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-header.h>
  34 #include "modest-platform.h"
  35 #include <modest-tny-msg.h>
  36 #include <modest-msg-view-window.h>
  37 #include <modest-main-window-ui.h>
  38 #include <modest-widget-memory.h>
  39 #include <modest-runtime.h>
  40 #include <modest-window-priv.h>
  41 #include <modest-tny-folder.h>
  42 #include "modest-hildon-includes.h"
  43 #include <gtkhtml/gtkhtml-search.h>
  44 #include <gdk/gdkkeysyms.h>
  45
  46 static void  modest_msg_view_window_class_init   (ModestMsgViewWindowClass *klass);
  47 static void  modest_msg_view_window_init         (ModestMsgViewWindow *obj);
  48 static void  modest_msg_view_window_finalize     (GObject *obj);
  49 static void  modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *obj,
  50                                                          gpointer data);
  51 static void  modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
  52                                                         ModestMsgViewWindow *obj);
  53 static void  modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
  54                                                         ModestMsgViewWindow *obj);
  55
  56 static void  modest_msg_view_window_set_zoom (ModestWindow *window,
  57                                               gdouble zoom);
  58 static gdouble modest_msg_view_window_get_zoom (ModestWindow *window);
  59 static gboolean modest_msg_view_window_zoom_minus (ModestWindow *window);
  60 static gboolean modest_msg_view_window_zoom_plus (ModestWindow *window);
  61 static gboolean modest_msg_view_window_key_release_event (GtkWidget *window,
  62                                                           GdkEventKey *event,
  63                                                           gpointer userdata);
  64 static gboolean modest_msg_view_window_window_state_event (GtkWidget *widget,
  65                                                            GdkEventWindowState *event,
  66                                                            gpointer userdata);
  67 static void modest_msg_view_window_scroll_up (ModestWindow *window);
  68 static void modest_msg_view_window_scroll_down (ModestWindow *window);
  69 static gboolean modest_msg_view_window_is_last_message (ModestMsgViewWindow *window);
  70 static gboolean modest_msg_view_window_is_first_message (ModestMsgViewWindow *window);
  71 static TnyFolderType modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window);
  72 static void modest_msg_view_window_update_dimmed (ModestMsgViewWindow *window);
  73 static void modest_msg_view_window_update_priority (ModestMsgViewWindow *window);
  74
  75 static void modest_msg_view_window_show_toolbar   (ModestWindow *window,
  76                                                    gboolean show_toolbar);
  77
  78
  79 /* list my signals */
  80 enum {
  81         /* MY_SIGNAL_1, */
  82         /* MY_SIGNAL_2, */
  83         LAST_SIGNAL
  84 };
  85
  86 static const GtkToggleActionEntry msg_view_toggle_action_entries [] = {
  87         { "FindInMessage",    GTK_STOCK_FIND,    N_("qgn_toolb_gene_find"), NULL, NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
  88 };
  89
  90 static const GtkRadioActionEntry msg_view_zoom_action_entries [] = {
  91         { "Zoom50", NULL, N_("mcen_me_viewer_50"), NULL, NULL, 50 },
  92         { "Zoom80", NULL, N_("mcen_me_viewer_80"), NULL, NULL, 80 },
  93         { "Zoom100", NULL, N_("mcen_me_viewer_100"), NULL, NULL, 100 },
  94         { "Zoom120", NULL, N_("mcen_me_viewer_120"), NULL, NULL, 120 },
  95         { "Zoom150", NULL, N_("mcen_me_viewer_150"), NULL, NULL, 150 },
  96         { "Zoom200", NULL, N_("mcen_me_viewer_200"), NULL, NULL, 200 }
  97 };
  98
  99 typedef struct _ModestMsgViewWindowPrivate ModestMsgViewWindowPrivate;
 100 struct _ModestMsgViewWindowPrivate {
 101
 102         GtkWidget   *msg_view;
 103         GtkWidget   *main_scroll;
 104         GtkWidget   *find_toolbar;
 105         gchar       *last_search;
 106
 107         GtkTreeModel *header_model;
 108         GtkTreeIter   iter;
 109 };
 110
 111 #define MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 112                                                     MODEST_TYPE_MSG_VIEW_WINDOW, \
 113                                                     ModestMsgViewWindowPrivate))
 114 /* globals */
 115 static GtkWindowClass *parent_class = NULL;
 116
 117 /* uncomment the following if you have defined any signals */
 118 /* static guint signals[LAST_SIGNAL] = {0}; */
 119
 120 GType
 121 modest_msg_view_window_get_type (void)
 122 {
 123         static GType my_type = 0;
 124         if (!my_type) {
 125                 static const GTypeInfo my_info = {
 126                         sizeof(ModestMsgViewWindowClass),
 127                         NULL,           /* base init */
 128                         NULL,           /* base finalize */
 129                         (GClassInitFunc) modest_msg_view_window_class_init,
 130                         NULL,           /* class finalize */
 131                         NULL,           /* class data */
 132                         sizeof(ModestMsgViewWindow),
 133                         1,              /* n_preallocs */
 134                         (GInstanceInitFunc) modest_msg_view_window_init,
 135                         NULL
 136                 };
 137                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 138                                                   "ModestMsgViewWindow",
 139                                                   &my_info, 0);
 140         }
 141         return my_type;
 142 }
 143
 144 static void
 145 modest_msg_view_window_class_init (ModestMsgViewWindowClass *klass)
 146 {
 147         GObjectClass *gobject_class;
 148         ModestWindowClass *modest_window_class;
 149         gobject_class = (GObjectClass*) klass;
 150         modest_window_class = (ModestWindowClass *) klass;
 151
 152         parent_class            = g_type_class_peek_parent (klass);
 153         gobject_class->finalize = modest_msg_view_window_finalize;
 154
 155         modest_window_class->set_zoom_func = modest_msg_view_window_set_zoom;
 156         modest_window_class->get_zoom_func = modest_msg_view_window_get_zoom;
 157         modest_window_class->zoom_minus_func = modest_msg_view_window_zoom_minus;
 158         modest_window_class->zoom_plus_func = modest_msg_view_window_zoom_plus;
 159         modest_window_class->show_toolbar_func = modest_msg_view_window_show_toolbar;
 160
 161         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewWindowPrivate));
 162 }
 163
 164 static void
 165 modest_msg_view_window_init (ModestMsgViewWindow *obj)
 166 {
 167         ModestMsgViewWindowPrivate *priv;
 168         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 169
 170         priv->msg_view      = NULL;
 171         priv->header_model  = NULL;
 172 }
 173
 174 static void
 175 save_settings (ModestMsgViewWindow *self)
 176 {
 177         modest_widget_memory_save (modest_runtime_get_conf (),
 178                                     G_OBJECT(self), "modest-msg-view-window");
 179 }
 180
 181
 182 static void
 183 restore_settings (ModestMsgViewWindow *self)
 184 {
 185         modest_widget_memory_restore (modest_runtime_get_conf (),
 186                                       G_OBJECT(self), "modest-msg-view-window");
 187 }
 188
 189
 190
 191 static GtkWidget *
 192 menubar_to_menu (GtkUIManager *ui_manager)
 193 {
 194         GtkWidget *main_menu;
 195         GtkWidget *menubar;
 196         GList *iter;
 197
 198         /* Create new main menu */
 199         main_menu = gtk_menu_new();
 200
 201         /* Get the menubar from the UI manager */
 202         menubar = gtk_ui_manager_get_widget (ui_manager, "/MenuBar");
 203
 204         iter = gtk_container_get_children (GTK_CONTAINER (menubar));
 205         while (iter) {
 206                 GtkWidget *menu;
 207
 208                 menu = GTK_WIDGET (iter->data);
 209                 gtk_widget_reparent(menu, main_menu);
 210
 211                 iter = g_list_next (iter);
 212         }
 213         return main_menu;
 214 }
 215
 216 static void
 217 init_window (ModestMsgViewWindow *obj, TnyMsg *msg)
 218 {
 219         GtkWidget *main_vbox;
 220         ModestMsgViewWindowPrivate *priv;
 221         ModestWindowPrivate *parent_priv;
 222
 223         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 224         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 225
 226         priv->msg_view = modest_msg_view_new (msg);
 227         modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
 228         main_vbox = gtk_vbox_new  (FALSE, 6);
 229
 230         /* Menubar */
 231         parent_priv->menubar = menubar_to_menu (parent_priv->ui_manager);
 232         gtk_widget_show_all (GTK_WIDGET(parent_priv->menubar));
 233         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
 234
 235         priv->main_scroll = gtk_scrolled_window_new (NULL, NULL);
 236         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 237         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_SHADOW_NONE);
 238
 239         gtk_container_add (GTK_CONTAINER (priv->main_scroll), priv->msg_view);
 240         gtk_box_pack_start (GTK_BOX(main_vbox), priv->main_scroll, TRUE, TRUE, 0);
 241         gtk_container_add   (GTK_CONTAINER(obj), main_vbox);
 242
 243         priv->find_toolbar = hildon_find_toolbar_new (NULL);
 244         gtk_widget_set_no_show_all (priv->find_toolbar, TRUE);
 245         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
 246         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
 247
 248         gtk_widget_show_all (GTK_WIDGET(main_vbox));
 249         gtk_box_pack_end (GTK_BOX (main_vbox), priv->find_toolbar, FALSE, FALSE, 0);
 250 }
 251
 252
 253 static void
 254 modest_msg_view_window_finalize (GObject *obj)
 255 {
 256         ModestMsgViewWindowPrivate *priv;
 257
 258         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 259         if (priv->header_model != NULL) {
 260                 g_object_unref (priv->header_model);
 261                 priv->header_model = NULL;
 262         }
 263
 264         G_OBJECT_CLASS(parent_class)->finalize (obj);
 265 }
 266
 267
 268
 269 static gboolean
 270 on_delete_event (GtkWidget *widget, GdkEvent *event, ModestMsgViewWindow *self)
 271 {
 272         save_settings (self);
 273         return FALSE;
 274 }
 275
 276 ModestWindow *
 277 modest_msg_view_window_new_with_header_model (TnyMsg *msg, const gchar *account_name,
 278                                               GtkTreeModel *model, GtkTreeIter iter)
 279 {
 280         ModestMsgViewWindow *window = NULL;
 281         ModestMsgViewWindowPrivate *priv = NULL;
 282
 283         window = MODEST_MSG_VIEW_WINDOW(modest_msg_view_window_new (msg, account_name));
 284         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 285
 286         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 287
 288         g_object_ref (model);
 289         priv->header_model = model;
 290         priv->iter = iter;
 291
 292         modest_msg_view_window_update_priority (window);
 293
 294         modest_msg_view_window_update_dimmed (window);
 295
 296         return MODEST_WINDOW(window);
 297 }
 298
 299
 300 ModestWindow *
 301 modest_msg_view_window_new (TnyMsg *msg, const gchar *account_name)
 302 {
 303         GObject *obj;
 304         ModestMsgViewWindowPrivate *priv;
 305         ModestWindowPrivate *parent_priv;
 306         GtkActionGroup *action_group;
 307         GError *error = NULL;
 308         GdkPixbuf *window_icon = NULL;
 309
 310         g_return_val_if_fail (msg, NULL);
 311
 312         obj = g_object_new(MODEST_TYPE_MSG_VIEW_WINDOW, NULL);
 313         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 314         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 315
 316         parent_priv->ui_manager = gtk_ui_manager_new();
 317         action_group = gtk_action_group_new ("ModestMsgViewWindowActions");
 318         gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
 319
 320         /* Add common actions */
 321         gtk_action_group_add_actions (action_group,
 322                                       modest_action_entries,
 323                                       G_N_ELEMENTS (modest_action_entries),
 324                                       obj);
 325         gtk_action_group_add_toggle_actions (action_group,
 326                                              modest_toggle_action_entries,
 327                                              G_N_ELEMENTS (modest_toggle_action_entries),
 328                                              obj);
 329         gtk_action_group_add_toggle_actions (action_group,
 330                                              msg_view_toggle_action_entries,
 331                                              G_N_ELEMENTS (msg_view_toggle_action_entries),
 332                                              obj);
 333         gtk_action_group_add_radio_actions (action_group,
 334                                             msg_view_zoom_action_entries,
 335                                             G_N_ELEMENTS (msg_view_zoom_action_entries),
 336                                             100,
 337                                             G_CALLBACK (modest_ui_actions_on_change_zoom),
 338                                             obj);
 339
 340         gtk_ui_manager_insert_action_group (parent_priv->ui_manager, action_group, 0);
 341         g_object_unref (action_group);
 342
 343         /* Load the UI definition */
 344         gtk_ui_manager_add_ui_from_file (parent_priv->ui_manager, MODEST_UIDIR "modest-msg-view-window-ui.xml",
 345                                          &error);
 346         if (error) {
 347                 g_printerr ("modest: could not merge modest-msg-view-window-ui.xml: %s\n", error->message);
 348                 g_error_free (error);
 349                 error = NULL;
 350         }
 351         /* ****** */
 352
 353         /* Add accelerators */
 354         gtk_window_add_accel_group (GTK_WINDOW (obj),
 355                                     gtk_ui_manager_get_accel_group (parent_priv->ui_manager));
 356
 357         /* Init window */
 358         init_window (MODEST_MSG_VIEW_WINDOW(obj), msg);
 359         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
 360
 361         g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj);
 362
 363         g_signal_connect (G_OBJECT(priv->msg_view), "link_clicked",
 364                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
 365         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
 366                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
 367         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
 368                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
 369         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
 370                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
 371         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
 372                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
 373
 374         g_signal_connect (G_OBJECT (obj), "key-release-event",
 375                           G_CALLBACK (modest_msg_view_window_key_release_event),
 376                           NULL);
 377
 378         g_signal_connect (G_OBJECT (obj), "window-state-event",
 379                           G_CALLBACK (modest_msg_view_window_window_state_event),
 380                           NULL);
 381
 382         modest_window_set_active_account (MODEST_WINDOW(obj), account_name);
 383
 384         priv->last_search = NULL;
 385
 386         modest_msg_view_window_update_dimmed (MODEST_MSG_VIEW_WINDOW (obj));
 387
 388         /* Set window icon */
 389         window_icon = modest_platform_get_icon (MODEST_APP_MSG_VIEW_ICON);
 390         gtk_window_set_icon (GTK_WINDOW (obj), window_icon);
 391
 392         gtk_widget_grab_focus (priv->msg_view);
 393
 394         return MODEST_WINDOW(obj);
 395 }
 396
 397
 398
 399 TnyMsg*
 400 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
 401 {
 402         ModestMsgView *msg_view;
 403         ModestMsgViewWindowPrivate *priv;
 404
 405         g_return_val_if_fail (self, NULL);
 406
 407         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
 408
 409         msg_view = MODEST_MSG_VIEW (priv->msg_view);
 410
 411         return modest_msg_view_get_message (msg_view);
 412 }
 413
 414 const gchar*
 415 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
 416 {
 417         TnyMsg *msg;
 418         TnyHeader *header;
 419         const gchar *retval = NULL;
 420
 421         msg = modest_msg_view_window_get_message (self);
 422
 423         if (!msg)
 424                 return NULL;
 425
 426         header = tny_msg_get_header (msg);
 427         if (header) {
 428                 retval = tny_header_get_uid (header);
 429                 g_object_unref (header);
 430         }
 431         return retval;
 432 }
 433
 434 static void
 435 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
 436                                             gpointer data)
 437 {
 438         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
 439         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 440
 441         if (gtk_toggle_action_get_active (toggle)) {
 442                 gtk_widget_show (priv->find_toolbar);
 443         } else {
 444                 gtk_widget_hide (priv->find_toolbar);
 445         }
 446
 447
 448 }
 449
 450 static void
 451 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
 452                                            ModestMsgViewWindow *obj)
 453 {
 454         GtkToggleAction *toggle;
 455         ModestWindowPrivate *parent_priv;
 456         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
 457
 458         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
 459         gtk_toggle_action_set_active (toggle, FALSE);
 460 }
 461
 462 static void
 463 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
 464                                            ModestMsgViewWindow *obj)
 465 {
 466         gchar *current_search;
 467         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 468
 469         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
 470
 471         if ((current_search == NULL) && (strcmp (current_search, "") == 0)) {
 472                 g_free (current_search);
 473                 return;
 474         }
 475
 476         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
 477                 gboolean result;
 478                 g_free (priv->last_search);
 479                 priv->last_search = g_strdup (current_search);
 480                 result = modest_msg_view_search (MODEST_MSG_VIEW (priv->msg_view),
 481                                                  priv->last_search);
 482         } else {
 483                 modest_msg_view_search_next (MODEST_MSG_VIEW (priv->msg_view));
 484         }
 485
 486         g_free (current_search);
 487
 488 }
 489
 490 static void
 491 modest_msg_view_window_set_zoom (ModestWindow *window,
 492                                  gdouble zoom)
 493 {
 494         ModestMsgViewWindowPrivate *priv;
 495
 496         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
 497
 498         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 499         modest_msg_view_set_zoom (MODEST_MSG_VIEW (priv->msg_view), zoom);
 500 }
 501
 502 static gdouble
 503 modest_msg_view_window_get_zoom (ModestWindow *window)
 504 {
 505         ModestMsgViewWindowPrivate *priv;
 506
 507         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
 508
 509         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 510         return modest_msg_view_get_zoom (MODEST_MSG_VIEW (priv->msg_view));
 511 }
 512
 513 static gboolean
 514 modest_msg_view_window_zoom_plus (ModestWindow *window)
 515 {
 516         ModestWindowPrivate *parent_priv;
 517         GtkRadioAction *zoom_radio_action;
 518         GSList *group, *node;
 519
 520         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 521         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
 522                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
 523
 524         group = gtk_radio_action_get_group (zoom_radio_action);
 525
 526         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
 527                 hildon_banner_show_information (NULL, NULL, _("mcen_ib_max_zoom_level"));
 528                 return FALSE;
 529         }
 530
 531         for (node = group; node != NULL; node = g_slist_next (node)) {
 532                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
 533                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
 534                         return TRUE;
 535                 }
 536         }
 537         return FALSE;
 538 }
 539
 540 static gboolean
 541 modest_msg_view_window_zoom_minus (ModestWindow *window)
 542 {
 543         ModestWindowPrivate *parent_priv;
 544         GtkRadioAction *zoom_radio_action;
 545         GSList *group, *node;
 546
 547         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 548         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
 549                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
 550
 551         group = gtk_radio_action_get_group (zoom_radio_action);
 552
 553         for (node = group; node != NULL; node = g_slist_next (node)) {
 554                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
 555                         if (node->next != NULL) {
 556                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
 557                                 return TRUE;
 558                         } else {
 559                                 hildon_banner_show_information (NULL, NULL, _("mcen_ib_min_zoom_level"));
 560                                 return FALSE;
 561                         }
 562                         break;
 563                 }
 564         }
 565         return FALSE;
 566 }
 567
 568 static gboolean
 569 modest_msg_view_window_key_release_event (GtkWidget *window,
 570                                           GdkEventKey *event,
 571                                           gpointer userdata)
 572 {
 573         if (event->type == GDK_KEY_RELEASE) {
 574                 switch (event->keyval) {
 575                 case GDK_Up:
 576                         modest_msg_view_window_scroll_up (MODEST_WINDOW (window));
 577                         return TRUE;
 578                         break;
 579                 case GDK_Down:
 580                         modest_msg_view_window_scroll_down (MODEST_WINDOW (window));
 581                         return TRUE;
 582                         break;
 583                 default:
 584                         return FALSE;
 585                         break;
 586                 };
 587         } else {
 588                 return FALSE;
 589         }
 590 }
 591
 592 static void
 593 modest_msg_view_window_scroll_up (ModestWindow *window)
 594 {
 595         ModestMsgViewWindowPrivate *priv;
 596
 597         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 598         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", GTK_SCROLL_STEP_UP, FALSE);
 599 }
 600
 601 static void
 602 modest_msg_view_window_scroll_down (ModestWindow *window)
 603 {
 604         ModestMsgViewWindowPrivate *priv;
 605
 606         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 607         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", GTK_SCROLL_STEP_DOWN, FALSE);
 608 }
 609
 610 static gboolean
 611 modest_msg_view_window_is_last_message (ModestMsgViewWindow *window)
 612 {
 613         GtkTreePath *path;
 614         ModestMsgViewWindowPrivate *priv;
 615         GtkTreeIter tmp_iter;
 616         gboolean has_next = FALSE;
 617
 618         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
 619         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 620
 621         if (priv->header_model) {
 622                 path = gtk_tree_model_get_path (priv->header_model, &priv->iter);
 623                 if (!path)
 624                         return TRUE;
 625                 while (!has_next) {
 626                         TnyHeader *header;
 627                         gtk_tree_path_next (path);
 628                         if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
 629                                 break;
 630                         gtk_tree_model_get (priv->header_model, &tmp_iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 631                                             &header, -1);
 632                         if (!(tny_header_get_flags(header)&TNY_HEADER_FLAG_DELETED)) {
 633                                 has_next = TRUE;
 634                                 break;
 635                         }
 636
 637                 }
 638                 gtk_tree_path_free (path);
 639                 return !has_next;
 640         } else {
 641                 return TRUE;
 642         }
 643
 644 }
 645
 646 static gboolean
 647 modest_msg_view_window_is_first_message (ModestMsgViewWindow *window)
 648 {
 649         GtkTreePath *path;
 650         ModestMsgViewWindowPrivate *priv;
 651         gboolean result;
 652         GtkTreeIter tmp_iter;
 653
 654         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
 655         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 656
 657         if (priv->header_model) {
 658                 gchar * path_string;
 659                 path = gtk_tree_model_get_path (priv->header_model, &priv->iter);
 660                 if (!path)
 661                         return TRUE;
 662
 663                 path_string = gtk_tree_path_to_string (path);
 664                 result = (strcmp (path_string, "0")==0);
 665                 if (result) {
 666                         g_free (path_string);
 667                         gtk_tree_path_free (path);
 668                         return result;
 669                 }
 670
 671                 while (result) {
 672                         TnyHeader *header;
 673
 674                         gtk_tree_path_prev (path);
 675
 676                         if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
 677                                 break;
 678                         gtk_tree_model_get (priv->header_model, &tmp_iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 679                                             &header, -1);
 680                         if (!(tny_header_get_flags(header)&TNY_HEADER_FLAG_DELETED)) {
 681                                 result = FALSE;
 682                                 break;
 683                         }
 684
 685                         path_string = gtk_tree_path_to_string (path);
 686                         if (strcmp(path_string, "0")==0) {
 687                                 g_free (path_string);
 688                                 break;
 689                         }
 690                         g_free (path_string);
 691                 }
 692                 gtk_tree_path_free (path);
 693                 return result;
 694         } else {
 695                 return TRUE;
 696         }
 697
 698 }
 699
 700 gboolean
 701 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
 702 {
 703         ModestMsgViewWindowPrivate *priv;
 704         GtkTreeIter tmp_iter;
 705         gboolean has_next = FALSE;
 706
 707         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
 708         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 709
 710         if (priv->header_model) {
 711                 tmp_iter = priv->iter;
 712                 while (gtk_tree_model_iter_next (priv->header_model, &tmp_iter)) {
 713                         TnyHeader *header;
 714                         TnyFolder *folder;
 715                         TnyMsg *msg;
 716
 717                         priv->iter = tmp_iter;
 718                         gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 719                                             &header, -1);
 720                         if (!header)
 721                                 break;
 722                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED)
 723                                 continue;
 724
 725                         folder = tny_header_get_folder (header);
 726                         if (!folder)
 727                                 break;
 728                         msg = tny_folder_get_msg (folder, header, NULL);
 729                         if (!msg) {
 730                                 g_object_unref (folder);
 731                                 break;
 732                         }
 733                         has_next = TRUE;
 734                         modest_msg_view_set_message (MODEST_MSG_VIEW (priv->msg_view), msg);
 735                         modest_msg_view_window_update_dimmed (window);
 736                         modest_msg_view_window_update_priority (window);
 737                         gtk_widget_grab_focus (priv->msg_view);
 738
 739                         g_object_unref (msg);
 740                         break;
 741                 }
 742
 743                 return has_next;
 744         } else {
 745                 return FALSE;
 746         }
 747 }
 748
 749 gboolean
 750 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
 751 {
 752         ModestMsgViewWindowPrivate *priv;
 753
 754         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
 755         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 756
 757         if (priv->header_model) {
 758                 GtkTreePath *path;
 759                 gboolean has_prev = FALSE;
 760
 761                 path = gtk_tree_model_get_path (priv->header_model, &(priv->iter));
 762                 while (gtk_tree_path_prev (path)) {
 763                         TnyHeader *header;
 764                         TnyFolder *folder;
 765                         TnyMsg *msg;
 766
 767                         gtk_tree_model_get_iter (priv->header_model, &(priv->iter), path);
 768                         gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 769                                             &header, -1);
 770                         if (!header)
 771                                 break;
 772                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED)
 773                                 continue;
 774                         folder = tny_header_get_folder (header);
 775                         if (!folder)
 776                                 break;
 777                         msg = tny_folder_get_msg (folder, header, NULL);
 778                         if (!msg) {
 779                                 g_object_unref (folder);
 780                                 break;
 781                         }
 782                         has_prev = TRUE;
 783                         modest_msg_view_set_message (MODEST_MSG_VIEW (priv->msg_view), msg);
 784                         modest_msg_view_window_update_dimmed (window);
 785                         modest_msg_view_window_update_priority (window);
 786                         gtk_widget_grab_focus (priv->msg_view);
 787
 788                         g_object_unref (msg);
 789                         break;
 790                 }
 791                 gtk_tree_path_free (path);
 792                 return has_prev;
 793         } else {
 794                 return FALSE;
 795         }
 796 }
 797
 798 static TnyFolderType
 799 modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window)
 800 {
 801         ModestMsgViewWindowPrivate *priv;
 802         TnyMsg *msg;
 803         TnyFolderType folder_type;
 804
 805         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 806
 807         folder_type = TNY_FOLDER_TYPE_UNKNOWN;
 808
 809         msg = modest_msg_view_get_message (MODEST_MSG_VIEW (priv->msg_view));
 810         if (msg) {
 811                 TnyFolder *folder;
 812
 813                 folder = tny_msg_get_folder (msg);
 814
 815                 if (folder) {
 816                         folder_type = tny_folder_get_folder_type (folder);
 817
 818                         if (folder_type == TNY_FOLDER_TYPE_NORMAL || folder_type == TNY_FOLDER_TYPE_UNKNOWN) {
 819                                 const gchar *fname = tny_folder_get_name (folder);
 820                                 folder_type = modest_tny_folder_guess_folder_type_from_name (fname);
 821                         }
 822
 823                         g_object_unref (folder);
 824                 }
 825         }
 826
 827         return folder_type;
 828 }
 829
 830 static void
 831 modest_msg_view_window_update_dimmed (ModestMsgViewWindow *window)
 832 {
 833         ModestWindowPrivate *parent_priv;
 834         GtkAction *widget;
 835         gboolean is_first, is_last;
 836         TnyFolderType folder_type;
 837         gboolean is_not_sent;
 838
 839         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 840
 841         is_first = modest_msg_view_window_is_first_message (window);
 842         is_last = modest_msg_view_window_is_last_message (window);
 843
 844         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
 845         gtk_action_set_sensitive (widget, !is_first);
 846         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewPreviousMessageMenu");
 847         gtk_action_set_sensitive (widget, !is_first);
 848
 849         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageNext");
 850         gtk_action_set_sensitive (widget, !is_last);
 851         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewNextMessageMenu");
 852         gtk_action_set_sensitive (widget, !is_last);
 853
 854         folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (window));
 855         is_not_sent = ((folder_type == TNY_FOLDER_TYPE_DRAFTS)||(folder_type == TNY_FOLDER_TYPE_OUTBOX));
 856         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
 857         gtk_action_set_sensitive (widget, !is_not_sent);
 858         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageReplyMenu");
 859         gtk_action_set_sensitive (widget, !is_not_sent);
 860         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageReplyAllMenu");
 861         gtk_action_set_sensitive (widget, !is_not_sent);
 862         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageForwardMenu");
 863         gtk_action_set_sensitive (widget, !is_not_sent);
 864
 865 }
 866
 867 static void
 868 modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
 869 {
 870         ModestMsgViewWindowPrivate *priv;
 871         TnyHeaderFlags flags = 0;
 872
 873         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 874
 875         if (priv->header_model) {
 876                 TnyHeader *header;
 877
 878                 gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 879                                     &header, -1);
 880                 flags = tny_header_get_flags (header);
 881         }
 882
 883         modest_msg_view_set_priority (MODEST_MSG_VIEW(priv->msg_view), flags);
 884
 885 }
 886
 887 static gboolean
 888 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
 889 {
 890         if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
 891                 ModestWindowPrivate *parent_priv;
 892                 ModestWindowMgr *mgr;
 893                 gboolean is_fullscreen;
 894                 GtkAction *fs_toggle_action;
 895                 gboolean active;
 896
 897                 mgr = modest_runtime_get_window_mgr ();
 898                 is_fullscreen = (modest_window_mgr_get_fullscreen_mode (mgr))?1:0;
 899
 900                 parent_priv = MODEST_WINDOW_GET_PRIVATE (widget);
 901
 902                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
 903                 active = (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)))?1:0;
 904                 if (is_fullscreen != active) {
 905                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
 906                 }
 907         }
 908
 909         return FALSE;
 910
 911 }
 912
 913 void
 914 modest_msg_view_window_toggle_fullscreen (ModestMsgViewWindow *window)
 915 {
 916                 ModestWindowPrivate *parent_priv;
 917                 GtkAction *fs_toggle_action;
 918                 parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 919
 920                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
 921                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action),
 922                                               !gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)));
 923 }
 924
 925 static void
 926 set_homogeneous (GtkWidget *widget,
 927                  gpointer data)
 928 {
 929         if (GTK_IS_TOOL_ITEM (widget)) {
 930                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), TRUE);
 931                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), TRUE);
 932         }
 933 }
 934
 935 static void
 936 modest_msg_view_window_show_toolbar (ModestWindow *self,
 937                                      gboolean show_toolbar)
 938 {
 939         ModestWindowPrivate *parent_priv;
 940         GtkWidget *reply_button = NULL, *menu = NULL;
 941
 942         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 943
 944         if (!parent_priv->toolbar && show_toolbar) {
 945                 parent_priv->toolbar = gtk_ui_manager_get_widget (parent_priv->ui_manager,
 946                                                                   "/ToolBar");
 947
 948                 /* Set homogeneous toolbar */
 949                 gtk_container_foreach (GTK_CONTAINER (parent_priv->toolbar),
 950                                        set_homogeneous, NULL);
 951
 952                 /* Add to window */
 953                 hildon_window_add_toolbar (HILDON_WINDOW (self),
 954                                            GTK_TOOLBAR (parent_priv->toolbar));
 955
 956
 957                 /* Set reply button tap and hold menu */
 958                 reply_button = gtk_ui_manager_get_widget (parent_priv->ui_manager,
 959                                                           "/ToolBar/ToolbarMessageReply");
 960                 menu = gtk_ui_manager_get_widget (parent_priv->ui_manager,
 961                                                   "/ToolbarReplyCSM");
 962                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (reply_button), menu, NULL, 0);
 963         }
 964
 965         /* TODO: Why is this sometimes NULL? murrayc */
 966         if (parent_priv->toolbar) {
 967                 if (show_toolbar)
 968                         gtk_widget_show (GTK_WIDGET (parent_priv->toolbar));
 969                 else
 970                         gtk_widget_hide (GTK_WIDGET (parent_priv->toolbar));
 971         }
 972 }