git.maemo.org Git - modest/blob - src/maemo/modest-msg-view-window.c

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