src/news_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto & the Claws Mail 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 #include "news.h"
  43
  44 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget);
  45 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget);
  46 static void update_tree_cb(FolderView *folderview, guint action, GtkWidget *widget);
  47 static void download_cb(FolderView *folderview, guint action, GtkWidget *widget);
  48 static void sync_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         {"/---",                                NULL, NULL,                      0, "<Separator>"},
  55         {N_("/Synchronise"),                    NULL, sync_cb,          0, NULL},
  56         {N_("/Down_load messages"),             NULL, download_cb,               0, NULL},
  57         {"/---",                                NULL, NULL,                      0, "<Separator>"},
  58         {N_("/_Check for new messages"),        NULL, update_tree_cb,            0, NULL},
  59         {"/---",                                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         MainWindow *mainwin = mainwindow_get_mainwindow();
  87
  88 #define SET_SENS(name, sens) \
  89         menu_set_sensitive(factory, name, sens)
  90
  91         SET_SENS("/Subscribe to newsgroup...",
  92                  folder_item_parent(item) == NULL
  93                  && mainwin->lock_count == 0
  94                  && news_folder_locked(item->folder) == 0);
  95         SET_SENS("/Unsubscribe newsgroup",
  96                  folder_item_parent(item) != NULL
  97                  && mainwin->lock_count == 0
  98                  && news_folder_locked(item->folder) == 0);
  99         SET_SENS("/Check for new messages",
 100                  folder_item_parent(item) == NULL
 101                  && mainwin->lock_count == 0
 102                  && news_folder_locked(item->folder) == 0);
 103         SET_SENS("/Synchronise",
 104                  item ? (folder_item_parent(item) != NULL && folder_want_synchronise(item->folder))
 105                          : FALSE);
 106
 107 #undef SET_SENS
 108 }
 109
 110 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
 111 {
 112         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 113         GtkCTreeNode *servernode, *node;
 114         Folder *folder;
 115         FolderItem *item;
 116         FolderItem *rootitem;
 117         FolderItem *newitem;
 118         GSList *new_subscr;
 119         GSList *cur;
 120         GNode *gnode;
 121         MainWindow *mainwin = mainwindow_get_mainwindow();
 122
 123         if (!folderview->selected) return;
 124
 125         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 126         g_return_if_fail(item != NULL);
 127
 128         if (mainwin->lock_count || news_folder_locked(item->folder))
 129                 return;
 130
 131         folder = item->folder;
 132         g_return_if_fail(folder != NULL);
 133         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
 134         g_return_if_fail(folder->account != NULL);
 135
 136         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
 137                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
 138         else
 139                 servernode = folderview->selected;
 140
 141         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
 142
 143         new_subscr = grouplist_dialog(folder);
 144
 145         /* remove unsubscribed newsgroups */
 146         for (gnode = folder->node->children; gnode != NULL; ) {
 147                 GNode *next = gnode->next;
 148
 149                 item = FOLDER_ITEM(gnode->data);
 150                 if (g_slist_find_custom(new_subscr, item->path,
 151                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
 152                         gnode = next;
 153                         continue;
 154                 }
 155
 156                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
 157                 if (!node) {
 158                         gnode = next;
 159                         continue;
 160                 }
 161
 162                 if (folderview->opened == node) {
 163                         summary_clear_all(folderview->summaryview);
 164                         folderview->opened = NULL;
 165                 }
 166
 167                 gtk_ctree_remove_node(ctree, node);
 168                 folder_item_remove(item);
 169
 170                 gnode = next;
 171         }
 172
 173         gtk_clist_freeze(GTK_CLIST(ctree));
 174
 175         /* add subscribed newsgroups */
 176         for (cur = new_subscr; cur != NULL; cur = cur->next) {
 177                 gchar *name = (gchar *)cur->data;
 178                 FolderUpdateData hookdata;
 179
 180                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
 181                         continue;
 182
 183                 newitem = folder_item_new(folder, name, name);
 184                 folder_item_append(rootitem, newitem);
 185
 186                 hookdata.folder = newitem->folder;
 187                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 188                 hookdata.item = newitem;
 189                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 190         }
 191
 192         gtk_clist_thaw(GTK_CLIST(ctree));
 193
 194         slist_free_strings(new_subscr);
 195         g_slist_free(new_subscr);
 196
 197         folder_write_list();
 198 }
 199
 200 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
 201                                      GtkWidget *widget)
 202 {
 203         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 204         FolderItem *item;
 205         gchar *name;
 206         gchar *message;
 207         gchar *old_id;
 208         AlertValue avalue;
 209         MainWindow *mainwin = mainwindow_get_mainwindow();
 210
 211         if (!folderview->selected) return;
 212
 213         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 214         g_return_if_fail(item != NULL);
 215
 216         if (mainwin->lock_count || news_folder_locked(item->folder))
 217                 return;
 218
 219         g_return_if_fail(item->folder != NULL);
 220         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 221         g_return_if_fail(item->folder->account != NULL);
 222
 223         old_id = folder_item_get_identifier(item);
 224
 225         name = trim_string(item->path, 32);
 226         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
 227         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
 228                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL, FALSE,
 229                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
 230         g_free(message);
 231         g_free(name);
 232         if (avalue != G_ALERTALTERNATE) return;
 233
 234         if (folderview->opened == folderview->selected) {
 235                 summary_clear_all(folderview->summaryview);
 236                 folderview->opened = NULL;
 237         }
 238
 239         if(item->folder->klass->remove_folder(item->folder, item) < 0) {
 240                 folder_item_scan(item);
 241                 alertpanel_error(_("Can't remove the folder '%s'."), name);
 242                 g_free(old_id);
 243                 return;
 244         }
 245
 246         folder_write_list();
 247
 248         prefs_filtering_delete_path(old_id);
 249         g_free(old_id);
 250 }
 251
 252 static void update_tree_cb(FolderView *folderview, guint action,
 253                            GtkWidget *widget)
 254 {
 255         FolderItem *item;
 256         MainWindow *mainwin = mainwindow_get_mainwindow();
 257
 258         item = folderview_get_selected_item(folderview);
 259         g_return_if_fail(item != NULL);
 260
 261         if (mainwin->lock_count || news_folder_locked(item->folder))
 262                 return;
 263
 264         summary_show(folderview->summaryview, NULL);
 265
 266         g_return_if_fail(item->folder != NULL);
 267
 268         folderview_check_new(item->folder);
 269 }
 270
 271 static void sync_cb(FolderView *folderview, guint action,
 272                            GtkWidget *widget)
 273 {
 274         FolderItem *item;
 275
 276         item = folderview_get_selected_item(folderview);
 277         g_return_if_fail(item != NULL);
 278         folder_synchronise(item->folder);
 279 }
 280
 281 void news_gtk_synchronise(FolderItem *item)
 282 {
 283         MainWindow *mainwin = mainwindow_get_mainwindow();
 284         FolderView *folderview = mainwin->folderview;
 285
 286         g_return_if_fail(item != NULL);
 287         g_return_if_fail(item->folder != NULL);
 288
 289         if (mainwin->lock_count || news_folder_locked(item->folder))
 290                 return;
 291
 292         main_window_cursor_wait(mainwin);
 293         inc_lock();
 294         main_window_lock(mainwin);
 295         gtk_widget_set_sensitive(folderview->ctree, FALSE);
 296         main_window_progress_on(mainwin);
 297         GTK_EVENTS_FLUSH();
 298         if (folder_item_fetch_all_msg(item) < 0) {
 299                 gchar *name;
 300
 301                 name = trim_string(item->name, 32);
 302                 alertpanel_error(_("Error occurred while downloading messages in '%s'."), name);
 303                 g_free(name);
 304         }
 305         folder_set_ui_func(item->folder, NULL, NULL);
 306         main_window_progress_off(mainwin);
 307         gtk_widget_set_sensitive(folderview->ctree, TRUE);
 308         main_window_unlock(mainwin);
 309         inc_unlock();
 310         main_window_cursor_normal(mainwin);
 311 }
 312
 313 static void download_cb(FolderView *folderview, guint action,
 314                         GtkWidget *widget)
 315 {
 316         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 317         FolderItem *item;
 318
 319         if (!folderview->selected) return;
 320
 321         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 322         news_gtk_synchronise(item);
 323 }