aboutsummaryrefslogblamecommitdiffstats
path: root/calendar/gui/e-meeting-store.c
blob: 6eaf3da2508b1fd1f7db7f094019f6a689086ee5 (plain) (tree)
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563






























                                                                    



                                    











                                                                             
                     

                           

                     
                     


                                 
                      
                              



                                 























                                                              

                                                                                                 
           

                                               

                                                                  





















































































































































































































































































































































































































































































                                                                                                                  
                                                                                                                        
                    


                                                                                                                        



































                                                                                         
 




                                                         
                                   

                                                


























                                                                  
                                                         

                                                                 

                                                 


                                                                        
 

                                                 









                                                   
                                                            




                                                                    
                                                       







                                                                                                                                      
                                                                        

















                                                                   

                                                




                                   
                                                              
























                                                                   
















                                                                      






























































































                                                                                          
 
































































                                                                                                                            





















                                                                                          


































                                                                                      
                                   
                                    


                                                                                       















                                                                   






























                                                                                   





                                                  

                             
                                                      
                                                                   
 

                                                                                  
 
                                                                           

         



                                            
                                                             
                                                       









                                                    
        















































































































                                                                                       
                                                           


























                                                                                              
















                                                                  





                       

                     



                                      


                       




                                                   
                              
                                                        
 
                          


                                                                                                   
                                                                                                             
                                                        










                                                                        

                                    
                 
         





                                                                           
 
        



                                                            
                                                                          




















                                                                                         




                    



                 






                                                      
              


                               







                                                                            
                                                                                                                                


















                                                                                 

                                            
                                 

                                


                                                                                              
 

                                                        
                                        
                                





                                                              
                                                                            






                                                            

                                                                          
 
                                                                               
 
         







                                              




                                                                                    








                                                        
                             


                                                                                    
         












                                                          
              

                           
 
                                                            
                                                                                                              
                       
 



                                                                           
 
                                                                                                                                                     
                               



                                                                                                                        
 















                                                                           
                                                                                                                               


                                                                              
                                                                          



                                                               

                                     












































                                                                                        

















                                                                                  


























                                                                                 
/* 
 * e-meeting-store.c
 *
 * Copyright (C) 2001-2003  Ximian, Inc.
 *
 * Authors: JP Rosevear  <jpr@ximian.com>
 *      Mike Kestner  <mkestner@ximian.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 <glib.h>
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
#include <libgnomevfs/gnome-vfs.h>
#include <libebook/e-book.h>
#include <libecal/e-cal-component.h>
#include <libecal/e-cal-util.h>
#include <libecal/e-cal-time-util.h>
#include "calendar-config.h"
#include "itip-utils.h"
#include "e-meeting-utils.h"
#include "e-meeting-attendee.h"
#include "e-meeting-store.h"

#define ROW_VALID(store, row) (row >= 0 && row < store->priv->attendees->len)

struct _EMeetingStorePrivate {
    GPtrArray *attendees;
    gint stamp;

    ECal *client;
    icaltimezone *zone;
    
    char *fb_uri;

    EBook *ebook;

    GPtrArray *refresh_queue;
    GHashTable *refresh_data;
    GMutex *mutex;
    guint refresh_idle_id;

    guint callback_idle_id;
    guint num_threads;
    GAsyncQueue *async_queue;
};

#define BUF_SIZE 1024

typedef struct _EMeetingStoreQueueData EMeetingStoreQueueData;
struct _EMeetingStoreQueueData {
    EMeetingStore *store;
    EMeetingAttendee *attendee;

    gboolean refreshing;
    
    EMeetingTime start;
    EMeetingTime end;

    char buffer[BUF_SIZE];
    GString *string;
    
    GPtrArray *call_backs;
    GPtrArray *data;
};


static GObjectClass *parent_class = NULL;

static void start_async_read (GnomeVFSAsyncHandle *handle, GnomeVFSResult result, gpointer data);

static void
start_addressbook_server (EMeetingStore *store)
{
    store->priv->ebook = e_book_new_system_addressbook (NULL);
    e_book_open (store->priv->ebook, FALSE, NULL);
}

static icalparameter_cutype
text_to_type (const char *type)
{
    if (!g_strcasecmp (type, _("Individual")))
        return ICAL_CUTYPE_INDIVIDUAL;
    else if (!g_strcasecmp (type, _("Group")))
        return ICAL_CUTYPE_GROUP;
    else if (!g_strcasecmp (type, _("Resource")))
        return ICAL_CUTYPE_RESOURCE;
    else if (!g_strcasecmp (type, _("Room")))
        return ICAL_CUTYPE_ROOM;
    else
        return ICAL_CUTYPE_NONE;
}

static char *
type_to_text (icalparameter_cutype type)
{
    switch (type) {
    case ICAL_CUTYPE_INDIVIDUAL:
        return _("Individual");
    case ICAL_CUTYPE_GROUP:
        return _("Group");
    case ICAL_CUTYPE_RESOURCE:
        return _("Resource");
    case ICAL_CUTYPE_ROOM:
        return _("Room");
    default:
        return _("Unknown");
    }

    return NULL;

}

static icalparameter_role
text_to_role (const char *role)
{
    if (!g_strcasecmp (role, _("Chair")))
        return ICAL_ROLE_CHAIR;
    else if (!g_strcasecmp (role, _("Required Participant")))
        return ICAL_ROLE_REQPARTICIPANT;
    else if (!g_strcasecmp (role, _("Optional Participant")))
        return ICAL_ROLE_OPTPARTICIPANT;
    else if (!g_strcasecmp (role, _("Non-Participant")))
        return ICAL_ROLE_NONPARTICIPANT;
    else
        return ICAL_ROLE_NONE;
}

static char *
role_to_text (icalparameter_role role) 
{
    switch (role) {
    case ICAL_ROLE_CHAIR:
        return _("Chair");
    case ICAL_ROLE_REQPARTICIPANT:
        return _("Required Participant");
    case ICAL_ROLE_OPTPARTICIPANT:
        return _("Optional Participant");
    case ICAL_ROLE_NONPARTICIPANT:
        return _("Non-Participant");
    default:
        return _("Unknown");
    }

    return NULL;
}

static gboolean
text_to_boolean (const char *role)
{
    if (!g_strcasecmp (role, _("Yes")))
        return TRUE;
    else
        return FALSE;
}

static char *
boolean_to_text (gboolean b) 
{
    if (b)
        return _("Yes");
    else
        return _("No");
}

static icalparameter_partstat
text_to_partstat (const char *partstat)
{
    if (!g_strcasecmp (partstat, _("Needs Action")))
        return ICAL_PARTSTAT_NEEDSACTION;
    else if (!g_strcasecmp (partstat, _("Accepted")))
        return ICAL_PARTSTAT_ACCEPTED;
    else if (!g_strcasecmp (partstat, _("Declined")))
        return ICAL_PARTSTAT_DECLINED;
    else if (!g_strcasecmp (partstat, _("Tentative")))
        return ICAL_PARTSTAT_TENTATIVE;
    else if (!g_strcasecmp (partstat, _("Delegated")))
        return ICAL_PARTSTAT_DELEGATED;
    else if (!g_strcasecmp (partstat, _("Completed")))
        return ICAL_PARTSTAT_COMPLETED;
    else if (!g_strcasecmp (partstat, _("In Process")))
        return ICAL_PARTSTAT_INPROCESS;
    else
        return ICAL_PARTSTAT_NONE;
}

static char *
partstat_to_text (icalparameter_partstat partstat) 
{
    switch (partstat) {
    case ICAL_PARTSTAT_NEEDSACTION:
        return _("Needs Action");
    case ICAL_PARTSTAT_ACCEPTED:
        return _("Accepted");
    case ICAL_PARTSTAT_DECLINED:
        return _("Declined");
    case ICAL_PARTSTAT_TENTATIVE:
        return _("Tentative");
    case ICAL_PARTSTAT_DELEGATED:
        return _("Delegated");
    case ICAL_PARTSTAT_COMPLETED:
        return _("Completed");
    case ICAL_PARTSTAT_INPROCESS:
        return _("In Process");
    case ICAL_PARTSTAT_NONE:
    default:
        return _("Unknown");
    }

    return NULL;
}

static GtkTreeModelFlags
get_flags (GtkTreeModel *model)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (model), 0);

    return GTK_TREE_MODEL_ITERS_PERSIST | GTK_TREE_MODEL_LIST_ONLY;
}

static int
get_n_columns (GtkTreeModel *model)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (model), 0);

    return E_MEETING_STORE_COLUMN_COUNT;
}

static GType
get_column_type (GtkTreeModel *model, int col)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (model), G_TYPE_INVALID);

    switch (col) {
    case E_MEETING_STORE_ADDRESS_COL:
    case E_MEETING_STORE_MEMBER_COL:
    case E_MEETING_STORE_TYPE_COL:
    case E_MEETING_STORE_ROLE_COL:
    case E_MEETING_STORE_RSVP_COL:
    case E_MEETING_STORE_DELTO_COL:
    case E_MEETING_STORE_DELFROM_COL:
    case E_MEETING_STORE_STATUS_COL:
    case E_MEETING_STORE_CN_COL:
    case E_MEETING_STORE_LANGUAGE_COL:
    case E_MEETING_STORE_ATTENDEE_COL:
        return G_TYPE_STRING;
    case E_MEETING_STORE_ATTENDEE_UNDERLINE_COL:
        return PANGO_TYPE_UNDERLINE;
    default:
        return G_TYPE_INVALID;
    }
}

static gboolean
get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path)
{
    int row;

    g_return_val_if_fail (E_IS_MEETING_STORE (model), FALSE);
    g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);

    row = gtk_tree_path_get_indices (path) [0];

    if (!ROW_VALID (E_MEETING_STORE (model), row))
           return FALSE;

    iter->stamp = E_MEETING_STORE (model)->priv->stamp;
    iter->user_data = GINT_TO_POINTER (row);

    return TRUE;
}

static GtkTreePath *
get_path (GtkTreeModel *model, GtkTreeIter *iter)
{
    int row;
    GtkTreePath *result;

    g_return_val_if_fail (E_IS_MEETING_STORE (model), NULL);
    g_return_val_if_fail (iter->stamp == E_MEETING_STORE (model)->priv->stamp, NULL);

    row = GPOINTER_TO_INT (iter->user_data);

    g_return_val_if_fail (ROW_VALID (E_MEETING_STORE (model), row), NULL);

    result = gtk_tree_path_new ();
    gtk_tree_path_append_index (result, row);
    return result;
}
    
static void
get_value (GtkTreeModel *model, GtkTreeIter *iter, int col, GValue *value)
{
    EMeetingStore *store;
    EMeetingAttendee *attendee;
    const gchar *cn;
    int row;

    g_return_if_fail (E_IS_MEETING_STORE (model));
    g_return_if_fail (col >= 0 && col < E_MEETING_STORE_COLUMN_COUNT);

    row = GPOINTER_TO_INT (iter->user_data);
    store = E_MEETING_STORE (model);    

    g_return_if_fail (iter->stamp == store->priv->stamp);
    g_return_if_fail (ROW_VALID (E_MEETING_STORE (model), row));

    attendee = g_ptr_array_index (store->priv->attendees, row);
    
    switch (col) {
    case E_MEETING_STORE_ADDRESS_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));
        break;
    case E_MEETING_STORE_MEMBER_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, e_meeting_attendee_get_member (attendee));
        break;
    case E_MEETING_STORE_TYPE_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, type_to_text (e_meeting_attendee_get_cutype (attendee)));
        break;
    case E_MEETING_STORE_ROLE_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, role_to_text (e_meeting_attendee_get_role (attendee)));
        break;
    case E_MEETING_STORE_RSVP_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, boolean_to_text (e_meeting_attendee_get_rsvp (attendee)));
        break;
    case E_MEETING_STORE_DELTO_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, itip_strip_mailto (e_meeting_attendee_get_delto (attendee)));
        break;
    case E_MEETING_STORE_DELFROM_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, itip_strip_mailto (e_meeting_attendee_get_delfrom (attendee)));
        break;
    case E_MEETING_STORE_STATUS_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, partstat_to_text (e_meeting_attendee_get_status (attendee)));
        break;
    case E_MEETING_STORE_CN_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, e_meeting_attendee_get_cn (attendee));
        break;
    case E_MEETING_STORE_LANGUAGE_COL:
        g_value_init (value, G_TYPE_STRING);
        g_value_set_string (value, e_meeting_attendee_get_language (attendee));
        break;
    case E_MEETING_STORE_ATTENDEE_COL:
        g_value_init (value, G_TYPE_STRING);
        cn = e_meeting_attendee_get_cn (attendee);
        if (strcmp (cn, ""))
            g_value_set_string (value, cn);
        else
            g_value_set_string (value, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));
        break;
    case E_MEETING_STORE_ATTENDEE_UNDERLINE_COL:
        cn = e_meeting_attendee_get_cn (attendee);
        g_value_init (value, PANGO_TYPE_UNDERLINE);
        g_value_set_enum (value, strcmp ("", cn) == 0 ? PANGO_UNDERLINE_NONE : PANGO_UNDERLINE_SINGLE);
    }
}

static gboolean
iter_next (GtkTreeModel *model, GtkTreeIter *iter)
{
    int row;

    g_return_val_if_fail (E_IS_MEETING_STORE (model), FALSE);
    g_return_val_if_fail (iter->stamp == E_MEETING_STORE (model)->priv->stamp, FALSE);

    row = GPOINTER_TO_INT (iter->user_data) + 1;
    iter->user_data = GINT_TO_POINTER (row);

    return ROW_VALID (E_MEETING_STORE (model), row);
}

static gboolean
iter_children (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent)
{
    EMeetingStore *store;

    g_return_val_if_fail (E_IS_MEETING_STORE (model), FALSE);

    store = E_MEETING_STORE (model);    

    if (parent || store->priv->attendees->len <= 0)
        return FALSE;

    iter->stamp = store->priv->stamp;
    iter->user_data = GINT_TO_POINTER (0);
    
    return TRUE;
}

static gboolean
iter_has_child (GtkTreeModel *model, GtkTreeIter *iter)
{
    return FALSE;
}

static int
iter_n_children (GtkTreeModel *model, GtkTreeIter *iter)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (model), -1);
    
    if (!iter)
        return E_MEETING_STORE (model)->priv->attendees->len;

    g_return_val_if_fail (iter->stamp == E_MEETING_STORE (model)->priv->stamp, -1);

    return 0;
}

static gboolean
iter_nth_child (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent, int n)
{
    EMeetingStore *store;

    g_return_val_if_fail (E_IS_MEETING_STORE (model), FALSE);

    store = E_MEETING_STORE (model);    

    if (parent || !ROW_VALID (store, n))
        return FALSE;

    iter->stamp = store->priv->stamp;
    iter->user_data = GINT_TO_POINTER (n);

    return TRUE;
}

static gboolean
iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child)
{
    return FALSE;
}

static void
ems_tree_model_init (GtkTreeModelIface *iface)
{
    iface->get_flags = get_flags;
    iface->get_n_columns = get_n_columns;
    iface->get_column_type = get_column_type;
    iface->get_iter = get_iter;
    iface->get_path = get_path;
    iface->get_value = get_value;
    iface->iter_next = iter_next;
    iface->iter_children = iter_children;
    iface->iter_has_child = iter_has_child;
    iface->iter_n_children = iter_n_children;
    iface->iter_nth_child = iter_nth_child;
    iface->iter_parent = iter_parent;
}

void
e_meeting_store_set_value (EMeetingStore *store, int row, int col, const gchar *val)
{
    icalparameter_cutype type;
    EMeetingAttendee *attendee = g_ptr_array_index (store->priv->attendees, row);

    switch (col) {
    case E_MEETING_STORE_ADDRESS_COL:
        if (val != NULL && *((char *)val))
            e_meeting_attendee_set_address (attendee, g_strdup_printf ("MAILTO:%s", (char *) val));
        break;
    case E_MEETING_STORE_MEMBER_COL:
        e_meeting_attendee_set_member (attendee, g_strdup (val));
        break;
    case E_MEETING_STORE_TYPE_COL:
        type = text_to_type (val);
        e_meeting_attendee_set_cutype (attendee, text_to_type (val));
        if (type == ICAL_CUTYPE_RESOURCE) {
            e_meeting_attendee_set_role (attendee, ICAL_ROLE_NONPARTICIPANT);
        }       
        break;
    case E_MEETING_STORE_ROLE_COL:
        e_meeting_attendee_set_role (attendee, text_to_role (val));
        break;
    case E_MEETING_STORE_RSVP_COL:
        e_meeting_attendee_set_rsvp (attendee, text_to_boolean (val));
        break;
    case E_MEETING_STORE_DELTO_COL:
        e_meeting_attendee_set_delto (attendee, g_strdup (val));
        break;
    case E_MEETING_STORE_DELFROM_COL:
        e_meeting_attendee_set_delfrom (attendee, g_strdup (val));
        break;
    case E_MEETING_STORE_STATUS_COL:
        e_meeting_attendee_set_status (attendee, text_to_partstat (val));
        break;
    case E_MEETING_STORE_CN_COL:
        e_meeting_attendee_set_cn (attendee, g_strdup (val));
        break;
    case E_MEETING_STORE_LANGUAGE_COL:
        e_meeting_attendee_set_language (attendee, g_strdup (val));
        break;
    }
}

static gboolean
is_cell_editable (EMeetingStore *etm, int col, int row)
{
    EMeetingStore *store;
    EMeetingStorePrivate *priv;
    EMeetingAttendee *attendee;
    EMeetingAttendeeEditLevel level;
    
    store = E_MEETING_STORE (etm);  
    priv = store->priv;
    
    if (col == E_MEETING_STORE_DELTO_COL
        || col == E_MEETING_STORE_DELFROM_COL)
        return FALSE;
    
    if (row == -1)
        return TRUE;
    if (row >= priv->attendees->len)
        return TRUE;
    
    attendee = g_ptr_array_index (priv->attendees, row);
    level = e_meeting_attendee_get_edit_level (attendee);

    switch (level) {
    case E_MEETING_ATTENDEE_EDIT_FULL:
        return TRUE;
    case E_MEETING_ATTENDEE_EDIT_STATUS:
        return col == E_MEETING_STORE_STATUS_COL;
    case E_MEETING_ATTENDEE_EDIT_NONE:
        return FALSE;
    }

    return TRUE;
}

static void
refresh_queue_remove (EMeetingStore *store, EMeetingAttendee *attendee) 
{
    EMeetingStorePrivate *priv;
    EMeetingStoreQueueData *qdata;
    
    priv = store->priv;
    
    /* Free the queue data */
    qdata = g_hash_table_lookup (priv->refresh_data, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));
    if (qdata) {
        g_mutex_lock (priv->mutex);
        g_hash_table_remove (priv->refresh_data, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));
        g_mutex_unlock (priv->mutex);
        g_ptr_array_free (qdata->call_backs, TRUE);
        g_ptr_array_free (qdata->data, TRUE);
        g_free (qdata);
    }

    /* Unref the attendee */
    g_ptr_array_remove (priv->refresh_queue, attendee);
    g_object_unref (attendee);
}

static void
ems_finalize (GObject *obj)
{
    EMeetingStore *store = E_MEETING_STORE (obj);
    EMeetingStorePrivate *priv;
    int i;
    
    priv = store->priv;

    for (i = 0; i < priv->attendees->len; i++)
        g_object_unref (g_ptr_array_index (priv->attendees, i));
    g_ptr_array_free (priv->attendees, TRUE); 

    if (priv->client != NULL)
        g_object_unref (priv->client);

    if (priv->ebook != NULL)
        g_object_unref (priv->ebook);

    while (priv->refresh_queue->len > 0)
        refresh_queue_remove (store, g_ptr_array_index (priv->refresh_queue, 0));
    g_ptr_array_free (priv->refresh_queue, TRUE);
    g_hash_table_destroy (priv->refresh_data);
    
    if (priv->refresh_idle_id)
        g_source_remove (priv->refresh_idle_id);

    if (priv->callback_idle_id)
        g_source_remove (priv->callback_idle_id);

    g_free (priv->fb_uri);

    g_mutex_free (priv->mutex);

    g_async_queue_unref (priv->async_queue);
        
    g_free (priv);

    if (G_OBJECT_CLASS (parent_class)->finalize)
        (* G_OBJECT_CLASS (parent_class)->finalize) (obj);
}

static void
ems_class_init (GObjectClass *klass)
{
    parent_class = g_type_class_peek_parent (klass);

    klass->finalize = ems_finalize;
}


static void
ems_init (EMeetingStore *store)
{
    EMeetingStorePrivate *priv;

    priv = g_new0 (EMeetingStorePrivate, 1);

    store->priv = priv;

    priv->attendees = g_ptr_array_new ();
    
    priv->zone = calendar_config_get_icaltimezone ();

    priv->fb_uri = calendar_config_get_free_busy_template ();
    
    priv->refresh_queue = g_ptr_array_new ();
    priv->refresh_data = g_hash_table_new (g_str_hash, g_str_equal);

    priv->mutex = g_mutex_new ();

    priv->async_queue = g_async_queue_new ();

    start_addressbook_server (store);
}

GType
e_meeting_store_get_type (void)
{
    static GType ems_type = 0;

    if (!ems_type) {
        static const GTypeInfo ems_info = {
                sizeof (EMeetingStoreClass),
                NULL,           /* base_init */
                NULL,           /* base_finalize */
                (GClassInitFunc) ems_class_init,
                NULL,           /* class_finalize */
                NULL,           /* class_data */
                sizeof (EMeetingStore),
                0,
                (GInstanceInitFunc) ems_init };
                                                                                                                
        static const GInterfaceInfo tree_model_info = {
                (GInterfaceInitFunc) ems_tree_model_init,
                NULL,
                NULL };
                                                                                                                  
        ems_type = g_type_register_static (GTK_TYPE_LIST_STORE, 
                           "EMeetingStore",
                           &ems_info, 0);
 
        g_type_add_interface_static (ems_type, 
                         GTK_TYPE_TREE_MODEL, 
                         &tree_model_info);
    }

    return ems_type;
}

GObject *
e_meeting_store_new (void)
{
    return g_object_new (E_TYPE_MEETING_STORE, NULL);
}


ECal *
e_meeting_store_get_e_cal (EMeetingStore *store)
{
    return store->priv->client;
}

void
e_meeting_store_set_e_cal (EMeetingStore *store, ECal *client)
{
    if (store->priv->client != NULL)
        g_object_unref (store->priv->client);
    
    if (client != NULL)
        g_object_ref (client);
    store->priv->client = client;
}

icaltimezone *
e_meeting_store_get_zone (EMeetingStore *store)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (store), NULL);

    return store->priv->zone;
}

void
e_meeting_store_set_zone (EMeetingStore *store, icaltimezone *zone)
{
    g_return_if_fail (E_IS_MEETING_STORE (store));

    store->priv->zone = zone;
}

gchar *
e_meeting_store_get_fb_uri (EMeetingStore *store) 
{
    g_return_val_if_fail (E_IS_MEETING_STORE (store), NULL);

    return g_strdup (store->priv->fb_uri);
}

void 
e_meeting_store_set_fb_uri (EMeetingStore *store, const gchar *fb_uri)
{
    g_return_if_fail (E_IS_MEETING_STORE (store));

    g_free (store->priv->fb_uri);
    store->priv->fb_uri = g_strdup (fb_uri);
}

static void
attendee_changed_cb (EMeetingAttendee *attendee, gpointer data)
{
    EMeetingStore *store = E_MEETING_STORE (data);
    GtkTreePath *path;
    GtkTreeIter iter;
    gint row = -1, i;
                                                                               
    for (i = 0; i < store->priv->attendees->len; i++) {
        if (attendee == g_ptr_array_index (store->priv->attendees, i)) {
            row = i;
            break;
        }
    }
                                                                                      
    if (row == -1)
        return;

    path = gtk_tree_path_new ();
    gtk_tree_path_append_index (path, row);
    get_iter (GTK_TREE_MODEL (store), &iter, path);
    gtk_tree_model_row_changed (GTK_TREE_MODEL (store), path, &iter);
    gtk_tree_path_free (path);
}

void
e_meeting_store_add_attendee (EMeetingStore *store, EMeetingAttendee *attendee)
{
    GtkTreePath *path;
    GtkTreeIter iter;

    g_return_if_fail (E_IS_MEETING_STORE (store));

    g_object_ref (attendee);
    g_ptr_array_add (store->priv->attendees, attendee);

    g_signal_connect (attendee, "changed", G_CALLBACK (attendee_changed_cb), store);

    path = gtk_tree_path_new ();
    gtk_tree_path_append_index (path, store->priv->attendees->len - 1);
    get_iter (GTK_TREE_MODEL (store), &iter, path);
    gtk_tree_model_row_inserted (GTK_TREE_MODEL (store), path, &iter);
    gtk_tree_path_free (path);
}

EMeetingAttendee *
e_meeting_store_add_attendee_with_defaults (EMeetingStore *store)
{
    EMeetingAttendee *attendee;
    char *str;
    
    attendee = E_MEETING_ATTENDEE (e_meeting_attendee_new ());

    e_meeting_attendee_set_address (attendee, g_strdup (""));
    e_meeting_attendee_set_member (attendee, g_strdup (""));

    str = g_strdup (_("Individual"));
    e_meeting_attendee_set_cutype (attendee, text_to_type (str));
    g_free (str);
    str = g_strdup (_("Required Participant"));
    e_meeting_attendee_set_role (attendee, text_to_role (str));
    g_free (str);   
    str = g_strdup (_("Yes"));
    e_meeting_attendee_set_rsvp (attendee, text_to_boolean (str));
    g_free (str);
    
    e_meeting_attendee_set_delto (attendee, g_strdup (""));
    e_meeting_attendee_set_delfrom (attendee, g_strdup (""));

    str = g_strdup (_("Needs Action"));
    e_meeting_attendee_set_status (attendee, text_to_partstat (str));
    g_free (str);

    e_meeting_attendee_set_cn (attendee, g_strdup (""));
    e_meeting_attendee_set_language (attendee, g_strdup ("en"));

    e_meeting_store_add_attendee (store, attendee);

    return attendee;
}

void
e_meeting_store_remove_attendee (EMeetingStore *store, EMeetingAttendee *attendee)
{
    gint i, row = -1;
    GtkTreePath *path;

    for (i = 0; i < store->priv->attendees->len; i++) {
        if (attendee == g_ptr_array_index (store->priv->attendees, i)) {
            row = i;
            break;
        }
    }   
    
    if (row != -1) {

        g_ptr_array_remove_index (store->priv->attendees, row);     
        g_object_unref (attendee);

        path = gtk_tree_path_new ();
        gtk_tree_path_append_index (path, row);
        gtk_tree_model_row_deleted (GTK_TREE_MODEL (store), path);
        gtk_tree_path_free (path);
    }
}

void
e_meeting_store_remove_all_attendees (EMeetingStore *store)
{
    gint i;
    GtkTreePath *path = gtk_tree_path_new ();

    gtk_tree_path_append_index (path, 0);

    for (i = 0; i < store->priv->attendees->len; i++) {
        EMeetingAttendee *attendee = g_ptr_array_index (store->priv->attendees, i);
        g_object_unref (attendee);

        gtk_tree_model_row_deleted (GTK_TREE_MODEL (store), path);
        gtk_tree_path_next (path);
    }

    g_ptr_array_set_size (store->priv->attendees, 0);
    gtk_tree_path_free (path);
}

EMeetingAttendee *
e_meeting_store_find_attendee (EMeetingStore *store, const gchar *address, gint *row)
{
    EMeetingAttendee *attendee;
    int i;
    
    if (address == NULL)
        return NULL;
    
    for (i = 0; i < store->priv->attendees->len; i++) {
        const gchar *attendee_address;
        
        attendee = g_ptr_array_index (store->priv->attendees, i);
            
        attendee_address = e_meeting_attendee_get_address (attendee);
        if (attendee_address && !g_strcasecmp (itip_strip_mailto (attendee_address), itip_strip_mailto (address))) {
            if (row != NULL)
                *row = i;

            return attendee;
        }
    }

    return NULL;
}

EMeetingAttendee *
e_meeting_store_find_attendee_at_row (EMeetingStore *store, gint row)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (store), NULL);
    g_return_val_if_fail (ROW_VALID (store, row), NULL);

    return g_ptr_array_index (store->priv->attendees, row);
}

GtkTreePath *
e_meeting_store_find_attendee_path (EMeetingStore *store, EMeetingAttendee *attendee)
{
    GtkTreePath *path;
    gint row = -1, i;
                                                                               
    for (i = 0; i < store->priv->attendees->len; i++) {
        if (attendee == g_ptr_array_index (store->priv->attendees, i)) {
            row = i;
            break;
        }
    }
                                                                                      
    if (row == -1)
        return NULL;

    path = gtk_tree_path_new ();
    gtk_tree_path_append_index (path, row);

    return path;    
}

gint 
e_meeting_store_count_actual_attendees (EMeetingStore *store)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (store), 0);

    return store->priv->attendees->len; 
}

const GPtrArray *
e_meeting_store_get_attendees (EMeetingStore *store)
{
    g_return_val_if_fail (E_IS_MEETING_STORE (store), NULL);

    return store->priv->attendees;
}

static icaltimezone *
find_zone (icalproperty *ip, icalcomponent *tz_top_level)
{
    icalparameter *param;
    icalcomponent *sub_comp;
    const char *tzid;
    icalcompiter iter;

    if (tz_top_level == NULL)
        return NULL;
    
    param = icalproperty_get_first_parameter (ip, ICAL_TZID_PARAMETER);
    if (param == NULL)
        return NULL;
    tzid = icalparameter_get_tzid (param);

    iter = icalcomponent_begin_component (tz_top_level, ICAL_VTIMEZONE_COMPONENT);
    while ((sub_comp = icalcompiter_deref (&iter)) != NULL) {
        icalcomponent *clone;
        icalproperty *prop;
        const char *tz_tzid;

        prop = icalcomponent_get_first_property (sub_comp, ICAL_TZID_PROPERTY);
        tz_tzid = icalproperty_get_tzid (prop);
        if (!strcmp (tzid, tz_tzid)) {
            icaltimezone *zone;

            zone = icaltimezone_new ();
            clone = icalcomponent_new_clone (sub_comp);
            icaltimezone_set_component (zone, clone);
            
            return zone;
        }
        
        icalcompiter_next (&iter);
    }

    return NULL;
}

typedef struct {
    EMeetingStoreRefreshCallback call_back;
    gpointer *data;
} QueueCbData;

/* Process the callbacks in the main thread. Avoids widget redrawing issues. */
static gboolean
process_callbacks_main_thread (EMeetingStore *store)
{
    EMeetingStorePrivate *priv;
    QueueCbData *aqueue_data;
    gboolean threads_done = FALSE;

    priv = store->priv;

    g_mutex_lock (priv->mutex);
    if (priv->num_threads == 0) {
        threads_done = TRUE;
        priv->callback_idle_id = 0;
    }
    g_mutex_unlock (priv->mutex);

    while ((aqueue_data = g_async_queue_try_pop (priv->async_queue)) != NULL) {
        aqueue_data->call_back (aqueue_data->data);

        g_free (aqueue_data);
    }

        return !threads_done;
}

static void
process_callbacks (EMeetingStoreQueueData *qdata) 
{
    EMeetingStore *store;
    int i;

    store = qdata->store;

    for (i = 0; i < qdata->call_backs->len; i++) {
        QueueCbData *aqueue_data = g_new0 (QueueCbData, 1);

        aqueue_data->call_back = g_ptr_array_index (qdata->call_backs, i);
        aqueue_data->data = g_ptr_array_index (qdata->data, i);

        g_async_queue_push (store->priv->async_queue, aqueue_data);
    }

    g_mutex_lock (store->priv->mutex);
    store->priv->num_threads--;
    g_mutex_unlock (store->priv->mutex);

    refresh_queue_remove (qdata->store, qdata->attendee);
    g_async_queue_unref (store->priv->async_queue);
    g_object_unref (store);
}

static void
process_free_busy_comp (EMeetingAttendee *attendee,
            icalcomponent *fb_comp,
            icaltimezone *zone,
            icalcomponent *tz_top_level)
{
    icalproperty *ip;
    
    ip = icalcomponent_get_first_property (fb_comp, ICAL_DTSTART_PROPERTY);
    if (ip != NULL) {
        struct icaltimetype dtstart;
        icaltimezone *ds_zone;
        
        dtstart = icalproperty_get_dtstart (ip);
        if (!dtstart.is_utc)
            ds_zone = find_zone (ip, tz_top_level);
        else
            ds_zone = icaltimezone_get_utc_timezone ();
        icaltimezone_convert_time (&dtstart, ds_zone, zone);
        e_meeting_attendee_set_start_busy_range (attendee,
                             dtstart.year,
                             dtstart.month,
                             dtstart.day,
                             dtstart.hour,
                             dtstart.minute);
    }
    
    ip = icalcomponent_get_first_property (fb_comp, ICAL_DTEND_PROPERTY);
    if (ip != NULL) {
        struct icaltimetype dtend;
        icaltimezone *de_zone;
        
        dtend = icalproperty_get_dtend (ip);
        if (!dtend.is_utc)
            de_zone = find_zone (ip, tz_top_level);
        else
            de_zone = icaltimezone_get_utc_timezone ();
        icaltimezone_convert_time (&dtend, de_zone, zone);
        e_meeting_attendee_set_end_busy_range (attendee,
                               dtend.year,
                               dtend.month,
                               dtend.day,
                               dtend.hour,
                               dtend.minute);
    }
    
    ip = icalcomponent_get_first_property (fb_comp, ICAL_FREEBUSY_PROPERTY);
    while (ip != NULL) {
        icalparameter *param;
        struct icalperiodtype fb;
        EMeetingFreeBusyType busy_type = E_MEETING_FREE_BUSY_LAST;
        icalparameter_fbtype fbtype = ICAL_FBTYPE_BUSY;
            
        fb = icalproperty_get_freebusy (ip);
        param = icalproperty_get_first_parameter (ip, ICAL_FBTYPE_PARAMETER);
        if (param != NULL)
            fbtype =  icalparameter_get_fbtype (param);
            
        switch (fbtype) {
        case ICAL_FBTYPE_BUSY:
            busy_type = E_MEETING_FREE_BUSY_BUSY;
            break;

        case ICAL_FBTYPE_BUSYUNAVAILABLE:
            busy_type = E_MEETING_FREE_BUSY_OUT_OF_OFFICE;
            break;

        case ICAL_FBTYPE_BUSYTENTATIVE:
            busy_type = E_MEETING_FREE_BUSY_TENTATIVE;
            break;

        default:
            break;
        }
            
        if (busy_type != E_MEETING_FREE_BUSY_LAST) {
            icaltimezone *utc_zone = icaltimezone_get_utc_timezone ();

            icaltimezone_convert_time (&fb.start, utc_zone, zone);
            icaltimezone_convert_time (&fb.end, utc_zone, zone);
            e_meeting_attendee_add_busy_period (attendee,
                                fb.start.year,
                                fb.start.month,
                                fb.start.day,
                                fb.start.hour,
                                fb.start.minute,
                                fb.end.year,
                                fb.end.month,
                                fb.end.day,
                                fb.end.hour,
                                fb.end.minute,
                                busy_type);
        }
        
        ip = icalcomponent_get_next_property (fb_comp, ICAL_FREEBUSY_PROPERTY);
    }
}

static void
process_free_busy (EMeetingStoreQueueData *qdata, char *text)
{
    EMeetingStore *store = qdata->store;
    EMeetingStorePrivate *priv;
    EMeetingAttendee *attendee = qdata->attendee;
    icalcomponent *main_comp;
    icalcomponent_kind kind = ICAL_NO_COMPONENT;

    priv = store->priv;

    main_comp = icalparser_parse_string (text);
    if (main_comp == NULL) {
        process_callbacks (qdata);
        return;
    }

    kind = icalcomponent_isa (main_comp);
    if (kind == ICAL_VCALENDAR_COMPONENT) { 
        icalcompiter iter;
        icalcomponent *tz_top_level, *sub_comp;

        tz_top_level = e_cal_util_new_top_level ();
        
        iter = icalcomponent_begin_component (main_comp, ICAL_VTIMEZONE_COMPONENT);
        while ((sub_comp = icalcompiter_deref (&iter)) != NULL) {
            icalcomponent *clone;
            
            clone = icalcomponent_new_clone (sub_comp);
            icalcomponent_add_component (tz_top_level, clone);
            
            icalcompiter_next (&iter);
        }

        iter = icalcomponent_begin_component (main_comp, ICAL_VFREEBUSY_COMPONENT);
        while ((sub_comp = icalcompiter_deref (&iter)) != NULL) {
            process_free_busy_comp (attendee, sub_comp, priv->zone, tz_top_level);

            icalcompiter_next (&iter);
        }
        icalcomponent_free (tz_top_level);
    } else if (kind == ICAL_VFREEBUSY_COMPONENT) {
        process_free_busy_comp (attendee, main_comp, priv->zone, NULL);
    }
    
    icalcomponent_free (main_comp);

    process_callbacks (qdata);
}

/* 
 * Replace all instances of from_value in string with to_value 
 * In the returned newly allocated string. 
*/
static gchar *
replace_string (gchar *string, gchar *from_value, gchar *to_value)
{
    gchar *replaced;
    gchar **split_uri;

    split_uri = g_strsplit (string, from_value, 0);
    replaced = g_strjoinv (to_value, split_uri);
    g_strfreev (split_uri);

    return replaced;
}

typedef struct {
    ECal *client;
    time_t startt;
    time_t endt;
    GList *users;
    GList *fb_data;
    char *fb_uri;
    char *email;
    EMeetingAttendee *attendee;
    EMeetingStoreQueueData *qdata;
} FreeBusyAsyncData;

#define USER_SUB   "%u"
#define DOMAIN_SUB "%d"

static gboolean
freebusy_async (gpointer data)
{
    FreeBusyAsyncData *fbd = data;
    EMeetingAttendee *attendee = fbd->attendee;
    gchar *default_fb_uri;
    static GStaticMutex mutex = G_STATIC_MUTEX_INIT;

    if (fbd->client) {
        /* FIXME this a work around for getting all th free busy information for the users 
         we should be able to get free busy asynchronously */
        g_mutex_lock (&mutex);      
        e_cal_get_free_busy (fbd->client, fbd->users, fbd->startt, fbd->endt, &(fbd->fb_data), NULL);
        g_mutex_unlock (&mutex);        

        g_list_foreach (fbd->users, (GFunc)g_free, NULL);
        g_list_free (fbd->users);

        if (fbd->fb_data != NULL) {
            ECalComponent *comp = fbd->fb_data->data;
            char *comp_str;
                
            comp_str = e_cal_component_get_as_string (comp);
            process_free_busy (fbd->qdata, comp_str);
            g_free (comp_str);

            return TRUE;
        }
    }

    /* Look for fburl's of attendee with no free busy info on server */
    if (!e_meeting_attendee_is_set_address (attendee)) {
        process_callbacks (fbd->qdata);
        return TRUE;
    }

    

    /* Check for free busy info on the default server */
    default_fb_uri = g_strdup (fbd->fb_uri);

    if (default_fb_uri != NULL && !g_str_equal (default_fb_uri, "")) {
        GnomeVFSAsyncHandle *handle;
        gchar *tmp_fb_uri;
        gchar **split_email;
        
        split_email = g_strsplit (fbd->email, "@", 2);

        tmp_fb_uri = replace_string (default_fb_uri, USER_SUB, split_email[0]);
        g_free (default_fb_uri);
        default_fb_uri = replace_string (tmp_fb_uri, DOMAIN_SUB, split_email[1]);

        gnome_vfs_async_open (&handle, default_fb_uri, GNOME_VFS_OPEN_READ, 
                      GNOME_VFS_PRIORITY_DEFAULT, start_async_read, 
                      fbd->qdata);
        
        g_free (tmp_fb_uri);
        g_strfreev (split_email);
        g_free (default_fb_uri);
    } else {
        process_callbacks (fbd->qdata);
    }

    return TRUE;


}

#undef USER_SUB
#undef DOMAIN_SUB


static gboolean
refresh_busy_periods (gpointer data)
{   
    EMeetingStore *store = E_MEETING_STORE (data);
    EMeetingStorePrivate *priv;
    EMeetingAttendee *attendee = NULL;
    EMeetingStoreQueueData *qdata = NULL;
    int i;
    GThread *thread;
    GError *error = NULL;
    FreeBusyAsyncData *fbd;
    
    priv = store->priv;

    /* Check to see if there are any remaining attendees in the queue */
    for (i = 0; i < priv->refresh_queue->len; i++) {
        attendee = g_ptr_array_index (priv->refresh_queue, i);
        g_assert (attendee != NULL);

        qdata = g_hash_table_lookup (priv->refresh_data, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));
        if (!qdata)
            continue;

        if (!qdata->refreshing)
            break;
    }

    /* The everything in the queue is being refreshed */
    if (i >= priv->refresh_queue->len) {
        priv->refresh_idle_id = 0;
        return FALSE;
    }
    
    /* Indicate we are trying to refresh it */
    qdata->refreshing = TRUE;

    /* We take a ref in case we get destroyed in the gui during a callback */
    g_object_ref (qdata->store);
    
    fbd = g_new0 (FreeBusyAsyncData, 1);
    fbd->client = priv->client;
    fbd->attendee = attendee;
    fbd->users = NULL;
    fbd->fb_data = NULL;    
    fbd->qdata = qdata;
    fbd->fb_uri = priv->fb_uri;
    fbd->email = g_strdup (itip_strip_mailto (e_meeting_attendee_get_address (attendee)));

    /* Check the server for free busy data */   
    if (priv->client) {
        struct icaltimetype itt;
                
        itt = icaltime_null_time ();
        itt.year = g_date_year (&qdata->start.date);
        itt.month = g_date_month (&qdata->start.date);
        itt.day = g_date_day (&qdata->start.date);
        itt.hour = qdata->start.hour;
        itt.minute = qdata->start.minute;
        fbd->startt = icaltime_as_timet_with_zone (itt, priv->zone);

        itt = icaltime_null_time ();
        itt.year = g_date_year (&qdata->end.date);
        itt.month = g_date_month (&qdata->end.date);
        itt.day = g_date_day (&qdata->end.date);
        itt.hour = qdata->end.hour;
        itt.minute = qdata->end.minute;
        fbd->endt = icaltime_as_timet_with_zone (itt, priv->zone);
        fbd->qdata = qdata;

        fbd->users = g_list_append (fbd->users, g_strdup (fbd->email));

    }


    g_async_queue_ref (priv->async_queue);

    g_mutex_lock (store->priv->mutex);
    store->priv->num_threads++;
    g_mutex_unlock (store->priv->mutex);

    thread = g_thread_create ((GThreadFunc) freebusy_async, fbd, FALSE, &error);
    if (!thread) {
        /* do clean up stuff here */
        g_list_foreach (fbd->users, (GFunc)g_free, NULL);
        g_list_free (fbd->users);
        g_free (fbd->email);
        priv->refresh_idle_id = 0;

        g_async_queue_unref (priv->async_queue);

        g_mutex_lock (store->priv->mutex);
        store->priv->num_threads--;
        g_mutex_unlock (store->priv->mutex);

        return FALSE;
    } else if (priv->callback_idle_id == 0) {
        priv->callback_idle_id = g_idle_add (process_callbacks_main_thread, 
                             store);
    }
    return TRUE;
}
        
static void
refresh_queue_add (EMeetingStore *store, int row,
           EMeetingTime *start,
           EMeetingTime *end,
           EMeetingStoreRefreshCallback call_back,
           gpointer data) 
{
    EMeetingStorePrivate *priv;
    EMeetingAttendee *attendee;
    EMeetingStoreQueueData *qdata;
    int i;

    priv = store->priv;

    attendee = g_ptr_array_index (priv->attendees, row);
    if ((attendee == NULL) || !strcmp (itip_strip_mailto (e_meeting_attendee_get_address (attendee)), ""))
        return;

    /* check the queue if the attendee is already in there*/
    for (i = 0; i < priv->refresh_queue->len; i++) {
        if (attendee == g_ptr_array_index (priv->refresh_queue, i))
            return;     

        if (!strcmp (e_meeting_attendee_get_address (attendee), e_meeting_attendee_get_address (g_ptr_array_index (priv->refresh_queue, i))))
            return;
    }

    g_mutex_lock (priv->mutex);
    qdata = g_hash_table_lookup (priv->refresh_data, itip_strip_mailto (e_meeting_attendee_get_address (attendee)));

    if (qdata == NULL) {
        qdata = g_new0 (EMeetingStoreQueueData, 1);

        qdata->store = store;
        qdata->attendee = attendee;
        e_meeting_attendee_clear_busy_periods (attendee);
        e_meeting_attendee_set_has_calendar_info (attendee, FALSE);

            qdata->start = *start;
            qdata->end = *end;
        qdata->string = g_string_new (NULL);
        qdata->call_backs = g_ptr_array_new ();
        qdata->data = g_ptr_array_new ();
        g_ptr_array_add (qdata->call_backs, call_back);
        g_ptr_array_add (qdata->data, data);

        g_hash_table_insert (priv->refresh_data, itip_strip_mailto (e_meeting_attendee_get_address (attendee)), qdata);
    } else {
        if (e_meeting_time_compare_times (start, &qdata->start) == -1)
            qdata->start = *start;
        if (e_meeting_time_compare_times (end, &qdata->end) == -1)
            qdata->end = *end;
        g_ptr_array_add (qdata->call_backs, call_back);
        g_ptr_array_add (qdata->data, data);
    }
    g_mutex_unlock (priv->mutex);


    g_object_ref (attendee);
    g_ptr_array_add (priv->refresh_queue, attendee);

    if (priv->refresh_idle_id == 0)
        priv->refresh_idle_id = g_idle_add (refresh_busy_periods, store);
}

static void
async_close (GnomeVFSAsyncHandle *handle,
         GnomeVFSResult result,
         gpointer data)
{
    EMeetingStoreQueueData *qdata = data;

    process_free_busy (qdata, qdata->string->str);
}

static void
async_read (GnomeVFSAsyncHandle *handle,
        GnomeVFSResult result,
        gpointer buffer,
        GnomeVFSFileSize requested,
        GnomeVFSFileSize read,
        gpointer data)
{
    EMeetingStoreQueueData *qdata = data;
    GnomeVFSFileSize buf_size = BUF_SIZE - 1;

    if (result != GNOME_VFS_OK && result != GNOME_VFS_ERROR_EOF) {
        gnome_vfs_async_close (handle, async_close, qdata);
        return;
    }
    
    ((char *)buffer)[read] = '\0';
    qdata->string = g_string_append (qdata->string, buffer);
    
    if (result == GNOME_VFS_ERROR_EOF) {
        gnome_vfs_async_close (handle, async_close, qdata);
        return;
    }

    gnome_vfs_async_read (handle, qdata->buffer, buf_size, async_read, qdata);  
}

static void
start_async_read (GnomeVFSAsyncHandle *handle,
          GnomeVFSResult result,
          gpointer data)
{
    EMeetingStoreQueueData *qdata = data;
    GnomeVFSFileSize buf_size = BUF_SIZE - 1;

    if (result != GNOME_VFS_OK) {
        g_warning ("Unable to access free/busy url: %s",
               gnome_vfs_result_to_string (result));
        process_callbacks (qdata);
        return;
    }

    gnome_vfs_async_read (handle, qdata->buffer, buf_size, async_read, qdata);
}

void
e_meeting_store_refresh_all_busy_periods (EMeetingStore *store,
                      EMeetingTime *start,
                      EMeetingTime *end,
                      EMeetingStoreRefreshCallback call_back,
                      gpointer data)
{
    int i;
    
    g_return_if_fail (E_IS_MEETING_STORE (store));
    
    for (i = 0; i < store->priv->attendees->len; i++)
        refresh_queue_add (store, i, start, end, call_back, data);
}

void 
e_meeting_store_refresh_busy_periods (EMeetingStore *store,
                      int row,
                      EMeetingTime *start,
                      EMeetingTime *end,
                      EMeetingStoreRefreshCallback call_back,
                      gpointer data)
{
    g_return_if_fail (E_IS_MEETING_STORE (store));

    refresh_queue_add (store, row, start, end, call_back, data);
}