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