can be reparsed to the same
      82                 :   // identifier.
      83                 :   static void AppendEscapedCSSIdent(const nsString& aIdent,
      84                 :                                     nsAString& aResult);
      85                 : 
      86                 :   // Append a bitmask-valued property's value(s) (space-separated) to aResult.
      87                 :   static void AppendBitmaskCSSValue(nsCSSProperty aProperty,
      88                 :                                     PRInt32 aMaskedValue,
      89                 :                                     PRInt32 aFirstMask,
      90                 :                                     PRInt32 aLastMask,
      91                 :                                     nsAString& aResult);
      92                 : 
      93                 :   /*
      94                 :    * Convert an author-provided floating point number to an integer (0
      95                 :    * ... 255) appropriate for use in the alpha component of a color.
      96                 :    */
      97               0 :   static PRUint8 FloatToColorComponent(float aAlpha)
      98                 :   {
      99               0 :     NS_ASSERTION(0.0 <= aAlpha && aAlpha <= 1.0, "out of range");
     100               0 :     return NSToIntRound(aAlpha * 255);
     101                 :   }
     102                 : 
     103                 :   /*
     104                 :    * Convert the alpha component of an nscolor (0 ... 255) to the
     105                 :    * floating point number with the least accurate *decimal*
     106                 :    * representation that is converted to that color.
     107                 :    *
     108                 :    * Should be used only by serialization code.
     109                 :    */
     110                 :   static float ColorComponentToFloat(PRUint8 aAlpha);
     111                 : 
     112                 :   /*
     113                 :    * Does this child count as significant for selector matching?
     114                 :    */
     115                 :   static bool IsSignificantChild(nsIContent* aChild,
     116                 :                                    bool aTextIsSignificant,
     117                 :                                    bool aWhitespaceIsSignificant);
     118                 : };
     119                 : 
     120                 : 
     121                 : #endif /* nsStyleUtil_h___ */

Generated by: LCOV version 1.7