2006-02-24 [paul] 2.0.0cvs79
[claws.git] / 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 #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         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
55         {N_("/Synchronise"),                    NULL, sync_cb,          0, NULL},
56         {N_("/Down_load messages"),             NULL, download_cb,               0, NULL},
57         {N_("/---"),                            NULL, NULL,                      0, "<Separator>"},
58         {N_("/_Check for new messages"),        NULL, update_tree_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         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
104 #undef SET_SENS
105 }
106
107 static void subscribe_newsgroup_cb(FolderView *folderview, guint action, GtkWidget *widget)
108 {
109         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
110         GtkCTreeNode *servernode, *node;
111         Folder *folder;
112         FolderItem *item;
113         FolderItem *rootitem;
114         FolderItem *newitem;
115         GSList *new_subscr;
116         GSList *cur;
117         GNode *gnode;
118         MainWindow *mainwin = mainwindow_get_mainwindow();
119         
120         if (!folderview->selected) return;
121
122         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
123         g_return_if_fail(item != NULL);
124
125         if (mainwin->lock_count || news_folder_locked(item->folder))
126                 return;
127
128         folder = item->folder;
129         g_return_if_fail(folder != NULL);
130         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
131         g_return_if_fail(folder->account != NULL);
132
133         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
134                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
135         else
136                 servernode = folderview->selected;
137
138         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
139
140         new_subscr = grouplist_dialog(folder);
141
142         /* remove unsubscribed newsgroups */
143         for (gnode = folder->node->children; gnode != NULL; ) {
144                 GNode *next = gnode->next;
145
146                 item = FOLDER_ITEM(gnode->data);
147                 if (g_slist_find_custom(new_subscr, item->path,
148                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
149                         gnode = next;
150                         continue;
151                 }
152
153                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
154                 if (!node) {
155                         gnode = next;
156                         continue;
157                 }
158
159                 if (folderview->opened == node) {
160                         summary_clear_all(folderview->summaryview);
161                         folderview->opened = NULL;
162                 }
163
164                 gtk_ctree_remove_node(ctree, node);
165                 folder_item_remove(item);
166
167                 gnode = next;
168         }
169
170         gtk_clist_freeze(GTK_CLIST(ctree));
171
172         /* add subscribed newsgroups */
173         for (cur = new_subscr; cur != NULL; cur = cur->next) {
174                 gchar *name = (gchar *)cur->data;
175                 FolderUpdateData hookdata;
176
177                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
178                         continue;
179
180                 newitem = folder_item_new(folder, name, name);
181                 folder_item_append(rootitem, newitem);
182
183                 hookdata.folder = newitem->folder;
184                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
185                 hookdata.item = newitem;
186                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
187         }
188
189         gtk_clist_thaw(GTK_CLIST(ctree));
190
191         slist_free_strings(new_subscr);
192         g_slist_free(new_subscr);
193
194         folder_write_list();
195 }
196
197 static void unsubscribe_newsgroup_cb(FolderView *folderview, guint action,
198                                      GtkWidget *widget)
199 {
200         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
201         FolderItem *item;
202         gchar *name;
203         gchar *message;
204         gchar *old_id;
205         AlertValue avalue;
206         MainWindow *mainwin = mainwindow_get_mainwindow();
207         
208         if (!folderview->selected) return;
209
210         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
211         g_return_if_fail(item != NULL);
212
213         if (mainwin->lock_count || news_folder_locked(item->folder))
214                 return;
215
216         g_return_if_fail(item->folder != NULL);
217         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
218         g_return_if_fail(item->folder->account != NULL);
219
220         old_id = folder_item_get_identifier(item);
221
222         name = trim_string(item->path, 32);
223         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
224         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
225                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL, FALSE,
226                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
227         g_free(message);
228         g_free(name);
229         if (avalue != G_ALERTALTERNATE) return;
230
231         if (folderview->opened == folderview->selected) {
232                 summary_clear_all(folderview->summaryview);
233                 folderview->opened = NULL;
234         }
235
236         folder_item_remove(item);
237         folder_write_list();
238         
239         prefs_filtering_delete_path(old_id);
240         g_free(old_id);
241 }
242
243 static void update_tree_cb(FolderView *folderview, guint action,
244                            GtkWidget *widget)
245 {
246         FolderItem *item;
247         MainWindow *mainwin = mainwindow_get_mainwindow();
248         
249         item = folderview_get_selected_item(folderview);
250         g_return_if_fail(item != NULL);
251
252         if (mainwin->lock_count || news_folder_locked(item->folder))
253                 return;
254
255         summary_show(folderview->summaryview, NULL);
256
257         g_return_if_fail(item->folder != NULL);
258
259         folderview_check_new(item->folder);
260 }
261
262 static void sync_cb(FolderView *folderview, guint action,
263                            GtkWidget *widget)
264 {
265         FolderItem *item;
266
267         item = folderview_get_selected_item(folderview);
268         g_return_if_fail(item != NULL);
269         folder_synchronise(item->folder);
270 }
271
272 void news_gtk_synchronise(FolderItem *item)
273 {
274         MainWindow *mainwin = mainwindow_get_mainwindow();
275         FolderView *folderview = mainwin->folderview;
276         
277         g_return_if_fail(item != NULL);
278         g_return_if_fail(item->folder != NULL);
279
280         if (mainwin->lock_count || news_folder_locked(item->folder))
281                 return;
282
283         main_window_cursor_wait(mainwin);
284         inc_lock();
285         main_window_lock(mainwin);
286         gtk_widget_set_sensitive(folderview->ctree, FALSE);
287         main_window_progress_on(mainwin);
288         GTK_EVENTS_FLUSH();
289         if (folder_item_fetch_all_msg(item) < 0) {
290                 gchar *name;
291
292                 name = trim_string(item->name, 32);
293                 alertpanel_error(_("Error occurred while downloading messages in '%s'."), name);
294                 g_free(name);
295         }
296         folder_set_ui_func(item->folder, NULL, NULL);
297         main_window_progress_off(mainwin);
298         gtk_widget_set_sensitive(folderview->ctree, TRUE);
299         main_window_unlock(mainwin);
300         inc_unlock();
301         main_window_cursor_normal(mainwin);
302 }
303
304 static void download_cb(FolderView *folderview, guint action,
305                         GtkWidget *widget)
306 {
307         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
308         FolderItem *item;
309
310         if (!folderview->selected) return;
311
312         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
313         news_gtk_synchronise(item);
314 }