/* -*- 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.org 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): * * 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 ***** */ /* DOM object representing values in DOM computed style */ #ifndef nsROCSSPrimitiveValue_h___ #define nsROCSSPrimitiveValue_h___ #include "nsIDOMCSSPrimitiveValue.h" #include "nsString.h" #include "nsCoord.h" #include "nsReadableUtils.h" #include "nsIURI.h" #include "nsIAtom.h" #include "nsCSSKeywords.h" #include "nsCOMPtr.h" #include "nsDOMError.h" #include "nsDOMCSSRect.h" #include "nsDOMCSSRGBColor.h" class nsROCSSPrimitiveValue : public nsIDOMCSSPrimitiveValue { public: NS_DECL_ISUPPORTS // nsIDOMCSSPrimitiveValue NS_DECL_NSIDOMCSSPRIMITIVEVALUE // nsIDOMCSSValue NS_DECL_NSIDOMCSSVALUE // nsROCSSPrimitiveValue nsROCSSPrimitiveValue(PRInt32 aAppUnitsPerInch); virtual ~nsROCSSPrimitiveValue(); // FIXME Many of these methods should be out-of-line. void SetNumber(float aValue) { Reset(); mValue.mFloat = aValue; mType = CSS_NUMBER; } void SetNumber(PRInt32 aValue) { Reset(); mValue.mFloat = float(aValue); mType = CSS_NUMBER; } void SetNumber(PRUint32 aValue) { Reset(); mValue.mFloat = float(aValue); mType = CSS_NUMBER; } void SetPercent(float aValue) { Reset(); mValue.mFloat = aValue; mType = CSS_PERCENTAGE; } void SetAppUnits(nscoord aValue) { Reset(); mValue.mAppUnits = aValue; mType = CSS_PX; } void SetAppUnits(float aValue) { SetAppUnits(NSToCoordRound(aValue)); } void SetIdent(nsCSSKeyword aKeyword) { NS_PRECONDITION(aKeyword != eCSSKeyword_UNKNOWN && 0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "bad keyword"); Reset(); mValue.mKeyword = aKeyword; mType = CSS_IDENT; } // FIXME: CSS_STRING should imply a string with "" and a need for escaping. void SetString(const nsACString& aString, PRUint16 aType = CSS_STRING) { Reset(); mValue.mString = ToNewUnicode(aString); if (mValue.mString) { mType = aType; } else { // XXXcaa We should probably let the caller know we are out of memory mType = CSS_UNKNOWN; } } // FIXME: CSS_STRING should imply a string with "" and a need for escaping. void SetString(const nsAString& aString, PRUint16 aType = CSS_STRING) { Reset(); mValue.mString = ToNewUnicode(aString); if (mValue.mString) { mType = aType; } else { // XXXcaa We should probably let the caller know we are out of memory mType = CSS_UNKNOWN; } } void SetURI(nsIURI *aURI) { Reset(); mValue.mURI = aURI; NS_IF_ADDREF(mValue.mURI); mType = CSS_URI; } void SetColor(nsDOMCSSRGBColor* aColor) { NS_PRECONDITION(aColor, "Null RGBColor being set!"); Reset(); mValue.mColor = aColor; if (mValue.mColor) { NS_ADDREF(mValue.mColor); mType = CSS_RGBCOLOR; } else { mType = CSS_UNKNOWN; } } void SetRect(nsIDOMRect* aRect) { NS_PRECONDITION(aRect, "Null rect being set!"); Reset(); mValue.mRect = aRect; if (mValue.mRect) { NS_ADDREF(mValue.mRect); mType = CSS_RECT; } else { mType = CSS_UNKNOWN; } } void Reset(void) { switch (mType) { case CSS_IDENT: break; case CSS_STRING: case CSS_ATTR: case CSS_COUNTER: // FIXME: Counter should use an object NS_ASSERTION(mValue.mString, "Null string should never happen"); nsMemory::Free(mValue.mString); mValue.mString = nsnull; break; case CSS_URI: NS_IF_RELEASE(mValue.mURI); break; case CSS_RECT: NS_ASSERTION(mValue.mRect, "Null Rect should never happen"); NS_RELEASE(mValue.mRect); break; case CSS_RGBCOLOR: NS_ASSERTION(mValue.mColor, "Null RGBColor should never happen"); NS_RELEASE(mValue.mColor); break; } } private: PRUint16 mType; union { nscoord mAppUnits; float mFloat; nsDOMCSSRGBColor* mColor; nsIDOMRect* mRect; PRUnichar* mString; nsIURI* mURI; nsCSSKeyword mKeyword; } mValue; PRInt32 mAppUnitsPerInch; }; #endif /* nsROCSSPrimitiveValue_h___ */