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/*
* Copyright © 2004 Christian Persch
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include "mozilla-config.h"
#include "config.h"
#include <nsStringAPI.h>
#include <nsCOMPtr.h>
#include <nsCURILoader.h>
#include <nsIChannel.h>
#include <nsIDocumentLoader.h>
#include <nsIHttpChannel.h>
#include <nsIRequest.h>
#include <nsIRequestObserver.h>
#include <nsISupportsUtils.h>
#include <nsIURI.h>
#include <nsIWebProgress.h>
#include <nsNetCID.h>
#include <nsServiceManagerUtils.h>
#include "EphyUtils.h"
#include "ephy-debug.h"
#include "EphyHistoryListener.h"
EphyHistoryListener::EphyHistoryListener ()
{
LOG ("EphyHistoryListener ctor");
}
EphyHistoryListener::~EphyHistoryListener ()
{
LOG ("EphyHistoryListener dtor");
}
nsresult
EphyHistoryListener::Init (EphyHistory *aHistory)
{
mHistory = aHistory;
nsresult rv;
nsCOMPtr<nsIWebProgress> webProgress
(do_GetService(NS_DOCUMENTLOADER_SERVICE_CONTRACTID, &rv));
NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && webProgress, rv);
rv = webProgress->AddProgressListener
(NS_STATIC_CAST(nsIWebProgressListener*,this),
nsIWebProgress::NOTIFY_STATE_REQUEST);
return rv;
}
NS_IMPL_ISUPPORTS2 (EphyHistoryListener,
nsIWebProgressListener,
nsISupportsWeakReference)
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in nsresult aStatus); */
NS_IMETHODIMP
EphyHistoryListener::OnStateChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRUint32 aStateFlags,
nsresult aStatus)
{
nsresult rv = NS_OK;
/* we only care about redirects */
if (! (aStateFlags & nsIWebProgressListener::STATE_REDIRECTING))
{
return rv;
}
nsCOMPtr<nsIChannel> channel (do_QueryInterface (aRequest));
nsCOMPtr<nsIHttpChannel> httpChannel (do_QueryInterface (channel));
if (!httpChannel) return rv;
PRUint32 status = 0;
rv = httpChannel->GetResponseStatus (&status);
if (rv == NS_ERROR_NOT_AVAILABLE) return NS_OK;
NS_ENSURE_SUCCESS (rv, rv);
/* we're only interested in 301 redirects (moved permanently) */
if (status != 301) return NS_OK;
nsCOMPtr<nsIURI> fromURI;
rv = channel->GetURI (getter_AddRefs (fromURI));
NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && fromURI, rv);
nsCString location;
rv = httpChannel->GetResponseHeader
(nsCString ("Location"), location);
NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && location.Length(), rv);
nsCOMPtr<nsIURI> toURI;
rv = EphyUtils::NewURI (getter_AddRefs (toURI), location,
nsnull /* use origin charset of fromURI */, fromURI);
NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && toURI, rv);
nsCString fromSpec, toSpec;
rv = fromURI->GetSpec (fromSpec);
rv |= toURI->GetSpec(toSpec);
NS_ENSURE_SUCCESS (rv, rv);
g_signal_emit_by_name (mHistory, "redirect",
fromSpec.get(), toSpec.get());
return rv;
}
/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP
EphyHistoryListener::OnProgressChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt32 aCurSelfProgress,
PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress,
PRInt32 aMaxTotalProgress)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP
EphyHistoryListener::OnLocationChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsIURI *location)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
NS_IMETHODIMP
EphyHistoryListener::OnStatusChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsresult aStatus,
const PRUnichar *aMessage)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
NS_IMETHODIMP
EphyHistoryListener::OnSecurityChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRUint32 state)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
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