gecko-dev/layout/style/nsIMediaList.h

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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.org code.
*
* The Initial Developer of the Original Code is
* Boris Zbarsky <bzbarsky@mit.edu>.
* Portions created by the Initial Developer are Copyright (C) 2001
* 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 ***** */
/*
* representation of media lists used when linking to style sheets or by
* @media rules
*/
#ifndef nsIMediaList_h_
#define nsIMediaList_h_
#include "nsIDOMMediaList.h"
#include "nsAString.h"
#include "nsCOMArray.h"
#include "nsIAtom.h"
class nsPresContext;
class nsICSSStyleSheet;
class nsCSSStyleSheet;
class nsMediaList : public nsIDOMMediaList {
public:
nsMediaList();
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMMEDIALIST
nsresult GetText(nsAString& aMediaText);
nsresult SetText(const nsAString& aMediaText);
PRBool Matches(nsPresContext* aPresContext);
nsresult SetStyleSheet(nsICSSStyleSheet* aSheet);
nsresult AppendAtom(nsIAtom* aMediumAtom) {
return mArray.AppendObject(aMediumAtom) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
nsresult Clone(nsMediaList** aResult);
PRInt32 Count() { return mArray.Count(); }
nsIAtom* MediumAt(PRInt32 aIndex) { return mArray[aIndex]; }
void Clear() { mArray.Clear(); }
protected:
~nsMediaList();
nsresult Delete(const nsAString & aOldMedium);
nsresult Append(const nsAString & aOldMedium);
nsCOMArray<nsIAtom> mArray;
// not refcounted; sheet will let us know when it goes away
// mStyleSheet is the sheet that needs to be dirtied when this medialist
// changes
nsCSSStyleSheet* mStyleSheet;
};
#endif /* !defined(nsIMediaList_h_) */