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lightning-sunbird  0.9+nobinonly
nsDOMBeforeUnloadEvent.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
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00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * The Mozilla Foundation.
00019  * Portions created by the Initial Developer are Copyright (C) 2005
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Johnny Stenback <jst@mozilla.org> (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
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00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsDOMBeforeUnloadEvent.h"
00040 #include "nsContentUtils.h"
00041 
00042 nsDOMBeforeUnloadEvent::nsDOMBeforeUnloadEvent(nsPresContext* aPresContext,
00043                                                nsBeforePageUnloadEvent* aEvent)
00044   : nsDOMEvent(aPresContext, aEvent ? aEvent :
00045                new nsBeforePageUnloadEvent(PR_FALSE,
00046                                            NS_BEFORE_PAGE_UNLOAD_EVENT))
00047 {
00048   NS_ASSERTION(mEvent->eventStructType == NS_BEFORE_PAGE_UNLOAD_EVENT,
00049                "event type mismatch");
00050 
00051   if (aEvent) {
00052     mEventIsInternal = PR_FALSE;
00053   }
00054   else {
00055     mEventIsInternal = PR_TRUE;
00056     mEvent->time = PR_Now();
00057   }
00058 }
00059 
00060 nsDOMBeforeUnloadEvent::~nsDOMBeforeUnloadEvent() 
00061 {
00062 }
00063 
00064 NS_IMPL_ADDREF_INHERITED(nsDOMBeforeUnloadEvent, nsDOMEvent)
00065 NS_IMPL_RELEASE_INHERITED(nsDOMBeforeUnloadEvent, nsDOMEvent)
00066 
00067 NS_INTERFACE_MAP_BEGIN(nsDOMBeforeUnloadEvent)
00068   NS_INTERFACE_MAP_ENTRY(nsIDOMBeforeUnloadEvent)
00069   NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(BeforeUnloadEvent)
00070 NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
00071 
00072 NS_IMETHODIMP
00073 nsDOMBeforeUnloadEvent::SetReturnValue(const nsAString& aReturnValue)
00074 {
00075   ((nsBeforePageUnloadEvent *)mEvent)->text = aReturnValue;
00076 
00077   return NS_OK;  // Don't throw an exception
00078 }
00079 
00080 NS_IMETHODIMP
00081 nsDOMBeforeUnloadEvent::GetReturnValue(nsAString& aReturnValue)
00082 {
00083   aReturnValue = ((nsBeforePageUnloadEvent *)mEvent)->text;
00084 
00085   return NS_OK;  // Don't throw an exception
00086 }
00087 
00088 nsresult NS_NewDOMBeforeUnloadEvent(nsIDOMEvent** aInstancePtrResult,
00089                                     nsPresContext* aPresContext,
00090                                     nsBeforePageUnloadEvent *aEvent) 
00091 {
00092   nsDOMBeforeUnloadEvent* it =
00093     new nsDOMBeforeUnloadEvent(aPresContext, aEvent);
00094   if (!it) {
00095     return NS_ERROR_OUT_OF_MEMORY;
00096   }
00097 
00098   return CallQueryInterface(it, aInstancePtrResult);
00099 }