Fix leak on error variable
[claws.git] / src / news_gtk.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29
30 #include <gtk/gtk.h>
31
32 #include "utils.h"
33 #include "folder.h"
34 #include "folderview.h"
35 #include "menu.h"
36 #include "account.h"
37 #include "alertpanel.h"
38 #include "grouplistdialog.h"
39 #include "prefs_common.h"
40 #include "news_gtk.h"
41 #include "common/hooks.h"
42 #include "inc.h"
43 #include "news.h"
44 #include "statusbar.h"
45 #include "inputdialog.h"
46
47 static void subscribe_newsgroup_cb(GtkAction *action, gpointer data);
48 static void unsubscribe_newsgroup_cb(GtkAction *action, gpointer data);
49 static void rename_newsgroup_cb(GtkAction *action, gpointer data);
50 static void update_tree_cb(GtkAction *action, gpointer data);
51 static void download_cb(GtkAction *action, gpointer data);
52 static void sync_cb(GtkAction *action, gpointer data);
53
54 static GtkActionEntry news_popup_entries[] =
55 {
56         {"FolderViewPopup/Subscribe",           NULL, N_("_Subscribe to newsgroup..."), NULL, NULL, G_CALLBACK(subscribe_newsgroup_cb) },
57         {"FolderViewPopup/Unsubscribe",         NULL, N_("_Unsubscribe newsgroup"), NULL, NULL, G_CALLBACK(unsubscribe_newsgroup_cb) },
58
59         {"FolderViewPopup/Synchronise",         NULL, N_("Synchronise"), NULL, NULL, G_CALLBACK(sync_cb) },
60         {"FolderViewPopup/DownloadMessages",    NULL, N_("Down_load messages"), NULL, NULL, G_CALLBACK(download_cb) },
61         {"FolderViewPopup/RenameFolder",        NULL, N_("_Rename folder..."), NULL, NULL, G_CALLBACK(rename_newsgroup_cb) },
62
63         {"FolderViewPopup/CheckNewMessages",    NULL, N_("_Check for new messages"), NULL, NULL, G_CALLBACK(update_tree_cb) },
64
65 };
66
67 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item);
68 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item);
69
70 static FolderViewPopup news_popup =
71 {
72         "news",
73         "<NewsFolder>",
74         news_popup_entries,
75         G_N_ELEMENTS(news_popup_entries),
76         NULL, 0,
77         NULL, 0, 0, NULL,
78         add_menuitems,
79         set_sensitivity
80 };
81
82 void news_gtk_init(void)
83 {
84         folderview_register_popup(&news_popup);
85 }
86
87 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item)
88 {
89         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Subscribe", "FolderViewPopup/Subscribe", GTK_UI_MANAGER_MENUITEM)
90         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Unsubscribe", "FolderViewPopup/Unsubscribe", GTK_UI_MANAGER_MENUITEM)
91         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
92         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Synchronise", "FolderViewPopup/Synchronise", GTK_UI_MANAGER_MENUITEM)
93         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "DownloadMessages", "FolderViewPopup/DownloadMessages", GTK_UI_MANAGER_MENUITEM)
94         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RenameFolder", "FolderViewPopup/RenameFolder", GTK_UI_MANAGER_MENUITEM)
95         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews2", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
96         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CheckNewMessages", "FolderViewPopup/CheckNewMessages", GTK_UI_MANAGER_MENUITEM)
97         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews3", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
98 }
99         
100 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item)
101 {
102         MainWindow *mainwin = mainwindow_get_mainwindow();
103         
104 #define SET_SENS(name, sens) \
105         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
106
107         SET_SENS("FolderViewPopup/Subscribe", 
108                         folder_item_parent(item) == NULL 
109                         && mainwin->lock_count == 0
110                         && news_folder_locked(item->folder) == 0);
111         SET_SENS("FolderViewPopup/Unsubscribe",     
112                         folder_item_parent(item) != NULL 
113                         && mainwin->lock_count == 0
114                         && news_folder_locked(item->folder) == 0);
115         SET_SENS("FolderViewPopup/CheckNewMessages",    
116                         folder_item_parent(item) == NULL 
117                         && mainwin->lock_count == 0
118                         && news_folder_locked(item->folder) == 0);
119         SET_SENS("FolderViewPopup/Synchronise",    
120                         item ? (folder_item_parent(item) != NULL
121                         && folder_want_synchronise(item->folder))
122                         : FALSE);
123         SET_SENS("FolderViewPopup/DownloadMessages",
124                         item ? (folder_item_parent(item) != NULL
125                         && !item->no_select)
126                         : FALSE);
127         SET_SENS("FolderViewPopup/RenameFolder",
128                         folder_item_parent(item) != NULL 
129                         && mainwin->lock_count == 0
130                         && news_folder_locked(item->folder) == 0);
131 #undef SET_SENS
132 }
133
134 static FolderItem *news_find_child_item(FolderItem *item, const gchar *path)
135 {
136         GNode *node;
137         FolderItem *child;
138
139         for (node = item->node->children; node != NULL; node = node->next) {
140                 child = FOLDER_ITEM(node->data);
141                 if (g_strcmp0(child->path, path) == 0) {
142                         return child;
143                 }
144         }
145
146         return NULL;
147 }
148
149 static void subscribe_newsgroup_cb(GtkAction *action, gpointer data)
150 {
151         FolderView *folderview = (FolderView *)data;
152         Folder *folder;
153         FolderItem *item;
154         FolderItem *rootitem;
155         FolderItem *newitem;
156         GSList *new_subscr;
157         GSList *cur;
158         GNode *gnode;
159         MainWindow *mainwin = mainwindow_get_mainwindow();
160         
161         if ((item = folderview_get_selected_item(folderview)) == NULL) return;
162
163         if (mainwin->lock_count || news_folder_locked(item->folder))
164                 return;
165
166         folder = item->folder;
167         cm_return_if_fail(folder != NULL);
168         cm_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
169         cm_return_if_fail(folder->account != NULL);
170
171         if ((rootitem = folder_item_parent(item)) == NULL)
172                 rootitem = item;
173
174         new_subscr = grouplist_dialog(folder);
175
176         /* remove unsubscribed newsgroups */
177         for (gnode = folder->node->children; gnode != NULL; ) {
178                 GNode *next = gnode->next;
179
180                 item = FOLDER_ITEM(gnode->data);
181                 if (g_slist_find_custom(new_subscr, item->path,
182                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
183                         gnode = next;
184                         continue;
185                 }
186
187                 if (folderview_get_opened_item(folderview) == item) {
188                         summary_clear_all(folderview->summaryview);
189                         folderview_close_opened(folderview, TRUE);
190                 }
191
192                 folderview_remove_item(folderview, item);
193                 folder_item_remove(item);
194
195                 gnode = next;
196         }
197
198         folderview_freeze(folderview);
199
200         /* add subscribed newsgroups */
201         for (cur = new_subscr; cur != NULL; cur = cur->next) {
202                 gchar *name = (gchar *)cur->data;
203                 FolderUpdateData hookdata;
204
205                 if (news_find_child_item(rootitem, name) != NULL)
206                         continue;
207
208                 newitem = folder_item_new(folder, name, name);
209                 folder_item_append(rootitem, newitem);
210
211                 hookdata.folder = newitem->folder;
212                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
213                 hookdata.item = newitem;
214                 hookdata.item2 = NULL;
215                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
216         }
217
218         folderview_thaw(folderview);
219
220         slist_free_strings_full(new_subscr);
221
222         folder_write_list();
223 }
224
225 static void unsubscribe_newsgroup_cb(GtkAction *action, gpointer data)
226 {
227         FolderView *folderview = (FolderView *)data;
228         FolderItem *item;
229         gchar *name;
230         gchar *message;
231         gchar *old_id;
232         AlertValue avalue;
233         MainWindow *mainwin = mainwindow_get_mainwindow();
234         
235         if (!folderview->selected) return;
236
237         item = folderview_get_selected_item(folderview);
238         cm_return_if_fail(item != NULL);
239
240         if (mainwin->lock_count || news_folder_locked(item->folder))
241                 return;
242
243         cm_return_if_fail(item->folder != NULL);
244         cm_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
245         cm_return_if_fail(item->folder->account != NULL);
246
247         old_id = folder_item_get_identifier(item);
248
249         name = trim_string(item->path, 32);
250         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
251         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
252                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL,
253                                                          ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
254         g_free(message);
255         g_free(name);
256         if (avalue != G_ALERTALTERNATE) return;
257
258         if (item == folderview_get_opened_item(folderview)) {
259                 summary_clear_all(folderview->summaryview);
260                 folderview_close_opened(folderview, TRUE);
261         }
262
263         if(item->folder->klass->remove_folder(item->folder, item) < 0) {
264                 folder_item_scan(item);
265                 alertpanel_error(_("Can't remove the folder '%s'."), name);
266                 g_free(old_id);
267                 return;
268         }
269         
270         folder_write_list();
271         
272         prefs_filtering_delete_path(old_id);
273         g_free(old_id);
274 }
275
276 static void rename_newsgroup_cb(GtkAction *action, gpointer data)
277 {
278         FolderView *folderview = (FolderView *)data;
279         FolderItem *item;
280         gchar *new_folder;
281         gchar *name;
282         gchar *message;
283
284         item = folderview_get_selected_item(folderview);
285         cm_return_if_fail(item != NULL);
286         cm_return_if_fail(item->path != NULL);
287         cm_return_if_fail(item->folder != NULL);
288
289         name = trim_string(item->name, 32);
290         message = g_strdup_printf(_("Input new name for '%s':"), name);
291         new_folder = input_dialog(_("Rename newsgroup folder"), message, item->name);
292         g_free(message);
293         g_free(name);
294
295         if (!new_folder) return;
296         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
297
298         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
299                 alertpanel_error(_("'%c' can't be included in folder name."),
300                                  G_DIR_SEPARATOR);
301                 return;
302         }
303
304         if (folder_find_child_item_by_name(folder_item_parent(item), new_folder)) {
305                 name = trim_string(new_folder, 32);
306                 alertpanel_error(_("The folder '%s' already exists."), name);
307                 g_free(name);
308                 return;
309         }
310
311         if (folder_item_rename(item, new_folder) < 0) {
312                 alertpanel_error(_("The folder could not be renamed.\n"
313                                    "The new folder name is not allowed."));
314                 return;
315         }
316
317         folder_write_list();
318 }
319
320 static void update_tree_cb(GtkAction *action, gpointer data)
321 {
322         FolderView *folderview = (FolderView *)data;
323         FolderItem *item;
324         MainWindow *mainwin = mainwindow_get_mainwindow();
325         
326         item = folderview_get_selected_item(folderview);
327         cm_return_if_fail(item != NULL);
328
329         if (mainwin->lock_count || news_folder_locked(item->folder))
330                 return;
331
332         summary_show(folderview->summaryview, NULL);
333
334         cm_return_if_fail(item->folder != NULL);
335
336         folderview_check_new(item->folder);
337 }
338
339 static void sync_cb(GtkAction *action, gpointer data)
340 {
341         FolderView *folderview = (FolderView *)data;
342         FolderItem *item;
343
344         item = folderview_get_selected_item(folderview);
345         cm_return_if_fail(item != NULL);
346         folder_synchronise(item->folder);
347 }
348
349 void news_gtk_synchronise(FolderItem *item, gint days)
350 {
351         MainWindow *mainwin = mainwindow_get_mainwindow();
352         FolderView *folderview = mainwin->folderview;
353         GSList *mlist;
354         GSList *cur;
355         gint num = 0;
356         gint total = 0;
357         time_t t = time(NULL);
358
359         cm_return_if_fail(item != NULL);
360         cm_return_if_fail(item->folder != NULL);
361
362         if (mainwin->lock_count || news_folder_locked(item->folder))
363                 return;
364
365         total = item->total_msgs;
366
367         main_window_cursor_wait(mainwin);
368         inc_lock();
369         main_window_lock(mainwin);
370         gtk_widget_set_sensitive(folderview->ctree, FALSE);
371         main_window_progress_on(mainwin);
372         GTK_EVENTS_FLUSH();
373
374         mlist = folder_item_get_msg_list(item);
375         for (cur = mlist; cur != NULL; cur = cur->next) {
376                 MsgInfo *msginfo = (MsgInfo *)cur->data;
377                 gint age = (t - msginfo->date_t) / (60*60*24);
378                 if (days == 0 || age <= days)
379                         folder_item_fetch_msg_full(msginfo->folder, msginfo->msgnum, TRUE, TRUE);
380                 statusbar_progress_all(num++,total, 100);
381                 if (num % 100 == 0)
382                         GTK_EVENTS_FLUSH();
383         }
384
385         statusbar_progress_all(0,0,0);
386         procmsg_msg_list_free(mlist);
387         folder_set_ui_func(item->folder, NULL, NULL);
388         main_window_progress_off(mainwin);
389         gtk_widget_set_sensitive(folderview->ctree, TRUE);
390         main_window_unlock(mainwin);
391         inc_unlock();
392         main_window_cursor_normal(mainwin);
393 }
394
395 static void download_cb(GtkAction *action, gpointer data)
396 {
397         FolderView *folderview = (FolderView *)data;
398         FolderItem *item;
399
400         if (!folderview->selected) return;
401
402         item = folderview_get_selected_item(folderview);
403         news_gtk_synchronise(item, 0);
404 }