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152 lines
4.3 KiB
C++
152 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla XForms support.
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*
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* The Initial Developer of the Original Code is
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* Olli Pettay.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsXFormsStubElement.h"
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#include "nsXFormsAtoms.h"
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#include "nsXFormsUtils.h"
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#include "nsIXFormsCaseElement.h"
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#include "nsIXFormsCaseUIElement.h"
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#include "nsIXFormsSwitchElement.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMElement.h"
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#include "nsString.h"
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#include "nsIXTFBindableElementWrapper.h"
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/**
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* Implementation of the XForms case element.
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*/
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class nsXFormsCaseElement : public nsXFormsBindableStub,
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public nsIXFormsCaseElement
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIXFORMSCASEELEMENT
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NS_IMETHOD OnCreated(nsIXTFBindableElementWrapper *aWrapper);
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NS_IMETHOD OnDestroyed();
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nsXFormsCaseElement()
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: mElement(nsnull), mSelected(PR_FALSE), mCachedSelectedAttr(PR_FALSE)
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{
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}
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protected:
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nsIDOMElement* mElement;
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PRPackedBool mSelected;
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PRPackedBool mCachedSelectedAttr;
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};
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NS_IMPL_ISUPPORTS_INHERITED1(nsXFormsCaseElement,
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nsXFormsBindableStub,
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nsIXFormsCaseElement)
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NS_IMETHODIMP
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nsXFormsCaseElement::OnCreated(nsIXTFBindableElementWrapper *aWrapper)
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{
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nsresult rv = nsXFormsBindableStub::OnCreated(aWrapper);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIDOMElement> node;
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aWrapper->GetElementNode(getter_AddRefs(node));
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// It's ok to keep a pointer to mElement. mElement will have an
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// owning reference to this object, so as long as we null out mElement in
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// OnDestroyed, it will always be valid.
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mElement = node;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsCaseElement::OnDestroyed()
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{
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mElement = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsCaseElement::GetInitialSelectedState(PRBool *aInitialSelectedState)
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{
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*aInitialSelectedState = mCachedSelectedAttr;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsCaseElement::SetSelected(PRBool aEnable)
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{
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mSelected = aEnable;
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nsCOMPtr<nsIXFormsCaseUIElement> caseUI(do_QueryInterface(mElement));
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if (caseUI) {
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caseUI->CaseSelected(mSelected);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsCaseElement::WidgetAttached()
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{
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// cache the value of the "selected" attr
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nsAutoString value;
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mElement->GetAttribute(NS_LITERAL_STRING("selected"), value);
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if (value.EqualsLiteral("true") || value.EqualsLiteral("1")) {
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mCachedSelectedAttr = PR_TRUE;
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}
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nsCOMPtr<nsIXFormsCaseUIElement> caseUI(do_QueryInterface(mElement));
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if (caseUI) {
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caseUI->CaseSelected(mSelected);
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}
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return NS_OK;
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}
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NS_HIDDEN_(nsresult)
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NS_NewXFormsCaseElement(nsIXTFElement **aResult)
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{
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*aResult = new nsXFormsCaseElement();
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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