src/news_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 update_tree_cb(FolderView *folderview, guint action, GtkWidget *widget);
  46 static void download_cb(FolderView *folderview, guint action, GtkWidget *widget);
  47 static void sync_cb(FolderView *folderview, guint action, GtkWidget *widget);
  48
  49 static GtkItemFactoryEntry news_popup_entries[] =
  50 {
  51         {N_("/_Subscribe to newsgroup..."),     NULL, subscribe_newsgroup_cb,    0, NULL},
  52         {N_("/_Unsubscribe newsgroup"),         NULL, unsubscribe_newsgroup_cb,  0, NULL},
  53         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
  54         {N_("/Synchronise"),                    NULL, sync_cb,          0, NULL},
  55         {N_("/Down_load messages"),             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 };
  60
  61 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item);
  62
  63 static FolderViewPopup news_popup =
  64 {
  65         "news",
  66         "<NewsFolder>",
  67         NULL,
  68         set_sensitivity
  69 };
  70
  71 void news_gtk_init(void)
  72 {
  73         guint i, n_entries;
  74
  75         n_entries = sizeof(news_popup_entries) /
  76                 sizeof(news_popup_entries[0]);
  77         for (i = 0; i < n_entries; i++)
  78                 news_popup.entries = g_slist_append(news_popup.entries, &news_popup_entries[i]);
  79
  80         folderview_register_popup(&news_popup);
  81 }
  82
  83 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item)
  84 {
  85 #define SET_SENS(name, sens) \
  86         menu_set_sensitive(factory, name, sens)
  87
  88         SET_SENS("/Subscribe to newsgroup...", folder_item_parent(item) == NULL);
  89         SET_SENS("/Unsubscribe newsgroup",     folder_item_parent(item) != NULL);
  90         SET_SENS("/Check for new messages",    folder_item_parent(item) == NULL);
  91
  92 #undef SET_SENS
  93 }
  94
  95 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
  96 {
  97         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
  98         GtkCTreeNode *servernode, *node;
  99         Folder *folder;
 100         FolderItem *item;
 101         FolderItem *rootitem;
 102         FolderItem *newitem;
 103         GSList *new_subscr;
 104         GSList *cur;
 105         GNode *gnode;
 106
 107         if (!folderview->selected) return;
 108
 109         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 110         g_return_if_fail(item != NULL);
 111         folder = item->folder;
 112         g_return_if_fail(folder != NULL);
 113         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
 114         g_return_if_fail(folder->account != NULL);
 115
 116         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
 117                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
 118         else
 119                 servernode = folderview->selected;
 120
 121         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
 122
 123         new_subscr = grouplist_dialog(folder);
 124
 125         /* remove unsubscribed newsgroups */
 126         for (gnode = folder->node->children; gnode != NULL; ) {
 127                 GNode *next = gnode->next;
 128
 129                 item = FOLDER_ITEM(gnode->data);
 130                 if (g_slist_find_custom(new_subscr, item->path,
 131                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
 132                         gnode = next;
 133                         continue;
 134                 }
 135
 136                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
 137                 if (!node) {
 138                         gnode = next;
 139                         continue;
 140                 }
 141
 142                 if (folderview->opened == node) {
 143                         summary_clear_all(folderview->summaryview);
 144                         folderview->opened = NULL;
 145                 }
 146
 147                 gtk_ctree_remove_node(ctree, node);
 148                 folder_item_remove(item);
 149
 150                 gnode = next;
 151         }
 152
 153         gtk_clist_freeze(GTK_CLIST(ctree));
 154
 155         /* add subscribed newsgroups */
 156         for (cur = new_subscr; cur != NULL; cur = cur->next) {
 157                 gchar *name = (gchar *)cur->data;
 158                 FolderUpdateData hookdata;
 159
 160                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
 161                         continue;
 162
 163                 newitem = folder_item_new(folder, name, name);
 164                 folder_item_append(rootitem, newitem);
 165
 166                 hookdata.folder = newitem->folder;
 167                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 168                 hookdata.item = newitem;
 169                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 170         }
 171
 172         gtk_clist_thaw(GTK_CLIST(ctree));
 173
 174         slist_free_strings(new_subscr);
 175         g_slist_free(new_subscr);
 176
 177         folder_write_list();
 178 }
 179
 180 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
 181                                      GtkWidget *widget)
 182 {
 183         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 184         FolderItem *item;
 185         gchar *name;
 186         gchar *message;
 187         gchar *old_id;
 188         AlertValue avalue;
 189
 190         if (!folderview->selected) return;
 191
 192         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 193         g_return_if_fail(item != NULL);
 194         g_return_if_fail(item->folder != NULL);
 195         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 196         g_return_if_fail(item->folder->account != NULL);
 197
 198         old_id = folder_item_get_identifier(item);
 199
 200         name = trim_string(item->path, 32);
 201         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
 202         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
 203                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL, FALSE,
 204                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
 205         g_free(message);
 206         g_free(name);
 207         if (avalue != G_ALERTALTERNATE) 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 update_tree_cb(FolderView *folderview, guint action,
 222                            GtkWidget *widget)
 223 {
 224         FolderItem *item;
 225
 226         item = folderview_get_selected_item(folderview);
 227         g_return_if_fail(item != NULL);
 228
 229         summary_show(folderview->summaryview, NULL);
 230
 231         g_return_if_fail(item->folder != NULL);
 232
 233         folderview_check_new(item->folder);
 234 }
 235
 236 static void sync_cb(FolderView *folderview, guint action,
 237                            GtkWidget *widget)
 238 {
 239         FolderItem *item;
 240
 241         item = folderview_get_selected_item(folderview);
 242         g_return_if_fail(item != NULL);
 243         folder_synchronise(item->folder);
 244 }
 245
 246 void news_gtk_synchronise(FolderItem *item)
 247 {
 248         MainWindow *mainwin = mainwindow_get_mainwindow();
 249         FolderView *folderview = mainwin->folderview;
 250
 251         g_return_if_fail(item != NULL);
 252         g_return_if_fail(item->folder != NULL);
 253
 254         main_window_cursor_wait(mainwin);
 255         inc_lock();
 256         main_window_lock(mainwin);
 257         gtk_widget_set_sensitive(folderview->ctree, FALSE);
 258         main_window_progress_on(mainwin);
 259         GTK_EVENTS_FLUSH();
 260         if (folder_item_fetch_all_msg(item) < 0) {
 261                 gchar *name;
 262
 263                 name = trim_string(item->name, 32);
 264                 alertpanel_error(_("Error occurred while downloading messages in '%s'."), name);
 265                 g_free(name);
 266         }
 267         folder_set_ui_func(item->folder, NULL, NULL);
 268         main_window_progress_off(mainwin);
 269         gtk_widget_set_sensitive(folderview->ctree, TRUE);
 270         main_window_unlock(mainwin);
 271         inc_unlock();
 272         main_window_cursor_normal(mainwin);
 273 }
 274
 275 static void download_cb(FolderView *folderview, guint action,
 276                         GtkWidget *widget)
 277 {
 278         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 279         FolderItem *item;
 280
 281         if (!folderview->selected) return;
 282
 283         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 284         news_gtk_synchronise(item);
 285 }