RetroZilla/content/base/public/nsIStyleSheetLinkingElement.h
2015-10-20 23:03:22 -04:00

119 lines
4.4 KiB
C++

/* -*- 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
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*
* ***** END LICENSE BLOCK ***** */
#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;
// This doesn't entirely belong here since they only make sense for
// some types of linking elements, but it's a better place than
// anywhere else.
virtual void SetLineNumber(PRUint32 aLineNumber) = 0;
};
#endif // nsILinkingElement_h__