RetroZilla/extensions/xforms/nsXFormsRangeElement.cpp

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2015-10-21 05:03:22 +02:00
/* -*- 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 <allan@beaufour.dk>
*
* 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 "nsXFormsDelegateStub.h"
#include "nsXFormsRangeAccessors.h"
#include "nsIEventStateManager.h"
#include "nsISchema.h"
#include "nsIStringBundle.h"
#include "nsServiceManagerUtils.h"
/**
* Implementation of the XForms \<range\> element
* @see http://www.w3.org/TR/xforms/slice8.html#ui-range
*
* @todo Check data binding restrictions (XXX)
*/
class nsXFormsRangeElement : public nsXFormsDelegateStub
{
public:
// nsIXFormsControl
NS_IMETHOD GetDefaultIntrinsicState(PRInt32 *aState);
NS_IMETHOD GetDisabledIntrinsicState(PRInt32 *aState);
// nsIXFormsDelegate overrides
NS_IMETHOD GetXFormsAccessors(nsIXFormsAccessors **aAccessor);
// nsXFormsDelegateStub override
NS_IMETHOD IsTypeAllowed(PRUint16 aType, PRBool *aIsAllowed,
nsRestrictionFlag *aRestriction,
nsAString &aAllowedTypes);
#ifdef DEBUG_smaug
virtual const char* Name() { return "range"; }
#endif
};
// nsIXFormsControl
NS_IMETHODIMP
nsXFormsRangeElement::IsTypeAllowed(PRUint16 aType, PRBool *aIsAllowed,
nsRestrictionFlag *aRestriction,
nsAString &aAllowedTypes)
{
NS_ENSURE_ARG_POINTER(aRestriction);
NS_ENSURE_ARG_POINTER(aIsAllowed);
*aRestriction = eTypes_Inclusive;
*aIsAllowed = PR_FALSE;
// Range needs to have the type duration, date, time, dateTime, gYearMonth,
// gYear, gMonthDay, gDay, gMonth, float, decimal or double. Or an
// extension or derivation of one of these types. If not, then put an error
// in the console. CSS and XBL will make sure that the control won't appear
// in the form.
if (aType == nsISchemaBuiltinType::BUILTIN_TYPE_DURATION ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_DATE ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_TIME ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_DATETIME ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_GYEARMONTH ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_GYEAR ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_GMONTHDAY ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_GDAY ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_GMONTH ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_FLOAT ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_DECIMAL ||
aType == nsISchemaBuiltinType::BUILTIN_TYPE_DOUBLE) {
*aIsAllowed = PR_TRUE;
return NS_OK;
}
// build the string of types that range can bind to
aAllowedTypes.AssignLiteral("xsd:duration xsd:date xsd:time xsd:dateTime xsd:gYearMonth xsd:gYear xsd:gMonthDay xsd:gDay xsd:gMonth xsd:float xsd:decimal xsd:double");
return NS_OK;
}
NS_IMETHODIMP
nsXFormsRangeElement::GetDefaultIntrinsicState(PRInt32 *aState)
{
NS_ENSURE_ARG_POINTER(aState);
nsXFormsDelegateStub::GetDefaultIntrinsicState(aState);
*aState |= NS_EVENT_STATE_INRANGE;
return NS_OK;
}
NS_IMETHODIMP
nsXFormsRangeElement::GetDisabledIntrinsicState(PRInt32 *aState)
{
NS_ENSURE_ARG_POINTER(aState);
nsXFormsDelegateStub::GetDisabledIntrinsicState(aState);
*aState |= NS_EVENT_STATE_INRANGE;
return NS_OK;
}
// nsIXFormsDelegate
NS_IMETHODIMP
nsXFormsRangeElement::GetXFormsAccessors(nsIXFormsAccessors **aAccessor)
{
if (!mAccessor) {
mAccessor = new nsXFormsRangeAccessors(this, mElement);
if (!mAccessor) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
NS_ADDREF(*aAccessor = mAccessor);
return NS_OK;
}
// Creator
NS_HIDDEN_(nsresult)
NS_NewXFormsRangeElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsRangeElement();
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}