/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright © 2001, 2004 Philip Langdale
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include <xpcom-config.h>
#include "config.h"
#include <nsStringGlue.h>
#include <nsIURI.h>
#include "ephy-embed-shell.h"
#include "GlobalHistory.h"
#define MAX_TITLE_LENGTH 2048
#define MAX_URL_LENGTH 16384
#ifdef HAVE_NSIGLOBALHISTORY3_H
NS_IMPL_ISUPPORTS2 (MozGlobalHistory, nsIGlobalHistory2, nsIGlobalHistory3)
#else
NS_IMPL_ISUPPORTS1 (MozGlobalHistory, nsIGlobalHistory2)
#endif /* HAVE_NSIGLOBALHISTORY3_H */
MozGlobalHistory::MozGlobalHistory ()
{
mGlobalHistory = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));
mHistoryListener = new EphyHistoryListener ();
mHistoryListener->Init (mGlobalHistory);
}
MozGlobalHistory::~MozGlobalHistory ()
{
}
/* void addURI (in nsIURI aURI, in boolean aRedirect, in boolean aToplevel, in nsIURI aReferrer); */
NS_IMETHODIMP MozGlobalHistory::AddURI(nsIURI *aURI,
PRBool aRedirect,
PRBool aToplevel,
nsIURI *aReferrer)
{
nsresult rv;
NS_ENSURE_ARG (aURI);
// filter out unwanted URIs such as chrome: etc
// The model is really if we don't know differently then add which basically
// means we are suppose to try all the things we know not to allow in and
// then if we don't bail go on and allow it in. But here lets compare
// against the most common case we know to allow in and go on and say yes
// to it.
PRBool isHTTP = PR_FALSE, isHTTPS = PR_FALSE;
rv = aURI->SchemeIs("http", &isHTTP);
rv |= aURI->SchemeIs("https", &isHTTPS);
NS_ENSURE_SUCCESS (rv, NS_ERROR_FAILURE);
if (!isHTTP && !isHTTPS)
{
static const char *schemes[] = { "javascript",
"data",
"about",
"chrome",
"resource",
"view-source" };
for (PRUint32 i = 0; i < G_N_ELEMENTS (schemes); ++i)
{
PRBool result = PR_FALSE;
if (NS_SUCCEEDED (aURI->SchemeIs (schemes[i], &result)) && result)
{
return NS_OK;
}
}
}
nsCString spec;
rv = aURI->GetSpec(spec);
NS_ENSURE_TRUE (NS_SUCCEEDED(rv) && spec.Length(), rv);
if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
ephy_history_add_page (mGlobalHistory, spec.get(), aRedirect, aToplevel);
return NS_OK;
}
/* boolean isVisited (in nsIURI aURI); */
NS_IMETHODIMP MozGlobalHistory::IsVisited(nsIURI *aURI,
PRBool *_retval)
{
NS_ENSURE_ARG (aURI);
*_retval = PR_FALSE;
nsCString spec;
aURI->GetSpec(spec);
if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
*_retval = ephy_history_is_page_visited (mGlobalHistory, spec.get());
return NS_OK;
}
/* void setPageTitle (in nsIURI aURI, in AString aTitle); */
NS_IMETHODIMP MozGlobalHistory::SetPageTitle(nsIURI *aURI,
const nsAString & aTitle)
{
NS_ENSURE_ARG (aURI);
nsCString spec;
aURI->GetSpec(spec);
if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
nsString uTitle (aTitle);
/* This depends on the assumption that
* typeof(PRUnichar) == typeof (gunichar2) == uint16,
* which should be pretty safe.
*/
glong n_read = 0, n_written = 0;
char *converted = g_utf16_to_utf8 ((gunichar2*) uTitle.get(), MAX_TITLE_LENGTH,
&n_read, &n_written, NULL);
/* FIXME loop from the end while !g_unichar_isspace (char)? */
if (converted == NULL) return NS_OK;
ephy_history_set_page_title (mGlobalHistory, spec.get(), converted);
g_free (converted);
return NS_OK;
}
#ifdef HAVE_NSIGLOBALHISTORY3_H
/* unsigned long getURIGeckoFlags(in nsIURI aURI); */
NS_IMETHODIMP
MozGlobalHistory::GetURIGeckoFlags(nsIURI *aURI,
PRUint32* aFlags)
{
*aFlags = 0;
nsCString spec;
aURI->GetSpec(spec);
if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
EphyNode *page = ephy_history_get_page (mGlobalHistory, spec.get());
GValue value = { 0, };
if (page != NULL &&
ephy_node_get_property (page, EPHY_NODE_PAGE_PROP_GECKO_FLAGS, &value))
{
*aFlags = (PRUint32) (gulong) g_value_get_long (&value);
g_value_unset (&value);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
/* void setURIGeckoFlags(in nsIURI aURI, in unsigned long aFlags); */
NS_IMETHODIMP
MozGlobalHistory::SetURIGeckoFlags(nsIURI *aURI,
PRUint32 aFlags)
{
nsCString spec;
aURI->GetSpec(spec);
if (spec.Length () > MAX_URL_LENGTH) return NS_OK;
EphyNode *page = ephy_history_get_page (mGlobalHistory, spec.get());
if (page != NULL)
{
ephy_node_set_property_long (page,
EPHY_NODE_PAGE_PROP_GECKO_FLAGS,
aFlags);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
/* void addDocumentRedirect (in nsIChannel
aOldChannel,
in nsIChannel aNewChannel,
in PRInt32 aFlags,
in boolean aTopLevel); */
NS_IMETHODIMP
MozGlobalHistory::AddDocumentRedirect(nsIChannel *aOldChannel,
nsIChannel *aNewChannel,
PRInt32 aFlags,
PRBool aTopLevel)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif /* HAVE_NSIGLOBALHISTORY3_H */
