gecko-dev/layout/style/nsDOMCSSValueList.h
2011-10-28 08:35:45 +01:00

104 lines
3.4 KiB
C++

/* ***** 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) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Christopher A. Aillon <christopher@aillon.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* 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"),
* 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 ***** */
/* DOM object representing lists of values in DOM computed style */
#ifndef nsDOMCSSValueList_h___
#define nsDOMCSSValueList_h___
#include "nsIDOMCSSValue.h"
#include "nsIDOMCSSValueList.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
class nsDOMCSSValueList : public nsIDOMCSSValueList
{
public:
NS_DECL_ISUPPORTS
// nsIDOMCSSValueList
NS_DECL_NSIDOMCSSVALUELIST
// nsIDOMCSSValue
NS_DECL_NSIDOMCSSVALUE
// nsDOMCSSValueList
nsDOMCSSValueList(bool aCommaDelimited, bool aReadonly);
virtual ~nsDOMCSSValueList();
/**
* Adds a value to this list.
*/
void AppendCSSValue(nsIDOMCSSValue* aValue);
nsIDOMCSSValue* GetItemAt(PRUint32 aIndex)
{
return mCSSValues.SafeElementAt(aIndex, nsnull);
}
static nsDOMCSSValueList* FromSupports(nsISupports* aSupports)
{
#ifdef DEBUG
{
nsCOMPtr<nsIDOMCSSValueList> list_qi = do_QueryInterface(aSupports);
// If this assertion fires the QI implementation for the object in
// question doesn't use the nsIDOMCSSValueList pointer as the nsISupports
// pointer. That must be fixed, or we'll crash...
NS_ASSERTION(list_qi == static_cast<nsIDOMCSSValueList*>(aSupports),
"Uh, fix QI!");
}
#endif
return static_cast<nsDOMCSSValueList*>(aSupports);
}
private:
bool mCommaDelimited; // some value lists use a comma
// as the delimiter, some just use
// spaces.
bool mReadonly; // Are we read-only?
InfallibleTArray<nsCOMPtr<nsIDOMCSSValue> > mCSSValues;
};
#endif /* nsDOMCSSValueList_h___ */