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lightning-sunbird  0.9+nobinonly
nsLoadListenerProxy.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00004  *
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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
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00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "nsLoadListenerProxy.h"
00039 #include "nsIDOMEvent.h"
00040 
00041 nsLoadListenerProxy::nsLoadListenerProxy(nsWeakPtr aParent) : mParent(aParent)
00042 {
00043 }
00044 
00045 nsLoadListenerProxy::~nsLoadListenerProxy()
00046 {
00047 }
00048 
00049 NS_IMPL_ISUPPORTS2(nsLoadListenerProxy, nsIDOMEventListener,
00050                    nsIDOMLoadListener)
00051 
00052 NS_IMETHODIMP
00053 nsLoadListenerProxy::HandleEvent(nsIDOMEvent* aEvent)
00054 {
00055   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00056 
00057   if (listener) {
00058     return listener->HandleEvent(aEvent);
00059   }
00060   
00061   return NS_OK;
00062 }
00063 
00064 NS_IMETHODIMP
00065 nsLoadListenerProxy::Load(nsIDOMEvent* aEvent)
00066 {
00067   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00068 
00069   if (listener) {
00070     return listener->Load(aEvent);
00071   }
00072 
00073   return NS_OK;
00074 }
00075 
00076 NS_IMETHODIMP
00077 nsLoadListenerProxy::BeforeUnload(nsIDOMEvent* aEvent)
00078 {
00079   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00080 
00081   if (listener) {
00082     return listener->BeforeUnload(aEvent);
00083   }
00084   
00085   return NS_OK;
00086 }
00087 
00088 NS_IMETHODIMP
00089 nsLoadListenerProxy::Unload(nsIDOMEvent* aEvent)
00090 {
00091   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00092 
00093   if (listener) {
00094     return listener->Unload(aEvent);
00095   }
00096   
00097   return NS_OK;
00098 }
00099 
00100 NS_IMETHODIMP
00101 nsLoadListenerProxy::Abort(nsIDOMEvent* aEvent)
00102 {
00103   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00104 
00105   if (listener) {
00106     return listener->Abort(aEvent);
00107   }
00108   
00109   return NS_OK;
00110 }
00111 
00112 NS_IMETHODIMP
00113 nsLoadListenerProxy::Error(nsIDOMEvent* aEvent)
00114 {
00115   nsCOMPtr<nsIDOMLoadListener> listener(do_QueryReferent(mParent));
00116 
00117   if (listener) {
00118     return listener->Error(aEvent);
00119   }
00120   
00121   return NS_OK;
00122 }