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-attachments-view.h>
  43 #include <modest-main-window-ui.h>
  44 #include "modest-msg-view-window-ui-dimming.h"
  45 #include <modest-widget-memory.h>
  46 #include <modest-runtime.h>
  47 #include <modest-window-priv.h>
  48 #include <modest-tny-folder.h>
  49 #include <modest-text-utils.h>
  50 #include <modest-account-mgr-helpers.h>
  51 #include "modest-progress-bar-widget.h"
  52 #include "modest-defs.h"
  53 #include "modest-hildon-includes.h"
  54 #include "modest-ui-dimming-manager.h"
  55 #include <gdk/gdkkeysyms.h>
  56 #include <modest-tny-account.h>
  57 #include <modest-mime-part-view.h>
  58 #include <modest-isearch-view.h>
  59 #include <math.h>
  60 #include <errno.h>
  61 #include <glib/gstdio.h>
  62
  63 #define DEFAULT_FOLDER "MyDocs/.documents"
  64
  65 static void  modest_msg_view_window_class_init   (ModestMsgViewWindowClass *klass);
  66 static void  modest_msg_view_window_init         (ModestMsgViewWindow *obj);
  67 static void  modest_header_view_observer_init(
  68                 ModestHeaderViewObserverIface *iface_class);
  69 static void  modest_msg_view_window_finalize     (GObject *obj);
  70 static void  modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *obj,
  71                                                          gpointer data);
  72 static void  modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
  73                                                         ModestMsgViewWindow *obj);
  74 static void  modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
  75                                                         ModestMsgViewWindow *obj);
  76
  77 static void modest_msg_view_window_disconnect_signals (ModestWindow *self);
  78 static void modest_msg_view_window_set_zoom (ModestWindow *window,
  79                                              gdouble zoom);
  80 static gdouble modest_msg_view_window_get_zoom (ModestWindow *window);
  81 static gboolean modest_msg_view_window_zoom_minus (ModestWindow *window);
  82 static gboolean modest_msg_view_window_zoom_plus (ModestWindow *window);
  83 static gboolean modest_msg_view_window_key_event (GtkWidget *window,
  84                                                   GdkEventKey *event,
  85                                                   gpointer userdata);
  86 static gboolean modest_msg_view_window_window_state_event (GtkWidget *widget,
  87                                                            GdkEventWindowState *event,
  88                                                            gpointer userdata);
  89 static void modest_msg_view_window_update_priority (ModestMsgViewWindow *window);
  90
  91 static void modest_msg_view_window_show_toolbar   (ModestWindow *window,
  92                                                    gboolean show_toolbar);
  93
  94 static void modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
  95                                                            GdkEvent *event,
  96                                                            ModestMsgViewWindow *window);
  97 void modest_msg_view_window_on_row_changed(
  98                 GtkTreeModel *header_model,
  99                 GtkTreePath *arg1,
 100                 GtkTreeIter *arg2,
 101                 ModestMsgViewWindow *window);
 102
 103 void modest_msg_view_window_on_row_deleted(
 104                 GtkTreeModel *header_model,
 105                 GtkTreePath *arg1,
 106                 ModestMsgViewWindow *window);
 107
 108 void modest_msg_view_window_on_row_inserted(
 109                 GtkTreeModel *header_model,
 110                 GtkTreePath *tree_path,
 111                 GtkTreeIter *tree_iter,
 112                 ModestMsgViewWindow *window);
 113
 114 void modest_msg_view_window_on_row_reordered(
 115                 GtkTreeModel *header_model,
 116                 GtkTreePath *arg1,
 117                 GtkTreeIter *arg2,
 118                 gpointer arg3,
 119                 ModestMsgViewWindow *window);
 120
 121 void modest_msg_view_window_update_model_replaced(
 122                 ModestHeaderViewObserver *window,
 123                 GtkTreeModel *model,
 124                 const gchar *tny_folder_id);
 125
 126 static void cancel_progressbar  (GtkToolButton *toolbutton,
 127                                  ModestMsgViewWindow *self);
 128
 129 static void on_queue_changed    (ModestMailOperationQueue *queue,
 130                                  ModestMailOperation *mail_op,
 131                                  ModestMailOperationQueueNotification type,
 132                                  ModestMsgViewWindow *self);
 133
 134 static void on_account_removed  (TnyAccountStore *account_store,
 135                                  TnyAccount *account,
 136                                  gpointer user_data);
 137
 138 static void on_move_focus (GtkWidget *widget,
 139                            GtkDirectionType direction,
 140                            gpointer userdata);
 141
 142 static void view_msg_cb         (ModestMailOperation *mail_op,
 143                                  TnyHeader *header,
 144                                  gboolean canceled,
 145                                  TnyMsg *msg,
 146                                  GError *error,
 147                                  gpointer user_data);
 148
 149 static void set_toolbar_mode    (ModestMsgViewWindow *self,
 150                                  ModestToolBarModes mode);
 151
 152 static void update_window_title (ModestMsgViewWindow *window);
 153
 154 static gboolean set_toolbar_transfer_mode     (ModestMsgViewWindow *self);
 155 static void init_window (ModestMsgViewWindow *obj);
 156
 157 static gboolean msg_is_visible (TnyHeader *header, gboolean check_outbox);
 158
 159
 160 /* list my signals */
 161 enum {
 162         MSG_CHANGED_SIGNAL,
 163         LAST_SIGNAL
 164 };
 165
 166 static const GtkToggleActionEntry msg_view_toggle_action_entries [] = {
 167         { "FindInMessage",    MODEST_TOOLBAR_ICON_FIND,    N_("qgn_toolb_gene_find"), NULL, NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
 168         { "ToolsFindInMessage", NULL, N_("mcen_me_viewer_find"), "<CTRL>F", NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
 169 };
 170
 171 static const GtkRadioActionEntry msg_view_zoom_action_entries [] = {
 172         { "Zoom50", NULL, N_("mcen_me_viewer_50"), NULL, NULL, 50 },
 173         { "Zoom80", NULL, N_("mcen_me_viewer_80"), NULL, NULL, 80 },
 174         { "Zoom100", NULL, N_("mcen_me_viewer_100"), NULL, NULL, 100 },
 175         { "Zoom120", NULL, N_("mcen_me_viewer_120"), NULL, NULL, 120 },
 176         { "Zoom150", NULL, N_("mcen_me_viewer_150"), NULL, NULL, 150 },
 177         { "Zoom200", NULL, N_("mcen_me_viewer_200"), NULL, NULL, 200 }
 178 };
 179
 180 typedef struct _ModestMsgViewWindowPrivate ModestMsgViewWindowPrivate;
 181 struct _ModestMsgViewWindowPrivate {
 182
 183         GtkWidget   *msg_view;
 184         GtkWidget   *main_scroll;
 185         GtkWidget   *find_toolbar;
 186         gchar       *last_search;
 187
 188         /* Progress observers */
 189         GtkWidget        *progress_bar;
 190         GSList           *progress_widgets;
 191
 192         /* Tollbar items */
 193         GtkWidget   *progress_toolitem;
 194         GtkWidget   *cancel_toolitem;
 195         GtkWidget   *prev_toolitem;
 196         GtkWidget   *next_toolitem;
 197         ModestToolBarModes current_toolbar_mode;
 198
 199         /* Optimized view enabled */
 200         gboolean optimized_view;
 201
 202         /* Whether this was created via the *_new_for_search_result() function. */
 203         gboolean is_search_result;
 204
 205         /* Whether the message is in outbox */
 206         gboolean is_outbox;
 207
 208         /* A reference to the @model of the header view
 209          * to allow selecting previous/next messages,
 210          * if the message is currently selected in the header view.
 211          */
 212         const gchar *header_folder_id;
 213         GtkTreeModel *header_model;
 214         GtkTreeRowReference *row_reference;
 215         GtkTreeRowReference *next_row_reference;
 216
 217         gulong clipboard_change_handler;
 218         gulong queue_change_handler;
 219         gulong account_removed_handler;
 220         gulong row_changed_handler;
 221         gulong row_deleted_handler;
 222         gulong row_inserted_handler;
 223         gulong rows_reordered_handler;
 224
 225         guint purge_timeout;
 226         GtkWidget *remove_attachment_banner;
 227
 228         guint progress_bar_timeout;
 229
 230         gchar *msg_uid;
 231
 232         GSList *sighandlers;
 233 };
 234
 235 #define MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 236                                                     MODEST_TYPE_MSG_VIEW_WINDOW, \
 237                                                     ModestMsgViewWindowPrivate))
 238 /* globals */
 239 static GtkWindowClass *parent_class = NULL;
 240
 241 /* uncomment the following if you have defined any signals */
 242 static guint signals[LAST_SIGNAL] = {0};
 243
 244 GType
 245 modest_msg_view_window_get_type (void)
 246 {
 247         static GType my_type = 0;
 248         if (!my_type) {
 249                 static const GTypeInfo my_info = {
 250                         sizeof(ModestMsgViewWindowClass),
 251                         NULL,           /* base init */
 252                         NULL,           /* base finalize */
 253                         (GClassInitFunc) modest_msg_view_window_class_init,
 254                         NULL,           /* class finalize */
 255                         NULL,           /* class data */
 256                         sizeof(ModestMsgViewWindow),
 257                         1,              /* n_preallocs */
 258                         (GInstanceInitFunc) modest_msg_view_window_init,
 259                         NULL
 260                 };
 261                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 262                                                   "ModestMsgViewWindow",
 263                                                   &my_info, 0);
 264
 265                 static const GInterfaceInfo modest_header_view_observer_info =
 266                 {
 267                         (GInterfaceInitFunc) modest_header_view_observer_init,
 268                         NULL,         /* interface_finalize */
 269                         NULL          /* interface_data */
 270                 };
 271
 272                 g_type_add_interface_static (my_type,
 273                                 MODEST_TYPE_HEADER_VIEW_OBSERVER,
 274                                 &modest_header_view_observer_info);
 275         }
 276         return my_type;
 277 }
 278
 279 static void
 280 save_state (ModestWindow *self)
 281 {
 282         modest_widget_memory_save (modest_runtime_get_conf (),
 283                                    G_OBJECT(self),
 284                                    MODEST_CONF_MSG_VIEW_WINDOW_KEY);
 285 }
 286
 287
 288 static void
 289 restore_settings (ModestMsgViewWindow *self)
 290 {
 291         ModestConf *conf;
 292         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (self);
 293         GtkAction *action;
 294
 295         conf = modest_runtime_get_conf ();
 296         action = gtk_ui_manager_get_action (parent_priv->ui_manager,
 297                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu");
 298         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
 299                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR, NULL));
 300         action = gtk_ui_manager_get_action (parent_priv->ui_manager,
 301                                             "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu");
 302         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
 303                                       modest_conf_get_bool (conf, MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN, NULL));
 304         modest_widget_memory_restore (conf,
 305                                       G_OBJECT(self),
 306                                       MODEST_CONF_MSG_VIEW_WINDOW_KEY);
 307 }
 308
 309 static void
 310 modest_msg_view_window_class_init (ModestMsgViewWindowClass *klass)
 311 {
 312         GObjectClass *gobject_class;
 313         ModestWindowClass *modest_window_class;
 314         gobject_class = (GObjectClass*) klass;
 315         modest_window_class = (ModestWindowClass *) klass;
 316
 317         parent_class            = g_type_class_peek_parent (klass);
 318         gobject_class->finalize = modest_msg_view_window_finalize;
 319
 320         modest_window_class->set_zoom_func = modest_msg_view_window_set_zoom;
 321         modest_window_class->get_zoom_func = modest_msg_view_window_get_zoom;
 322         modest_window_class->zoom_minus_func = modest_msg_view_window_zoom_minus;
 323         modest_window_class->zoom_plus_func = modest_msg_view_window_zoom_plus;
 324         modest_window_class->show_toolbar_func = modest_msg_view_window_show_toolbar;
 325         modest_window_class->disconnect_signals_func = modest_msg_view_window_disconnect_signals;
 326
 327         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewWindowPrivate));
 328
 329         modest_window_class->save_state_func = save_state;
 330
 331         signals[MSG_CHANGED_SIGNAL] =
 332                 g_signal_new ("msg-changed",
 333                               G_TYPE_FROM_CLASS (gobject_class),
 334                               G_SIGNAL_RUN_FIRST,
 335                               G_STRUCT_OFFSET (ModestMsgViewWindowClass, msg_changed),
 336                               NULL, NULL,
 337                               modest_marshal_VOID__POINTER_POINTER,
 338                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
 339 }
 340
 341 static void modest_header_view_observer_init(
 342                 ModestHeaderViewObserverIface *iface_class)
 343 {
 344         iface_class->update_func = modest_msg_view_window_update_model_replaced;
 345 }
 346
 347 static void
 348 modest_msg_view_window_init (ModestMsgViewWindow *obj)
 349 {
 350         ModestMsgViewWindowPrivate *priv;
 351         ModestWindowPrivate *parent_priv = NULL;
 352         GtkActionGroup *action_group = NULL;
 353         GError *error = NULL;
 354         GdkPixbuf *window_icon;
 355
 356         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 357         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 358         parent_priv->ui_manager = gtk_ui_manager_new();
 359
 360         action_group = gtk_action_group_new ("ModestMsgViewWindowActions");
 361         gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
 362
 363         /* Add common actions */
 364         gtk_action_group_add_actions (action_group,
 365                                       modest_action_entries,
 366                                       G_N_ELEMENTS (modest_action_entries),
 367                                       obj);
 368         gtk_action_group_add_toggle_actions (action_group,
 369                                              modest_toggle_action_entries,
 370                                              G_N_ELEMENTS (modest_toggle_action_entries),
 371                                              obj);
 372         gtk_action_group_add_toggle_actions (action_group,
 373                                              msg_view_toggle_action_entries,
 374                                              G_N_ELEMENTS (msg_view_toggle_action_entries),
 375                                              obj);
 376         gtk_action_group_add_radio_actions (action_group,
 377                                             msg_view_zoom_action_entries,
 378                                             G_N_ELEMENTS (msg_view_zoom_action_entries),
 379                                             100,
 380                                             G_CALLBACK (modest_ui_actions_on_change_zoom),
 381                                             obj);
 382
 383         gtk_ui_manager_insert_action_group (parent_priv->ui_manager, action_group, 0);
 384         g_object_unref (action_group);
 385
 386         /* Load the UI definition */
 387         gtk_ui_manager_add_ui_from_file (parent_priv->ui_manager, MODEST_UIDIR "modest-msg-view-window-ui.xml",
 388                                          &error);
 389         if (error) {
 390                 g_printerr ("modest: could not merge modest-msg-view-window-ui.xml: %s\n", error->message);
 391                 g_error_free (error);
 392                 error = NULL;
 393         }
 394         /* ****** */
 395
 396         /* Add accelerators */
 397         gtk_window_add_accel_group (GTK_WINDOW (obj),
 398                                     gtk_ui_manager_get_accel_group (parent_priv->ui_manager));
 399
 400         priv->is_search_result = FALSE;
 401         priv->is_outbox = FALSE;
 402
 403         priv->msg_view      = NULL;
 404         priv->header_model  = NULL;
 405         priv->header_folder_id  = NULL;
 406         priv->clipboard_change_handler = 0;
 407         priv->queue_change_handler = 0;
 408         priv->account_removed_handler = 0;
 409         priv->row_changed_handler = 0;
 410         priv->row_deleted_handler = 0;
 411         priv->row_inserted_handler = 0;
 412         priv->rows_reordered_handler = 0;
 413         priv->current_toolbar_mode = TOOLBAR_MODE_NORMAL;
 414
 415         priv->optimized_view  = FALSE;
 416         priv->progress_bar_timeout = 0;
 417         priv->purge_timeout = 0;
 418         priv->remove_attachment_banner = NULL;
 419         priv->msg_uid = NULL;
 420
 421         priv->sighandlers = NULL;
 422
 423         /* Init window */
 424         init_window (MODEST_MSG_VIEW_WINDOW(obj));
 425
 426         /* Set window icon */
 427         window_icon = modest_platform_get_icon (MODEST_APP_MSG_VIEW_ICON, MODEST_ICON_SIZE_BIG);
 428         if (window_icon) {
 429                 gtk_window_set_icon (GTK_WINDOW (obj), window_icon);
 430                 g_object_unref (window_icon);
 431         }
 432
 433         hildon_program_add_window (hildon_program_get_instance(),
 434                                    HILDON_WINDOW(obj));
 435
 436         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 437                                             GTK_WINDOW(obj),"applications_email_viewer");
 438 }
 439
 440
 441 static gboolean
 442 set_toolbar_transfer_mode (ModestMsgViewWindow *self)
 443 {
 444         ModestMsgViewWindowPrivate *priv = NULL;
 445
 446         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
 447
 448         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
 449
 450         set_toolbar_mode (self, TOOLBAR_MODE_TRANSFER);
 451
 452         if (priv->progress_bar_timeout > 0) {
 453                 g_source_remove (priv->progress_bar_timeout);
 454                 priv->progress_bar_timeout = 0;
 455         }
 456
 457         return FALSE;
 458 }
 459
 460 static void
 461 set_toolbar_mode (ModestMsgViewWindow *self,
 462                   ModestToolBarModes mode)
 463 {
 464         ModestWindowPrivate *parent_priv;
 465         ModestMsgViewWindowPrivate *priv;
 466 /*      GtkWidget *widget = NULL; */
 467
 468         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
 469
 470         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 471         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
 472
 473         /* Sets current toolbar mode */
 474         priv->current_toolbar_mode = mode;
 475
 476         /* Update window dimming state */
 477         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (self));
 478
 479         switch (mode) {
 480         case TOOLBAR_MODE_NORMAL:
 481                 if (priv->progress_toolitem) {
 482                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
 483                         gtk_widget_hide (priv->progress_toolitem);
 484                 }
 485
 486                 if (priv->progress_bar)
 487                         gtk_widget_hide (priv->progress_bar);
 488
 489                 if (priv->cancel_toolitem)
 490                         gtk_widget_hide (priv->cancel_toolitem);
 491
 492                 if (priv->prev_toolitem)
 493                         gtk_widget_show (priv->prev_toolitem);
 494
 495                 if (priv->next_toolitem)
 496                         gtk_widget_show (priv->next_toolitem);
 497
 498                 /* Hide toolbar if optimized view is enabled */
 499                 if (priv->optimized_view) {
 500                         gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
 501                         gtk_widget_hide (GTK_WIDGET(parent_priv->toolbar));
 502                 }
 503
 504                 break;
 505         case TOOLBAR_MODE_TRANSFER:
 506                 if (priv->prev_toolitem)
 507                         gtk_widget_hide (priv->prev_toolitem);
 508
 509                 if (priv->next_toolitem)
 510                         gtk_widget_hide (priv->next_toolitem);
 511
 512                 if (priv->progress_bar)
 513                         gtk_widget_show (priv->progress_bar);
 514
 515                 if (priv->progress_toolitem) {
 516                         gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
 517                         gtk_widget_show (priv->progress_toolitem);
 518                 }
 519
 520                 if (priv->cancel_toolitem)
 521                         gtk_widget_show (priv->cancel_toolitem);
 522
 523                 /* Show toolbar if it's hiden (optimized view ) */
 524                 if (priv->optimized_view) {
 525                         gtk_widget_set_no_show_all (parent_priv->toolbar, FALSE);
 526                         gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
 527                 }
 528
 529                 break;
 530         default:
 531                 g_return_if_reached ();
 532         }
 533
 534 }
 535
 536
 537 static void
 538 init_window (ModestMsgViewWindow *obj)
 539 {
 540         GtkWidget *main_vbox;
 541         ModestMsgViewWindowPrivate *priv;
 542         ModestWindowPrivate *parent_priv;
 543
 544         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 545         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 546
 547         priv->msg_view = GTK_WIDGET (tny_platform_factory_new_msg_view (modest_tny_platform_factory_get_instance ()));
 548         modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
 549         main_vbox = gtk_vbox_new  (FALSE, 6);
 550
 551 #ifdef MODEST_USE_MOZEMBED
 552         priv->main_scroll = priv->msg_view;
 553         gtk_widget_set_size_request (priv->msg_view, -1, 1600);
 554 #else
 555         priv->main_scroll = gtk_scrolled_window_new (NULL, NULL);
 556         gtk_container_add (GTK_CONTAINER (priv->main_scroll), priv->msg_view);
 557 #endif
 558         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 559         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_SHADOW_NONE);
 560         modest_maemo_set_thumbable_scrollbar (GTK_SCROLLED_WINDOW(priv->main_scroll), TRUE);
 561
 562         gtk_box_pack_start (GTK_BOX(main_vbox), priv->main_scroll, TRUE, TRUE, 0);
 563         gtk_container_add   (GTK_CONTAINER(obj), main_vbox);
 564
 565         priv->find_toolbar = hildon_find_toolbar_new (NULL);
 566         hildon_window_add_toolbar (HILDON_WINDOW (obj), GTK_TOOLBAR (priv->find_toolbar));
 567         gtk_widget_set_no_show_all (priv->find_toolbar, TRUE);
 568
 569         gtk_widget_show_all (GTK_WIDGET(main_vbox));
 570 }
 571
 572 static void
 573 modest_msg_view_window_disconnect_signals (ModestWindow *self)
 574 {
 575         ModestMsgViewWindowPrivate *priv;
 576         ModestHeaderView *header_view = NULL;
 577         ModestWindow *main_window = NULL;
 578
 579         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
 580
 581         if (gtk_clipboard_get (GDK_SELECTION_PRIMARY) &&
 582             g_signal_handler_is_connected (gtk_clipboard_get (GDK_SELECTION_PRIMARY),
 583                                            priv->clipboard_change_handler))
 584                 g_signal_handler_disconnect (gtk_clipboard_get (GDK_SELECTION_PRIMARY),
 585                                              priv->clipboard_change_handler);
 586
 587         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 588                                            priv->queue_change_handler))
 589                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 590                                              priv->queue_change_handler);
 591
 592         if (g_signal_handler_is_connected (G_OBJECT (modest_runtime_get_account_store ()),
 593                                            priv->account_removed_handler))
 594                 g_signal_handler_disconnect (G_OBJECT (modest_runtime_get_account_store ()),
 595                                              priv->account_removed_handler);
 596
 597         if (priv->header_model) {
 598                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
 599                                                   priv->row_changed_handler))
 600                         g_signal_handler_disconnect(G_OBJECT (priv->header_model),
 601                                                     priv->row_changed_handler);
 602
 603                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
 604                                                   priv->row_deleted_handler))
 605                         g_signal_handler_disconnect(G_OBJECT (priv->header_model),
 606                                              priv->row_deleted_handler);
 607
 608                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
 609                                                   priv->row_inserted_handler))
 610                         g_signal_handler_disconnect(G_OBJECT (priv->header_model),
 611                                                     priv->row_inserted_handler);
 612
 613                 if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
 614                                                   priv->rows_reordered_handler))
 615                         g_signal_handler_disconnect(G_OBJECT (priv->header_model),
 616                                                     priv->rows_reordered_handler);
 617         }
 618
 619         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 620         priv->sighandlers = NULL;
 621
 622         main_window = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(),
 623                                                          FALSE); /* don't create */
 624         if (!main_window)
 625                 return;
 626
 627         header_view = MODEST_HEADER_VIEW(
 628                         modest_main_window_get_child_widget(
 629                                 MODEST_MAIN_WINDOW(main_window),
 630                                 MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
 631         if (header_view == NULL)
 632                 return;
 633
 634         modest_header_view_remove_observer(header_view,
 635                         MODEST_HEADER_VIEW_OBSERVER(self));
 636 }
 637
 638 static void
 639 modest_msg_view_window_finalize (GObject *obj)
 640 {
 641         ModestMsgViewWindowPrivate *priv;
 642
 643         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 644
 645         /* Sanity check: shouldn't be needed, the window mgr should
 646            call this function before */
 647         modest_msg_view_window_disconnect_signals (MODEST_WINDOW (obj));
 648
 649         if (priv->header_model != NULL) {
 650                 g_object_unref (priv->header_model);
 651                 priv->header_model = NULL;
 652         }
 653
 654         if (priv->progress_bar_timeout > 0) {
 655                 g_source_remove (priv->progress_bar_timeout);
 656                 priv->progress_bar_timeout = 0;
 657         }
 658
 659         if (priv->remove_attachment_banner) {
 660                 gtk_widget_destroy (priv->remove_attachment_banner);
 661                 g_object_unref (priv->remove_attachment_banner);
 662                 priv->remove_attachment_banner = NULL;
 663         }
 664
 665         if (priv->purge_timeout > 0) {
 666                 g_source_remove (priv->purge_timeout);
 667                 priv->purge_timeout = 0;
 668         }
 669
 670         if (priv->row_reference) {
 671                 gtk_tree_row_reference_free (priv->row_reference);
 672                 priv->row_reference = NULL;
 673         }
 674
 675         if (priv->next_row_reference) {
 676                 gtk_tree_row_reference_free (priv->next_row_reference);
 677                 priv->next_row_reference = NULL;
 678         }
 679
 680         if (priv->msg_uid) {
 681                 g_free (priv->msg_uid);
 682                 priv->msg_uid = NULL;
 683         }
 684
 685         G_OBJECT_CLASS(parent_class)->finalize (obj);
 686 }
 687
 688 static gboolean
 689 select_next_valid_row (GtkTreeModel *model,
 690                        GtkTreeRowReference **row_reference,
 691                        gboolean cycle)
 692 {
 693         GtkTreeIter tmp_iter;
 694         GtkTreePath *path, *next;
 695         gboolean retval = FALSE;
 696
 697         g_return_val_if_fail (gtk_tree_row_reference_valid (*row_reference), FALSE);
 698
 699         path = gtk_tree_row_reference_get_path (*row_reference);
 700         gtk_tree_model_get_iter (model, &tmp_iter, path);
 701         gtk_tree_row_reference_free (*row_reference);
 702         *row_reference = NULL;
 703
 704         if (gtk_tree_model_iter_next (model, &tmp_iter)) {
 705                 next = gtk_tree_model_get_path (model, &tmp_iter);
 706                 *row_reference = gtk_tree_row_reference_new (model, next);
 707                 retval = TRUE;
 708         } else if (cycle && gtk_tree_model_get_iter_first (model, &tmp_iter)) {
 709                 next = gtk_tree_model_get_path (model, &tmp_iter);
 710
 711                 /* Ensure that we are not selecting the same */
 712                 if (gtk_tree_path_compare (path, next) != 0) {
 713                         *row_reference = gtk_tree_row_reference_new (model, next);
 714                         retval = TRUE;
 715                 }
 716         }
 717
 718         /* Free */
 719         gtk_tree_path_free (path);
 720
 721         return retval;
 722 }
 723
 724 /* TODO: This should be in _init(), with the parameters as properties. */
 725 static void
 726 modest_msg_view_window_construct (ModestMsgViewWindow *self,
 727                             const gchar *modest_account_name,
 728                             const gchar *msg_uid)
 729 {
 730         GObject *obj = NULL;
 731         ModestMsgViewWindowPrivate *priv = NULL;
 732         ModestWindowPrivate *parent_priv = NULL;
 733         ModestDimmingRulesGroup *window_rules_group = NULL;
 734         ModestDimmingRulesGroup *clipboard_rules_group = NULL;
 735
 736         obj = G_OBJECT (self);
 737         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 738         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 739
 740         priv->msg_uid = g_strdup (msg_uid);
 741
 742         /* Menubar */
 743         parent_priv->menubar = modest_maemo_utils_get_manager_menubar_as_menu (parent_priv->ui_manager, "/MenuBar");
 744         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
 745         gtk_widget_show (parent_priv->menubar);
 746         parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
 747
 748         window_rules_group = modest_dimming_rules_group_new ("ModestWindowDimmingRules", TRUE);
 749         clipboard_rules_group = modest_dimming_rules_group_new ("ModestClipboardDimmingRules", FALSE);
 750
 751         /* Add common dimming rules */
 752         modest_dimming_rules_group_add_rules (window_rules_group,
 753                                               modest_msg_view_toolbar_dimming_entries,
 754                                               G_N_ELEMENTS (modest_msg_view_toolbar_dimming_entries),
 755                                               MODEST_WINDOW (self));
 756         modest_dimming_rules_group_add_rules (window_rules_group,
 757                                               modest_msg_view_menu_dimming_entries,
 758                                               G_N_ELEMENTS (modest_msg_view_menu_dimming_entries),
 759                                               MODEST_WINDOW (self));
 760         modest_dimming_rules_group_add_rules (clipboard_rules_group,
 761                                               modest_msg_view_clipboard_dimming_entries,
 762                                               G_N_ELEMENTS (modest_msg_view_clipboard_dimming_entries),
 763                                               MODEST_WINDOW (self));
 764
 765         /* Insert dimming rules group for this window */
 766         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, window_rules_group);
 767         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, clipboard_rules_group);
 768         g_object_unref (window_rules_group);
 769         g_object_unref (clipboard_rules_group);
 770
 771         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
 772
 773         /* g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj); */
 774
 775         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);
 776         g_signal_connect (G_OBJECT(priv->msg_view), "activate_link",
 777                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
 778         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
 779                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
 780         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
 781                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
 782         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
 783                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
 784         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
 785                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
 786
 787         g_signal_connect (G_OBJECT (obj), "key-release-event",
 788                           G_CALLBACK (modest_msg_view_window_key_event),
 789                           NULL);
 790
 791         g_signal_connect (G_OBJECT (obj), "key-press-event",
 792                           G_CALLBACK (modest_msg_view_window_key_event),
 793                           NULL);
 794
 795         g_signal_connect (G_OBJECT (obj), "window-state-event",
 796                           G_CALLBACK (modest_msg_view_window_window_state_event),
 797                           NULL);
 798
 799         g_signal_connect (G_OBJECT (obj), "move-focus",
 800                           G_CALLBACK (on_move_focus), obj);
 801
 802         /* Mail Operation Queue */
 803         priv->queue_change_handler = g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 804                                                        "queue-changed",
 805                                                        G_CALLBACK (on_queue_changed),
 806                                                        obj);
 807
 808         /* Account manager */
 809         priv->account_removed_handler = g_signal_connect (G_OBJECT (modest_runtime_get_account_store ()),
 810                                                           "account_removed",
 811                                                           G_CALLBACK(on_account_removed),
 812                                                           obj);
 813
 814         modest_window_set_active_account (MODEST_WINDOW(obj), modest_account_name);
 815
 816         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
 817         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
 818         priv->last_search = NULL;
 819
 820         /* Init the clipboard actions dim status */
 821         modest_msg_view_grab_focus(MODEST_MSG_VIEW (priv->msg_view));
 822
 823         gtk_widget_show_all (GTK_WIDGET (obj));
 824         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 825
 826
 827 }
 828
 829 /* FIXME: parameter checks */
 830 ModestWindow *
 831 modest_msg_view_window_new_with_header_model (TnyMsg *msg,
 832                                               const gchar *modest_account_name,
 833                                               const gchar *msg_uid,
 834                                               GtkTreeModel *model,
 835                                               GtkTreeRowReference *row_reference)
 836 {
 837         ModestMsgViewWindow *window = NULL;
 838         ModestMsgViewWindowPrivate *priv = NULL;
 839         TnyFolder *header_folder = NULL;
 840         ModestHeaderView *header_view = NULL;
 841         ModestWindow *main_window = NULL;
 842         ModestWindowMgr *mgr = NULL;
 843
 844         mgr = modest_runtime_get_window_mgr ();
 845         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
 846         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 847
 848         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
 849
 850         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 851
 852         /* Remember the message list's TreeModel so we can detect changes
 853          * and change the list selection when necessary: */
 854
 855         main_window = modest_window_mgr_get_main_window(mgr, FALSE); /* don't create */
 856         if (main_window) {
 857                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget(
 858                                                          MODEST_MAIN_WINDOW(main_window),
 859                                                          MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
 860         }
 861
 862         if (header_view != NULL){
 863                 header_folder = modest_header_view_get_folder(header_view);
 864                 priv->is_outbox = (modest_tny_folder_guess_folder_type (header_folder) == TNY_FOLDER_TYPE_OUTBOX);
 865                 g_assert(header_folder != NULL);
 866                 priv->header_folder_id = tny_folder_get_id(header_folder);
 867                 g_assert(priv->header_folder_id != NULL);
 868                 g_object_unref(header_folder);
 869         }
 870
 871         priv->header_model = g_object_ref(model);
 872         if (row_reference) {
 873                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
 874                 priv->next_row_reference = gtk_tree_row_reference_copy (row_reference);
 875                 select_next_valid_row (model, &(priv->next_row_reference), TRUE);
 876         } else {
 877                 priv->row_reference = NULL;
 878                 priv->next_row_reference = NULL;
 879         }
 880
 881         priv->row_changed_handler = g_signal_connect(
 882                         GTK_TREE_MODEL(model), "row-changed",
 883                         G_CALLBACK(modest_msg_view_window_on_row_changed),
 884                         window);
 885         priv->row_deleted_handler = g_signal_connect(
 886                         GTK_TREE_MODEL(model), "row-deleted",
 887                         G_CALLBACK(modest_msg_view_window_on_row_deleted),
 888                         window);
 889         priv->row_inserted_handler = g_signal_connect (
 890                         GTK_TREE_MODEL(model), "row-inserted",
 891                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
 892                         window);
 893         priv->rows_reordered_handler = g_signal_connect(
 894                         GTK_TREE_MODEL(model), "rows-reordered",
 895                         G_CALLBACK(modest_msg_view_window_on_row_reordered),
 896                         window);
 897
 898         if (header_view != NULL){
 899                 modest_header_view_add_observer(header_view,
 900                                 MODEST_HEADER_VIEW_OBSERVER(window));
 901         }
 902
 903         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 904         update_window_title (MODEST_MSG_VIEW_WINDOW (window));
 905         gtk_widget_show_all (GTK_WIDGET (window));
 906         modest_msg_view_window_update_priority (window);
 907
 908         /* Check window dimming rules */
 909         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
 910         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), "ModestClipboardDimmingRules");
 911
 912         return MODEST_WINDOW(window);
 913 }
 914
 915 ModestWindow *
 916 modest_msg_view_window_new_for_search_result (TnyMsg *msg,
 917                                               const gchar *modest_account_name,
 918                                               const gchar *msg_uid)
 919 {
 920         ModestMsgViewWindow *window = NULL;
 921         ModestMsgViewWindowPrivate *priv = NULL;
 922         ModestWindowMgr *mgr = NULL;
 923
 924         mgr = modest_runtime_get_window_mgr ();
 925         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
 926         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 927         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
 928
 929         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 930
 931         /* Remember that this is a search result,
 932          * so we can disable some UI appropriately: */
 933         priv->is_search_result = TRUE;
 934
 935         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 936
 937         update_window_title (window);
 938         modest_msg_view_window_update_priority (window);
 939
 940
 941         return MODEST_WINDOW(window);
 942 }
 943
 944 ModestWindow *
 945 modest_msg_view_window_new_for_attachment (TnyMsg *msg,
 946                             const gchar *modest_account_name,
 947                             const gchar *msg_uid)
 948 {
 949         GObject *obj = NULL;
 950         ModestMsgViewWindowPrivate *priv;
 951         ModestWindowMgr *mgr = NULL;
 952
 953         g_return_val_if_fail (msg, NULL);
 954         mgr = modest_runtime_get_window_mgr ();
 955         obj = G_OBJECT (modest_window_mgr_get_msg_view_window (mgr));
 956         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 957         modest_msg_view_window_construct (MODEST_MSG_VIEW_WINDOW (obj),
 958                 modest_account_name, msg_uid);
 959
 960         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 961         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 962
 963         /* Check window dimming rules */
 964         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (obj));
 965         modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), "ModestClipboardDimmingRules");
 966
 967         return MODEST_WINDOW(obj);
 968 }
 969
 970 void modest_msg_view_window_on_row_changed(
 971                 GtkTreeModel *header_model,
 972                 GtkTreePath *arg1,
 973                 GtkTreeIter *arg2,
 974                 ModestMsgViewWindow *window){
 975         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
 976 }
 977
 978 void modest_msg_view_window_on_row_deleted(
 979                 GtkTreeModel *header_model,
 980                 GtkTreePath *arg1,
 981                 ModestMsgViewWindow *window){
 982         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
 983 }
 984
 985 /* On insertions we check if the folder still has the message we are
 986  * showing or do not. If do not, we do nothing. Which means we are still
 987  * not attached to any header folder and thus next/prev buttons are
 988  * still dimmed. Once the message that is shown by msg-view is found, the
 989  * new model of header-view will be attached and the references will be set.
 990  * On each further insertions dimming rules will be checked. However
 991  * this requires extra CPU time at least works.
 992  * (An message might be deleted from TnyFolder and thus will not be
 993  * inserted into the model again for example if it is removed by the
 994  * imap server and the header view is refreshed.)
 995  */
 996 void modest_msg_view_window_on_row_inserted(
 997                 GtkTreeModel *new_model,
 998                 GtkTreePath *tree_path,
 999                 GtkTreeIter *tree_iter,
1000                 ModestMsgViewWindow *window){
1001         ModestMsgViewWindowPrivate *priv = NULL;
1002         TnyHeader *header = NULL;
1003         gchar *uid = NULL;
1004
1005         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1006
1007         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1008
1009         /* If we already has a model attached then the message shown by
1010          * msg-view is in it, and thus we do not need any actions but
1011          * to check the dimming rules.*/
1012         if(priv->header_model != NULL){
1013                 if (priv->row_reference) {
1014                         gtk_tree_row_reference_free(priv->next_row_reference);
1015                         priv->next_row_reference = gtk_tree_row_reference_copy(
1016                                 priv->row_reference);
1017                         select_next_valid_row (priv->header_model,
1018                                                &(priv->next_row_reference), FALSE);
1019                 }
1020                 modest_ui_actions_check_window_dimming_rules (
1021                                 MODEST_WINDOW (window));
1022                 return;
1023         }
1024
1025         /* Check if the newly inserted message is the same we are actually
1026          * showing. IF not, we should remain detached from the header model
1027          * and thus prev and next toolbarbuttons should remain dimmed. */
1028         gtk_tree_model_get (new_model, tree_iter,
1029                         TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header, -1);
1030         uid = modest_tny_folder_get_header_unique_id(header);
1031         if(!g_str_equal(priv->msg_uid, uid)){
1032                 g_free(uid);
1033                 g_object_unref(G_OBJECT(header));
1034                 header = NULL;
1035                 return;
1036         }
1037         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1038                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1039         g_object_unref(G_OBJECT(header));
1040         header = NULL;
1041         g_free(uid);
1042
1043         /* Setup row_reference for the actual msg. */
1044         priv->row_reference = gtk_tree_row_reference_new(
1045                         new_model, tree_path);
1046         if(priv->row_reference == NULL){
1047                 g_warning("No reference for msg header item.");
1048                 return;
1049         }
1050
1051         /* Attach new_model and connect some callback to it to become able
1052          * to detect changes in header-view. */
1053         priv->header_model = g_object_ref(new_model);
1054         g_signal_connect (new_model, "row-changed",
1055                         G_CALLBACK (modest_msg_view_window_on_row_changed),
1056                         window);
1057         g_signal_connect (new_model, "row-deleted",
1058                         G_CALLBACK (modest_msg_view_window_on_row_deleted),
1059                         window);
1060         g_signal_connect (new_model, "rows-reordered",
1061                         G_CALLBACK (modest_msg_view_window_on_row_reordered),
1062                         window);
1063
1064         /* Now set up next_row_reference. */
1065         priv->next_row_reference = gtk_tree_row_reference_copy(
1066                         priv->row_reference);
1067         select_next_valid_row (priv->header_model,
1068                         &(priv->next_row_reference), FALSE);
1069
1070         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
1071 }
1072
1073 void modest_msg_view_window_on_row_reordered(
1074                 GtkTreeModel *header_model,
1075                 GtkTreePath *arg1,
1076                 GtkTreeIter *arg2,
1077                 gpointer arg3,
1078                 ModestMsgViewWindow *window){
1079         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
1080 }
1081
1082 /* The modest_msg_view_window_update_model_replaced implements update
1083  * function for ModestHeaderViewObserver. Checks whether the TnyFolder
1084  * actually belongs to the header-view is the same as the TnyFolder of
1085  * the message of msg-view or not. If they are different, there is
1086  * nothing to do. If they are the same, then the model has replaced and
1087  * the reference in msg-view shall be replaced from the old model to
1088  * the new model. In this case the view will be detached from it's
1089  * header folder. From this point the next/prev buttons are dimmed.
1090  */
1091 void modest_msg_view_window_update_model_replaced(
1092                 ModestHeaderViewObserver *observer,
1093                 GtkTreeModel *model,
1094                 const gchar *tny_folder_id){
1095         ModestMsgViewWindowPrivate *priv = NULL;
1096         ModestMsgViewWindow *window = NULL;
1097
1098         g_assert(MODEST_IS_HEADER_VIEW_OBSERVER(observer));
1099         g_assert(MODEST_IS_MSG_VIEW_WINDOW(observer));
1100
1101         window = MODEST_MSG_VIEW_WINDOW(observer);
1102         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
1103
1104         /* If there is an other folder in the header-view then we do
1105          * not care about it's model (msg list). Else if the
1106          * header-view shows the folder the msg shown by us is in, we
1107          * shall replace our model reference and make some check. */
1108         if(tny_folder_id == NULL || !g_str_equal(tny_folder_id, priv->header_folder_id))
1109                 return;
1110
1111         /* Model is changed(replaced), so we should forget the old
1112          * one. Because there might be other references and there
1113          * might be some change on the model even if we unreferenced
1114          * it, we need to disconnect our signals here. */
1115         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1116                                            priv->row_changed_handler))
1117                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1118                                              priv->row_changed_handler);
1119         priv->row_changed_handler = 0;
1120         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1121                                            priv->row_deleted_handler))
1122                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1123                                              priv->row_deleted_handler);
1124         priv->row_deleted_handler = 0;
1125         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1126                                            priv->row_inserted_handler))
1127                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1128                                              priv->row_inserted_handler);
1129         priv->row_inserted_handler = 0;
1130         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1131                                            priv->rows_reordered_handler))
1132                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1133                                              priv->rows_reordered_handler);
1134         priv->rows_reordered_handler = 0;
1135         g_object_unref(priv->header_model);
1136         priv->header_model = NULL;
1137         if (priv->row_reference)
1138                 g_object_unref(priv->row_reference);
1139         priv->row_reference = NULL;
1140         if (priv->next_row_reference)
1141                 g_object_unref(priv->next_row_reference);
1142         priv->next_row_reference = NULL;
1143
1144         modest_ui_actions_check_window_dimming_rules(MODEST_WINDOW(window));
1145
1146         g_assert(model != NULL);
1147
1148         /* Also we must connect to the new model for row insertions.
1149          * Only for insertions now. We will need other ones only after
1150          * the msg is show by msg-view is added to the new model. */
1151         priv->row_inserted_handler = g_signal_connect (
1152                         model, "row-inserted",
1153                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
1154                         window);
1155 }
1156
1157 gboolean
1158 modest_msg_view_window_toolbar_on_transfer_mode     (ModestMsgViewWindow *self)
1159 {
1160         ModestMsgViewWindowPrivate *priv= NULL;
1161
1162         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
1163         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1164
1165         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
1166 }
1167
1168 TnyHeader*
1169 modest_msg_view_window_get_header (ModestMsgViewWindow *self)
1170 {
1171         ModestMsgViewWindowPrivate *priv= NULL;
1172         TnyMsg *msg = NULL;
1173         TnyHeader *header = NULL;
1174         GtkTreePath *path = NULL;
1175         GtkTreeIter iter;
1176
1177         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), NULL);
1178         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1179
1180         /* If the message was not obtained from a treemodel,
1181          * for instance if it was opened directly by the search UI:
1182          */
1183         if (priv->header_model == NULL || priv->row_reference == NULL) {
1184                 msg = modest_msg_view_window_get_message (self);
1185                 if (msg) {
1186                         header = tny_msg_get_header (msg);
1187                         g_object_unref (msg);
1188                 }
1189                 return header;
1190         }
1191
1192         /* Get iter of the currently selected message in the header view: */
1193         /* TODO: Why not just give this window a ref of the TnyHeader or TnyMessage,
1194          * instead of sometimes retrieving it from the header view?
1195          * Then we wouldn't be dependent on the message actually still being selected
1196          * in the header view. murrayc. */
1197         if (!gtk_tree_row_reference_valid (priv->row_reference))
1198                 return NULL;
1199         path = gtk_tree_row_reference_get_path (priv->row_reference);
1200         g_return_val_if_fail (path != NULL, NULL);
1201         gtk_tree_model_get_iter (priv->header_model,
1202                                  &iter,
1203                                  path);
1204
1205         /* Get current message header */
1206         gtk_tree_model_get (priv->header_model, &iter,
1207                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1208                             &header, -1);
1209
1210         gtk_tree_path_free (path);
1211         return header;
1212 }
1213
1214 TnyMsg*
1215 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
1216 {
1217         ModestMsgViewWindowPrivate *priv;
1218
1219         g_return_val_if_fail (self, NULL);
1220
1221         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
1222
1223         return tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1224 }
1225
1226 const gchar*
1227 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
1228 {
1229         ModestMsgViewWindowPrivate *priv;
1230
1231         g_return_val_if_fail (self, NULL);
1232
1233         priv  = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1234
1235         return (const gchar*) priv->msg_uid;
1236 }
1237
1238 static void
1239 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
1240                                             gpointer data)
1241 {
1242         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
1243         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1244         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1245         gboolean is_active;
1246         GtkAction *action;
1247
1248         is_active = gtk_toggle_action_get_active (toggle);
1249
1250         if (is_active) {
1251                 gtk_widget_show (priv->find_toolbar);
1252                 hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1253         } else {
1254                 gtk_widget_hide (priv->find_toolbar);
1255         }
1256
1257         /* update the toggle buttons status */
1258         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1259         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1260         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ToolsMenu/ToolsFindInMessageMenu");
1261         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1262
1263 }
1264
1265 static void
1266 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
1267                                            ModestMsgViewWindow *obj)
1268 {
1269         GtkToggleAction *toggle;
1270         ModestWindowPrivate *parent_priv;
1271         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
1272
1273         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
1274         gtk_toggle_action_set_active (toggle, FALSE);
1275 }
1276
1277 static void
1278 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
1279                                            ModestMsgViewWindow *obj)
1280 {
1281         gchar *current_search;
1282         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
1283
1284         if (modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->msg_view))) {
1285                 hildon_banner_show_information (NULL, NULL, _("mail_ib_nothing_to_find"));
1286                 return;
1287         }
1288
1289         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
1290
1291         if ((current_search == NULL) || (strcmp (current_search, "") == 0)) {
1292                 g_free (current_search);
1293                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ecdg_ib_find_rep_enter_text"));
1294                 return;
1295         }
1296
1297         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
1298                 gboolean result;
1299                 g_free (priv->last_search);
1300                 priv->last_search = g_strdup (current_search);
1301                 result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->msg_view),
1302                                                      priv->last_search);
1303                 if (!result) {
1304                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_no_matches"));
1305                         g_free (priv->last_search);
1306                         priv->last_search = NULL;
1307                 } else {
1308                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1309                 }
1310         } else {
1311                 if (!modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->msg_view))) {
1312                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_search_complete"));
1313                         g_free (priv->last_search);
1314                         priv->last_search = NULL;
1315                 } else {
1316                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1317                 }
1318         }
1319
1320         g_free (current_search);
1321
1322 }
1323
1324 static void
1325 modest_msg_view_window_set_zoom (ModestWindow *window,
1326                                  gdouble zoom)
1327 {
1328         ModestMsgViewWindowPrivate *priv;
1329         ModestWindowPrivate *parent_priv;
1330         GtkAction *action = NULL;
1331         gint int_zoom = (gint) rint (zoom*100.0+0.1);
1332
1333         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1334
1335         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1336         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1337         modest_zoomable_set_zoom (MODEST_ZOOMABLE (priv->msg_view), zoom);
1338
1339         action = gtk_ui_manager_get_action (parent_priv->ui_manager,
1340                                             "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu");
1341
1342         gtk_radio_action_set_current_value (GTK_RADIO_ACTION (action), int_zoom);
1343 }
1344
1345 static gdouble
1346 modest_msg_view_window_get_zoom (ModestWindow *window)
1347 {
1348         ModestMsgViewWindowPrivate *priv;
1349
1350         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
1351
1352         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1353         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->msg_view));
1354 }
1355
1356 static gboolean
1357 modest_msg_view_window_zoom_plus (ModestWindow *window)
1358 {
1359         ModestWindowPrivate *parent_priv;
1360         GtkRadioAction *zoom_radio_action;
1361         GSList *group, *node;
1362
1363         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1364         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
1365                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1366
1367         group = gtk_radio_action_get_group (zoom_radio_action);
1368
1369         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
1370                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_max_zoom_level_reached"));
1371                 return FALSE;
1372         }
1373
1374         for (node = group; node != NULL; node = g_slist_next (node)) {
1375                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
1376                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
1377                         return TRUE;
1378                 }
1379         }
1380         return FALSE;
1381 }
1382
1383 static gboolean
1384 modest_msg_view_window_zoom_minus (ModestWindow *window)
1385 {
1386         ModestWindowPrivate *parent_priv;
1387         GtkRadioAction *zoom_radio_action;
1388         GSList *group, *node;
1389
1390         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1391         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
1392                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1393
1394         group = gtk_radio_action_get_group (zoom_radio_action);
1395
1396         for (node = group; node != NULL; node = g_slist_next (node)) {
1397                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
1398                         if (node->next != NULL) {
1399                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
1400                                 return TRUE;
1401                         } else {
1402                           hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_min_zoom_level_reached"));
1403                                 return FALSE;
1404                         }
1405                         break;
1406                 }
1407         }
1408         return FALSE;
1409 }
1410
1411 static gboolean
1412 modest_msg_view_window_key_event (GtkWidget *window,
1413                                   GdkEventKey *event,
1414                                   gpointer userdata)
1415 {
1416         GtkWidget *focus;
1417
1418         focus = gtk_window_get_focus (GTK_WINDOW (window));
1419
1420         /* for the find toolbar case */
1421         if (focus && GTK_IS_ENTRY (focus)) {
1422                 if (event->keyval == GDK_BackSpace) {
1423                         GdkEvent *copy;
1424                         copy = gdk_event_copy ((GdkEvent *) event);
1425                         gtk_widget_event (focus, copy);
1426                         gdk_event_free (copy);
1427                         return TRUE;
1428                 } else
1429                         return FALSE;
1430         }
1431         if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1432             event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
1433             event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
1434             event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down ||
1435             event->keyval == GDK_Home || event->keyval == GDK_KP_Home ||
1436             event->keyval == GDK_End || event->keyval == GDK_KP_End) {
1437                 ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1438                 gboolean return_value;
1439
1440                 if (event->type == GDK_KEY_RELEASE) {
1441                         GtkScrollType scroll_type;
1442
1443                         switch (event->keyval) {
1444                         case GDK_Up:
1445                         case GDK_KP_Up:
1446                                 scroll_type = GTK_SCROLL_STEP_UP; break;
1447                         case GDK_Down:
1448                         case GDK_KP_Down:
1449                                 scroll_type = GTK_SCROLL_STEP_DOWN; break;
1450                         case GDK_Page_Up:
1451                         case GDK_KP_Page_Up:
1452                                 scroll_type = GTK_SCROLL_PAGE_UP; break;
1453                         case GDK_Page_Down:
1454                         case GDK_KP_Page_Down:
1455                                 scroll_type = GTK_SCROLL_PAGE_DOWN; break;
1456                         case GDK_Home:
1457                         case GDK_KP_Home:
1458                                 scroll_type = GTK_SCROLL_START; break;
1459                         case GDK_End:
1460                         case GDK_KP_End:
1461                                 scroll_type = GTK_SCROLL_END; break;
1462                         default: scroll_type = GTK_SCROLL_NONE;
1463                         }
1464
1465                         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child",
1466                                                scroll_type, FALSE, &return_value);
1467                         return TRUE;
1468                 } else {
1469                         return FALSE;
1470                 }
1471         } else {
1472                 return FALSE;
1473         }
1474 }
1475
1476 gboolean
1477 modest_msg_view_window_last_message_selected (ModestMsgViewWindow *window)
1478 {
1479         GtkTreePath *path;
1480         ModestMsgViewWindowPrivate *priv;
1481         GtkTreeIter tmp_iter;
1482         gboolean is_last_selected;
1483
1484         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1485         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1486
1487         /*if no model (so no rows at all), then virtually we are the last*/
1488         if (!priv->header_model || !priv->row_reference)
1489                 return TRUE;
1490
1491         path = gtk_tree_row_reference_get_path (priv->row_reference);
1492         if (path == NULL)
1493                 return TRUE;
1494
1495         is_last_selected = TRUE;
1496         while (is_last_selected) {
1497                 TnyHeader *header;
1498                 gtk_tree_path_next (path);
1499                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1500                         break;
1501                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1502                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1503                                 &header, -1);
1504                 if (header) {
1505                         if (msg_is_visible (header, priv->is_outbox))
1506                                 is_last_selected = FALSE;
1507                         g_object_unref(G_OBJECT(header));
1508                 }
1509         }
1510         gtk_tree_path_free (path);
1511         return is_last_selected;
1512 }
1513
1514 gboolean
1515 modest_msg_view_window_has_headers_model (ModestMsgViewWindow *window)
1516 {
1517         ModestMsgViewWindowPrivate *priv;
1518
1519         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1520         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1521
1522         return priv->header_model != NULL;
1523 }
1524
1525 gboolean
1526 modest_msg_view_window_is_search_result (ModestMsgViewWindow *window)
1527 {
1528         ModestMsgViewWindowPrivate *priv;
1529
1530         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1531         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1532
1533         return priv->is_search_result;
1534 }
1535
1536 static gboolean
1537 msg_is_visible (TnyHeader *header, gboolean check_outbox)
1538 {
1539         return (!(tny_header_get_flags(header) & TNY_HEADER_FLAG_DELETED)) &&
1540                 ( (!check_outbox) || (modest_tny_all_send_queues_get_msg_status (header) != MODEST_TNY_SEND_QUEUE_FAILED)) ;
1541
1542 }
1543
1544 gboolean
1545 modest_msg_view_window_first_message_selected (ModestMsgViewWindow *window)
1546 {
1547         GtkTreePath *path;
1548         ModestMsgViewWindowPrivate *priv;
1549         gboolean is_first_selected;
1550         GtkTreeIter tmp_iter;
1551 /*      gchar * path_string;*/
1552
1553         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1554         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1555
1556         /*if no model (so no rows at all), then virtually we are the first*/
1557         if (!priv->header_model || !priv->row_reference)
1558                 return TRUE;
1559
1560         path = gtk_tree_row_reference_get_path (priv->row_reference);
1561         if (!path)
1562                 return TRUE;
1563
1564 /*      path_string = gtk_tree_path_to_string (path);
1565         is_first_selected = strcmp (path_string, "0");
1566
1567         g_free (path_string);
1568         gtk_tree_path_free (path);
1569
1570         return is_first_selected;*/
1571
1572         is_first_selected = TRUE;
1573         while (is_first_selected) {
1574                 TnyHeader *header;
1575                 if(!gtk_tree_path_prev (path))
1576                         break;
1577                 /* Here the 'if' is needless for logic, but let make sure
1578                  * iter is valid for gtk_tree_model_get. */
1579                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1580                         break;
1581                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1582                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1583                                 &header, -1);
1584                 if (header) {
1585                         if (msg_is_visible (header, priv->is_outbox))
1586                                 is_first_selected = FALSE;
1587                         g_object_unref(G_OBJECT(header));
1588                 }
1589         }
1590         gtk_tree_path_free (path);
1591         return is_first_selected;
1592 }
1593
1594 /**
1595  * Reads the message whose summary item is @header. It takes care of
1596  * several things, among others:
1597  *
1598  * If the message was not previously downloaded then ask the user
1599  * before downloading. If there is no connection launch the connection
1600  * dialog. Update window dimming rules.
1601  *
1602  * Returns: TRUE if the mail operation was started, otherwise if the
1603  * user do not want to download the message, or if the user do not
1604  * want to connect, then the operation is not issued
1605  **/
1606 static gboolean
1607 message_reader (ModestMsgViewWindow *window,
1608                 ModestMsgViewWindowPrivate *priv,
1609                 TnyHeader *header,
1610                 GtkTreeRowReference *row_reference)
1611 {
1612         ModestMailOperation *mail_op = NULL;
1613         gboolean already_showing = FALSE;
1614         ModestWindow *msg_window = NULL;
1615         ModestWindowMgr *mgr;
1616
1617         g_return_val_if_fail (row_reference != NULL, FALSE);
1618
1619         mgr = modest_runtime_get_window_mgr ();
1620         already_showing = modest_window_mgr_find_registered_header (mgr, header, &msg_window);
1621         if (already_showing && (msg_window != MODEST_WINDOW (window))) {
1622                 gboolean retval;
1623                 if (msg_window)
1624                         gtk_window_present (GTK_WINDOW (msg_window));
1625                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &retval);
1626                 return TRUE;
1627         }
1628
1629         /* Msg download completed */
1630         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)) {
1631                 /* Ask the user if he wants to download the message if
1632                    we're not online */
1633                 if (!tny_device_is_online (modest_runtime_get_device())) {
1634                         TnyFolder *folder = NULL;
1635                         GtkResponseType response;
1636
1637                         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
1638                                                                             _("mcen_nc_get_msg"));
1639                         if (response == GTK_RESPONSE_CANCEL)
1640                                 return FALSE;
1641
1642                         /* Offer the connection dialog if necessary */
1643                         folder = tny_header_get_folder (header);
1644                         if (folder) {
1645                                 if (!modest_platform_connect_and_wait_if_network_folderstore (NULL,
1646                                                                                               TNY_FOLDER_STORE (folder))) {
1647                                         g_object_unref (folder);
1648                                         return FALSE;
1649                                 }
1650                                 g_object_unref (folder);
1651                         }
1652                 }
1653         }
1654
1655         /* New mail operation */
1656         mail_op = modest_mail_operation_new_with_error_handling (G_OBJECT(window),
1657                                                                  modest_ui_actions_get_msgs_full_error_handler,
1658                                                                  NULL, NULL);
1659
1660         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
1661         modest_mail_operation_get_msg (mail_op, header, view_msg_cb, row_reference);
1662         g_object_unref (mail_op);
1663
1664         /* Update window dimming rules */
1665         modest_ui_actions_check_window_dimming_rules (MODEST_WINDOW (window));
1666
1667         return TRUE;
1668 }
1669
1670 gboolean
1671 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
1672 {
1673         ModestMsgViewWindowPrivate *priv;
1674         GtkTreePath *path= NULL;
1675         GtkTreeIter tmp_iter;
1676         TnyHeader *header;
1677         gboolean retval = TRUE;
1678         GtkTreeRowReference *row_reference = NULL;
1679
1680         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1681         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1682
1683         if (!priv->row_reference)
1684                 return FALSE;
1685
1686         /* Update the next row reference if it's not valid. This could
1687            happen if for example the header which it was pointing to,
1688            was deleted. The best place to do it is in the row-deleted
1689            handler but the tinymail model do not work like the glib
1690            tree models and reports the deletion when the row is still
1691            there */
1692         if (!gtk_tree_row_reference_valid (priv->next_row_reference)) {
1693                 if (gtk_tree_row_reference_valid (priv->row_reference)) {
1694                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1695                         select_next_valid_row (priv->header_model, &(priv->next_row_reference), FALSE);
1696                 }
1697         }
1698         if (priv->next_row_reference)
1699                 path = gtk_tree_row_reference_get_path (priv->next_row_reference);
1700         if (path == NULL)
1701                 return FALSE;
1702
1703         row_reference = gtk_tree_row_reference_copy (priv->next_row_reference);
1704
1705         gtk_tree_model_get_iter (priv->header_model,
1706                                  &tmp_iter,
1707                                  path);
1708         gtk_tree_path_free (path);
1709
1710         gtk_tree_model_get (priv->header_model, &tmp_iter,
1711                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1712                             &header, -1);
1713
1714         /* Read the message & show it */
1715         if (!message_reader (window, priv, header, row_reference)) {
1716                 retval = FALSE;
1717                 gtk_tree_row_reference_free (row_reference);
1718         }
1719
1720         /* Free */
1721         g_object_unref (header);
1722
1723         return retval;
1724 }
1725
1726 gboolean
1727 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
1728 {
1729         ModestMsgViewWindowPrivate *priv = NULL;
1730         GtkTreePath *path;
1731         GtkTreeRowReference *row_reference = NULL;
1732
1733         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1734         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1735
1736         /* Return inmediatly if there is no header model */
1737         if (!priv->header_model || !priv->row_reference)
1738                 return FALSE;
1739
1740         path = gtk_tree_row_reference_get_path (priv->row_reference);
1741         while (gtk_tree_path_prev (path)) {
1742                 TnyHeader *header;
1743                 GtkTreeIter iter;
1744
1745                 gtk_tree_model_get_iter (priv->header_model, &iter, path);
1746                 gtk_tree_model_get (priv->header_model, &iter,
1747                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1748                                     &header, -1);
1749                 if (!header)
1750                         break;
1751                 if (!msg_is_visible (header, priv->is_outbox)) {
1752                         g_object_unref (header);
1753                         continue;
1754                 }
1755
1756                 row_reference = gtk_tree_row_reference_new (priv->header_model, path);
1757                 /* Read the message & show it */
1758                 if (!message_reader (window, priv, header, row_reference)) {
1759                         gtk_tree_row_reference_free (row_reference);
1760                         g_object_unref (header);
1761                         break;
1762                 }
1763
1764                 gtk_tree_path_free (path);
1765                 g_object_unref (header);
1766
1767                 return TRUE;
1768         }
1769
1770         gtk_tree_path_free (path);
1771         return FALSE;
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), "ModestClipboardDimmingRules");
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