layout/style/nsROCSSPrimitiveValue.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.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
  38 /* DOM object representing values in DOM computed style */
  39
  40 #ifndef nsROCSSPrimitiveValue_h___
  41 #define nsROCSSPrimitiveValue_h___
  42
  43 #include "nsIDOMCSSPrimitiveValue.h"
  44 #include "nsCoord.h"
  45 #include "nsCSSKeywords.h"
  46
  47 class nsIURI;
  48 class nsDOMCSSRGBColor;
  49
  50 class nsROCSSPrimitiveValue : public nsIDOMCSSPrimitiveValue
  51 {
  52 public:
  53   NS_DECL_ISUPPORTS
  54
  55   // nsIDOMCSSPrimitiveValue
  56   NS_DECL_NSIDOMCSSPRIMITIVEVALUE
  57
  58   // nsIDOMCSSValue
  59   NS_DECL_NSIDOMCSSVALUE
  60
  61   // nsROCSSPrimitiveValue
  62   nsROCSSPrimitiveValue(PRInt32 aAppUnitsPerInch);
  63   virtual ~nsROCSSPrimitiveValue();
  64
  65   void SetNumber(float aValue);
  66   void SetNumber(PRInt32 aValue);
  67   void SetNumber(PRUint32 aValue);
  68   void SetPercent(float aValue);
  69   void SetAppUnits(nscoord aValue);
  70   void SetAppUnits(float aValue);
  71   void SetIdent(nsCSSKeyword aKeyword);
  72   // FIXME: CSS_STRING should imply a string with "" and a need for escaping.
  73   void SetString(const nsACString& aString, PRUint16 aType = CSS_STRING);
  74   // FIXME: CSS_STRING should imply a string with "" and a need for escaping.
  75   void SetString(const nsAString& aString, PRUint16 aType = CSS_STRING);
  76   void SetURI(nsIURI *aURI);
  77   void SetColor(nsDOMCSSRGBColor* aColor);
  78   void SetRect(nsIDOMRect* aRect);
  79   void SetTime(float aValue);
  80   void Reset();
  81
  82 private:
  83   PRUint16 mType;
  84
  85   union {
  86     nscoord         mAppUnits;
  87     float           mFloat;
  88     nsDOMCSSRGBColor* mColor;
  89     nsIDOMRect*     mRect;
  90     PRUnichar*      mString;
  91     nsIURI*         mURI;
  92     nsCSSKeyword    mKeyword;
  93   } mValue;
  94
  95   PRInt32 mAppUnitsPerInch;
  96 };
  97
  98 #endif /* nsROCSSPrimitiveValue_h___ */
  99