Re: [evolution-patches] patch for camel groupwise provider and config listener



Hi NotZed,
 I have incorporated changes for all (except one) of the comments you
made on previous patch and attached the latest patch. I have not yet
changed anything for "not hardcoding IMAP conf entires". Since we will
be changing the groupwise account configuration gui for next release
release , will not this be ok ? ( i am assuming IMAP configuration
entries are not going change for this release).

Can you please verify whether this is ok or not?
Thanks,
Siva

On Fri, 2004-01-09 at 09:22 +1030, Not Zed wrote:
> > 
> > From: 	Siva <snallagatla novell com>
> > To: 	evolution-patches ximian com
> > Subject: 	[evolution-patches] patch for camel groupwise provider and
> config listener
> > Date: 	 Thu, 08 Jan 2004 19:07:07 +0530  (Fri, 00:07 CST)
> > 
> > Hi,
> > I am attaching a patch which has a camel provider for groupwise.
> > groupwise camel provider juset uses IMAP for it provider store and
> SMTP
> > for its transport. 
> 
> So as discussed earlier, this is totally the wrong place to put this
> code.
> 
> A camel provider is the lowest-level camel remote object, it shouldn't
> be managing other stuff.  If you want meta-accounts, it should be
> managed elsewhere, although I don't know where it would fit, it
> doesn't even fit in the mailer as such.  e.g. its no different from
> having a ldap configuration controlling mail + calendar for you.
> 
> Anyway i'll comment on the patch itself, since it has bugs anyway.
> 
> > groupwise_config_listner is class implemented for adding e-sources for
> > calender and tasks whenever a groupwise acount is created from mail
> > account setup gui. It also deletes or modifies e-sources when 
> > a groupwise account is deleted or modified. 
> > 
> > Thanks, 
> > Sivaiah
> > 
> > 			source code patch attachment (groupwise_provider_patch.diff)
> > 
> > Index: ChangeLog
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/ChangeLog,v
> > retrieving revision 1.1282
> > diff -u -r1.1282 ChangeLog
> > --- ChangeLog   8 Jan 2004 07:51:14 -0000       1.1282
> > +++ ChangeLog   8 Jan 2004 12:43:40 -0000
> > @@ -1,3 +1,7 @@
> > +2004-01-08 Sivaiah Nallagatla <snallagatla novell com>
> > +       
> > +       * configure.in : add camel/providers/groupwise/Makefile to
> AC_OUTPUT section    
> > +
> >  2004-01-08  Robert Sedak  <robert sedak sk htnet hr>
> >  
> >          * configure.in: Added "hr" (Croatian) to ALL_LINGUAS.
> > Index: configure.in
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/configure.in,v
> > retrieving revision 1.642
> > diff -u -r1.642 configure.in
> > --- configure.in        8 Jan 2004 07:51:14 -0000       1.642
> > +++ configure.in        8 Jan 2004 12:44:10 -0000
> > @@ -1276,6 +1276,7 @@
> >  camel/providers/Makefile
> >  camel/providers/imap/Makefile
> >  camel/providers/imapp/Makefile
> > +camel/providers/groupwise/Makefile
> >  camel/providers/local/Makefile
> >  camel/providers/nntp/Makefile
> >  camel/providers/pop3/Makefile
> > Index: ChangeLog
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/camel/ChangeLog,v
> > retrieving revision 1.1949
> > diff -u -r1.1949 ChangeLog
> > --- ChangeLog   5 Jan 2004 20:55:27 -0000       1.1949
> > +++ ChangeLog   8 Jan 2004 12:44:36 -0000
> > @@ -1,3 +1,11 @@
> > +2004-01-08 Sivaiah Nallagatla <snallagatla novell com>
> > +
> > +       * providers/Makefile.am : add groupwise to SUBDIRS 
> > +       * providers/groupwise/camel-groupwise-provider.c: new camel
> provider for groupwise 
> > +       * providers/groupwise/groupwise-config-listener.[ch] : new
> class to add e-sources for groupwise calender and tasks 
> > +       * providers/groupwise/Makefile.am 
> > +       * providers/groupwise/libcamelgroupwise.urls 
> > +
> >  2004-01-05  JP Rosevear <jpr ximian com>
> >  
> >         * camel-utf8.c: include sys/types.h for freebsd
> > Index: Makefile.am
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/camel/providers/Makefile.am,v
> > retrieving revision 1.27
> > diff -u -r1.27 Makefile.am
> > --- Makefile.am 1 Aug 2003 21:08:03 -0000       1.27
> > +++ Makefile.am 8 Jan 2004 12:45:05 -0000
> > @@ -8,5 +8,5 @@
> >  IMAPP_DIR=imapp
> >  endif
> >  
> > -SUBDIRS = pop3 sendmail smtp imap $(NNTP_DIR) local $(IMAPP_DIR)
> > +SUBDIRS = pop3 sendmail smtp imap $(NNTP_DIR) local $(IMAPP_DIR)
> groupwise
> >  
> > --- Makefile.am.orig    2004-01-08 17:50:37.000000000 +0530
> > +++ Makefile.am 2004-01-08 16:32:40.000000000 +0530
> > @@ -0,0 +1,31 @@
> > +## Process this file with automake to produce Makefile.in
> > +
> > +libcamelimapincludedir = $(privincludedir)/camel
> > +
> > +camel_provider_LTLIBRARIES = libcamelgroupwise.la
> > +camel_provider_DATA = libcamelgroupwise.urls
> > +
> > +INCLUDES = -I.. \
> > +       -I$(srcdir)/..                                  \
> > +       -I$(top_srcdir)/camel                           \
> > +       -I$(top_srcdir)/intl                            \
> > +       -I$(top_srcdir)/e-util                          \
> > +       -I$(top_srcdir)                                 \
> > +       -I$(top_srcdir)/camel/providers/imap            \
> > +       -I$(top_srcdir)/camel/providers/smtp            \
> > +       $(EVOLUTION_CALENDAR_CFLAGS)                  \
> > +       $(CAMEL_CFLAGS)                                 \
> > +       $(GNOME_INCLUDEDIR)                             \
> > +       $(E_UTIL_CFLAGS)                                \
> > +       $(GTK_INCLUDEDIR)                               \
> > +       -DCAMEL_PROVIDERDIR=\"$(camel_providerdir)\"    \
> > +       -DG_LOG_DOMAIN=\"camel-groupwise-provider\"
> > +
> > +libcamelgroupwise_la_SOURCES =                         \
> > +       camel-groupwise-provider.c              \
> > +       groupwise-config-listener.c             \
> > +       groupwise-config-listener.h             
> > +
> > +libcamelgroupwise_la_LDFLAGS = -avoid-version -module
> > +
> > +EXTRA_DIST = libcamelimap.urls
> > --- libcamelgroupwise.urls.orig 2004-01-08 18:13:43.000000000 +0530
> > +++ libcamelgroupwise.urls      2003-12-30 11:48:49.000000000 +0530
> > @@ -0,0 +1 @@
> > +groupwise
> > --- camel-groupwise-provider.c.orig     2004-01-08 17:50:24.000000000
> +0530
> > +++ camel-groupwise-provider.c  2004-01-08 15:25:06.000000000 +0530
> > @@ -0,0 +1,194 @@
> > +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8
> -*- */
> > +/* camel-groupwise-provider.c: Groupwise provider registration code
> */
> > +
> > +/*
> > + *  Authors: Jeffrey Stedfast <fejj ximian com>
> > + *           Sivaiah Nallagatla <snallagatla novell com>
> > + *           Rodrigo Moya <rodrigo ximian com>
> > + *
> > + *  Copyright 2003 Novell, Inc. (www.novell.com)
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of version 2 of the GNU General Public
> > + * License as published by the Free Software Foundation.
> > + *
> > + * 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.
> > + *
> > + */
> > +
> > +#ifdef HAVE_CONFIG_H
> > +#include <config.h>
> > +#endif
> > +
> > +#include <string.h>
> > +#include <gmodule.h>
> > +#include "camel-imap-store.h"
> > +#include "camel-provider.h"
> > +#include "camel-session.h"
> > +#include "camel-smtp-transport.h"
> > +#include "camel-url.h"
> > +#include "camel-sasl.h"
> > +#include "groupwise-config-listener.h"
> > +
> > +static void add_hash (guint *hash, char *s);
> > +static guint groupwise_url_hash (gconstpointer key);
> > +static gint check_equal (char *s1, char *s2);
> > +static gint groupwise_url_equal (gconstpointer a, gconstpointer b);
> > +static void free_groupwise_listener ( void );
> > +
> > +static GroupwiseConfigListener *config_listener = NULL;
> > +
> > +CamelProviderConfEntry groupwise_conf_entries[] = {
> > +       /* override the labels/defaults of the standard settings */
> > +
> > +       { CAMEL_PROVIDER_CONF_SECTION_START, "mailcheck", NULL,
> > +         N_("Checking for new mail") },
> > +       { CAMEL_PROVIDER_CONF_CHECKBOX, "check_all", NULL,
> > +         N_("Check for new messages in all folders"), "1" },
> > +       { CAMEL_PROVIDER_CONF_SECTION_END },
> > +
> > +       /* extra Groupwise  configuration settings */
> > +       /*CAMEL_PROVIDER_CONF_SECTION_START, "ldapserver", NULL,
> > +         N_("Address Book") },
> > +
> > +       { CAMEL_PROVIDER_CONF_ENTRY, "ldap_server", NULL,
> > +         N_("LDAP Server Name:") },
> > +
> > +       { CAMEL_PROVIDER_CONF_CHECKSPIN, "ldap_download_limit", NULL,
> > +         N_("LDAP Download limit: %s"), "y:1:500:10000" },
> > +
> > +         { CAMEL_PROVIDER_CONF_SECTION_END }, */
> > +
> > +       { CAMEL_PROVIDER_CONF_CHECKBOX, "filter", NULL,
> > +         N_("Apply filters to new messages in Inbox on this server"),
> "0" },
> > +
> > +       { CAMEL_PROVIDER_CONF_CHECKBOX, "offline_sync", NULL,
> > +         N_("Automatically synchronize remote mail locally"), "0" },
> > +
> > +       { CAMEL_PROVIDER_CONF_END }
> > +};
> 
> ^^ you've hardcoded the configuraiton options, neglecting any which
> may be added/removed from the imap code.
> 
> > +
> > +static CamelProvider groupwise_provider = {
> > +       "groupwise",
> > +       N_("Novell GroupWise"),
> > +
> > +       N_("For accesing Novell Groupwise servers"),
> > +
> > +       "mail",
> > +
> > +       CAMEL_PROVIDER_IS_REMOTE | CAMEL_PROVIDER_IS_SOURCE |
> > +       CAMEL_PROVIDER_IS_STORAGE | CAMEL_PROVIDER_SUPPORTS_SSL,
> > +
> > +       CAMEL_URL_NEED_USER | CAMEL_URL_NEED_HOST |
> CAMEL_URL_ALLOW_AUTH,
> > +
> > +       groupwise_conf_entries,
> > +
> > +       /* ... */
> > +};
> > +
> > +CamelServiceAuthType camel_groupwise_password_authtype = {
> > +       N_("Password"),
> > +       
> > +       N_("This option will connect to the IMAP server using a "
> > +          "plaintext password."),
> > +       
> > +       "",
> > +       TRUE
> > +};
> > +
> > +void
> > +camel_provider_module_init (CamelSession *session)
> > +{
> > +
> > +
> > +       CamelProvider *imap_provider;
> > +       CamelProvider *smtp_provider;
> > +       CamelSession *temp_session;
> > +
> > +       temp_session = CAMEL_SESSION ( camel_object_new
> ( CAMEL_SESSION_TYPE));
> > +       imap_provider =  camel_session_get_provider (temp_session,
> "imap://", NULL);
> > +       smtp_provider = camel_session_get_provider (temp_session,
> "smtp://", NULL);
> > +
> > +       groupwise_provider.url_hash = groupwise_url_hash;
> > +       groupwise_provider.url_equal = groupwise_url_equal;
> > +       groupwise_provider.authtypes = g_list_prepend
> (groupwise_provider.authtypes,  &camel_groupwise_password_authtype);
> > +
> > +       if (imap_provider != NULL && smtp_provider != NULL) {
> > +
> > +               groupwise_provider.object_types[CAMEL_PROVIDER_STORE]
> =  imap_provider->object_types [CAMEL_PROVIDER_STORE];
> > +               groupwise_provider.object_types
> [CAMEL_PROVIDER_TRANSPORT] = smtp_provider->object_types
> [CAMEL_PROVIDER_TRANSPORT];
> > +               camel_session_register_provider (session,
> &groupwise_provider);
> > +       }
> > +
> > +
> > +       if (!config_listener)   {
> > +
> > +               config_listener = groupwise_config_listener_new
> (gconf_client_get_default ()); 
> > +               g_atexit ( free_groupwise_listener );
> > +       }
> > +       
> > +       g_object_unref (temp_session);
> 
> this is a CamelObject object not a GObject.
> 
> > +
> > +}
> > +
> > +void free_groupwise_listener ( void )
> > +{
> > +       g_object_unref (config_listener);
> > +}
> > +
> > +static void
> > +add_hash (guint *hash, char *s)
> > +{
> > +       if (s)
> > +               *hash ^= g_str_hash(s);
> > +}
> > +
> > +static guint
> > +groupwise_url_hash (gconstpointer key)
> > +{
> > +       const CamelURL *u = (CamelURL *)key;
> > +       guint hash = 0;
> > +
> > +       add_hash (&hash, u->user);
> > +       add_hash (&hash, u->authmech);
> > +       add_hash (&hash, u->host);
> > +       hash ^= u->port;
> > +       
> > +       return hash;
> > +}
> > +
> > +static gint
> > +check_equal (char *s1, char *s2)
> > +{
> > +       if (s1 == NULL) {
> > +               if (s2 == NULL)
> > +                       return TRUE;
> > +               else
> > +                       return FALSE;
> > +       }
> > +       
> > +       if (s2 == NULL)
> > +               return FALSE;
> > +
> > +       return strcmp (s1, s2) == 0;
> > +}
> > +
> > +static gint
> > +groupwise_url_equal (gconstpointer a, gconstpointer b)
> > +{
> > +       const CamelURL *u1 = a, *u2 = b;
> > +       
> > +       return check_equal (u1->user, u2->user)
> > +               && check_equal (u1->authmech, u2->authmech)
> > +               && check_equal (u1->host, u2->host)
> > +               && u1->port == u2->port;
> > +}
> > --- groupwise-config-listener.h.orig    2004-01-08 17:50:06.000000000
> +0530
> > +++ groupwise-config-listener.h 2004-01-06 16:08:20.000000000 +0530
> 
> It should start with camel-
> 
> camel-gw-listener might be a decent name.
> 
> > @@ -0,0 +1,63 @@
> > +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8
> -*- */
> > +/*
> > + * Authors :
> > + *  
> > + *  Sivaiah Nallagatla <snallagatla novell com>
> > + *
> > + * Copyright 2003, Novell, Inc.
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of version 2 of the GNU General Public
> > + * License as published by the Free Software Foundation.
> > + *
> > + * 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
> > + */
> > +
> >
> +                                                                                                                             
> > +#ifndef GROUPWISE_CONFIG_LISTENER_H
> > +#define GROUPWISE_CONFIG_LISTENER_H
> >
> +                                                                                                                             
> > +
> > +#include <e-util/e-account-list.h>
> > +#include<libedataserver/e-source.h>
> > +#include<libedataserver/e-source-list.h>
> > +#include<e-util/e-url.h>
> > +                         
> > +G_BEGIN_DECLS
> >
> +                                                                                                                             
> > +#define GROUPWISE_TYPE_CONFIG_LISTENER
> (groupwise_config_listener_get_type ())
> > +#define GROUPWISE_CONFIG_LISTENER(obj)
> (G_TYPE_CHECK_INSTANCE_CAST ((obj), GROUPWISE_TYPE_CONFIG_LISTENER,
> GroupwiseConfigListener))
> > +#define GROUPWISE_CONFIG_LISTENER_CLASS(klass)
> (G_TYPE_CHECK_CLASS_CAST ((klass), GROUPWISE_TYPE_CONFIG_LISTENER,
> GroupwiseConfigListenerClass))
> > +#define GROUPWISE_IS_CONFIG_LISTENER(obj)
> (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GROUPWISE_TYPE_CONFIG_LISTENER))
> > +#define GROUPWISE_IS_CONFIG_LISTENER_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE ((obj), GROUPWISE_TYPE_CONFIG_LISTENER))
> > +
> > +typedef struct _GroupwiseConfigListener GroupwiseConfigListener;
> > +typedef struct _GroupwiseConfigListenerClass
> GroupwiseConfigListenerClass;
> > +typedef struct _GroupwiseConfigListenerPrivate
> GroupwiseConfigListenerPrivate;
> > +struct _GroupwiseConfigListener {
> > +       GObject parent;
> >
> +                                                                                                                        
> > +       GroupwiseConfigListenerPrivate *priv;
> > +};
> >
> +                                                                                                                             
> > +struct _GroupwiseConfigListenerClass {
> > +       GObjectClass parent_class;
> >
> +                                                                                                                             
> > +       
> > +};
> >
> +                                                                                                                             
> > +GType                   groupwise_config_listener_get_type (void);
> > +GroupwiseConfigListener *groupwise_config_listener_new
> (GConfClient *gconf);
> >
> +                                                                                                                             
> > +G_END_DECLS
> >
> +                                                                                                                             
> > +#endif 
> > +
> > --- groupwise-config-listener.c.orig    2004-01-08 16:59:06.000000000
> +0530
> > +++ groupwise-config-listener.c 2004-01-08 15:53:31.000000000 +0530
> > @@ -0,0 +1,478 @@
> > +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8
> -*- */
> > +/*
> > + * Authors :
> > + *  
> > + *  Sivaiah Nallagatla <snallagatla novell com>
> > + *
> > + * Copyright 2003, Novell, Inc.
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of version 2 of the GNU General Public
> > + * License as published by the Free Software Foundation.
> > + *
> > + * 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
> > + */
> > +
> > +#ifdef HAVE_CONFIG_H
> > +#include <config.h>
> > +#endif
> >
> +                                                                                                                             
> > +#include "groupwise-config-listener.h"
> > +#include <string.h>
> > +
> > +/*stores some info about all currently existing groupwise accounts 
> > +  list of GwAccountInfo structures */
> > +
> > +static         GList *groupwise_accounts = NULL;
> > +
> > +struct _GroupwiseConfigListenerPrivate {
> > +       GConfClient *gconf_client;
> > +       /* we get notification about mail account changes form this
> object */
> > +       EAccountList *account_list;
> > +                  
> > +};
> > +
> > +struct _GwAccountInfo {
> > +       char *uid;
> > +       char *name;
> > +       char *source_url;
> > +};
> > +
> > +typedef struct _GwAccountInfo GwAccountInfo;
> > +
> > +#define GROUPWISE_URI_PREFIX   "groupwise://" 
> > +#define GROUPWISE_PREFIX_LENGTH 12
> > +
> > +#define PARENT_TYPE G_TYPE_OBJECT
> > +
> > +static GObjectClass *parent_class = NULL;
> >
> +                                                                                                                             
> > +static void dispose (GObject *object);
> > +static void finalize (GObject *object);
> >
> +                                                                                                                             
> > +
> > +static void 
> > +groupwise_config_listener_class_init (GroupwiseConfigListenerClass
> *class)
> > +{
> > +       GObjectClass *object_class;
> > +       
> > +       parent_class =  g_type_class_ref (PARENT_TYPE);
> > +       object_class = G_OBJECT_CLASS (class);
> > +       
> > +       /* virtual method override */
> > +       object_class->dispose = dispose;
> > +       object_class->finalize = finalize;
> > +
> > +}
> > +
> > +static void 
> > +groupwise_config_listener_init (GroupwiseConfigListener
> *config_listener,  GroupwiseConfigListenerClass *class)
> > +{
> > +       config_listener->priv = g_new0
> (GroupwiseConfigListenerPrivate, 1);
> > +       
> > +}
> > +
> > +static void 
> > +dispose (GObject *object)
> > +{
> > +       GroupwiseConfigListener *config_listener =
> GROUPWISE_CONFIG_LISTENER (object);
> > +       
> > +       g_object_unref (config_listener->priv->gconf_client);
> > +       g_object_unref (config_listener->priv->account_list);
> > +
> > +       G_OBJECT_CLASS (parent_class)->dispose (object);
> > +
> > +}
> > +
> > +static void 
> > +finalize (GObject *object)
> > +{
> > +       GroupwiseConfigListener *config_listener =
> GROUPWISE_CONFIG_LISTENER (object);
> > +       GList *list;
> > +       GwAccountInfo *info;
> > +
> > +       if (config_listener->priv) {
> > +               g_free (config_listener->priv);
> > +       }
> > +
> > +       for ( list = g_list_first (groupwise_accounts); list ; list =
> g_list_next (list) ) {
> > +              
> > +               info = (GwAccountInfo *) (list->data);
> > +
> > +               if (info) {
> > +                       
> > +                       g_free (info->uid);
> > +                       g_free (info->name);
> > +                       g_free (info->source_url);
> > +                       g_free (info);
> > +               }
> > +       }
> > +       
> > +       g_list_free (groupwise_accounts);
> > +
> > +}
> > +
> > +/*determines whehter the passed in account is groupwise or not by
> looking at source url */
> > +
> > +static gboolean
> > +is_groupwise_account (EAccount *account)
> > +{
> > +       return (strncmp (account->source->url,  GROUPWISE_URI_PREFIX,
> GROUPWISE_PREFIX_LENGTH ) == 0);
> > +}
> > +
> > +
> > +/* looks up for an existing groupwise account info in the
> groupwise_accounts list based on uid */
> > +
> > +static GwAccountInfo* 
> > +lookup_account_info (const char *key)
> > +{
> > +       GList *list;
> > +        GwAccountInfo *info ;
> > +       int found = 0;
> >
> +                                                                      
> > +        if (!key)
> > +                return NULL;
> > +
> > +       info = NULL;
> > +
> > +        for (list = g_list_first (groupwise_accounts);  list;  list =
> g_list_next (list)) {
> >
> +                                                                                                                                      
> > +                info = (GwAccountInfo *) (list->data);
> > +                found = strcmp (info->uid, key) == 0;
> > +               if (found)
> > +                       break;
> >
> +                                                                                                                       
> > +       }
> >
> +                                                                                                                                    
> > +       return info;
> > +}
> > +
> > +
> > +static void
> > +add_esource (const char *conf_key, const char *group_name,  const
> char* source_name, const char* relative_uri)
> > +{
> > +       ESourceList *source_list;
> > +       ESourceGroup *group;
> > +       ESource *source;
> > +       
> > +       source_list = e_source_list_new_for_gconf
> (gconf_client_get_default (), conf_key);
> > +
> > +       group = e_source_group_new (group_name,
> GROUPWISE_URI_PREFIX);
> > +       if ( !e_source_list_add_group (source_list, group, -1))
> > +               return;
> > +
> > +       source = e_source_new (source_name, relative_uri);
> > +       e_source_group_add_source (group, source, -1);
> > +
> > +       e_source_list_sync (source_list, NULL);
> > +
> > +       g_object_unref (source);
> > +       g_object_unref (group);
> > +       g_object_unref (source_list);
> > +}
> > +
> > +
> > +static void 
> > +remove_esource (const char *conf_key, const char *group_name, char*
> source_name, const char* relative_uri)
> > +{
> > +       ESourceList *list;
> > +        ESourceGroup *group;
> > +        ESource *source;
> > +        GSList *groups;
> > +        GSList *sources;
> > +       gboolean found_group;
> > +
> > +        list = e_source_list_new_for_gconf (gconf_client_get_default
> (), conf_key);
> > +       groups = e_source_list_peek_groups (list); 
> > +       
> > +       found_group = FALSE;
> > +       
> > +       for ( ; groups != NULL && !found_group; groups = g_slist_next
> (groups)) {
> > +
> > +               group = E_SOURCE_GROUP (groups->data);
> > +               
> > +               if (strcmp (e_source_group_peek_name (group),
> group_name) == 0 && 
> > +                  strcmp (e_source_group_peek_base_uri (group),
> GROUPWISE_URI_PREFIX ) == 0) {
> > +
> > +                       sources = e_source_group_peek_sources (group);
> > +                       
> > +                       for( ; sources != NULL; sources = g_slist_next
> (sources)) {
> > +                               
> > +                               source = E_SOURCE (sources->data);
> > +                               
> > +                               if (strcmp (e_source_peek_relative_uri
> (source), relative_uri) == 0) {
> > +                                       
> > +                                       e_source_list_remove_group
> (list, group);
> > +                                       e_source_list_sync (list,
> NULL);        
> > +                                       found_group = TRUE;
> > +                                       break;
> > +                                       
> > +                               }
> > +                       }
> > +
> > +               }
> > +               
> > +             
> > +       }
> > +
> > +       g_object_unref (list);
> > +                       
> > +       
> > +}
> > +
> > +/* looks up for e-source with having same info as old_account_info
> and changes its values passed in new values */
> > +
> > +static void 
> > +modify_esource (const char* conf_key, GwAccountInfo
> *old_account_info, const char* new_group_name, const char*
> new_relative_uri)
> > +{
> > +       ESourceList *list;
> > +        ESourceGroup *group;
> > +        ESource *source;
> > +        GSList *groups;
> > +       GSList *sources;
> > +       char *old_relative_uri;
> > +       EUri *uri;
> > +       gboolean found_group;
> > +
> > +       uri = e_uri_new (old_account_info->source_url);
> > +       old_relative_uri =  g_strdup_printf ("%s %s", uri->user, uri-
> >host);
> > +       
> > +        list = e_source_list_new_for_gconf (gconf_client_get_default
> (), conf_key);
> > +       groups = e_source_list_peek_groups (list); 
> > +
> > +       found_group = FALSE;
> > +
> > +       for ( ; groups != NULL &&  !found_group; groups = g_slist_next
> (groups)) {
> > +
> > +               group = E_SOURCE_GROUP (groups->data);
> > +               
> > +               if (strcmp (e_source_group_peek_name (group),
> old_account_info->name) == 0 && 
> > +                  strcmp (e_source_group_peek_base_uri (group),
> GROUPWISE_URI_PREFIX) == 0) {
> > +                       
> > +                       sources = e_source_group_peek_sources (group);
> > +                       
> > +                       for ( ; sources != NULL; sources =
> g_slist_next (sources)) {
> > +                               
> > +                               source = E_SOURCE (sources->data);
> > +                               
> > +                               if (strcmp (e_source_peek_relative_uri
> (source), old_relative_uri) == 0) {
> > +                                       
> > +                                       e_source_group_set_name
> (group, new_group_name);
> > +                                       e_source_set_relative_uri
> (source, new_relative_uri);
> > +                                       e_source_list_sync (list,
> NULL);
> > +                                       found_group = TRUE;
> > +                                       break;
> > +                               }
> > +                       }
> > +               }
> > +       }
> > +
> > +       g_object_unref (list);
> > +       e_uri_free (uri);
> > +       g_free (old_relative_uri);
> > +       
> > +}
> > +/* add sources for calendar and tasks if the account added is
> groupwise account
> > +   adds the new account info to  groupwise_accounts list */
> > +
> > +static void 
> > +add_calendar_tasks_sources (GwAccountInfo *info)
> > +{
> > +       EUri *uri;
> > +       char *relative_uri;
> > +       
> > +       uri = e_uri_new (info->source_url);
> 
> camel should use camel_url's.
> 
> > +       relative_uri =  g_strdup_printf ("%s %s", uri->user, uri-
> >host);
> > +       add_esource ("/apps/evolution/calendar/sources", info->name,
> "Default", relative_uri);
> > +       add_esource ("/apps/evolution/tasks/sources", info->name,
> "Default", relative_uri);
> > +       
> > +       groupwise_accounts = g_list_append (groupwise_accounts, info);
> > +       
> > +       e_uri_free (uri);
> > +       g_free (relative_uri);
> > +
> > +}
> > +
> > +/* removes calendar and tasks sources if the account removed is
> groupwise account 
> > +   removes the the account info from groupwise_account list */
> > +
> > +static void 
> > +remove_calendar_tasks_sources (GwAccountInfo *info)
> > +{
> > +       EUri *uri;
> > +       char *relative_uri;
> > +       
> > +       uri = e_uri_new (info->source_url);
> 
> ditto.
> 
> > +       relative_uri =  g_strdup_printf ("%s %s", uri->user, uri-
> >host);
> > +
> > +       remove_esource ("/apps/evolution/calendar/sources", info-
> >name,  "Default", relative_uri);
> > +       remove_esource ("/apps/evolution/tasks/sources", info->name,
> "Default", relative_uri);
> > +       
> > +       g_free (info->uid);
> > +       g_free (info->name);
> > +       g_free (info->source_url);
> > +       groupwise_accounts = g_list_remove (groupwise_accounts, info);
> > +       g_free (info);
> > +       e_uri_free (uri);
> > +       g_free (relative_uri);
> > +
> > +}
> > +
> > +static void 
> > +account_added (EAccountList *account_listener, EAccount *account)
> > +{
> > +       EUri *uri;
> > +       GwAccountInfo *info;
> > +
> > +       if (!is_groupwise_account (account))
> > +               return;
> > +
> > +       uri = e_uri_new (account->source->url);
> 
> ditto.
> 
> you also leak the uri here.
> 
> > +       info = g_new0 (GwAccountInfo, 1);
> > +       info->uid = g_strdup (account->uid);
> > +       info->name = g_strdup (account->name);
> > +       info->source_url = g_strdup (account->source->url);
> > +       
> > +       add_calendar_tasks_sources (info);
> > +       
> > +}
> > +
> > +
> > +
> > +static void
> > +account_changed (EAccountList *account_listener, EAccount *account)
> > +{
> > +       gboolean is_gw_account;
> > +       EUri *uri;
> > +       char *relative_uri;
> > +
> > +       GwAccountInfo *existing_account_info;
> > +       is_gw_account = is_groupwise_account (account);
> > +       existing_account_info = lookup_account_info (account->uid);
> > +               
> > +       if (existing_account_info == NULL && is_gw_account) {
> > +               /* some account of other type is changed to Groupwise
> */
> > +               account_added (account_listener, account);
> > +
> > +       } else if ( existing_account_info != NULL && !is_gw_account) {
> > +
> > +               /*Groupwise account is changed to some other type */
> > +
> > +               remove_calendar_tasks_sources
> ( existing_account_info);
> > +
> > +       } else if ( existing_account_info != NULL && is_gw_account ) {
> > +
> > +               /* some info of groupwise account is changed . update
> the sources with new info if required */
> > + 
> > +               if (strcmp (existing_account_info->name, account-
> >name) != 0 || strcmp (existing_account_info->source_url, account-
> >source->url) != 0) {
> > +                       
> > +                       uri = e_uri_new (account->source->url);
> > +                       relative_uri =  g_strdup_printf ("%s %s", uri-
> >user, uri->host);
> > +                       modify_esource ("/apps/evolution/calendar/
> sources", existing_account_info, account->name, relative_uri);
> > +                       modify_esource ("/apps/evolution/tasks/
> sources", existing_account_info, account->name, relative_uri);
> > +                       g_free (existing_account_info->name);
> > +                       g_free (existing_account_info->source_url);
> > +                       existing_account_info->name = g_strdup
> (account->name);
> > +                       existing_account_info->source_url = g_strdup
> (account->source->url);
> > +                       e_uri_free (uri);
> > +               }
> > +               
> > +       }
> > +               
> > +       
> > +} 
> > +
> > +static void 
> > +account_removed (EAccountList *account_listener, EAccount *account)
> > +{
> > +               GwAccountInfo *info;
> > +       
> > +       if (!is_groupwise_account (account))
> > +               return;
> > +       
> > +       info = lookup_account_info (account->uid);
> > +       if (info == NULL) {
> > +               return;
> > +       }
> > +
> > +       remove_calendar_tasks_sources (info);
> > +
> > +}
> > +
> > +static void
> > +groupwise_config_listener_construct (GroupwiseConfigListener *
> config_listener)
> > +{
> > +       EIterator *iter;
> > +       EAccount *account;
> > +       GwAccountInfo *info ;
> > +       
> > +               config_listener->priv->account_list =
> e_account_list_new (config_listener->priv->gconf_client);
> > +
> > +       for ( iter = e_list_get_iterator (E_LIST ( config_listener-
> >priv->account_list) ) ; e_iterator_is_valid (iter); e_iterator_next
> (iter) ) {
> > +               
> > +               account = E_ACCOUNT (e_iterator_get (iter));
> > +               if ( is_groupwise_account (account)) {
> > +                       
> > +                       info = g_new0 (GwAccountInfo, 1);
> > +                       info->uid = g_strdup (account->uid);
> > +                       info->name = g_strdup (account->name);
> > +                       info->source_url = g_strdup (account->source-
> >url);
> > +                       groupwise_accounts = g_list_append
> (groupwise_accounts, info);
> > +                       
> > +               }
> > +                       
> > +       }
> > +       g_signal_connect (config_listener->priv->account_list,
> "account_added", G_CALLBACK (account_added), NULL);
> > +       g_signal_connect (config_listener->priv->account_list,
> "account_changed", G_CALLBACK (account_changed), NULL);
> > +       g_signal_connect (config_listener->priv->account_list,
> "account_removed", G_CALLBACK (account_removed), NULL);
> > +       
> > +       
> > +}
> > +
> > +GType
> > +groupwise_config_listener_get_type (void)
> > +{
> > +       static GType groupwise_config_listener_type  = 0;
> > +
> > +       if (!groupwise_config_listener_type) {
> > +               static GTypeInfo info = {
> > +                        sizeof (GroupwiseConfigListenerClass),
> > +                        (GBaseInitFunc) NULL,
> > +                        (GBaseFinalizeFunc) NULL,
> > +                        (GClassInitFunc)
> groupwise_config_listener_class_init,
> > +                        NULL, NULL,
> > +                        sizeof (GroupwiseConfigListener),
> > +                        0,
> > +                        (GInstanceInitFunc)
> groupwise_config_listener_init
> > +                };
> > +               groupwise_config_listener_type =
> g_type_register_static (PARENT_TYPE, "GroupwiseConfigListener", &info,
> 0);
> > +       }
> > +
> > +       return groupwise_config_listener_type;
> > +}
> 
> Things in camel need to be thread-safe, are GObjects thread safe enough
> now?
> 
> > +GroupwiseConfigListener*
> > +groupwise_config_listener_new (GConfClient * client)
> > +{
> > +       GroupwiseConfigListener *config_listener;
> > +       
> > +       config_listener = g_object_new
> (GROUPWISE_TYPE_CONFIG_LISTENER, NULL);
> > +       config_listener->priv->gconf_client = client;
> > +       g_object_ref (client);
> > +       
> > +       groupwise_config_listener_construct (config_listener);
> > +
> > +       return config_listener;
> > +
> > +}
> > +
> > +
> On Thu, 2004-01-08 at 19:07 +0530, Siva wrote:
> > Hi,
> > I am attaching a patch which has a camel provider for groupwise.
> > groupwise camel provider juset uses IMAP for it provider store and SMTP
> > for its transport. 
> > 
> > groupwise_config_listner is class implemented for adding e-sources for
> > calender and tasks whenever a groupwise acount is created from mail
> > account setup gui. It also deletes or modifies e-sources when 
> > a groupwise account is deleted or modified. 
> > 
> > Thanks, 
> > Sivaiah
> 
> _______________________________________________
> Evolution-patches mailing list
> Evolution-patches lists ximian com
> http://lists.ximian.com/mailman/listinfo/evolution-patches
--- camel-groupwise-provider.c.orig	2004-01-13 19:29:14.000000000 +0530
+++ camel-groupwise-provider.c	2004-01-13 18:42:30.000000000 +0530
@@ -0,0 +1,195 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* camel-groupwise-provider.c: Groupwise provider registration code */
+
+/*
+ *  Authors: Jeffrey Stedfast <fejj ximian com>
+ *           Sivaiah Nallagatla <snallagatla novell com>
+ *           Rodrigo Moya <rodrigo ximian com>
+ *
+ *  Copyright 2003 Novell, Inc. (www.novell.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <gmodule.h>
+#include "camel-imap-store.h"
+#include "camel-provider.h"
+#include "camel-session.h"
+#include "camel-smtp-transport.h"
+#include "camel-url.h"
+#include "camel-sasl.h"
+#include "camel-gw-listener.h"
+
+static void add_hash (guint *hash, char *s);
+static guint groupwise_url_hash (gconstpointer key);
+static gint check_equal (char *s1, char *s2);
+static gint groupwise_url_equal (gconstpointer a, gconstpointer b);
+static void free_groupwise_listener ( void );
+
+static CamelGwListener *config_listener = NULL;
+
+CamelProviderConfEntry groupwise_conf_entries[] = {
+	/* override the labels/defaults of the standard settings */
+
+	{ CAMEL_PROVIDER_CONF_SECTION_START, "mailcheck", NULL,
+	  N_("Checking for new mail") },
+	{ CAMEL_PROVIDER_CONF_CHECKBOX, "check_all", NULL,
+	  N_("Check for new messages in all folders"), "1" },
+	{ CAMEL_PROVIDER_CONF_SECTION_END },
+
+	{ CAMEL_PROVIDER_CONF_CHECKBOX, "filter", NULL,
+	  N_("Apply filters to new messages in Inbox on this server"), "0" },
+
+	{ CAMEL_PROVIDER_CONF_CHECKBOX, "offline_sync", NULL,
+	  N_("Automatically synchronize remote mail locally"), "0" },
+
+	/* extra Groupwise  configuration settings */
+/*	{CAMEL_PROVIDER_CONF_SECTION_START, "ldapserver", NULL,
+	  N_("Address Book") },
+
+	{ CAMEL_PROVIDER_CONF_ENTRY, "ldap_server", NULL,
+	  N_("LDAP Server Name:") },
+
+	{ CAMEL_PROVIDER_CONF_CHECKSPIN, "ldap_download_limit", NULL,
+	  N_("LDAP Download limit: %s"), "y:1:500:10000" },
+	
+	 { CAMEL_PROVIDER_CONF_SECTION_END }, */
+
+
+	{ CAMEL_PROVIDER_CONF_END }
+};
+
+
+static CamelProvider groupwise_provider = {
+	"groupwise",
+	N_("Novell GroupWise"),
+
+	N_("For accesing Novell Groupwise servers"),
+
+	"mail",
+
+	CAMEL_PROVIDER_IS_REMOTE | CAMEL_PROVIDER_IS_SOURCE |
+	CAMEL_PROVIDER_IS_STORAGE | CAMEL_PROVIDER_SUPPORTS_SSL,
+
+	CAMEL_URL_NEED_USER | CAMEL_URL_NEED_HOST | CAMEL_URL_ALLOW_AUTH,
+
+	groupwise_conf_entries,
+
+	/* ... */
+};
+
+CamelServiceAuthType camel_groupwise_password_authtype = {
+	N_("Password"),
+	
+	N_("This option will connect to the IMAP server using a "
+	   "plaintext password."),
+	
+	"",
+	TRUE
+};
+
+void
+camel_provider_module_init (CamelSession *session)
+{
+
+
+	CamelProvider *imap_provider;
+	CamelProvider *smtp_provider;
+	CamelSession *temp_session;
+
+	temp_session = CAMEL_SESSION ( camel_object_new ( CAMEL_SESSION_TYPE));
+	imap_provider =  camel_session_get_provider (temp_session, "imap://", NULL);
+	smtp_provider = camel_session_get_provider (temp_session, "smtp://", NULL);
+
+	groupwise_provider.url_hash = groupwise_url_hash;
+	groupwise_provider.url_equal = groupwise_url_equal;
+	groupwise_provider.authtypes = g_list_prepend (groupwise_provider.authtypes,  &camel_groupwise_password_authtype);
+
+	if (imap_provider != NULL && smtp_provider != NULL) {
+
+		groupwise_provider.object_types[CAMEL_PROVIDER_STORE] =  imap_provider->object_types [CAMEL_PROVIDER_STORE];
+		groupwise_provider.object_types[CAMEL_PROVIDER_TRANSPORT] = smtp_provider->object_types [CAMEL_PROVIDER_TRANSPORT];
+		camel_session_register_provider (session, &groupwise_provider);
+	}
+
+
+	if (!config_listener)	{
+
+		config_listener = camel_gw_listener_new ();	
+		g_atexit ( free_groupwise_listener );
+	}
+	
+	camel_object_unref (temp_session);
+
+}
+
+void free_groupwise_listener ( void )
+{
+	g_object_unref (config_listener);
+}
+
+static void
+add_hash (guint *hash, char *s)
+{
+	if (s)
+		*hash ^= g_str_hash(s);
+}
+
+static guint
+groupwise_url_hash (gconstpointer key)
+{
+	const CamelURL *u = (CamelURL *)key;
+	guint hash = 0;
+
+	add_hash (&hash, u->user);
+	add_hash (&hash, u->authmech);
+	add_hash (&hash, u->host);
+	hash ^= u->port;
+	
+	return hash;
+}
+
+static gint
+check_equal (char *s1, char *s2)
+{
+	if (s1 == NULL) {
+		if (s2 == NULL)
+			return TRUE;
+		else
+			return FALSE;
+	}
+	
+	if (s2 == NULL)
+		return FALSE;
+
+	return strcmp (s1, s2) == 0;
+}
+
+static gint
+groupwise_url_equal (gconstpointer a, gconstpointer b)
+{
+	const CamelURL *u1 = a, *u2 = b;
+	
+	return check_equal (u1->user, u2->user)
+		&& check_equal (u1->authmech, u2->authmech)
+		&& check_equal (u1->host, u2->host)
+		&& u1->port == u2->port;
+}
--- camel-gw-listener.h.orig	2004-01-13 19:29:02.000000000 +0530
+++ camel-gw-listener.h	2004-01-13 18:34:26.000000000 +0530
@@ -0,0 +1,63 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors :
+ *  
+ *  Sivaiah Nallagatla <snallagatla novell com>
+ *
+ * Copyright 2003, Novell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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
+ */
+
+                                                                                                                             
+#ifndef CAMEL_GW_LISTENER_H
+#define CAEML_GW_LISTENER_H
+                                                                                                                             
+
+#include <e-util/e-account-list.h>
+#include<libedataserver/e-source.h>
+#include<libedataserver/e-source-list.h>
+#include "camel-url.h"
+                         
+G_BEGIN_DECLS
+                                                                                                                             
+#define CAMEL_TYPE_GW_LISTENER            (camel_gw_listener_get_type ())
+#define CAMEL_GW_LISTENER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), CAMEL_TYPE_GW_LISTENER, CamelGwListener))
+#define CAMEL_GW_LISTENER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), CAMEL_TYPE_GW_LISTENER,  CamelGWListenerClass))
+#define CAMEL_IS_GWLISTENER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CAMEL_TYPE_GW_LISTENER))
+#define CAMEL_IS_GW_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), CAMEL_TYPE_GW_LISTENER))
+
+typedef struct _CamelGwListener CamelGwListener;
+typedef struct _CamelGwListenerClass CamelGwListenerClass;
+typedef struct _CamelGwListenerPrivate CamelGwListenerPrivate;
+struct _CamelGwListener {
+       GObject parent;
+                                                                                                                        
+       CamelGwListenerPrivate *priv;
+};
+                                                                                                                             
+struct _CamelGwListenerClass {
+       GObjectClass parent_class;
+                                                                                                                             
+       
+};
+                                                                                                                             
+GType                   camel_gw_listener_get_type (void);
+CamelGwListener *camel_gw_listener_new (void);
+                                                                                                                             
+G_END_DECLS
+                                                                                                                             
+#endif 
+
--- camel-gw-listener.c.orig	2004-01-13 19:28:33.000000000 +0530
+++ camel-gw-listener.c	2004-01-13 18:36:53.000000000 +0530
@@ -0,0 +1,480 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors :
+ *  
+ *  Sivaiah Nallagatla <snallagatla novell com>
+ *
+ * Copyright 2003, Novell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+                                                                                                                             
+#include "camel-gw-listener.h"
+#include <string.h>
+
+/*stores some info about all currently existing groupwise accounts 
+  list of GwAccountInfo structures */
+
+static 	GList *groupwise_accounts = NULL;
+
+struct _CamelGwListenerPrivate {
+	GConfClient *gconf_client;
+	/* we get notification about mail account changes form this object */
+	EAccountList *account_list;
+                  
+};
+
+struct _GwAccountInfo {
+	char *uid;
+	char *name;
+	char *source_url;
+};
+
+typedef struct _GwAccountInfo GwAccountInfo;
+
+#define GROUPWISE_URI_PREFIX   "groupwise://" 
+#define GROUPWISE_PREFIX_LENGTH 12
+
+#define PARENT_TYPE G_TYPE_OBJECT
+
+static GObjectClass *parent_class = NULL;
+                                                                                                                             
+static void dispose (GObject *object);
+static void finalize (GObject *object);
+                                                                                                                             
+
+static void 
+camel_gw_listener_class_init (CamelGwListenerClass *class)
+{
+	GObjectClass *object_class;
+	
+	parent_class =  g_type_class_ref (PARENT_TYPE);
+	object_class = G_OBJECT_CLASS (class);
+	
+	/* virtual method override */
+	object_class->dispose = dispose;
+	object_class->finalize = finalize;
+
+}
+
+static void 
+camel_gw_listener_init (CamelGwListener *config_listener,  CamelGwListenerClass *class)
+{
+	config_listener->priv = g_new0 (CamelGwListenerPrivate, 1);
+	
+}
+
+static void 
+dispose (GObject *object)
+{
+	CamelGwListener *config_listener = CAMEL_GW_LISTENER (object);
+	
+	g_object_unref (config_listener->priv->gconf_client);
+	g_object_unref (config_listener->priv->account_list);
+
+	G_OBJECT_CLASS (parent_class)->dispose (object);
+
+}
+
+static void 
+finalize (GObject *object)
+{
+	CamelGwListener *config_listener = CAMEL_GW_LISTENER (object);
+	GList *list;
+	GwAccountInfo *info;
+
+	if (config_listener->priv) {
+		g_free (config_listener->priv);
+	}
+
+	for ( list = g_list_first (groupwise_accounts); list ; list = g_list_next (list) ) {
+	       
+		info = (GwAccountInfo *) (list->data);
+
+		if (info) {
+			
+			g_free (info->uid);
+			g_free (info->name);
+			g_free (info->source_url);
+			g_free (info);
+		}
+	}
+	
+	g_list_free (groupwise_accounts);
+
+}
+
+/*determines whehter the passed in account is groupwise or not by looking at source url */
+
+static gboolean
+is_groupwise_account (EAccount *account)
+{
+	if (account->source->url != NULL) {
+		
+		return (strncmp (account->source->url,  GROUPWISE_URI_PREFIX, GROUPWISE_PREFIX_LENGTH ) == 0);
+	} else {
+		return FALSE;
+	}
+}
+
+
+/* looks up for an existing groupwise account info in the groupwise_accounts list based on uid */
+
+static GwAccountInfo* 
+lookup_account_info (const char *key)
+{
+	GList *list;
+        GwAccountInfo *info ;
+	int found = 0;
+                                                                      
+        if (!key)
+                return NULL;
+
+	info = NULL;
+
+        for (list = g_list_first (groupwise_accounts);  list;  list = g_list_next (list)) {
+                                                                                                                                      
+                info = (GwAccountInfo *) (list->data);
+                found = strcmp (info->uid, key) == 0;
+		if (found)
+			break;
+                                                                                                                       
+	}
+	                                                                                                                             
+	return info;
+}
+
+
+static void
+add_esource (const char *conf_key, const char *group_name,  const char* source_name, const char* relative_uri)
+{
+	ESourceList *source_list;
+	ESourceGroup *group;
+	ESource *source;
+	
+	source_list = e_source_list_new_for_gconf (gconf_client_get_default (), conf_key);
+
+	group = e_source_group_new (group_name,  GROUPWISE_URI_PREFIX);
+	if ( !e_source_list_add_group (source_list, group, -1))
+		return;
+
+	source = e_source_new (source_name, relative_uri);
+	e_source_group_add_source (group, source, -1);
+
+	e_source_list_sync (source_list, NULL);
+
+	g_object_unref (source);
+	g_object_unref (group);
+	g_object_unref (source_list);
+}
+
+
+static void 
+remove_esource (const char *conf_key, const char *group_name, char* source_name, const char* relative_uri)
+{
+	ESourceList *list;
+        ESourceGroup *group;
+        ESource *source;
+        GSList *groups;
+        GSList *sources;
+	gboolean found_group;
+
+        list = e_source_list_new_for_gconf (gconf_client_get_default (), conf_key);
+	groups = e_source_list_peek_groups (list); 
+	
+	found_group = FALSE;
+	
+	for ( ; groups != NULL && !found_group; groups = g_slist_next (groups)) {
+
+		group = E_SOURCE_GROUP (groups->data);
+		
+		if (strcmp (e_source_group_peek_name (group), group_name) == 0 && 
+		   strcmp (e_source_group_peek_base_uri (group), GROUPWISE_URI_PREFIX ) == 0) {
+
+			sources = e_source_group_peek_sources (group);
+			
+			for( ; sources != NULL; sources = g_slist_next (sources)) {
+				
+				source = E_SOURCE (sources->data);
+				
+				if (strcmp (e_source_peek_relative_uri (source), relative_uri) == 0) {
+					
+					e_source_list_remove_group (list, group);
+					e_source_list_sync (list, NULL);	
+					found_group = TRUE;
+					break;
+					
+				}
+			}
+
+		}
+		
+	      
+	}
+
+	g_object_unref (list);
+			
+	
+}
+
+/* looks up for e-source with having same info as old_account_info and changes its values passed in new values */
+
+static void 
+modify_esource (const char* conf_key, GwAccountInfo *old_account_info, const char* new_group_name, const char* new_relative_uri)
+{
+	ESourceList *list;
+        ESourceGroup *group;
+        ESource *source;
+        GSList *groups;
+	GSList *sources;
+	char *old_relative_uri;
+	CamelURL *url;
+	gboolean found_group;
+
+	url = camel_url_new (old_account_info->source_url, NULL);
+	old_relative_uri =  g_strdup_printf ("%s %s", url->user, url->host);
+	
+        list = e_source_list_new_for_gconf (gconf_client_get_default (), conf_key);
+	groups = e_source_list_peek_groups (list); 
+
+	found_group = FALSE;
+
+	for ( ; groups != NULL &&  !found_group; groups = g_slist_next (groups)) {
+
+		group = E_SOURCE_GROUP (groups->data);
+		
+		if (strcmp (e_source_group_peek_name (group), old_account_info->name) == 0 && 
+		   strcmp (e_source_group_peek_base_uri (group), GROUPWISE_URI_PREFIX) == 0) {
+			
+			sources = e_source_group_peek_sources (group);
+			
+			for ( ; sources != NULL; sources = g_slist_next (sources)) {
+				
+				source = E_SOURCE (sources->data);
+				
+				if (strcmp (e_source_peek_relative_uri (source), old_relative_uri) == 0) {
+					
+					e_source_group_set_name (group, new_group_name);
+					e_source_set_relative_uri (source, new_relative_uri);
+					e_source_list_sync (list, NULL);
+					found_group = TRUE;
+					break;
+				}
+			}
+		}
+	}
+
+	g_object_unref (list);
+	camel_url_free (url);
+	g_free (old_relative_uri);
+	
+}
+/* add sources for calendar and tasks if the account added is groupwise account
+   adds the new account info to  groupwise_accounts list */
+
+static void 
+add_calendar_tasks_sources (GwAccountInfo *info)
+{
+	CamelURL *url;
+	char *relative_uri;
+	
+	url = camel_url_new (info->source_url, NULL);
+	relative_uri =  g_strdup_printf ("%s %s", url->user, url->host);
+	add_esource ("/apps/evolution/calendar/sources", info->name,  "Default", relative_uri);
+	add_esource ("/apps/evolution/tasks/sources", info->name,  "Default", relative_uri);
+	
+	groupwise_accounts = g_list_append (groupwise_accounts, info);
+	
+	camel_url_free (url);
+	g_free (relative_uri);
+
+}
+
+/* removes calendar and tasks sources if the account removed is groupwise account 
+   removes the the account info from groupwise_account list */
+
+static void 
+remove_calendar_tasks_sources (GwAccountInfo *info)
+{
+	CamelURL *url;
+	char *relative_uri;
+	
+	url = camel_url_new (info->source_url, NULL);
+	relative_uri =  g_strdup_printf ("%s %s", url->user, url->host);
+
+	remove_esource ("/apps/evolution/calendar/sources", info->name,  "Default", relative_uri);
+	remove_esource ("/apps/evolution/tasks/sources", info->name,  "Default", relative_uri);
+	
+	g_free (info->uid);
+	g_free (info->name);
+	g_free (info->source_url);
+	groupwise_accounts = g_list_remove (groupwise_accounts, info);
+	g_free (info);
+	camel_url_free (url);
+	g_free (relative_uri);
+
+}
+
+static void 
+account_added (EAccountList *account_listener, EAccount *account)
+{
+
+	GwAccountInfo *info;
+
+	if (!is_groupwise_account (account))
+		return;
+	
+	info = g_new0 (GwAccountInfo, 1);
+	info->uid = g_strdup (account->uid);
+	info->name = g_strdup (account->name);
+	info->source_url = g_strdup (account->source->url);
+	
+	add_calendar_tasks_sources (info);
+	
+}
+
+
+
+static void
+account_changed (EAccountList *account_listener, EAccount *account)
+{
+	gboolean is_gw_account;
+	CamelURL *url;
+	char *relative_uri;
+
+	GwAccountInfo *existing_account_info;
+	is_gw_account = is_groupwise_account (account);
+	existing_account_info = lookup_account_info (account->uid);
+		
+	if (existing_account_info == NULL && is_gw_account) {
+		/* some account of other type is changed to Groupwise */
+		account_added (account_listener, account);
+
+	} else if ( existing_account_info != NULL && !is_gw_account) {
+
+		/*Groupwise account is changed to some other type */
+
+		remove_calendar_tasks_sources ( existing_account_info);
+
+	} else if ( existing_account_info != NULL && is_gw_account ) {
+
+		/* some info of groupwise account is changed . update the sources with new info if required */
+ 
+		if (strcmp (existing_account_info->name, account->name) != 0 || strcmp (existing_account_info->source_url, account->source->url) != 0) {
+			
+			url = camel_url_new (account->source->url, NULL);
+			relative_uri =  g_strdup_printf ("%s %s", url->user, url->host);
+			modify_esource ("/apps/evolution/calendar/sources", existing_account_info, account->name, relative_uri);
+			modify_esource ("/apps/evolution/tasks/sources", existing_account_info, account->name, relative_uri);
+			g_free (existing_account_info->name);
+			g_free (existing_account_info->source_url);
+			existing_account_info->name = g_strdup (account->name);
+			existing_account_info->source_url = g_strdup (account->source->url);
+			camel_url_free (url);
+		}
+		
+	}
+		
+	
+} 
+
+static void 
+account_removed (EAccountList *account_listener, EAccount *account)
+{
+       	GwAccountInfo *info;
+	
+	if (!is_groupwise_account (account))
+		return;
+	
+	info = lookup_account_info (account->uid);
+	if (info == NULL) {
+		return;
+	}
+
+	remove_calendar_tasks_sources (info);
+
+}
+
+static void
+camel_gw_listener_construct (CamelGwListener *config_listener)
+{
+	EIterator *iter;
+	EAccount *account;
+	GwAccountInfo *info ;
+	
+       	config_listener->priv->account_list = e_account_list_new (config_listener->priv->gconf_client);
+
+	for ( iter = e_list_get_iterator (E_LIST ( config_listener->priv->account_list) ) ; e_iterator_is_valid (iter); e_iterator_next (iter) ) {
+		
+		account = E_ACCOUNT (e_iterator_get (iter));
+		if ( is_groupwise_account (account)) {
+			
+		        info = g_new0 (GwAccountInfo, 1);
+			info->uid = g_strdup (account->uid);
+			info->name = g_strdup (account->name);
+			info->source_url = g_strdup (account->source->url);
+			groupwise_accounts = g_list_append (groupwise_accounts, info);
+			
+		}
+			
+	}
+	g_signal_connect (config_listener->priv->account_list, "account_added", G_CALLBACK (account_added), NULL);
+	g_signal_connect (config_listener->priv->account_list, "account_changed", G_CALLBACK (account_changed), NULL);
+	g_signal_connect (config_listener->priv->account_list, "account_removed", G_CALLBACK (account_removed), NULL);
+	
+       
+}
+
+GType
+camel_gw_listener_get_type (void)
+{
+	static GType camel_gw_listener_type  = 0;
+
+	if (!camel_gw_listener_type) {
+		static GTypeInfo info = {
+                        sizeof (CamelGwListenerClass),
+                        (GBaseInitFunc) NULL,
+                        (GBaseFinalizeFunc) NULL,
+                        (GClassInitFunc) camel_gw_listener_class_init,
+                        NULL, NULL,
+                        sizeof (CamelGwListener),
+                        0,
+                        (GInstanceInitFunc) camel_gw_listener_init
+                };
+		camel_gw_listener_type = g_type_register_static (PARENT_TYPE, "CamelGwListener", &info, 0);
+	}
+
+	return camel_gw_listener_type;
+}
+
+CamelGwListener*
+camel_gw_listener_new ()
+{
+	CamelGwListener *config_listener;
+       
+	config_listener = g_object_new (CAMEL_TYPE_GW_LISTENER, NULL);
+	config_listener->priv->gconf_client = gconf_client_get_default();
+	
+	camel_gw_listener_construct (config_listener);
+
+	return config_listener;
+
+}
+
+


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