gecko-dev/extensions/xforms/nsXFormsRangeAccessors.cpp

109 lines
3.5 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 XForms support.
*
* The Initial Developer of the Original Code is
* Novell, Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Allan Beaufour <abeaufour@novell.com>
*
* 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 ***** */
#include "nsXFormsRangeAccessors.h"
#include "nsDOMString.h"
#include "nsIDOMElement.h"
#include "nsString.h"
#include "nsXFormsUtils.h"
NS_IMPL_ISUPPORTS_INHERITED2(nsXFormsRangeAccessors,
nsXFormsAccessors,
nsIXFormsRangeAccessors,
nsIClassInfo)
// nsXFormsRangeAccessors
nsresult
nsXFormsRangeAccessors::AttributeGetter(const nsAString &aAttr, nsAString &aVal)
{
nsAutoString val;
if (mElement) {
mElement->GetAttribute(aAttr, val);
}
if (val.IsEmpty()) {
SetDOMStringToNull(aVal);
} else {
aVal = val;
}
return NS_OK;
}
// nsIXFormsRangeElement
// XXX this should do a max(type.minumum, @start)
NS_IMETHODIMP
nsXFormsRangeAccessors::GetRangeStart(nsAString &aMin)
{
return AttributeGetter(NS_LITERAL_STRING("start"), aMin);
}
// XXX this should do min(type.maximu, @end)
NS_IMETHODIMP
nsXFormsRangeAccessors::GetRangeEnd(nsAString &aMax)
{
return AttributeGetter(NS_LITERAL_STRING("end"), aMax);
}
// XXX if step is not set, it should be set to something "smart" and also
// needs to be something that is valid for the given type. This could be
// pushed to the widget though.
NS_IMETHODIMP
nsXFormsRangeAccessors::GetRangeStep(nsAString &aStep)
{
return AttributeGetter(NS_LITERAL_STRING("step"), aStep);
}
// nsIClassInfo implementation
static const nsIID sScriptingIIDs[] = {
NS_IXFORMSACCESSORS_IID,
NS_IXFORMSRANGEACCESSORS_IID,
};
NS_IMETHODIMP
nsXFormsRangeAccessors::GetInterfaces(PRUint32 *aCount, nsIID * **aArray)
{
return nsXFormsUtils::CloneScriptingInterfaces(sScriptingIIDs,
NS_ARRAY_LENGTH(sScriptingIIDs),
aCount, aArray);
}