Further improve API isolation of folderview.
[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 (strcmp2(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         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
153         Folder *folder;
154         FolderItem *item;
155         FolderItem *rootitem;
156         FolderItem *newitem;
157         GSList *new_subscr;
158         GSList *cur;
159         GNode *gnode;
160         MainWindow *mainwin = mainwindow_get_mainwindow();
161         
162         if ((item = folderview_get_selected_item(folderview)) == NULL) return;
163
164         if (mainwin->lock_count || news_folder_locked(item->folder))
165                 return;
166
167         folder = item->folder;
168         cm_return_if_fail(folder != NULL);
169         cm_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
170         cm_return_if_fail(folder->account != NULL);
171
172         if ((rootitem = folder_item_parent(item)) == NULL)
173                 rootitem = item;
174
175         new_subscr = grouplist_dialog(folder);
176
177         /* remove unsubscribed newsgroups */
178         for (gnode = folder->node->children; gnode != NULL; ) {
179                 GNode *next = gnode->next;
180
181                 item = FOLDER_ITEM(gnode->data);
182                 if (g_slist_find_custom(new_subscr, item->path,
183                                         (GCompareFunc)g_ascii_strcasecmp) != NULL) {
184                         gnode = next;
185                         continue;
186                 }
187
188                 if (folderview_get_opened_item(folderview) == item) {
189                         summary_clear_all(folderview->summaryview);
190                         folderview_close_opened(folderview, TRUE);
191                 }
192
193                 folderview_remove_item(folderview, item);
194                 folder_item_remove(item);
195
196                 gnode = next;
197         }
198
199         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
200
201         /* add subscribed newsgroups */
202         for (cur = new_subscr; cur != NULL; cur = cur->next) {
203                 gchar *name = (gchar *)cur->data;
204                 FolderUpdateData hookdata;
205
206                 if (news_find_child_item(rootitem, name) != NULL)
207                         continue;
208
209                 newitem = folder_item_new(folder, name, name);
210                 folder_item_append(rootitem, newitem);
211
212                 hookdata.folder = newitem->folder;
213                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
214                 hookdata.item = newitem;
215                 hookdata.item2 = NULL;
216                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
217         }
218
219         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
220
221         slist_free_strings_full(new_subscr);
222
223         folder_write_list();
224 }
225
226 static void unsubscribe_newsgroup_cb(GtkAction *action, gpointer data)
227 {
228         FolderView *folderview = (FolderView *)data;
229         FolderItem *item;
230         gchar *name;
231         gchar *message;
232         gchar *old_id;
233         AlertValue avalue;
234         MainWindow *mainwin = mainwindow_get_mainwindow();
235         
236         if (!folderview->selected) return;
237
238         item = folderview_get_selected_item(folderview);
239         cm_return_if_fail(item != NULL);
240
241         if (mainwin->lock_count || news_folder_locked(item->folder))
242                 return;
243
244         cm_return_if_fail(item->folder != NULL);
245         cm_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
246         cm_return_if_fail(item->folder->account != NULL);
247
248         old_id = folder_item_get_identifier(item);
249
250         name = trim_string(item->path, 32);
251         message = g_strdup_printf(_("Really unsubscribe newsgroup '%s'?"), name);
252         avalue = alertpanel_full(_("Unsubscribe newsgroup"), message,
253                                  GTK_STOCK_CANCEL, _("_Unsubscribe"), NULL, FALSE,
254                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
255         g_free(message);
256         g_free(name);
257         if (avalue != G_ALERTALTERNATE) return;
258
259         if (item == folderview_get_opened_item(folderview)) {
260                 summary_clear_all(folderview->summaryview);
261                 folderview_close_opened(folderview, TRUE);
262         }
263
264         if(item->folder->klass->remove_folder(item->folder, item) < 0) {
265                 folder_item_scan(item);
266                 alertpanel_error(_("Can't remove the folder '%s'."), name);
267                 g_free(old_id);
268                 return;
269         }
270         
271         folder_write_list();
272         
273         prefs_filtering_delete_path(old_id);
274         g_free(old_id);
275 }
276
277 static void rename_newsgroup_cb(GtkAction *action, gpointer data)
278 {
279         FolderView *folderview = (FolderView *)data;
280         FolderItem *item;
281         gchar *new_folder;
282         gchar *name;
283         gchar *message;
284
285         item = folderview_get_selected_item(folderview);
286         cm_return_if_fail(item != NULL);
287         cm_return_if_fail(item->path != NULL);
288         cm_return_if_fail(item->folder != NULL);
289
290         name = trim_string(item->name, 32);
291         message = g_strdup_printf(_("Input new name for '%s':"), name);
292         new_folder = input_dialog(_("Rename newsgroup folder"), message, item->name);
293         g_free(message);
294         g_free(name);
295
296         if (!new_folder) return;
297         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
298
299         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
300                 alertpanel_error(_("'%c' can't be included in folder name."),
301                                  G_DIR_SEPARATOR);
302                 return;
303         }
304
305         if (folder_find_child_item_by_name(folder_item_parent(item), new_folder)) {
306                 name = trim_string(new_folder, 32);
307                 alertpanel_error(_("The folder '%s' already exists."), name);
308                 g_free(name);
309                 return;
310         }
311
312         if (folder_item_rename(item, new_folder) < 0) {
313                 alertpanel_error(_("The folder could not be renamed.\n"
314                                    "The new folder name is not allowed."));
315                 return;
316         }
317
318         folder_write_list();
319 }
320
321 static void update_tree_cb(GtkAction *action, gpointer data)
322 {
323         FolderView *folderview = (FolderView *)data;
324         FolderItem *item;
325         MainWindow *mainwin = mainwindow_get_mainwindow();
326         
327         item = folderview_get_selected_item(folderview);
328         cm_return_if_fail(item != NULL);
329
330         if (mainwin->lock_count || news_folder_locked(item->folder))
331                 return;
332
333         summary_show(folderview->summaryview, NULL);
334
335         cm_return_if_fail(item->folder != NULL);
336
337         folderview_check_new(item->folder);
338 }
339
340 static void sync_cb(GtkAction *action, gpointer data)
341 {
342         FolderView *folderview = (FolderView *)data;
343         FolderItem *item;
344
345         item = folderview_get_selected_item(folderview);
346         cm_return_if_fail(item != NULL);
347         folder_synchronise(item->folder);
348 }
349
350 void news_gtk_synchronise(FolderItem *item, gint days)
351 {
352         MainWindow *mainwin = mainwindow_get_mainwindow();
353         FolderView *folderview = mainwin->folderview;
354         GSList *mlist;
355         GSList *cur;
356         gint num = 0;
357         gint total = 0;
358         time_t t = time(NULL);
359
360         cm_return_if_fail(item != NULL);
361         cm_return_if_fail(item->folder != NULL);
362
363         if (mainwin->lock_count || news_folder_locked(item->folder))
364                 return;
365
366         total = item->total_msgs;
367
368         main_window_cursor_wait(mainwin);
369         inc_lock();
370         main_window_lock(mainwin);
371         gtk_widget_set_sensitive(folderview->ctree, FALSE);
372         main_window_progress_on(mainwin);
373         GTK_EVENTS_FLUSH();
374
375         mlist = folder_item_get_msg_list(item);
376         for (cur = mlist; cur != NULL; cur = cur->next) {
377                 MsgInfo *msginfo = (MsgInfo *)cur->data;
378                 gint age = (t - msginfo->date_t) / (60*60*24);
379                 if (days == 0 || age <= days)
380                         folder_item_fetch_msg_full(msginfo->folder, msginfo->msgnum, TRUE, TRUE);
381                 statusbar_progress_all(num++,total, 100);
382                 if (num % 100 == 0)
383                         GTK_EVENTS_FLUSH();
384         }
385
386         statusbar_progress_all(0,0,0);
387         procmsg_msg_list_free(mlist);
388         folder_set_ui_func(item->folder, NULL, NULL);
389         main_window_progress_off(mainwin);
390         gtk_widget_set_sensitive(folderview->ctree, TRUE);
391         main_window_unlock(mainwin);
392         inc_unlock();
393         main_window_cursor_normal(mainwin);
394 }
395
396 static void download_cb(GtkAction *action, gpointer data)
397 {
398         FolderView *folderview = (FolderView *)data;
399         FolderItem *item;
400
401         if (!folderview->selected) return;
402
403         item = folderview_get_selected_item(folderview);
404         news_gtk_synchronise(item, 0);
405 }