gecko-dev/extensions/xforms/nsXFormsRangeConditionAccessors.cpp

117 lines
4.0 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
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Aaron Reed <aaronr@us.ibm.com>
*
* 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 ***** */
#include "nsXFormsRangeConditionAccessors.h"
#include "nsIContent.h"
#include "nsIDOMElement.h"
#include "nsIXTFElementWrapper.h"
#include "nsIXFormsControl.h"
#include "nsIEventStateManager.h"
#include "nsXFormsUtils.h"
NS_IMPL_ISUPPORTS_INHERITED2(nsXFormsRangeConditionAccessors,
nsXFormsAccessors,
nsIXFormsRangeConditionAccessors,
nsIClassInfo)
// nsXFormsRangeConditionAccessors
NS_IMETHODIMP
nsXFormsRangeConditionAccessors::IsInRange(PRBool *aInRange)
{
return GetState(NS_EVENT_STATE_INRANGE, aInRange);
}
NS_IMETHODIMP
nsXFormsRangeConditionAccessors::SetInRange(PRBool aInRange)
{
PRBool currRange;
nsresult rv = IsInRange(&currRange);
NS_ENSURE_SUCCESS(rv, rv);
if (currRange == aInRange) {
return NS_OK;
}
/* when this call changes the control's previous in or out of range state,
* then we need to set the state to the new value and dispatch
* xforms-in-range or xforms-out-of-range
*/
nsCOMPtr<nsIXFormsControl> control(do_QueryInterface(mDelegate));
NS_ENSURE_STATE(control);
nsCOMPtr<nsIDOMElement> element;
control->GetElement(getter_AddRefs(element));
nsCOMPtr<nsIXTFElementWrapper> xtfWrap(do_QueryInterface(element));
NS_ENSURE_STATE(xtfWrap);
nsCOMPtr<nsIContent> content(do_QueryInterface(element));
NS_ENSURE_STATE(content);
PRInt32 state = content->IntrinsicState();
if (!aInRange) {
state &= ~NS_EVENT_STATE_INRANGE;
state |= NS_EVENT_STATE_OUTOFRANGE;
} else {
state &= ~NS_EVENT_STATE_OUTOFRANGE;
state |= NS_EVENT_STATE_INRANGE;
}
rv = xtfWrap->SetIntrinsicState(state);
NS_ENSURE_SUCCESS(rv, rv);
nsXFormsUtils::DispatchEvent(element,
aInRange ? eEvent_InRange : eEvent_OutOfRange);
return NS_OK;
}
// nsIClassInfo implementation
static const nsIID sScriptingIIDs[] = {
NS_IXFORMSACCESSORS_IID,
NS_IXFORMSRANGECONDITIONACCESSORS_IID
};
NS_IMETHODIMP
nsXFormsRangeConditionAccessors::GetInterfaces(PRUint32 *aCount,
nsIID * **aArray)
{
return nsXFormsUtils::CloneScriptingInterfaces(sScriptingIIDs,
NS_ARRAY_LENGTH(sScriptingIIDs),
aCount, aArray);
}