aboutsummaryrefslogtreecommitdiffstats
path: root/mail/message-list.c
blob: f2565866d41667b353d4d0d1cad27d5b094059cc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
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
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * message-list.c: Displays the messages.
 *                 Implements CORBA's Evolution::MessageList
 *
 * Author:
 *     Miguel de Icaza (miguel@helixcode.com)
 *     Bertrand Guiheneuf (bg@aful.org)
 *
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>
#include <gnome.h>
#include <bonobo/bonobo-main.h>
#include "e-util/e-util.h"
#include "e-util/e-gui-utils.h"
#include "camel/camel-exception.h"
#include <camel/camel-folder.h>
#include "message-list.h"
#include "message-thread.h"
#include "Mail.h"
#include "widgets/e-table/e-table-header-item.h"
#include "widgets/e-table/e-table-item.h"

#include "art/mail-new.xpm"
#include "art/mail-read.xpm"
#include "art/mail-replied.xpm"
#include "art/attachment.xpm"
#include "art/empty.xpm"
#include "art/tree-expanded.xpm"
#include "art/tree-unexpanded.xpm"

/*
 * Default sizes for the ETable display
 *
 */
#define N_CHARS(x) (CHAR_WIDTH * (x))

#define COL_ICON_WIDTH         (16)
#define COL_CHECK_BOX_WIDTH    (16)
#define COL_FROM_EXPANSION     (24.0)
#define COL_FROM_WIDTH_MIN     (32)
#define COL_SUBJECT_EXPANSION  (30.0)
#define COL_SUBJECT_WIDTH_MIN  (32)
#define COL_SENT_EXPANSION     (24.0)
#define COL_SENT_WIDTH_MIN     (32)
#define COL_RECEIVED_EXPANSION (20.0)
#define COL_RECEIVED_WIDTH_MIN (32)
#define COL_TO_EXPANSION       (24.0)
#define COL_TO_WIDTH_MIN       (32)
#define COL_SIZE_EXPANSION     (6.0)
#define COL_SIZE_WIDTH_MIN     (32)

#define PARENT_TYPE (bonobo_object_get_type ())

static BonoboObjectClass *message_list_parent_class;
static POA_Evolution_MessageList__vepv evolution_message_list_vepv;

static void on_cursor_change_cmd (ETableScrolled *table, int row, gpointer user_data);
static void select_row (ETableScrolled *table, gpointer user_data);
static void select_msg (MessageList *message_list, gint row);
static char *filter_date (const void *data);

static struct {
    char **image_base;
    GdkPixbuf  *pixbuf;
} states_pixmaps [] = {
    { mail_new_xpm,     NULL },
    { mail_read_xpm,    NULL },
    { mail_replied_xpm, NULL },
    { empty_xpm,        NULL },
    { attachment_xpm,   NULL },
    { tree_expanded_xpm,    NULL },
    { tree_unexpanded_xpm,  NULL },
    { NULL,         NULL }
};

/* Gets the CamelMessageInfo for the message displayed at the given
 * view row.
 */
static const CamelMessageInfo *
get_message_info (MessageList *message_list, int row)
{
    ETreeModel *model = (ETreeModel *)message_list->table_model;
    ETreePath *node;
    char *uid;

    if (row >= e_table_model_row_count (message_list->table_model))
        return NULL;

    node = e_tree_model_node_at_row (model, row);
    g_return_val_if_fail (node != NULL, NULL);
    uid = e_tree_model_node_get_data (model, node);

    if (strncmp (uid, "uid:", 4) != 0)
        return NULL;
    uid += 4;

    return camel_folder_get_message_info (message_list->folder, uid);
}

/**
 * message_list_select:
 * @message_list: a MessageList
 * @base_row: the row to start from
 * @direction: the direction to search in
 * @flags: a set of flag values
 * @mask: a mask for comparing against @flags
 *
 * This moves the message list selection to a suitable row. @base_row
 * lists the first row to try, and @flags and @mask combine to specify
 * what constitutes a suitable row. @direction is
 * %MESSAGE_LIST_SELECT_NEXT if it should find the next matching
 * message, or %MESSAGE_LIST_SELECT_PREVIOUS if it should find the
 * previous. If no suitable row is found, the selection will be
 * unchanged but the message display will be cleared.
 **/
void
message_list_select (MessageList *message_list, int base_row,
             MessageListSelectDirection direction,
             guint32 flags, guint32 mask)
{
    const CamelMessageInfo *info;
    int last;

    if (direction == MESSAGE_LIST_SELECT_PREVIOUS)
        last = 0;
    else
        last = e_table_model_row_count (message_list->table_model);

    while (base_row != last) {
        base_row += direction;
        info = get_message_info (message_list, base_row);
        if (info && (info->flags & mask) == flags) {
            e_table_scrolled_set_cursor_row (E_TABLE_SCROLLED (message_list->etable),
                             base_row);
            return;
        }
    }

    mail_display_set_message (message_list->parent_folder_browser->mail_display, NULL);
}

static gint
mark_msg_seen (gpointer data)
{
    MessageList *ml = data;
    guint32 flags;

    if (!ml->cursor_uid)
        return FALSE;

    flags = camel_folder_get_message_flags (ml->folder, ml->cursor_uid);
    camel_folder_set_message_flags (ml->folder, ml->cursor_uid,
                    CAMEL_MESSAGE_SEEN,
                    CAMEL_MESSAGE_SEEN);
    return FALSE;
}

/* select a message and display it */
static void
select_msg (MessageList *message_list, gint row)
{
    CamelException ex;
    CamelMimeMessage *message;
    const CamelMessageInfo *msg_info;
    MailDisplay *md = message_list->parent_folder_browser->mail_display;

    camel_exception_init (&ex);

    msg_info = get_message_info (message_list, row);
    if (msg_info) {
        message = camel_folder_get_message (message_list->folder, 
                            msg_info->uid, &ex);
        if (camel_exception_get_id (&ex)) {
            printf ("Unable to get message: %s\n",
                ex.desc?ex.desc:"unknown_reason");
            return;
        }

        if (message_list->seen_id)
            gtk_timeout_remove (message_list->seen_id);

        mail_display_set_message (md, CAMEL_MEDIUM (message));
        gtk_object_unref (GTK_OBJECT (message));

        message_list->seen_id =
            gtk_timeout_add (1500, mark_msg_seen, message_list);
    } else
        mail_display_set_message (md, NULL);
}


static GdkPixbuf *
ml_tree_icon_at (ETreeModel *etm, ETreePath *path, void *model_data)
{
    /* we dont really need an icon ... */
    return NULL;
}

static void *
ml_tree_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data)
{
    MessageList *message_list = model_data;
    const CamelMessageInfo *msg_info;
    static char buffer [10];
    char *uid;

    /* retrieve the message information array */
    uid = e_tree_model_node_get_data (etm, path);
    if (strncmp (uid, "uid:", 4) != 0)
        goto fake;
    uid += 4;

    msg_info = camel_folder_get_message_info (message_list->folder, uid);
    g_return_val_if_fail (msg_info != NULL, NULL);

    switch (col){
    case COL_ONLINE_STATUS:
        return GINT_TO_POINTER (0);
        
    case COL_MESSAGE_STATUS:
        if (msg_info->flags & CAMEL_MESSAGE_ANSWERED)
            return GINT_TO_POINTER (2);
        else if (msg_info->flags & CAMEL_MESSAGE_SEEN)
            return GINT_TO_POINTER (1);
        else
            return GINT_TO_POINTER (0);
        
    case COL_PRIORITY:
        return GINT_TO_POINTER (1);
        
    case COL_ATTACHMENT:
        return GINT_TO_POINTER (0);
        
    case COL_FROM:
        if (msg_info->from)
            return msg_info->from;
        else
            return "";
        
    case COL_SUBJECT:
        if (msg_info->subject)
            return msg_info->subject;
        else
            return "";
        
    case COL_SENT:
        return GINT_TO_POINTER (msg_info->date_sent);
        
    case COL_RECEIVED:
        return GINT_TO_POINTER (msg_info->date_received);
        
    case COL_TO:
        if (msg_info->to)
            return msg_info->to;
        else
            return "";
        
    case COL_SIZE:
        sprintf (buffer, "%d", msg_info->size);
        return buffer;
            
    case COL_DELETED:
        return GINT_TO_POINTER(!!(msg_info->flags & CAMEL_MESSAGE_DELETED));

    case COL_UNREAD:
        return GINT_TO_POINTER(!(msg_info->flags & CAMEL_MESSAGE_SEEN));
    }

    g_assert_not_reached ();

 fake:
    /* This is a fake tree parent */
    switch (col){
    case COL_ONLINE_STATUS:
    case COL_MESSAGE_STATUS:
    case COL_PRIORITY:
    case COL_ATTACHMENT:
    case COL_DELETED:
    case COL_UNREAD:
    case COL_SENT:
    case COL_RECEIVED:
        return (void *) 0;

    case COL_SUBJECT:
        return strchr (uid, ':') + 1;

    case COL_FROM:
    case COL_TO:
    case COL_SIZE:
        return "?";
    }
    g_assert_not_reached ();

    return NULL;
}

static void
ml_tree_set_value_at (ETreeModel *etm, ETreePath *path, int col,
              const void *val, void *model_data)
{
    MessageList *message_list = model_data;
    const CamelMessageInfo *msg_info;
    char *uid;

    if (col != COL_MESSAGE_STATUS)
        return;

    uid = e_tree_model_node_get_data (etm, path);
    if (strncmp (uid, "uid:", 4) != 0)
        return;
    uid += 4;

    msg_info = camel_folder_get_message_info (message_list->folder, uid);
    if (!msg_info)
        return;

    camel_folder_set_message_flags (message_list->folder, msg_info->uid,
                    CAMEL_MESSAGE_SEEN, ~msg_info->flags);
    if (message_list->seen_id) {
        gtk_timeout_remove (message_list->seen_id);
        message_list->seen_id = 0;
    }
}

static gboolean
ml_tree_is_cell_editable (ETreeModel *etm, ETreePath *path, int col, void *model_data)
{
    return col == COL_MESSAGE_STATUS;
}

static void
message_list_init_images (void)
{
    int i;

    /*
     * Only load once, and share
     */
    if (states_pixmaps [0].pixbuf)
        return;
    
    for (i = 0; states_pixmaps [i].image_base; i++){
        states_pixmaps [i].pixbuf = gdk_pixbuf_new_from_xpm_data (
            (const char **) states_pixmaps [i].image_base);
    }
}

static char *
filter_date (const void *data)
{
    time_t date = GPOINTER_TO_INT (data);
    char buf[26], *p;

    if (date == 0)
        return g_strdup ("?");

#ifdef CTIME_R_THREE_ARGS
    ctime_r (&date, buf, 26);
#else
    ctime_r (&date, buf);
#endif

    p = strchr (buf, '\n');
    if (p)
        *p = '\0';

    return g_strdup (buf);
}

static void
message_list_init_renderers (MessageList *message_list)
{
    GdkPixbuf *images [3];

    g_assert (message_list);
    g_assert (message_list->table_model);

    message_list->render_text = e_cell_text_new (
        message_list->table_model,
        NULL, GTK_JUSTIFY_LEFT);

    gtk_object_set(GTK_OBJECT(message_list->render_text),
               "strikeout_column", COL_DELETED,
               NULL);
    gtk_object_set(GTK_OBJECT(message_list->render_text),
               "bold_column", COL_UNREAD,
               NULL);

    message_list->render_date = e_cell_text_new (
        message_list->table_model,
        NULL, GTK_JUSTIFY_LEFT);

    gtk_object_set(GTK_OBJECT(message_list->render_date),
               "text_filter", filter_date,
               NULL);
    gtk_object_set(GTK_OBJECT(message_list->render_date),
               "strikeout_column", COL_DELETED,
               NULL);
    gtk_object_set(GTK_OBJECT(message_list->render_date),
               "bold_column", COL_UNREAD,
               NULL);

    message_list->render_online_status = e_cell_checkbox_new ();

    /*
     * Message status
     */
    images [0] = states_pixmaps [0].pixbuf;
    images [1] = states_pixmaps [1].pixbuf;
    images [2] = states_pixmaps [2].pixbuf;

    message_list->render_message_status = e_cell_toggle_new (0, 3, images);

    /*
     * Attachment
     */
    images [0] = states_pixmaps [3].pixbuf;
    images [1] = states_pixmaps [4].pixbuf;

    message_list->render_attachment = e_cell_toggle_new (0, 2, images);
    
    /*
     * FIXME: We need a real renderer here
     */
    message_list->render_priority = e_cell_checkbox_new ();

    /*
     * for tree view
     */
    message_list->render_tree =
        e_cell_tree_new (message_list->table_model,
                 states_pixmaps[5].pixbuf,
                 states_pixmaps[6].pixbuf,
                 TRUE, message_list->render_text);
}

static void
message_list_init_header (MessageList *message_list)
{
    int i;
    
    /*
     * FIXME:
     *
     * Use the font metric to compute this.
     */
    
    message_list->header_model = e_table_header_new ();
    gtk_object_ref (GTK_OBJECT (message_list->header_model));
    gtk_object_sink (GTK_OBJECT (message_list->header_model));

    message_list->table_cols [COL_ONLINE_STATUS] =
        e_table_col_new (
            COL_ONLINE_STATUS, _("Online Status"),
            0.0, COL_CHECK_BOX_WIDTH,
            message_list->render_online_status,
            g_int_compare, FALSE);
    
    message_list->table_cols [COL_MESSAGE_STATUS] =
        e_table_col_new_with_pixbuf (
            COL_MESSAGE_STATUS, states_pixmaps [0].pixbuf,
            0.0, COL_CHECK_BOX_WIDTH,
            message_list->render_message_status, 
            g_int_compare, FALSE);

    gtk_object_set(GTK_OBJECT(message_list->table_cols[COL_MESSAGE_STATUS]),
               "sortable", FALSE,
               NULL);

    message_list->table_cols [COL_PRIORITY] =
        e_table_col_new (
            COL_PRIORITY, _("Priority"),
            0.0, COL_CHECK_BOX_WIDTH,
            message_list->render_priority,
            g_int_compare, FALSE);
    
    message_list->table_cols [COL_ATTACHMENT] =
        e_table_col_new_with_pixbuf (
            COL_ATTACHMENT, states_pixmaps [4].pixbuf,
            0.0, COL_ICON_WIDTH,
            message_list->render_attachment,
            g_int_compare, FALSE);

    gtk_object_set(GTK_OBJECT(message_list->table_cols[COL_ATTACHMENT]),
               "sortable", FALSE,
               NULL);

    message_list->table_cols [COL_FROM] =
        e_table_col_new (
            COL_FROM, _("From"),
            COL_FROM_EXPANSION, COL_FROM_WIDTH_MIN,
            message_list->render_text,
            g_str_compare, TRUE);

    message_list->table_cols [COL_SUBJECT] =
        e_table_col_new (
            COL_SUBJECT, _("Subject"),
            COL_SUBJECT_EXPANSION, COL_SUBJECT_WIDTH_MIN,
            message_list->render_tree,
            g_str_compare, TRUE);

    message_list->table_cols [COL_SENT] =
        e_table_col_new (
            COL_SENT, _("Date"),
            COL_SENT_EXPANSION, COL_SENT_WIDTH_MIN,
            message_list->render_date,
            g_int_compare, TRUE);
    
    message_list->table_cols [COL_RECEIVED] =
        e_table_col_new (
            COL_RECEIVED, _("Received"),
            COL_RECEIVED_EXPANSION, COL_RECEIVED_WIDTH_MIN,
            message_list->render_date,
            g_int_compare, TRUE);

    message_list->table_cols [COL_TO] =
        e_table_col_new (
            COL_TO, _("To"),
            COL_TO_EXPANSION, COL_TO_WIDTH_MIN,
            message_list->render_text,
            g_str_compare, TRUE);

    message_list->table_cols [COL_SIZE] =
        e_table_col_new (
            COL_SIZE, _("Size"),
            COL_SIZE_EXPANSION, COL_SIZE_WIDTH_MIN,
            message_list->render_text,
            g_str_compare, TRUE);
    
    for (i = 0; i < COL_LAST; i++) {
        gtk_object_ref (GTK_OBJECT (message_list->table_cols [i]));
        e_table_header_add_column (message_list->header_model,
                       message_list->table_cols [i], i);
    }
}

static char *
message_list_get_layout (MessageList *message_list)
{
    /* Message status, From, Subject, Sent Date */
    return g_strdup ("<ETableSpecification> <columns-shown> <column> 1 </column> <column> 4 </column> <column> 5 </column> <column> 6 </column> </columns-shown> <grouping> </grouping> </ETableSpecification>");
}

/*
 * GtkObject::init
 */
static void
message_list_init (GtkObject *object)
{
    MessageList *message_list = MESSAGE_LIST (object);
    char *spec;

    message_list->table_model = (ETableModel *)
        e_tree_simple_new (ml_tree_icon_at, ml_tree_value_at,
                   ml_tree_set_value_at,
                   ml_tree_is_cell_editable,
                   message_list);
    e_tree_model_root_node_set_visible ((ETreeModel *)message_list->table_model, FALSE);

    message_list_init_renderers (message_list);
    message_list_init_header (message_list);

    /*
     * The etable
     */

    spec = message_list_get_layout (message_list);
    message_list->etable = e_table_scrolled_new (
        message_list->header_model, message_list->table_model, spec);
    g_free (spec);

    gtk_object_set(GTK_OBJECT(message_list->etable),
               "cursor_mode", E_TABLE_CURSOR_LINE,
               "drawfocus", FALSE,
               "drawgrid", FALSE,
               NULL);

    gtk_signal_connect (GTK_OBJECT (message_list->etable), "realize",
                GTK_SIGNAL_FUNC (select_row), message_list);
    
    gtk_signal_connect (GTK_OBJECT (message_list->etable), "cursor_change",
               GTK_SIGNAL_FUNC (on_cursor_change_cmd), message_list);

    gtk_widget_show (message_list->etable);
    
    gtk_object_ref (GTK_OBJECT (message_list->table_model));
    gtk_object_sink (GTK_OBJECT (message_list->table_model));
    
    /*
     * We do own the Etable, not some widget container
     */
    gtk_object_ref (GTK_OBJECT (message_list->etable));
    gtk_object_sink (GTK_OBJECT (message_list->etable));
}

static void
free_key (gpointer key, gpointer value, gpointer data)
{
    g_free (key);
}

static void
message_list_destroy (GtkObject *object)
{
    MessageList *message_list = MESSAGE_LIST (object);
    int i;

    
    gtk_object_unref (GTK_OBJECT (message_list->table_model));
    gtk_object_unref (GTK_OBJECT (message_list->header_model));
    
    /*
     * Renderers
     */
    gtk_object_unref (GTK_OBJECT (message_list->render_text));
    gtk_object_unref (GTK_OBJECT (message_list->render_online_status));
    gtk_object_unref (GTK_OBJECT (message_list->render_message_status));
    gtk_object_unref (GTK_OBJECT (message_list->render_priority));
    gtk_object_unref (GTK_OBJECT (message_list->render_attachment));
    gtk_object_unref (GTK_OBJECT (message_list->render_tree));
    
    gtk_object_unref (GTK_OBJECT (message_list->etable));

    if (message_list->uid_rowmap) {
        g_hash_table_foreach (message_list->uid_rowmap,
                      free_key, NULL);
        g_hash_table_destroy (message_list->uid_rowmap);
    }

    for (i = 0; i < COL_LAST; i++)
        gtk_object_unref (GTK_OBJECT (message_list->table_cols [i]));
    
    if (message_list->idle_id != 0)
        g_source_remove(message_list->idle_id);

    if (message_list->folder)
        gtk_object_unref (GTK_OBJECT (message_list->folder));

    GTK_OBJECT_CLASS (message_list_parent_class)->destroy (object);
}

/*
 * CORBA method: Evolution::MessageList::select_message
 */
static void
MessageList_select_message (PortableServer_Servant _servant,
                const CORBA_long message_number,
                CORBA_Environment *ev)
{
    printf ("FIXME: select message method\n");
}

/*
 * CORBA method: Evolution::MessageList::open_message
 */
static void
MessageList_open_message (PortableServer_Servant _servant,
              const CORBA_long message_number,
              CORBA_Environment *ev)
{
    printf ("FIXME: open message method\n");
}

static POA_Evolution_MessageList__epv *
evolution_message_list_get_epv (void)
{
    POA_Evolution_MessageList__epv *epv;

    epv = g_new0 (POA_Evolution_MessageList__epv, 1);

    epv->select_message = MessageList_select_message;
    epv->open_message   = MessageList_open_message;

    return epv;
}

static void
message_list_corba_class_init (void)
{
    evolution_message_list_vepv.Bonobo_Unknown_epv = bonobo_object_get_epv ();
    evolution_message_list_vepv.Evolution_MessageList_epv = evolution_message_list_get_epv ();
}

/*
 * GtkObjectClass::init
 */
static void
message_list_class_init (GtkObjectClass *object_class)
{
    message_list_parent_class = gtk_type_class (PARENT_TYPE);

    object_class->destroy = message_list_destroy;

    message_list_corba_class_init ();

    message_list_init_images ();
}

static void
message_list_construct (MessageList *message_list, Evolution_MessageList corba_message_list)
{
    bonobo_object_construct (BONOBO_OBJECT (message_list), corba_message_list);
}

static Evolution_MessageList
create_corba_message_list (BonoboObject *object)
{
    POA_Evolution_MessageList *servant;
    CORBA_Environment ev;

    servant = (POA_Evolution_MessageList *) g_new0 (BonoboObjectServant, 1);
    servant->vepv = &evolution_message_list_vepv;

    CORBA_exception_init (&ev);
    POA_Evolution_MessageList__init ((PortableServer_Servant) servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION){
        g_free (servant);
        CORBA_exception_free (&ev);
        return CORBA_OBJECT_NIL;
    }

    CORBA_exception_free (&ev);
    return (Evolution_MessageList) bonobo_object_activate_servant (object, servant);
}

BonoboObject *
message_list_new (FolderBrowser *parent_folder_browser)
{
    Evolution_MessageList corba_object;
    MessageList *message_list;

    g_assert (parent_folder_browser);

    message_list = gtk_type_new (message_list_get_type ());

    corba_object = create_corba_message_list (BONOBO_OBJECT (message_list));
    if (corba_object == CORBA_OBJECT_NIL){
        gtk_object_destroy (GTK_OBJECT (message_list));
        return NULL;
    }

    message_list->parent_folder_browser = parent_folder_browser;

    message_list->idle_id = 0;

    message_list_construct (message_list, corba_object);

    return BONOBO_OBJECT (message_list);
}

/* only call if we have a tree model */
/* builds the tree structure */
static void
build_tree (MessageList *ml, ETreePath *parent, struct _container *c,
        int *row)
{
    ETreeModel *tree = E_TREE_MODEL (ml->table_model);
    ETreePath *node;
    char *id;

    while (c) {
        if (c->message) {
            id = g_strdup_printf ("uid:%s", c->message->uid);
            g_hash_table_insert (ml->uid_rowmap,
                         g_strdup (c->message->uid),
                         GINT_TO_POINTER ((*row)++));
        } else
            id = g_strdup_printf ("subject:%s", c->root_subject);
        node = e_tree_model_node_insert (tree, parent, 0, id);
        if (c->child) {
            /* by default, open all trees */
            e_tree_model_node_set_expanded (tree, node, TRUE);
            build_tree (ml, node, c->child, row);
        }
        c = c->next;
    }
}

static void
build_flat (MessageList *ml, ETreePath *parent, GPtrArray *uids)
{
    ETreeModel *tree = E_TREE_MODEL (ml->table_model);
    ETreePath *node;
    char *uid;
    int i;

    for (i = 0; i < uids->len; i++) {
        uid = g_strdup_printf ("uid:%s", (char *)uids->pdata[i]);
        node = e_tree_model_node_insert (tree, ml->tree_root, i, uid);
        g_hash_table_insert (ml->uid_rowmap, g_strdup (uids->pdata[i]),
                     GINT_TO_POINTER (i));
    }
}

void
message_list_regenerate (MessageList *message_list, const char *search)
{
    ETreeModel *etm = E_TREE_MODEL (message_list->table_model);
    GPtrArray *uids;
    int row = 0;

    e_table_model_pre_change(message_list->table_model);

    if (message_list->search) {
        g_free (message_list->search);
        message_list->search = NULL;
    }

    if (message_list->uid_rowmap) {
        g_hash_table_foreach (message_list->uid_rowmap,
                      free_key, NULL);
        g_hash_table_destroy (message_list->uid_rowmap);
    }
    message_list->uid_rowmap = g_hash_table_new (g_str_hash, g_str_equal);
    
    if (search && camel_folder_has_search_capability (message_list->folder)) {
        CamelException ex;
        
        camel_exception_init (&ex);
        uids = camel_folder_search_by_expression (message_list->folder,
                              search, &ex);
        if (camel_exception_is_set (&ex)) {
            e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
                  "Search failed: %s",
                  camel_exception_get_description (&ex));
            camel_exception_clear (&ex);
        } else
            message_list->search = g_strdup (search);
    } else
        uids = camel_folder_get_uids (message_list->folder);
    
    /* FIXME: free the old tree data */
    
    /* Clear the old contents, build the new */
    if (message_list->tree_root)
        e_tree_model_node_remove(etm, message_list->tree_root);
    message_list->tree_root =
        e_tree_model_node_insert(etm, NULL, 0, message_list);
    e_tree_model_node_set_expanded (etm, message_list->tree_root, TRUE);

    if (threaded_view) {
        struct _container *head;

        head = thread_messages (message_list->folder, uids);
        build_tree (message_list, message_list->tree_root, head, &row);
        thread_messages_free (head);
    } else
        build_flat (message_list, message_list->tree_root, uids);

    if (search) {
        g_strfreev ((char **)uids->pdata);
        g_ptr_array_free (uids, FALSE);
    } else
        camel_folder_free_uids (message_list->folder, uids);

    e_table_model_changed (message_list->table_model);
    select_msg (message_list, 0);
}

static void
folder_changed (CamelFolder *f, int type, MessageList *message_list)
{
    message_list_regenerate (message_list, message_list->search);
}

static void
message_changed (CamelFolder *f, const char *uid, MessageList *message_list)
{
    int row;

    row = GPOINTER_TO_INT (g_hash_table_lookup (message_list->uid_rowmap,
                            uid));
    if (row != -1)
        e_table_model_row_changed (message_list->table_model, row);
}

void
message_list_set_folder (MessageList *message_list, CamelFolder *camel_folder)
{
    CamelException ex;

    g_return_if_fail (message_list != NULL);
    g_return_if_fail (camel_folder != NULL);
    g_return_if_fail (IS_MESSAGE_LIST (message_list));
    g_return_if_fail (CAMEL_IS_FOLDER (camel_folder));
    g_return_if_fail (camel_folder_has_summary_capability (camel_folder));

    camel_exception_init (&ex);
    
    if (message_list->folder)
        gtk_object_unref (GTK_OBJECT (message_list->folder));

    message_list->folder = camel_folder;

    gtk_signal_connect(GTK_OBJECT (camel_folder), "folder_changed",
               folder_changed, message_list);
    gtk_signal_connect(GTK_OBJECT (camel_folder), "message_changed",
               message_changed, message_list);

    gtk_object_ref (GTK_OBJECT (camel_folder));

    folder_changed (camel_folder, 0, message_list);
}

GtkWidget *
message_list_get_widget (MessageList *message_list)
{
    return message_list->etable;
}

E_MAKE_TYPE (message_list, "MessageList", MessageList, message_list_class_init, message_list_init, PARENT_TYPE);

static gboolean
on_cursor_change_idle (gpointer data)
{
    MessageList *message_list = data;

    select_msg (message_list, message_list->cursor_row);

    message_list->idle_id = 0;
    return FALSE;
}

static void
on_cursor_change_cmd (ETableScrolled *table, int row, gpointer user_data)
{
    MessageList *message_list;
    const CamelMessageInfo *info;
    
    message_list = MESSAGE_LIST (user_data);
    
    message_list->cursor_row = row;
    info = get_message_info (message_list, row);
    message_list->cursor_uid = info ? info->uid : NULL;

    if (!message_list->idle_id)
        message_list->idle_id = g_idle_add_full (G_PRIORITY_LOW, on_cursor_change_idle, message_list, NULL);
}

/* FIXME: this is all a kludge. */
static gint
idle_select_row (gpointer user_data)
{
    e_table_scrolled_set_cursor_row (user_data, 0);
    return FALSE;
}

static void
select_row (ETableScrolled *table, gpointer user_data)
{
    MessageList *message_list = user_data;

    gtk_idle_add (idle_select_row, message_list->etable);
}


struct message_list_foreach_data {
    MessageList *message_list;
    MessageListForeachFunc callback;
    gpointer user_data;
};

static void
mlfe_callback (int row, gpointer user_data)
{
    struct message_list_foreach_data *mlfe_data = user_data;
    const CamelMessageInfo *info;

    info = get_message_info (mlfe_data->message_list, row);
    if (info) {
        mlfe_data->callback (mlfe_data->message_list,
                     info->uid,
                     mlfe_data->user_data);
    }
}

void
message_list_foreach (MessageList *message_list,
              MessageListForeachFunc callback,
              gpointer user_data)
{
    struct message_list_foreach_data mlfe_data;

    mlfe_data.message_list = message_list;
    mlfe_data.callback = callback;
    mlfe_data.user_data = user_data;
    e_table_scrolled_selected_row_foreach (E_TABLE_SCROLLED (message_list->etable),
                           mlfe_callback, &mlfe_data);
}

gboolean threaded_view = TRUE;

void
message_list_toggle_threads (BonoboUIHandler *uih, void *user_data,
                 const char *path)
{
    MessageList *ml = user_data;

    threaded_view = bonobo_ui_handler_menu_get_toggle_state (uih, path);
    message_list_regenerate (ml, ml->search);
}