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/*
* Copyright (C) 2000 Marco Pesenti Gritti
*
* 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.
*/
#include <nsCOMPtr.h>
#include "EphyEventListener.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsString.h"
#include "nsUnicharUtils.h"
#include "nsIDOMDocument.h"
#include "nsIURI.h"
#include "nsIDocument.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMEvent.h"
EphyEventListener::EphyEventListener(void)
{
NS_INIT_ISUPPORTS();
mOwner = nsnull;
}
EphyEventListener::~EphyEventListener()
{
}
NS_IMPL_ISUPPORTS1(EphyEventListener, nsIDOMEventListener)
nsresult
EphyEventListener::Init(EphyEmbed *aOwner)
{
mOwner = aOwner;
return NS_OK;
}
nsresult
EphyEventListener::HandleFaviconLink (nsIDOMNode *node)
{
nsresult result;
nsCOMPtr<nsIDOMElement> linkElement;
linkElement = do_QueryInterface (node);
if (!linkElement) return NS_ERROR_FAILURE;
NS_NAMED_LITERAL_STRING(attr_rel, "rel");
nsAutoString value;
result = linkElement->GetAttribute (attr_rel, value);
if (NS_FAILED(result)) return NS_ERROR_FAILURE;
if (value.Equals(NS_LITERAL_STRING("SHORTCUT ICON"),
nsCaseInsensitiveStringComparator()) ||
value.Equals(NS_LITERAL_STRING("ICON"),
nsCaseInsensitiveStringComparator()))
{
NS_NAMED_LITERAL_STRING(attr_href, "href");
nsAutoString value;
result = linkElement->GetAttribute (attr_href, value);
if (NS_FAILED (result) || value.IsEmpty())
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMDocument> domDoc;
result = node->GetOwnerDocument(getter_AddRefs(domDoc));
if (NS_FAILED(result) || !domDoc) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocument> doc = do_QueryInterface (domDoc);
if(!doc) return NS_ERROR_FAILURE;
nsCOMPtr<nsIURI> uri;
result = doc->GetDocumentURL(getter_AddRefs(uri));
if (NS_FAILED (result)) return NS_ERROR_FAILURE;
const nsACString &link = NS_ConvertUCS2toUTF8(value);
nsCAutoString favicon_url;
result = uri->Resolve (link, favicon_url);
if (NS_FAILED (result)) return NS_ERROR_FAILURE;
char *url = g_strdup (favicon_url.get());
g_signal_emit_by_name (mOwner, "ge_favicon", url);
g_free (url);
}
return NS_OK;
}
NS_IMETHODIMP
EphyEventListener::HandleEvent(nsIDOMEvent* aDOMEvent)
{
nsCOMPtr<nsIDOMEventTarget> eventTarget;
aDOMEvent->GetTarget(getter_AddRefs(eventTarget));
nsresult result;
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(eventTarget, &result);
if (NS_FAILED(result) || !node) return NS_ERROR_FAILURE;
HandleFaviconLink (node);
return NS_OK;
}
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