gecko-dev/modules/libpref/nsIRelativeFilePref.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2012-05-21 11:12:37 +00:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIFile;
/**
* The nsIRelativeFilePref interface is a wrapper for an nsIFile and
* and a directory service key. When used as a pref value, it stores a
* relative path to the file from the location pointed to by the directory
* service key. The path has the same syntax across all platforms.
*
* @see nsIPrefBranch::getComplexValue
* @see nsIPrefBranch::setComplexValue
*
*/
[scriptable, uuid(2f977d4e-5485-11d4-87e2-0010a4e75ef2)]
interface nsIRelativeFilePref : nsISupports
{
/**
* file
*
* The file whose location is stored or retrieved.
*/
attribute nsIFile file;
/**
* relativeToKey
*
* A directory service key for the directory
* from which the file path is relative.
*/
attribute ACString relativeToKey;
};
%{C++
#define NS_RELATIVEFILEPREF_CID \
{ /* {2f977d4f-5485-11d4-87e2-0010a4e75ef2} */ \
0x2f977d4f, \
0x5485, \
0x11d4, \
{ 0x87, 0xe2, 0x00, 0x10, 0xa4, 0xe7, 0x5e, 0xf2 } \
}
#define NS_RELATIVEFILEPREF_CONTRACTID "@mozilla.org/pref-relativefile;1"
#include "nsComponentManagerUtils.h"
inline nsresult
NS_NewRelativeFilePref(nsIFile* aFile, const nsACString& relativeToKey, nsIRelativeFilePref** result)
{
nsresult rv;
nsCOMPtr<nsIRelativeFilePref> local(do_CreateInstance(NS_RELATIVEFILEPREF_CONTRACTID, &rv));
if (NS_FAILED(rv)) return rv;
(void)local->SetFile(aFile);
(void)local->SetRelativeToKey(relativeToKey);
*result = local;
NS_ADDREF(*result);
return NS_OK;
}
%}