* src/maemo/modest-msg-view-window.c
[modest] / src / maemo / modest-msg-view-window.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 #include <glib/gi18n.h>
30 #include <string.h>
31 #include <tny-account-store.h>
32 #include <tny-simple-list.h>
33 #include <tny-msg.h>
34 #include <tny-mime-part.h>
35 #include <tny-vfs-stream.h>
36 #include "modest-marshal.h"
37 #include "modest-platform.h"
38 #include <modest-utils.h>
39 #include <modest-maemo-utils.h>
40 #include <modest-tny-msg.h>
41 #include <modest-msg-view-window.h>
42 #include <modest-main-window-ui.h>
43 #include "modest-msg-view-window-ui-dimming.h"
44 #include <modest-widget-memory.h>
45 #include <modest-runtime.h>
46 #include <modest-window-priv.h>
47 #include <modest-tny-folder.h>
48 #include <modest-text-utils.h>
49 #include <modest-account-mgr-helpers.h>
50 #include "modest-progress-bar.h"
51 #include "modest-defs.h"
52 #include "modest-hildon-includes.h"
53 #include "modest-ui-dimming-manager.h"
54 #include <gdk/gdkkeysyms.h>
55 #include <modest-tny-account.h>
56 #include <modest-mime-part-view.h>
57 #include <modest-isearch-view.h>
58 #include <modest-tny-mime-part.h>
59 #include <math.h>
60 #include <errno.h>
61 #include <glib/gstdio.h>
62 #include <modest-debug.h>
63
64 #define DEFAULT_FOLDER "MyDocs/.documents"
65
66 static void  modest_msg_view_window_class_init   (ModestMsgViewWindowClass *klass);
67 static void  modest_msg_view_window_init         (ModestMsgViewWindow *obj);
68 static void  modest_header_view_observer_init(
69                 ModestHeaderViewObserverIface *iface_class);
70 static void  modest_msg_view_window_finalize     (GObject *obj);
71 static void  modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *obj,
72                                                          gpointer data);
73 static void  modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
74                                                         ModestMsgViewWindow *obj);
75 static void  modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
76                                                         ModestMsgViewWindow *obj);
77
78 static void modest_msg_view_window_disconnect_signals (ModestWindow *self);
79 static void modest_msg_view_window_set_zoom (ModestWindow *window,
80                                              gdouble zoom);
81 static gdouble modest_msg_view_window_get_zoom (ModestWindow *window);
82 static gboolean modest_msg_view_window_zoom_minus (ModestWindow *window);
83 static gboolean modest_msg_view_window_zoom_plus (ModestWindow *window);
84 static gboolean modest_msg_view_window_key_event (GtkWidget *window,
85                                                   GdkEventKey *event,
86                                                   gpointer userdata);
87 static gboolean modest_msg_view_window_window_state_event (GtkWidget *widget, 
88                                                            GdkEventWindowState *event, 
89                                                            gpointer userdata);
90 static void modest_msg_view_window_update_priority (ModestMsgViewWindow *window);
91
92 static void modest_msg_view_window_show_toolbar   (ModestWindow *window,
93                                                    gboolean show_toolbar);
94
95 static void modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
96                                                            GdkEvent *event,
97                                                            ModestMsgViewWindow *window);
98 void modest_msg_view_window_on_row_changed(
99                 GtkTreeModel *header_model,
100                 GtkTreePath *arg1,
101                 GtkTreeIter *arg2,
102                 ModestMsgViewWindow *window);
103
104 void modest_msg_view_window_on_row_deleted(
105                 GtkTreeModel *header_model,
106                 GtkTreePath *arg1,
107                 ModestMsgViewWindow *window);
108
109 void modest_msg_view_window_on_row_inserted(
110                 GtkTreeModel *header_model,
111                 GtkTreePath *tree_path,
112                 GtkTreeIter *tree_iter,
113                 ModestMsgViewWindow *window);
114
115 void modest_msg_view_window_on_row_reordered(
116                 GtkTreeModel *header_model,
117                 GtkTreePath *arg1,
118                 GtkTreeIter *arg2,
119                 gpointer arg3,
120                 ModestMsgViewWindow *window);
121
122 void modest_msg_view_window_update_model_replaced(
123                 ModestHeaderViewObserver *window,
124                 GtkTreeModel *model,
125                 const gchar *tny_folder_id);
126
127 static void cancel_progressbar  (GtkToolButton *toolbutton,
128                                  ModestMsgViewWindow *self);
129
130 static void on_queue_changed    (ModestMailOperationQueue *queue,
131                                  ModestMailOperation *mail_op,
132                                  ModestMailOperationQueueNotification type,
133                                  ModestMsgViewWindow *self);
134
135 static void on_account_removed  (TnyAccountStore *account_store, 
136                                  TnyAccount *account,
137                                  gpointer user_data);
138
139 static void on_move_focus (GtkWidget *widget,
140                            GtkDirectionType direction,
141                            gpointer userdata);
142
143 static void view_msg_cb         (ModestMailOperation *mail_op, 
144                                  TnyHeader *header, 
145                                  gboolean canceled,
146                                  TnyMsg *msg, 
147                                  GError *error,
148                                  gpointer user_data);
149
150 static void set_toolbar_mode    (ModestMsgViewWindow *self, 
151                                  ModestToolBarModes mode);
152
153 static void update_window_title (ModestMsgViewWindow *window);
154
155 static gboolean set_toolbar_transfer_mode     (ModestMsgViewWindow *self); 
156 static void init_window (ModestMsgViewWindow *obj);
157
158 static gboolean msg_is_visible (TnyHeader *header, gboolean check_outbox);
159
160
161 /* list my signals */
162 enum {
163         MSG_CHANGED_SIGNAL,
164         LAST_SIGNAL
165 };
166
167 static const GtkToggleActionEntry msg_view_toggle_action_entries [] = {
168         { "FindInMessage",    MODEST_TOOLBAR_ICON_FIND,    N_("qgn_toolb_gene_find"), NULL, NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
169         { "ToolsFindInMessage", NULL, N_("mcen_me_viewer_find"), "<CTRL>F", NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
170 };
171
172 static const GtkRadioActionEntry msg_view_zoom_action_entries [] = {
173         { "Zoom50", NULL, N_("mcen_me_viewer_50"), NULL, NULL, 50 },
174         { "Zoom80", NULL, N_("mcen_me_viewer_80"), NULL, NULL, 80 },
175         { "Zoom100", NULL, N_("mcen_me_viewer_100"), NULL, NULL, 100 },
176         { "Zoom120", NULL, N_("mcen_me_viewer_120"), NULL, NULL, 120 },
177         { "Zoom150", NULL, N_("mcen_me_viewer_150"), NULL, NULL, 150 },
178         { "Zoom200", NULL, N_("mcen_me_viewer_200"), NULL, NULL, 200 }
179 };
180
181 typedef struct _ModestMsgViewWindowPrivate ModestMsgViewWindowPrivate;
182 struct _ModestMsgViewWindowPrivate {
183
184         GtkWidget   *msg_view;
185         GtkWidget   *main_scroll;
186         GtkWidget   *find_toolbar;
187         gchar       *last_search;
188
189         /* Progress observers */
190         GtkWidget        *progress_bar;
191         GSList           *progress_widgets;
192
193         /* Tollbar items */
194         GtkWidget   *progress_toolitem;
195         GtkWidget   *cancel_toolitem;
196         GtkWidget   *prev_toolitem;
197         GtkWidget   *next_toolitem;
198         ModestToolBarModes current_toolbar_mode;
199
200         /* Optimized view enabled */
201         gboolean optimized_view;
202
203         /* Whether this was created via the *_new_for_search_result() function. */
204         gboolean is_search_result;
205
206         /* Whether the message is in outbox */
207         gboolean is_outbox;
208         
209         /* A reference to the @model of the header view 
210          * to allow selecting previous/next messages,
211          * if the message is currently selected in the header view.
212          */
213         const gchar *header_folder_id;
214         GtkTreeModel *header_model;
215         GtkTreeRowReference *row_reference;
216         GtkTreeRowReference *next_row_reference;
217
218         gulong clipboard_change_handler;
219         gulong queue_change_handler;
220         gulong account_removed_handler;
221         gulong row_changed_handler;
222         gulong row_deleted_handler;
223         gulong row_inserted_handler;
224         gulong rows_reordered_handler;
225
226         guint purge_timeout;
227         GtkWidget *remove_attachment_banner;
228
229         guint progress_bar_timeout;
230
231         gchar *msg_uid;
232         
233         GSList *sighandlers;
234 };
235
236 #define MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
237                                                     MODEST_TYPE_MSG_VIEW_WINDOW, \
238                                                     ModestMsgViewWindowPrivate))
239 /* globals */
240 static GtkWindowClass *parent_class = NULL;
241
242 /* uncomment the following if you have defined any signals */
243 static guint signals[LAST_SIGNAL] = {0};
244
245 GType
246 modest_msg_view_window_get_type (void)
247 {
248         static GType my_type = 0;
249         if (!my_type) {
250                 static const GTypeInfo my_info = {
251                         sizeof(ModestMsgViewWindowClass),
252                         NULL,           /* base init */
253                         NULL,           /* base finalize */
254                         (GClassInitFunc) modest_msg_view_window_class_init,
255                         NULL,           /* class finalize */
256                         NULL,           /* class data */
257                         sizeof(ModestMsgViewWindow),
258                         1,              /* n_preallocs */
259                         (GInstanceInitFunc) modest_msg_view_window_init,
260                         NULL
261                 };
262                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
263                                                   "ModestMsgViewWindow",
264                                                   &my_info, 0);
265
266                 static const GInterfaceInfo modest_header_view_observer_info = 
267                 {
268                         (GInterfaceInitFunc) modest_header_view_observer_init,
269                         NULL,         /* interface_finalize */
270                         NULL          /* interface_data */
271                 };
272
273                 g_type_add_interface_static (my_type,
274                                 MODEST_TYPE_HEADER_VIEW_OBSERVER,
275                                 &modest_header_view_observer_info);
276         }
277         return my_type;
278 }
279
280 static void
281 save_state (ModestWindow *self)
282 {
283         modest_widget_memory_save (modest_runtime_get_conf (),
284                                    G_OBJECT(self), 
285                                    MODEST_CONF_MSG_VIEW_WINDOW_KEY);
286 }
287
288
289 static void
290 restore_settings (ModestMsgViewWindow *self)
291 {
292         ModestConf *conf;
293         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (self);
294         GtkAction *action;
295
296         conf = modest_runtime_get_conf ();
297         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
298                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu");
299         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
300                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR, NULL));
301         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
302                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu");
303         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
304                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN, NULL));
305         modest_widget_memory_restore (conf,
306                                       G_OBJECT(self), 
307                                       MODEST_CONF_MSG_VIEW_WINDOW_KEY);
308 }
309
310 static void
311 modest_msg_view_window_class_init (ModestMsgViewWindowClass *klass)
312 {
313         GObjectClass *gobject_class;
314         ModestWindowClass *modest_window_class;
315         gobject_class = (GObjectClass*) klass;
316         modest_window_class = (ModestWindowClass *) klass;
317
318         parent_class            = g_type_class_peek_parent (klass);
319         gobject_class->finalize = modest_msg_view_window_finalize;
320
321         modest_window_class->set_zoom_func = modest_msg_view_window_set_zoom;
322         modest_window_class->get_zoom_func = modest_msg_view_window_get_zoom;
323         modest_window_class->zoom_minus_func = modest_msg_view_window_zoom_minus;
324         modest_window_class->zoom_plus_func = modest_msg_view_window_zoom_plus;
325         modest_window_class->show_toolbar_func = modest_msg_view_window_show_toolbar;
326         modest_window_class->disconnect_signals_func = modest_msg_view_window_disconnect_signals;
327
328         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewWindowPrivate));
329
330         modest_window_class->save_state_func = save_state;
331
332         signals[MSG_CHANGED_SIGNAL] =
333                 g_signal_new ("msg-changed",
334                               G_TYPE_FROM_CLASS (gobject_class),
335                               G_SIGNAL_RUN_FIRST,
336                               G_STRUCT_OFFSET (ModestMsgViewWindowClass, msg_changed),
337                               NULL, NULL,
338                               modest_marshal_VOID__POINTER_POINTER,
339                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
340 }
341
342 static void modest_header_view_observer_init(
343                 ModestHeaderViewObserverIface *iface_class)
344 {
345         iface_class->update_func = modest_msg_view_window_update_model_replaced;
346 }
347
348 static void
349 modest_msg_view_window_init (ModestMsgViewWindow *obj)
350 {
351         ModestMsgViewWindowPrivate *priv;
352         ModestWindowPrivate *parent_priv = NULL;
353         GtkActionGroup *action_group = NULL;
354         GError *error = NULL;
355         GdkPixbuf *window_icon;
356
357         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
358         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
359         parent_priv->ui_manager = gtk_ui_manager_new();
360
361         action_group = gtk_action_group_new ("ModestMsgViewWindowActions");
362         gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
363
364         /* Add common actions */
365         gtk_action_group_add_actions (action_group,
366                                       modest_action_entries,
367                                       G_N_ELEMENTS (modest_action_entries),
368                                       obj);
369         gtk_action_group_add_toggle_actions (action_group,
370                                              modest_toggle_action_entries,
371                                              G_N_ELEMENTS (modest_toggle_action_entries),
372                                              obj);
373         gtk_action_group_add_toggle_actions (action_group,
374                                              msg_view_toggle_action_entries,
375                                              G_N_ELEMENTS (msg_view_toggle_action_entries),
376                                              obj);
377         gtk_action_group_add_radio_actions (action_group,
378                                             msg_view_zoom_action_entries,
379                                             G_N_ELEMENTS (msg_view_zoom_action_entries),
380                                             100,
381                                             G_CALLBACK (modest_ui_actions_on_change_zoom),
382                                             obj);
383
384         gtk_ui_manager_insert_action_group (parent_priv->ui_manager, action_group, 0);
385         g_object_unref (action_group);
386
387         /* Load the UI definition */
388         gtk_ui_manager_add_ui_from_file (parent_priv->ui_manager, MODEST_UIDIR "modest-msg-view-window-ui.xml",
389                                          &error);
390         if (error) {
391                 g_printerr ("modest: could not merge modest-msg-view-window-ui.xml: %s\n", error->message);
392                 g_error_free (error);
393                 error = NULL;
394         }
395         /* ****** */
396
397         /* Add accelerators */
398         gtk_window_add_accel_group (GTK_WINDOW (obj), 
399                                     gtk_ui_manager_get_accel_group (parent_priv->ui_manager));
400         
401         priv->is_search_result = FALSE;
402         priv->is_outbox = FALSE;
403
404         priv->msg_view      = NULL;
405         priv->header_model  = NULL;
406         priv->header_folder_id  = NULL;
407         priv->clipboard_change_handler = 0;
408         priv->queue_change_handler = 0;
409         priv->account_removed_handler = 0;
410         priv->row_changed_handler = 0;
411         priv->row_deleted_handler = 0;
412         priv->row_inserted_handler = 0;
413         priv->rows_reordered_handler = 0;
414         priv->current_toolbar_mode = TOOLBAR_MODE_NORMAL;
415
416         priv->optimized_view  = FALSE;
417         priv->progress_bar_timeout = 0;
418         priv->purge_timeout = 0;
419         priv->remove_attachment_banner = NULL;
420         priv->msg_uid = NULL;
421         
422         priv->sighandlers = NULL;
423         
424         /* Init window */
425         init_window (MODEST_MSG_VIEW_WINDOW(obj));
426         
427         /* Set window icon */
428         window_icon = modest_platform_get_icon (MODEST_APP_MSG_VIEW_ICON, MODEST_ICON_SIZE_BIG); 
429         if (window_icon) {
430                 gtk_window_set_icon (GTK_WINDOW (obj), window_icon);
431                 g_object_unref (window_icon);
432         }       
433         
434         hildon_program_add_window (hildon_program_get_instance(),
435                                    HILDON_WINDOW(obj));
436
437         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
438                                             GTK_WINDOW(obj),"applications_email_viewer");
439 }
440
441
442 static gboolean
443 set_toolbar_transfer_mode (ModestMsgViewWindow *self)
444 {
445         ModestMsgViewWindowPrivate *priv = NULL;
446         
447         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
448
449         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
450
451         set_toolbar_mode (self, TOOLBAR_MODE_TRANSFER);
452         
453         if (priv->progress_bar_timeout > 0) {
454                 g_source_remove (priv->progress_bar_timeout);
455                 priv->progress_bar_timeout = 0;
456         }
457         
458         return FALSE;
459 }
460
461 static void 
462 set_toolbar_mode (ModestMsgViewWindow *self, 
463                   ModestToolBarModes mode)
464 {
465         ModestWindowPrivate *parent_priv;
466         ModestMsgViewWindowPrivate *priv;
467 /*      GtkWidget *widget = NULL; */
468
469         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
470
471         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
472         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
473                         
474         /* Sets current toolbar mode */
475         priv->current_toolbar_mode = mode;
476
477         /* Update toolbar dimming state */
478         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (self));
479
480         switch (mode) {
481         case TOOLBAR_MODE_NORMAL:               
482                 if (priv->progress_toolitem) {
483                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
484                         gtk_widget_hide (priv->progress_toolitem);
485                 }
486
487                 if (priv->progress_bar)
488                         gtk_widget_hide (priv->progress_bar);
489                         
490                 if (priv->cancel_toolitem)
491                         gtk_widget_hide (priv->cancel_toolitem);
492
493                 if (priv->prev_toolitem)
494                         gtk_widget_show (priv->prev_toolitem);
495                 
496                 if (priv->next_toolitem)
497                         gtk_widget_show (priv->next_toolitem);
498                         
499                 /* Hide toolbar if optimized view is enabled */
500                 if (priv->optimized_view) {
501                         gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
502                         gtk_widget_hide (GTK_WIDGET(parent_priv->toolbar));
503                 }
504
505                 break;
506         case TOOLBAR_MODE_TRANSFER:
507                 if (priv->prev_toolitem)
508                         gtk_widget_hide (priv->prev_toolitem);
509                 
510                 if (priv->next_toolitem)
511                         gtk_widget_hide (priv->next_toolitem);
512                 
513                 if (priv->progress_bar)
514                         gtk_widget_show (priv->progress_bar);
515
516                 if (priv->progress_toolitem) {
517                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
518                         gtk_widget_show (priv->progress_toolitem);
519                 }
520                         
521                 if (priv->cancel_toolitem)
522                         gtk_widget_show (priv->cancel_toolitem);
523
524                 /* Show toolbar if it's hiden (optimized view ) */
525                 if (priv->optimized_view) {
526                         gtk_widget_set_no_show_all (parent_priv->toolbar, FALSE);
527                         gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
528                 }
529
530                 break;
531         default:
532                 g_return_if_reached ();
533         }
534
535 }
536
537
538 static void
539 init_window (ModestMsgViewWindow *obj)
540 {
541         GtkWidget *main_vbox;
542         ModestMsgViewWindowPrivate *priv;
543
544         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
545
546         priv->msg_view = GTK_WIDGET (tny_platform_factory_new_msg_view (modest_tny_platform_factory_get_instance ()));
547         modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
548         main_vbox = gtk_vbox_new  (FALSE, 6);
549
550 #ifdef MODEST_USE_MOZEMBED
551         priv->main_scroll = priv->msg_view;
552         gtk_widget_set_size_request (priv->msg_view, -1, 1600);
553 #else
554         priv->main_scroll = gtk_scrolled_window_new (NULL, NULL);
555         gtk_container_add (GTK_CONTAINER (priv->main_scroll), priv->msg_view);
556 #endif
557         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
558         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_SHADOW_NONE);
559         modest_maemo_set_thumbable_scrollbar (GTK_SCROLLED_WINDOW(priv->main_scroll), TRUE);
560
561         gtk_box_pack_start (GTK_BOX(main_vbox), priv->main_scroll, TRUE, TRUE, 0);
562         gtk_container_add   (GTK_CONTAINER(obj), main_vbox);
563
564         priv->find_toolbar = hildon_find_toolbar_new (NULL);
565         hildon_window_add_toolbar (HILDON_WINDOW (obj), GTK_TOOLBAR (priv->find_toolbar));
566         gtk_widget_set_no_show_all (priv->find_toolbar, TRUE);
567         
568         gtk_widget_show_all (GTK_WIDGET(main_vbox));
569 }
570
571 static void
572 modest_msg_view_window_disconnect_signals (ModestWindow *self)
573 {
574         ModestMsgViewWindowPrivate *priv;
575         ModestHeaderView *header_view = NULL;
576         ModestWindow *main_window = NULL;
577         
578         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
579
580         if (gtk_clipboard_get (GDK_SELECTION_PRIMARY) &&
581             g_signal_handler_is_connected (gtk_clipboard_get (GDK_SELECTION_PRIMARY),
582                                            priv->clipboard_change_handler)) 
583                 g_signal_handler_disconnect (gtk_clipboard_get (GDK_SELECTION_PRIMARY), 
584                                              priv->clipboard_change_handler);
585
586         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
587                                            priv->queue_change_handler))
588                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
589                                              priv->queue_change_handler);
590
591         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_account_store ()), 
592                                            priv->account_removed_handler))
593                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_account_store ()), 
594                                              priv->account_removed_handler);
595
596         if (priv->header_model) {
597                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
598                                                   priv->row_changed_handler))
599                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
600                                                     priv->row_changed_handler);
601                 
602                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
603                                                   priv->row_deleted_handler))
604                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
605                                              priv->row_deleted_handler);
606                 
607                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
608                                                   priv->row_inserted_handler))
609                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
610                                                     priv->row_inserted_handler);
611                 
612                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
613                                                   priv->rows_reordered_handler))
614                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
615                                                     priv->rows_reordered_handler);
616         }
617
618         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
619         priv->sighandlers = NULL;
620         
621         main_window = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(),
622                                                          FALSE); /* don't create */
623         if (!main_window)
624                 return;
625         
626         header_view = MODEST_HEADER_VIEW(
627                         modest_main_window_get_child_widget(
628                                 MODEST_MAIN_WINDOW(main_window),
629                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
630         if (header_view == NULL)
631                 return;
632         
633         modest_header_view_remove_observer(header_view,
634                         MODEST_HEADER_VIEW_OBSERVER(self));
635 }       
636
637 static void
638 modest_msg_view_window_finalize (GObject *obj)
639 {
640         ModestMsgViewWindowPrivate *priv;
641
642         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
643
644         /* Sanity check: shouldn't be needed, the window mgr should
645            call this function before */
646         modest_msg_view_window_disconnect_signals (MODEST_WINDOW (obj));
647
648         if (priv->header_model != NULL) {
649                 g_object_unref (priv->header_model);
650                 priv->header_model = NULL;
651         }
652
653         if (priv->progress_bar_timeout > 0) {
654                 g_source_remove (priv->progress_bar_timeout);
655                 priv->progress_bar_timeout = 0;
656         }
657
658         if (priv->remove_attachment_banner) {
659                 gtk_widget_destroy (priv->remove_attachment_banner);
660                 g_object_unref (priv->remove_attachment_banner);
661                 priv->remove_attachment_banner = NULL;
662         }
663
664         if (priv->purge_timeout > 0) {
665                 g_source_remove (priv->purge_timeout);
666                 priv->purge_timeout = 0;
667         }
668
669         if (priv->row_reference) {
670                 gtk_tree_row_reference_free (priv->row_reference);
671                 priv->row_reference = NULL;
672         }
673
674         if (priv->next_row_reference) {
675                 gtk_tree_row_reference_free (priv->next_row_reference);
676                 priv->next_row_reference = NULL;
677         }
678
679         if (priv->msg_uid) {
680                 g_free (priv->msg_uid);
681                 priv->msg_uid = NULL;
682         }
683
684         G_OBJECT_CLASS(parent_class)->finalize (obj);
685 }
686
687 static gboolean
688 select_next_valid_row (GtkTreeModel *model,
689                        GtkTreeRowReference **row_reference,
690                        gboolean cycle)
691 {
692         GtkTreeIter tmp_iter;
693         GtkTreePath *path;
694         GtkTreePath *next = NULL;
695         gboolean retval = FALSE;
696
697         g_return_val_if_fail (gtk_tree_row_reference_valid (*row_reference), FALSE);
698
699         path = gtk_tree_row_reference_get_path (*row_reference);
700         gtk_tree_model_get_iter (model, &tmp_iter, path);
701         gtk_tree_row_reference_free (*row_reference);
702         *row_reference = NULL;
703
704         if (gtk_tree_model_iter_next (model, &tmp_iter)) {
705                 next = gtk_tree_model_get_path (model, &tmp_iter);
706                 *row_reference = gtk_tree_row_reference_new (model, next);
707                 retval = TRUE;
708         } else if (cycle && gtk_tree_model_get_iter_first (model, &tmp_iter)) {
709                 next = gtk_tree_model_get_path (model, &tmp_iter);
710
711                 /* Ensure that we are not selecting the same */
712                 if (gtk_tree_path_compare (path, next) != 0) {
713                         *row_reference = gtk_tree_row_reference_new (model, next);
714                         retval = TRUE;
715                 }
716         }
717
718         /* Free */
719         gtk_tree_path_free (path);
720         if (next)
721                 gtk_tree_path_free (next);
722
723         return retval;
724 }
725
726 /* TODO: This should be in _init(), with the parameters as properties. */
727 static void
728 modest_msg_view_window_construct (ModestMsgViewWindow *self, 
729                                   const gchar *modest_account_name,
730                                   const gchar *msg_uid)
731 {
732         GObject *obj = NULL;
733         ModestMsgViewWindowPrivate *priv = NULL;
734         ModestWindowPrivate *parent_priv = NULL;
735         ModestDimmingRulesGroup *menu_rules_group = NULL;
736         ModestDimmingRulesGroup *toolbar_rules_group = NULL;
737         ModestDimmingRulesGroup *clipboard_rules_group = NULL;
738
739         obj = G_OBJECT (self);
740         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
741         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
742
743         priv->msg_uid = g_strdup (msg_uid);
744
745         /* Menubar */
746         parent_priv->menubar = modest_maemo_utils_get_manager_menubar_as_menu (parent_priv->ui_manager, "/MenuBar");
747         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
748         gtk_widget_show (parent_priv->menubar);
749         parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
750
751         menu_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_MENU, FALSE);
752         toolbar_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_TOOLBAR, TRUE);
753         clipboard_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_CLIPBOARD, FALSE);
754
755         /* Add common dimming rules */
756         modest_dimming_rules_group_add_rules (menu_rules_group, 
757                                               modest_msg_view_menu_dimming_entries,
758                                               G_N_ELEMENTS (modest_msg_view_menu_dimming_entries),
759                                               MODEST_WINDOW (self));
760         modest_dimming_rules_group_add_rules (toolbar_rules_group, 
761                                               modest_msg_view_toolbar_dimming_entries,
762                                               G_N_ELEMENTS (modest_msg_view_toolbar_dimming_entries),
763                                               MODEST_WINDOW (self));
764         modest_dimming_rules_group_add_rules (clipboard_rules_group, 
765                                               modest_msg_view_clipboard_dimming_entries,
766                                               G_N_ELEMENTS (modest_msg_view_clipboard_dimming_entries),
767                                               MODEST_WINDOW (self));
768
769         /* Insert dimming rules group for this window */
770         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, menu_rules_group);
771         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, toolbar_rules_group);
772         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, clipboard_rules_group);
773         g_object_unref (menu_rules_group);
774         g_object_unref (toolbar_rules_group);
775         g_object_unref (clipboard_rules_group);
776
777         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
778         
779         /* g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj); */
780
781         priv->clipboard_change_handler = g_signal_connect (G_OBJECT (gtk_clipboard_get (GDK_SELECTION_PRIMARY)), "owner-change", G_CALLBACK (modest_msg_view_window_clipboard_owner_change), obj);
782         g_signal_connect (G_OBJECT(priv->msg_view), "activate_link",
783                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
784         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
785                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
786         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
787                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
788         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
789                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
790         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
791                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
792
793         g_signal_connect (G_OBJECT (obj), "key-release-event",
794                           G_CALLBACK (modest_msg_view_window_key_event),
795                           NULL);
796
797         g_signal_connect (G_OBJECT (obj), "key-press-event",
798                           G_CALLBACK (modest_msg_view_window_key_event),
799                           NULL);
800
801         g_signal_connect (G_OBJECT (obj), "window-state-event",
802                           G_CALLBACK (modest_msg_view_window_window_state_event),
803                           NULL);
804
805         g_signal_connect (G_OBJECT (obj), "move-focus",
806                           G_CALLBACK (on_move_focus), obj);
807
808         /* Mail Operation Queue */
809         priv->queue_change_handler = g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
810                                                        "queue-changed",
811                                                        G_CALLBACK (on_queue_changed),
812                                                        obj);
813
814         /* Account manager */
815         priv->account_removed_handler = g_signal_connect (G_OBJECT (modest_runtime_get_account_store ()),
816                                                           "account_removed",
817                                                           G_CALLBACK(on_account_removed),
818                                                           obj);
819
820         modest_window_set_active_account (MODEST_WINDOW(obj), modest_account_name);
821
822         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
823         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
824         priv->last_search = NULL;
825
826         /* Init the clipboard actions dim status */
827         modest_msg_view_grab_focus(MODEST_MSG_VIEW (priv->msg_view));
828
829         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
830
831
832 }
833
834 /* FIXME: parameter checks */
835 ModestWindow *
836 modest_msg_view_window_new_with_header_model (TnyMsg *msg, 
837                                               const gchar *modest_account_name,
838                                               const gchar *msg_uid,
839                                               GtkTreeModel *model, 
840                                               GtkTreeRowReference *row_reference)
841 {
842         ModestMsgViewWindow *window = NULL;
843         ModestMsgViewWindowPrivate *priv = NULL;
844         TnyFolder *header_folder = NULL;
845         ModestHeaderView *header_view = NULL;
846         ModestWindow *main_window = NULL;
847         ModestWindowMgr *mgr = NULL;
848
849         MODEST_DEBUG_BLOCK (
850                modest_tny_mime_part_to_string (TNY_MIME_PART (msg), 0);
851         );
852
853         mgr = modest_runtime_get_window_mgr ();
854         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
855         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
856
857         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
858
859         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
860
861         /* Remember the message list's TreeModel so we can detect changes 
862          * and change the list selection when necessary: */
863
864         main_window = modest_window_mgr_get_main_window(mgr, FALSE); /* don't create */
865         if (main_window) {
866                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget(
867                                                          MODEST_MAIN_WINDOW(main_window),
868                                                          MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
869         }
870         
871         if (header_view != NULL){
872                 header_folder = modest_header_view_get_folder(header_view);
873                 /* This could happen if the header folder was
874                    unseleted before opening this msg window (for
875                    example if the user selects an account in the
876                    folder view of the main window */
877                 if (header_folder) {
878                         priv->is_outbox = (modest_tny_folder_guess_folder_type (header_folder) == TNY_FOLDER_TYPE_OUTBOX);
879                         priv->header_folder_id = tny_folder_get_id(header_folder);
880                         g_assert(priv->header_folder_id != NULL);
881                         g_object_unref(header_folder);
882                 }
883         }
884
885         priv->header_model = g_object_ref(model);
886         if (row_reference) {
887                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
888                 priv->next_row_reference = gtk_tree_row_reference_copy (row_reference);
889                 select_next_valid_row (model, &(priv->next_row_reference), TRUE);
890         } else {
891                 priv->row_reference = NULL;
892                 priv->next_row_reference = NULL;
893         }
894
895         priv->row_changed_handler = g_signal_connect(
896                         GTK_TREE_MODEL(model), "row-changed",
897                         G_CALLBACK(modest_msg_view_window_on_row_changed),
898                         window);
899         priv->row_deleted_handler = g_signal_connect(
900                         GTK_TREE_MODEL(model), "row-deleted",
901                         G_CALLBACK(modest_msg_view_window_on_row_deleted),
902                         window);
903         priv->row_inserted_handler = g_signal_connect (
904                         GTK_TREE_MODEL(model), "row-inserted",
905                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
906                         window);
907         priv->rows_reordered_handler = g_signal_connect(
908                         GTK_TREE_MODEL(model), "rows-reordered",
909                         G_CALLBACK(modest_msg_view_window_on_row_reordered),
910                         window);
911
912         if (header_view != NULL){
913                 modest_header_view_add_observer(header_view,
914                                 MODEST_HEADER_VIEW_OBSERVER(window));
915         }
916
917         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
918         update_window_title (MODEST_MSG_VIEW_WINDOW (window));
919         gtk_widget_show_all (GTK_WIDGET (window));
920         modest_msg_view_window_update_priority (window);
921
922         /* Check dimming rules */
923         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
924         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
925         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
926
927         return MODEST_WINDOW(window);
928 }
929
930 ModestWindow *
931 modest_msg_view_window_new_for_search_result (TnyMsg *msg, 
932                                               const gchar *modest_account_name,
933                                               const gchar *msg_uid)
934 {
935         ModestMsgViewWindow *window = NULL;
936         ModestMsgViewWindowPrivate *priv = NULL;
937         ModestWindowMgr *mgr = NULL;
938
939         mgr = modest_runtime_get_window_mgr ();
940         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
941         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
942         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
943
944         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
945
946         /* Remember that this is a search result, 
947          * so we can disable some UI appropriately: */
948         priv->is_search_result = TRUE;
949
950         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
951         
952         update_window_title (window);
953         modest_msg_view_window_update_priority (window);
954
955         gtk_widget_show_all (GTK_WIDGET (window));
956
957
958         return MODEST_WINDOW(window);
959 }
960
961 ModestWindow *
962 modest_msg_view_window_new_for_attachment (TnyMsg *msg, 
963                             const gchar *modest_account_name,
964                             const gchar *msg_uid)
965 {
966         GObject *obj = NULL;
967         ModestMsgViewWindowPrivate *priv;       
968         ModestWindowMgr *mgr = NULL;
969
970         g_return_val_if_fail (msg, NULL);
971         mgr = modest_runtime_get_window_mgr ();
972         obj = G_OBJECT (modest_window_mgr_get_msg_view_window (mgr));
973         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
974         modest_msg_view_window_construct (MODEST_MSG_VIEW_WINDOW (obj), 
975                 modest_account_name, msg_uid);
976
977         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
978         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
979
980         gtk_widget_show_all (GTK_WIDGET (obj));
981
982         /* Check dimming rules */
983         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
984         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (obj));
985         modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), MODEST_DIMMING_RULES_CLIPBOARD);
986
987         return MODEST_WINDOW(obj);
988 }
989
990 void modest_msg_view_window_on_row_changed(
991                 GtkTreeModel *header_model,
992                 GtkTreePath *arg1,
993                 GtkTreeIter *arg2,
994                 ModestMsgViewWindow *window){
995         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
996 }
997
998 void modest_msg_view_window_on_row_deleted(
999                 GtkTreeModel *header_model,
1000                 GtkTreePath *arg1,
1001                 ModestMsgViewWindow *window){
1002         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1003 }
1004
1005 /* On insertions we check if the folder still has the message we are
1006  * showing or do not. If do not, we do nothing. Which means we are still
1007  * not attached to any header folder and thus next/prev buttons are
1008  * still dimmed. Once the message that is shown by msg-view is found, the
1009  * new model of header-view will be attached and the references will be set.
1010  * On each further insertions dimming rules will be checked. However
1011  * this requires extra CPU time at least works.
1012  * (An message might be deleted from TnyFolder and thus will not be
1013  * inserted into the model again for example if it is removed by the
1014  * imap server and the header view is refreshed.)
1015  */
1016 void modest_msg_view_window_on_row_inserted(
1017                 GtkTreeModel *new_model,
1018                 GtkTreePath *tree_path,
1019                 GtkTreeIter *tree_iter,
1020                 ModestMsgViewWindow *window){
1021         ModestMsgViewWindowPrivate *priv = NULL; 
1022         TnyHeader *header = NULL;
1023         gchar *uid = NULL;
1024
1025         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1026
1027         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1028         
1029         /* If we already has a model attached then the message shown by
1030          * msg-view is in it, and thus we do not need any actions but
1031          * to check the dimming rules.*/
1032         if(priv->header_model != NULL){
1033                 if (priv->row_reference) {
1034                         gtk_tree_row_reference_free(priv->next_row_reference);
1035                         priv->next_row_reference = gtk_tree_row_reference_copy(
1036                                 priv->row_reference);
1037                         select_next_valid_row (priv->header_model,
1038                                                &(priv->next_row_reference), FALSE);
1039                 }
1040                 modest_ui_actions_check_toolbar_dimming_rules (
1041                                 MODEST_WINDOW (window));
1042                 return;
1043         }
1044
1045         /* Check if the newly inserted message is the same we are actually
1046          * showing. IF not, we should remain detached from the header model
1047          * and thus prev and next toolbarbuttons should remain dimmed. */
1048         gtk_tree_model_get (new_model, tree_iter, 
1049                         TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header, -1);
1050         uid = modest_tny_folder_get_header_unique_id(header);
1051         if(!g_str_equal(priv->msg_uid, uid)){
1052                 g_free(uid);
1053                 g_object_unref(G_OBJECT(header));
1054                 header = NULL;
1055                 return;
1056         }
1057         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1058                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1059         g_object_unref(G_OBJECT(header));
1060         header = NULL;
1061         g_free(uid);
1062
1063         /* Setup row_reference for the actual msg. */
1064         priv->row_reference = gtk_tree_row_reference_new(
1065                         new_model, tree_path);
1066         if(priv->row_reference == NULL){
1067                 g_warning("No reference for msg header item.");
1068                 return;
1069         }
1070
1071         /* Attach new_model and connect some callback to it to become able
1072          * to detect changes in header-view. */
1073         priv->header_model = g_object_ref(new_model);
1074         g_signal_connect (new_model, "row-changed",
1075                         G_CALLBACK (modest_msg_view_window_on_row_changed),
1076                         window);
1077         g_signal_connect (new_model, "row-deleted",
1078                         G_CALLBACK (modest_msg_view_window_on_row_deleted),
1079                         window);
1080         g_signal_connect (new_model, "rows-reordered",
1081                         G_CALLBACK (modest_msg_view_window_on_row_reordered),
1082                         window);
1083
1084         /* Now set up next_row_reference. */
1085         priv->next_row_reference = gtk_tree_row_reference_copy(
1086                         priv->row_reference);
1087         select_next_valid_row (priv->header_model,
1088                         &(priv->next_row_reference), FALSE);
1089
1090         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1091 }
1092
1093 void modest_msg_view_window_on_row_reordered(
1094                 GtkTreeModel *header_model,
1095                 GtkTreePath *arg1,
1096                 GtkTreeIter *arg2,
1097                 gpointer arg3,
1098                 ModestMsgViewWindow *window){
1099         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1100 }
1101
1102 /* The modest_msg_view_window_update_model_replaced implements update
1103  * function for ModestHeaderViewObserver. Checks whether the TnyFolder
1104  * actually belongs to the header-view is the same as the TnyFolder of
1105  * the message of msg-view or not. If they are different, there is
1106  * nothing to do. If they are the same, then the model has replaced and
1107  * the reference in msg-view shall be replaced from the old model to
1108  * the new model. In this case the view will be detached from it's
1109  * header folder. From this point the next/prev buttons are dimmed.
1110  */
1111 void 
1112 modest_msg_view_window_update_model_replaced(ModestHeaderViewObserver *observer,
1113                                              GtkTreeModel *model,
1114                                              const gchar *tny_folder_id){
1115         ModestMsgViewWindowPrivate *priv = NULL; 
1116         ModestMsgViewWindow *window = NULL;
1117
1118         g_assert(MODEST_IS_HEADER_VIEW_OBSERVER(observer));
1119         g_assert(MODEST_IS_MSG_VIEW_WINDOW(observer));
1120
1121         window = MODEST_MSG_VIEW_WINDOW(observer);
1122         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
1123
1124         /* If there is an other folder in the header-view then we do
1125          * not care about it's model (msg list). Else if the
1126          * header-view shows the folder the msg shown by us is in, we
1127          * shall replace our model reference and make some check. */
1128         if(tny_folder_id == NULL || 
1129            (priv->header_folder_id && !g_str_equal(tny_folder_id, priv->header_folder_id)))
1130                 return;
1131         
1132         /* Model is changed(replaced), so we should forget the old
1133          * one. Because there might be other references and there
1134          * might be some change on the model even if we unreferenced
1135          * it, we need to disconnect our signals here. */
1136         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1137                                            priv->row_changed_handler))
1138                 g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1139                                              priv->row_changed_handler);
1140         priv->row_changed_handler = 0;
1141         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1142                                            priv->row_deleted_handler))
1143                 g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1144                                              priv->row_deleted_handler);
1145         priv->row_deleted_handler = 0;
1146         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1147                                            priv->row_inserted_handler))
1148                 g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1149                                              priv->row_inserted_handler);
1150         priv->row_inserted_handler = 0;
1151         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1152                                            priv->rows_reordered_handler))
1153                 g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1154                                              priv->rows_reordered_handler);
1155         priv->rows_reordered_handler = 0;
1156         g_object_unref(priv->header_model);
1157         priv->header_model = NULL;
1158         if (priv->row_reference)
1159                 gtk_tree_row_reference_free (priv->row_reference);
1160         priv->row_reference = NULL;
1161         if (priv->next_row_reference)
1162                 gtk_tree_row_reference_free (priv->next_row_reference);
1163         priv->next_row_reference = NULL;
1164
1165         modest_ui_actions_check_toolbar_dimming_rules(MODEST_WINDOW(window));
1166
1167         g_assert(model != NULL);
1168
1169         /* Also we must connect to the new model for row insertions.
1170          * Only for insertions now. We will need other ones only after
1171          * the msg is show by msg-view is added to the new model. */
1172         priv->row_inserted_handler = g_signal_connect (
1173                         model, "row-inserted",
1174                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
1175                         window);
1176 }
1177
1178 gboolean 
1179 modest_msg_view_window_toolbar_on_transfer_mode     (ModestMsgViewWindow *self)
1180 {
1181         ModestMsgViewWindowPrivate *priv= NULL; 
1182
1183         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
1184         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1185
1186         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
1187 }
1188
1189 TnyHeader*
1190 modest_msg_view_window_get_header (ModestMsgViewWindow *self)
1191 {
1192         ModestMsgViewWindowPrivate *priv= NULL; 
1193         TnyMsg *msg = NULL;
1194         TnyHeader *header = NULL;
1195         GtkTreePath *path = NULL;
1196         GtkTreeIter iter;
1197
1198         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), NULL);
1199         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1200
1201         /* If the message was not obtained from a treemodel,
1202          * for instance if it was opened directly by the search UI:
1203          */
1204         if (priv->header_model == NULL || 
1205             priv->row_reference == NULL ||
1206             !gtk_tree_row_reference_valid (priv->row_reference)) {
1207                 msg = modest_msg_view_window_get_message (self);
1208                 if (msg) {
1209                         header = tny_msg_get_header (msg);
1210                         g_object_unref (msg);
1211                 }
1212                 return header;
1213         }
1214
1215         /* Get iter of the currently selected message in the header view: */
1216         path = gtk_tree_row_reference_get_path (priv->row_reference);
1217         g_return_val_if_fail (path != NULL, NULL);
1218         gtk_tree_model_get_iter (priv->header_model, 
1219                                  &iter, 
1220                                  path);
1221
1222         /* Get current message header */
1223         gtk_tree_model_get (priv->header_model, &iter, 
1224                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, 
1225                             &header, -1);
1226
1227         gtk_tree_path_free (path);
1228         return header;
1229 }
1230
1231 TnyMsg*
1232 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
1233 {
1234         ModestMsgViewWindowPrivate *priv;
1235         
1236         g_return_val_if_fail (self, NULL);
1237         
1238         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
1239         
1240         return tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1241 }
1242
1243 const gchar*
1244 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
1245 {
1246         ModestMsgViewWindowPrivate *priv;
1247
1248         g_return_val_if_fail (self, NULL);
1249         
1250         priv  = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1251
1252         return (const gchar*) priv->msg_uid;
1253 }
1254
1255 static void 
1256 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
1257                                             gpointer data)
1258 {
1259         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
1260         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1261         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1262         gboolean is_active;
1263         GtkAction *action;
1264
1265         is_active = gtk_toggle_action_get_active (toggle);
1266
1267         if (is_active) {
1268                 gtk_widget_show (priv->find_toolbar);
1269                 hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1270         } else {
1271                 gtk_widget_hide (priv->find_toolbar);
1272         }
1273
1274         /* update the toggle buttons status */
1275         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1276         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1277         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ToolsMenu/ToolsFindInMessageMenu");
1278         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1279         
1280 }
1281
1282 static void
1283 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
1284                                            ModestMsgViewWindow *obj)
1285 {
1286         GtkToggleAction *toggle;
1287         ModestWindowPrivate *parent_priv;
1288         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
1289         
1290         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
1291         gtk_toggle_action_set_active (toggle, FALSE);
1292 }
1293
1294 static void
1295 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
1296                                            ModestMsgViewWindow *obj)
1297 {
1298         gchar *current_search;
1299         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
1300
1301         if (modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->msg_view))) {
1302                 hildon_banner_show_information (NULL, NULL, _("mail_ib_nothing_to_find"));
1303                 return;
1304         }
1305
1306         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
1307
1308         if ((current_search == NULL) || (strcmp (current_search, "") == 0)) {
1309                 g_free (current_search);
1310                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ecdg_ib_find_rep_enter_text"));
1311                 return;
1312         }
1313
1314         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
1315                 gboolean result;
1316                 g_free (priv->last_search);
1317                 priv->last_search = g_strdup (current_search);
1318                 result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->msg_view),
1319                                                      priv->last_search);
1320                 if (!result) {
1321                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_no_matches"));
1322                         g_free (priv->last_search);
1323                         priv->last_search = NULL;
1324                 } else {
1325                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1326                 }
1327         } else {
1328                 if (!modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->msg_view))) {
1329                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_search_complete"));
1330                         g_free (priv->last_search);
1331                         priv->last_search = NULL;
1332                 } else {
1333                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1334                 }
1335         }
1336         
1337         g_free (current_search);
1338                 
1339 }
1340
1341 static void
1342 modest_msg_view_window_set_zoom (ModestWindow *window,
1343                                  gdouble zoom)
1344 {
1345         ModestMsgViewWindowPrivate *priv;
1346         ModestWindowPrivate *parent_priv;
1347         GtkAction *action = NULL;
1348         gint int_zoom = (gint) rint (zoom*100.0+0.1);
1349      
1350         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1351
1352         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1353         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1354         modest_zoomable_set_zoom (MODEST_ZOOMABLE (priv->msg_view), zoom);
1355
1356         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
1357                                             "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu");
1358
1359         gtk_radio_action_set_current_value (GTK_RADIO_ACTION (action), int_zoom);
1360 }
1361
1362 static gdouble
1363 modest_msg_view_window_get_zoom (ModestWindow *window)
1364 {
1365         ModestMsgViewWindowPrivate *priv;
1366      
1367         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
1368
1369         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1370         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->msg_view));
1371 }
1372
1373 static gboolean
1374 modest_msg_view_window_zoom_plus (ModestWindow *window)
1375 {
1376         ModestWindowPrivate *parent_priv;
1377         GtkRadioAction *zoom_radio_action;
1378         GSList *group, *node;
1379
1380         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1381         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, 
1382                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1383
1384         group = gtk_radio_action_get_group (zoom_radio_action);
1385
1386         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
1387                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_max_zoom_level_reached"));
1388                 return FALSE;
1389         }
1390
1391         for (node = group; node != NULL; node = g_slist_next (node)) {
1392                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
1393                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
1394                         return TRUE;
1395                 }
1396         }
1397         return FALSE;
1398 }
1399
1400 static gboolean
1401 modest_msg_view_window_zoom_minus (ModestWindow *window)
1402 {
1403         ModestWindowPrivate *parent_priv;
1404         GtkRadioAction *zoom_radio_action;
1405         GSList *group, *node;
1406
1407         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1408         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, 
1409                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1410
1411         group = gtk_radio_action_get_group (zoom_radio_action);
1412
1413         for (node = group; node != NULL; node = g_slist_next (node)) {
1414                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
1415                         if (node->next != NULL) {
1416                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
1417                                 return TRUE;
1418                         } else {
1419                           hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_min_zoom_level_reached"));
1420                                 return FALSE;
1421                         }
1422                         break;
1423                 }
1424         }
1425         return FALSE;
1426 }
1427
1428 static gboolean
1429 modest_msg_view_window_key_event (GtkWidget *window,
1430                                   GdkEventKey *event,
1431                                   gpointer userdata)
1432 {
1433         GtkWidget *focus;
1434
1435         focus = gtk_window_get_focus (GTK_WINDOW (window));
1436
1437         /* for the find toolbar case */
1438         if (focus && GTK_IS_ENTRY (focus)) {
1439                 if (event->keyval == GDK_BackSpace) {
1440                         GdkEvent *copy;
1441                         copy = gdk_event_copy ((GdkEvent *) event);
1442                         gtk_widget_event (focus, copy);
1443                         gdk_event_free (copy);
1444                         return TRUE;
1445                 } else 
1446                         return FALSE;
1447         }
1448         if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1449             event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
1450             event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
1451             event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down ||
1452             event->keyval == GDK_Home || event->keyval == GDK_KP_Home ||
1453             event->keyval == GDK_End || event->keyval == GDK_KP_End) {
1454                 ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1455                 gboolean return_value;
1456
1457                 if (event->type == GDK_KEY_RELEASE) {
1458                         GtkScrollType scroll_type;
1459                         
1460                         switch (event->keyval) {
1461                         case GDK_Up: 
1462                         case GDK_KP_Up:
1463                                 scroll_type = GTK_SCROLL_STEP_UP; break;
1464                         case GDK_Down: 
1465                         case GDK_KP_Down:
1466                                 scroll_type = GTK_SCROLL_STEP_DOWN; break;
1467                         case GDK_Page_Up:
1468                         case GDK_KP_Page_Up:
1469                                 scroll_type = GTK_SCROLL_PAGE_UP; break;
1470                         case GDK_Page_Down:
1471                         case GDK_KP_Page_Down:
1472                                 scroll_type = GTK_SCROLL_PAGE_DOWN; break;
1473                         case GDK_Home:
1474                         case GDK_KP_Home:
1475                                 scroll_type = GTK_SCROLL_START; break;
1476                         case GDK_End:
1477                         case GDK_KP_End:
1478                                 scroll_type = GTK_SCROLL_END; break;
1479                         default: scroll_type = GTK_SCROLL_NONE;
1480                         }
1481                         
1482                         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", 
1483                                                scroll_type, FALSE, &return_value);
1484                         return TRUE;
1485                 } else {
1486                         return FALSE;
1487                 }
1488         } else {
1489                 return FALSE;
1490         }
1491 }
1492
1493 gboolean
1494 modest_msg_view_window_last_message_selected (ModestMsgViewWindow *window)
1495 {
1496         GtkTreePath *path;
1497         ModestMsgViewWindowPrivate *priv;
1498         GtkTreeIter tmp_iter;
1499         gboolean is_last_selected;
1500
1501         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1502         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1503
1504         /*if no model (so no rows at all), then virtually we are the last*/
1505         if (!priv->header_model || !priv->row_reference)
1506                 return TRUE;
1507
1508         path = gtk_tree_row_reference_get_path (priv->row_reference);
1509         if (path == NULL)
1510                 return TRUE;
1511
1512         is_last_selected = TRUE;
1513         while (is_last_selected) {
1514                 TnyHeader *header;
1515                 gtk_tree_path_next (path);
1516                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1517                         break;
1518                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1519                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1520                                 &header, -1);
1521                 if (header) {
1522                         if (msg_is_visible (header, priv->is_outbox))
1523                                 is_last_selected = FALSE;
1524                         g_object_unref(G_OBJECT(header));
1525                 }
1526         }
1527         gtk_tree_path_free (path);
1528         return is_last_selected;
1529 }
1530
1531 gboolean
1532 modest_msg_view_window_has_headers_model (ModestMsgViewWindow *window)
1533 {
1534         ModestMsgViewWindowPrivate *priv;
1535
1536         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1537         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1538
1539         return priv->header_model != NULL;
1540 }
1541
1542 gboolean
1543 modest_msg_view_window_is_search_result (ModestMsgViewWindow *window)
1544 {
1545         ModestMsgViewWindowPrivate *priv;
1546
1547         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1548         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1549
1550         return priv->is_search_result;
1551 }
1552
1553 static gboolean
1554 msg_is_visible (TnyHeader *header, gboolean check_outbox)
1555 {
1556         return (!(tny_header_get_flags(header) & TNY_HEADER_FLAG_DELETED)) &&
1557                 ( (!check_outbox) || (modest_tny_all_send_queues_get_msg_status (header) != MODEST_TNY_SEND_QUEUE_FAILED)) ;
1558         
1559 }
1560
1561 gboolean
1562 modest_msg_view_window_first_message_selected (ModestMsgViewWindow *window)
1563 {
1564         GtkTreePath *path;
1565         ModestMsgViewWindowPrivate *priv;
1566         gboolean is_first_selected;
1567         GtkTreeIter tmp_iter;
1568 /*      gchar * path_string;*/
1569
1570         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1571         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1572
1573         /*if no model (so no rows at all), then virtually we are the first*/
1574         if (!priv->header_model || !priv->row_reference)
1575                 return TRUE;
1576
1577         path = gtk_tree_row_reference_get_path (priv->row_reference);
1578         if (!path)
1579                 return TRUE;
1580
1581 /*      path_string = gtk_tree_path_to_string (path);
1582         is_first_selected = strcmp (path_string, "0");
1583
1584         g_free (path_string);
1585         gtk_tree_path_free (path);
1586
1587         return is_first_selected;*/
1588
1589         is_first_selected = TRUE;
1590         while (is_first_selected) {
1591                 TnyHeader *header;
1592                 if(!gtk_tree_path_prev (path))
1593                         break;
1594                 /* Here the 'if' is needless for logic, but let make sure
1595                  * iter is valid for gtk_tree_model_get. */
1596                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1597                         break;
1598                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1599                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1600                                 &header, -1);
1601                 if (header) {
1602                         if (msg_is_visible (header, priv->is_outbox))
1603                                 is_first_selected = FALSE;
1604                         g_object_unref(G_OBJECT(header));
1605                 }
1606         }
1607         gtk_tree_path_free (path);
1608         return is_first_selected;
1609 }
1610
1611 typedef struct {
1612         TnyHeader *header;
1613         GtkTreeRowReference *row_reference;
1614 } MsgReaderInfo;
1615
1616 static void
1617 message_reader_performer (gboolean canceled, 
1618                           GError *err,
1619                           GtkWindow *parent_window, 
1620                           TnyAccount *account, 
1621                           gpointer user_data)
1622 {
1623         ModestMailOperation *mail_op = NULL;
1624         MsgReaderInfo *info;
1625
1626         info = (MsgReaderInfo *) user_data;
1627         if (canceled || err) {
1628                 goto frees;
1629         }
1630
1631         /* New mail operation */
1632         mail_op = modest_mail_operation_new_with_error_handling (G_OBJECT(parent_window),
1633                                                                  modest_ui_actions_disk_operations_error_handler, 
1634                                                                  NULL, NULL);
1635                                 
1636         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
1637         modest_mail_operation_get_msg (mail_op, info->header, view_msg_cb, info->row_reference);
1638         g_object_unref (mail_op);
1639
1640  frees:
1641         /* Frees. The row_reference will be freed by the view_msg_cb callback */
1642         g_object_unref (info->header);
1643         g_slice_free (MsgReaderInfo, info);
1644 }
1645
1646
1647 /**
1648  * Reads the message whose summary item is @header. It takes care of
1649  * several things, among others:
1650  *
1651  * If the message was not previously downloaded then ask the user
1652  * before downloading. If there is no connection launch the connection
1653  * dialog. Update toolbar dimming rules.
1654  *
1655  * Returns: TRUE if the mail operation was started, otherwise if the
1656  * user do not want to download the message, or if the user do not
1657  * want to connect, then the operation is not issued
1658  **/
1659 static gboolean
1660 message_reader (ModestMsgViewWindow *window,
1661                 ModestMsgViewWindowPrivate *priv,
1662                 TnyHeader *header,
1663                 GtkTreeRowReference *row_reference)
1664 {
1665         gboolean already_showing = FALSE;
1666         ModestWindow *msg_window = NULL;
1667         ModestWindowMgr *mgr;
1668         TnyAccount *account;
1669         TnyFolder *folder;
1670         MsgReaderInfo *info;
1671
1672         g_return_val_if_fail (row_reference != NULL, FALSE);
1673
1674         mgr = modest_runtime_get_window_mgr ();
1675         already_showing = modest_window_mgr_find_registered_header (mgr, header, &msg_window);
1676         if (already_showing && (msg_window != MODEST_WINDOW (window))) {
1677                 gboolean retval;
1678                 if (msg_window)
1679                         gtk_window_present (GTK_WINDOW (msg_window));
1680                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &retval);
1681                 return TRUE;
1682         }
1683
1684         /* Msg download completed */
1685         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)) {
1686                 /* Ask the user if he wants to download the message if
1687                    we're not online */
1688                 if (!tny_device_is_online (modest_runtime_get_device())) {
1689                         GtkResponseType response;
1690
1691                         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
1692                                                                             _("mcen_nc_get_msg"));
1693                         if (response == GTK_RESPONSE_CANCEL)
1694                                 return FALSE;
1695                 
1696                         folder = tny_header_get_folder (header);
1697                         info = g_slice_new (MsgReaderInfo);
1698                         info->header = g_object_ref (header);
1699                         info->row_reference = gtk_tree_row_reference_copy (row_reference);
1700
1701                         /* Offer the connection dialog if necessary */
1702                         modest_platform_connect_if_remote_and_perform ((GtkWindow *) window, 
1703                                                                        TRUE,
1704                                                                        TNY_FOLDER_STORE (folder),
1705                                                                        message_reader_performer, 
1706                                                                        info);
1707                         g_object_unref (folder);
1708                         return TRUE;
1709                 }
1710         }
1711         
1712         folder = tny_header_get_folder (header);
1713         account = tny_folder_get_account (folder);
1714         info = g_slice_new (MsgReaderInfo);
1715         info->header = g_object_ref (header);
1716         info->row_reference = gtk_tree_row_reference_copy (row_reference);
1717         
1718         message_reader_performer (FALSE, NULL, (GtkWindow *) window, account, info);
1719         g_object_unref (account);
1720         g_object_unref (folder);
1721
1722         return TRUE;
1723 }
1724
1725 gboolean        
1726 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
1727 {
1728         ModestMsgViewWindowPrivate *priv;
1729         GtkTreePath *path= NULL;
1730         GtkTreeIter tmp_iter;
1731         TnyHeader *header;
1732         gboolean retval = TRUE;
1733         GtkTreeRowReference *row_reference = NULL;
1734
1735         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1736         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1737
1738         if (!priv->row_reference)
1739                 return FALSE;
1740
1741         /* Update the next row reference if it's not valid. This could
1742            happen if for example the header which it was pointing to,
1743            was deleted. The best place to do it is in the row-deleted
1744            handler but the tinymail model do not work like the glib
1745            tree models and reports the deletion when the row is still
1746            there */
1747         if (!gtk_tree_row_reference_valid (priv->next_row_reference)) {
1748                 if (gtk_tree_row_reference_valid (priv->row_reference)) {
1749                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1750                         select_next_valid_row (priv->header_model, &(priv->next_row_reference), FALSE);
1751                 }
1752         }
1753         if (priv->next_row_reference)
1754                 path = gtk_tree_row_reference_get_path (priv->next_row_reference);
1755         if (path == NULL)
1756                 return FALSE;
1757
1758         row_reference = gtk_tree_row_reference_copy (priv->next_row_reference);
1759
1760         gtk_tree_model_get_iter (priv->header_model,
1761                                  &tmp_iter,
1762                                  path);
1763         gtk_tree_path_free (path);
1764
1765         gtk_tree_model_get (priv->header_model, &tmp_iter, 
1766                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1767                             &header, -1);
1768         
1769         /* Read the message & show it */
1770         if (!message_reader (window, priv, header, row_reference)) {
1771                 retval = FALSE;
1772         }
1773         gtk_tree_row_reference_free (row_reference);
1774
1775         /* Free */
1776         g_object_unref (header);
1777
1778         return retval;          
1779 }
1780
1781 gboolean        
1782 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
1783 {
1784         ModestMsgViewWindowPrivate *priv = NULL;
1785         GtkTreePath *path;
1786         gboolean finished = FALSE;
1787         gboolean retval = FALSE;
1788
1789         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1790         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1791
1792         /* Return inmediatly if there is no header model */
1793         if (!priv->header_model || !priv->row_reference)
1794                 return FALSE;
1795
1796         path = gtk_tree_row_reference_get_path (priv->row_reference);
1797         while (!finished && gtk_tree_path_prev (path)) {
1798                 TnyHeader *header;
1799                 GtkTreeIter iter;
1800
1801                 gtk_tree_model_get_iter (priv->header_model, &iter, path);
1802                 gtk_tree_model_get (priv->header_model, &iter, 
1803                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1804                                     &header, -1);
1805                 finished = TRUE;
1806                 if (header) {
1807                         if (msg_is_visible (header, priv->is_outbox)) {
1808                                 GtkTreeRowReference *row_reference;
1809                                 row_reference = gtk_tree_row_reference_new (priv->header_model, path);
1810                                 /* Read the message & show it */
1811                                 retval = message_reader (window, priv, header, row_reference);
1812                                 gtk_tree_row_reference_free (row_reference);
1813                         } else {
1814                                 finished = FALSE;
1815                         }
1816                         g_object_unref (header);
1817                 }
1818         }
1819
1820         gtk_tree_path_free (path);
1821         return retval;
1822 }
1823
1824 static void
1825 view_msg_cb (ModestMailOperation *mail_op, 
1826              TnyHeader *header, 
1827              gboolean canceled,
1828              TnyMsg *msg, 
1829              GError *error,
1830              gpointer user_data)
1831 {
1832         ModestMsgViewWindow *self = NULL;
1833         ModestMsgViewWindowPrivate *priv = NULL;
1834         GtkTreeRowReference *row_reference = NULL;
1835
1836         row_reference = (GtkTreeRowReference *) user_data;
1837         if (canceled) {
1838                 gtk_tree_row_reference_free (row_reference);
1839                 return;
1840         }
1841         
1842         /* If there was any error */
1843         if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg)) {
1844                 gtk_tree_row_reference_free (row_reference);                    
1845                 return;
1846         }
1847
1848         /* Get the window */ 
1849         self = (ModestMsgViewWindow *) modest_mail_operation_get_source (mail_op);
1850         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
1851         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1852
1853         /* Update the row reference */
1854         if (priv->row_reference != NULL) {
1855                 gtk_tree_row_reference_free (priv->row_reference);
1856                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
1857                 if (priv->next_row_reference != NULL) {
1858                         gtk_tree_row_reference_free (priv->next_row_reference);
1859                 }
1860                 priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1861                 select_next_valid_row (priv->header_model, &(priv->next_row_reference), TRUE);
1862         }
1863
1864         /* Mark header as read */
1865         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1866                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1867
1868         /* Set new message */
1869         if (priv->msg_view != NULL && TNY_IS_MSG_VIEW (priv->msg_view)) {
1870                 tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
1871                 modest_msg_view_window_update_priority (self);
1872                 update_window_title (MODEST_MSG_VIEW_WINDOW (self));
1873                 modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1874         }
1875
1876         /* Set the new message uid of the window  */
1877         if (priv->msg_uid) {
1878                 g_free (priv->msg_uid);
1879                 priv->msg_uid = modest_tny_folder_get_header_unique_id (header);
1880         }
1881
1882         /* Notify the observers */
1883         g_signal_emit (G_OBJECT (self), signals[MSG_CHANGED_SIGNAL], 
1884                        0, priv->header_model, priv->row_reference);
1885
1886         /* Frees */
1887         g_object_unref (self);
1888         gtk_tree_row_reference_free (row_reference);            
1889 }
1890
1891 TnyFolderType
1892 modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window)
1893 {
1894         ModestMsgViewWindowPrivate *priv;
1895         TnyMsg *msg;
1896         TnyFolderType folder_type;
1897
1898         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1899
1900         folder_type = TNY_FOLDER_TYPE_UNKNOWN;
1901
1902         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1903         if (msg) {
1904                 TnyFolder *folder;
1905
1906                 folder = tny_msg_get_folder (msg);
1907                 if (folder) {
1908                         folder_type = modest_tny_folder_guess_folder_type (folder);
1909                         g_object_unref (folder);
1910                 }
1911                 g_object_unref (msg);
1912         }
1913
1914         return folder_type;
1915 }
1916
1917
1918 static void
1919 modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
1920 {
1921         ModestMsgViewWindowPrivate *priv;
1922         TnyHeader *header = NULL;
1923         TnyHeaderFlags flags = 0;
1924
1925         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1926
1927         if (priv->header_model && priv->row_reference) {
1928                 GtkTreeIter iter;
1929                 GtkTreePath *path = NULL;
1930
1931                 path = gtk_tree_row_reference_get_path (priv->row_reference);
1932                 g_return_if_fail (path != NULL);
1933                 gtk_tree_model_get_iter (priv->header_model, 
1934                                          &iter, 
1935                                          gtk_tree_row_reference_get_path (priv->row_reference));
1936
1937                 gtk_tree_model_get (priv->header_model, &iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1938                                     &header, -1);
1939                 gtk_tree_path_free (path);
1940         } else {
1941                 TnyMsg *msg;
1942                 msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1943                 if (msg) {
1944                         header = tny_msg_get_header (msg);
1945                         g_object_unref (msg);
1946                 }
1947         }
1948
1949         if (header) {
1950                 flags = tny_header_get_flags (header);
1951                 g_object_unref(G_OBJECT(header));
1952         }
1953
1954         modest_msg_view_set_priority (MODEST_MSG_VIEW(priv->msg_view), flags);
1955
1956 }
1957
1958 static void
1959 toolbar_resize (ModestMsgViewWindow *self)
1960 {
1961         ModestMsgViewWindowPrivate *priv = NULL;
1962         ModestWindowPrivate *parent_priv = NULL;
1963         GtkWidget *widget;
1964         gint static_button_size;
1965         ModestWindowMgr *mgr;
1966
1967         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
1968         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1969         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
1970
1971         mgr = modest_runtime_get_window_mgr ();
1972         static_button_size = modest_window_mgr_get_fullscreen_mode (mgr)?118:108;
1973
1974         if (parent_priv->toolbar) {
1975                 /* left size buttons */
1976                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
1977                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1978                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1979                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1980                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageMoveTo");
1981                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1982                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1983                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1984                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarDeleteMessage");
1985                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1986                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1987                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1988                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1989                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1990                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1991                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1992                 
1993                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
1994                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
1995                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
1996                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
1997                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
1998                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
1999                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
2000                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
2001         }
2002                 
2003 }
2004
2005 static gboolean
2006 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
2007 {
2008         if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
2009                 ModestWindowPrivate *parent_priv;
2010                 ModestWindowMgr *mgr;
2011                 gboolean is_fullscreen;
2012                 GtkAction *fs_toggle_action;
2013                 gboolean active;
2014
2015                 mgr = modest_runtime_get_window_mgr ();
2016                 is_fullscreen = (modest_window_mgr_get_fullscreen_mode (mgr))?1:0;
2017
2018                 parent_priv = MODEST_WINDOW_GET_PRIVATE (widget);
2019                 
2020                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
2021                 active = (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)))?1:0;
2022                 if (is_fullscreen != active) {
2023                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
2024                 }
2025                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (widget));
2026         }
2027
2028         return FALSE;
2029
2030 }
2031
2032 static void
2033 modest_msg_view_window_show_toolbar (ModestWindow *self,
2034                                      gboolean show_toolbar)
2035 {
2036         ModestMsgViewWindowPrivate *priv = NULL;
2037         ModestWindowPrivate *parent_priv;
2038         GtkWidget *reply_button = NULL, *menu = NULL;
2039         GtkWidget *placeholder = NULL;
2040         gint insert_index;
2041         const gchar *action_name;
2042         GtkAction *action;
2043         
2044         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
2045         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2046
2047         /* Set optimized view status */
2048         priv->optimized_view = !show_toolbar;
2049
2050         if (!parent_priv->toolbar) {
2051                 parent_priv->toolbar = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2052                                                                   "/ToolBar");
2053                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2054
2055                 priv->progress_toolitem = GTK_WIDGET (gtk_tool_item_new ());
2056                 priv->cancel_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarCancel");
2057                 priv->next_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageNext");
2058                 priv->prev_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
2059                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (self));
2060
2061                 /* Add ProgressBar (Transfer toolbar) */ 
2062                 priv->progress_bar = modest_progress_bar_new ();
2063                 gtk_widget_set_no_show_all (priv->progress_bar, TRUE);
2064                 placeholder = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ProgressbarView");
2065                 insert_index = gtk_toolbar_get_item_index(GTK_TOOLBAR (parent_priv->toolbar), GTK_TOOL_ITEM(placeholder));
2066                 gtk_container_add (GTK_CONTAINER (priv->progress_toolitem), priv->progress_bar);
2067                 gtk_toolbar_insert(GTK_TOOLBAR(parent_priv->toolbar), GTK_TOOL_ITEM (priv->progress_toolitem), insert_index);
2068                 
2069                 /* Connect cancel 'clicked' signal to abort progress mode */
2070                 g_signal_connect(priv->cancel_toolitem, "clicked",
2071                                  G_CALLBACK(cancel_progressbar),
2072                                  self);
2073                 
2074                 /* Add it to the observers list */
2075                 priv->progress_widgets = g_slist_prepend(priv->progress_widgets, priv->progress_bar);
2076
2077                 /* Add to window */
2078                 hildon_window_add_toolbar (HILDON_WINDOW (self), 
2079                                            GTK_TOOLBAR (parent_priv->toolbar));
2080
2081                 /* Set reply button tap and hold menu */        
2082                 reply_button = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2083                                                           "/ToolBar/ToolbarMessageReply");
2084                 menu = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2085                                                   "/ToolbarReplyCSM");
2086                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (reply_button), menu, NULL, 0);
2087         }
2088
2089         if (show_toolbar) {
2090                 /* Quick hack: this prevents toolbar icons "dance" when progress bar show status is changed */ 
2091                 /* TODO: resize mode migth be GTK_RESIZE_QUEUE, in order to avoid unneccesary shows */
2092                 gtk_container_set_resize_mode (GTK_CONTAINER(parent_priv->toolbar), GTK_RESIZE_IMMEDIATE);
2093
2094                 gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
2095                 if (modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (self))) 
2096                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_TRANSFER);
2097                 else
2098                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_NORMAL);
2099
2100         } else {
2101                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2102                 gtk_widget_hide (GTK_WIDGET (parent_priv->toolbar));
2103         }
2104
2105         /* Update also the actions (to update the toggles in the
2106            menus), we have to do it manually because some other window
2107            of the same time could have changed it (remember that the
2108            toolbar fullscreen mode is shared by all the windows of the
2109            same type */
2110         if (modest_window_mgr_get_fullscreen_mode (modest_runtime_get_window_mgr ()))
2111                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu";
2112         else
2113                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu";
2114
2115         action = gtk_ui_manager_get_action (parent_priv->ui_manager, action_name);
2116         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action),
2117                                                             show_toolbar);
2118 }
2119
2120 static void 
2121 modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
2122                                                GdkEvent *event,
2123                                                ModestMsgViewWindow *window)
2124 {
2125         if (!GTK_WIDGET_VISIBLE (window))
2126                 return;
2127
2128         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
2129 }
2130
2131 gboolean 
2132 modest_msg_view_window_transfer_mode_enabled (ModestMsgViewWindow *self)
2133 {
2134         ModestMsgViewWindowPrivate *priv;
2135         
2136         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE); 
2137         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2138
2139         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
2140 }
2141
2142 static void
2143 cancel_progressbar (GtkToolButton *toolbutton,
2144                     ModestMsgViewWindow *self)
2145 {
2146         GSList *tmp;
2147         ModestMsgViewWindowPrivate *priv;
2148         
2149         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2150
2151         /* Get operation observers and cancel its current operation */
2152         tmp = priv->progress_widgets;
2153         while (tmp) {
2154                 modest_progress_object_cancel_current_operation (MODEST_PROGRESS_OBJECT(tmp->data));
2155                 tmp=g_slist_next(tmp);
2156         }
2157 }
2158 static gboolean
2159 observers_empty (ModestMsgViewWindow *self)
2160 {
2161         GSList *tmp = NULL;
2162         ModestMsgViewWindowPrivate *priv;
2163         gboolean is_empty = TRUE;
2164         guint pending_ops = 0;
2165  
2166         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2167         tmp = priv->progress_widgets;
2168
2169         /* Check all observers */
2170         while (tmp && is_empty)  {
2171                 pending_ops = modest_progress_object_num_pending_operations (MODEST_PROGRESS_OBJECT(tmp->data));
2172                 is_empty = pending_ops == 0;
2173                 
2174                 tmp = g_slist_next(tmp);
2175         }
2176         
2177         return is_empty;
2178 }
2179
2180 static void
2181 on_account_removed (TnyAccountStore *account_store, 
2182                     TnyAccount *account,
2183                     gpointer user_data)
2184 {
2185         /* Do nothing if it's a transport account, because we only
2186            show the messages of a store account */
2187         if (tny_account_get_account_type(account) == TNY_ACCOUNT_TYPE_STORE) {
2188                 const gchar *parent_acc = NULL;
2189                 const gchar *our_acc = NULL;
2190
2191                 our_acc = modest_window_get_active_account (MODEST_WINDOW (user_data));
2192                 parent_acc = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2193
2194                 /* Close this window if I'm showing a message of the removed account */
2195                 if (strcmp (parent_acc, our_acc) == 0)
2196                         modest_ui_actions_on_close_window (NULL, MODEST_WINDOW (user_data));
2197         }
2198 }
2199
2200 static void 
2201 on_mail_operation_started (ModestMailOperation *mail_op,
2202                            gpointer user_data)
2203 {
2204         ModestMsgViewWindow *self;
2205         ModestMailOperationTypeOperation op_type;
2206         GSList *tmp;
2207         ModestMsgViewWindowPrivate *priv;
2208         GObject *source = NULL;
2209
2210         self = MODEST_MSG_VIEW_WINDOW (user_data);
2211         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2212         op_type = modest_mail_operation_get_type_operation (mail_op);
2213         tmp = priv->progress_widgets;
2214         source = modest_mail_operation_get_source(mail_op);
2215         if (G_OBJECT (self) == source) {
2216                 if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
2217                         set_toolbar_transfer_mode(self);
2218                         while (tmp) {
2219                                 modest_progress_object_add_operation (
2220                                                 MODEST_PROGRESS_OBJECT (tmp->data),
2221                                                 mail_op);
2222                                 tmp = g_slist_next (tmp);
2223                         }
2224                 }
2225         }
2226         g_object_unref (source);
2227 }
2228
2229 static void 
2230 on_mail_operation_finished (ModestMailOperation *mail_op,
2231                             gpointer user_data)
2232 {
2233         ModestMsgViewWindow *self;
2234         ModestMailOperationTypeOperation op_type;
2235         GSList *tmp;
2236         ModestMsgViewWindowPrivate *priv;
2237         
2238         self = MODEST_MSG_VIEW_WINDOW (user_data);
2239         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2240         op_type = modest_mail_operation_get_type_operation (mail_op);
2241         tmp = priv->progress_widgets;
2242         
2243         if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
2244                 while (tmp) {
2245                         modest_progress_object_remove_operation (MODEST_PROGRESS_OBJECT (tmp->data),
2246                                                                  mail_op);
2247                         tmp = g_slist_next (tmp);
2248                 }
2249
2250                 /* If no more operations are being observed, NORMAL mode is enabled again */
2251                 if (observers_empty (self)) {
2252                         set_toolbar_mode (self, TOOLBAR_MODE_NORMAL);
2253                 }
2254
2255                 /* Update dimming rules. We have to do this right here
2256                    and not in view_msg_cb because at that point the
2257                    transfer mode is still enabled so the dimming rule
2258                    won't let the user delete the message that has been
2259                    readed for example */
2260                 modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (self));
2261                 modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
2262         }
2263 }
2264
2265 static void
2266 on_queue_changed (ModestMailOperationQueue *queue,
2267                   ModestMailOperation *mail_op,
2268                   ModestMailOperationQueueNotification type,
2269                   ModestMsgViewWindow *self)
2270 {       
2271         ModestMsgViewWindowPrivate *priv;
2272
2273         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2274
2275         /* If this operations was created by another window, do nothing */
2276         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self))) 
2277             return;
2278
2279         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
2280                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
2281                                                                G_OBJECT (mail_op),
2282                                                                "operation-started",
2283                                                                G_CALLBACK (on_mail_operation_started),
2284                                                                self);
2285                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
2286                                                                G_OBJECT (mail_op),
2287                                                                "operation-finished",
2288                                                                G_CALLBACK (on_mail_operation_finished),
2289                                                                self);
2290         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
2291                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
2292                                                                   G_OBJECT (mail_op),
2293                                                                   "operation-started");
2294                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
2295                                                                   G_OBJECT (mail_op),
2296                                                                   "operation-finished");
2297         }
2298 }
2299
2300 TnyList *
2301 modest_msg_view_window_get_attachments (ModestMsgViewWindow *win) 
2302 {
2303         ModestMsgViewWindowPrivate *priv;
2304         TnyList *selected_attachments = NULL;
2305         
2306         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), NULL);
2307         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (win);
2308
2309         selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2310         
2311         return selected_attachments;
2312 }
2313
2314 void
2315 modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart *mime_part)
2316 {
2317         ModestMsgViewWindowPrivate *priv;
2318         const gchar *msg_uid;
2319         gchar *attachment_uid = NULL;
2320         gint attachment_index = 0;
2321         TnyList *attachments;
2322
2323         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2324         g_return_if_fail (TNY_IS_MIME_PART (mime_part) || (mime_part == NULL));
2325         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2326
2327         msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (window));
2328         attachments = modest_msg_view_get_attachments (MODEST_MSG_VIEW (priv->msg_view));
2329         attachment_index = modest_list_index (attachments, (GObject *) mime_part);
2330         g_object_unref (attachments);
2331         
2332         if (msg_uid && attachment_index >= 0) {
2333                 attachment_uid = g_strdup_printf ("%s/%d", msg_uid, attachment_index);
2334         }
2335
2336         if (mime_part == NULL) {
2337                 gboolean error = FALSE;
2338                 TnyList *selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2339                 if (selected_attachments == NULL || tny_list_get_length (selected_attachments) == 0) {
2340                         error = TRUE;
2341                 } else if (tny_list_get_length (selected_attachments) > 1) {
2342                         hildon_banner_show_information (NULL, NULL, _("mcen_ib_unable_to_display_more"));
2343                         error = TRUE;
2344                 } else {
2345                         TnyIterator *iter;
2346                         iter = tny_list_create_iterator (selected_attachments);
2347                         mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2348                         g_object_unref (iter);
2349                 }
2350                 g_object_unref (selected_attachments);
2351
2352                 if (error)
2353                         return;
2354         } else {
2355                 g_object_ref (mime_part);
2356         }
2357
2358         if (tny_mime_part_is_purged (mime_part)) {
2359                 g_object_unref (mime_part);
2360                 return;
2361         }
2362
2363         if (!modest_tny_mime_part_is_msg (mime_part)) {
2364                 gchar *filepath = NULL;
2365                 const gchar *att_filename = tny_mime_part_get_filename (mime_part);
2366                 const gchar *content_type;
2367                 gboolean show_error_banner = FALSE;
2368                 GError *err;
2369                 TnyFsStream *temp_stream = NULL;
2370                 temp_stream = modest_utils_create_temp_stream (att_filename, attachment_uid,
2371                                                                &filepath);
2372                 
2373                 if (temp_stream != NULL) {
2374                         content_type = tny_mime_part_get_content_type (mime_part);
2375                         if (tny_mime_part_decode_to_stream (mime_part, TNY_STREAM (temp_stream), &err) >= 0) {
2376                                 /* make the file read-only */
2377                                 if (g_chmod(filepath, 0444) != 0)
2378                                         g_warning ("%s: failed to set file '%s' to read-only: %s",
2379                                                         __FUNCTION__, filepath, strerror(errno));
2380
2381                                 modest_platform_activate_file (filepath, content_type);
2382                         } else {
2383                                 /* error while saving attachment, maybe cerm_device_memory_full */
2384                                 show_error_banner = TRUE;
2385                                 if (err != NULL) {
2386                                         g_warning ("%s: tny_mime_part_decode_to_stream failed (%s)", __FUNCTION__, err->message);
2387                                         g_error_free (err);
2388                                 }
2389                         }
2390                         g_object_unref (temp_stream);
2391                         g_free (filepath);
2392                         /* NOTE: files in the temporary area will be automatically
2393                          * cleaned after some time if they are no longer in use */
2394                 } else {
2395                         if (filepath != NULL) {
2396                                 /* the file may already exist but it isn't writable,
2397                                  * let's try to open it anyway */
2398                                 content_type = tny_mime_part_get_content_type (mime_part);
2399                                 modest_platform_activate_file (filepath, content_type);
2400                                 g_free (filepath);
2401                         } else {
2402                                 g_warning ("%s: modest_utils_create_temp_stream failed", __FUNCTION__);
2403                                 show_error_banner = TRUE;
2404                         }
2405                 }
2406                 if (show_error_banner)
2407                         modest_platform_information_banner (NULL, NULL, _("mail_ib_file_operation_failed"));
2408         } else {
2409                 /* message attachment */
2410                 TnyHeader *header = NULL;
2411                 ModestWindowMgr *mgr;
2412                 ModestWindow *msg_win = NULL;
2413                 gboolean found;
2414                 
2415                 header = tny_msg_get_header (TNY_MSG (mime_part));
2416                 mgr = modest_runtime_get_window_mgr ();         
2417                 found = modest_window_mgr_find_registered_header (mgr, header, &msg_win);
2418
2419                 if (found) {
2420                         if (msg_win)                            /* there is already a window for this uid; top it */
2421                                 gtk_window_present (GTK_WINDOW(msg_win));
2422                         else 
2423                                 /* if it's found, but there is no msg_win, it's probably in the process of being created;
2424                                  * thus, we don't do anything */
2425                                 g_warning ("window for is already being created");
2426                 } else { 
2427                         /* it's not found, so create a new window for it */
2428                         modest_window_mgr_register_header (mgr, header, attachment_uid); /* register the uid before building the window */
2429                         gchar *account = g_strdup (modest_window_get_active_account (MODEST_WINDOW (window)));
2430                         if (!account)
2431                                 account = modest_account_mgr_get_default_account (modest_runtime_get_account_mgr ());
2432                         msg_win = modest_msg_view_window_new_for_attachment (TNY_MSG (mime_part), account, attachment_uid);
2433                         modest_window_set_zoom (MODEST_WINDOW (msg_win), 
2434                                                 modest_window_get_zoom (MODEST_WINDOW (window)));
2435                         modest_window_mgr_register_window (mgr, msg_win);
2436                         gtk_widget_show_all (GTK_WIDGET (msg_win));
2437                 }
2438         }
2439         g_object_unref (mime_part);
2440 }
2441
2442 typedef struct
2443 {
2444         gchar *filename;
2445         TnyMimePart *part;
2446 } SaveMimePartPair;
2447
2448 typedef struct
2449 {
2450         GList *pairs;
2451         GtkWidget *banner;
2452         GnomeVFSResult result;
2453 } SaveMimePartInfo;
2454
2455 static void save_mime_part_info_free (SaveMimePartInfo *info, gboolean with_struct);
2456 static gboolean idle_save_mime_part_show_result (SaveMimePartInfo *info);
2457 static gpointer save_mime_part_to_file (SaveMimePartInfo *info);
2458 static void save_mime_parts_to_file_with_checks (SaveMimePartInfo *info);
2459
2460 static void 
2461 save_mime_part_info_free (SaveMimePartInfo *info, gboolean with_struct)
2462 {
2463         
2464         GList *node;
2465         for (node = info->pairs; node != NULL; node = g_list_next (node)) {
2466                 SaveMimePartPair *pair = (SaveMimePartPair *) node->data;
2467                 g_free (pair->filename);
2468                 g_object_unref (pair->part);
2469                 g_slice_free (SaveMimePartPair, pair);
2470         }
2471         g_list_free (info->pairs);
2472         info->pairs = NULL;
2473         if (with_struct) {
2474                 gtk_widget_destroy (info->banner);
2475                 g_slice_free (SaveMimePartInfo, info);
2476         }
2477 }
2478
2479 static gboolean
2480 idle_save_mime_part_show_result (SaveMimePartInfo *info)
2481 {
2482         if (info->pairs != NULL) {
2483                 save_mime_part_to_file (info);
2484         } else {
2485                 /* This is a GDK lock because we are an idle callback and
2486                  * hildon_banner_show_information is or does Gtk+ code */
2487
2488                 gdk_threads_enter (); /* CHECKED */
2489                 save_mime_part_info_free (info, TRUE);
2490                 if (info->result == GNOME_VFS_OK) {
2491                         hildon_banner_show_information (NULL, NULL, _CS("sfil_ib_saved"));
2492                 } else if (info->result == GNOME_VFS_ERROR_NO_SPACE) {
2493                         hildon_banner_show_information (NULL, NULL, dgettext("ke-recv", 
2494                                                                              "cerm_device_memory_full"));
2495                 } else {
2496                         hildon_banner_show_information (NULL, NULL, _("mail_ib_file_operation_failed"));
2497                 }
2498                 gdk_threads_leave (); /* CHECKED */
2499         }
2500
2501         return FALSE;
2502 }
2503
2504 static gpointer
2505 save_mime_part_to_file (SaveMimePartInfo *info)
2506 {
2507         GnomeVFSHandle *handle;
2508         TnyStream *stream;
2509         SaveMimePartPair *pair = (SaveMimePartPair *) info->pairs->data;
2510
2511         info->result = gnome_vfs_create (&handle, pair->filename, GNOME_VFS_OPEN_WRITE, FALSE, 0644);
2512         if (info->result == GNOME_VFS_OK) {
2513                 stream = tny_vfs_stream_new (handle);
2514                 if (tny_mime_part_decode_to_stream (pair->part, stream, NULL) < 0) {
2515                         info->result = GNOME_VFS_ERROR_IO;
2516                 }
2517                 g_object_unref (G_OBJECT (stream));
2518                 g_object_unref (pair->part);
2519                 g_slice_free (SaveMimePartPair, pair);
2520                 info->pairs = g_list_delete_link (info->pairs, info->pairs);
2521         } else {
2522                 save_mime_part_info_free (info, FALSE);
2523         }
2524
2525         g_idle_add ((GSourceFunc) idle_save_mime_part_show_result, info);
2526         return NULL;
2527 }
2528
2529 static void
2530 save_mime_parts_to_file_with_checks (SaveMimePartInfo *info)
2531 {
2532         gboolean is_ok = TRUE;
2533         gint replaced_files = 0;
2534         const GList *files = info->pairs;
2535         const GList *iter;
2536
2537         for (iter = files; (iter != NULL) && (replaced_files < 2); iter = g_list_next(iter)) {
2538                 SaveMimePartPair *pair = iter->data;
2539                 if (modest_utils_file_exists (pair->filename)) {
2540                         replaced_files++;
2541                 }
2542         }
2543         if (replaced_files) {
2544                 GtkWidget *confirm_overwrite_dialog;
2545                 const gchar *message = (replaced_files == 1) ?
2546                         _FM("docm_nc_replace_file") : _FM("docm_nc_replace_multiple");
2547                 confirm_overwrite_dialog = hildon_note_new_confirmation (NULL, message);
2548                 if (gtk_dialog_run (GTK_DIALOG (confirm_overwrite_dialog)) != GTK_RESPONSE_OK) {
2549                         is_ok = FALSE;
2550                 }
2551                 gtk_widget_destroy (confirm_overwrite_dialog);
2552         }
2553
2554         if (!is_ok) {
2555                 save_mime_part_info_free (info, TRUE);
2556         } else {
2557                 GtkWidget *banner = hildon_banner_show_animation (NULL, NULL, 
2558                                                                   _CS("sfil_ib_saving"));
2559                 info->banner = banner;
2560                 g_thread_create ((GThreadFunc)save_mime_part_to_file, info, FALSE, NULL);
2561         }
2562
2563 }
2564
2565
2566 void
2567 modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, TnyList *mime_parts)
2568 {
2569         ModestMsgViewWindowPrivate *priv;
2570         GList *files_to_save = NULL;
2571         GtkWidget *save_dialog = NULL;
2572         gchar *folder = NULL;
2573         const gchar *filename = NULL;
2574         gchar *save_multiple_str = NULL;
2575
2576         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2577         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2578
2579         if (mime_parts == NULL) {
2580                 mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2581                 if (mime_parts == NULL || tny_list_get_length (mime_parts) == 0)
2582                         return;
2583         } else {
2584                 g_object_ref (mime_parts);
2585         }
2586
2587         /* prepare dialog */
2588         if (tny_list_get_length (mime_parts) == 1) {
2589                 TnyIterator *iter;
2590                 /* only one attachment selected */
2591                 iter = tny_list_create_iterator (mime_parts);
2592                 TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2593                 g_object_unref (iter);
2594                 if (!modest_tny_mime_part_is_msg (mime_part) && 
2595                     modest_tny_mime_part_is_attachment_for_modest (mime_part) &&
2596                     !tny_mime_part_is_purged (mime_part)) {
2597                         filename = tny_mime_part_get_filename (mime_part);
2598                 } else {
2599                         /* TODO: show any error? */
2600                         g_warning ("Tried to save a non-file attachment");
2601                         g_object_unref (mime_parts);
2602                         return;
2603                 }
2604                 g_object_unref (mime_part);
2605         } else {
2606                 save_multiple_str = g_strdup_printf (_FM("sfil_va_number_of_objects_attachments"), 
2607                                                      tny_list_get_length (mime_parts));
2608         }
2609         
2610         save_dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (window), 
2611                                                       GTK_FILE_CHOOSER_ACTION_SAVE);
2612
2613         /* set folder */
2614         folder = g_build_filename (g_get_home_dir (), DEFAULT_FOLDER, NULL);
2615         gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (save_dialog), folder);
2616         g_free (folder);
2617
2618         /* set filename */
2619         if (filename != NULL)
2620                 gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (save_dialog), 
2621                                                    filename);
2622
2623         /* if multiple, set multiple string */
2624         if (save_multiple_str) {
2625                 g_object_set (G_OBJECT (save_dialog), "save-multiple", save_multiple_str, NULL);
2626                 gtk_window_set_title (GTK_WINDOW (save_dialog), _FM("sfil_ti_save_objects_files"));
2627         }
2628                 
2629         /* show dialog */
2630         if (gtk_dialog_run (GTK_DIALOG (save_dialog)) == GTK_RESPONSE_OK) {
2631                 gchar *chooser_uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (save_dialog));
2632
2633                 if (!modest_utils_folder_writable (chooser_uri)) {
2634                         hildon_banner_show_information 
2635                                 (NULL, NULL, dgettext("hildon-fm", "sfil_ib_readonly_location"));
2636                 } else {
2637                         TnyIterator *iter;
2638
2639                         iter = tny_list_create_iterator (mime_parts);
2640                         while (!tny_iterator_is_done (iter)) {
2641                                 TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2642
2643                                 if ((modest_tny_mime_part_is_attachment_for_modest (mime_part)) &&
2644                                     !tny_mime_part_is_purged (mime_part) &&
2645                                     (tny_mime_part_get_filename (mime_part) != NULL)) {
2646                                         SaveMimePartPair *pair;
2647                                         
2648                                         pair = g_slice_new0 (SaveMimePartPair);
2649                                         if (save_multiple_str) {
2650                                                 gchar *escaped = gnome_vfs_escape_slashes (
2651                                                         tny_mime_part_get_filename (mime_part));
2652                                                 pair->filename = g_build_filename (chooser_uri, escaped, NULL);
2653                                                 g_free (escaped);
2654                                         } else {
2655                                                 pair->filename = g_strdup (chooser_uri);
2656                                         }
2657                                         pair->part = mime_part;
2658                                         files_to_save = g_list_prepend (files_to_save, pair);
2659                                 }
2660                                 tny_iterator_next (iter);
2661                         }
2662                         g_object_unref (iter);
2663                 }
2664                 g_free (chooser_uri);
2665         }
2666
2667         gtk_widget_destroy (save_dialog);
2668
2669         g_object_unref (mime_parts);
2670
2671         if (files_to_save != NULL) {
2672                 SaveMimePartInfo *info = g_slice_new0 (SaveMimePartInfo);
2673                 info->pairs = files_to_save;
2674                 info->result = TRUE;
2675                 save_mime_parts_to_file_with_checks (info);
2676         }
2677 }
2678
2679 static gboolean
2680 show_remove_attachment_information (gpointer userdata)
2681 {
2682         ModestMsgViewWindow *window = (ModestMsgViewWindow *) userdata;
2683         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2684
2685         /* We're outside the main lock */
2686         gdk_threads_enter ();
2687
2688         if (priv->remove_attachment_banner != NULL) {
2689                 gtk_widget_destroy (priv->remove_attachment_banner);
2690                 g_object_unref (priv->remove_attachment_banner);
2691         }
2692
2693         priv->remove_attachment_banner = g_object_ref (
2694                 hildon_banner_show_animation (NULL, NULL, _("mcen_ib_removing_attachment")));
2695
2696         gdk_threads_leave ();
2697
2698         return FALSE;
2699 }
2700
2701 void
2702 modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean get_all)
2703 {
2704         ModestMsgViewWindowPrivate *priv;
2705         TnyList *mime_parts = NULL;
2706         gchar *confirmation_message;
2707         gint response;
2708         gint n_attachments;
2709         TnyMsg *msg;
2710         TnyIterator *iter;
2711 /*      TnyFolder *folder; */
2712
2713         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2714         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2715
2716         if (get_all)
2717                 mime_parts = modest_msg_view_get_attachments (MODEST_MSG_VIEW (priv->msg_view));
2718         else
2719                 mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2720                 
2721         /* Remove already purged messages from mime parts list */
2722         iter = tny_list_create_iterator (mime_parts);
2723         while (!tny_iterator_is_done (iter)) {
2724                 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
2725                 tny_iterator_next (iter);
2726                 if (tny_mime_part_is_purged (part)) {
2727                         tny_list_remove (mime_parts, (GObject *) part);
2728                 }
2729                 g_object_unref (part);
2730         }
2731         g_object_unref (iter);
2732
2733         if (tny_list_get_length (mime_parts) == 0) {
2734                 g_object_unref (mime_parts);
2735                 return;
2736         }
2737
2738         n_attachments = tny_list_get_length (mime_parts);
2739         if (n_attachments == 1) {
2740                 const gchar *filename;
2741                 TnyMimePart *part;
2742
2743                 iter = tny_list_create_iterator (mime_parts);
2744                 part = (TnyMimePart *) tny_iterator_get_current (iter);
2745                 g_object_unref (iter);
2746                 if (modest_tny_mime_part_is_msg (part)) {
2747                         TnyHeader *header;
2748                         header = tny_msg_get_header (TNY_MSG (part));
2749                         filename = tny_header_get_subject (header);
2750                         g_object_unref (header);
2751                         if (filename == NULL)
2752                                 filename = _("mail_va_no_subject");
2753                 } else {
2754                         filename = tny_mime_part_get_filename (TNY_MIME_PART (part));
2755                 }
2756                 confirmation_message = g_strdup_printf (_("mcen_nc_purge_file_text"), filename);
2757                 g_object_unref (part);
2758         } else {
2759                 confirmation_message = g_strdup_printf (ngettext("mcen_nc_purge_file_text", 
2760                                                                  "mcen_nc_purge_files_text", 
2761                                                                  n_attachments), n_attachments);
2762         }
2763         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
2764                                                             confirmation_message);
2765         g_free (confirmation_message);
2766
2767         if (response != GTK_RESPONSE_OK) {
2768                 g_object_unref (mime_parts);
2769                 return;
2770         }
2771
2772         priv->purge_timeout = g_timeout_add (2000, show_remove_attachment_information, window);
2773 /*      folder = tny_msg_get_folder (msg); */
2774 /*      tny_msg_uncache_attachments (msg); */
2775 /*      tny_folder_refresh (folder, NULL); */
2776 /*      g_object_unref (folder); */
2777         
2778         iter = tny_list_create_iterator (mime_parts);
2779         while (!tny_iterator_is_done (iter)) {
2780                 TnyMimePart *part;
2781
2782                 part = (TnyMimePart *) tny_iterator_get_current (iter);
2783                 tny_mime_part_set_purged (TNY_MIME_PART (part));
2784 /*              modest_msg_view_remove_attachment (MODEST_MSG_VIEW (priv->msg_view), node->data); */
2785                 g_object_unref (part);
2786                 tny_iterator_next (iter);
2787         }
2788         g_object_unref (iter);
2789
2790         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
2791         tny_msg_view_clear (TNY_MSG_VIEW (priv->msg_view));
2792         tny_msg_rewrite_cache (msg);
2793         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
2794         g_object_unref (msg);
2795
2796         g_object_unref (mime_parts);
2797
2798         if (priv->purge_timeout > 0) {
2799                 g_source_remove (priv->purge_timeout);
2800                 priv->purge_timeout = 0;
2801         }
2802
2803         if (priv->remove_attachment_banner) {
2804                 gtk_widget_destroy (priv->remove_attachment_banner);
2805                 g_object_unref (priv->remove_attachment_banner);
2806                 priv->remove_attachment_banner = NULL;
2807         }
2808
2809
2810 }
2811
2812
2813 static void
2814 update_window_title (ModestMsgViewWindow *window)
2815 {
2816         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2817         TnyMsg *msg = NULL;
2818         TnyHeader *header = NULL;
2819         const gchar *subject = NULL;
2820         
2821         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
2822
2823         if (msg != NULL) {
2824                 header = tny_msg_get_header (msg);
2825                 subject = tny_header_get_subject (header);
2826                 g_object_unref (msg);
2827         }
2828
2829         if ((subject == NULL)||(subject[0] == '\0'))
2830                 subject = _("mail_va_no_subject");
2831
2832         gtk_window_set_title (GTK_WINDOW (window), subject);
2833 }
2834
2835
2836 static void on_move_focus (GtkWidget *widget,
2837                            GtkDirectionType direction,
2838                            gpointer userdata)
2839 {
2840         g_signal_stop_emission_by_name (G_OBJECT (widget), "move-focus");
2841 }
2842