gecko/content/base/src/nsStyledElement.h

107 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=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):
* Daniel Kraft <d@domob.eu>
*
* 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 ***** */
/**
* nsStyledElement is the base for elements supporting styling via the
* id/class/style attributes; it is a common base for their support in HTML,
* SVG and MathML.
*/
#ifndef __NS_STYLEDELEMENT_H_
#define __NS_STYLEDELEMENT_H_
#include "nsString.h"
#include "nsGenericElement.h"
class nsICSSStyleRule;
typedef nsGenericElement nsStyledElementBase;
class nsStyledElement : public nsStyledElementBase
{
protected:
inline nsStyledElement(nsINodeInfo *aNodeInfo)
: nsStyledElementBase(aNodeInfo)
{}
public:
// nsIContent interface methods for styling
virtual nsIAtom* GetClassAttributeName() const;
virtual nsIAtom* GetIDAttributeName() const;
virtual const nsAttrValue* DoGetClasses() const;
virtual nsICSSStyleRule* GetInlineStyleRule();
NS_IMETHOD SetInlineStyleRule(nsICSSStyleRule* aStyleRule, PRBool aNotify);
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
PRBool aCompileEventHandlers);
protected:
/**
* Parse a style attr value into a CSS rulestruct (or, if there is no
* document, leave it as a string) and return as nsAttrValue.
*
* @param aValue the value to parse
* @param aResult the resulting HTMLValue [OUT]
*/
void ParseStyleAttribute(const nsAString& aValue,
nsAttrValue& aResult,
PRBool aForceInDataDoc);
virtual PRBool ParseAttribute(PRInt32 aNamespaceID, nsIAtom* aAttribute,
const nsAString& aValue, nsAttrValue& aResult);
nsresult GetStyle(nsIDOMCSSStyleDeclaration** aStyle);
/**
* Create the style struct from the style attr. Used when an element is
* first put into a document. Only has an effect if the old value is a
* string. If aForceInDataDoc is true, will reparse even if we're in a data
* document.
*/
nsresult ReparseStyleAttribute(PRBool aForceInDataDoc);
};
#endif // __NS_STYLEDELEMENT_H_