2008-10-02 [colin] 3.5.0cvs144
[claws.git] / 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 #include "inputdialog.h"
45
46 static void subscribe_newsgroup_cb(GtkAction *action, gpointer data);
47 static void unsubscribe_newsgroup_cb(GtkAction *action, gpointer data);
48 static void rename_newsgroup_cb(GtkAction *action, gpointer data);
49 static void update_tree_cb(GtkAction *action, gpointer data);
50 static void download_cb(GtkAction *action, gpointer data);
51 static void sync_cb(GtkAction *action, gpointer data);
52
53 static GtkActionEntry news_popup_entries[] =
54 {
55         {"FolderViewPopup/Subscribe",           NULL, N_("_Subscribe to newsgroup..."), NULL, NULL, G_CALLBACK(subscribe_newsgroup_cb) },
56         {"FolderViewPopup/Unsubscribe",         NULL, N_("_Unsubscribe newsgroup"), NULL, NULL, G_CALLBACK(unsubscribe_newsgroup_cb) },
57
58         {"FolderViewPopup/Synchronise",         NULL, N_("Synchronise"), NULL, NULL, G_CALLBACK(sync_cb) },
59         {"FolderViewPopup/DownloadMessages",    NULL, N_("Down_load messages"), NULL, NULL, G_CALLBACK(download_cb) },
60         {"FolderViewPopup/RenameFolder",        NULL, N_("_Rename folder..."), NULL, NULL, G_CALLBACK(rename_newsgroup_cb) },
61
62         {"FolderViewPopup/CheckNewMessages",    NULL, N_("_Check for new messages"), NULL, NULL, G_CALLBACK(update_tree_cb) },
63
64 };
65
66 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item);
67 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item);
68
69 static FolderViewPopup news_popup =
70 {
71         "news",
72         "<NewsFolder>",
73         news_popup_entries,
74         G_N_ELEMENTS(news_popup_entries),
75         NULL, 0,
76         NULL, 0, 0, NULL,
77         add_menuitems,
78         set_sensitivity
79 };
80
81 void news_gtk_init(void)
82 {
83         folderview_register_popup(&news_popup);
84 }
85
86 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item)
87 {
88         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Subscribe", "FolderViewPopup/Subscribe", GTK_UI_MANAGER_MENUITEM)
89         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Unsubscribe", "FolderViewPopup/Unsubscribe", GTK_UI_MANAGER_MENUITEM)
90         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
91         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Synchronise", "FolderViewPopup/Synchronise", GTK_UI_MANAGER_MENUITEM)
92         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "DownloadMessages", "FolderViewPopup/DownloadMessages", GTK_UI_MANAGER_MENUITEM)
93         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RenameFolder", "FolderViewPopup/RenameFolder", GTK_UI_MANAGER_MENUITEM)
94         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews2", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
95         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CheckNewMessages", "FolderViewPopup/CheckNewMessages", GTK_UI_MANAGER_MENUITEM)
96         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorNews3", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
97 }
98         
99 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item)
100 {
101         MainWindow *mainwin = mainwindow_get_mainwindow();
102         
103 #define SET_SENS(name, sens) \
104         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
105
106         SET_SENS("FolderViewPopup/Subscribe", 
107                         folder_item_parent(item) == NULL 
108                         && mainwin->lock_count == 0
109                         && news_folder_locked(item->folder) == 0);
110         SET_SENS("FolderViewPopup/Unsubscribe",     
111                         folder_item_parent(item) != NULL 
112                         && mainwin->lock_count == 0
113                         && news_folder_locked(item->folder) == 0);
114         SET_SENS("FolderViewPopup/CheckNewMessages",    
115                         folder_item_parent(item) == NULL 
116                         && mainwin->lock_count == 0
117                         && news_folder_locked(item->folder) == 0);
118         SET_SENS("FolderViewPopup/Synchronise",    
119                         item ? (folder_item_parent(item) != NULL
120                         && folder_want_synchronise(item->folder))
121                         : FALSE);
122         SET_SENS("FolderViewPopup/DownloadMessages",
123                         item ? (folder_item_parent(item) != NULL
124                         && !item->no_select)
125                         : FALSE);
126         SET_SENS("FolderViewPopup/RenameFolder",
127                         folder_item_parent(item) != NULL 
128                         && mainwin->lock_count == 0
129                         && news_folder_locked(item->folder) == 0);
130 #undef SET_SENS
131 }
132
133 static void subscribe_newsgroup_cb(GtkAction *action, gpointer data)
134 {
135         FolderView *folderview = (FolderView *)data;
136         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
137         GtkCMCTreeNode *servernode, *node;
138         Folder *folder;
139         FolderItem *item;
140         FolderItem *rootitem;
141         FolderItem *newitem;
142         GSList *new_subscr;
143         GSList *cur;
144         GNode *gnode;
145         MainWindow *mainwin = mainwindow_get_mainwindow();
146         
147         if (!folderview->selected) return;
148
149         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
150         g_return_if_fail(item != NULL);
151
152         if (mainwin->lock_count || news_folder_locked(item->folder))
153                 return;
154
155         folder = item->folder;
156         g_return_if_fail(folder != NULL);
157         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
158         g_return_if_fail(folder->account != NULL);
159
160         if (GTK_CMCTREE_ROW(folderview->selected)->parent != NULL)
161                 servernode = GTK_CMCTREE_ROW(folderview->selected)->parent;
162         else
163                 servernode = folderview->selected;
164
165         rootitem = gtk_cmctree_node_get_row_data(ctree, servernode);
166
167         new_subscr = grouplist_dialog(folder);
168
169         /* remove unsubscribed newsgroups */
170         for (gnode = folder->node->children; gnode != NULL; ) {
171                 GNode *next = gnode->next;
172
173                 item = FOLDER_ITEM(gnode->data);
174                 if (g_slist_find_custom(new_subscr, item->path,
175                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
176                         gnode = next;
177                         continue;
178                 }
179
180                 node = gtk_cmctree_find_by_row_data(ctree, servernode, item);
181                 if (!node) {
182                         gnode = next;
183                         continue;
184                 }
185
186                 if (folderview->opened == node) {
187                         summary_clear_all(folderview->summaryview);
188                         folderview->opened = NULL;
189                 }
190
191                 gtk_cmctree_remove_node(ctree, node);
192                 folder_item_remove(item);
193
194                 gnode = next;
195         }
196
197         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
198
199         /* add subscribed newsgroups */
200         for (cur = new_subscr; cur != NULL; cur = cur->next) {
201                 gchar *name = (gchar *)cur->data;
202                 FolderUpdateData hookdata;
203
204                 if (folder_find_child_item_by_name(rootitem, name) != NULL)
205                         continue;
206
207                 newitem = folder_item_new(folder, name, name);
208                 folder_item_append(rootitem, newitem);
209
210                 hookdata.folder = newitem->folder;
211                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
212                 hookdata.item = newitem;
213                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
214         }
215
216         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
217
218         slist_free_strings(new_subscr);
219         g_slist_free(new_subscr);
220
221         folder_write_list();
222 }
223
224 static void unsubscribe_newsgroup_cb(GtkAction *action, gpointer data)
225 {
226         FolderView *folderview = (FolderView *)data;
227         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
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 = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
238         g_return_if_fail(item != NULL);
239
240         if (mainwin->lock_count || news_folder_locked(item->folder))
241                 return;
242
243         g_return_if_fail(item->folder != NULL);
244         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
245         g_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, FALSE,
253                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
254         g_free(message);
255         g_free(name);
256         if (avalue != G_ALERTALTERNATE) return;
257
258         if (folderview->opened == folderview->selected) {
259                 summary_clear_all(folderview->summaryview);
260                 folderview->opened = NULL;
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 FolderItem *find_child_by_name(FolderItem *item, const gchar *name)
277 {
278         GNode *node;
279         FolderItem *child;
280
281         for (node = item->node->children; node != NULL; node = node->next) {
282                 child = FOLDER_ITEM(node->data);
283                 if (strcmp2(child->name, name) == 0) {
284                         return child;
285                 }
286         }
287
288         return NULL;
289 }
290
291 static void rename_newsgroup_cb(GtkAction *action, gpointer data)
292 {
293         FolderView *folderview = (FolderView *)data;
294         FolderItem *item;
295         gchar *new_folder;
296         gchar *name;
297         gchar *message;
298
299         item = folderview_get_selected_item(folderview);
300         g_return_if_fail(item != NULL);
301         g_return_if_fail(item->path != NULL);
302         g_return_if_fail(item->folder != NULL);
303
304         name = trim_string(item->name, 32);
305         message = g_strdup_printf(_("Input new name for '%s':"), name);
306         new_folder = input_dialog(_("Rename newsgroup folder"), message, item->name);
307         g_free(message);
308         g_free(name);
309
310         if (!new_folder) return;
311         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
312
313         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
314                 alertpanel_error(_("'%c' can't be included in folder name."),
315                                  G_DIR_SEPARATOR);
316                 return;
317         }
318
319         if (find_child_by_name(folder_item_parent(item), new_folder)) {
320                 name = trim_string(new_folder, 32);
321                 alertpanel_error(_("The folder '%s' already exists."), name);
322                 g_free(name);
323                 return;
324         }
325
326         if (folder_item_rename(item, new_folder) < 0) {
327                 alertpanel_error(_("The folder could not be renamed.\n"
328                                    "The new folder name is not allowed."));
329                 return;
330         }
331
332         folder_write_list();
333 }
334
335 static void update_tree_cb(GtkAction *action, gpointer data)
336 {
337         FolderView *folderview = (FolderView *)data;
338         FolderItem *item;
339         MainWindow *mainwin = mainwindow_get_mainwindow();
340         
341         item = folderview_get_selected_item(folderview);
342         g_return_if_fail(item != NULL);
343
344         if (mainwin->lock_count || news_folder_locked(item->folder))
345                 return;
346
347         summary_show(folderview->summaryview, NULL);
348
349         g_return_if_fail(item->folder != NULL);
350
351         folderview_check_new(item->folder);
352 }
353
354 static void sync_cb(GtkAction *action, gpointer data)
355 {
356         FolderView *folderview = (FolderView *)data;
357         FolderItem *item;
358
359         item = folderview_get_selected_item(folderview);
360         g_return_if_fail(item != NULL);
361         folder_synchronise(item->folder);
362 }
363
364 void news_gtk_synchronise(FolderItem *item, gint days)
365 {
366         MainWindow *mainwin = mainwindow_get_mainwindow();
367         FolderView *folderview = mainwin->folderview;
368         GSList *mlist;
369         GSList *cur;
370         gint num = 0;
371         gint total = 0;
372         time_t t = time(NULL);
373
374         g_return_if_fail(item != NULL);
375         g_return_if_fail(item->folder != NULL);
376
377         if (mainwin->lock_count || news_folder_locked(item->folder))
378                 return;
379
380         total = item->total_msgs;
381
382         main_window_cursor_wait(mainwin);
383         inc_lock();
384         main_window_lock(mainwin);
385         gtk_widget_set_sensitive(folderview->ctree, FALSE);
386         main_window_progress_on(mainwin);
387         GTK_EVENTS_FLUSH();
388
389         mlist = folder_item_get_msg_list(item);
390         for (cur = mlist; cur != NULL; cur = cur->next) {
391                 MsgInfo *msginfo = (MsgInfo *)cur->data;
392                 gint age = (t - msginfo->date_t) / (60*60*24);
393                 if (days == 0 || age <= days)
394                         folder_item_fetch_msg_full(msginfo->folder, msginfo->msgnum, TRUE, TRUE);
395                 statusbar_progress_all(num++,total, 100);
396                 if (num % 100 == 0)
397                         GTK_EVENTS_FLUSH();
398         }
399
400         statusbar_progress_all(0,0,0);
401         procmsg_msg_list_free(mlist);
402         folder_set_ui_func(item->folder, NULL, NULL);
403         main_window_progress_off(mainwin);
404         gtk_widget_set_sensitive(folderview->ctree, TRUE);
405         main_window_unlock(mainwin);
406         inc_unlock();
407         main_window_cursor_normal(mainwin);
408 }
409
410 static void download_cb(GtkAction *action, gpointer data)
411 {
412         FolderView *folderview = (FolderView *)data;
413         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
414         FolderItem *item;
415
416         if (!folderview->selected) return;
417
418         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
419         news_gtk_synchronise(item, 0);
420 }