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 <hildon-widgets/hildon-find-toolbar.h>
  43 #include <hildon-widgets/hildon-defines.h>
  44 #include <hildon-widgets/hildon-banner.h>
  45 #include <gtkhtml/gtkhtml-search.h>
  46 #include <gdk/gdkkeysyms.h>
  47
  48 static void  modest_msg_view_window_class_init   (ModestMsgViewWindowClass *klass);
  49 static void  modest_msg_view_window_init         (ModestMsgViewWindow *obj);
  50 static void  modest_msg_view_window_finalize     (GObject *obj);
  51 static void  modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *obj,
  52                                                          gpointer data);
  53 static void  modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
  54                                                         ModestMsgViewWindow *obj);
  55 static void  modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
  56                                                         ModestMsgViewWindow *obj);
  57
  58 static void  modest_msg_view_window_set_zoom (ModestWindow *window,
  59                                               gdouble zoom);
  60 static gdouble modest_msg_view_window_get_zoom (ModestWindow *window);
  61 static gboolean modest_msg_view_window_zoom_minus (ModestWindow *window);
  62 static gboolean modest_msg_view_window_zoom_plus (ModestWindow *window);
  63 static gboolean modest_msg_view_window_key_release_event (GtkWidget *window,
  64                                                           GdkEventKey *event,
  65                                                           gpointer userdata);
  66 static gboolean modest_msg_view_window_window_state_event (GtkWidget *widget,
  67                                                            GdkEventWindowState *event,
  68                                                            gpointer userdata);
  69 static void modest_msg_view_window_scroll_up (ModestWindow *window);
  70 static void modest_msg_view_window_scroll_down (ModestWindow *window);
  71 static gboolean modest_msg_view_window_is_last_message (ModestMsgViewWindow *window);
  72 static gboolean modest_msg_view_window_is_first_message (ModestMsgViewWindow *window);
  73 static TnyFolderType modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window);
  74 static void modest_msg_view_window_update_dimmed (ModestMsgViewWindow *window);
  75 static void modest_msg_view_window_update_priority (ModestMsgViewWindow *window);
  76
  77 static void modest_msg_view_window_create_toolbar (ModestWindow *window);
  78 static void modest_msg_view_window_show_toolbar   (ModestWindow *window,
  79                                                    gboolean show_toolbar);
  80
  81
  82 /* list my signals */
  83 enum {
  84         /* MY_SIGNAL_1, */
  85         /* MY_SIGNAL_2, */
  86         LAST_SIGNAL
  87 };
  88
  89 static const GtkToggleActionEntry msg_view_toggle_action_entries [] = {
  90         { "FindInMessage",    GTK_STOCK_FIND,    N_("qgn_toolb_gene_find"), NULL, NULL, G_CALLBACK (modest_msg_view_window_toggle_find_toolbar), FALSE },
  91 };
  92
  93 static const GtkRadioActionEntry msg_view_zoom_action_entries [] = {
  94         { "Zoom50", NULL, N_("mcen_me_viewer_50"), NULL, NULL, 50 },
  95         { "Zoom80", NULL, N_("mcen_me_viewer_80"), NULL, NULL, 80 },
  96         { "Zoom100", NULL, N_("mcen_me_viewer_100"), NULL, NULL, 100 },
  97         { "Zoom120", NULL, N_("mcen_me_viewer_120"), NULL, NULL, 120 },
  98         { "Zoom150", NULL, N_("mcen_me_viewer_150"), NULL, NULL, 150 },
  99         { "Zoom200", NULL, N_("mcen_me_viewer_200"), NULL, NULL, 200 }
 100 };
 101
 102 typedef struct _ModestMsgViewWindowPrivate ModestMsgViewWindowPrivate;
 103 struct _ModestMsgViewWindowPrivate {
 104
 105         GtkWidget   *msg_view;
 106         GtkWidget   *main_scroll;
 107         GtkWidget   *find_toolbar;
 108         gchar       *last_search;
 109
 110         GtkTreeModel *header_model;
 111         GtkTreeIter   iter;
 112 };
 113
 114 #define MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 115                                                     MODEST_TYPE_MSG_VIEW_WINDOW, \
 116                                                     ModestMsgViewWindowPrivate))
 117 /* globals */
 118 static GtkWindowClass *parent_class = NULL;
 119
 120 /* uncomment the following if you have defined any signals */
 121 /* static guint signals[LAST_SIGNAL] = {0}; */
 122
 123 GType
 124 modest_msg_view_window_get_type (void)
 125 {
 126         static GType my_type = 0;
 127         if (!my_type) {
 128                 static const GTypeInfo my_info = {
 129                         sizeof(ModestMsgViewWindowClass),
 130                         NULL,           /* base init */
 131                         NULL,           /* base finalize */
 132                         (GClassInitFunc) modest_msg_view_window_class_init,
 133                         NULL,           /* class finalize */
 134                         NULL,           /* class data */
 135                         sizeof(ModestMsgViewWindow),
 136                         1,              /* n_preallocs */
 137                         (GInstanceInitFunc) modest_msg_view_window_init,
 138                         NULL
 139                 };
 140                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 141                                                   "ModestMsgViewWindow",
 142                                                   &my_info, 0);
 143         }
 144         return my_type;
 145 }
 146
 147 static void
 148 modest_msg_view_window_class_init (ModestMsgViewWindowClass *klass)
 149 {
 150         GObjectClass *gobject_class;
 151         ModestWindowClass *modest_window_class;
 152         gobject_class = (GObjectClass*) klass;
 153         modest_window_class = (ModestWindowClass *) klass;
 154
 155         parent_class            = g_type_class_peek_parent (klass);
 156         gobject_class->finalize = modest_msg_view_window_finalize;
 157
 158         modest_window_class->set_zoom_func = modest_msg_view_window_set_zoom;
 159         modest_window_class->get_zoom_func = modest_msg_view_window_get_zoom;
 160         modest_window_class->zoom_minus_func = modest_msg_view_window_zoom_minus;
 161         modest_window_class->zoom_plus_func = modest_msg_view_window_zoom_plus;
 162         modest_window_class->create_toolbar_func = modest_msg_view_window_create_toolbar;
 163         modest_window_class->show_toolbar_func = modest_msg_view_window_show_toolbar;
 164
 165         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewWindowPrivate));
 166 }
 167
 168 static void
 169 modest_msg_view_window_init (ModestMsgViewWindow *obj)
 170 {
 171         ModestMsgViewWindowPrivate *priv;
 172         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 173
 174         priv->msg_view      = NULL;
 175         priv->header_model  = NULL;
 176 }
 177
 178 static void
 179 save_settings (ModestMsgViewWindow *self)
 180 {
 181         modest_widget_memory_save (modest_runtime_get_conf (),
 182                                     G_OBJECT(self), "modest-msg-view-window");
 183 }
 184
 185
 186 static void
 187 restore_settings (ModestMsgViewWindow *self)
 188 {
 189         modest_widget_memory_restore (modest_runtime_get_conf (),
 190                                       G_OBJECT(self), "modest-msg-view-window");
 191 }
 192
 193
 194
 195 static GtkWidget *
 196 menubar_to_menu (GtkUIManager *ui_manager)
 197 {
 198         GtkWidget *main_menu;
 199         GtkWidget *menubar;
 200         GList *iter;
 201
 202         /* Create new main menu */
 203         main_menu = gtk_menu_new();
 204
 205         /* Get the menubar from the UI manager */
 206         menubar = gtk_ui_manager_get_widget (ui_manager, "/MenuBar");
 207
 208         iter = gtk_container_get_children (GTK_CONTAINER (menubar));
 209         while (iter) {
 210                 GtkWidget *menu;
 211
 212                 menu = GTK_WIDGET (iter->data);
 213                 gtk_widget_reparent(menu, main_menu);
 214
 215                 iter = g_list_next (iter);
 216         }
 217         return main_menu;
 218 }
 219
 220 static void
 221 init_window (ModestMsgViewWindow *obj, TnyMsg *msg)
 222 {
 223         GtkWidget *main_vbox;
 224         ModestMsgViewWindowPrivate *priv;
 225         ModestWindowPrivate *parent_priv;
 226
 227         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 228         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 229
 230         priv->msg_view = modest_msg_view_new (msg);
 231         modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
 232         main_vbox = gtk_vbox_new  (FALSE, 6);
 233
 234         /* Menubar */
 235         parent_priv->menubar = menubar_to_menu (parent_priv->ui_manager);
 236         gtk_widget_show_all (GTK_WIDGET(parent_priv->menubar));
 237         hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
 238
 239         priv->main_scroll = gtk_scrolled_window_new (NULL, NULL);
 240         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 241         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->main_scroll), GTK_SHADOW_NONE);
 242
 243         gtk_container_add (GTK_CONTAINER (priv->main_scroll), priv->msg_view);
 244         gtk_box_pack_start (GTK_BOX(main_vbox), priv->main_scroll, TRUE, TRUE, 0);
 245         gtk_container_add   (GTK_CONTAINER(obj), main_vbox);
 246
 247         priv->find_toolbar = hildon_find_toolbar_new (NULL);
 248         gtk_widget_set_no_show_all (priv->find_toolbar, TRUE);
 249         g_signal_connect (G_OBJECT (priv->find_toolbar), "close", G_CALLBACK (modest_msg_view_window_find_toolbar_close), obj);
 250         g_signal_connect (G_OBJECT (priv->find_toolbar), "search", G_CALLBACK (modest_msg_view_window_find_toolbar_search), obj);
 251
 252         gtk_widget_show_all (GTK_WIDGET(main_vbox));
 253         gtk_box_pack_end (GTK_BOX (main_vbox), priv->find_toolbar, FALSE, FALSE, 0);
 254 }
 255
 256
 257 static void
 258 modest_msg_view_window_finalize (GObject *obj)
 259 {
 260         ModestMsgViewWindowPrivate *priv;
 261
 262         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 263         if (priv->header_model != NULL) {
 264                 g_object_unref (priv->header_model);
 265                 priv->header_model = NULL;
 266         }
 267
 268         G_OBJECT_CLASS(parent_class)->finalize (obj);
 269 }
 270
 271
 272
 273 static gboolean
 274 on_delete_event (GtkWidget *widget, GdkEvent *event, ModestMsgViewWindow *self)
 275 {
 276         save_settings (self);
 277         return FALSE;
 278 }
 279
 280 ModestWindow *
 281 modest_msg_view_window_new_with_header_model (TnyMsg *msg, const gchar *account_name,
 282                                               GtkTreeModel *model, GtkTreeIter iter)
 283 {
 284         ModestMsgViewWindow *window = NULL;
 285         ModestMsgViewWindowPrivate *priv = NULL;
 286
 287         window = MODEST_MSG_VIEW_WINDOW(modest_msg_view_window_new (msg, account_name));
 288         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), NULL);
 289
 290         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 291
 292         g_object_ref (model);
 293         priv->header_model = model;
 294         priv->iter = iter;
 295
 296         modest_msg_view_window_update_priority (window);
 297
 298         modest_msg_view_window_update_dimmed (window);
 299
 300         return MODEST_WINDOW(window);
 301 }
 302
 303
 304 ModestWindow *
 305 modest_msg_view_window_new (TnyMsg *msg, const gchar *account_name)
 306 {
 307         GObject *obj;
 308         ModestMsgViewWindowPrivate *priv;
 309         ModestWindowPrivate *parent_priv;
 310         GtkActionGroup *action_group;
 311         GError *error = NULL;
 312         GdkPixbuf *window_icon = NULL;
 313
 314         g_return_val_if_fail (msg, NULL);
 315
 316         obj = g_object_new(MODEST_TYPE_MSG_VIEW_WINDOW, NULL);
 317         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
 318         parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 319
 320         parent_priv->ui_manager = gtk_ui_manager_new();
 321         action_group = gtk_action_group_new ("ModestMsgViewWindowActions");
 322         gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
 323
 324         /* Add common actions */
 325         gtk_action_group_add_actions (action_group,
 326                                       modest_action_entries,
 327                                       G_N_ELEMENTS (modest_action_entries),
 328                                       obj);
 329         gtk_action_group_add_toggle_actions (action_group,
 330                                              modest_toggle_action_entries,
 331                                              G_N_ELEMENTS (modest_toggle_action_entries),
 332                                              obj);
 333         gtk_action_group_add_toggle_actions (action_group,
 334                                              msg_view_toggle_action_entries,
 335                                              G_N_ELEMENTS (msg_view_toggle_action_entries),
 336                                              obj);
 337         gtk_action_group_add_radio_actions (action_group,
 338                                             msg_view_zoom_action_entries,
 339                                             G_N_ELEMENTS (msg_view_zoom_action_entries),
 340                                             100,
 341                                             G_CALLBACK (modest_ui_actions_on_change_zoom),
 342                                             obj);
 343
 344         gtk_ui_manager_insert_action_group (parent_priv->ui_manager, action_group, 0);
 345         g_object_unref (action_group);
 346
 347         /* Load the UI definition */
 348         gtk_ui_manager_add_ui_from_file (parent_priv->ui_manager, MODEST_UIDIR "modest-msg-view-window-ui.xml",
 349                                          &error);
 350         if (error) {
 351                 g_printerr ("modest: could not merge modest-msg-view-window-ui.xml: %s\n", error->message);
 352                 g_error_free (error);
 353                 error = NULL;
 354         }
 355         /* ****** */
 356
 357         /* Add accelerators */
 358         gtk_window_add_accel_group (GTK_WINDOW (obj),
 359                                     gtk_ui_manager_get_accel_group (parent_priv->ui_manager));
 360
 361         /* Init window */
 362         init_window (MODEST_MSG_VIEW_WINDOW(obj), msg);
 363         restore_settings (MODEST_MSG_VIEW_WINDOW(obj));
 364
 365         g_signal_connect (G_OBJECT(obj), "delete-event", G_CALLBACK(on_delete_event), obj);
 366
 367         g_signal_connect (G_OBJECT(priv->msg_view), "link_clicked",
 368                           G_CALLBACK (modest_ui_actions_on_msg_link_clicked), obj);
 369         g_signal_connect (G_OBJECT(priv->msg_view), "link_hover",
 370                           G_CALLBACK (modest_ui_actions_on_msg_link_hover), obj);
 371         g_signal_connect (G_OBJECT(priv->msg_view), "attachment_clicked",
 372                           G_CALLBACK (modest_ui_actions_on_msg_attachment_clicked), obj);
 373         g_signal_connect (G_OBJECT(priv->msg_view), "recpt_activated",
 374                           G_CALLBACK (modest_ui_actions_on_msg_recpt_activated), obj);
 375         g_signal_connect (G_OBJECT(priv->msg_view), "link_contextual",
 376                           G_CALLBACK (modest_ui_actions_on_msg_link_contextual), obj);
 377
 378         g_signal_connect (G_OBJECT (obj), "key-release-event",
 379                           G_CALLBACK (modest_msg_view_window_key_release_event),
 380                           NULL);
 381
 382         g_signal_connect (G_OBJECT (obj), "window-state-event",
 383                           G_CALLBACK (modest_msg_view_window_window_state_event),
 384                           NULL);
 385
 386         modest_window_set_active_account (MODEST_WINDOW(obj), account_name);
 387
 388         priv->last_search = NULL;
 389
 390         modest_msg_view_window_update_dimmed (MODEST_MSG_VIEW_WINDOW (obj));
 391
 392         /* Set window icon */
 393         window_icon = modest_platform_get_icon (MODEST_APP_MSG_VIEW_ICON);
 394         gtk_window_set_icon (GTK_WINDOW (obj), window_icon);
 395
 396         gtk_widget_grab_focus (priv->msg_view);
 397
 398         return MODEST_WINDOW(obj);
 399 }
 400
 401
 402
 403 TnyMsg*
 404 modest_msg_view_window_get_message (ModestMsgViewWindow *self)
 405 {
 406         ModestMsgView *msg_view;
 407         ModestMsgViewWindowPrivate *priv;
 408
 409         g_return_val_if_fail (self, NULL);
 410
 411         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(self);
 412
 413         msg_view = MODEST_MSG_VIEW (priv->msg_view);
 414
 415         return modest_msg_view_get_message (msg_view);
 416 }
 417
 418 const gchar*
 419 modest_msg_view_window_get_message_uid (ModestMsgViewWindow *self)
 420 {
 421         TnyMsg *msg;
 422         TnyHeader *header;
 423         const gchar *retval = NULL;
 424
 425         msg = modest_msg_view_window_get_message (self);
 426
 427         if (!msg)
 428                 return NULL;
 429
 430         header = tny_msg_get_header (msg);
 431         if (header) {
 432                 retval = tny_header_get_uid (header);
 433                 g_object_unref (header);
 434         }
 435         return retval;
 436 }
 437
 438 static void
 439 modest_msg_view_window_toggle_find_toolbar (GtkToggleAction *toggle,
 440                                             gpointer data)
 441 {
 442         ModestMsgViewWindow *window = MODEST_MSG_VIEW_WINDOW (data);
 443         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 444
 445         if (gtk_toggle_action_get_active (toggle)) {
 446                 gtk_widget_show (priv->find_toolbar);
 447         } else {
 448                 gtk_widget_hide (priv->find_toolbar);
 449         }
 450
 451
 452 }
 453
 454 static void
 455 modest_msg_view_window_find_toolbar_close (GtkWidget *widget,
 456                                            ModestMsgViewWindow *obj)
 457 {
 458         GtkToggleAction *toggle;
 459         ModestWindowPrivate *parent_priv;
 460         parent_priv = MODEST_WINDOW_GET_PRIVATE (obj);
 461
 462         toggle = GTK_TOGGLE_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/FindInMessage"));
 463         gtk_toggle_action_set_active (toggle, FALSE);
 464 }
 465
 466 static void
 467 modest_msg_view_window_find_toolbar_search (GtkWidget *widget,
 468                                            ModestMsgViewWindow *obj)
 469 {
 470         gchar *current_search;
 471         ModestMsgViewWindowPrivate *priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (obj);
 472
 473         g_object_get (G_OBJECT (widget), "prefix", &current_search, NULL);
 474
 475         if ((current_search == NULL) && (strcmp (current_search, "") == 0)) {
 476                 g_free (current_search);
 477                 return;
 478         }
 479
 480         if ((priv->last_search == NULL) || (strcmp (priv->last_search, current_search) != 0)) {
 481                 gboolean result;
 482                 g_free (priv->last_search);
 483                 priv->last_search = g_strdup (current_search);
 484                 result = modest_msg_view_search (MODEST_MSG_VIEW (priv->msg_view),
 485                                                  priv->last_search);
 486         } else {
 487                 modest_msg_view_search_next (MODEST_MSG_VIEW (priv->msg_view));
 488         }
 489
 490         g_free (current_search);
 491
 492 }
 493
 494 static void
 495 modest_msg_view_window_set_zoom (ModestWindow *window,
 496                                  gdouble zoom)
 497 {
 498         ModestMsgViewWindowPrivate *priv;
 499
 500         g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
 501
 502         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 503         modest_msg_view_set_zoom (MODEST_MSG_VIEW (priv->msg_view), zoom);
 504 }
 505
 506 static gdouble
 507 modest_msg_view_window_get_zoom (ModestWindow *window)
 508 {
 509         ModestMsgViewWindowPrivate *priv;
 510
 511         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), 1.0);
 512
 513         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 514         return modest_msg_view_get_zoom (MODEST_MSG_VIEW (priv->msg_view));
 515 }
 516
 517 static gboolean
 518 modest_msg_view_window_zoom_plus (ModestWindow *window)
 519 {
 520         ModestWindowPrivate *parent_priv;
 521         GtkRadioAction *zoom_radio_action;
 522         GSList *group, *node;
 523
 524         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 525         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
 526                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
 527
 528         group = gtk_radio_action_get_group (zoom_radio_action);
 529
 530         if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (group->data))) {
 531                 hildon_banner_show_information (NULL, NULL, _("mcen_ib_max_zoom_level"));
 532                 return FALSE;
 533         }
 534
 535         for (node = group; node != NULL; node = g_slist_next (node)) {
 536                 if ((node->next != NULL) && gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->next->data))) {
 537                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->data), TRUE);
 538                         return TRUE;
 539                 }
 540         }
 541         return FALSE;
 542 }
 543
 544 static gboolean
 545 modest_msg_view_window_zoom_minus (ModestWindow *window)
 546 {
 547         ModestWindowPrivate *parent_priv;
 548         GtkRadioAction *zoom_radio_action;
 549         GSList *group, *node;
 550
 551         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 552         zoom_radio_action = GTK_RADIO_ACTION (gtk_ui_manager_get_action (parent_priv->ui_manager,
 553                                                                          "/MenuBar/ViewMenu/ZoomMenu/Zoom50Menu"));
 554
 555         group = gtk_radio_action_get_group (zoom_radio_action);
 556
 557         for (node = group; node != NULL; node = g_slist_next (node)) {
 558                 if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (node->data))) {
 559                         if (node->next != NULL) {
 560                                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (node->next->data), TRUE);
 561                                 return TRUE;
 562                         } else {
 563                                 hildon_banner_show_information (NULL, NULL, _("mcen_ib_min_zoom_level"));
 564                                 return FALSE;
 565                         }
 566                         break;
 567                 }
 568         }
 569         return FALSE;
 570 }
 571
 572 static gboolean
 573 modest_msg_view_window_key_release_event (GtkWidget *window,
 574                                           GdkEventKey *event,
 575                                           gpointer userdata)
 576 {
 577         if (event->type == GDK_KEY_RELEASE) {
 578                 switch (event->keyval) {
 579                 case GDK_Up:
 580                         modest_msg_view_window_scroll_up (MODEST_WINDOW (window));
 581                         return TRUE;
 582                         break;
 583                 case GDK_Down:
 584                         modest_msg_view_window_scroll_down (MODEST_WINDOW (window));
 585                         return TRUE;
 586                         break;
 587                 default:
 588                         return FALSE;
 589                         break;
 590                 };
 591         } else {
 592                 return FALSE;
 593         }
 594 }
 595
 596 static void
 597 modest_msg_view_window_scroll_up (ModestWindow *window)
 598 {
 599         ModestMsgViewWindowPrivate *priv;
 600
 601         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 602         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", GTK_SCROLL_STEP_UP, FALSE);
 603 }
 604
 605 static void
 606 modest_msg_view_window_scroll_down (ModestWindow *window)
 607 {
 608         ModestMsgViewWindowPrivate *priv;
 609
 610         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 611         g_signal_emit_by_name (G_OBJECT (priv->main_scroll), "scroll-child", GTK_SCROLL_STEP_DOWN, FALSE);
 612 }
 613
 614 static gboolean
 615 modest_msg_view_window_is_last_message (ModestMsgViewWindow *window)
 616 {
 617         GtkTreePath *path;
 618         ModestMsgViewWindowPrivate *priv;
 619         GtkTreeIter tmp_iter;
 620         gboolean has_next = FALSE;
 621
 622         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
 623         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 624
 625         if (priv->header_model) {
 626                 path = gtk_tree_model_get_path (priv->header_model, &priv->iter);
 627                 if (!path)
 628                         return TRUE;
 629                 while (!has_next) {
 630                         TnyHeader *header;
 631                         gtk_tree_path_next (path);
 632                         if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
 633                                 break;
 634                         gtk_tree_model_get (priv->header_model, &tmp_iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 635                                             &header, -1);
 636                         if (!(tny_header_get_flags(header)&TNY_HEADER_FLAG_DELETED)) {
 637                                 has_next = TRUE;
 638                                 break;
 639                         }
 640
 641                 }
 642                 gtk_tree_path_free (path);
 643                 return !has_next;
 644         } else {
 645                 return TRUE;
 646         }
 647
 648 }
 649
 650 static gboolean
 651 modest_msg_view_window_is_first_message (ModestMsgViewWindow *window)
 652 {
 653         GtkTreePath *path;
 654         ModestMsgViewWindowPrivate *priv;
 655         gboolean result;
 656         GtkTreeIter tmp_iter;
 657
 658         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), TRUE);
 659         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 660
 661         if (priv->header_model) {
 662                 gchar * path_string;
 663                 path = gtk_tree_model_get_path (priv->header_model, &priv->iter);
 664                 if (!path)
 665                         return TRUE;
 666
 667                 path_string = gtk_tree_path_to_string (path);
 668                 result = (strcmp (path_string, "0")==0);
 669                 if (result) {
 670                         g_free (path_string);
 671                         gtk_tree_path_free (path);
 672                         return result;
 673                 }
 674
 675                 while (result) {
 676                         TnyHeader *header;
 677
 678                         gtk_tree_path_prev (path);
 679
 680                         if (!gtk_tree_model_get_iter (priv->header_model, &tmp_iter, path))
 681                                 break;
 682                         gtk_tree_model_get (priv->header_model, &tmp_iter, TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 683                                             &header, -1);
 684                         if (!(tny_header_get_flags(header)&TNY_HEADER_FLAG_DELETED)) {
 685                                 result = FALSE;
 686                                 break;
 687                         }
 688
 689                         path_string = gtk_tree_path_to_string (path);
 690                         if (strcmp(path_string, "0")==0) {
 691                                 g_free (path_string);
 692                                 break;
 693                         }
 694                         g_free (path_string);
 695                 }
 696                 gtk_tree_path_free (path);
 697                 return result;
 698         } else {
 699                 return TRUE;
 700         }
 701
 702 }
 703
 704 gboolean
 705 modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
 706 {
 707         ModestMsgViewWindowPrivate *priv;
 708         GtkTreeIter tmp_iter;
 709         gboolean has_next = FALSE;
 710
 711         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
 712         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 713
 714         if (priv->header_model) {
 715                 tmp_iter = priv->iter;
 716                 while (gtk_tree_model_iter_next (priv->header_model, &tmp_iter)) {
 717                         TnyHeader *header;
 718                         TnyFolder *folder;
 719                         TnyMsg *msg;
 720
 721                         priv->iter = tmp_iter;
 722                         gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 723                                             &header, -1);
 724                         if (!header)
 725                                 break;
 726                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED)
 727                                 continue;
 728
 729                         folder = tny_header_get_folder (header);
 730                         if (!folder)
 731                                 break;
 732                         msg = tny_folder_get_msg (folder, header, NULL);
 733                         if (!msg) {
 734                                 g_object_unref (folder);
 735                                 break;
 736                         }
 737                         has_next = TRUE;
 738                         modest_msg_view_set_message (MODEST_MSG_VIEW (priv->msg_view), msg);
 739                         modest_msg_view_window_update_dimmed (window);
 740                         modest_msg_view_window_update_priority (window);
 741                         gtk_widget_grab_focus (priv->msg_view);
 742
 743                         g_object_unref (msg);
 744                         break;
 745                 }
 746
 747                 return has_next;
 748         } else {
 749                 return FALSE;
 750         }
 751 }
 752
 753 gboolean
 754 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
 755 {
 756         ModestMsgViewWindowPrivate *priv;
 757
 758         g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
 759         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 760
 761         if (priv->header_model) {
 762                 GtkTreePath *path;
 763                 gboolean has_prev = FALSE;
 764
 765                 path = gtk_tree_model_get_path (priv->header_model, &(priv->iter));
 766                 while (gtk_tree_path_prev (path)) {
 767                         TnyHeader *header;
 768                         TnyFolder *folder;
 769                         TnyMsg *msg;
 770
 771                         gtk_tree_model_get_iter (priv->header_model, &(priv->iter), path);
 772                         gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 773                                             &header, -1);
 774                         if (!header)
 775                                 break;
 776                         if (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED)
 777                                 continue;
 778                         folder = tny_header_get_folder (header);
 779                         if (!folder)
 780                                 break;
 781                         msg = tny_folder_get_msg (folder, header, NULL);
 782                         if (!msg) {
 783                                 g_object_unref (folder);
 784                                 break;
 785                         }
 786                         has_prev = TRUE;
 787                         modest_msg_view_set_message (MODEST_MSG_VIEW (priv->msg_view), msg);
 788                         modest_msg_view_window_update_dimmed (window);
 789                         modest_msg_view_window_update_priority (window);
 790                         gtk_widget_grab_focus (priv->msg_view);
 791
 792                         g_object_unref (msg);
 793                         break;
 794                 }
 795                 gtk_tree_path_free (path);
 796                 return has_prev;
 797         } else {
 798                 return FALSE;
 799         }
 800 }
 801
 802 static TnyFolderType
 803 modest_msg_view_window_get_folder_type (ModestMsgViewWindow *window)
 804 {
 805         ModestMsgViewWindowPrivate *priv;
 806         TnyMsg *msg;
 807         TnyFolderType folder_type;
 808
 809         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 810
 811         folder_type = TNY_FOLDER_TYPE_UNKNOWN;
 812
 813         msg = modest_msg_view_get_message (MODEST_MSG_VIEW (priv->msg_view));
 814         if (msg) {
 815                 TnyFolder *folder;
 816
 817                 folder = tny_msg_get_folder (msg);
 818
 819                 if (folder) {
 820                         folder_type = tny_folder_get_folder_type (folder);
 821
 822                         if (folder_type == TNY_FOLDER_TYPE_NORMAL || folder_type == TNY_FOLDER_TYPE_UNKNOWN) {
 823                                 const gchar *fname = tny_folder_get_name (folder);
 824                                 folder_type = modest_tny_folder_guess_folder_type_from_name (fname);
 825                         }
 826
 827                         g_object_unref (folder);
 828                 }
 829         }
 830
 831         return folder_type;
 832 }
 833
 834 static void
 835 modest_msg_view_window_update_dimmed (ModestMsgViewWindow *window)
 836 {
 837         ModestWindowPrivate *parent_priv;
 838         GtkAction *widget;
 839         gboolean is_first, is_last;
 840         TnyFolderType folder_type;
 841         gboolean is_not_sent;
 842
 843         parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 844
 845         is_first = modest_msg_view_window_is_first_message (window);
 846         is_last = modest_msg_view_window_is_last_message (window);
 847
 848         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
 849         gtk_action_set_sensitive (widget, !is_first);
 850         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewPreviousMessageMenu");
 851         gtk_action_set_sensitive (widget, !is_first);
 852
 853         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageForward");
 854         gtk_action_set_sensitive (widget, !is_last);
 855         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewNextMessageMenu");
 856         gtk_action_set_sensitive (widget, !is_last);
 857
 858         folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (window));
 859         is_not_sent = ((folder_type == TNY_FOLDER_TYPE_DRAFTS)||(folder_type == TNY_FOLDER_TYPE_OUTBOX));
 860         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
 861         gtk_action_set_sensitive (widget, !is_not_sent);
 862         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageReplyMenu");
 863         gtk_action_set_sensitive (widget, !is_not_sent);
 864         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageReplyAllMenu");
 865         gtk_action_set_sensitive (widget, !is_not_sent);
 866         widget = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/MessageMenu/MessageForwardMenu");
 867         gtk_action_set_sensitive (widget, !is_not_sent);
 868
 869 }
 870
 871 static void
 872 modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
 873 {
 874         ModestMsgViewWindowPrivate *priv;
 875         TnyHeaderFlags flags = 0;
 876
 877         priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
 878
 879         if (priv->header_model) {
 880                 TnyHeader *header;
 881
 882                 gtk_tree_model_get (priv->header_model, &(priv->iter), TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 883                                     &header, -1);
 884                 flags = tny_header_get_flags (header);
 885         }
 886
 887         modest_msg_view_set_priority (MODEST_MSG_VIEW(priv->msg_view), flags);
 888
 889 }
 890
 891 static gboolean
 892 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
 893 {
 894         if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
 895                 ModestWindowPrivate *parent_priv;
 896                 ModestWindowMgr *mgr;
 897                 gboolean is_fullscreen;
 898                 GtkAction *fs_toggle_action;
 899                 gboolean active;
 900
 901                 mgr = modest_runtime_get_window_mgr ();
 902                 is_fullscreen = (modest_window_mgr_get_fullscreen_mode (mgr))?1:0;
 903
 904                 parent_priv = MODEST_WINDOW_GET_PRIVATE (widget);
 905
 906                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
 907                 active = (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)))?1:0;
 908                 if (is_fullscreen != active) {
 909                         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
 910                 }
 911         }
 912
 913         return FALSE;
 914
 915 }
 916
 917 void
 918 modest_msg_view_window_toggle_fullscreen (ModestMsgViewWindow *window)
 919 {
 920                 ModestWindowPrivate *parent_priv;
 921                 GtkAction *fs_toggle_action;
 922                 parent_priv = MODEST_WINDOW_GET_PRIVATE (window);
 923
 924                 fs_toggle_action = gtk_ui_manager_get_action (parent_priv->ui_manager, "/MenuBar/ViewMenu/ViewToggleFullscreenMenu");
 925                 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action),
 926                                               !gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (fs_toggle_action)));
 927 }
 928
 929 static void
 930 set_homogeneous (GtkWidget *widget,
 931                  gpointer data)
 932 {
 933         if (GTK_IS_TOOL_ITEM (widget)) {
 934                 gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), TRUE);
 935                 gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), TRUE);
 936         }
 937 }
 938
 939 static void
 940 modest_msg_view_window_create_toolbar (ModestWindow *self)
 941 {
 942         GtkWidget *reply_button, *menu;
 943         ModestWindowPrivate *parent_priv;
 944
 945         parent_priv = MODEST_WINDOW_GET_PRIVATE (self);
 946
 947         /* Toolbar */
 948         parent_priv->toolbar = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar");
 949
 950         /* Set homogeneous */
 951         gtk_container_foreach (GTK_CONTAINER (parent_priv->toolbar),
 952                                set_homogeneous, NULL);
 953
 954         /* Set reply button tap and hold menu */
 955         reply_button = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
 956         menu = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolbarReplyCSM");
 957         gtk_widget_tap_and_hold_setup (GTK_WIDGET (reply_button), menu, NULL, 0);
 958 }
 959
 960 static void
 961 modest_msg_view_window_show_toolbar (ModestWindow *self,
 962                                      gboolean show_toolbar)
 963 {
 964         ModestWindowPrivate *parent_priv;
 965
 966         parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
 967
 968         if (!parent_priv->toolbar)
 969                 return;
 970
 971         if (show_toolbar) {
 972                 hildon_window_add_toolbar (HILDON_WINDOW (self),
 973                                            GTK_TOOLBAR (parent_priv->toolbar));
 974                 gtk_widget_show_all (GTK_WIDGET (self));
 975         } else
 976                 hildon_window_remove_toolbar (HILDON_WINDOW (self),
 977                                               GTK_TOOLBAR (parent_priv->toolbar));
 978 }