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