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/* -*- 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 Communicator client 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 ***** */
#ifndef nsDOMCSSDeclaration_h___
#define nsDOMCSSDeclaration_h___
#include "nsICSSDeclaration.h"
#include "nsIDOMCSS2Properties.h"
class nsCSSDeclaration;
class nsICSSParser;
class nsICSSLoader;
class nsIURI;
class CSS2PropertiesTearoff : public nsIDOMNSCSS2Properties
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMCSS2PROPERTIES
NS_DECL_NSIDOMNSCSS2PROPERTIES
CSS2PropertiesTearoff(nsICSSDeclaration *aOuter);
virtual ~CSS2PropertiesTearoff();
private:
nsICSSDeclaration* mOuter;
};
class nsDOMCSSDeclaration : public nsICSSDeclaration
{
public:
nsDOMCSSDeclaration();
// Only implement QueryInterface; subclasses have the responsibility
// of implementing AddRef/Release.
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
NS_DECL_NSICSSDECLARATION
// Require subclasses to implement |GetParentRule|.
//NS_DECL_NSIDOMCSSSTYLEDECLARATION
NS_IMETHOD GetCssText(nsAString & aCssText);
NS_IMETHOD SetCssText(const nsAString & aCssText);
NS_IMETHOD GetPropertyValue(const nsAString & propertyName,
nsAString & _retval);
NS_IMETHOD GetPropertyCSSValue(const nsAString & propertyName,
nsIDOMCSSValue **_retval);
NS_IMETHOD RemoveProperty(const nsAString & propertyName,
nsAString & _retval);
NS_IMETHOD GetPropertyPriority(const nsAString & propertyName,
nsAString & _retval);
NS_IMETHOD SetProperty(const nsAString & propertyName,
const nsAString & value, const nsAString & priority);
NS_IMETHOD GetLength(PRUint32 *aLength);
NS_IMETHOD Item(PRUint32 index, nsAString & _retval);
NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) = 0;
virtual void DropReference() = 0;
protected:
// Always fills in the out parameter, even on failure, and if the out
// parameter is null the nsresult will be the correct thing to
// propagate.
virtual nsresult GetCSSDeclaration(nsCSSDeclaration **aDecl,
PRBool aAllocate) = 0;
virtual nsresult DeclarationChanged() = 0;
// This will only fail if it can't get a parser. This means it can
// return NS_OK without aURI or aCSSLoader being initialized.
virtual nsresult GetCSSParsingEnvironment(nsIURI** aSheetURI,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser) = 0;
nsresult ParsePropertyValue(const nsCSSProperty aPropID,
const nsAString& aPropValue);
nsresult ParseDeclaration(const nsAString& aDecl,
PRBool aParseOnlyOneDecl, PRBool aClearOldDecl);
// Prop-id based version of RemoveProperty. Note that this does not
// return the old value; it just does a straight removal.
nsresult RemoveProperty(const nsCSSProperty aPropID);
protected:
virtual ~nsDOMCSSDeclaration();
private:
CSS2PropertiesTearoff mInner;
};
#endif // nsDOMCSSDeclaration_h___
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