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 toolbar dimming state */
 477         modest_ui_actions_check_toolbar_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 *menu_rules_group = NULL;
 734         ModestDimmingRulesGroup *toolbar_rules_group = NULL;
 735         ModestDimmingRulesGroup *clipboard_rules_group = NULL;
 736
 737         obj = G_OBJECT (self);
 738         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 739         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 740
 741         priv->msg_uid = g_strdup (msg_uid);
 742
 743         /* Menubar */
 744         parent_priv->menubar = modest_maemo_utils_get_manager_menubar_as_menu (parent_priv->ui_manager, "/MenuBar");
 745         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
 746         gtk_widget_show (parent_priv->menubar);
 747         parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
 748
 749         menu_rules_group = modest_dimming_rules_group_new ("ModestMenuDimmingRules", FALSE);
 750         toolbar_rules_group = modest_dimming_rules_group_new ("ModestToolbarDimmingRules", TRUE);
 751         clipboard_rules_group = modest_dimming_rules_group_new ("ModestClipboardDimmingRules", FALSE);
 752
 753         /* Add common dimming rules */
 754         modest_dimming_rules_group_add_rules (menu_rules_group,
 755                                               modest_msg_view_menu_dimming_entries,
 756                                               G_N_ELEMENTS (modest_msg_view_menu_dimming_entries),
 757                                               MODEST_WINDOW (self));
 758         modest_dimming_rules_group_add_rules (toolbar_rules_group,
 759                                               modest_msg_view_toolbar_dimming_entries,
 760                                               G_N_ELEMENTS (modest_msg_view_toolbar_dimming_entries),
 761                                               MODEST_WINDOW (self));
 762         modest_dimming_rules_group_add_rules (clipboard_rules_group,
 763                                               modest_msg_view_clipboard_dimming_entries,
 764                                               G_N_ELEMENTS (modest_msg_view_clipboard_dimming_entries),
 765                                               MODEST_WINDOW (self));
 766
 767         /* Insert dimming rules group for this window */
 768         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, menu_rules_group);
 769         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, toolbar_rules_group);
 770         modest_ui_dimming_manager_insert_rules_group (parent_priv->ui_dimming_manager, clipboard_rules_group);
 771         g_object_unref (menu_rules_group);
 772         g_object_unref (toolbar_rules_group);
 773         g_object_unref (clipboard_rules_group);
 774
 775         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
 776
 777         /* g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj); */
 778
 779         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);
 780         g_signal_connect (G_OBJECT(priv->msg_view), "activate_link",
 781                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
 782         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
 783                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
 784         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
 785                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
 786         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
 787                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
 788         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
 789                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
 790
 791         g_signal_connect (G_OBJECT (obj), "key-release-event",
 792                           G_CALLBACK (modest_msg_view_window_key_event),
 793                           NULL);
 794
 795         g_signal_connect (G_OBJECT (obj), "key-press-event",
 796                           G_CALLBACK (modest_msg_view_window_key_event),
 797                           NULL);
 798
 799         g_signal_connect (G_OBJECT (obj), "window-state-event",
 800                           G_CALLBACK (modest_msg_view_window_window_state_event),
 801                           NULL);
 802
 803         g_signal_connect (G_OBJECT (obj), "move-focus",
 804                           G_CALLBACK (on_move_focus), obj);
 805
 806         /* Mail Operation Queue */
 807         priv->queue_change_handler = g_signal_connect (G_OBJECT (modest_runtime_get_mail_operation_queue ()),
 808                                                        "queue-changed",
 809                                                        G_CALLBACK (on_queue_changed),
 810                                                        obj);
 811
 812         /* Account manager */
 813         priv->account_removed_handler = g_signal_connect (G_OBJECT (modest_runtime_get_account_store ()),
 814                                                           "account_removed",
 815                                                           G_CALLBACK(on_account_removed),
 816                                                           obj);
 817
 818         modest_window_set_active_account (MODEST_WINDOW(obj), modest_account_name);
 819
 820         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
 821         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
 822         priv->last_search = NULL;
 823
 824         /* Init the clipboard actions dim status */
 825         modest_msg_view_grab_focus(MODEST_MSG_VIEW (priv->msg_view));
 826
 827         gtk_widget_show_all (GTK_WIDGET (obj));
 828         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 829
 830
 831 }
 832
 833 /* FIXME: parameter checks */
 834 ModestWindow *
 835 modest_msg_view_window_new_with_header_model (TnyMsg *msg,
 836                                               const gchar *modest_account_name,
 837                                               const gchar *msg_uid,
 838                                               GtkTreeModel *model,
 839                                               GtkTreeRowReference *row_reference)
 840 {
 841         ModestMsgViewWindow *window = NULL;
 842         ModestMsgViewWindowPrivate *priv = NULL;
 843         TnyFolder *header_folder = NULL;
 844         ModestHeaderView *header_view = NULL;
 845         ModestWindow *main_window = NULL;
 846         ModestWindowMgr *mgr = NULL;
 847
 848         mgr = modest_runtime_get_window_mgr ();
 849         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
 850         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 851
 852         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
 853
 854         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 855
 856         /* Remember the message list's TreeModel so we can detect changes
 857          * and change the list selection when necessary: */
 858
 859         main_window = modest_window_mgr_get_main_window(mgr, FALSE); /* don't create */
 860         if (main_window) {
 861                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget(
 862                                                          MODEST_MAIN_WINDOW(main_window),
 863                                                          MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
 864         }
 865
 866         if (header_view != NULL){
 867                 header_folder = modest_header_view_get_folder(header_view);
 868                 priv->is_outbox = (modest_tny_folder_guess_folder_type (header_folder) == TNY_FOLDER_TYPE_OUTBOX);
 869                 g_assert(header_folder != NULL);
 870                 priv->header_folder_id = tny_folder_get_id(header_folder);
 871                 g_assert(priv->header_folder_id != NULL);
 872                 g_object_unref(header_folder);
 873         }
 874
 875         priv->header_model = g_object_ref(model);
 876         if (row_reference) {
 877                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
 878                 priv->next_row_reference = gtk_tree_row_reference_copy (row_reference);
 879                 select_next_valid_row (model, &(priv->next_row_reference), TRUE);
 880         } else {
 881                 priv->row_reference = NULL;
 882                 priv->next_row_reference = NULL;
 883         }
 884
 885         priv->row_changed_handler = g_signal_connect(
 886                         GTK_TREE_MODEL(model), "row-changed",
 887                         G_CALLBACK(modest_msg_view_window_on_row_changed),
 888                         window);
 889         priv->row_deleted_handler = g_signal_connect(
 890                         GTK_TREE_MODEL(model), "row-deleted",
 891                         G_CALLBACK(modest_msg_view_window_on_row_deleted),
 892                         window);
 893         priv->row_inserted_handler = g_signal_connect (
 894                         GTK_TREE_MODEL(model), "row-inserted",
 895                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
 896                         window);
 897         priv->rows_reordered_handler = g_signal_connect(
 898                         GTK_TREE_MODEL(model), "rows-reordered",
 899                         G_CALLBACK(modest_msg_view_window_on_row_reordered),
 900                         window);
 901
 902         if (header_view != NULL){
 903                 modest_header_view_add_observer(header_view,
 904                                 MODEST_HEADER_VIEW_OBSERVER(window));
 905         }
 906
 907         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 908         update_window_title (MODEST_MSG_VIEW_WINDOW (window));
 909         gtk_widget_show_all (GTK_WIDGET (window));
 910         modest_msg_view_window_update_priority (window);
 911
 912         /* Check toolbar dimming rules */
 913         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
 914         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), "ModestClipboardDimmingRules");
 915
 916         return MODEST_WINDOW(window);
 917 }
 918
 919 ModestWindow *
 920 modest_msg_view_window_new_for_search_result (TnyMsg *msg,
 921                                               const gchar *modest_account_name,
 922                                               const gchar *msg_uid)
 923 {
 924         ModestMsgViewWindow *window = NULL;
 925         ModestMsgViewWindowPrivate *priv = NULL;
 926         ModestWindowMgr *mgr = NULL;
 927
 928         mgr = modest_runtime_get_window_mgr ();
 929         window = MODEST_MSG_VIEW_WINDOW (modest_window_mgr_get_msg_view_window (mgr));
 930         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 931         modest_msg_view_window_construct (window, modest_account_name, msg_uid);
 932
 933         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 934
 935         /* Remember that this is a search result,
 936          * so we can disable some UI appropriately: */
 937         priv->is_search_result = TRUE;
 938
 939         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 940
 941         update_window_title (window);
 942         modest_msg_view_window_update_priority (window);
 943
 944
 945         return MODEST_WINDOW(window);
 946 }
 947
 948 ModestWindow *
 949 modest_msg_view_window_new_for_attachment (TnyMsg *msg,
 950                             const gchar *modest_account_name,
 951                             const gchar *msg_uid)
 952 {
 953         GObject *obj = NULL;
 954         ModestMsgViewWindowPrivate *priv;
 955         ModestWindowMgr *mgr = NULL;
 956
 957         g_return_val_if_fail (msg, NULL);
 958         mgr = modest_runtime_get_window_mgr ();
 959         obj = G_OBJECT (modest_window_mgr_get_msg_view_window (mgr));
 960         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 961         modest_msg_view_window_construct (MODEST_MSG_VIEW_WINDOW (obj),
 962                 modest_account_name, msg_uid);
 963
 964         tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
 965         update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 966
 967         /* Check toolbar dimming rules */
 968         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
 969         modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), "ModestClipboardDimmingRules");
 970
 971         return MODEST_WINDOW(obj);
 972 }
 973
 974 void modest_msg_view_window_on_row_changed(
 975                 GtkTreeModel *header_model,
 976                 GtkTreePath *arg1,
 977                 GtkTreeIter *arg2,
 978                 ModestMsgViewWindow *window){
 979         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
 980 }
 981
 982 void modest_msg_view_window_on_row_deleted(
 983                 GtkTreeModel *header_model,
 984                 GtkTreePath *arg1,
 985                 ModestMsgViewWindow *window){
 986         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
 987 }
 988
 989 /* On insertions we check if the folder still has the message we are
 990  * showing or do not. If do not, we do nothing. Which means we are still
 991  * not attached to any header folder and thus next/prev buttons are
 992  * still dimmed. Once the message that is shown by msg-view is found, the
 993  * new model of header-view will be attached and the references will be set.
 994  * On each further insertions dimming rules will be checked. However
 995  * this requires extra CPU time at least works.
 996  * (An message might be deleted from TnyFolder and thus will not be
 997  * inserted into the model again for example if it is removed by the
 998  * imap server and the header view is refreshed.)
 999  */
1000 void modest_msg_view_window_on_row_inserted(
1001                 GtkTreeModel *new_model,
1002                 GtkTreePath *tree_path,
1003                 GtkTreeIter *tree_iter,
1004                 ModestMsgViewWindow *window){
1005         ModestMsgViewWindowPrivate *priv = NULL;
1006         TnyHeader *header = NULL;
1007         gchar *uid = NULL;
1008
1009         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1010
1011         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1012
1013         /* If we already has a model attached then the message shown by
1014          * msg-view is in it, and thus we do not need any actions but
1015          * to check the dimming rules.*/
1016         if(priv->header_model != NULL){
1017                 if (priv->row_reference) {
1018                         gtk_tree_row_reference_free(priv->next_row_reference);
1019                         priv->next_row_reference = gtk_tree_row_reference_copy(
1020                                 priv->row_reference);
1021                         select_next_valid_row (priv->header_model,
1022                                                &(priv->next_row_reference), FALSE);
1023                 }
1024                 modest_ui_actions_check_toolbar_dimming_rules (
1025                                 MODEST_WINDOW (window));
1026                 return;
1027         }
1028
1029         /* Check if the newly inserted message is the same we are actually
1030          * showing. IF not, we should remain detached from the header model
1031          * and thus prev and next toolbarbuttons should remain dimmed. */
1032         gtk_tree_model_get (new_model, tree_iter,
1033                         TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header, -1);
1034         uid = modest_tny_folder_get_header_unique_id(header);
1035         if(!g_str_equal(priv->msg_uid, uid)){
1036                 g_free(uid);
1037                 g_object_unref(G_OBJECT(header));
1038                 header = NULL;
1039                 return;
1040         }
1041         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1042                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1043         g_object_unref(G_OBJECT(header));
1044         header = NULL;
1045         g_free(uid);
1046
1047         /* Setup row_reference for the actual msg. */
1048         priv->row_reference = gtk_tree_row_reference_new(
1049                         new_model, tree_path);
1050         if(priv->row_reference == NULL){
1051                 g_warning("No reference for msg header item.");
1052                 return;
1053         }
1054
1055         /* Attach new_model and connect some callback to it to become able
1056          * to detect changes in header-view. */
1057         priv->header_model = g_object_ref(new_model);
1058         g_signal_connect (new_model, "row-changed",
1059                         G_CALLBACK (modest_msg_view_window_on_row_changed),
1060                         window);
1061         g_signal_connect (new_model, "row-deleted",
1062                         G_CALLBACK (modest_msg_view_window_on_row_deleted),
1063                         window);
1064         g_signal_connect (new_model, "rows-reordered",
1065                         G_CALLBACK (modest_msg_view_window_on_row_reordered),
1066                         window);
1067
1068         /* Now set up next_row_reference. */
1069         priv->next_row_reference = gtk_tree_row_reference_copy(
1070                         priv->row_reference);
1071         select_next_valid_row (priv->header_model,
1072                         &(priv->next_row_reference), FALSE);
1073
1074         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1075 }
1076
1077 void modest_msg_view_window_on_row_reordered(
1078                 GtkTreeModel *header_model,
1079                 GtkTreePath *arg1,
1080                 GtkTreeIter *arg2,
1081                 gpointer arg3,
1082                 ModestMsgViewWindow *window){
1083         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1084 }
1085
1086 /* The modest_msg_view_window_update_model_replaced implements update
1087  * function for ModestHeaderViewObserver. Checks whether the TnyFolder
1088  * actually belongs to the header-view is the same as the TnyFolder of
1089  * the message of msg-view or not. If they are different, there is
1090  * nothing to do. If they are the same, then the model has replaced and
1091  * the reference in msg-view shall be replaced from the old model to
1092  * the new model. In this case the view will be detached from it's
1093  * header folder. From this point the next/prev buttons are dimmed.
1094  */
1095 void modest_msg_view_window_update_model_replaced(
1096                 ModestHeaderViewObserver *observer,
1097                 GtkTreeModel *model,
1098                 const gchar *tny_folder_id){
1099         ModestMsgViewWindowPrivate *priv = NULL;
1100         ModestMsgViewWindow *window = NULL;
1101
1102         g_assert(MODEST_IS_HEADER_VIEW_OBSERVER(observer));
1103         g_assert(MODEST_IS_MSG_VIEW_WINDOW(observer));
1104
1105         window = MODEST_MSG_VIEW_WINDOW(observer);
1106         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(window);
1107
1108         /* If there is an other folder in the header-view then we do
1109          * not care about it's model (msg list). Else if the
1110          * header-view shows the folder the msg shown by us is in, we
1111          * shall replace our model reference and make some check. */
1112         if(tny_folder_id == NULL || !g_str_equal(tny_folder_id, priv->header_folder_id))
1113                 return;
1114
1115         /* Model is changed(replaced), so we should forget the old
1116          * one. Because there might be other references and there
1117          * might be some change on the model even if we unreferenced
1118          * it, we need to disconnect our signals here. */
1119         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1120                                            priv->row_changed_handler))
1121                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1122                                              priv->row_changed_handler);
1123         priv->row_changed_handler = 0;
1124         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1125                                            priv->row_deleted_handler))
1126                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1127                                              priv->row_deleted_handler);
1128         priv->row_deleted_handler = 0;
1129         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1130                                            priv->row_inserted_handler))
1131                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1132                                              priv->row_inserted_handler);
1133         priv->row_inserted_handler = 0;
1134         if (g_signal_handler_is_connected(G_OBJECT (priv->header_model),
1135                                            priv->rows_reordered_handler))
1136                 g_signal_handler_disconnect(G_OBJECT (priv->header_model),
1137                                              priv->rows_reordered_handler);
1138         priv->rows_reordered_handler = 0;
1139         g_object_unref(priv->header_model);
1140         priv->header_model = NULL;
1141         if (priv->row_reference)
1142                 g_object_unref(priv->row_reference);
1143         priv->row_reference = NULL;
1144         if (priv->next_row_reference)
1145                 g_object_unref(priv->next_row_reference);
1146         priv->next_row_reference = NULL;
1147
1148         modest_ui_actions_check_toolbar_dimming_rules(MODEST_WINDOW(window));
1149
1150         g_assert(model != NULL);
1151
1152         /* Also we must connect to the new model for row insertions.
1153          * Only for insertions now. We will need other ones only after
1154          * the msg is show by msg-view is added to the new model. */
1155         priv->row_inserted_handler = g_signal_connect (
1156                         model, "row-inserted",
1157                         G_CALLBACK(modest_msg_view_window_on_row_inserted),
1158                         window);
1159 }
1160
1161 gboolean
1162 modest_msg_view_window_toolbar_on_transfer_mode     (ModestMsgViewWindow *self)
1163 {
1164         ModestMsgViewWindowPrivate *priv= NULL;
1165
1166         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
1167         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1168
1169         return priv->current_toolbar_mode == TOOLBAR_MODE_TRANSFER;
1170 }
1171
1172 TnyHeader*
1173 modest_msg_view_window_get_header (ModestMsgViewWindow *self)
1174 {
1175         ModestMsgViewWindowPrivate *priv= NULL;
1176         TnyMsg *msg = NULL;
1177         TnyHeader *header = NULL;
1178         GtkTreePath *path = NULL;
1179         GtkTreeIter iter;
1180
1181         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), NULL);
1182         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1183
1184         /* If the message was not obtained from a treemodel,
1185          * for instance if it was opened directly by the search UI:
1186          */
1187         if (priv->header_model == NULL || priv->row_reference == NULL) {
1188                 msg = modest_msg_view_window_get_message (self);
1189                 if (msg) {
1190                         header = tny_msg_get_header (msg);
1191                         g_object_unref (msg);
1192                 }
1193                 return header;
1194         }
1195
1196         /* Get iter of the currently selected message in the header view: */
1197         /* TODO: Why not just give this window a ref of the TnyHeader or TnyMessage,
1198          * instead of sometimes retrieving it from the header view?
1199          * Then we wouldn't be dependent on the message actually still being selected
1200          * in the header view. murrayc. */
1201         if (!gtk_tree_row_reference_valid (priv->row_reference))
1202                 return NULL;
1203         path = gtk_tree_row_reference_get_path (priv->row_reference);
1204         g_return_val_if_fail (path != NULL, NULL);
1205         gtk_tree_model_get_iter (priv->header_model,
1206                                  &iter,
1207                                  path);
1208
1209         /* Get current message header */
1210         gtk_tree_model_get (priv->header_model, &iter,
1211                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1212                             &header, -1);
1213
1214         gtk_tree_path_free (path);
1215         return header;
1216 }
1217
1218 TnyMsg*
1219 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
1220 {
1221         ModestMsgViewWindowPrivate *priv;
1222
1223         g_return_val_if_fail (self, NULL);
1224
1225         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
1226
1227         return tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1228 }
1229
1230 const gchar*
1231 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
1232 {
1233         ModestMsgViewWindowPrivate *priv;
1234
1235         g_return_val_if_fail (self, NULL);
1236
1237         priv  = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1238
1239         return (const gchar*) priv->msg_uid;
1240 }
1241
1242 static void
1243 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
1244                                             gpointer data)
1245 {
1246         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
1247         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1248         ModestWindowPrivate *parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1249         gboolean is_active;
1250         GtkAction *action;
1251
1252         is_active = gtk_toggle_action_get_active (toggle);
1253
1254         if (is_active) {
1255                 gtk_widget_show (priv->find_toolbar);
1256                 hildon_find_toolbar_highlight_entry (HILDON_FIND_TOOLBAR (priv->find_toolbar), TRUE);
1257         } else {
1258                 gtk_widget_hide (priv->find_toolbar);
1259         }
1260
1261         /* update the toggle buttons status */
1262         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1263         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1264         action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ToolsMenu/ToolsFindInMessageMenu");
1265         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action), is_active);
1266
1267 }
1268
1269 static void
1270 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
1271                                            ModestMsgViewWindow *obj)
1272 {
1273         GtkToggleAction *toggle;
1274         ModestWindowPrivate *parent_priv;
1275         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
1276
1277         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
1278         gtk_toggle_action_set_active (toggle, FALSE);
1279 }
1280
1281 static void
1282 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
1283                                            ModestMsgViewWindow *obj)
1284 {
1285         gchar *current_search;
1286         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
1287
1288         if (modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->msg_view))) {
1289                 hildon_banner_show_information (NULL, NULL, _("mail_ib_nothing_to_find"));
1290                 return;
1291         }
1292
1293         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
1294
1295         if ((current_search == NULL) || (strcmp (current_search, "") == 0)) {
1296                 g_free (current_search);
1297                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ecdg_ib_find_rep_enter_text"));
1298                 return;
1299         }
1300
1301         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
1302                 gboolean result;
1303                 g_free (priv->last_search);
1304                 priv->last_search = g_strdup (current_search);
1305                 result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->msg_view),
1306                                                      priv->last_search);
1307                 if (!result) {
1308                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_no_matches"));
1309                         g_free (priv->last_search);
1310                         priv->last_search = NULL;
1311                 } else {
1312                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1313                 }
1314         } else {
1315                 if (!modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->msg_view))) {
1316                         hildon_banner_show_information (NULL, NULL, dgettext("hildon-libs", "ckct_ib_find_search_complete"));
1317                         g_free (priv->last_search);
1318                         priv->last_search = NULL;
1319                 } else {
1320                         modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1321                 }
1322         }
1323
1324         g_free (current_search);
1325
1326 }
1327
1328 static void
1329 modest_msg_view_window_set_zoom (ModestWindow *window,
1330                                  gdouble zoom)
1331 {
1332         ModestMsgViewWindowPrivate *priv;
1333         ModestWindowPrivate *parent_priv;
1334         GtkAction *action = NULL;
1335         gint int_zoom = (gint) rint (zoom*100.0+0.1);
1336
1337         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
1338
1339         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1340         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1341         modest_zoomable_set_zoom (MODEST_ZOOMABLE (priv->msg_view), zoom);
1342
1343         action = gtk_ui_manager_get_action (parent_priv->ui_manager,
1344                                             "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu");
1345
1346         gtk_radio_action_set_current_value (GTK_RADIO_ACTION (action), int_zoom);
1347 }
1348
1349 static gdouble
1350 modest_msg_view_window_get_zoom (ModestWindow *window)
1351 {
1352         ModestMsgViewWindowPrivate *priv;
1353
1354         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
1355
1356         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1357         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->msg_view));
1358 }
1359
1360 static gboolean
1361 modest_msg_view_window_zoom_plus (ModestWindow *window)
1362 {
1363         ModestWindowPrivate *parent_priv;
1364         GtkRadioAction *zoom_radio_action;
1365         GSList *group, *node;
1366
1367         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1368         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
1369                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1370
1371         group = gtk_radio_action_get_group (zoom_radio_action);
1372
1373         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
1374                 hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_max_zoom_level_reached"));
1375                 return FALSE;
1376         }
1377
1378         for (node = group; node != NULL; node = g_slist_next (node)) {
1379                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
1380                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
1381                         return TRUE;
1382                 }
1383         }
1384         return FALSE;
1385 }
1386
1387 static gboolean
1388 modest_msg_view_window_zoom_minus (ModestWindow *window)
1389 {
1390         ModestWindowPrivate *parent_priv;
1391         GtkRadioAction *zoom_radio_action;
1392         GSList *group, *node;
1393
1394         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
1395         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
1396                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
1397
1398         group = gtk_radio_action_get_group (zoom_radio_action);
1399
1400         for (node = group; node != NULL; node = g_slist_next (node)) {
1401                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
1402                         if (node->next != NULL) {
1403                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
1404                                 return TRUE;
1405                         } else {
1406                           hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_min_zoom_level_reached"));
1407                                 return FALSE;
1408                         }
1409                         break;
1410                 }
1411         }
1412         return FALSE;
1413 }
1414
1415 static gboolean
1416 modest_msg_view_window_key_event (GtkWidget *window,
1417                                   GdkEventKey *event,
1418                                   gpointer userdata)
1419 {
1420         GtkWidget *focus;
1421
1422         focus = gtk_window_get_focus (GTK_WINDOW (window));
1423
1424         /* for the find toolbar case */
1425         if (focus && GTK_IS_ENTRY (focus)) {
1426                 if (event->keyval == GDK_BackSpace) {
1427                         GdkEvent *copy;
1428                         copy = gdk_event_copy ((GdkEvent *) event);
1429                         gtk_widget_event (focus, copy);
1430                         gdk_event_free (copy);
1431                         return TRUE;
1432                 } else
1433                         return FALSE;
1434         }
1435         if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1436             event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
1437             event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
1438             event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down ||
1439             event->keyval == GDK_Home || event->keyval == GDK_KP_Home ||
1440             event->keyval == GDK_End || event->keyval == GDK_KP_End) {
1441                 ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1442                 gboolean return_value;
1443
1444                 if (event->type == GDK_KEY_RELEASE) {
1445                         GtkScrollType scroll_type;
1446
1447                         switch (event->keyval) {
1448                         case GDK_Up:
1449                         case GDK_KP_Up:
1450                                 scroll_type = GTK_SCROLL_STEP_UP; break;
1451                         case GDK_Down:
1452                         case GDK_KP_Down:
1453                                 scroll_type = GTK_SCROLL_STEP_DOWN; break;
1454                         case GDK_Page_Up:
1455                         case GDK_KP_Page_Up:
1456                                 scroll_type = GTK_SCROLL_PAGE_UP; break;
1457                         case GDK_Page_Down:
1458                         case GDK_KP_Page_Down:
1459                                 scroll_type = GTK_SCROLL_PAGE_DOWN; break;
1460                         case GDK_Home:
1461                         case GDK_KP_Home:
1462                                 scroll_type = GTK_SCROLL_START; break;
1463                         case GDK_End:
1464                         case GDK_KP_End:
1465                                 scroll_type = GTK_SCROLL_END; break;
1466                         default: scroll_type = GTK_SCROLL_NONE;
1467                         }
1468
1469                         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child",
1470                                                scroll_type, FALSE, &return_value);
1471                         return TRUE;
1472                 } else {
1473                         return FALSE;
1474                 }
1475         } else {
1476                 return FALSE;
1477         }
1478 }
1479
1480 gboolean
1481 modest_msg_view_window_last_message_selected (ModestMsgViewWindow *window)
1482 {
1483         GtkTreePath *path;
1484         ModestMsgViewWindowPrivate *priv;
1485         GtkTreeIter tmp_iter;
1486         gboolean is_last_selected;
1487
1488         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1489         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1490
1491         /*if no model (so no rows at all), then virtually we are the last*/
1492         if (!priv->header_model || !priv->row_reference)
1493                 return TRUE;
1494
1495         path = gtk_tree_row_reference_get_path (priv->row_reference);
1496         if (path == NULL)
1497                 return TRUE;
1498
1499         is_last_selected = TRUE;
1500         while (is_last_selected) {
1501                 TnyHeader *header;
1502                 gtk_tree_path_next (path);
1503                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1504                         break;
1505                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1506                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1507                                 &header, -1);
1508                 if (header) {
1509                         if (msg_is_visible (header, priv->is_outbox))
1510                                 is_last_selected = FALSE;
1511                         g_object_unref(G_OBJECT(header));
1512                 }
1513         }
1514         gtk_tree_path_free (path);
1515         return is_last_selected;
1516 }
1517
1518 gboolean
1519 modest_msg_view_window_has_headers_model (ModestMsgViewWindow *window)
1520 {
1521         ModestMsgViewWindowPrivate *priv;
1522
1523         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1524         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1525
1526         return priv->header_model != NULL;
1527 }
1528
1529 gboolean
1530 modest_msg_view_window_is_search_result (ModestMsgViewWindow *window)
1531 {
1532         ModestMsgViewWindowPrivate *priv;
1533
1534         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1535         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1536
1537         return priv->is_search_result;
1538 }
1539
1540 static gboolean
1541 msg_is_visible (TnyHeader *header, gboolean check_outbox)
1542 {
1543         return (!(tny_header_get_flags(header) & TNY_HEADER_FLAG_DELETED)) &&
1544                 ( (!check_outbox) || (modest_tny_all_send_queues_get_msg_status (header) != MODEST_TNY_SEND_QUEUE_FAILED)) ;
1545
1546 }
1547
1548 gboolean
1549 modest_msg_view_window_first_message_selected (ModestMsgViewWindow *window)
1550 {
1551         GtkTreePath *path;
1552         ModestMsgViewWindowPrivate *priv;
1553         gboolean is_first_selected;
1554         GtkTreeIter tmp_iter;
1555 /*      gchar * path_string;*/
1556
1557         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
1558         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1559
1560         /*if no model (so no rows at all), then virtually we are the first*/
1561         if (!priv->header_model || !priv->row_reference)
1562                 return TRUE;
1563
1564         path = gtk_tree_row_reference_get_path (priv->row_reference);
1565         if (!path)
1566                 return TRUE;
1567
1568 /*      path_string = gtk_tree_path_to_string (path);
1569         is_first_selected = strcmp (path_string, "0");
1570
1571         g_free (path_string);
1572         gtk_tree_path_free (path);
1573
1574         return is_first_selected;*/
1575
1576         is_first_selected = TRUE;
1577         while (is_first_selected) {
1578                 TnyHeader *header;
1579                 if(!gtk_tree_path_prev (path))
1580                         break;
1581                 /* Here the 'if' is needless for logic, but let make sure
1582                  * iter is valid for gtk_tree_model_get. */
1583                 if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
1584                         break;
1585                 gtk_tree_model_get (priv->header_model, &tmp_iter,
1586                                 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1587                                 &header, -1);
1588                 if (header) {
1589                         if (msg_is_visible (header, priv->is_outbox))
1590                                 is_first_selected = FALSE;
1591                         g_object_unref(G_OBJECT(header));
1592                 }
1593         }
1594         gtk_tree_path_free (path);
1595         return is_first_selected;
1596 }
1597
1598 /**
1599  * Reads the message whose summary item is @header. It takes care of
1600  * several things, among others:
1601  *
1602  * If the message was not previously downloaded then ask the user
1603  * before downloading. If there is no connection launch the connection
1604  * dialog. Update toolbar dimming rules.
1605  *
1606  * Returns: TRUE if the mail operation was started, otherwise if the
1607  * user do not want to download the message, or if the user do not
1608  * want to connect, then the operation is not issued
1609  **/
1610 static gboolean
1611 message_reader (ModestMsgViewWindow *window,
1612                 ModestMsgViewWindowPrivate *priv,
1613                 TnyHeader *header,
1614                 GtkTreeRowReference *row_reference)
1615 {
1616         ModestMailOperation *mail_op = NULL;
1617         gboolean already_showing = FALSE;
1618         ModestWindow *msg_window = NULL;
1619         ModestWindowMgr *mgr;
1620
1621         g_return_val_if_fail (row_reference != NULL, FALSE);
1622
1623         mgr = modest_runtime_get_window_mgr ();
1624         already_showing = modest_window_mgr_find_registered_header (mgr, header, &msg_window);
1625         if (already_showing && (msg_window != MODEST_WINDOW (window))) {
1626                 gboolean retval;
1627                 if (msg_window)
1628                         gtk_window_present (GTK_WINDOW (msg_window));
1629                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &retval);
1630                 return TRUE;
1631         }
1632
1633         /* Msg download completed */
1634         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_CACHED)) {
1635                 /* Ask the user if he wants to download the message if
1636                    we're not online */
1637                 if (!tny_device_is_online (modest_runtime_get_device())) {
1638                         TnyFolder *folder = NULL;
1639                         GtkResponseType response;
1640
1641                         response = modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
1642                                                                             _("mcen_nc_get_msg"));
1643                         if (response == GTK_RESPONSE_CANCEL)
1644                                 return FALSE;
1645
1646                         /* Offer the connection dialog if necessary */
1647                         folder = tny_header_get_folder (header);
1648                         if (folder) {
1649                                 if (!modest_platform_connect_and_wait_if_network_folderstore (NULL,
1650                                                                                               TNY_FOLDER_STORE (folder))) {
1651                                         g_object_unref (folder);
1652                                         return FALSE;
1653                                 }
1654                                 g_object_unref (folder);
1655                         }
1656                 }
1657         }
1658
1659         /* New mail operation */
1660         mail_op = modest_mail_operation_new_with_error_handling (G_OBJECT(window),
1661                                                                  modest_ui_actions_get_msgs_full_error_handler,
1662                                                                  NULL, NULL);
1663
1664         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
1665         modest_mail_operation_get_msg (mail_op, header, view_msg_cb, row_reference);
1666         g_object_unref (mail_op);
1667
1668         /* Update toolbar dimming rules */
1669         modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
1670
1671         return TRUE;
1672 }
1673
1674 gboolean
1675 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
1676 {
1677         ModestMsgViewWindowPrivate *priv;
1678         GtkTreePath *path= NULL;
1679         GtkTreeIter tmp_iter;
1680         TnyHeader *header;
1681         gboolean retval = TRUE;
1682         GtkTreeRowReference *row_reference = NULL;
1683
1684         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1685         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1686
1687         if (!priv->row_reference)
1688                 return FALSE;
1689
1690         /* Update the next row reference if it's not valid. This could
1691            happen if for example the header which it was pointing to,
1692            was deleted. The best place to do it is in the row-deleted
1693            handler but the tinymail model do not work like the glib
1694            tree models and reports the deletion when the row is still
1695            there */
1696         if (!gtk_tree_row_reference_valid (priv->next_row_reference)) {
1697                 if (gtk_tree_row_reference_valid (priv->row_reference)) {
1698                         priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1699                         select_next_valid_row (priv->header_model, &(priv->next_row_reference), FALSE);
1700                 }
1701         }
1702         if (priv->next_row_reference)
1703                 path = gtk_tree_row_reference_get_path (priv->next_row_reference);
1704         if (path == NULL)
1705                 return FALSE;
1706
1707         row_reference = gtk_tree_row_reference_copy (priv->next_row_reference);
1708
1709         gtk_tree_model_get_iter (priv->header_model,
1710                                  &tmp_iter,
1711                                  path);
1712         gtk_tree_path_free (path);
1713
1714         gtk_tree_model_get (priv->header_model, &tmp_iter,
1715                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1716                             &header, -1);
1717
1718         /* Read the message & show it */
1719         if (!message_reader (window, priv, header, row_reference)) {
1720                 retval = FALSE;
1721                 gtk_tree_row_reference_free (row_reference);
1722         }
1723
1724         /* Free */
1725         g_object_unref (header);
1726
1727         return retval;
1728 }
1729
1730 gboolean
1731 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
1732 {
1733         ModestMsgViewWindowPrivate *priv = NULL;
1734         GtkTreePath *path;
1735         gboolean finished = FALSE;
1736         gboolean retval = FALSE;
1737
1738         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
1739         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1740
1741         /* Return inmediatly if there is no header model */
1742         if (!priv->header_model || !priv->row_reference)
1743                 return FALSE;
1744
1745         path = gtk_tree_row_reference_get_path (priv->row_reference);
1746         while (!finished && gtk_tree_path_prev (path)) {
1747                 TnyHeader *header;
1748                 GtkTreeIter iter;
1749
1750                 gtk_tree_model_get_iter (priv->header_model, &iter, path);
1751                 gtk_tree_model_get (priv->header_model, &iter,
1752                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1753                                     &header, -1);
1754                 finished = TRUE;
1755                 if (header) {
1756                         if (msg_is_visible (header, priv->is_outbox)) {
1757                                 GtkTreeRowReference *row_reference;
1758                                 row_reference = gtk_tree_row_reference_new (priv->header_model, path);
1759                                 /* Read the message & show it */
1760                                 retval = message_reader (window, priv, header, row_reference);
1761                                 if (!retval)
1762                                         gtk_tree_row_reference_free (row_reference);
1763                         } else {
1764                                 finished = FALSE;
1765                         }
1766                         g_object_unref (header);
1767                 }
1768         }
1769
1770         gtk_tree_path_free (path);
1771         return retval;
1772 }
1773
1774 static void
1775 view_msg_cb (ModestMailOperation *mail_op,
1776              TnyHeader *header,
1777              gboolean canceled,
1778              TnyMsg *msg,
1779              GError *error,
1780              gpointer user_data)
1781 {
1782         ModestMsgViewWindow *self = NULL;
1783         ModestMsgViewWindowPrivate *priv = NULL;
1784         GtkTreeRowReference *row_reference = NULL;
1785
1786         if (canceled) {
1787                 g_object_unref (self);
1788                 return;
1789         }
1790
1791         /* If there was any error */
1792         row_reference = (GtkTreeRowReference *) user_data;
1793         if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg)) {
1794                 gtk_tree_row_reference_free (row_reference);
1795                 return;
1796         }
1797
1798         /* Get the window */
1799         self = (ModestMsgViewWindow *) modest_mail_operation_get_source (mail_op);
1800         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
1801         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1802
1803         /* Update the row reference */
1804         if (priv->row_reference != NULL) {
1805                 gtk_tree_row_reference_free (priv->row_reference);
1806                 priv->row_reference = gtk_tree_row_reference_copy (row_reference);
1807                 priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
1808                 select_next_valid_row (priv->header_model, &(priv->next_row_reference), TRUE);
1809                 gtk_tree_row_reference_free (row_reference);
1810         }
1811
1812         /* Mark header as read */
1813         if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
1814                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
1815
1816         /* Set new message */
1817         if (priv->msg_view != NULL && TNY_IS_MSG_VIEW (priv->msg_view)) {
1818                 tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
1819                 modest_msg_view_window_update_priority (self);
1820                 update_window_title (MODEST_MSG_VIEW_WINDOW (self));
1821                 modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
1822         }
1823
1824         /* Set the new message uid of the window  */
1825         if (priv->msg_uid) {
1826                 g_free (priv->msg_uid);
1827                 priv->msg_uid = modest_tny_folder_get_header_unique_id (header);
1828         }
1829
1830         /* Notify the observers */
1831         g_signal_emit (G_OBJECT (self), signals[MSG_CHANGED_SIGNAL],
1832                        0, priv->header_model, priv->row_reference);
1833
1834         /* Free new references */
1835         g_object_unref (self);
1836 }
1837
1838 TnyFolderType
1839 modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window)
1840 {
1841         ModestMsgViewWindowPrivate *priv;
1842         TnyMsg *msg;
1843         TnyFolderType folder_type;
1844
1845         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1846
1847         folder_type = TNY_FOLDER_TYPE_UNKNOWN;
1848
1849         msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1850         if (msg) {
1851                 TnyFolder *folder;
1852
1853                 folder = tny_msg_get_folder (msg);
1854                 if (folder) {
1855                         folder_type = tny_folder_get_folder_type (folder);
1856                         g_object_unref (folder);
1857                 }
1858                 g_object_unref (msg);
1859         }
1860
1861         return folder_type;
1862 }
1863
1864
1865 static void
1866 modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
1867 {
1868         ModestMsgViewWindowPrivate *priv;
1869         TnyHeader *header = NULL;
1870         TnyHeaderFlags flags = 0;
1871
1872         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
1873
1874         if (priv->header_model && priv->row_reference) {
1875                 GtkTreeIter iter;
1876                 GtkTreePath *path = NULL;
1877
1878                 path = gtk_tree_row_reference_get_path (priv->row_reference);
1879                 g_return_if_fail (path != NULL);
1880                 gtk_tree_model_get_iter (priv->header_model,
1881                                          &iter,
1882                                          gtk_tree_row_reference_get_path (priv->row_reference));
1883
1884                 gtk_tree_model_get (priv->header_model, &iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1885                                     &header, -1);
1886                 gtk_tree_path_free (path);
1887         } else {
1888                 TnyMsg *msg;
1889                 msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
1890                 if (msg) {
1891                         header = tny_msg_get_header (msg);
1892                         g_object_unref (msg);
1893                 }
1894         }
1895
1896         if (header) {
1897                 flags = tny_header_get_flags (header);
1898                 g_object_unref(G_OBJECT(header));
1899         }
1900
1901         modest_msg_view_set_priority (MODEST_MSG_VIEW(priv->msg_view), flags);
1902
1903 }
1904
1905 static void
1906 toolbar_resize (ModestMsgViewWindow *self)
1907 {
1908         ModestMsgViewWindowPrivate *priv = NULL;
1909         ModestWindowPrivate *parent_priv = NULL;
1910         GtkWidget *widget;
1911         gint static_button_size;
1912         ModestWindowMgr *mgr;
1913
1914         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
1915         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
1916         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
1917
1918         mgr = modest_runtime_get_window_mgr ();
1919         static_button_size = modest_window_mgr_get_fullscreen_mode (mgr)?118:108;
1920
1921         if (parent_priv->toolbar) {
1922                 /* left size buttons */
1923                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
1924                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1925                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1926                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1927                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageMoveTo");
1928                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1929                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1930                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1931                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarDeleteMessage");
1932                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1933                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1934                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1935                 widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/FindInMessage");
1936                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
1937                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
1938                 gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
1939
1940                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
1941                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
1942                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
1943                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
1944                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
1945                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
1946                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
1947                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
1948         }
1949
1950 }
1951
1952 static gboolean
1953 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
1954 {
1955         if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
1956                 ModestWindowPrivate *parent_priv;
1957                 ModestWindowMgr *mgr;
1958                 gboolean is_fullscreen;
1959                 GtkAction *fs_toggle_action;
1960                 gboolean active;
1961
1962                 mgr = modest_runtime_get_window_mgr ();
1963                 is_fullscreen = (modest_window_mgr_get_fullscreen_mode (mgr))?1:0;
1964
1965                 parent_priv = MODEST_WINDOW_GET_PRIVATE (widget);
1966
1967                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
1968                 active = (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)))?1:0;
1969                 if (is_fullscreen != active) {
1970                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
1971                 }
1972                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (widget));
1973         }
1974
1975         return FALSE;
1976
1977 }
1978
1979 static void
1980 modest_msg_view_window_show_toolbar (ModestWindow *self,
1981                                      gboolean show_toolbar)
1982 {
1983         ModestMsgViewWindowPrivate *priv = NULL;
1984         ModestWindowPrivate *parent_priv;
1985         GtkWidget *reply_button = NULL, *menu = NULL;
1986         GtkWidget *placeholder = NULL;
1987         gint insert_index;
1988         const gchar *action_name;
1989         GtkAction *action;
1990
1991         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
1992         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
1993
1994         /* Set optimized view status */
1995         priv->optimized_view = !show_toolbar;
1996
1997         if (!parent_priv->toolbar) {
1998                 parent_priv->toolbar = gtk_ui_manager_get_widget (parent_priv->ui_manager,
1999                                                                   "/ToolBar");
2000                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2001
2002                 priv->progress_toolitem = GTK_WIDGET (gtk_tool_item_new ());
2003                 priv->cancel_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarCancel");
2004                 priv->next_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageNext");
2005                 priv->prev_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
2006                 toolbar_resize (MODEST_MSG_VIEW_WINDOW (self));
2007
2008                 /* Add ProgressBar (Transfer toolbar) */
2009                 priv->progress_bar = modest_progress_bar_widget_new ();
2010                 gtk_widget_set_no_show_all (priv->progress_bar, TRUE);
2011                 placeholder = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ProgressbarView");
2012                 insert_index = gtk_toolbar_get_item_index(GTK_TOOLBAR (parent_priv->toolbar), GTK_TOOL_ITEM(placeholder));
2013                 gtk_container_add (GTK_CONTAINER (priv->progress_toolitem), priv->progress_bar);
2014                 gtk_toolbar_insert(GTK_TOOLBAR(parent_priv->toolbar), GTK_TOOL_ITEM (priv->progress_toolitem), insert_index);
2015
2016                 /* Connect cancel 'clicked' signal to abort progress mode */
2017                 g_signal_connect(priv->cancel_toolitem, "clicked",
2018                                  G_CALLBACK(cancel_progressbar),
2019                                  self);
2020
2021                 /* Add it to the observers list */
2022                 priv->progress_widgets = g_slist_prepend(priv->progress_widgets, priv->progress_bar);
2023
2024                 /* Add to window */
2025                 hildon_window_add_toolbar (HILDON_WINDOW (self),
2026                                            GTK_TOOLBAR (parent_priv->toolbar));
2027
2028                 /* Set reply button tap and hold menu */
2029                 reply_button = gtk_ui_manager_get_widget (parent_priv->ui_manager,
2030                                                           "/ToolBar/ToolbarMessageReply");
2031                 menu = gtk_ui_manager_get_widget (parent_priv->ui_manager,
2032                                                   "/ToolbarReplyCSM");
2033                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (reply_button), menu, NULL, 0);
2034         }
2035
2036         if (show_toolbar) {
2037                 /* Quick hack: this prevents toolbar icons "dance" when progress bar show status is changed */
2038                 /* TODO: resize mode migth be GTK_RESIZE_QUEUE, in order to avoid unneccesary shows */
2039                 gtk_container_set_resize_mode (GTK_CONTAINER(parent_priv->toolbar), GTK_RESIZE_IMMEDIATE);
2040
2041                 gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
2042                 if (modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (self)))
2043                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_TRANSFER);
2044                 else
2045                         set_toolbar_mode (MODEST_MSG_VIEW_WINDOW (self), TOOLBAR_MODE_NORMAL);
2046
2047         } else {
2048                 gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
2049                 gtk_widget_hide (GTK_WIDGET (parent_priv->toolbar));
2050         }
2051
2052         /* Update also the actions (to update the toggles in the
2053            menus), we have to do it manually because some other window
2054            of the same time could have changed it (remember that the
2055            toolbar fullscreen mode is shared by all the windows of the
2056            same type */
2057         if (modest_window_mgr_get_fullscreen_mode (modest_runtime_get_window_mgr ()))
2058                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarFullScreenMenu";
2059         else
2060                 action_name = "/MenuBar/ViewMenu/ViewShowToolbarMenu/ViewShowToolbarNormalScreenMenu";
2061
2062         action = gtk_ui_manager_get_action (parent_priv->ui_manager, action_name);
2063         modest_utils_toggle_action_set_active_block_notify (GTK_TOGGLE_ACTION (action),
2064                                                             show_toolbar);
2065 }
2066
2067 static void
2068 modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
2069                                                GdkEvent *event,
2070                                                ModestMsgViewWindow *window)
2071 {
2072         if (!GTK_WIDGET_VISIBLE (window))
2073                 return;
2074
2075         modest_window_check_dimming_rules_group (MODEST_WINDOW (window), "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