pjs/content/base/public/nsIStyleSheetLinkingElement.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
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*
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* 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):
*
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* either 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"),
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#ifndef nsIStyleSheetLinkingElement_h__
#define nsIStyleSheetLinkingElement_h__
#include "nsISupports.h"
class nsIParser;
class nsIDocument;
class nsICSSLoaderObserver;
#define NS_ISTYLESHEETLINKINGELEMENT_IID \
{0xa6cf90e9, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
class nsIStyleSheet;
class nsIStyleSheetLinkingElement : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISTYLESHEETLINKINGELEMENT_IID)
/**
* Used to make the association between a style sheet and
* the element that linked it to the document.
*
* @param aStyleSheet the style sheet associated with this
* element.
*/
NS_IMETHOD SetStyleSheet(nsIStyleSheet* aStyleSheet) = 0;
/**
* Used to obtain the style sheet linked in by this element.
*
* @param aStyleSheet out parameter that returns the style
* sheet associated with this element.
*/
NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aStyleSheet) = 0;
/**
* Initialize the stylesheet linking element. This method passes
* in a parser that the element blocks if the stylesheet is
* a stylesheet that should be loaded with the parser blocked.
* If aDontLoadStyle is true the element will ignore the first
* modification to the element that would cause a stylesheet to
* be loaded. Subsequent modifications to the element will not
* be ignored.
*/
NS_IMETHOD InitStyleLinkElement(nsIParser *aParser, PRBool aDontLoadStyle) = 0;
/**
* Tells this element to update the stylesheet.
*
* @param aOldDocument the document that this element was part
* of (nsnull if we're not moving the element
* from one document to another).
* @param aObserver observer to notify once the stylesheet is loaded.
* It might be notified before the function returns.
*/
NS_IMETHOD UpdateStyleSheet(nsIDocument *aOldDocument,
nsICSSLoaderObserver* aObserver) = 0;
/**
* Tells this element wether to update the stylesheet when the
* element's properties change.
*
* @param aEnableUpdates update on changes or not.
*/
NS_IMETHOD SetEnableUpdates(PRBool aEnableUpdates) = 0;
/**
* Gets the charset that the element claims the style sheet is in
*
* @param aCharset the charset
*/
NS_IMETHOD GetCharset(nsAString& aCharset) = 0;
};
#endif // nsILinkingElement_h__