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
  28 #include <gtk/gtk.h>
  29
  30 #include "intl.h"
  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 remove_news_server_cb(FolderView *folderview, guint action, GtkWidget *widget);
  44 static void update_tree_cb(FolderView *folderview, guint action, GtkWidget *widget);
  45 static void download_cb(FolderView *folderview, guint action, GtkWidget *widget);
  46
  47 static GtkItemFactoryEntry news_popup_entries[] =
  48 {
  49         {N_("/_Subscribe to newsgroup..."),     NULL, subscribe_newsgroup_cb,    0, NULL},
  50         {N_("/_Unsubscribe newsgroup"),         NULL, unsubscribe_newsgroup_cb,  0, NULL},
  51         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  52         {N_("/Down_load"),                      NULL, download_cb,               0, NULL},
  53         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  54         {N_("/_Check for new messages"),        NULL, update_tree_cb,            0, NULL},
  55         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  56         {N_("/Remove _news account"),           NULL, remove_news_server_cb,     0, NULL},
  57         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  58 };
  59
  60 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item);
  61
  62 static FolderViewPopup news_popup =
  63 {
  64         "news",
  65         "<NewsFolder>",
  66         NULL,
  67         set_sensitivity
  68 };
  69
  70 void news_gtk_init(void)
  71 {
  72         guint i, n_entries;
  73
  74         n_entries = sizeof(news_popup_entries) /
  75                 sizeof(news_popup_entries[0]);
  76         for (i = 0; i < n_entries; i++)
  77                 news_popup.entries = g_slist_append(news_popup.entries, &news_popup_entries[i]);
  78
  79         folderview_register_popup(&news_popup);
  80 }
  81
  82 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item)
  83 {
  84 #define SET_SENS(name, sens) \
  85         menu_set_sensitive(factory, name, sens)
  86
  87         SET_SENS("/Subscribe to newsgroup...", folder_item_parent(item) == NULL);
  88         SET_SENS("/Unsubscribe newsgroup",     folder_item_parent(item) != NULL);
  89         SET_SENS("/Remove news account",       folder_item_parent(item) == NULL);
  90
  91         SET_SENS("/Check for new messages",    folder_item_parent(item) == NULL);
  92
  93 #undef SET_SENS
  94 }
  95
  96 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
  97 {
  98         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
  99         GtkCTreeNode *servernode, *node;
 100         Folder *folder;
 101         FolderItem *item;
 102         FolderItem *rootitem;
 103         FolderItem *newitem;
 104         GSList *new_subscr;
 105         GSList *cur;
 106         GNode *gnode;
 107
 108         if (!folderview->selected) return;
 109
 110         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 111         g_return_if_fail(item != NULL);
 112         folder = item->folder;
 113         g_return_if_fail(folder != NULL);
 114         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
 115         g_return_if_fail(folder->account != NULL);
 116
 117         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
 118                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
 119         else
 120                 servernode = folderview->selected;
 121
 122         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
 123
 124         new_subscr = grouplist_dialog(folder);
 125
 126         /* remove unsubscribed newsgroups */
 127         for (gnode = folder->node->children; gnode != NULL; ) {
 128                 GNode *next = gnode->next;
 129
 130                 item = FOLDER_ITEM(gnode->data);
 131                 if (g_slist_find_custom(new_subscr, item->path,
 132                                         (GCompareFunc)g_strcasecmp) != NULL) {
 133                         gnode = next;
 134                         continue;
 135                 }
 136
 137                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
 138                 if (!node) {
 139                         gnode = next;
 140                         continue;
 141                 }
 142
 143                 if (folderview->opened == node) {
 144                         summary_clear_all(folderview->summaryview);
 145                         folderview->opened = NULL;
 146                 }
 147
 148                 gtk_ctree_remove_node(ctree, node);
 149                 folder_item_remove(item);
 150
 151                 gnode = next;
 152         }
 153
 154         gtk_clist_freeze(GTK_CLIST(ctree));
 155
 156         /* add subscribed newsgroups */
 157         for (cur = new_subscr; cur != NULL; cur = cur->next) {
 158                 gchar *name = (gchar *)cur->data;
 159                 FolderUpdateData hookdata;
 160
 161                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
 162                         continue;
 163
 164                 newitem = folder_item_new(folder, name, name);
 165                 folder_item_append(rootitem, newitem);
 166
 167                 hookdata.folder = newitem->folder;
 168                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 169                 hookdata.item = newitem;
 170                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 171         }
 172
 173         gtk_clist_thaw(GTK_CLIST(ctree));
 174
 175         slist_free_strings(new_subscr);
 176         g_slist_free(new_subscr);
 177
 178         folder_write_list();
 179 }
 180
 181 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
 182                                      GtkWidget *widget)
 183 {
 184         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 185         FolderItem *item;
 186         gchar *name;
 187         gchar *message;
 188         gchar *old_id;
 189         AlertValue avalue;
 190
 191         if (!folderview->selected) return;
 192
 193         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 194         g_return_if_fail(item != NULL);
 195         g_return_if_fail(item->folder != NULL);
 196         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 197         g_return_if_fail(item->folder->account != NULL);
 198
 199         old_id = folder_item_get_identifier(item);
 200
 201         name = trim_string(item->path, 32);
 202         message = g_strdup_printf(_("Really unsubscribe newsgroup `%s'?"), name);
 203         avalue = alertpanel(_("Unsubscribe newsgroup"), message,
 204                             _("Yes"), _("+No"), NULL);
 205         g_free(message);
 206         g_free(name);
 207         if (avalue != G_ALERTDEFAULT) return;
 208
 209         if (folderview->opened == folderview->selected) {
 210                 summary_clear_all(folderview->summaryview);
 211                 folderview->opened = NULL;
 212         }
 213
 214         folder_item_remove(item);
 215         folder_write_list();
 216
 217         prefs_filtering_delete_path(old_id);
 218         g_free(old_id);
 219 }
 220
 221 static void remove_news_server_cb(FolderView *folderview, guint action,
 222                                   GtkWidget *widget)
 223 {
 224         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 225         FolderItem *item;
 226         PrefsAccount *account;
 227         gchar *name;
 228         gchar *message;
 229         AlertValue avalue;
 230
 231         if (!folderview->selected) return;
 232
 233         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 234         g_return_if_fail(item != NULL);
 235         g_return_if_fail(item->folder != NULL);
 236         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 237         g_return_if_fail(item->folder->account != NULL);
 238
 239         name = trim_string(item->folder->name, 32);
 240         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
 241         avalue = alertpanel(_("Delete news account"), message,
 242                             _("Yes"), _("+No"), NULL);
 243         g_free(message);
 244         g_free(name);
 245
 246         if (avalue != G_ALERTDEFAULT) return;
 247
 248         if (folderview->opened == folderview->selected ||
 249             gtk_ctree_is_ancestor(ctree,
 250                                   folderview->selected,
 251                                   folderview->opened)) {
 252                 summary_clear_all(folderview->summaryview);
 253                 folderview->opened = NULL;
 254         }
 255
 256         account = item->folder->account;
 257         folderview_unselect(folderview);
 258         summary_clear_all(folderview->summaryview);
 259         folder_destroy(item->folder);
 260         account_destroy(account);
 261         account_set_menu();
 262         main_window_reflect_prefs_all();
 263         folder_write_list();
 264 }
 265
 266 static void update_tree_cb(FolderView *folderview, guint action,
 267                            GtkWidget *widget)
 268 {
 269         FolderItem *item;
 270
 271         item = folderview_get_selected(folderview);
 272         g_return_if_fail(item != NULL);
 273
 274         summary_show(folderview->summaryview, NULL);
 275
 276         g_return_if_fail(item->folder != NULL);
 277
 278         folderview_check_new(item->folder);
 279 }
 280
 281 static void download_cb(FolderView *folderview, guint action,
 282                         GtkWidget *widget)
 283 {
 284         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 285         MainWindow *mainwin = folderview->mainwin;
 286         FolderItem *item;
 287
 288         if (!folderview->selected) return;
 289
 290         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 291         g_return_if_fail(item != NULL);
 292         g_return_if_fail(item->folder != NULL);
 293 #if 0
 294         if (!prefs_common.online_mode) {
 295                 if (alertpanel(_("Offline"),
 296                                _("You are offline. Go online?"),
 297                                _("Yes"), _("No"), NULL) == G_ALERTDEFAULT)
 298                         main_window_toggle_online(folderview->mainwin, TRUE);
 299                 else
 300                         return;
 301         }
 302 #endif
 303         main_window_cursor_wait(mainwin);
 304         inc_lock();
 305         main_window_lock(mainwin);
 306         gtk_widget_set_sensitive(folderview->ctree, FALSE);
 307         main_window_progress_on(mainwin);
 308         GTK_EVENTS_FLUSH();
 309         if (folder_item_fetch_all_msg(item) < 0) {
 310                 gchar *name;
 311
 312                 name = trim_string(item->name, 32);
 313                 alertpanel_error(_("Error occurred while downloading messages in `%s'."), name);
 314                 g_free(name);
 315         }
 316         folder_set_ui_func(item->folder, NULL, NULL);
 317         main_window_progress_off(mainwin);
 318         gtk_widget_set_sensitive(folderview->ctree, TRUE);
 319         main_window_unlock(mainwin);
 320         inc_unlock();
 321         main_window_cursor_normal(mainwin);
 322 }