* 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
99 static void modest_msg_view_window_on_row_changed (GtkTreeModel *header_model,
100                                                    GtkTreePath *arg1,
101                                                    GtkTreeIter *arg2,
102                                                    ModestMsgViewWindow *window);
103
104 static void modest_msg_view_window_on_row_deleted (GtkTreeModel *header_model,
105                                                    GtkTreePath *arg1,
106                                                    ModestMsgViewWindow *window);
107
108 static void modest_msg_view_window_on_row_inserted (GtkTreeModel *header_model,
109                                                     GtkTreePath *tree_path,
110                                                     GtkTreeIter *tree_iter,
111                                                     ModestMsgViewWindow *window);
112
113 static void modest_msg_view_window_on_row_reordered (GtkTreeModel *header_model,
114                                                      GtkTreePath *arg1,
115                                                      GtkTreeIter *arg2,
116                                                      gpointer arg3,
117                                                      ModestMsgViewWindow *window);
118
119 static void modest_msg_view_window_update_model_replaced (ModestHeaderViewObserver *window,
120                                                           GtkTreeModel *model,
121                                                           const gchar *tny_folder_id);
122
123 static void cancel_progressbar  (GtkToolButton *toolbutton,
124                                  ModestMsgViewWindow *self);
125
126 static void on_queue_changed    (ModestMailOperationQueue *queue,
127                                  ModestMailOperation *mail_op,
128                                  ModestMailOperationQueueNotification type,
129                                  ModestMsgViewWindow *self);
130
131 static void on_account_removed  (TnyAccountStore *account_store, 
132                                  TnyAccount *account,
133                                  gpointer user_data);
134
135 static void on_move_focus (GtkWidget *widget,
136                            GtkDirectionType direction,
137                            gpointer userdata);
138
139 static void view_msg_cb         (ModestMailOperation *mail_op, 
140                                  TnyHeader *header, 
141                                  gboolean canceled,
142                                  TnyMsg *msg, 
143                                  GError *error,
144                                  gpointer user_data);
145
146 static void set_toolbar_mode    (ModestMsgViewWindow *self, 
147                                  ModestToolBarModes mode);
148
149 static void update_window_title (ModestMsgViewWindow *window);
150
151 static gboolean set_toolbar_transfer_mode     (ModestMsgViewWindow *self); 
152 static void init_window (ModestMsgViewWindow *obj);
153
154 static gboolean msg_is_visible (TnyHeader *header, gboolean check_outbox);
155
156 static void check_dimming_rules_after_change (ModestMsgViewWindow *window);
157
158 /* list my signals */
159 enum {
160         MSG_CHANGED_SIGNAL,
161         LAST_SIGNAL
162 };
163
164 static const GtkToggleActionEntry msg_view_toggle_action_entries [] = {
165         { "FindInMessage",    MODEST_TOOLBAR_ICON_FIND,    N_("qgn_toolb_gene_find"), NULL, NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
166         { "ToolsFindInMessage", NULL, N_("mcen_me_viewer_find"), "<CTRL>F", NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
167 };
168
169 static const GtkRadioActionEntry msg_view_zoom_action_entries [] = {
170         { "Zoom50", NULL, N_("mcen_me_viewer_50"), NULL, NULL, 50 },
171         { "Zoom80", NULL, N_("mcen_me_viewer_80"), NULL, NULL, 80 },
172         { "Zoom100", NULL, N_("mcen_me_viewer_100"), NULL, NULL, 100 },
173         { "Zoom120", NULL, N_("mcen_me_viewer_120"), NULL, NULL, 120 },
174         { "Zoom150", NULL, N_("mcen_me_viewer_150"), NULL, NULL, 150 },
175         { "Zoom200", NULL, N_("mcen_me_viewer_200"), NULL, NULL, 200 }
176 };
177
178 typedef struct _ModestMsgViewWindowPrivate ModestMsgViewWindowPrivate;
179 struct _ModestMsgViewWindowPrivate {
180
181         GtkWidget   *msg_view;
182         GtkWidget   *main_scroll;
183         GtkWidget   *find_toolbar;
184         gchar       *last_search;
185
186         /* Progress observers */
187         GtkWidget        *progress_bar;
188         GSList           *progress_widgets;
189
190         /* Tollbar items */
191         GtkWidget   *progress_toolitem;
192         GtkWidget   *cancel_toolitem;
193         GtkWidget   *prev_toolitem;
194         GtkWidget   *next_toolitem;
195         ModestToolBarModes current_toolbar_mode;
196
197         /* Optimized view enabled */
198         gboolean optimized_view;
199
200         /* Whether this was created via the *_new_for_search_result() function. */
201         gboolean is_search_result;
202
203         /* Whether the message is in outbox */
204         gboolean is_outbox;
205         
206         /* A reference to the @model of the header view 
207          * to allow selecting previous/next messages,
208          * if the message is currently selected in the header view.
209          */
210         const gchar *header_folder_id;
211         GtkTreeModel *header_model;
212         GtkTreeRowReference *row_reference;
213         GtkTreeRowReference *next_row_reference;
214
215         gulong clipboard_change_handler;
216         gulong queue_change_handler;
217         gulong account_removed_handler;
218         gulong row_changed_handler;
219         gulong row_deleted_handler;
220         gulong row_inserted_handler;
221         gulong rows_reordered_handler;
222
223         guint purge_timeout;
224         GtkWidget *remove_attachment_banner;
225
226         guint progress_bar_timeout;
227
228         gchar *msg_uid;
229         
230         GSList *sighandlers;
231 };
232
233 #define MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
234                                                     MODEST_TYPE_MSG_VIEW_WINDOW, \
235                                                     ModestMsgViewWindowPrivate))
236 /* globals */
237 static GtkWindowClass *parent_class = NULL;
238
239 /* uncomment the following if you have defined any signals */
240 static guint signals[LAST_SIGNAL] = {0};
241
242 GType
243 modest_msg_view_window_get_type (void)
244 {
245         static GType my_type = 0;
246         if (!my_type) {
247                 static const GTypeInfo my_info = {
248                         sizeof(ModestMsgViewWindowClass),
249                         NULL,           /* base init */
250                         NULL,           /* base finalize */
251                         (GClassInitFunc) modest_msg_view_window_class_init,
252                         NULL,           /* class finalize */
253                         NULL,           /* class data */
254                         sizeof(ModestMsgViewWindow),
255                         1,              /* n_preallocs */
256                         (GInstanceInitFunc) modest_msg_view_window_init,
257                         NULL
258                 };
259                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
260                                                   "ModestMsgViewWindow",
261                                                   &my_info, 0);
262
263                 static const GInterfaceInfo modest_header_view_observer_info = 
264                 {
265                         (GInterfaceInitFunc) modest_header_view_observer_init,
266                         NULL,         /* interface_finalize */
267                         NULL          /* interface_data */
268                 };
269
270                 g_type_add_interface_static (my_type,
271                                 MODEST_TYPE_HEADER_VIEW_OBSERVER,
272                                 &modest_header_view_observer_info);
273         }
274         return my_type;
275 }
276
277 static void
278 save_state (ModestWindow *self)
279 {
280         modest_widget_memory_save (modest_runtime_get_conf (),
281                                    G_OBJECT(self), 
282                                    MODEST_CONF_MSG_VIEW_WINDOW_KEY);
283 }
284
285
286 static void
287 restore_settings (ModestMsgViewWindow *self)
288 {
289         ModestConf *conf;
290         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (self);
291         GtkAction *action;
292
293         conf = modest_runtime_get_conf ();
294         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
295                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu");
296         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
297                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR, NULL));
298         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
299                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu");
300         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
301                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN, NULL));
302         modest_widget_memory_restore (conf,
303                                       G_OBJECT(self), 
304                                       MODEST_CONF_MSG_VIEW_WINDOW_KEY);
305 }
306
307 static void
308 modest_msg_view_window_class_init (ModestMsgViewWindowClass *klass)
309 {
310         GObjectClass *gobject_class;
311         ModestWindowClass *modest_window_class;
312         gobject_class = (GObjectClass*) klass;
313         modest_window_class = (ModestWindowClass *) klass;
314
315         parent_class            = g_type_class_peek_parent (klass);
316         gobject_class->finalize = modest_msg_view_window_finalize;
317
318         modest_window_class->set_zoom_func = modest_msg_view_window_set_zoom;
319         modest_window_class->get_zoom_func = modest_msg_view_window_get_zoom;
320         modest_window_class->zoom_minus_func = modest_msg_view_window_zoom_minus;
321         modest_window_class->zoom_plus_func = modest_msg_view_window_zoom_plus;
322         modest_window_class->show_toolbar_func = modest_msg_view_window_show_toolbar;
323         modest_window_class->disconnect_signals_func = modest_msg_view_window_disconnect_signals;
324
325         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewWindowPrivate));
326
327         modest_window_class->save_state_func = save_state;
328
329         signals[MSG_CHANGED_SIGNAL] =
330                 g_signal_new ("msg-changed",
331                               G_TYPE_FROM_CLASS (gobject_class),
332                               G_SIGNAL_RUN_FIRST,
333                               G_STRUCT_OFFSET (ModestMsgViewWindowClass, msg_changed),
334                               NULL, NULL,
335                               modest_marshal_VOID__POINTER_POINTER,
336                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
337 }
338
339 static void modest_header_view_observer_init(
340                 ModestHeaderViewObserverIface *iface_class)
341 {
342         iface_class->update_func = modest_msg_view_window_update_model_replaced;
343 }
344
345 static void
346 modest_msg_view_window_init (ModestMsgViewWindow *obj)
347 {
348         ModestMsgViewWindowPrivate *priv;
349         ModestWindowPrivate *parent_priv = NULL;
350         GtkActionGroup *action_group = NULL;
351         GError *error = NULL;
352         GdkPixbuf *window_icon;
353
354         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
355         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
356         parent_priv->ui_manager = gtk_ui_manager_new();
357
358         action_group = gtk_action_group_new ("ModestMsgViewWindowActions");
359         gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
360
361         /* Add common actions */
362         gtk_action_group_add_actions (action_group,
363                                       modest_action_entries,
364                                       G_N_ELEMENTS (modest_action_entries),
365                                       obj);
366         gtk_action_group_add_toggle_actions (action_group,
367                                              modest_toggle_action_entries,
368                                              G_N_ELEMENTS (modest_toggle_action_entries),
369                                              obj);
370         gtk_action_group_add_toggle_actions (action_group,
371                                              msg_view_toggle_action_entries,
372                                              G_N_ELEMENTS (msg_view_toggle_action_entries),
373                                              obj);
374         gtk_action_group_add_radio_actions (action_group,
375                                             msg_view_zoom_action_entries,
376                                             G_N_ELEMENTS (msg_view_zoom_action_entries),
377                                             100,
378                                             G_CALLBACK (modest_ui_actions_on_change_zoom),
379                                             obj);
380
381         gtk_ui_manager_insert_action_group (parent_priv->ui_manager, action_group, 0);
382         g_object_unref (action_group);
383
384         /* Load the UI definition */
385         gtk_ui_manager_add_ui_from_file (parent_priv->ui_manager, MODEST_UIDIR "modest-msg-view-window-ui.xml",
386                                          &error);
387         if (error) {
388                 g_printerr ("modest: could not merge modest-msg-view-window-ui.xml: %s\n", error->message);
389                 g_error_free (error);
390                 error = NULL;
391         }
392         /* ****** */
393
394         /* Add accelerators */
395         gtk_window_add_accel_group (GTK_WINDOW (obj), 
396                                     gtk_ui_manager_get_accel_group (parent_priv->ui_manager));
397         
398         priv->is_search_result = FALSE;
399         priv->is_outbox = FALSE;
400
401         priv->msg_view      = NULL;
402         priv->header_model  = NULL;
403         priv->header_folder_id  = NULL;
404         priv->clipboard_change_handler = 0;
405         priv->queue_change_handler = 0;
406         priv->account_removed_handler = 0;
407         priv->row_changed_handler = 0;
408         priv->row_deleted_handler = 0;
409         priv->row_inserted_handler = 0;
410         priv->rows_reordered_handler = 0;
411         priv->current_toolbar_mode = TOOLBAR_MODE_NORMAL;
412
413         priv->optimized_view  = FALSE;
414         priv->progress_bar_timeout = 0;
415         priv->purge_timeout = 0;
416         priv->remove_attachment_banner = NULL;
417         priv->msg_uid = NULL;
418         
419         priv->sighandlers = NULL;
420         
421         /* Init window */
422         init_window (MODEST_MSG_VIEW_WINDOW(obj));
423         
424         /* Set window icon */
425         window_icon = modest_platform_get_icon (MODEST_APP_MSG_VIEW_ICON, MODEST_ICON_SIZE_BIG); 
426         if (window_icon) {
427                 gtk_window_set_icon (GTK_WINDOW (obj), window_icon);
428                 g_object_unref (window_icon);
429         }       
430         
431         hildon_program_add_window (hildon_program_get_instance(),
432                                    HILDON_WINDOW(obj));
433
434         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
435                                             GTK_WINDOW(obj),"applications_email_viewer");
436 }
437
438
439 static gboolean
440 set_toolbar_transfer_mode (ModestMsgViewWindow *self)
441 {
442         ModestMsgViewWindowPrivate *priv = NULL;
443         
444         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
445
446         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
447
448         set_toolbar_mode (self, TOOLBAR_MODE_TRANSFER);
449         
450         if (priv->progress_bar_timeout > 0) {
451                 g_source_remove (priv->progress_bar_timeout);
452                 priv->progress_bar_timeout = 0;
453         }
454         
455         return FALSE;
456 }
457
458 static void 
459 set_toolbar_mode (ModestMsgViewWindow *self, 
460                   ModestToolBarModes mode)
461 {
462         ModestWindowPrivate *parent_priv;
463         ModestMsgViewWindowPrivate *priv;
464 /*      GtkWidget *widget = NULL; */
465
466         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
467
468         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
469         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
470                         
471         /* Sets current toolbar mode */
472         priv->current_toolbar_mode = mode;
473
474         /* Update toolbar dimming state */
475         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (self));
476
477         switch (mode) {
478         case TOOLBAR_MODE_NORMAL:               
479                 if (priv->progress_toolitem) {
480                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
481                         gtk_widget_hide (priv->progress_toolitem);
482                 }
483
484                 if (priv->progress_bar)
485                         gtk_widget_hide (priv->progress_bar);
486                         
487                 if (priv->cancel_toolitem)
488                         gtk_widget_hide (priv->cancel_toolitem);
489
490                 if (priv->prev_toolitem)
491                         gtk_widget_show (priv->prev_toolitem);
492                 
493                 if (priv->next_toolitem)
494                         gtk_widget_show (priv->next_toolitem);
495                         
496                 /* Hide toolbar if optimized view is enabled */
497                 if (priv->optimized_view) {
498                         gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
499                         gtk_widget_hide (GTK_WIDGET(parent_priv->toolbar));
500                 }
501
502                 break;
503         case TOOLBAR_MODE_TRANSFER:
504                 if (priv->prev_toolitem)
505                         gtk_widget_hide (priv->prev_toolitem);
506                 
507                 if (priv->next_toolitem)
508                         gtk_widget_hide (priv->next_toolitem);
509                 
510                 if (priv->progress_bar)
511                         gtk_widget_show (priv->progress_bar);
512
513                 if (priv->progress_toolitem) {
514                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
515                         gtk_widget_show (priv->progress_toolitem);
516                 }
517                         
518                 if (priv->cancel_toolitem)
519                         gtk_widget_show (priv->cancel_toolitem);
520
521                 /* Show toolbar if it's hiden (optimized view ) */
522                 if (priv->optimized_view) {
523                         gtk_widget_set_no_show_all (parent_priv->toolbar, FALSE);
524                         gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
525                 }
526
527                 break;
528         default:
529                 g_return_if_reached ();
530         }
531
532 }
533
534
535 static void
536 init_window (ModestMsgViewWindow *obj)
537 {
538         GtkWidget *main_vbox;
539         ModestMsgViewWindowPrivate *priv;
540
541         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
542
543         priv->msg_view = GTK_WIDGET (tny_platform_factory_new_msg_view (modest_tny_platform_factory_get_instance ()));
544         modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
545         main_vbox = gtk_vbox_new  (FALSE, 6);
546
547 #ifdef MODEST_USE_MOZEMBED
548         priv->main_scroll = priv->msg_view;
549         gtk_widget_set_size_request (priv->msg_view, -1, 1600);
550 #else
551         priv->main_scroll = gtk_scrolled_window_new (NULL, NULL);
552         gtk_container_add (GTK_CONTAINER (priv->main_scroll), priv->msg_view);
553 #endif
554         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
555         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_SHADOW_NONE);
556         modest_maemo_set_thumbable_scrollbar (GTK_SCROLLED_WINDOW(priv->main_scroll), TRUE);
557
558         gtk_box_pack_start (GTK_BOX(main_vbox), priv->main_scroll, TRUE, TRUE, 0);
559         gtk_container_add   (GTK_CONTAINER(obj), main_vbox);
560
561         priv->find_toolbar = hildon_find_toolbar_new (NULL);
562         hildon_window_add_toolbar (HILDON_WINDOW (obj), GTK_TOOLBAR (priv->find_toolbar));
563         gtk_widget_set_no_show_all (priv->find_toolbar, TRUE);
564         
565         gtk_widget_show_all (GTK_WIDGET(main_vbox));
566 }
567
568 static void
569 modest_msg_view_window_disconnect_signals (ModestWindow *self)
570 {
571         ModestMsgViewWindowPrivate *priv;
572         ModestHeaderView *header_view = NULL;
573         ModestWindow *main_window = NULL;
574         
575         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
576
577         if (gtk_clipboard_get (GDK_SELECTION_PRIMARY) &&
578             g_signal_handler_is_connected (gtk_clipboard_get (GDK_SELECTION_PRIMARY),
579                                            priv->clipboard_change_handler)) 
580                 g_signal_handler_disconnect (gtk_clipboard_get (GDK_SELECTION_PRIMARY), 
581                                              priv->clipboard_change_handler);
582
583         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
584                                            priv->queue_change_handler))
585                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()), 
586                                              priv->queue_change_handler);
587
588         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_account_store ()), 
589                                            priv->account_removed_handler))
590                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_account_store ()), 
591                                              priv->account_removed_handler);
592
593         if (priv->header_model) {
594                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
595                                                   priv->row_changed_handler))
596                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
597                                                     priv->row_changed_handler);
598                 
599                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
600                                                   priv->row_deleted_handler))
601                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
602                                              priv->row_deleted_handler);
603                 
604                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
605                                                   priv->row_inserted_handler))
606                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
607                                                     priv->row_inserted_handler);
608                 
609                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
610                                                   priv->rows_reordered_handler))
611                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
612                                                     priv->rows_reordered_handler);
613         }
614
615         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
616         priv->sighandlers = NULL;
617         
618         main_window = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(),
619                                                          FALSE); /* don't create */
620         if (!main_window)
621                 return;
622         
623         header_view = MODEST_HEADER_VIEW(
624                         modest_main_window_get_child_widget(
625                                 MODEST_MAIN_WINDOW(main_window),
626                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
627         if (header_view == NULL)
628                 return;
629         
630         modest_header_view_remove_observer(header_view,
631                         MODEST_HEADER_VIEW_OBSERVER(self));
632 }       
633
634 static void
635 modest_msg_view_window_finalize (GObject *obj)
636 {
637         ModestMsgViewWindowPrivate *priv;
638
639         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
640
641         /* Sanity check: shouldn't be needed, the window mgr should
642            call this function before */
643         modest_msg_view_window_disconnect_signals (MODEST_WINDOW (obj));
644
645         if (priv->header_model != NULL) {
646                 g_object_unref (priv->header_model);
647                 priv->header_model = NULL;
648         }
649
650         if (priv->progress_bar_timeout > 0) {
651                 g_source_remove (priv->progress_bar_timeout);
652                 priv->progress_bar_timeout = 0;
653         }
654
655         if (priv->remove_attachment_banner) {
656                 gtk_widget_destroy (priv->remove_attachment_banner);
657                 g_object_unref (priv->remove_attachment_banner);
658                 priv->remove_attachment_banner = NULL;
659         }
660
661         if (priv->purge_timeout > 0) {
662                 g_source_remove (priv->purge_timeout);
663                 priv->purge_timeout = 0;
664         }
665
666         if (priv->row_reference) {
667                 gtk_tree_row_reference_free (priv->row_reference);
668                 priv->row_reference = NULL;
669         }
670
671         if (priv->next_row_reference) {
672                 gtk_tree_row_reference_free (priv->next_row_reference);
673                 priv->next_row_reference = NULL;
674         }
675
676         if (priv->msg_uid) {
677                 g_free (priv->msg_uid);
678                 priv->msg_uid = NULL;
679         }
680
681         G_OBJECT_CLASS(parent_class)->finalize (obj);
682 }
683
684 static gboolean
685 select_next_valid_row (GtkTreeModel *model,
686                        GtkTreeRowReference **row_reference,
687                        gboolean cycle)
688 {
689         GtkTreeIter tmp_iter;
690         GtkTreePath *path;
691         GtkTreePath *next = NULL;
692         gboolean retval = FALSE;
693
694         g_return_val_if_fail (gtk_tree_row_reference_valid (*row_reference), FALSE);
695
696         path = gtk_tree_row_reference_get_path (*row_reference);
697         gtk_tree_model_get_iter (model, &tmp_iter, path);
698         gtk_tree_row_reference_free (*row_reference);
699         *row_reference = NULL;
700
701         if (gtk_tree_model_iter_next (model, &tmp_iter)) {
702                 next = gtk_tree_model_get_path (model, &tmp_iter);
703                 *row_reference = gtk_tree_row_reference_new (model, next);
704                 retval = TRUE;
705         } else if (cycle && gtk_tree_model_get_iter_first (model, &tmp_iter)) {
706                 next = gtk_tree_model_get_path (model, &tmp_iter);
707
708                 /* Ensure that we are not selecting the same */
709                 if (gtk_tree_path_compare (path, next) != 0) {
710                         *row_reference = gtk_tree_row_reference_new (model, next);
711                         retval = TRUE;
712                 }
713         }
714
715         /* Free */
716         gtk_tree_path_free (path);
717         if (next)
718                 gtk_tree_path_free (next);
719
720         return retval;
721 }
722
723 /* TODO: This should be in _init(), with the parameters as properties. */
724 static void
725 modest_msg_view_window_construct (ModestMsgViewWindow *self, 
726                                   const gchar *modest_account_name,
727                                   const gchar *msg_uid)
728 {
729         GObject *obj = NULL;
730         ModestMsgViewWindowPrivate *priv = NULL;
731         ModestWindowPrivate *parent_priv = NULL;
732         ModestDimmingRulesGroup *menu_rules_group = NULL;
733         ModestDimmingRulesGroup *toolbar_rules_group = NULL;
734         ModestDimmingRulesGroup *clipboard_rules_group = NULL;
735
736         obj = G_OBJECT (self);
737         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
738         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
739
740         priv->msg_uid = g_strdup (msg_uid);
741
742         /* Menubar */
743         parent_priv->menubar = modest_maemo_utils_get_manager_menubar_as_menu (parent_priv->ui_manager, "/MenuBar");
744         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
745         gtk_widget_show (parent_priv->menubar);
746         parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
747
748         menu_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_MENU, FALSE);
749         toolbar_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_TOOLBAR, TRUE);
750         clipboard_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_CLIPBOARD, FALSE);
751
752         /* Add common dimming rules */
753         modest_dimming_rules_group_add_rules (menu_rules_group, 
754                                               modest_msg_view_menu_dimming_entries,
755                                               G_N_ELEMENTS (modest_msg_view_menu_dimming_entries),
756                                               MODEST_WINDOW (self));
757         modest_dimming_rules_group_add_rules (toolbar_rules_group, 
758                                               modest_msg_view_toolbar_dimming_entries,
759                                               G_N_ELEMENTS (modest_msg_view_toolbar_dimming_entries),
760                                               MODEST_WINDOW (self));
761         modest_dimming_rules_group_add_rules (clipboard_rules_group, 
762                                               modest_msg_view_clipboard_dimming_entries,
763                                               G_N_ELEMENTS (modest_msg_view_clipboard_dimming_entries),
764                                               MODEST_WINDOW (self));
765
766         /* Insert dimming rules group for this window */
767         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, menu_rules_group);
768         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, toolbar_rules_group);
769         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, clipboard_rules_group);
770         g_object_unref (menu_rules_group);
771         g_object_unref (toolbar_rules_group);
772         g_object_unref (clipboard_rules_group);
773
774         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
775         
776         /* g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj); */
777
778         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);
779         g_signal_connect (G_OBJECT(priv->msg_view), "activate_link",
780                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
781         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
782                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
783         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
784                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
785         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
786                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
787         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
788                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
789
790         g_signal_connect (G_OBJECT (obj), "key-release-event",
791                           G_CALLBACK (modest_msg_view_window_key_event),
792                           NULL);
793
794         g_signal_connect (G_OBJECT (obj), "key-press-event",
795                           G_CALLBACK (modest_msg_view_window_key_event),
796                           NULL);
797
798         g_signal_connect (G_OBJECT (obj), "window-state-event",
799                           G_CALLBACK (modest_msg_view_window_window_state_event),
800                           NULL);
801
802         g_signal_connect (G_OBJECT (obj), "move-focus",
803                           G_CALLBACK (on_move_focus), obj);
804
805         /* Mail Operation Queue */
806         priv->queue_change_handler = g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
807                                                        "queue-changed",
808                                                        G_CALLBACK (on_queue_changed),
809                                                        obj);
810
811         /* Account manager */
812         priv->account_removed_handler = g_signal_connect (G_OBJECT (modest_runtime_get_account_store ()),
813                                                           "account_removed",
814                                                           G_CALLBACK(on_account_removed),
815                                                           obj);
816
817         modest_window_set_active_account (MODEST_WINDOW(obj), modest_account_name);
818
819         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
820         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
821         priv->last_search = NULL;
822
823         /* Init the clipboard actions dim status */
824         modest_msg_view_grab_focus(MODEST_MSG_VIEW (priv->msg_view));
825
826         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
827
828
829 }
830
831 /* FIXME: parameter checks */
832 ModestWindow *
833 modest_msg_view_window_new_with_header_model (TnyMsg *msg, 
834                                               const gchar *modest_account_name,
835                                               const gchar *msg_uid,
836                                               GtkTreeModel *model, 
837                                               GtkTreeRowReference *row_reference)
838 {
839         ModestMsgViewWindow *window = NULL;
840         ModestMsgViewWindowPrivate *priv = NULL;
841         TnyFolder *header_folder = NULL;
842         ModestHeaderView *header_view = NULL;
843         ModestWindow *main_window = NULL;
844         ModestWindowMgr *mgr = NULL;
845
846         MODEST_DEBUG_BLOCK (
847                modest_tny_mime_part_to_string (TNY_MIME_PART (msg), 0);
848         );
849
850         mgr = modest_runtime_get_window_mgr ();
851         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
852         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
853
854         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
855
856         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
857
858         /* Remember the message list's TreeModel so we can detect changes 
859          * and change the list selection when necessary: */
860
861         main_window = modest_window_mgr_get_main_window(mgr, FALSE); /* don't create */
862         if (main_window) {
863                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget(
864                                                          MODEST_MAIN_WINDOW(main_window),
865                                                          MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
866         }
867         
868         if (header_view != NULL){
869                 header_folder = modest_header_view_get_folder(header_view);
870                 /* This could happen if the header folder was
871                    unseleted before opening this msg window (for
872                    example if the user selects an account in the
873                    folder view of the main window */
874                 if (header_folder) {
875                         priv->is_outbox = (modest_tny_folder_guess_folder_type (header_folder) == TNY_FOLDER_TYPE_OUTBOX);
876                         priv->header_folder_id = tny_folder_get_id(header_folder);
877                         g_assert(priv->header_folder_id != NULL);
878                         g_object_unref(header_folder);
879                 }
880         }
881
882         /* Setup row references and connect signals */
883         priv->header_model = g_object_ref (model);
884
885         if (row_reference) {
886                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
887                 priv->next_row_reference = gtk_tree_row_reference_copy (row_reference);
888                 select_next_valid_row (model, &(priv->next_row_reference), TRUE);
889         } else {
890                 priv->row_reference = NULL;
891                 priv->next_row_reference = NULL;
892         }
893
894         /* Connect signals */
895         priv->row_changed_handler = 
896                 g_signal_connect (GTK_TREE_MODEL(model), "row-changed",
897                                   G_CALLBACK(modest_msg_view_window_on_row_changed),
898                                   window);
899         priv->row_deleted_handler = 
900                 g_signal_connect (GTK_TREE_MODEL(model), "row-deleted",
901                                   G_CALLBACK(modest_msg_view_window_on_row_deleted),
902                                   window);
903         priv->row_inserted_handler = 
904                 g_signal_connect (GTK_TREE_MODEL(model), "row-inserted",
905                                   G_CALLBACK(modest_msg_view_window_on_row_inserted),
906                                   window);
907         priv->rows_reordered_handler = 
908                 g_signal_connect(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         gtk_widget_show_all (GTK_WIDGET (window));
954         modest_msg_view_window_update_priority (window);
955
956         /* Check dimming rules */
957         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
958         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
959         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
960
961         return MODEST_WINDOW(window);
962 }
963
964 ModestWindow *
965 modest_msg_view_window_new_for_attachment (TnyMsg *msg, 
966                             const gchar *modest_account_name,
967                             const gchar *msg_uid)
968 {
969         GObject *obj = NULL;
970         ModestMsgViewWindowPrivate *priv;       
971         ModestWindowMgr *mgr = NULL;
972
973         g_return_val_if_fail (msg, NULL);
974         mgr = modest_runtime_get_window_mgr ();
975         obj = G_OBJECT (modest_window_mgr_get_msg_view_window (mgr));
976         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
977         modest_msg_view_window_construct (MODEST_MSG_VIEW_WINDOW (obj), 
978                 modest_account_name, msg_uid);
979
980         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
981         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
982
983         gtk_widget_show_all (GTK_WIDGET (obj));
984
985         /* Check dimming rules */
986         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
987         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (obj));
988         modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), MODEST_DIMMING_RULES_CLIPBOARD);
989
990         return MODEST_WINDOW(obj);
991 }
992
993 static void
994 modest_msg_view_window_on_row_changed (GtkTreeModel *header_model,
995                                        GtkTreePath *arg1,
996                                        GtkTreeIter *arg2,
997                                        ModestMsgViewWindow *window)
998 {
999         check_dimming_rules_after_change (window);
1000 }
1001
1002 static void 
1003 modest_msg_view_window_on_row_deleted(GtkTreeModel *header_model,
1004                                       GtkTreePath *arg1,
1005                                       ModestMsgViewWindow *window)
1006 {
1007         check_dimming_rules_after_change (window);
1008 }
1009
1010 static gboolean
1011 check_dimming_rules_after_change_in_idle (gpointer data)
1012 {
1013         /* The window could have dissapeared */
1014         if (MODEST_IS_WINDOW (data)) {
1015                 ModestWindow *win = MODEST_WINDOW (data);
1016                 gdk_threads_enter ();
1017                 modest_ui_actions_check_menu_dimming_rules (win);
1018                 modest_ui_actions_check_toolbar_dimming_rules (win);
1019                 gdk_threads_leave ();
1020         }
1021
1022         return FALSE;
1023 }
1024
1025 static void
1026 check_dimming_rules_after_change (ModestMsgViewWindow *window)
1027 {
1028         static guint dimming_delayer = 0;
1029
1030         if (dimming_delayer > 0)
1031                 g_source_remove (dimming_delayer);
1032
1033         /* We're expecting a lot of changes at the same time so don't
1034            need to check dimming rules for every change that
1035            happens */
1036         dimming_delayer = g_timeout_add (100, check_dimming_rules_after_change_in_idle, window);
1037 }
1038
1039
1040 /* On insertions we check if the folder still has the message we are
1041  * showing or do not. If do not, we do nothing. Which means we are still
1042  * not attached to any header folder and thus next/prev buttons are
1043  * still dimmed. Once the message that is shown by msg-view is found, the
1044  * new model of header-view will be attached and the references will be set.
1045  * On each further insertions dimming rules will be checked. However
1046  * this requires extra CPU time at least works.
1047  * (An message might be deleted from TnyFolder and thus will not be
1048  * inserted into the model again for example if it is removed by the
1049  * imap server and the header view is refreshed.)
1050  */
1051 static void 
1052 modest_msg_view_window_on_row_inserted (GtkTreeModel *model,
1053                                         GtkTreePath *tree_path,
1054                                         GtkTreeIter *tree_iter,
1055                                         ModestMsgViewWindow *window)
1056 {
1057         ModestMsgViewWindowPrivate *priv = NULL; 
1058         TnyHeader *header = NULL;
1059
1060         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1061         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1062
1063         g_assert (model == priv->header_model);
1064         
1065         /* Check if the newly inserted message is the same we are actually
1066          * showing. IF not, we should remain detached from the header model
1067          * and thus prev and next toolbar buttons should remain dimmed. */
1068         gtk_tree_model_get (model, tree_iter, 
1069                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, 
1070                             &header, -1);
1071
1072         if (TNY_IS_HEADER (header)) {
1073                 gchar *uid = NULL;
1074
1075                 uid = modest_tny_folder_get_header_unique_id (header);
1076                 if (!g_str_equal(priv->msg_uid, uid)) {
1077                         check_dimming_rules_after_change (window);
1078                         g_free(uid);
1079                         g_object_unref (G_OBJECT(header));
1080                         return;
1081                 }
1082                 g_free(uid);
1083                 g_object_unref(G_OBJECT(header));
1084         }
1085
1086         if (priv->row_reference) {
1087                 gtk_tree_row_reference_free (priv->row_reference); 
1088         }
1089
1090         /* Setup row_reference for the actual msg. */
1091         priv->row_reference = gtk_tree_row_reference_new (priv->header_model, tree_path);
1092         if (priv->row_reference == NULL) {
1093                 g_warning("No reference for msg header item.");
1094                 return;
1095         }
1096
1097         /* Now set up next_row_reference. */
1098         if (priv->next_row_reference) {
1099                 gtk_tree_row_reference_free (priv->next_row_reference); 
1100         }
1101
1102         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1103         select_next_valid_row (priv->header_model,
1104                                &(priv->next_row_reference), FALSE);
1105
1106         /* Connect the remaining callbacks to become able to detect
1107          * changes in header-view. */
1108         priv->row_changed_handler = 
1109                 g_signal_connect (priv->header_model, "row-changed",
1110                                   G_CALLBACK (modest_msg_view_window_on_row_changed),
1111                                   window);
1112         priv->row_deleted_handler = 
1113                 g_signal_connect (priv->header_model, "row-deleted",
1114                                   G_CALLBACK (modest_msg_view_window_on_row_deleted),
1115                                   window);
1116         priv->rows_reordered_handler = 
1117                 g_signal_connect (priv->header_model, "rows-reordered",
1118                                   G_CALLBACK (modest_msg_view_window_on_row_reordered),
1119                                   window);
1120
1121         check_dimming_rules_after_change (window);      
1122 }
1123
1124 static void 
1125 modest_msg_view_window_on_row_reordered (GtkTreeModel *header_model,
1126                                          GtkTreePath *arg1,
1127                                          GtkTreeIter *arg2,
1128                                          gpointer arg3,
1129                                          ModestMsgViewWindow *window)
1130 {
1131         ModestMsgViewWindowPrivate *priv = NULL; 
1132         gboolean already_changed = FALSE;
1133
1134         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
1135
1136         /* If the current row was reordered select the proper next
1137            valid row. The same if the next row reference changes */
1138         if (priv->row_reference && 
1139             gtk_tree_row_reference_valid (priv->row_reference)) {
1140                 GtkTreePath *path;
1141                 path = gtk_tree_row_reference_get_path (priv->row_reference);
1142                 if (gtk_tree_path_compare (path, arg1) == 0) {
1143                         if (priv->next_row_reference) {
1144                                 gtk_tree_row_reference_free (priv->next_row_reference);
1145                         }
1146                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1147                         select_next_valid_row (header_model, &(priv->next_row_reference), FALSE);
1148                         already_changed = TRUE;
1149                 }
1150                 gtk_tree_path_free (path);
1151         }
1152         if (!already_changed &&
1153             priv->next_row_reference &&
1154             gtk_tree_row_reference_valid (priv->next_row_reference)) {
1155                 GtkTreePath *path;
1156                 path = gtk_tree_row_reference_get_path (priv->next_row_reference);
1157                 if (gtk_tree_path_compare (path, arg1) == 0) {
1158                         if (priv->next_row_reference) {
1159                                 gtk_tree_row_reference_free (priv->next_row_reference);
1160                         }
1161                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1162                         select_next_valid_row (header_model, &(priv->next_row_reference), FALSE);
1163                 }
1164                 gtk_tree_path_free (path);
1165         }
1166         check_dimming_rules_after_change (window);
1167 }
1168
1169 /* The modest_msg_view_window_update_model_replaced implements update
1170  * function for ModestHeaderViewObserver. Checks whether the TnyFolder
1171  * actually belongs to the header-view is the same as the TnyFolder of
1172  * the message of msg-view or not. If they are different, there is
1173  * nothing to do. If they are the same, then the model has replaced and
1174  * the reference in msg-view shall be replaced from the old model to
1175  * the new model. In this case the view will be detached from it's
1176  * header folder. From this point the next/prev buttons are dimmed.
1177  */
1178 static void 
1179 modest_msg_view_window_update_model_replaced (ModestHeaderViewObserver *observer,
1180                                               GtkTreeModel *model,
1181                                               const gchar *tny_folder_id)
1182 {
1183         ModestMsgViewWindowPrivate *priv = NULL; 
1184         ModestMsgViewWindow *window = NULL;
1185
1186         g_assert(MODEST_IS_HEADER_VIEW_OBSERVER(observer));
1187         g_assert(MODEST_IS_MSG_VIEW_WINDOW(observer));
1188
1189         window = MODEST_MSG_VIEW_WINDOW(observer);
1190         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
1191
1192         /* If there is an other folder in the header-view then we do
1193          * not care about it's model (msg list). Else if the
1194          * header-view shows the folder the msg shown by us is in, we
1195          * shall replace our model reference and make some check. */
1196         if(model == NULL || tny_folder_id == NULL || 
1197            (priv->header_folder_id && !g_str_equal(tny_folder_id, priv->header_folder_id)))
1198                 return;
1199
1200         /* Model is changed(replaced), so we should forget the old
1201          * one. Because there might be other references and there
1202          * might be some change on the model even if we unreferenced
1203          * it, we need to disconnect our signals here. */
1204         if (priv->header_model) {
1205                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1206                                                   priv->row_changed_handler))
1207                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1208                                                     priv->row_changed_handler);
1209                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1210                                                   priv->row_deleted_handler))
1211                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1212                                                     priv->row_deleted_handler);
1213                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1214                                                   priv->row_inserted_handler))
1215                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1216                                                     priv->row_inserted_handler);
1217                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model), 
1218                                                   priv->rows_reordered_handler))
1219                         g_signal_handler_disconnect(G_OBJECT (priv->header_model), 
1220                                                     priv->rows_reordered_handler);
1221
1222                 /* Frees */
1223                 if (priv->row_reference)
1224                         gtk_tree_row_reference_free (priv->row_reference);
1225                 if (priv->next_row_reference)
1226                         gtk_tree_row_reference_free (priv->next_row_reference);
1227                 g_object_unref(priv->header_model);
1228
1229                 /* Initialize */
1230                 priv->row_changed_handler = 0;
1231                 priv->row_deleted_handler = 0;
1232                 priv->row_inserted_handler = 0;
1233                 priv->rows_reordered_handler = 0;
1234                 priv->next_row_reference = NULL;
1235                 priv->row_reference = NULL;
1236                 priv->header_model = NULL;
1237         }
1238
1239         priv->header_model = g_object_ref (model);
1240
1241         /* Also we must connect to the new model for row insertions.
1242          * Only for insertions now. We will need other ones only after
1243          * the msg is show by msg-view is added to the new model. */
1244         priv->row_inserted_handler =
1245                 g_signal_connect (priv->header_model, "row-inserted",
1246                                   G_CALLBACK(modest_msg_view_window_on_row_inserted),
1247                                   window);
1248
1249         modest_ui_actions_check_menu_dimming_rules(MODEST_WINDOW(window));
1250         modest_ui_actions_check_toolbar_dimming_rules(MODEST_WINDOW(window));
1251 }
1252
1253 gboolean 
1254 modest_msg_view_window_toolbar_on_transfer_mode     (ModestMsgViewWindow *self)
1255 {
1256         ModestMsgViewWindowPrivate *priv= NULL; 
1257
1258         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
1259         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1260
1261         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
1262 }
1263
1264 TnyHeader*
1265 modest_msg_view_window_get_header (ModestMsgViewWindow *self)
1266 {
1267         ModestMsgViewWindowPrivate *priv= NULL; 
1268         TnyMsg *msg = NULL;
1269         TnyHeader *header = NULL;
1270         GtkTreePath *path = NULL;
1271         GtkTreeIter iter;
1272
1273         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), NULL);
1274         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1275
1276         /* If the message was not obtained from a treemodel,
1277          * for instance if it was opened directly by the search UI:
1278          */
1279         if (priv->header_model == NULL || 
1280             priv->row_reference == NULL ||
1281             !gtk_tree_row_reference_valid (priv->row_reference)) {
1282                 msg = modest_msg_view_window_get_message (self);
1283                 if (msg) {
1284                         header = tny_msg_get_header (msg);
1285                         g_object_unref (msg);
1286                 }
1287                 return header;
1288         }
1289
1290         /* Get iter of the currently selected message in the header view: */
1291         path = gtk_tree_row_reference_get_path (priv->row_reference);
1292         g_return_val_if_fail (path != NULL, NULL);
1293         gtk_tree_model_get_iter (priv->header_model, 
1294                                  &iter, 
1295                                  path);
1296
1297         /* Get current message header */
1298         gtk_tree_model_get (priv->header_model, &iter, 
1299                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, 
1300                             &header, -1);
1301
1302         gtk_tree_path_free (path);
1303         return header;
1304 }
1305
1306 TnyMsg*
1307 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
1308 {
1309         ModestMsgViewWindowPrivate *priv;
1310         
1311         g_return_val_if_fail (self, NULL);
1312         
1313         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
1314         
1315         return tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1316 }
1317
1318 const gchar*
1319 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
1320 {
1321         ModestMsgViewWindowPrivate *priv;
1322
1323         g_return_val_if_fail (self, NULL);
1324         
1325         priv  = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1326
1327         return (const gchar*) priv->msg_uid;
1328 }
1329
1330 static void 
1331 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
1332                                             gpointer data)
1333 {
1334         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
1335         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1336         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1337         gboolean is_active;
1338         GtkAction *action;
1339
1340         is_active = gtk_toggle_action_get_active (toggle);
1341
1342         if (is_active) {
1343                 gtk_widget_show (priv->find_toolbar);
1344                 hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1345         } else {
1346                 gtk_widget_hide (priv->find_toolbar);
1347         }
1348
1349         /* update the toggle buttons status */
1350         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1351         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1352         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ToolsMenu/ToolsFindInMessageMenu");
1353         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1354         
1355 }
1356
1357 static void
1358 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
1359                                            ModestMsgViewWindow *obj)
1360 {
1361         GtkToggleAction *toggle;
1362         ModestWindowPrivate *parent_priv;
1363         ModestMsgViewWindowPrivate *priv;
1364
1365         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
1366         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
1367         
1368         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
1369         gtk_toggle_action_set_active (toggle, FALSE);
1370         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1371 }
1372
1373 static void
1374 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
1375                                            ModestMsgViewWindow *obj)
1376 {
1377         gchar *current_search;
1378         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
1379
1380         if (modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->msg_view))) {
1381                 hildon_banner_show_information (NULL, NULL, _("mail_ib_nothing_to_find"));
1382                 return;
1383         }
1384
1385         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
1386
1387         if ((current_search == NULL) || (strcmp (current_search, "") == 0)) {
1388                 g_free (current_search);
1389                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ecdg_ib_find_rep_enter_text"));
1390                 return;
1391         }
1392
1393         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
1394                 gboolean result;
1395                 g_free (priv->last_search);
1396                 priv->last_search = g_strdup (current_search);
1397                 result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->msg_view),
1398                                                      priv->last_search);
1399                 if (!result) {
1400                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_no_matches"));
1401                         g_free (priv->last_search);
1402                         priv->last_search = NULL;
1403                 } else {
1404                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1405                         hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1406                 }
1407         } else {
1408                 if (!modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->msg_view))) {
1409                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_search_complete"));
1410                         g_free (priv->last_search);
1411                         priv->last_search = NULL;
1412                 } else {
1413                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1414                         hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1415                 }
1416         }
1417         
1418         g_free (current_search);
1419                 
1420 }
1421
1422 static void
1423 modest_msg_view_window_set_zoom (ModestWindow *window,
1424                                  gdouble zoom)
1425 {
1426         ModestMsgViewWindowPrivate *priv;
1427         ModestWindowPrivate *parent_priv;
1428         GtkAction *action = NULL;
1429         gint int_zoom = (gint) rint (zoom*100.0+0.1);
1430      
1431         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1432
1433         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1434         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1435         modest_zoomable_set_zoom (MODEST_ZOOMABLE (priv->msg_view), zoom);
1436
1437         action = gtk_ui_manager_get_action (parent_priv->ui_manager, 
1438                                             "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu");
1439
1440         gtk_radio_action_set_current_value (GTK_RADIO_ACTION (action), int_zoom);
1441 }
1442
1443 static gdouble
1444 modest_msg_view_window_get_zoom (ModestWindow *window)
1445 {
1446         ModestMsgViewWindowPrivate *priv;
1447      
1448         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
1449
1450         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1451         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->msg_view));
1452 }
1453
1454 static gboolean
1455 modest_msg_view_window_zoom_plus (ModestWindow *window)
1456 {
1457         ModestWindowPrivate *parent_priv;
1458         GtkRadioAction *zoom_radio_action;
1459         GSList *group, *node;
1460
1461         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1462         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, 
1463                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1464
1465         group = gtk_radio_action_get_group (zoom_radio_action);
1466
1467         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
1468                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_max_zoom_level_reached"));
1469                 return FALSE;
1470         }
1471
1472         for (node = group; node != NULL; node = g_slist_next (node)) {
1473                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
1474                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
1475                         return TRUE;
1476                 }
1477         }
1478         return FALSE;
1479 }
1480
1481 static gboolean
1482 modest_msg_view_window_zoom_minus (ModestWindow *window)
1483 {
1484         ModestWindowPrivate *parent_priv;
1485         GtkRadioAction *zoom_radio_action;
1486         GSList *group, *node;
1487
1488         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1489         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, 
1490                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1491
1492         group = gtk_radio_action_get_group (zoom_radio_action);
1493
1494         for (node = group; node != NULL; node = g_slist_next (node)) {
1495                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
1496                         if (node->next != NULL) {
1497                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
1498                                 return TRUE;
1499                         } else {
1500                           hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_min_zoom_level_reached"));
1501                                 return FALSE;
1502                         }
1503                         break;
1504                 }
1505         }
1506         return FALSE;
1507 }
1508
1509 static gboolean
1510 modest_msg_view_window_key_event (GtkWidget *window,
1511                                   GdkEventKey *event,
1512                                   gpointer userdata)
1513 {
1514         GtkWidget *focus;
1515
1516         focus = gtk_window_get_focus (GTK_WINDOW (window));
1517
1518         /* for the find toolbar case */
1519         if (focus && GTK_IS_ENTRY (focus)) {
1520                 if (event->keyval == GDK_BackSpace) {
1521                         GdkEvent *copy;
1522                         copy = gdk_event_copy ((GdkEvent *) event);
1523                         gtk_widget_event (focus, copy);
1524                         gdk_event_free (copy);
1525                         return TRUE;
1526                 } else 
1527                         return FALSE;
1528         }
1529         if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1530             event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
1531             event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
1532             event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down ||
1533             event->keyval == GDK_Home || event->keyval == GDK_KP_Home ||
1534             event->keyval == GDK_End || event->keyval == GDK_KP_End) {
1535                 ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1536                 gboolean return_value;
1537
1538                 if (event->type == GDK_KEY_RELEASE) {
1539                         GtkScrollType scroll_type;
1540                         
1541                         switch (event->keyval) {
1542                         case GDK_Up: 
1543                         case GDK_KP_Up:
1544                                 scroll_type = GTK_SCROLL_STEP_UP; break;
1545                         case GDK_Down: 
1546                         case GDK_KP_Down:
1547                                 scroll_type = GTK_SCROLL_STEP_DOWN; break;
1548                         case GDK_Page_Up:
1549                         case GDK_KP_Page_Up:
1550                                 scroll_type = GTK_SCROLL_PAGE_UP; break;
1551                         case GDK_Page_Down:
1552                         case GDK_KP_Page_Down:
1553                                 scroll_type = GTK_SCROLL_PAGE_DOWN; break;
1554                         case GDK_Home:
1555                         case GDK_KP_Home:
1556                                 scroll_type = GTK_SCROLL_START; break;
1557                         case GDK_End:
1558                         case GDK_KP_End:
1559                                 scroll_type = GTK_SCROLL_END; break;
1560                         default: scroll_type = GTK_SCROLL_NONE;
1561                         }
1562                         
1563                         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", 
1564                                                scroll_type, FALSE, &return_value);
1565                         return TRUE;
1566                 } else {
1567                         return FALSE;
1568                 }
1569         } else {
1570                 return FALSE;
1571         }
1572 }
1573
1574 gboolean
1575 modest_msg_view_window_last_message_selected (ModestMsgViewWindow *window)
1576 {
1577         GtkTreePath *path;
1578         ModestMsgViewWindowPrivate *priv;
1579         GtkTreeIter tmp_iter;
1580         gboolean is_last_selected;
1581
1582         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1583         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1584
1585         /*if no model (so no rows at all), then virtually we are the last*/
1586         if (!priv->header_model || !priv->row_reference)
1587                 return TRUE;
1588
1589         path = gtk_tree_row_reference_get_path (priv->row_reference);
1590         if (path == NULL)
1591                 return TRUE;
1592
1593         is_last_selected = TRUE;
1594         while (is_last_selected) {
1595                 TnyHeader *header;
1596                 gtk_tree_path_next (path);
1597                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1598                         break;
1599                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1600                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1601                                 &header, -1);
1602                 if (header) {
1603                         if (msg_is_visible (header, priv->is_outbox))
1604                                 is_last_selected = FALSE;
1605                         g_object_unref(G_OBJECT(header));
1606                 }
1607         }
1608         gtk_tree_path_free (path);
1609         return is_last_selected;
1610 }
1611
1612 gboolean
1613 modest_msg_view_window_has_headers_model (ModestMsgViewWindow *window)
1614 {
1615         ModestMsgViewWindowPrivate *priv;
1616
1617         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1618         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1619
1620         return priv->header_model != NULL;
1621 }
1622
1623 gboolean
1624 modest_msg_view_window_is_search_result (ModestMsgViewWindow *window)
1625 {
1626         ModestMsgViewWindowPrivate *priv;
1627
1628         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1629         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1630
1631         return priv->is_search_result;
1632 }
1633
1634 static gboolean
1635 msg_is_visible (TnyHeader *header, gboolean check_outbox)
1636 {
1637         return (!(tny_header_get_flags(header) & TNY_HEADER_FLAG_DELETED)) &&
1638                 ( (!check_outbox) || (modest_tny_all_send_queues_get_msg_status (header) != MODEST_TNY_SEND_QUEUE_FAILED)) ;
1639         
1640 }
1641
1642 gboolean
1643 modest_msg_view_window_first_message_selected (ModestMsgViewWindow *window)
1644 {
1645         GtkTreePath *path;
1646         ModestMsgViewWindowPrivate *priv;
1647         gboolean is_first_selected;
1648         GtkTreeIter tmp_iter;
1649 /*      gchar * path_string;*/
1650
1651         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1652         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1653
1654         /*if no model (so no rows at all), then virtually we are the first*/
1655         if (!priv->header_model || !priv->row_reference)
1656                 return TRUE;
1657
1658         path = gtk_tree_row_reference_get_path (priv->row_reference);
1659         if (!path)
1660                 return TRUE;
1661
1662 /*      path_string = gtk_tree_path_to_string (path);
1663         is_first_selected = strcmp (path_string, "0");
1664
1665         g_free (path_string);
1666         gtk_tree_path_free (path);
1667
1668         return is_first_selected;*/
1669
1670         is_first_selected = TRUE;
1671         while (is_first_selected) {
1672                 TnyHeader *header;
1673                 if(!gtk_tree_path_prev (path))
1674                         break;
1675                 /* Here the 'if' is needless for logic, but let make sure
1676                  * iter is valid for gtk_tree_model_get. */
1677                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1678                         break;
1679                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1680                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1681                                 &header, -1);
1682                 if (header) {
1683                         if (msg_is_visible (header, priv->is_outbox))
1684                                 is_first_selected = FALSE;
1685                         g_object_unref(G_OBJECT(header));
1686                 }
1687         }
1688         gtk_tree_path_free (path);
1689         return is_first_selected;
1690 }
1691
1692 typedef struct {
1693         TnyHeader *header;
1694         GtkTreeRowReference *row_reference;
1695 } MsgReaderInfo;
1696
1697 static void
1698 message_reader_performer (gboolean canceled, 
1699                           GError *err,
1700                           GtkWindow *parent_window, 
1701                           TnyAccount *account, 
1702                           gpointer user_data)
1703 {
1704         ModestMailOperation *mail_op = NULL;
1705         MsgReaderInfo *info;
1706
1707         info = (MsgReaderInfo *) user_data;
1708         if (canceled || err) {
1709                 goto frees;
1710         }
1711
1712         /* Register the header - it'll be unregistered in the callback */
1713         modest_window_mgr_register_header (modest_runtime_get_window_mgr (), info->header, NULL);
1714
1715         /* New mail operation */
1716         mail_op = modest_mail_operation_new_with_error_handling (G_OBJECT(parent_window),
1717                                                                  modest_ui_actions_disk_operations_error_handler, 
1718                                                                  NULL, NULL);
1719                                 
1720         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
1721         modest_mail_operation_get_msg (mail_op, info->header, TRUE, view_msg_cb, info->row_reference);
1722         g_object_unref (mail_op);
1723
1724         /* Update dimming rules */
1725         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (parent_window));
1726         modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (parent_window));
1727
1728  frees:
1729         /* Frees. The row_reference will be freed by the view_msg_cb callback */
1730         g_object_unref (info->header);
1731         g_slice_free (MsgReaderInfo, info);
1732 }
1733
1734
1735 /**
1736  * Reads the message whose summary item is @header. It takes care of
1737  * several things, among others:
1738  *
1739  * If the message was not previously downloaded then ask the user
1740  * before downloading. If there is no connection launch the connection
1741  * dialog. Update toolbar dimming rules.
1742  *
1743  * Returns: TRUE if the mail operation was started, otherwise if the
1744  * user do not want to download the message, or if the user do not
1745  * want to connect, then the operation is not issued
1746  **/
1747 static gboolean
1748 message_reader (ModestMsgViewWindow *window,
1749                 ModestMsgViewWindowPrivate *priv,
1750                 TnyHeader *header,
1751                 GtkTreeRowReference *row_reference)
1752 {
1753         gboolean already_showing = FALSE;
1754         ModestWindow *msg_window = NULL;
1755         ModestWindowMgr *mgr;
1756         TnyAccount *account;
1757         TnyFolder *folder;
1758         MsgReaderInfo *info;
1759
1760         g_return_val_if_fail (row_reference != NULL, FALSE);
1761
1762         mgr = modest_runtime_get_window_mgr ();
1763         already_showing = modest_window_mgr_find_registered_header (mgr, header, &msg_window);
1764         if (already_showing && (msg_window != MODEST_WINDOW (window))) {
1765                 gboolean retval;
1766                 if (msg_window)
1767                         gtk_window_present (GTK_WINDOW (msg_window));
1768                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &retval);
1769                 return TRUE;
1770         }
1771
1772         /* Msg download completed */
1773         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)) {
1774                 /* Ask the user if he wants to download the message if
1775                    we're not online */
1776                 if (!tny_device_is_online (modest_runtime_get_device())) {
1777                         GtkResponseType response;
1778
1779                         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
1780                                                                             _("mcen_nc_get_msg"));
1781                         if (response == GTK_RESPONSE_CANCEL)
1782                                 return FALSE;
1783                 
1784                         folder = tny_header_get_folder (header);
1785                         info = g_slice_new (MsgReaderInfo);
1786                         info->header = g_object_ref (header);
1787                         info->row_reference = gtk_tree_row_reference_copy (row_reference);
1788
1789                         /* Offer the connection dialog if necessary */
1790                         modest_platform_connect_if_remote_and_perform ((GtkWindow *) window, 
1791                                                                        TRUE,
1792                                                                        TNY_FOLDER_STORE (folder),
1793                                                                        message_reader_performer, 
1794                                                                        info);
1795                         g_object_unref (folder);
1796                         return TRUE;
1797                 }
1798         }
1799         
1800         folder = tny_header_get_folder (header);
1801         account = tny_folder_get_account (folder);
1802         info = g_slice_new (MsgReaderInfo);
1803         info->header = g_object_ref (header);
1804         info->row_reference = gtk_tree_row_reference_copy (row_reference);
1805         
1806         message_reader_performer (FALSE, NULL, (GtkWindow *) window, account, info);
1807         g_object_unref (account);
1808         g_object_unref (folder);
1809
1810         return TRUE;
1811 }
1812
1813 gboolean        
1814 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
1815 {
1816         ModestMsgViewWindowPrivate *priv;
1817         GtkTreePath *path= NULL;
1818         GtkTreeIter tmp_iter;
1819         TnyHeader *header;
1820         gboolean retval = TRUE;
1821         GtkTreeRowReference *row_reference = NULL;
1822
1823         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1824         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1825
1826         if (!priv->row_reference)
1827                 return FALSE;
1828
1829         /* Update the next row reference if it's not valid. This could
1830            happen if for example the header which it was pointing to,
1831            was deleted. The best place to do it is in the row-deleted
1832            handler but the tinymail model do not work like the glib
1833            tree models and reports the deletion when the row is still
1834            there */
1835         if (!gtk_tree_row_reference_valid (priv->next_row_reference)) {
1836                 if (gtk_tree_row_reference_valid (priv->row_reference)) {
1837                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1838                         select_next_valid_row (priv->header_model, &(priv->next_row_reference), FALSE);
1839                 }
1840         }
1841         if (priv->next_row_reference)
1842                 path = gtk_tree_row_reference_get_path (priv->next_row_reference);
1843         if (path == NULL)
1844                 return FALSE;
1845
1846         row_reference = gtk_tree_row_reference_copy (priv->next_row_reference);
1847
1848         gtk_tree_model_get_iter (priv->header_model,
1849                                  &tmp_iter,
1850                                  path);
1851         gtk_tree_path_free (path);
1852
1853         gtk_tree_model_get (priv->header_model, &tmp_iter, 
1854                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1855                             &header, -1);
1856         
1857         /* Read the message & show it */
1858         if (!message_reader (window, priv, header, row_reference)) {
1859                 retval = FALSE;
1860         }
1861         gtk_tree_row_reference_free (row_reference);
1862
1863         /* Free */
1864         g_object_unref (header);
1865
1866         return retval;
1867 }
1868
1869 gboolean        
1870 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
1871 {
1872         ModestMsgViewWindowPrivate *priv = NULL;
1873         GtkTreePath *path;
1874         gboolean finished = FALSE;
1875         gboolean retval = FALSE;
1876
1877         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1878         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1879
1880         /* Return inmediatly if there is no header model */
1881         if (!priv->header_model || !priv->row_reference)
1882                 return FALSE;
1883
1884         path = gtk_tree_row_reference_get_path (priv->row_reference);
1885         while (!finished && gtk_tree_path_prev (path)) {
1886                 TnyHeader *header;
1887                 GtkTreeIter iter;
1888
1889                 gtk_tree_model_get_iter (priv->header_model, &iter, path);
1890                 gtk_tree_model_get (priv->header_model, &iter, 
1891                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1892                                     &header, -1);
1893                 finished = TRUE;
1894                 if (header) {
1895                         if (msg_is_visible (header, priv->is_outbox)) {
1896                                 GtkTreeRowReference *row_reference;
1897                                 row_reference = gtk_tree_row_reference_new (priv->header_model, path);
1898                                 /* Read the message & show it */
1899                                 retval = message_reader (window, priv, header, row_reference);
1900                                 gtk_tree_row_reference_free (row_reference);
1901                         } else {
1902                                 finished = FALSE;
1903                         }
1904                         g_object_unref (header);
1905                 }
1906         }
1907
1908         gtk_tree_path_free (path);
1909         return retval;
1910 }
1911
1912 static void
1913 view_msg_cb (ModestMailOperation *mail_op, 
1914              TnyHeader *header, 
1915              gboolean canceled,
1916              TnyMsg *msg, 
1917              GError *error,
1918              gpointer user_data)
1919 {
1920         ModestMsgViewWindow *self = NULL;
1921         ModestMsgViewWindowPrivate *priv = NULL;
1922         GtkTreeRowReference *row_reference = NULL;
1923
1924         /* Unregister the header (it was registered before creating the mail operation) */
1925         modest_window_mgr_unregister_header (modest_runtime_get_window_mgr (), header);
1926
1927         row_reference = (GtkTreeRowReference *) user_data;
1928         if (canceled) {
1929                 gtk_tree_row_reference_free (row_reference);
1930                 return;
1931         }
1932         
1933         /* If there was any error */
1934         if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg)) {
1935                 gtk_tree_row_reference_free (row_reference);                    
1936                 return;
1937         }
1938
1939         /* Get the window */ 
1940         self = (ModestMsgViewWindow *) modest_mail_operation_get_source (mail_op);
1941         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
1942         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1943
1944         /* Update the row reference */
1945         if (priv->row_reference != NULL) {
1946                 gtk_tree_row_reference_free (priv->row_reference);
1947                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
1948                 if (priv->next_row_reference != NULL) {
1949                         gtk_tree_row_reference_free (priv->next_row_reference);
1950                 }
1951                 priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1952                 select_next_valid_row (priv->header_model, &(priv->next_row_reference), TRUE);
1953         }
1954
1955         /* Mark header as read */
1956         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1957                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1958
1959         /* Set new message */
1960         if (priv->msg_view != NULL && TNY_IS_MSG_VIEW (priv->msg_view)) {
1961                 tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
1962                 modest_msg_view_window_update_priority (self);
1963                 update_window_title (MODEST_MSG_VIEW_WINDOW (self));
1964                 modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1965         }
1966
1967         /* Set the new message uid of the window  */
1968         if (priv->msg_uid) {
1969                 g_free (priv->msg_uid);
1970                 priv->msg_uid = modest_tny_folder_get_header_unique_id (header);
1971         }
1972
1973         /* Notify the observers */
1974         g_signal_emit (G_OBJECT (self), signals[MSG_CHANGED_SIGNAL], 
1975                        0, priv->header_model, priv->row_reference);
1976
1977         /* Frees */
1978         g_object_unref (self);
1979         gtk_tree_row_reference_free (row_reference);            
1980 }
1981
1982 TnyFolderType
1983 modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window)
1984 {
1985         ModestMsgViewWindowPrivate *priv;
1986         TnyMsg *msg;
1987         TnyFolderType folder_type;
1988
1989         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1990
1991         folder_type = TNY_FOLDER_TYPE_UNKNOWN;
1992
1993         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1994         if (msg) {
1995                 TnyFolder *folder;
1996
1997                 folder = tny_msg_get_folder (msg);
1998                 if (folder) {
1999                         folder_type = modest_tny_folder_guess_folder_type (folder);
2000                         g_object_unref (folder);
2001                 }
2002                 g_object_unref (msg);
2003         }
2004
2005         return folder_type;
2006 }
2007
2008
2009 static void
2010 modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
2011 {
2012         ModestMsgViewWindowPrivate *priv;
2013         TnyHeader *header = NULL;
2014         TnyHeaderFlags flags = 0;
2015
2016         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2017
2018         if (priv->header_model && priv->row_reference) {
2019                 GtkTreeIter iter;
2020                 GtkTreePath *path = NULL;
2021
2022                 path = gtk_tree_row_reference_get_path (priv->row_reference);
2023                 g_return_if_fail (path != NULL);
2024                 gtk_tree_model_get_iter (priv->header_model, 
2025                                          &iter, 
2026                                          gtk_tree_row_reference_get_path (priv->row_reference));
2027
2028                 gtk_tree_model_get (priv->header_model, &iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
2029                                     &header, -1);
2030                 gtk_tree_path_free (path);
2031         } else {
2032                 TnyMsg *msg;
2033                 msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
2034                 if (msg) {
2035                         header = tny_msg_get_header (msg);
2036                         g_object_unref (msg);
2037                 }
2038         }
2039
2040         if (header) {
2041                 flags = tny_header_get_flags (header);
2042                 g_object_unref(G_OBJECT(header));
2043         }
2044
2045         modest_msg_view_set_priority (MODEST_MSG_VIEW(priv->msg_view), flags);
2046
2047 }
2048
2049 static void
2050 toolbar_resize (ModestMsgViewWindow *self)
2051 {
2052         ModestMsgViewWindowPrivate *priv = NULL;
2053         ModestWindowPrivate *parent_priv = NULL;
2054         GtkWidget *widget;
2055         gint static_button_size;
2056         ModestWindowMgr *mgr;
2057
2058         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
2059         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2060         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
2061
2062         mgr = modest_runtime_get_window_mgr ();
2063         static_button_size = modest_window_mgr_get_fullscreen_mode (mgr)?118:108;
2064
2065         if (parent_priv->toolbar) {
2066                 /* left size buttons */
2067                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
2068                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
2069                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
2070                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
2071                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageMoveTo");
2072                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
2073                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
2074                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
2075                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarDeleteMessage");
2076                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
2077                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
2078                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
2079                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/FindInMessage");
2080                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
2081                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
2082                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
2083                 
2084                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
2085                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
2086                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
2087                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
2088                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
2089                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
2090                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
2091                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
2092         }
2093                 
2094 }
2095
2096 static gboolean
2097 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
2098 {
2099         if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
2100                 ModestWindowPrivate *parent_priv;
2101                 ModestWindowMgr *mgr;
2102                 gboolean is_fullscreen;
2103                 GtkAction *fs_toggle_action;
2104                 gboolean active;
2105
2106                 mgr = modest_runtime_get_window_mgr ();
2107                 is_fullscreen = (modest_window_mgr_get_fullscreen_mode (mgr))?1:0;
2108
2109                 parent_priv = MODEST_WINDOW_GET_PRIVATE (widget);
2110                 
2111                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
2112                 active = (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)))?1:0;
2113                 if (is_fullscreen != active) {
2114                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
2115                 }
2116                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (widget));
2117         }
2118
2119         return FALSE;
2120
2121 }
2122
2123 static void
2124 modest_msg_view_window_show_toolbar (ModestWindow *self,
2125                                      gboolean show_toolbar)
2126 {
2127         ModestMsgViewWindowPrivate *priv = NULL;
2128         ModestWindowPrivate *parent_priv;
2129         GtkWidget *reply_button = NULL, *menu = NULL;
2130         GtkWidget *placeholder = NULL;
2131         gint insert_index;
2132         const gchar *action_name;
2133         GtkAction *action;
2134         
2135         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
2136         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2137
2138         /* Set optimized view status */
2139         priv->optimized_view = !show_toolbar;
2140
2141         if (!parent_priv->toolbar) {
2142                 parent_priv->toolbar = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2143                                                                   "/ToolBar");
2144                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2145
2146                 priv->progress_toolitem = GTK_WIDGET (gtk_tool_item_new ());
2147                 priv->cancel_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarCancel");
2148                 priv->next_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageNext");
2149                 priv->prev_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
2150                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (self));
2151
2152                 /* Add ProgressBar (Transfer toolbar) */ 
2153                 priv->progress_bar = modest_progress_bar_new ();
2154                 gtk_widget_set_no_show_all (priv->progress_bar, TRUE);
2155                 placeholder = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ProgressbarView");
2156                 insert_index = gtk_toolbar_get_item_index(GTK_TOOLBAR (parent_priv->toolbar), GTK_TOOL_ITEM(placeholder));
2157                 gtk_container_add (GTK_CONTAINER (priv->progress_toolitem), priv->progress_bar);
2158                 gtk_toolbar_insert(GTK_TOOLBAR(parent_priv->toolbar), GTK_TOOL_ITEM (priv->progress_toolitem), insert_index);
2159                 
2160                 /* Connect cancel 'clicked' signal to abort progress mode */
2161                 g_signal_connect(priv->cancel_toolitem, "clicked",
2162                                  G_CALLBACK(cancel_progressbar),
2163                                  self);
2164                 
2165                 /* Add it to the observers list */
2166                 priv->progress_widgets = g_slist_prepend(priv->progress_widgets, priv->progress_bar);
2167
2168                 /* Add to window */
2169                 hildon_window_add_toolbar (HILDON_WINDOW (self), 
2170                                            GTK_TOOLBAR (parent_priv->toolbar));
2171
2172                 /* Set reply button tap and hold menu */        
2173                 reply_button = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2174                                                           "/ToolBar/ToolbarMessageReply");
2175                 menu = gtk_ui_manager_get_widget (parent_priv->ui_manager, 
2176                                                   "/ToolbarReplyCSM");
2177                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (reply_button), menu, NULL, 0);
2178         }
2179
2180         if (show_toolbar) {
2181                 /* Quick hack: this prevents toolbar icons "dance" when progress bar show status is changed */ 
2182                 /* TODO: resize mode migth be GTK_RESIZE_QUEUE, in order to avoid unneccesary shows */
2183                 gtk_container_set_resize_mode (GTK_CONTAINER(parent_priv->toolbar), GTK_RESIZE_IMMEDIATE);
2184
2185                 gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
2186                 if (modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (self))) 
2187                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_TRANSFER);
2188                 else
2189                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_NORMAL);
2190
2191         } else {
2192                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2193                 gtk_widget_hide (GTK_WIDGET (parent_priv->toolbar));
2194         }
2195
2196         /* Update also the actions (to update the toggles in the
2197            menus), we have to do it manually because some other window
2198            of the same time could have changed it (remember that the
2199            toolbar fullscreen mode is shared by all the windows of the
2200            same type */
2201         if (modest_window_mgr_get_fullscreen_mode (modest_runtime_get_window_mgr ()))
2202                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu";
2203         else
2204                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu";
2205
2206         action = gtk_ui_manager_get_action (parent_priv->ui_manager, action_name);
2207         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action),
2208                                                             show_toolbar);
2209 }
2210
2211 static void 
2212 modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
2213                                                GdkEvent *event,
2214                                                ModestMsgViewWindow *window)
2215 {
2216         if (!GTK_WIDGET_VISIBLE (window))
2217                 return;
2218
2219         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
2220 }
2221
2222 gboolean 
2223 modest_msg_view_window_transfer_mode_enabled (ModestMsgViewWindow *self)
2224 {
2225         ModestMsgViewWindowPrivate *priv;
2226         
2227         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE); 
2228         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2229
2230         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
2231 }
2232
2233 static void
2234 cancel_progressbar (GtkToolButton *toolbutton,
2235                     ModestMsgViewWindow *self)
2236 {
2237         GSList *tmp;
2238         ModestMsgViewWindowPrivate *priv;
2239         
2240         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2241
2242         /* Get operation observers and cancel its current operation */
2243         tmp = priv->progress_widgets;
2244         while (tmp) {
2245                 modest_progress_object_cancel_current_operation (MODEST_PROGRESS_OBJECT(tmp->data));
2246                 tmp=g_slist_next(tmp);
2247         }
2248 }
2249 static gboolean
2250 observers_empty (ModestMsgViewWindow *self)
2251 {
2252         GSList *tmp = NULL;
2253         ModestMsgViewWindowPrivate *priv;
2254         gboolean is_empty = TRUE;
2255         guint pending_ops = 0;
2256  
2257         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
2258         tmp = priv->progress_widgets;
2259
2260         /* Check all observers */
2261         while (tmp && is_empty)  {
2262                 pending_ops = modest_progress_object_num_pending_operations (MODEST_PROGRESS_OBJECT(tmp->data));
2263                 is_empty = pending_ops == 0;
2264                 
2265                 tmp = g_slist_next(tmp);
2266         }
2267         
2268         return is_empty;
2269 }
2270
2271 static void
2272 on_account_removed (TnyAccountStore *account_store, 
2273                     TnyAccount *account,
2274                     gpointer user_data)
2275 {
2276         /* Do nothing if it's a transport account, because we only
2277            show the messages of a store account */
2278         if (tny_account_get_account_type(account) == TNY_ACCOUNT_TYPE_STORE) {
2279                 const gchar *parent_acc = NULL;
2280                 const gchar *our_acc = NULL;
2281
2282                 our_acc = modest_window_get_active_account (MODEST_WINDOW (user_data));
2283                 parent_acc = modest_tny_account_get_parent_modest_account_name_for_server_account (account);
2284
2285                 /* Close this window if I'm showing a message of the removed account */
2286                 if (strcmp (parent_acc, our_acc) == 0)
2287                         modest_ui_actions_on_close_window (NULL, MODEST_WINDOW (user_data));
2288         }
2289 }
2290
2291 static void 
2292 on_mail_operation_started (ModestMailOperation *mail_op,
2293                            gpointer user_data)
2294 {
2295         ModestMsgViewWindow *self;
2296         ModestMailOperationTypeOperation op_type;
2297         GSList *tmp;
2298         ModestMsgViewWindowPrivate *priv;
2299         GObject *source = NULL;
2300
2301         self = MODEST_MSG_VIEW_WINDOW (user_data);
2302         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2303         op_type = modest_mail_operation_get_type_operation (mail_op);
2304         tmp = priv->progress_widgets;
2305         source = modest_mail_operation_get_source(mail_op);
2306         if (G_OBJECT (self) == source) {
2307                 if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
2308                         set_toolbar_transfer_mode(self);
2309                         while (tmp) {
2310                                 modest_progress_object_add_operation (
2311                                                 MODEST_PROGRESS_OBJECT (tmp->data),
2312                                                 mail_op);
2313                                 tmp = g_slist_next (tmp);
2314                         }
2315                 }
2316         }
2317         g_object_unref (source);
2318 }
2319
2320 static void 
2321 on_mail_operation_finished (ModestMailOperation *mail_op,
2322                             gpointer user_data)
2323 {
2324         ModestMsgViewWindow *self;
2325         ModestMailOperationTypeOperation op_type;
2326         GSList *tmp;
2327         ModestMsgViewWindowPrivate *priv;
2328         
2329         self = MODEST_MSG_VIEW_WINDOW (user_data);
2330         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2331         op_type = modest_mail_operation_get_type_operation (mail_op);
2332         tmp = priv->progress_widgets;
2333         
2334         if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
2335                 while (tmp) {
2336                         modest_progress_object_remove_operation (MODEST_PROGRESS_OBJECT (tmp->data),
2337                                                                  mail_op);
2338                         tmp = g_slist_next (tmp);
2339                 }
2340
2341                 /* If no more operations are being observed, NORMAL mode is enabled again */
2342                 if (observers_empty (self)) {
2343                         set_toolbar_mode (self, TOOLBAR_MODE_NORMAL);
2344                 }
2345
2346                 /* Update dimming rules. We have to do this right here
2347                    and not in view_msg_cb because at that point the
2348                    transfer mode is still enabled so the dimming rule
2349                    won't let the user delete the message that has been
2350                    readed for example */
2351                 modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (self));
2352                 modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (self));
2353         }
2354 }
2355
2356 static void
2357 on_queue_changed (ModestMailOperationQueue *queue,
2358                   ModestMailOperation *mail_op,
2359                   ModestMailOperationQueueNotification type,
2360                   ModestMsgViewWindow *self)
2361 {       
2362         ModestMsgViewWindowPrivate *priv;
2363
2364         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
2365
2366         /* If this operations was created by another window, do nothing */
2367         if (!modest_mail_operation_is_mine (mail_op, G_OBJECT(self))) 
2368             return;
2369
2370         if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_ADDED) {
2371                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
2372                                                                G_OBJECT (mail_op),
2373                                                                "operation-started",
2374                                                                G_CALLBACK (on_mail_operation_started),
2375                                                                self);
2376                 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
2377                                                                G_OBJECT (mail_op),
2378                                                                "operation-finished",
2379                                                                G_CALLBACK (on_mail_operation_finished),
2380                                                                self);
2381         } else if (type == MODEST_MAIL_OPERATION_QUEUE_OPERATION_REMOVED) {
2382                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
2383                                                                   G_OBJECT (mail_op),
2384                                                                   "operation-started");
2385                 priv->sighandlers = modest_signal_mgr_disconnect (priv->sighandlers,
2386                                                                   G_OBJECT (mail_op),
2387                                                                   "operation-finished");
2388         }
2389 }
2390
2391 TnyList *
2392 modest_msg_view_window_get_attachments (ModestMsgViewWindow *win) 
2393 {
2394         ModestMsgViewWindowPrivate *priv;
2395         TnyList *selected_attachments = NULL;
2396         
2397         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), NULL);
2398         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (win);
2399
2400         selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2401         
2402         return selected_attachments;
2403 }
2404
2405 void
2406 modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart *mime_part)
2407 {
2408         ModestMsgViewWindowPrivate *priv;
2409         const gchar *msg_uid;
2410         gchar *attachment_uid = NULL;
2411         gint attachment_index = 0;
2412         TnyList *attachments;
2413
2414         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2415         g_return_if_fail (TNY_IS_MIME_PART (mime_part) || (mime_part == NULL));
2416         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2417
2418         msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (window));
2419         attachments = modest_msg_view_get_attachments (MODEST_MSG_VIEW (priv->msg_view));
2420         attachment_index = modest_list_index (attachments, (GObject *) mime_part);
2421         g_object_unref (attachments);
2422         
2423         if (msg_uid && attachment_index >= 0) {
2424                 attachment_uid = g_strdup_printf ("%s/%d", msg_uid, attachment_index);
2425         }
2426
2427         if (mime_part == NULL) {
2428                 gboolean error = FALSE;
2429                 TnyList *selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2430                 if (selected_attachments == NULL || tny_list_get_length (selected_attachments) == 0) {
2431                         error = TRUE;
2432                 } else if (tny_list_get_length (selected_attachments) > 1) {
2433                         hildon_banner_show_information (NULL, NULL, _("mcen_ib_unable_to_display_more"));
2434                         error = TRUE;
2435                 } else {
2436                         TnyIterator *iter;
2437                         iter = tny_list_create_iterator (selected_attachments);
2438                         mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2439                         g_object_unref (iter);
2440                 }
2441                 g_object_unref (selected_attachments);
2442
2443                 if (error)
2444                         return;
2445         } else {
2446                 g_object_ref (mime_part);
2447         }
2448
2449         if (tny_mime_part_is_purged (mime_part)) {
2450                 g_object_unref (mime_part);
2451                 return;
2452         }
2453
2454         if (!modest_tny_mime_part_is_msg (mime_part)) {
2455                 gchar *filepath = NULL;
2456                 const gchar *att_filename = tny_mime_part_get_filename (mime_part);
2457                 const gchar *content_type;
2458                 gboolean show_error_banner = FALSE;
2459                 GError *err;
2460                 TnyFsStream *temp_stream = NULL;
2461                 temp_stream = modest_utils_create_temp_stream (att_filename, attachment_uid,
2462                                                                &filepath);
2463                 
2464                 if (temp_stream != NULL) {
2465                         content_type = tny_mime_part_get_content_type (mime_part);
2466                         if (tny_mime_part_decode_to_stream (mime_part, TNY_STREAM (temp_stream), &err) >= 0) {
2467                                 /* make the file read-only */
2468                                 if (g_chmod(filepath, 0444) != 0)
2469                                         g_warning ("%s: failed to set file '%s' to read-only: %s",
2470                                                         __FUNCTION__, filepath, strerror(errno));
2471
2472                                 modest_platform_activate_file (filepath, content_type);
2473                         } else {
2474                                 /* error while saving attachment, maybe cerm_device_memory_full */
2475                                 show_error_banner = TRUE;
2476                                 if (err != NULL) {
2477                                         g_warning ("%s: tny_mime_part_decode_to_stream failed (%s)", __FUNCTION__, err->message);
2478                                         g_error_free (err);
2479                                 }
2480                         }
2481                         g_object_unref (temp_stream);
2482                         g_free (filepath);
2483                         /* NOTE: files in the temporary area will be automatically
2484                          * cleaned after some time if they are no longer in use */
2485                 } else {
2486                         if (filepath != NULL) {
2487                                 /* the file may already exist but it isn't writable,
2488                                  * let's try to open it anyway */
2489                                 content_type = tny_mime_part_get_content_type (mime_part);
2490                                 modest_platform_activate_file (filepath, content_type);
2491                                 g_free (filepath);
2492                         } else {
2493                                 g_warning ("%s: modest_utils_create_temp_stream failed", __FUNCTION__);
2494                                 show_error_banner = TRUE;
2495                         }
2496                 }
2497                 if (show_error_banner)
2498                         modest_platform_information_banner (NULL, NULL, _("mail_ib_file_operation_failed"));
2499         } else {
2500                 /* message attachment */
2501                 TnyHeader *header = NULL;
2502                 ModestWindowMgr *mgr;
2503                 ModestWindow *msg_win = NULL;
2504                 gboolean found;
2505                 
2506                 header = tny_msg_get_header (TNY_MSG (mime_part));
2507                 mgr = modest_runtime_get_window_mgr ();         
2508                 found = modest_window_mgr_find_registered_header (mgr, header, &msg_win);
2509
2510                 if (found) {
2511                         if (msg_win)                            /* there is already a window for this uid; top it */
2512                                 gtk_window_present (GTK_WINDOW(msg_win));
2513                         else 
2514                                 /* if it's found, but there is no msg_win, it's probably in the process of being created;
2515                                  * thus, we don't do anything */
2516                                 g_warning ("window for is already being created");
2517                 } else { 
2518                         /* it's not found, so create a new window for it */
2519                         modest_window_mgr_register_header (mgr, header, attachment_uid); /* register the uid before building the window */
2520                         gchar *account = g_strdup (modest_window_get_active_account (MODEST_WINDOW (window)));
2521                         if (!account)
2522                                 account = modest_account_mgr_get_default_account (modest_runtime_get_account_mgr ());
2523                         msg_win = modest_msg_view_window_new_for_attachment (TNY_MSG (mime_part), account, attachment_uid);
2524                         modest_window_set_zoom (MODEST_WINDOW (msg_win), 
2525                                                 modest_window_get_zoom (MODEST_WINDOW (window)));
2526                         modest_window_mgr_register_window (mgr, msg_win);
2527                         gtk_widget_show_all (GTK_WIDGET (msg_win));
2528                 }
2529         }
2530         g_object_unref (mime_part);
2531 }
2532
2533 typedef struct
2534 {
2535         gchar *filename;
2536         TnyMimePart *part;
2537 } SaveMimePartPair;
2538
2539 typedef struct
2540 {
2541         GList *pairs;
2542         GtkWidget *banner;
2543         GnomeVFSResult result;
2544 } SaveMimePartInfo;
2545
2546 static void save_mime_part_info_free (SaveMimePartInfo *info, gboolean with_struct);
2547 static gboolean idle_save_mime_part_show_result (SaveMimePartInfo *info);
2548 static gpointer save_mime_part_to_file (SaveMimePartInfo *info);
2549 static void save_mime_parts_to_file_with_checks (SaveMimePartInfo *info);
2550
2551 static void 
2552 save_mime_part_info_free (SaveMimePartInfo *info, gboolean with_struct)
2553 {
2554         
2555         GList *node;
2556         for (node = info->pairs; node != NULL; node = g_list_next (node)) {
2557                 SaveMimePartPair *pair = (SaveMimePartPair *) node->data;
2558                 g_free (pair->filename);
2559                 g_object_unref (pair->part);
2560                 g_slice_free (SaveMimePartPair, pair);
2561         }
2562         g_list_free (info->pairs);
2563         info->pairs = NULL;
2564         if (with_struct) {
2565                 gtk_widget_destroy (info->banner);
2566                 g_slice_free (SaveMimePartInfo, info);
2567         }
2568 }
2569
2570 static gboolean
2571 idle_save_mime_part_show_result (SaveMimePartInfo *info)
2572 {
2573         if (info->pairs != NULL) {
2574                 save_mime_part_to_file (info);
2575         } else {
2576                 /* This is a GDK lock because we are an idle callback and
2577                  * hildon_banner_show_information is or does Gtk+ code */
2578
2579                 gdk_threads_enter (); /* CHECKED */
2580                 save_mime_part_info_free (info, TRUE);
2581                 if (info->result == GNOME_VFS_OK) {
2582                         hildon_banner_show_information (NULL, NULL, _CS("sfil_ib_saved"));
2583                 } else if (info->result == GNOME_VFS_ERROR_NO_SPACE) {
2584                         hildon_banner_show_information (NULL, NULL, dgettext("ke-recv", 
2585                                                                              "cerm_device_memory_full"));
2586                 } else {
2587                         hildon_banner_show_information (NULL, NULL, _("mail_ib_file_operation_failed"));
2588                 }
2589                 gdk_threads_leave (); /* CHECKED */
2590         }
2591
2592         return FALSE;
2593 }
2594
2595 static gpointer
2596 save_mime_part_to_file (SaveMimePartInfo *info)
2597 {
2598         GnomeVFSHandle *handle;
2599         TnyStream *stream;
2600         SaveMimePartPair *pair = (SaveMimePartPair *) info->pairs->data;
2601
2602         info->result = gnome_vfs_create (&handle, pair->filename, GNOME_VFS_OPEN_WRITE, FALSE, 0644);
2603         if (info->result == GNOME_VFS_OK) {
2604                 stream = tny_vfs_stream_new (handle);
2605                 if (tny_mime_part_decode_to_stream (pair->part, stream, NULL) < 0) {
2606                         info->result = GNOME_VFS_ERROR_IO;
2607                 }
2608                 g_object_unref (G_OBJECT (stream));
2609                 g_object_unref (pair->part);
2610                 g_slice_free (SaveMimePartPair, pair);
2611                 info->pairs = g_list_delete_link (info->pairs, info->pairs);
2612         } else {
2613                 save_mime_part_info_free (info, FALSE);
2614         }
2615
2616         g_idle_add ((GSourceFunc) idle_save_mime_part_show_result, info);
2617         return NULL;
2618 }
2619
2620 static void
2621 save_mime_parts_to_file_with_checks (SaveMimePartInfo *info)
2622 {
2623         gboolean is_ok = TRUE;
2624         gint replaced_files = 0;
2625         const GList *files = info->pairs;
2626         const GList *iter;
2627
2628         for (iter = files; (iter != NULL) && (replaced_files < 2); iter = g_list_next(iter)) {
2629                 SaveMimePartPair *pair = iter->data;
2630                 if (modest_utils_file_exists (pair->filename)) {
2631                         replaced_files++;
2632                 }
2633         }
2634         if (replaced_files) {
2635                 GtkWidget *confirm_overwrite_dialog;
2636                 const gchar *message = (replaced_files == 1) ?
2637                         _FM("docm_nc_replace_file") : _FM("docm_nc_replace_multiple");
2638                 confirm_overwrite_dialog = hildon_note_new_confirmation (NULL, message);
2639                 if (gtk_dialog_run (GTK_DIALOG (confirm_overwrite_dialog)) != GTK_RESPONSE_OK) {
2640                         is_ok = FALSE;
2641                 }
2642                 gtk_widget_destroy (confirm_overwrite_dialog);
2643         }
2644
2645         if (!is_ok) {
2646                 save_mime_part_info_free (info, TRUE);
2647         } else {
2648                 GtkWidget *banner = hildon_banner_show_animation (NULL, NULL, 
2649                                                                   _CS("sfil_ib_saving"));
2650                 info->banner = banner;
2651                 g_thread_create ((GThreadFunc)save_mime_part_to_file, info, FALSE, NULL);
2652         }
2653
2654 }
2655
2656
2657 void
2658 modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, TnyList *mime_parts)
2659 {
2660         ModestMsgViewWindowPrivate *priv;
2661         GList *files_to_save = NULL;
2662         GtkWidget *save_dialog = NULL;
2663         gchar *folder = NULL;
2664         const gchar *filename = NULL;
2665         gchar *save_multiple_str = NULL;
2666
2667         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2668         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2669
2670         if (mime_parts == NULL) {
2671                 mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2672                 if (mime_parts == NULL || tny_list_get_length (mime_parts) == 0)
2673                         return;
2674         } else {
2675                 g_object_ref (mime_parts);
2676         }
2677
2678         /* prepare dialog */
2679         if (tny_list_get_length (mime_parts) == 1) {
2680                 TnyIterator *iter;
2681                 /* only one attachment selected */
2682                 iter = tny_list_create_iterator (mime_parts);
2683                 TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2684                 g_object_unref (iter);
2685                 if (!modest_tny_mime_part_is_msg (mime_part) && 
2686                     modest_tny_mime_part_is_attachment_for_modest (mime_part) &&
2687                     !tny_mime_part_is_purged (mime_part)) {
2688                         filename = tny_mime_part_get_filename (mime_part);
2689                 } else {
2690                         /* TODO: show any error? */
2691                         g_warning ("Tried to save a non-file attachment");
2692                         g_object_unref (mime_parts);
2693                         return;
2694                 }
2695                 g_object_unref (mime_part);
2696         } else {
2697                 save_multiple_str = g_strdup_printf (_FM("sfil_va_number_of_objects_attachments"), 
2698                                                      tny_list_get_length (mime_parts));
2699         }
2700         
2701         save_dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (window), 
2702                                                       GTK_FILE_CHOOSER_ACTION_SAVE);
2703
2704         /* set folder */
2705         folder = g_build_filename (g_get_home_dir (), DEFAULT_FOLDER, NULL);
2706         gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (save_dialog), folder);
2707         g_free (folder);
2708
2709         /* set filename */
2710         if (filename != NULL)
2711                 gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (save_dialog), 
2712                                                    filename);
2713
2714         /* if multiple, set multiple string */
2715         if (save_multiple_str) {
2716                 g_object_set (G_OBJECT (save_dialog), "save-multiple", save_multiple_str, NULL);
2717                 gtk_window_set_title (GTK_WINDOW (save_dialog), _FM("sfil_ti_save_objects_files"));
2718         }
2719                 
2720         /* show dialog */
2721         if (gtk_dialog_run (GTK_DIALOG (save_dialog)) == GTK_RESPONSE_OK) {
2722                 gchar *chooser_uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (save_dialog));
2723
2724                 if (!modest_utils_folder_writable (chooser_uri)) {
2725                         hildon_banner_show_information 
2726                                 (NULL, NULL, dgettext("hildon-fm", "sfil_ib_readonly_location"));
2727                 } else {
2728                         TnyIterator *iter;
2729
2730                         iter = tny_list_create_iterator (mime_parts);
2731                         while (!tny_iterator_is_done (iter)) {
2732                                 TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
2733
2734                                 if ((modest_tny_mime_part_is_attachment_for_modest (mime_part)) &&
2735                                     !tny_mime_part_is_purged (mime_part) &&
2736                                     (tny_mime_part_get_filename (mime_part) != NULL)) {
2737                                         SaveMimePartPair *pair;
2738                                         
2739                                         pair = g_slice_new0 (SaveMimePartPair);
2740                                         if (save_multiple_str) {
2741                                                 gchar *escaped = gnome_vfs_escape_slashes (
2742                                                         tny_mime_part_get_filename (mime_part));
2743                                                 pair->filename = g_build_filename (chooser_uri, escaped, NULL);
2744                                                 g_free (escaped);
2745                                         } else {
2746                                                 pair->filename = g_strdup (chooser_uri);
2747                                         }
2748                                         pair->part = mime_part;
2749                                         files_to_save = g_list_prepend (files_to_save, pair);
2750                                 }
2751                                 tny_iterator_next (iter);
2752                         }
2753                         g_object_unref (iter);
2754                 }
2755                 g_free (chooser_uri);
2756         }
2757
2758         gtk_widget_destroy (save_dialog);
2759
2760         g_object_unref (mime_parts);
2761
2762         if (files_to_save != NULL) {
2763                 SaveMimePartInfo *info = g_slice_new0 (SaveMimePartInfo);
2764                 info->pairs = files_to_save;
2765                 info->result = TRUE;
2766                 save_mime_parts_to_file_with_checks (info);
2767         }
2768 }
2769
2770 static gboolean
2771 show_remove_attachment_information (gpointer userdata)
2772 {
2773         ModestMsgViewWindow *window = (ModestMsgViewWindow *) userdata;
2774         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2775
2776         /* We're outside the main lock */
2777         gdk_threads_enter ();
2778
2779         if (priv->remove_attachment_banner != NULL) {
2780                 gtk_widget_destroy (priv->remove_attachment_banner);
2781                 g_object_unref (priv->remove_attachment_banner);
2782         }
2783
2784         priv->remove_attachment_banner = g_object_ref (
2785                 hildon_banner_show_animation (NULL, NULL, _("mcen_ib_removing_attachment")));
2786
2787         gdk_threads_leave ();
2788
2789         return FALSE;
2790 }
2791
2792 void
2793 modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean get_all)
2794 {
2795         ModestMsgViewWindowPrivate *priv;
2796         TnyList *mime_parts = NULL;
2797         gchar *confirmation_message;
2798         gint response;
2799         gint n_attachments;
2800         TnyMsg *msg;
2801         TnyIterator *iter;
2802 /*      TnyFolder *folder; */
2803
2804         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
2805         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2806
2807         if (get_all)
2808                 mime_parts = modest_msg_view_get_attachments (MODEST_MSG_VIEW (priv->msg_view));
2809         else
2810                 mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
2811                 
2812         /* Remove already purged messages from mime parts list */
2813         iter = tny_list_create_iterator (mime_parts);
2814         while (!tny_iterator_is_done (iter)) {
2815                 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
2816                 tny_iterator_next (iter);
2817                 if (tny_mime_part_is_purged (part)) {
2818                         tny_list_remove (mime_parts, (GObject *) part);
2819                 }
2820                 g_object_unref (part);
2821         }
2822         g_object_unref (iter);
2823
2824         if (tny_list_get_length (mime_parts) == 0) {
2825                 g_object_unref (mime_parts);
2826                 return;
2827         }
2828
2829         n_attachments = tny_list_get_length (mime_parts);
2830         if (n_attachments == 1) {
2831                 gchar *filename;
2832                 TnyMimePart *part;
2833
2834                 iter = tny_list_create_iterator (mime_parts);
2835                 part = (TnyMimePart *) tny_iterator_get_current (iter);
2836                 g_object_unref (iter);
2837                 if (modest_tny_mime_part_is_msg (part)) {
2838                         TnyHeader *header;
2839                         header = tny_msg_get_header (TNY_MSG (part));
2840                         filename = tny_header_dup_subject (header);
2841                         g_object_unref (header);
2842                         if (filename == NULL)
2843                                 filename = g_strdup (_("mail_va_no_subject"));
2844                 } else {
2845                         filename = g_strdup (tny_mime_part_get_filename (TNY_MIME_PART (part)));
2846                 }
2847                 confirmation_message = g_strdup_printf (_("mcen_nc_purge_file_text"), filename);
2848                 g_free (filename);
2849                 g_object_unref (part);
2850         } else {
2851                 confirmation_message = g_strdup_printf (ngettext("mcen_nc_purge_file_text", 
2852                                                                  "mcen_nc_purge_files_text", 
2853                                                                  n_attachments), n_attachments);
2854         }
2855         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
2856                                                             confirmation_message);
2857         g_free (confirmation_message);
2858
2859         if (response != GTK_RESPONSE_OK) {
2860                 g_object_unref (mime_parts);
2861                 return;
2862         }
2863
2864         priv->purge_timeout = g_timeout_add (2000, show_remove_attachment_information, window);
2865 /*      folder = tny_msg_get_folder (msg); */
2866 /*      tny_msg_uncache_attachments (msg); */
2867 /*      tny_folder_refresh (folder, NULL); */
2868 /*      g_object_unref (folder); */
2869         
2870         iter = tny_list_create_iterator (mime_parts);
2871         while (!tny_iterator_is_done (iter)) {
2872                 TnyMimePart *part;
2873
2874                 part = (TnyMimePart *) tny_iterator_get_current (iter);
2875                 tny_mime_part_set_purged (TNY_MIME_PART (part));
2876 /*              modest_msg_view_remove_attachment (MODEST_MSG_VIEW (priv->msg_view), node->data); */
2877                 g_object_unref (part);
2878                 tny_iterator_next (iter);
2879         }
2880         g_object_unref (iter);
2881
2882         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
2883         tny_msg_view_clear (TNY_MSG_VIEW (priv->msg_view));
2884         tny_msg_rewrite_cache (msg);
2885         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
2886         g_object_unref (msg);
2887
2888         g_object_unref (mime_parts);
2889
2890         if (priv->purge_timeout > 0) {
2891                 g_source_remove (priv->purge_timeout);
2892                 priv->purge_timeout = 0;
2893         }
2894
2895         if (priv->remove_attachment_banner) {
2896                 gtk_widget_destroy (priv->remove_attachment_banner);
2897                 g_object_unref (priv->remove_attachment_banner);
2898                 priv->remove_attachment_banner = NULL;
2899         }
2900
2901
2902 }
2903
2904
2905 static void
2906 update_window_title (ModestMsgViewWindow *window)
2907 {
2908         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
2909         TnyMsg *msg = NULL;
2910         TnyHeader *header = NULL;
2911         gchar *subject = NULL;
2912         
2913         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
2914
2915         if (msg != NULL) {
2916                 header = tny_msg_get_header (msg);
2917                 subject = tny_header_dup_subject (header);
2918                 g_object_unref (header);
2919                 g_object_unref (msg);
2920         }
2921
2922         if ((subject == NULL)||(subject[0] == '\0')) {
2923                 g_free (subject);
2924                 subject = g_strdup (_("mail_va_no_subject"));
2925         }
2926
2927         gtk_window_set_title (GTK_WINDOW (window), subject);
2928 }
2929
2930
2931 static void on_move_focus (GtkWidget *widget,
2932                            GtkDirectionType direction,
2933                            gpointer userdata)
2934 {
2935         g_signal_stop_emission_by_name (G_OBJECT (widget), "move-focus");
2936 }
2937