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