gecko-dev/extensions/xforms/nsXFormsSelect1Element.cpp

151 lines
4.4 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
* Olli Pettay.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
*
* 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 ***** */
/**
* Implementation of the XForms \<select1\> element.
*/
#include "nsXFormsUtils.h"
#include "nsXFormsControlStub.h"
#include "nsXFormsDelegateStub.h"
#include "nsXFormsAtoms.h"
#include "nsCOMPtr.h"
#include "nsIDOMElement.h"
#include "nsIDOMXPathResult.h"
#include "nsIDOM3Node.h"
#include "nsIDOMDocument.h"
#include "nsIDOMText.h"
#include "nsIXTFXMLVisualWrapper.h"
#include "nsString.h"
#include "nsIXFormsUIWidget.h"
#include "nsIDocument.h"
#include "nsNetUtil.h"
#include "nsXFormsModelElement.h"
class nsXFormsSelect1Element : public nsXFormsDelegateStub
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD OnCreated(nsIXTFBindableElementWrapper *aWrapper);
// nsIXTFElement overrides
NS_IMETHOD ChildInserted(nsIDOMNode *aChild, PRUint32 aIndex);
NS_IMETHOD ChildAppended(nsIDOMNode *aChild);
NS_IMETHOD ChildRemoved(PRUint32 aIndex);
NS_IMETHOD BeginAddingChildren();
NS_IMETHOD DoneAddingChildren();
nsXFormsSelect1Element(const nsAString& aType)
: nsXFormsDelegateStub(aType)
{}
protected:
PRBool mAddingChildren;
};
NS_IMPL_ISUPPORTS_INHERITED0(nsXFormsSelect1Element,
nsXFormsDelegateStub)
NS_IMETHODIMP
nsXFormsSelect1Element::OnCreated(nsIXTFBindableElementWrapper *aWrapper)
{
mAddingChildren = PR_FALSE;
nsresult rv = nsXFormsDelegateStub::OnCreated(aWrapper);
NS_ENSURE_SUCCESS(rv, rv);
aWrapper->SetNotificationMask(kStandardNotificationMask |
nsIXTFElement::NOTIFY_CHILD_INSERTED |
nsIXTFElement::NOTIFY_CHILD_APPENDED |
nsIXTFElement::NOTIFY_CHILD_REMOVED |
nsIXTFElement::NOTIFY_BEGIN_ADDING_CHILDREN |
nsIXTFElement::NOTIFY_DONE_ADDING_CHILDREN);
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSelect1Element::BeginAddingChildren()
{
mAddingChildren = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSelect1Element::DoneAddingChildren()
{
mAddingChildren = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSelect1Element::ChildInserted(nsIDOMNode *aChild, PRUint32 aIndex)
{
if (!mAddingChildren) {
Refresh();
}
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSelect1Element::ChildAppended(nsIDOMNode *aChild)
{
if (!mAddingChildren) {
Refresh();
}
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSelect1Element::ChildRemoved(PRUint32 aIndex)
{
if (!mAddingChildren) {
Refresh();
}
return NS_OK;
}
NS_HIDDEN_(nsresult)
NS_NewXFormsSelect1Element(nsIXTFElement **aResult)
{
*aResult = new nsXFormsSelect1Element(NS_LITERAL_STRING("select1"));
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}