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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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 #include "statusbar.h"
  44
  45 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget);
  46 static void unsubscribe_newsgroup_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 static void sync_cb(FolderView *folderview, guint action, GtkWidget *widget);
  50
  51 static GtkItemFactoryEntry news_popup_entries[] =
  52 {
  53         {N_("/_Subscribe to newsgroup..."),     NULL, subscribe_newsgroup_cb,    0, NULL},
  54         {N_("/_Unsubscribe newsgroup"),         NULL, unsubscribe_newsgroup_cb,  0, NULL},
  55         {"/---",                                NULL, NULL,                      0, "<Separator>"},
  56         {N_("/Synchronise"),                    NULL, sync_cb,          0, NULL},
  57         {N_("/Down_load messages"),             NULL, download_cb,               0, NULL},
  58         {"/---",                                NULL, NULL,                      0, "<Separator>"},
  59         {N_("/_Check for new messages"),        NULL, update_tree_cb,            0, NULL},
  60         {"/---",                                NULL, NULL,                      0, "<Separator>"},
  61 };
  62
  63 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item);
  64
  65 static FolderViewPopup news_popup =
  66 {
  67         "news",
  68         "<NewsFolder>",
  69         NULL,
  70         set_sensitivity
  71 };
  72
  73 void news_gtk_init(void)
  74 {
  75         guint i, n_entries;
  76
  77         n_entries = sizeof(news_popup_entries) /
  78                 sizeof(news_popup_entries[0]);
  79         for (i = 0; i < n_entries; i++)
  80                 news_popup.entries = g_slist_append(news_popup.entries, &news_popup_entries[i]);
  81
  82         folderview_register_popup(&news_popup);
  83 }
  84
  85 static void set_sensitivity(GtkItemFactory *factory, FolderItem *item)
  86 {
  87         MainWindow *mainwin = mainwindow_get_mainwindow();
  88
  89 #define SET_SENS(name, sens) \
  90         menu_set_sensitive(factory, name, sens)
  91
  92         SET_SENS("/Subscribe to newsgroup...",
  93                  folder_item_parent(item) == NULL
  94                  && mainwin->lock_count == 0
  95                  && news_folder_locked(item->folder) == 0);
  96         SET_SENS("/Unsubscribe newsgroup",
  97                  folder_item_parent(item) != NULL
  98                  && mainwin->lock_count == 0
  99                  && news_folder_locked(item->folder) == 0);
 100         SET_SENS("/Check for new messages",
 101                  folder_item_parent(item) == NULL
 102                  && mainwin->lock_count == 0
 103                  && news_folder_locked(item->folder) == 0);
 104         SET_SENS("/Synchronise",
 105                  item ? (folder_item_parent(item) != NULL && folder_want_synchronise(item->folder))
 106                          : FALSE);
 107
 108 #undef SET_SENS
 109 }
 110
 111 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
 112 {
 113         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 114         GtkCTreeNode *servernode, *node;
 115         Folder *folder;
 116         FolderItem *item;
 117         FolderItem *rootitem;
 118         FolderItem *newitem;
 119         GSList *new_subscr;
 120         GSList *cur;
 121         GNode *gnode;
 122         MainWindow *mainwin = mainwindow_get_mainwindow();
 123
 124         if (!folderview->selected) return;
 125
 126         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 127         g_return_if_fail(item != NULL);
 128
 129         if (mainwin->lock_count || news_folder_locked(item->folder))
 130                 return;
 131
 132         folder = item->folder;
 133         g_return_if_fail(folder != NULL);
 134         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
 135         g_return_if_fail(folder->account != NULL);
 136
 137         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
 138                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
 139         else
 140                 servernode = folderview->selected;
 141
 142         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
 143
 144         new_subscr = grouplist_dialog(folder);
 145
 146         /* remove unsubscribed newsgroups */
 147         for (gnode = folder->node->children; gnode != NULL; ) {
 148                 GNode *next = gnode->next;
 149
 150                 item = FOLDER_ITEM(gnode->data);
 151                 if (g_slist_find_custom(new_subscr, item->path,
 152                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
 153                         gnode = next;
 154                         continue;
 155                 }
 156
 157                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
 158                 if (!node) {
 159                         gnode = next;
 160                         continue;
 161                 }
 162
 163                 if (folderview->opened == node) {
 164                         summary_clear_all(folderview->summaryview);
 165                         folderview->opened = NULL;
 166                 }
 167
 168                 gtk_ctree_remove_node(ctree, node);
 169                 folder_item_remove(item);
 170
 171                 gnode = next;
 172         }
 173
 174         gtk_clist_freeze(GTK_CLIST(ctree));
 175
 176         /* add subscribed newsgroups */
 177         for (cur = new_subscr; cur != NULL; cur = cur->next) {
 178                 gchar *name = (gchar *)cur->data;
 179                 FolderUpdateData hookdata;
 180
 181                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
 182                         continue;
 183
 184                 newitem = folder_item_new(folder, name, name);
 185                 folder_item_append(rootitem, newitem);
 186
 187                 hookdata.folder = newitem->folder;
 188                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 189                 hookdata.item = newitem;
 190                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 191         }
 192
 193         gtk_clist_thaw(GTK_CLIST(ctree));
 194
 195         slist_free_strings(new_subscr);
 196         g_slist_free(new_subscr);
 197
 198         folder_write_list();
 199 }
 200
 201 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
 202                                      GtkWidget *widget)
 203 {
 204         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 205         FolderItem *item;
 206         gchar *name;
 207         gchar *message;
 208         gchar *old_id;
 209         AlertValue avalue;
 210         MainWindow *mainwin = mainwindow_get_mainwindow();
 211
 212         if (!folderview->selected) return;
 213
 214         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 215         g_return_if_fail(item != NULL);
 216
 217         if (mainwin->lock_count || news_folder_locked(item->folder))
 218                 return;
 219
 220         g_return_if_fail(item->folder != NULL);
 221         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
 222         g_return_if_fail(item->folder->account != NULL);
 223
 224         old_id = folder_item_get_identifier(item);
 225
 226         name = trim_string(item->path, 32);
 227         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
 228         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
 229                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL, FALSE,
 230                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
 231         g_free(message);
 232         g_free(name);
 233         if (avalue != G_ALERTALTERNATE) return;
 234
 235         if (folderview->opened == folderview->selected) {
 236                 summary_clear_all(folderview->summaryview);
 237                 folderview->opened = NULL;
 238         }
 239
 240         if(item->folder->klass->remove_folder(item->folder, item) < 0) {
 241                 folder_item_scan(item);
 242                 alertpanel_error(_("Can't remove the folder '%s'."), name);
 243                 g_free(old_id);
 244                 return;
 245         }
 246
 247         folder_write_list();
 248
 249         prefs_filtering_delete_path(old_id);
 250         g_free(old_id);
 251 }
 252
 253 static void update_tree_cb(FolderView *folderview, guint action,
 254                            GtkWidget *widget)
 255 {
 256         FolderItem *item;
 257         MainWindow *mainwin = mainwindow_get_mainwindow();
 258
 259         item = folderview_get_selected_item(folderview);
 260         g_return_if_fail(item != NULL);
 261
 262         if (mainwin->lock_count || news_folder_locked(item->folder))
 263                 return;
 264
 265         summary_show(folderview->summaryview, NULL);
 266
 267         g_return_if_fail(item->folder != NULL);
 268
 269         folderview_check_new(item->folder);
 270 }
 271
 272 static void sync_cb(FolderView *folderview, guint action,
 273                            GtkWidget *widget)
 274 {
 275         FolderItem *item;
 276
 277         item = folderview_get_selected_item(folderview);
 278         g_return_if_fail(item != NULL);
 279         folder_synchronise(item->folder);
 280 }
 281
 282 void news_gtk_synchronise(FolderItem *item, gint days)
 283 {
 284         MainWindow *mainwin = mainwindow_get_mainwindow();
 285         FolderView *folderview = mainwin->folderview;
 286         GSList *mlist;
 287         GSList *cur;
 288         gint num = 0;
 289         gint total = 0;
 290         time_t t = time(NULL);
 291
 292         g_return_if_fail(item != NULL);
 293         g_return_if_fail(item->folder != NULL);
 294
 295         if (mainwin->lock_count || news_folder_locked(item->folder))
 296                 return;
 297
 298         total = item->total_msgs;
 299
 300         main_window_cursor_wait(mainwin);
 301         inc_lock();
 302         main_window_lock(mainwin);
 303         gtk_widget_set_sensitive(folderview->ctree, FALSE);
 304         main_window_progress_on(mainwin);
 305         GTK_EVENTS_FLUSH();
 306
 307         mlist = folder_item_get_msg_list(item);
 308         for (cur = mlist; cur != NULL; cur = cur->next) {
 309                 MsgInfo *msginfo = (MsgInfo *)cur->data;
 310                 gint age = (t - msginfo->date_t) / (60*60*24);
 311                 if (days == 0 || age <= days)
 312                         folder_item_fetch_msg_full(msginfo->folder, msginfo->msgnum, TRUE, TRUE);
 313                 statusbar_progress_all(num++,total, 100);
 314                 if (num % 100 == 0)
 315                         GTK_EVENTS_FLUSH();
 316         }
 317
 318         statusbar_progress_all(0,0,0);
 319         procmsg_msg_list_free(mlist);
 320         folder_set_ui_func(item->folder, NULL, NULL);
 321         main_window_progress_off(mainwin);
 322         gtk_widget_set_sensitive(folderview->ctree, TRUE);
 323         main_window_unlock(mainwin);
 324         inc_unlock();
 325         main_window_cursor_normal(mainwin);
 326 }
 327
 328 static void download_cb(FolderView *folderview, guint action,
 329                         GtkWidget *widget)
 330 {
 331         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 332         FolderItem *item;
 333
 334         if (!folderview->selected) return;
 335
 336         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 337         news_gtk_synchronise(item, 0);
 338 }