src/news_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto & the Sylpheed-Claws 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 2 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 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28
  29 #include <gtk/gtk.h>
  30
  31 #include "utils.h"
  32 #include "folder.h"
  33 #include "folderview.h"
  34 #include "menu.h"
  35 #include "account.h"
  36 #include "alertpanel.h"
  37 #include "grouplistdialog.h"
  38 #include "prefs_common.h"
  39 #include "news_gtk.h"
  40 #include "common/hooks.h"
  41 #include "inc.h"
  42
  43 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget);
  44 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget);
  45 static void news_settings_cb(FolderView *folderview, guint action, GtkWidget *widget);
  46 static void remove_news_server_cb(FolderView *folderview, guint action, GtkWidget *widget);
  47 static void update_tree_cb(FolderView *folderview, guint action, GtkWidget *widget);
  48 static void download_cb(FolderView *folderview, guint action, GtkWidget *widget);
  49 static void sync_cb(FolderView *folderview, guint action, GtkWidget *widget);
  50
  51 static GtkItemFactoryEntry news_popup_entries[] =
  52 {
  53         {N_("/_Subscribe to newsgroup..."),     NULL, subscribe_newsgroup_cb,    0, NULL},
  54         {N_("/_Unsubscribe newsgroup"),         NULL, unsubscribe_newsgroup_cb,  0, NULL},
  55         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  56         {N_("/Synchronise"),                    NULL, sync_cb,          0, NULL},
  57         {N_("/Down_load messages"),             NULL, download_cb,               0, NULL},
  58         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  59         {N_("/_Check for new messages"),        NULL, update_tree_cb,            0, NULL},
  60         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  61         {N_("/News _account settings"),         NULL, news_settings_cb,          0, NULL},
  62         {N_("/Remove _news account"),           NULL, remove_news_server_cb,     0, NULL},
  63         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  64 };
  65
  66 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item);
  67
  68 static FolderViewPopup news_popup =
  69 {
  70         "news",
  71         "<NewsFolder>",
  72         NULL,
  73         set_sensitivity
  74 };
  75
  76 gboolean news_gtk_should_override(void)
  77 {
  78         static time_t overridden_yes = 0;
  79         static time_t overridden_no  = 0;
  80         gboolean answer = TRUE;
  81
  82         if (prefs_common.work_offline) {
  83                 if (time(NULL) - overridden_yes < 600)
  84                          return TRUE;
  85                 else if (time(NULL) - overridden_no < 3)
  86                          return FALSE;
  87
  88                 answer = (alertpanel(_("Offline warning"),
  89                                _("You're working offline. Override during 10 minutes?"),
  90                                GTK_STOCK_YES, GTK_STOCK_NO, NULL) == G_ALERTDEFAULT);
  91
  92                 if (answer == TRUE)
  93                         overridden_yes = time(NULL);
  94                 else
  95                         overridden_no  = time(NULL);
  96         }
  97         return answer;
  98 }
  99
 100 void news_gtk_init(void)
 101 {
 102         guint i, n_entries;
 103
 104         n_entries = sizeof(news_popup_entries) /
 105                 sizeof(news_popup_entries[0]);
 106         for (i = 0; i < n_entries; i++)
 107                 news_popup.entries = g_slist_append(news_popup.entries, &news_popup_entries[i]);
 108
 109         folderview_register_popup(&news_popup);
 110 }
 111
 112 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item)
 113 {
 114 #define SET_SENS(name, sens) \
 115         menu_set_sensitive(factory, name, sens)
 116
 117         SET_SENS("/Subscribe to newsgroup...", folder_item_parent(item) == NULL);
 118         SET_SENS("/Unsubscribe newsgroup",     folder_item_parent(item) != NULL);
 119         SET_SENS("/Remove news account",       folder_item_parent(item) == NULL);
 120
 121         SET_SENS("/Check for new messages",    folder_item_parent(item) == NULL);
 122
 123 #undef SET_SENS
 124 }
 125
 126 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
 127 {
 128         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 129         GtkCTreeNode *servernode, *node;
 130         Folder *folder;
 131         FolderItem *item;
 132         FolderItem *rootitem;
 133         FolderItem *newitem;
 134         GSList *new_subscr;
 135         GSList *cur;
 136         GNode *gnode;
 137
 138         if (!folderview->selected) return;
 139
 140         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 141         g_return_if_fail(item != NULL);
 142         folder = item->folder;
 143         g_return_if_fail(folder != NULL);
 144         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
 145         g_return_if_fail(folder->account != NULL);
 146
 147         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
 148                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
 149         else
 150                 servernode = folderview->selected;
 151
 152         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
 153
 154         new_subscr = grouplist_dialog(folder);
 155
 156         /* remove unsubscribed newsgroups */
 157         for (gnode = folder->node->children; gnode != NULL; ) {
 158                 GNode *next = gnode->next;
 159
 160                 item = FOLDER_ITEM(gnode->data);
 161                 if (g_slist_find_custom(new_subscr, item->path,
 162                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
 163                         gnode = next;
 164                         continue;
 165                 }
 166
 167                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
 168                 if (!node) {
 169                         gnode = next;
 170                         continue;
 171                 }
 172
 173                 if (folderview->opened == node) {
 174                         summary_clear_all(folderview->summaryview);
 175                         folderview->opened = NULL;
 176                 }
 177
 178                 gtk_ctree_remove_node(ctree, node);
 179                 folder_item_remove(item);
 180
 181                 gnode = next;
 182         }
 183
 184         gtk_clist_freeze(GTK_CLIST(ctree));
 185
 186         /* add subscribed newsgroups */
 187         for (cur = new_subscr; cur != NULL; cur = cur->next) {
 188                 gchar *name = (gchar *)cur->data;
 189                 FolderUpdateData hookdata;
 190
 191                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
 192                         continue;
 193
 194                 newitem = folder_item_new(folder, name, name);
 195                 folder_item_append(rootitem, newitem);
 196
 197                 hookdata.folder = newitem->folder;
 198                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 199                 hookdata.item = newitem;
 200                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 201         }
 202
 203         gtk_clist_thaw(GTK_CLIST(ctree));
 204
 205         slist_free_strings(new_subscr);
 206         g_slist_free(new_subscr);
 207
 208         folder_write_list();
 209 }
 210
 211 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
 212                                      GtkWidget *widget)
 213 {
 214         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 215         FolderItem *item;
 216         gchar *name;
 217         gchar *message;
 218         gchar *old_id;
 219         AlertValue avalue;
 220
 221         if (!folderview->selected) return;
 222
 223         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 224         g_return_if_fail(item != NULL);
 225         g_return_if_fail(item->folder != NULL);
 226         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 227         g_return_if_fail(item->folder->account != NULL);
 228
 229         old_id = folder_item_get_identifier(item);
 230
 231         name = trim_string(item->path, 32);
 232         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
 233         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
 234                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL, FALSE,
 235                                  NULL, ALERT_WARNING, G_ALERTALTERNATE);
 236         g_free(message);
 237         g_free(name);
 238         if (avalue != G_ALERTDEFAULT) return;
 239
 240         if (folderview->opened == folderview->selected) {
 241                 summary_clear_all(folderview->summaryview);
 242                 folderview->opened = NULL;
 243         }
 244
 245         folder_item_remove(item);
 246         folder_write_list();
 247
 248         prefs_filtering_delete_path(old_id);
 249         g_free(old_id);
 250 }
 251
 252 static void news_settings_cb(FolderView *folderview, guint action, GtkWidget *widget)
 253 {
 254         FolderItem *item;
 255
 256         item = folderview_get_selected_item(folderview);
 257         if (item == NULL)
 258                 return;
 259
 260         account_open(item->folder->account);
 261 }
 262
 263 static void remove_news_server_cb(FolderView *folderview, guint action,
 264                                   GtkWidget *widget)
 265 {
 266         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 267         FolderItem *item;
 268         PrefsAccount *account;
 269         gchar *name;
 270         gchar *message;
 271         AlertValue avalue;
 272
 273         if (!folderview->selected) return;
 274
 275         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 276         g_return_if_fail(item != NULL);
 277         g_return_if_fail(item->folder != NULL);
 278         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 279         g_return_if_fail(item->folder->account != NULL);
 280
 281         name = trim_string(item->folder->name, 32);
 282         message = g_strdup_printf(_("Really delete news account '%s'?"), name);
 283         avalue = alertpanel_full(_("Delete news account"), message,
 284                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL, FALSE,
 285                                  NULL, ALERT_WARNING, G_ALERTALTERNATE);
 286         g_free(message);
 287         g_free(name);
 288
 289         if (avalue != G_ALERTDEFAULT) return;
 290
 291         if (folderview->opened == folderview->selected ||
 292             gtk_ctree_is_ancestor(ctree,
 293                                   folderview->selected,
 294                                   folderview->opened)) {
 295                 summary_clear_all(folderview->summaryview);
 296                 folderview->opened = NULL;
 297         }
 298
 299         account = item->folder->account;
 300         folderview_unselect(folderview);
 301         summary_clear_all(folderview->summaryview);
 302         folder_destroy(item->folder);
 303         account_destroy(account);
 304         account_set_menu();
 305         main_window_reflect_prefs_all();
 306         folder_write_list();
 307 }
 308
 309 static void update_tree_cb(FolderView *folderview, guint action,
 310                            GtkWidget *widget)
 311 {
 312         FolderItem *item;
 313
 314         item = folderview_get_selected_item(folderview);
 315         g_return_if_fail(item != NULL);
 316
 317         summary_show(folderview->summaryview, NULL);
 318
 319         g_return_if_fail(item->folder != NULL);
 320
 321         folderview_check_new(item->folder);
 322 }
 323
 324 static void sync_cb(FolderView *folderview, guint action,
 325                            GtkWidget *widget)
 326 {
 327         FolderItem *item;
 328
 329         item = folderview_get_selected_item(folderview);
 330         g_return_if_fail(item != NULL);
 331         folder_synchronise(item->folder);
 332 }
 333
 334 void news_gtk_synchronise(FolderItem *item)
 335 {
 336         MainWindow *mainwin = mainwindow_get_mainwindow();
 337         FolderView *folderview = mainwin->folderview;
 338
 339         g_return_if_fail(item != NULL);
 340         g_return_if_fail(item->folder != NULL);
 341
 342         main_window_cursor_wait(mainwin);
 343         inc_lock();
 344         main_window_lock(mainwin);
 345         gtk_widget_set_sensitive(folderview->ctree, FALSE);
 346         main_window_progress_on(mainwin);
 347         GTK_EVENTS_FLUSH();
 348         if (folder_item_fetch_all_msg(item) < 0) {
 349                 gchar *name;
 350
 351                 name = trim_string(item->name, 32);
 352                 alertpanel_error(_("Error occurred while downloading messages in '%s'."), name);
 353                 g_free(name);
 354         }
 355         folder_set_ui_func(item->folder, NULL, NULL);
 356         main_window_progress_off(mainwin);
 357         gtk_widget_set_sensitive(folderview->ctree, TRUE);
 358         main_window_unlock(mainwin);
 359         inc_unlock();
 360         main_window_cursor_normal(mainwin);
 361 }
 362
 363 static void download_cb(FolderView *folderview, guint action,
 364                         GtkWidget *widget)
 365 {
 366         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 367         FolderItem *item;
 368
 369         if (!folderview->selected) return;
 370
 371         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 372         news_gtk_synchronise(item);
 373 }