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