src/plugins/vcalendar/vcalendar.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2018 Colin Leroy and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include <stddef.h>
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28
  29 #include <libical/ical.h>
  30 #include <gtk/gtk.h>
  31
  32 #if USE_PTHREAD
  33 #include "pthread.h"
  34 #endif
  35
  36 #include "folder.h"
  37 #include "folder_item_prefs.h"
  38 #include "mimeview.h"
  39 #include "utils.h"
  40 #include "vcalendar.h"
  41 #include "vcal_manager.h"
  42 #include "vcal_folder.h"
  43 #include "vcal_meeting_gtk.h"
  44 #include "vcal_interface.h"
  45 #include "prefs_account.h"
  46 #include "prefs_common.h"
  47 #include "menu.h"
  48 #include "account.h"
  49 #include "codeconv.h"
  50 #include "xml.h"
  51 #include "xmlprops.h"
  52 #include "alertpanel.h"
  53 #include "vcal_prefs.h"
  54 #include "statusbar.h"
  55 #include "timing.h"
  56 #include "inc.h"
  57
  58 MimeViewerFactory vcal_viewer_factory;
  59
  60 static void create_meeting_from_message_cb_ui(GtkAction *action, gpointer data);
  61
  62 static GdkColor uri_color = {
  63         (gulong)0,
  64         (gushort)0,
  65         (gushort)0,
  66         (gushort)0
  67 };
  68
  69 struct _VCalViewer
  70 {
  71         MimeViewer mimeviewer;
  72
  73         gchar     *file;
  74         MimeInfo  *mimeinfo;
  75         gchar     *tmpfile;
  76         VCalEvent *event;
  77
  78         GtkWidget *scrolledwin;
  79         GtkWidget *table;
  80         GtkWidget *type;
  81         GtkWidget *who;
  82         GtkWidget *start;
  83         GtkWidget *end;
  84         GtkWidget *location;
  85         GtkWidget *summary;
  86         GtkWidget *description;
  87         gchar     *url;
  88         GtkWidget *answer;
  89         GtkWidget *button;
  90         GtkWidget *reedit;
  91         GtkWidget *cancel;
  92         GtkWidget *uribtn;
  93         GtkWidget *attendees;
  94         GtkWidget *unavail_box;
  95 };
  96
  97 static GtkActionEntry vcalendar_main_menu[] = {{
  98         "Message/CreateMeeting",
  99         NULL, N_("Create meeting from message..."), NULL, NULL, G_CALLBACK(create_meeting_from_message_cb_ui)
 100 }};
 101
 102 static void create_meeting_from_message_cb_ui(GtkAction *action, gpointer data)
 103 {
 104         MainWindow *mainwin = mainwindow_get_mainwindow();
 105         SummaryView *summaryview = mainwin->summaryview;
 106         GSList *msglist = summary_get_selected_msg_list(summaryview);
 107         FolderItem *item = NULL;
 108         GSList *cur;
 109         gchar *msg;
 110         gint total=0;
 111
 112         if (summary_is_locked(summaryview) || !msglist) {
 113                 if (msglist)
 114                         g_slist_free(msglist);
 115                 return;
 116         }
 117         total = g_slist_length(msglist);
 118
 119         msg = g_strdup_printf(_("You are about to create %d "
 120                                        "meetings, one by one. Do you "
 121                                        "want to continue?"),
 122                                        total);
 123         if (total > 9
 124         &&  alertpanel(_("Warning"), msg, GTK_STOCK_CANCEL, GTK_STOCK_YES, NULL,
 125                 ALERTFOCUS_SECOND)
 126             != G_ALERTALTERNATE) {
 127                 g_free(msg);
 128                 return;
 129         }
 130         g_free(msg);
 131
 132         main_window_cursor_wait(summaryview->mainwin);
 133         gtk_cmclist_freeze(GTK_CMCLIST(summaryview->ctree));
 134         folder_item_update_freeze();
 135         inc_lock();
 136
 137         item = summaryview->folder_item;
 138
 139         STATUSBAR_PUSH(mainwin, _("Creating meeting..."));
 140
 141         for (cur = msglist; cur; cur = cur->next) {
 142                 MsgInfo *msginfo = procmsg_msginfo_get_full_info((MsgInfo *)cur->data);
 143                 VCalEvent *event = NULL;
 144                 FILE *fp = NULL;
 145
 146                 if (MSG_IS_ENCRYPTED(msginfo->flags)) {
 147                         fp = procmime_get_first_encrypted_text_content(msginfo);
 148                 } else {
 149                         fp = procmime_get_first_text_content(msginfo);
 150                 }
 151
 152                 if (fp) {
 153                         gchar *uid;
 154                         time_t t = time(NULL);
 155                         time_t t2 = t+3600;
 156                         gchar *org = NULL;
 157                         gchar *orgname = NULL;
 158                         gchar *summary = g_strdup(msginfo->subject ? msginfo->subject:_("no subject"));
 159                         gchar *description = file_read_stream_to_str(fp);
 160                         gchar *dtstart = g_strdup(icaltime_as_ical_string(icaltime_from_timet_with_zone(t, FALSE, NULL)));
 161                         gchar *dtend = g_strdup(icaltime_as_ical_string(icaltime_from_timet_with_zone(t2, FALSE, NULL)));
 162                         gchar *recur = NULL;
 163                         gchar *tzid = g_strdup("UTC");
 164                         gchar *url = NULL;
 165                         gint method = ICAL_METHOD_REQUEST;
 166                         gint sequence = 1;
 167                         PrefsAccount *account = NULL;
 168
 169                         fclose(fp);
 170
 171                         if (item && item->prefs && item->prefs->enable_default_account)
 172                                 account = account_find_from_id(item->prefs->default_account);
 173
 174                         if (!account)
 175                                 account = account_get_cur_account();
 176
 177                         if (!account)
 178                                 goto bail;
 179
 180                         org = g_strdup(account->address);
 181
 182                         uid = prefs_account_generate_msgid(account);
 183
 184                         event = vcal_manager_new_event(uid,
 185                                         org, NULL, NULL/*location*/, summary, description,
 186                                         dtstart, dtend, recur, tzid, url, method, sequence,
 187                                         ICAL_VTODO_COMPONENT);
 188                         g_free(uid);
 189
 190                         /* hack to get default hours */
 191                         g_free(event->dtstart);
 192                         g_free(event->dtend);
 193                         event->dtstart = NULL;
 194                         event->dtend = NULL;
 195
 196                         vcal_meeting_create(event);
 197                         vcal_manager_free_event(event);
 198
 199 bail:
 200                         g_free(org);
 201                         g_free(orgname);
 202                         g_free(summary);
 203                         g_free(description);
 204                         g_free(dtstart);
 205                         g_free(dtend);
 206                         g_free(recur);
 207                         g_free(tzid);
 208                         g_free(url);
 209                 }
 210
 211                 procmsg_msginfo_free(&msginfo);
 212         }
 213
 214         statusbar_progress_all(0,0,0);
 215         STATUSBAR_POP(mainwin);
 216         inc_unlock();
 217         folder_item_update_thaw();
 218         gtk_cmclist_thaw(GTK_CMCLIST(summaryview->ctree));
 219         main_window_cursor_normal(summaryview->mainwin);
 220         g_slist_free(msglist);
 221 }
 222
 223 static gchar *get_tmpfile(VCalViewer *vcalviewer)
 224 {
 225         gchar *tmpfile = NULL;
 226
 227         if (!vcalviewer->tmpfile) {
 228                 tmpfile = procmime_get_tmp_file_name(vcalviewer->mimeinfo);
 229                 debug_print("creating %s\n", tmpfile);
 230
 231                 if (procmime_get_part(tmpfile, vcalviewer->mimeinfo) < 0) {
 232                         g_warning("Can't get mimepart file");
 233                         g_free(tmpfile);
 234                         return NULL;
 235                 }
 236                 vcalviewer->tmpfile = tmpfile;
 237         }
 238
 239         return vcalviewer->tmpfile;
 240 }
 241
 242 static GtkWidget *vcal_viewer_get_widget(MimeViewer *_mimeviewer)
 243 {
 244         VCalViewer *vcalviewer = (VCalViewer *) _mimeviewer;
 245
 246         debug_print("vcal_viewer_get_widget\n");
 247         gtk_widget_show_all(vcalviewer->scrolledwin);
 248         return vcalviewer->scrolledwin;
 249 }
 250
 251 static void vcal_viewer_clear_viewer(MimeViewer *_mimeviewer)
 252 {
 253         VCalViewer *vcalviewer = (VCalViewer *) _mimeviewer;
 254
 255         debug_print("vcal_viewer_clear_viewer\n");
 256
 257         g_free(vcalviewer->file);
 258         vcalviewer->file = NULL;
 259         if (vcalviewer->tmpfile) {
 260                 debug_print("unlinking %s\n", vcalviewer->tmpfile);
 261                 g_unlink(vcalviewer->tmpfile);
 262                 g_free(vcalviewer->tmpfile);
 263                 vcalviewer->tmpfile = NULL;
 264         }
 265         vcalviewer->mimeinfo = NULL;
 266 }
 267
 268 static VCalEvent *vcalviewer_get_component(const gchar *file, const gchar *charset)
 269 {
 270         gchar *compstr = NULL;
 271         VCalEvent *event = NULL;
 272         FILE *fp;
 273         GByteArray *array;
 274         gchar buf[BUFSIZ];
 275         gint n_read;
 276
 277         g_return_val_if_fail(file != NULL, NULL);
 278
 279         if ((fp = g_fopen(file, "rb")) == NULL) {
 280                 FILE_OP_ERROR(file, "g_fopen");
 281                 return NULL;
 282         }
 283
 284         array = g_byte_array_new();
 285
 286         while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
 287                 if (n_read < sizeof(buf) && ferror(fp))
 288                         break;
 289                 g_byte_array_append(array, (guchar *)buf, n_read);
 290         }
 291
 292         if (ferror(fp)) {
 293                 FILE_OP_ERROR("file stream", "fread");
 294                 g_byte_array_free(array, TRUE);
 295                 fclose(fp);
 296                 return NULL;
 297         }
 298
 299         buf[0] = '\0';
 300         g_byte_array_append(array, (guchar *)buf, 1);
 301         compstr = (gchar *)array->data;
 302         g_byte_array_free(array, FALSE);
 303
 304         fclose(fp);
 305
 306         if (compstr) {
 307                 event = vcal_get_event_from_ical(compstr, charset);
 308                 g_free(compstr);
 309         }
 310
 311         return event;
 312 }
 313
 314 #define GTK_LABEL_SET_TEXT_TRIMMED(label, text) {               \
 315         gchar *tmplbl = strretchomp(g_strdup(text));            \
 316         gtk_label_set_text(label, tmplbl);                      \
 317         g_free(tmplbl);                                         \
 318 }
 319
 320 static void vcalviewer_answer_set_choices(VCalViewer *vcalviewer, VCalEvent *event, icalproperty_method method);
 321
 322 static void vcalviewer_reset(VCalViewer *vcalviewer)
 323 {
 324         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), "-");
 325         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), "-");
 326         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->location), "-");
 327         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->summary), "-");
 328         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->description), "-");
 329         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start), "-");
 330         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->end), "-");
 331         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->attendees), "-");
 332         g_free(vcalviewer->url);
 333         vcalviewer->url = NULL;
 334         gtk_widget_hide(vcalviewer->uribtn);
 335         vcalviewer_answer_set_choices(vcalviewer, NULL, ICAL_METHOD_CANCEL);
 336 }
 337
 338 static void vcalviewer_show_error(VCalViewer *vcalviewer, const gchar *msg)
 339 {
 340         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), msg);
 341 }
 342
 343 static void vcalviewer_hide_error(VCalViewer *vcalviewer)
 344 {
 345         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), "-");
 346 }
 347
 348 static void vcalviewer_show_unavailable(VCalViewer *vcalviewer, gboolean visi)
 349 {
 350         if (visi)
 351                 gtk_widget_show_all(vcalviewer->unavail_box);
 352         else
 353                 gtk_widget_hide(vcalviewer->unavail_box);
 354 }
 355
 356 static void vcalviewer_answer_set_choices(VCalViewer *vcalviewer, VCalEvent *event, icalproperty_method method)
 357 {
 358         int i = 0;
 359
 360         gtk_widget_hide(vcalviewer->reedit);
 361         gtk_widget_hide(vcalviewer->cancel);
 362         gtk_widget_hide(vcalviewer->answer);
 363         gtk_widget_hide(vcalviewer->button);
 364
 365         for (i = 0; i < 3; i++)
 366                 gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(vcalviewer->answer), 0);
 367
 368         vcalviewer_show_unavailable(vcalviewer, FALSE);
 369
 370         if (method == ICAL_METHOD_REQUEST && event && !event->rec_occurrence) {
 371                 PrefsAccount *account = vcal_manager_get_account_from_event(event);
 372
 373                 if (!account)
 374                         account = vcal_manager_get_account_from_event(vcalviewer->event);
 375
 376                 if (!account && event) {
 377                         account = account_get_default();
 378                         vcal_manager_update_answer(event, account->address,
 379                                         account->name,
 380                                         ICAL_PARTSTAT_NEEDSACTION,
 381                                         ICAL_CUTYPE_INDIVIDUAL);
 382                 }
 383                 if (account) {
 384                         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(vcalviewer->answer), _("Accept"));
 385                         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(vcalviewer->answer), _("Tentatively accept"));
 386                         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(vcalviewer->answer), _("Decline"));
 387                         gtk_widget_set_sensitive(vcalviewer->answer, TRUE);
 388                         gtk_widget_set_sensitive(vcalviewer->button, TRUE);
 389                         gtk_widget_show(vcalviewer->answer);
 390                         gtk_widget_show(vcalviewer->button);
 391                 } else {
 392                         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(vcalviewer->answer), "-");
 393                         gtk_widget_set_sensitive(vcalviewer->answer, FALSE);
 394                         gtk_widget_set_sensitive(vcalviewer->button, FALSE);
 395                 }
 396         } else {
 397                 gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(vcalviewer->answer), "-");
 398                 gtk_widget_set_sensitive(vcalviewer->answer, FALSE);
 399                 gtk_widget_set_sensitive(vcalviewer->button, FALSE);
 400         }
 401         gtk_combo_box_set_active(GTK_COMBO_BOX(vcalviewer->answer), 0);
 402
 403         if (event && event->method == ICAL_METHOD_REQUEST) {
 404                 PrefsAccount *account = vcal_manager_get_account_from_event(event);
 405                 gchar *internal_ifb = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 406                                         "vcalendar", G_DIR_SEPARATOR_S,
 407                                         "internal.ifb", NULL);
 408                 gchar *myfb = file_read_to_str(internal_ifb);
 409                 g_free(internal_ifb);
 410                 if (account) {
 411                         icalparameter_partstat answer =
 412                                 vcal_manager_get_reply_for_attendee(event, account->address);
 413
 414                         if (answer == ICAL_PARTSTAT_ACCEPTED)
 415                                 gtk_combo_box_set_active(GTK_COMBO_BOX(vcalviewer->answer), 0);
 416                         if (answer == ICAL_PARTSTAT_TENTATIVE)
 417                                 gtk_combo_box_set_active(GTK_COMBO_BOX(vcalviewer->answer), 1);
 418                         if (answer == ICAL_PARTSTAT_DECLINED)
 419                                 gtk_combo_box_set_active(GTK_COMBO_BOX(vcalviewer->answer), 2);
 420                         if (event->dtstart && event->dtend && myfb && *myfb
 421                         && answer != ICAL_PARTSTAT_ACCEPTED
 422                         && answer != ICAL_PARTSTAT_TENTATIVE) {
 423                                 if (!attendee_available(NULL, event->dtstart, event->dtend, myfb))
 424                                         vcalviewer_show_unavailable(vcalviewer, TRUE);
 425                         }
 426                 }
 427                 g_free(myfb);
 428         }
 429
 430         g_free(vcalviewer->url);
 431         if (event && event->url && *(event->url)) {
 432                 vcalviewer->url = g_strdup(event->url);
 433                 gtk_widget_show(vcalviewer->uribtn);
 434         } else {
 435                 vcalviewer->url = NULL;
 436                 gtk_widget_hide(vcalviewer->uribtn);
 437         }
 438 }
 439
 440 static FolderItem *vcalendar_get_current_item(void)
 441 {
 442         MainWindow *mainwin = mainwindow_get_mainwindow();
 443         FolderItem *item = NULL;
 444         Folder *folder = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
 445
 446         if (mainwin) {
 447                 item = mainwin->summaryview->folder_item;
 448                 if (item->folder == folder)
 449                         return item;
 450                 else
 451                         return folder->inbox;
 452         } else {
 453                 return NULL;
 454         }
 455 }
 456
 457 void vcalviewer_display_event (VCalViewer *vcalviewer, VCalEvent *event)
 458 {
 459         GSList *list = NULL;
 460         gchar *attendees = NULL;
 461         gboolean mine = FALSE;
 462         gchar *label = NULL;
 463         gboolean save_evt = FALSE;
 464         FolderItem *item = vcalendar_get_current_item();
 465         if (!event)
 466                 return;
 467         if (!vcalviewer)
 468                 return;
 469
 470 /* general */
 471         if (event->type == ICAL_VTODO_COMPONENT) {
 472
 473                 label = g_strjoin(" ", _("You have a Todo item."),
 474                                 _("Details follow:"), NULL);
 475                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 476
 477         } else if (event->method == ICAL_METHOD_REQUEST) {
 478
 479                 if (account_find_from_address(event->organizer, FALSE)) {
 480                         label = g_strjoin(" ", _("You have created a meeting."),
 481                                         _("Details follow:"), NULL);
 482                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 483                         mine = TRUE;
 484                 } else {
 485                         label = g_strjoin(" ", _("You have been invited to a meeting."),
 486                                                 _("Details follow:"), NULL);
 487                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 488                 }
 489
 490         } else if (event->method == ICAL_METHOD_CANCEL) {
 491
 492                 label = g_strjoin(" ",
 493                                 _("A meeting to which you had been invited has been cancelled."),
 494                                 _("Details follow:"), NULL);
 495                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 496                 save_evt = TRUE;
 497                 vcalendar_refresh_folder_contents(item);
 498         } else if (event->method == ICAL_METHOD_REPLY) {
 499                 /* don't change label */
 500         } else {
 501
 502                 label = g_strjoin(" ", _("You have been forwarded an appointment."),
 503                                 _("Details follow:"), NULL);
 504                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 505         }
 506
 507         g_free(label);
 508
 509 /* organizer */
 510         if (event->orgname && *(event->orgname)
 511         &&  event->organizer && *(event->organizer)) {
 512                 gchar *addr = g_strconcat(event->orgname, " <", event->organizer, ">", NULL);
 513                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), addr);
 514                 g_free(addr);
 515         } else if (event->organizer && *(event->organizer)) {
 516                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), event->organizer);
 517         } else {
 518                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), "-");
 519         }
 520
 521 /* location */
 522         if (event->location && *(event->location)) {
 523                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->location), event->location);
 524         } else {
 525                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->location), "-");
 526         }
 527
 528 /* summary */
 529         if (event->summary && *(event->summary)) {
 530                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->summary), event->summary);
 531         } else {
 532                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->summary), "-");
 533         }
 534
 535 /* description */
 536         if (event->description && *(event->description)) {
 537                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->description), event->description);
 538         } else {
 539                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->description), "-");
 540         }
 541
 542 /* url */
 543         g_free(vcalviewer->url);
 544         if (event->url && *(event->url)) {
 545                 vcalviewer->url = g_strdup(event->url);
 546                 gtk_widget_show(vcalviewer->uribtn);
 547         } else {
 548                 vcalviewer->url = NULL;
 549                 gtk_widget_hide(vcalviewer->uribtn);
 550         }
 551
 552 /* start */
 553         if (event->start && *(event->start)) {
 554                 if (event->recur && *(event->recur)) {
 555                         gchar *tmp = g_strdup_printf(g_strconcat("%s <span weight=\"bold\">",
 556                                                         _("(this event recurs)"),"</span>", NULL),
 557                                         event->start);
 558                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start), tmp);
 559                         gtk_label_set_use_markup(GTK_LABEL(vcalviewer->start), TRUE);
 560                         g_free(tmp);
 561                 } else if (event->rec_occurrence) {
 562                         gchar *tmp = g_strdup_printf(g_strconcat("%s <span weight=\"bold\">",
 563                                                         _("(this event is part of a recurring event)"),
 564                                                         "</span>", NULL),
 565                                         event->start);
 566                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start), tmp);
 567                         gtk_label_set_use_markup(GTK_LABEL(vcalviewer->start), TRUE);
 568                         g_free(tmp);
 569                 } else {
 570                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start), event->start);
 571                 }
 572         } else {
 573                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start), "-");
 574         }
 575
 576 /* end */
 577         if (event->end && *(event->end)) {
 578                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->end), event->end);
 579         } else {
 580                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->end), "-");
 581         }
 582
 583 /* attendees */
 584         attendees = g_strdup("");
 585         for (list = vcal_manager_get_answers_emails(event);
 586              list && list->data; list = list->next) {
 587                 gchar *attendee = (gchar *)list->data;
 588                 gchar *name = vcal_manager_get_attendee_name(event, attendee);
 589                 gchar *ename = g_markup_printf_escaped("%s", name?name:"");
 590                 gchar *eatt = g_markup_printf_escaped("%s", attendee);
 591                 icalparameter_partstat acode = vcal_manager_get_reply_for_attendee(event, attendee);
 592                 gchar *answer = vcal_manager_get_reply_text_for_attendee(event, attendee);
 593                 gchar *type = vcal_manager_get_cutype_text_for_attendee(event, attendee);
 594                 gchar *tmp = NULL;
 595                 gint e_len, n_len;
 596                 tmp = g_strdup_printf(
 597                                 "%s%s&lt;%s&gt; (%s, <span%s>%s</span>)",
 598                                 (ename && *(ename))?ename:"",
 599                                 (ename && *(ename))?" ":"",
 600                                 (eatt && *(eatt))?eatt:"",
 601                                 (type && *(type))?type:"",
 602                                 (acode != ICAL_PARTSTAT_ACCEPTED ? " foreground=\"red\"":""),
 603                                 (answer && *(answer))?answer:"");
 604                 e_len = strlen(attendees);
 605                 n_len = strlen(tmp);
 606                 if (e_len) {
 607                         attendees = g_realloc(attendees, e_len+n_len+2);
 608                         *(attendees+e_len) = '\n';
 609                         strcpy(attendees+e_len+1, tmp);
 610                 } else {
 611                         attendees = g_realloc(attendees, e_len+n_len+1);
 612                         strcpy(attendees, tmp);
 613                 }
 614                 g_free(tmp);
 615                 g_free(answer);
 616                 g_free(type);
 617                 g_free(name);
 618                 g_free(ename);
 619                 g_free(eatt);
 620         }
 621
 622         if (attendees && *(attendees)) {
 623                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->attendees), attendees);
 624         } else {
 625                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->attendees), "-");
 626         }
 627         g_free(attendees);
 628         gtk_label_set_use_markup(GTK_LABEL(vcalviewer->attendees), TRUE);
 629
 630 /* buttons */
 631         if (!mine)
 632                 if (event->type != ICAL_VTODO_COMPONENT)
 633                         vcalviewer_answer_set_choices(vcalviewer, event, event->method);
 634                 else
 635                         vcalviewer_answer_set_choices(vcalviewer, event, ICAL_METHOD_PUBLISH);
 636         else {
 637                 vcalviewer_answer_set_choices(vcalviewer, event, ICAL_METHOD_REPLY);
 638                 gtk_widget_show(vcalviewer->reedit);
 639                 gtk_widget_show(vcalviewer->cancel);
 640         }
 641
 642 /* save if cancelled */
 643         if (save_evt)
 644                 vcal_manager_save_event(event, TRUE);
 645 }
 646
 647 gchar *vcalviewer_get_uid_from_mimeinfo(MimeInfo *mimeinfo)
 648 {
 649         gchar *tmpfile = procmime_get_tmp_file_name(mimeinfo);
 650         const gchar *charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 651         gchar *compstr = NULL;
 652         gchar *res = NULL;
 653         VCalEvent *event = NULL;
 654
 655         if (!charset)
 656                 charset = CS_WINDOWS_1252;
 657
 658         if (!strcasecmp(charset, CS_ISO_8859_1))
 659                 charset = CS_WINDOWS_1252;
 660
 661         if (procmime_get_part(tmpfile, mimeinfo) < 0) {
 662                 g_warning("Can't get mimepart file");
 663                 g_free(tmpfile);
 664                 return NULL;
 665         }
 666
 667         compstr = file_read_to_str(tmpfile);
 668
 669         event = vcal_get_event_from_ical(compstr, charset);
 670         if (event)
 671                 res = g_strdup(event->uid);
 672
 673         vcal_manager_free_event(event);
 674
 675         debug_print("got uid: %s\n", res);
 676         return res;
 677
 678 }
 679
 680 static void vcalviewer_get_request_values(VCalViewer *vcalviewer, MimeInfo *mimeinfo, gboolean is_todo)
 681 {
 682         VCalEvent *saved_event = NULL;
 683         const gchar *charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 684         const gchar *saveme =  procmime_mimeinfo_get_parameter(mimeinfo, "vcalsave");
 685
 686         if (!vcalviewer->event)
 687                 return;
 688
 689         if (!charset)
 690                 charset = CS_WINDOWS_1252;
 691
 692         if (!strcasecmp(charset, CS_ISO_8859_1))
 693                 charset = CS_WINDOWS_1252;
 694
 695         /* see if we have it registered and more recent */
 696         saved_event = vcal_manager_load_event(vcalviewer->event->uid);
 697         if (saved_event && saved_event->sequence >= vcalviewer->event->sequence) {
 698                 charset = CS_INTERNAL;
 699                 saved_event->method = vcalviewer->event->method;
 700                 vcalviewer_display_event(vcalviewer, saved_event);
 701                 vcal_manager_free_event(saved_event);
 702                 return;
 703         } else if (saved_event) {
 704                 vcal_manager_free_event(saved_event);
 705         }
 706
 707         /* load it and register it */
 708
 709         if (!saveme || strcmp(saveme,"no"))
 710                 vcal_manager_save_event(vcalviewer->event, FALSE);
 711
 712         vcalviewer_display_event(vcalviewer, vcalviewer->event);
 713 }
 714
 715 static void vcalviewer_get_reply_values(VCalViewer *vcalviewer, MimeInfo *mimeinfo)
 716 {
 717         const gchar *charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 718         VCalEvent *saved_event = NULL;
 719         gchar *attendee = NULL, *label = NULL;
 720         Answer *answer = NULL;
 721
 722         if (!vcalviewer->event)
 723                 return;
 724
 725         if (!charset)
 726                 charset = CS_WINDOWS_1252;
 727
 728         if (!strcasecmp(charset, CS_ISO_8859_1))
 729                 charset = CS_WINDOWS_1252;
 730
 731         if (!vcalviewer->event->answers || g_slist_length(vcalviewer->event->answers) > 1) {
 732                 g_warning("strange, no answers or more than one");
 733         }
 734
 735         if (vcalviewer->event->answers) {
 736                 answer = (Answer *)vcalviewer->event->answers->data;
 737                 attendee = g_strdup(answer->attendee);
 738         }
 739
 740
 741         if (!answer) {
 742                 label = g_strjoin(" ",
 743                         _("You have received an answer to an unknown meeting proposal."),
 744                         _("Details follow:"), NULL);
 745                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 746         } else {
 747                 label = g_strdup_printf(_("You have received an answer to a meeting proposal.\n"
 748                         "%s has %s the invitation whose details follow:"),
 749                         attendee, vcal_manager_answer_get_text(answer->answer));
 750                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->type), label);
 751                 g_free(attendee);
 752         }
 753         g_free(label);
 754
 755         saved_event = vcal_manager_load_event(vcalviewer->event->uid);
 756         if (saved_event && answer) {
 757                 vcal_manager_update_answer(saved_event,
 758                         answer->attendee, answer->name, answer->answer, answer->cutype);
 759                 vcal_manager_save_event(saved_event, TRUE);
 760                 saved_event->method = vcalviewer->event->method;
 761                 vcalviewer_display_event(vcalviewer, saved_event);
 762                 vcal_manager_free_event(saved_event);
 763                 return;
 764         }
 765
 766         if (vcalviewer->event->organizer) {
 767                 if (vcalviewer->event->orgname) {
 768                         gchar *addr = g_strconcat(vcalviewer->event->orgname, " <",
 769                                         vcalviewer->event->organizer, ">", NULL);
 770                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), addr);
 771                         g_free(addr);
 772                 } else {
 773                         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who),
 774                                 vcalviewer->event->organizer);
 775                 }
 776         } else {
 777                 GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->who), "-");
 778         }
 779
 780         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->location),
 781                 vcalviewer->event->location?vcalviewer->event->location:"-");
 782
 783         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->summary),
 784                 vcalviewer->event->summary?vcalviewer->event->summary:"-");
 785
 786         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->description),
 787                 vcalviewer->event->description?vcalviewer->event->description:"-");
 788
 789         g_free(vcalviewer->url);
 790         if (vcalviewer->event->url) {
 791                 vcalviewer->url = g_strdup(vcalviewer->event->url);
 792                 gtk_widget_show(vcalviewer->uribtn);
 793         } else {
 794                 vcalviewer->url = NULL;
 795                 gtk_widget_hide(vcalviewer->uribtn);
 796         }
 797
 798         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->start),
 799                 vcalviewer->event->start?vcalviewer->event->start:"-");
 800         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->end),
 801                 vcalviewer->event->end?vcalviewer->event->end:"-");
 802
 803         GTK_LABEL_SET_TEXT_TRIMMED(GTK_LABEL(vcalviewer->attendees), "-");
 804
 805         vcalviewer_answer_set_choices(vcalviewer, NULL, ICAL_METHOD_REPLY);
 806 }
 807
 808 static void vcalviewer_get_event(VCalViewer *vcalviewer, MimeInfo *mimeinfo)
 809 {
 810         gchar *tmpfile = get_tmpfile(vcalviewer);
 811         const gchar *charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 812
 813         if (!charset)
 814                 charset = CS_WINDOWS_1252;
 815
 816         if (!strcasecmp(charset, CS_ISO_8859_1))
 817                 charset = CS_WINDOWS_1252;
 818
 819         if (vcalviewer->event) {
 820                 vcal_manager_free_event(vcalviewer->event);
 821                 vcalviewer->event = NULL;
 822         }
 823
 824         if (!tmpfile) {
 825                 vcalviewer_reset(vcalviewer);
 826                 vcalviewer_show_error(vcalviewer, _("Error - could not get the calendar MIME part."));
 827                 return;
 828         }
 829
 830         vcalviewer->event = vcalviewer_get_component(tmpfile, charset);
 831         if (!vcalviewer->event) {
 832                 vcalviewer_reset(vcalviewer);
 833                 vcalviewer_show_error(vcalviewer, _("Error - no calendar part found."));
 834                 return;
 835         }
 836
 837         if (vcalviewer->event->type == ICAL_VTODO_COMPONENT) {
 838                 vcalviewer_get_request_values(vcalviewer, mimeinfo, TRUE);
 839         } else if (vcalviewer->event->method == ICAL_METHOD_REQUEST ||
 840                    vcalviewer->event->method == ICAL_METHOD_PUBLISH ||
 841                    vcalviewer->event->method == ICAL_METHOD_CANCEL) {
 842                 vcalviewer_get_request_values(vcalviewer, mimeinfo, FALSE);
 843         } else if (vcalviewer->event->method == ICAL_METHOD_REPLY) {
 844                 vcalviewer_get_reply_values(vcalviewer, mimeinfo);
 845         } else {
 846                 vcalviewer_reset(vcalviewer);
 847                 vcalviewer_show_error(vcalviewer, _("Error - Unknown calendar component type."));
 848         }
 849 }
 850
 851 static VCalViewer *s_vcalviewer = NULL;
 852
 853 static void vcal_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
 854 {
 855         VCalViewer *vcalviewer = (VCalViewer *) _mimeviewer;
 856         GtkAllocation allocation;
 857
 858         START_TIMING("");
 859
 860         s_vcalviewer = vcalviewer;
 861
 862         if (mimeinfo == NULL) {
 863                 vcal_viewer_clear_viewer(_mimeviewer);
 864                 END_TIMING();
 865                 return;
 866         }
 867         debug_print("vcal_viewer_show_mimepart : %s\n", file);
 868
 869         vcal_viewer_clear_viewer(_mimeviewer);
 870         gtk_widget_show_all(vcalviewer->scrolledwin);
 871         g_free(vcalviewer->file);
 872         vcalviewer->file = g_strdup(file);
 873         vcalviewer->mimeinfo = mimeinfo;
 874         vcalviewer_hide_error(vcalviewer);
 875         vcalviewer_get_event(vcalviewer, mimeinfo);
 876         GTK_EVENTS_FLUSH();
 877         gtk_widget_get_allocation(vcalviewer->scrolledwin, &allocation);
 878         gtk_widget_set_size_request(vcalviewer->description,
 879                 allocation.width - 200, -1);
 880         gtk_label_set_line_wrap(GTK_LABEL(vcalviewer->location), TRUE);
 881         gtk_label_set_line_wrap(GTK_LABEL(vcalviewer->summary), TRUE);
 882         gtk_label_set_line_wrap(GTK_LABEL(vcalviewer->description), TRUE);
 883         gtk_label_set_line_wrap(GTK_LABEL(vcalviewer->attendees), FALSE);
 884
 885         if (prefs_common_get_prefs()->textfont) {
 886                 PangoFontDescription *font_desc;
 887
 888                 font_desc = pango_font_description_from_string
 889                                                 (prefs_common_get_prefs()->textfont);
 890                 if (font_desc) {
 891                         gtk_widget_modify_font(
 892                                 vcalviewer->description, font_desc);
 893                         pango_font_description_free(font_desc);
 894                 }
 895         }
 896         END_TIMING();
 897 }
 898
 899 void vcalviewer_reload(FolderItem *item)
 900 {
 901         if (s_vcalviewer) {
 902                 MainWindow *mainwin = mainwindow_get_mainwindow();
 903                 Folder *folder = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
 904
 905                 folder_item_scan(item);
 906                 if (mainwin && mainwin->summaryview->folder_item) {
 907                         FolderItem *cur = mainwin->summaryview->folder_item;
 908                         if (cur->folder == folder)
 909                                 folder_item_scan(cur);
 910                 }
 911                 if (mainwin && mainwin->summaryview->folder_item == item) {
 912                         debug_print("reload: %p, %p\n", (MimeViewer *)s_vcalviewer, s_vcalviewer->mimeinfo);
 913                         summary_redisplay_msg(mainwin->summaryview);
 914                 }
 915         }
 916 }
 917
 918 static void vcal_viewer_destroy_viewer(MimeViewer *_mimeviewer)
 919 {
 920         VCalViewer *vcalviewer = (VCalViewer *) _mimeviewer;
 921
 922         debug_print("vcal_viewer_destroy_viewer\n");
 923
 924         if (s_vcalviewer == vcalviewer)
 925                 s_vcalviewer = NULL;
 926         vcal_viewer_clear_viewer(_mimeviewer);
 927         g_free(vcalviewer);
 928 }
 929
 930 static gboolean vcalviewer_reedit_cb(GtkButton *widget, gpointer data)
 931 {
 932         VCalViewer *vcalviewer = (VCalViewer *)data;
 933         gchar * uid = vcalviewer_get_uid_from_mimeinfo(vcalviewer->mimeinfo);
 934         VCalEvent *event = NULL;
 935
 936         s_vcalviewer = vcalviewer;
 937         /* see if we have it registered and more recent */
 938         event = vcal_manager_load_event(uid);
 939         vcal_meeting_create(event);
 940         vcal_manager_free_event(event);
 941         return TRUE;
 942 }
 943
 944 static gboolean vcalviewer_uribtn_cb(GtkButton *widget, gpointer data)
 945 {
 946         VCalViewer *vcalviewer = (VCalViewer *)data;
 947
 948         if (vcalviewer->url)
 949                 open_uri(vcalviewer->url, prefs_common_get_uri_cmd());
 950
 951         return TRUE;
 952 }
 953
 954 void vcalendar_refresh_folder_contents(FolderItem *item)
 955 {
 956         Folder *folder = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
 957         if (folder && item->folder == folder) {
 958                 MainWindow *mainwin = mainwindow_get_mainwindow();
 959                 folder_item_scan(item);
 960                 if (mainwin->summaryview->folder_item == item) {
 961                         summary_show(mainwin->summaryview, item);
 962                 }
 963         }
 964 }
 965
 966 static void send_cancel_notify_toggled_cb(GtkToggleButton *button, gboolean *data)
 967 {
 968         *data = gtk_toggle_button_get_active(button);
 969 }
 970
 971 void vcalendar_cancel_meeting(FolderItem *item, const gchar *uid)
 972 {
 973         VCalEvent *event = NULL;
 974         VCalMeeting *meet = NULL;
 975         gchar *file = NULL;
 976         gint val = 0;
 977         Folder *folder = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
 978         gboolean redisp = FALSE;
 979         GtkWidget *send_notify_chkbtn = gtk_check_button_new_with_label(_("Send a notification to the attendees"));
 980         gboolean send_notify = TRUE;
 981
 982         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(send_notify_chkbtn), TRUE);
 983         gtk_widget_show(send_notify_chkbtn);
 984         g_signal_connect(G_OBJECT(send_notify_chkbtn), "toggled",
 985                          G_CALLBACK(send_cancel_notify_toggled_cb),
 986                          &send_notify);
 987
 988         val = alertpanel_full(_("Cancel meeting"),
 989                                    _("Are you sure you want to cancel this meeting?"),
 990                                    GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST, FALSE,
 991                                    send_notify_chkbtn, ALERT_WARNING);
 992
 993         if (val != G_ALERTALTERNATE)
 994                 return;
 995
 996         event = vcal_manager_load_event(uid);
 997         if (!event)
 998                 return;
 999         event->method = ICAL_METHOD_CANCEL;
1000
1001         if (folder) {
1002                 MainWindow *mainwin = mainwindow_get_mainwindow();
1003                 if (mainwin->summaryview->folder_item == item) {
1004                         redisp = TRUE;
1005                         summary_show(mainwin->summaryview, NULL);
1006                 }
1007         }
1008
1009         if (send_notify) {
1010                 meet = vcal_meeting_create_hidden(event);
1011                 if (!vcal_meeting_send(meet)) {
1012                         event->method = ICAL_METHOD_REQUEST;
1013                         vcal_manager_save_event(event, TRUE);
1014                         vcal_manager_free_event(event);
1015                         if (folder)
1016                                 folder_item_scan(item);
1017
1018                         if (folder && redisp) {
1019                                 MainWindow *mainwin = mainwindow_get_mainwindow();
1020                                 summary_show(mainwin->summaryview, item);
1021                         }
1022                         return;
1023                 }
1024         }
1025
1026         vcal_manager_save_event(event, TRUE);
1027
1028         file = vcal_manager_get_event_file(event->uid);
1029         g_unlink(file);
1030         vcal_manager_free_event(event);
1031         g_free(file);
1032         if (folder)
1033                 folder_item_scan(item);
1034         if (folder && redisp) {
1035                 MainWindow *mainwin = mainwindow_get_mainwindow();
1036                 summary_show(mainwin->summaryview, item);
1037         }
1038
1039         return;
1040 }
1041
1042 static gboolean vcalviewer_cancel_cb(GtkButton *widget, gpointer data)
1043 {
1044         VCalViewer *vcalviewer = (VCalViewer *)data;
1045         FolderItem *item = vcalendar_get_current_item();
1046         gchar * uid = vcalviewer_get_uid_from_mimeinfo(vcalviewer->mimeinfo);
1047         vcalendar_cancel_meeting(item, uid);
1048         return TRUE;
1049 }
1050
1051 static gboolean vcalviewer_action_cb(GtkButton *widget, gpointer data)
1052 {
1053         VCalViewer *vcalviewer = (VCalViewer *)data;
1054         gint index = gtk_combo_box_get_active(GTK_COMBO_BOX(vcalviewer->answer));
1055         icalparameter_partstat reply[3] = {ICAL_PARTSTAT_ACCEPTED, ICAL_PARTSTAT_TENTATIVE, ICAL_PARTSTAT_DECLINED};
1056         PrefsAccount *account = NULL;
1057         VCalEvent *saved_event = NULL, *event = NULL;
1058         debug_print("index chosen %d\n", index);
1059
1060         if (index < 0 || index > 2) {
1061                 return TRUE;
1062         }
1063
1064         s_vcalviewer = vcalviewer;
1065
1066         if (!vcalviewer->event) {
1067                 g_warning("can't get event");
1068                 return TRUE;
1069         }
1070
1071 /* see if we have it registered and more recent */
1072         event = vcalviewer->event;
1073         saved_event = vcal_manager_load_event(vcalviewer->event->uid);
1074         if (saved_event && saved_event->sequence >= vcalviewer->event->sequence) {
1075                 saved_event->method = vcalviewer->event->method;
1076                 event = saved_event;
1077         } else if (saved_event) {
1078                 vcal_manager_free_event(saved_event);
1079                 saved_event = NULL;
1080         }
1081         account = vcal_manager_get_account_from_event(event);
1082
1083         if (!account) {
1084                 AlertValue val = alertpanel_full(_("No account found"),
1085                                         _("You have no account matching any attendee.\n"
1086                                             "Do you want to reply anyway?"),
1087                                         GTK_STOCK_CANCEL, _("Reply anyway"), NULL,
1088                                                 ALERTFOCUS_SECOND, FALSE, NULL, ALERT_QUESTION);
1089                 if (val == G_ALERTALTERNATE) {
1090                         account = account_get_default();
1091                         vcal_manager_update_answer(event, account->address,
1092                                         account->name,
1093                                         ICAL_PARTSTAT_NEEDSACTION,
1094                                         ICAL_CUTYPE_INDIVIDUAL);
1095                 } else {
1096                         if (saved_event)
1097                                 vcal_manager_free_event(saved_event);
1098                         return TRUE;
1099                 }
1100         }
1101
1102         vcal_manager_update_answer(event, account->address, account->name, reply[index], 0);
1103
1104         if (event->organizer && *(event->organizer) &&
1105             !vcal_manager_reply(account, event)) {
1106                 g_warning("couldn't send reply");
1107         } else {
1108                 debug_print("no organizer, not sending answer\n");
1109         }
1110
1111         vcal_manager_save_event(event, TRUE);
1112
1113         vcalviewer_display_event(vcalviewer, event);
1114         if (saved_event)
1115                 vcal_manager_free_event(saved_event);
1116         return TRUE;
1117 };
1118
1119 #define TABLE_ADD_LINE(label_text, widget) {                            \
1120         gchar *tmpstr = g_strdup_printf("<span weight=\"bold\">%s</span>",\
1121                                 label_text);                            \
1122         GtkWidget *label = gtk_label_new(tmpstr);                       \
1123         g_free(tmpstr);                                                 \
1124         gtk_label_set_use_markup (GTK_LABEL (label), TRUE);             \
1125         gtk_misc_set_alignment (GTK_MISC(label), 1, 0);                 \
1126         gtk_table_attach (GTK_TABLE (vcalviewer->table),                \
1127                           label, 0, 1, i, i+1,                          \
1128                           GTK_FILL, GTK_FILL, 6, 6);                    \
1129         gtk_table_attach (GTK_TABLE (vcalviewer->table),                \
1130                           widget, 1, 2, i, i+1,                         \
1131                           GTK_FILL, GTK_FILL, 6, 6);                    \
1132         if (GTK_IS_LABEL(widget)) {                                     \
1133                 gtk_label_set_use_markup(GTK_LABEL (widget), TRUE);     \
1134                 gtk_misc_set_alignment (GTK_MISC(widget),0, 0);         \
1135                 gtk_label_set_line_wrap(GTK_LABEL(widget), TRUE);       \
1136         }                                                               \
1137         i++;                                                            \
1138 }
1139
1140 static gchar *vcal_viewer_get_selection(MimeViewer *_viewer)
1141 {
1142         VCalViewer *viewer = (VCalViewer *)_viewer;
1143         if (viewer->summary == NULL)
1144                 return NULL;
1145         if (gtk_label_get_text(GTK_LABEL(viewer->description))
1146         &&  *(gtk_label_get_text(GTK_LABEL(viewer->description))) > 2) {
1147                 gint start, end;
1148                 if (gtk_label_get_selection_bounds(GTK_LABEL(viewer->description),
1149                                                    &start, &end)) {
1150                         gchar *tmp = g_strdup(gtk_label_get_text(
1151                                                 GTK_LABEL(viewer->description))+start);
1152                         tmp[end-start] = '\0';
1153                         return tmp;
1154                 } else {
1155                         return g_strdup(gtk_label_get_text(GTK_LABEL(viewer->description)));
1156                 }
1157         }
1158         else if (gtk_label_get_text(GTK_LABEL(viewer->summary))
1159         &&  *(gtk_label_get_text(GTK_LABEL(viewer->summary))) > 2)
1160                 return g_strdup(gtk_label_get_text(GTK_LABEL(viewer->summary)));
1161         else
1162                 return NULL;
1163 }
1164
1165
1166 static gboolean vcal_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1167 {
1168         VCalViewer *viewer = (VCalViewer *)_viewer;
1169         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1170                 GTK_SCROLLED_WINDOW(viewer->scrolledwin));
1171
1172         return gtkutils_scroll_page(viewer->table, vadj, up);
1173 }
1174
1175 static void vcal_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1176 {
1177         VCalViewer *viewer = (VCalViewer *)_viewer;
1178         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1179                 GTK_SCROLLED_WINDOW(viewer->scrolledwin));
1180
1181         gtkutils_scroll_one_line(viewer->table, vadj, up);
1182 }
1183
1184 MimeViewer *vcal_viewer_create(void)
1185 {
1186         VCalViewer *vcalviewer;
1187         int i = 0;
1188         GtkWidget *hbox = NULL, *vbox = NULL;
1189         GtkWidget *warning_img;
1190         GtkWidget *warning_label;
1191
1192         debug_print("Creating vcal view...\n");
1193         vcalviewer = g_new0(VCalViewer, 1);
1194         vcalviewer->mimeviewer.factory = &vcal_viewer_factory;
1195
1196         vcalviewer->mimeviewer.get_widget = vcal_viewer_get_widget;
1197         vcalviewer->mimeviewer.show_mimepart = vcal_viewer_show_mimepart;
1198         vcalviewer->mimeviewer.clear_viewer = vcal_viewer_clear_viewer;
1199         vcalviewer->mimeviewer.destroy_viewer = vcal_viewer_destroy_viewer;
1200         vcalviewer->mimeviewer.get_selection = vcal_viewer_get_selection;
1201         vcalviewer->mimeviewer.scroll_page = vcal_viewer_scroll_page;
1202         vcalviewer->mimeviewer.scroll_one_line = vcal_viewer_scroll_one_line;
1203
1204         vcalviewer->table = gtk_table_new(8, 2, FALSE);
1205         vcalviewer->type = gtk_label_new("meeting");
1206         vcalviewer->who = gtk_label_new("who");
1207         vcalviewer->start = gtk_label_new("start");
1208         vcalviewer->end = gtk_label_new("end");
1209         vcalviewer->location = gtk_label_new("location");
1210         vcalviewer->summary = gtk_label_new("summary");
1211         vcalviewer->description = gtk_label_new("description");
1212         vcalviewer->attendees = gtk_label_new("attendees");
1213
1214         vcalviewer->answer = gtk_combo_box_text_new();
1215         vcalviewer->url = NULL;
1216         vcalviewer->button = gtk_button_new_with_label(_("Answer"));
1217         vcalviewer->reedit = gtk_button_new_with_label(_("Edit meeting..."));
1218         vcalviewer->cancel = gtk_button_new_with_label(_("Cancel meeting..."));
1219         vcalviewer->uribtn = gtk_button_new_with_label(_("Launch website"));
1220         vcalviewer->unavail_box = gtk_hbox_new(FALSE, 6);
1221         warning_img = gtk_image_new_from_stock
1222                         (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_SMALL_TOOLBAR);
1223         warning_label = gtk_label_new(_("You are already busy at this time."));
1224
1225         gtk_box_pack_start(GTK_BOX(vcalviewer->unavail_box), warning_img, FALSE, FALSE, 0);
1226         gtk_box_pack_start(GTK_BOX(vcalviewer->unavail_box), warning_label, FALSE, FALSE, 0);
1227
1228         hbox = gtk_hbox_new(FALSE, 6);
1229         gtk_box_pack_start(GTK_BOX(hbox), vcalviewer->answer, FALSE, FALSE, 0);
1230         gtk_box_pack_start(GTK_BOX(hbox), vcalviewer->button, FALSE, FALSE, 0);
1231         gtk_box_pack_start(GTK_BOX(hbox), vcalviewer->reedit, FALSE, FALSE, 0);
1232         gtk_box_pack_start(GTK_BOX(hbox), vcalviewer->cancel, FALSE, FALSE, 0);
1233         gtk_box_pack_start(GTK_BOX(hbox), vcalviewer->uribtn, FALSE, FALSE, 0);
1234
1235         vbox = gtk_vbox_new(FALSE, 6);
1236         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
1237         gtk_box_pack_start(GTK_BOX(vbox), vcalviewer->unavail_box, FALSE, FALSE, 0);
1238
1239         vcalviewer_answer_set_choices(vcalviewer, NULL, ICAL_METHOD_REQUEST);
1240
1241         gtk_label_set_selectable(GTK_LABEL(vcalviewer->type), TRUE);
1242         gtk_label_set_selectable(GTK_LABEL(vcalviewer->who), TRUE);
1243         gtk_label_set_selectable(GTK_LABEL(vcalviewer->start), TRUE);
1244         gtk_label_set_selectable(GTK_LABEL(vcalviewer->end), TRUE);
1245         gtk_label_set_selectable(GTK_LABEL(vcalviewer->location), TRUE);
1246         gtk_label_set_selectable(GTK_LABEL(vcalviewer->summary), TRUE);
1247         gtk_label_set_selectable(GTK_LABEL(vcalviewer->description), TRUE);
1248         gtk_label_set_selectable(GTK_LABEL(vcalviewer->attendees), TRUE);
1249
1250         g_signal_connect(G_OBJECT(vcalviewer->button), "clicked",
1251                          G_CALLBACK(vcalviewer_action_cb), vcalviewer);
1252
1253         g_signal_connect(G_OBJECT(vcalviewer->reedit), "clicked",
1254                          G_CALLBACK(vcalviewer_reedit_cb), vcalviewer);
1255
1256         g_signal_connect(G_OBJECT(vcalviewer->cancel), "clicked",
1257                          G_CALLBACK(vcalviewer_cancel_cb), vcalviewer);
1258
1259         g_signal_connect(G_OBJECT(vcalviewer->uribtn), "clicked",
1260                          G_CALLBACK(vcalviewer_uribtn_cb), vcalviewer);
1261
1262         TABLE_ADD_LINE(_("Event:"), vcalviewer->type);
1263         TABLE_ADD_LINE(_("Organizer:"), vcalviewer->who);
1264         TABLE_ADD_LINE(_("Location:"), vcalviewer->location);
1265         TABLE_ADD_LINE(_("Summary:"), vcalviewer->summary);
1266         TABLE_ADD_LINE(_("Starting:"), vcalviewer->start);
1267         TABLE_ADD_LINE(_("Ending:"), vcalviewer->end);
1268         TABLE_ADD_LINE(_("Description:"), vcalviewer->description);
1269         TABLE_ADD_LINE(_("Attendees:"), vcalviewer->attendees);
1270         gtk_label_set_line_wrap(GTK_LABEL(vcalviewer->attendees), FALSE);
1271         TABLE_ADD_LINE(_("Action:"), vbox);
1272
1273         vcalviewer->scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1274         gtk_scrolled_window_add_with_viewport(
1275                 GTK_SCROLLED_WINDOW(vcalviewer->scrolledwin),
1276                 vcalviewer->table);
1277         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vcalviewer->scrolledwin),
1278                                        GTK_POLICY_NEVER,
1279                                        GTK_POLICY_AUTOMATIC);
1280
1281         gtk_widget_show_all(vcalviewer->scrolledwin);
1282         return (MimeViewer *) vcalviewer;
1283 }
1284
1285 static gchar *content_types[] =
1286         {"text/calendar", NULL};
1287
1288 MimeViewerFactory vcal_viewer_factory =
1289 {
1290         content_types,
1291         0,
1292         vcal_viewer_create,
1293 };
1294
1295 static gint alert_timeout_tag = 0;
1296 static gint scan_timeout_tag = 0;
1297
1298 static gboolean vcal_webcal_check(gpointer data)
1299 {
1300         Folder *root = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
1301
1302         if (prefs_common_get_prefs()->work_offline)
1303                 return TRUE;
1304
1305         manual_update = FALSE;
1306         folderview_check_new(root);
1307         manual_update = TRUE;
1308         return TRUE;
1309 }
1310
1311 static guint context_menu_id = 0;
1312 static guint main_menu_id = 0;
1313
1314 void vcalendar_init(void)
1315 {
1316         MainWindow *mainwin = mainwindow_get_mainwindow();
1317         Folder *folder = NULL;
1318         gchar *directory = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1319                                 "vcalendar", NULL);
1320         START_TIMING("");
1321         if (!is_dir_exist(directory) && make_dir (directory) != 0) {
1322                 g_free(directory);
1323                 return;
1324         }
1325
1326         g_free(directory);
1327
1328         vcal_prefs_init();
1329
1330         mimeview_register_viewer_factory(&vcal_viewer_factory);
1331         folder_register_class(vcal_folder_get_class());
1332
1333         folder = folder_find_from_name (PLUGIN_NAME, vcal_folder_get_class());
1334         if (!folder) {
1335                 START_TIMING("creating folder");
1336                 folder = folder_new(vcal_folder_get_class(), PLUGIN_NAME, NULL);
1337                 folder->klass->create_tree(folder);
1338                 folder_add(folder);
1339                 folder_scan_tree(folder, TRUE);
1340                 END_TIMING();
1341         }
1342
1343         if (!folder->inbox) {
1344                 folder->klass->create_tree(folder);
1345                 folder_scan_tree(folder, TRUE);
1346         }
1347         if (folder->klass->scan_required(folder, folder->inbox)) {
1348                 START_TIMING("scanning folder");
1349                 folder_item_scan(folder->inbox);
1350                 END_TIMING();
1351         }
1352
1353         vcal_folder_gtk_init();
1354
1355         alert_timeout_tag = g_timeout_add(60*1000,
1356                                 (GSourceFunc)vcal_meeting_alert_check,
1357                                 (gpointer)NULL);
1358         scan_timeout_tag = g_timeout_add(3600*1000,
1359                                 (GSourceFunc)vcal_webcal_check,
1360                                 (gpointer)NULL);
1361         if (prefs_common_get_prefs()->enable_color) {
1362                 gtkut_convert_int_to_gdk_color(prefs_common_get_prefs()->color[COL_URI],
1363                                        &uri_color);
1364         }
1365
1366         gtk_action_group_add_actions(mainwin->action_group, vcalendar_main_menu,
1367                         1, (gpointer)mainwin);
1368         MENUITEM_ADDUI_ID_MANAGER(mainwin->ui_manager, "/Menu/Message", "CreateMeeting",
1369                           "Message/CreateMeeting", GTK_UI_MANAGER_MENUITEM,
1370                           main_menu_id)
1371         MENUITEM_ADDUI_ID_MANAGER(mainwin->ui_manager, "/Menus/SummaryViewPopup", "CreateMeeting",
1372                           "Message/CreateMeeting", GTK_UI_MANAGER_MENUITEM,
1373                           context_menu_id)
1374         END_TIMING();
1375 }
1376
1377 void vcalendar_done(void)
1378 {
1379         MainWindow *mainwin = mainwindow_get_mainwindow();
1380         FolderView *folderview = NULL;
1381         FolderItem *fitem = NULL;
1382
1383         icalmemory_free_ring();
1384
1385         vcal_folder_free_data();
1386
1387         if (mainwin == NULL)
1388                 return;
1389
1390         folderview = mainwin->folderview;
1391         fitem = folderview->summaryview->folder_item;
1392
1393         if (fitem &&
1394             fitem->folder->klass == vcal_folder_get_class()) {
1395                 folderview_unselect(folderview);
1396                 summary_clear_all(folderview->summaryview);
1397                 if (fitem->folder->klass->item_closed)
1398                         fitem->folder->klass->item_closed(fitem);
1399         }
1400
1401         mimeview_unregister_viewer_factory(&vcal_viewer_factory);
1402         folder_unregister_class(vcal_folder_get_class());
1403         vcal_folder_gtk_done();
1404         vcal_prefs_done();
1405         g_source_remove(alert_timeout_tag);
1406         alert_timeout_tag = 0;
1407         g_source_remove(scan_timeout_tag);
1408         scan_timeout_tag = 0;
1409
1410         MENUITEM_REMUI_MANAGER(mainwin->ui_manager,mainwin->action_group, "Message/CreateMeeting", main_menu_id);
1411         main_menu_id = 0;
1412         MENUITEM_REMUI_MANAGER(mainwin->ui_manager,mainwin->action_group, "Message/CreateMeeting", context_menu_id);
1413         context_menu_id = 0;
1414 }