git.maemo.org Git - modest/blob - src/hildon2/modest-hildon2-window-mgr.c

   1 /* Copyright (c) 2008, 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
  30 #include <string.h>
  31 #include <hildon/hildon.h>
  32 #include "modest-hildon2-window-mgr.h"
  33 #include "modest-msg-edit-window.h"
  34 #include "modest-main-window.h"
  35 #include "modest-conf.h"
  36 #include "modest-defs.h"
  37 #include "modest-signal-mgr.h"
  38 #include "modest-runtime.h"
  39 #include "modest-platform.h"
  40 #include "modest-ui-actions.h"
  41 #include "modest-debug.h"
  42 #include "modest-tny-folder.h"
  43 #include "modest-folder-window.h"
  44 #include "modest-accounts-window.h"
  45 #include <modest-maemo-utils.h>
  46
  47 /* 'private'/'protected' functions */
  48 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  49 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  50 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  51
  52 static gboolean on_window_destroy        (ModestWindow *window,
  53                                           GdkEvent *event,
  54                                           ModestHildon2WindowMgr *self);
  55
  56 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  57                                                            ModestWindow *window,
  58                                                            ModestWindow *parent);
  59 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  60                                                          ModestWindow *window);
  61 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  62                                                            gboolean on);
  63 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  64 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  65                                                      GType window_type,
  66                                                      gboolean show_toolbars,
  67                                                      gboolean fullscreen);
  68 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  69 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  70 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  71                                                  GtkWindow *window,
  72                                                  GtkWindow *parent);
  73 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  74                                                                   TnyHeader *header,
  75                                                                   ModestWindow **win);
  76 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  77 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  78 static gboolean window_can_close (ModestWindow *window);
  79 static gboolean window_has_modals (ModestWindow *window);
  80 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  81 static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
  82 static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
  83 static void osso_display_event_cb (osso_display_state_t state,
  84                                    gpointer data);
  85
  86 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  87 struct _ModestHildon2WindowMgrPrivate {
  88         GList        *window_list;
  89         GMutex       *queue_lock;
  90         GQueue       *modal_windows;
  91
  92         gboolean     fullscreen_mode;
  93
  94         GHashTable   *destroy_handlers;
  95         GHashTable   *viewer_handlers;
  96         GSList       *window_state_uids;
  97
  98         guint        closing_time;
  99
 100         GSList       *modal_handler_uids;
 101         ModestWindow *current_top;
 102
 103         /* Display state */
 104         osso_display_state_t display_state;
 105 };
 106 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 107                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 108                                                                                    ModestHildon2WindowMgrPrivate))
 109 /* globals */
 110 static GObjectClass *parent_class = NULL;
 111
 112 GType
 113 modest_hildon2_window_mgr_get_type (void)
 114 {
 115         static GType my_type = 0;
 116         if (!my_type) {
 117                 static const GTypeInfo my_info = {
 118                         sizeof(ModestHildon2WindowMgrClass),
 119                         NULL,           /* base init */
 120                         NULL,           /* base finalize */
 121                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 122                         NULL,           /* class finalize */
 123                         NULL,           /* class data */
 124                         sizeof(ModestHildon2WindowMgr),
 125                         1,              /* n_preallocs */
 126                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 127                         NULL
 128                 };
 129                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 130                                                   "ModestHildon2WindowMgr",
 131                                                   &my_info, 0);
 132         }
 133         return my_type;
 134 }
 135
 136 static void
 137 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 138 {
 139         GObjectClass *gobject_class;
 140         ModestWindowMgrClass *mgr_class;
 141
 142         gobject_class = (GObjectClass*) klass;
 143         mgr_class = (ModestWindowMgrClass *) klass;
 144
 145         parent_class            = g_type_class_peek_parent (klass);
 146         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 147         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 148         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 149         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 150         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 151         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 152         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 153         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 154         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 155         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 156         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 157         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 158         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 159         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 160         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 161
 162         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 163
 164 }
 165
 166 static void
 167 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 168 {
 169         ModestHildon2WindowMgrPrivate *priv;
 170
 171         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 172         priv->window_list = NULL;
 173         priv->fullscreen_mode = FALSE;
 174         priv->window_state_uids = NULL;
 175
 176         priv->modal_windows = g_queue_new ();
 177         priv->queue_lock = g_mutex_new ();
 178
 179         /* Could not initialize it from gconf, singletons are not
 180            ready yet */
 181         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 182         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 183
 184         priv->closing_time = 0;
 185
 186         priv->modal_handler_uids = NULL;
 187         priv->display_state = OSSO_DISPLAY_ON;
 188
 189         /* Listen for changes in the screen, we don't want to show a
 190            led pattern when the display is on for example */
 191         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 192                                       osso_display_event_cb,
 193                                       obj);
 194
 195 }
 196
 197 static void
 198 modest_hildon2_window_mgr_finalize (GObject *obj)
 199 {
 200         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 201
 202         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 203         priv->window_state_uids = NULL;
 204
 205         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 206                                       NULL,
 207                                       NULL);
 208         if (priv->window_list) {
 209                 GList *iter = priv->window_list;
 210                 /* unregister pending windows */
 211                 while (iter) {
 212                         ModestWindow *window = (ModestWindow *) iter->data;
 213                         iter = g_list_next (iter);
 214                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 215                 }
 216                 g_list_free (priv->window_list);
 217                 priv->window_list = NULL;
 218         }
 219
 220         /* Free the hash table with the handlers */
 221         if (priv->destroy_handlers) {
 222                 g_hash_table_destroy (priv->destroy_handlers);
 223                 priv->destroy_handlers = NULL;
 224         }
 225
 226         if (priv->viewer_handlers) {
 227                 g_hash_table_destroy (priv->viewer_handlers);
 228                 priv->viewer_handlers = NULL;
 229         }
 230
 231         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 232         priv->modal_handler_uids = NULL;
 233
 234         if (priv->modal_windows) {
 235                 g_mutex_lock (priv->queue_lock);
 236                 g_queue_free (priv->modal_windows);
 237                 priv->modal_windows = NULL;
 238                 g_mutex_unlock (priv->queue_lock);
 239         }
 240         g_mutex_free (priv->queue_lock);
 241
 242         /* Do not unref priv->main_window because it does not hold a
 243            new reference */
 244
 245         G_OBJECT_CLASS(parent_class)->finalize (obj);
 246 }
 247
 248 ModestWindowMgr*
 249 modest_hildon2_window_mgr_new (void)
 250 {
 251         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 252 }
 253
 254 static gboolean
 255 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 256 {
 257         ModestHildon2WindowMgrPrivate *priv = NULL;
 258         gboolean ret_value = FALSE;
 259         GtkWidget *window;
 260         HildonWindowStack *stack;
 261         gboolean failed = FALSE;
 262
 263         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 264         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 265
 266         stack = hildon_window_stack_get_default ();
 267
 268         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 269                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 270                 if (ret_value == TRUE) {
 271                         failed = TRUE;
 272                         break;
 273                 }
 274         }
 275
 276         return !failed;
 277 }
 278
 279 static gint
 280 compare_msguids (ModestWindow *win,
 281                  const gchar *uid)
 282 {
 283         const gchar *msg_uid;
 284
 285         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 286                 return 1;
 287
 288         /* Get message uid from msg window */
 289         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 290                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 291                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 292                         return 0;
 293         } else {
 294                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 295         }
 296
 297         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 298                 return 0;
 299         else
 300                 return 1;
 301 }
 302
 303 static gboolean
 304 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 305                                                   ModestWindow **win)
 306 {
 307         ModestHildon2WindowMgrPrivate *priv = NULL;
 308         gchar* uid = NULL;
 309         gboolean has_header, has_window = FALSE;
 310         GList *item = NULL;
 311
 312         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 313         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 314
 315         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 316
 317         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 318
 319         uid = modest_tny_folder_get_header_unique_id (header);
 320
 321         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 322         if (item) {
 323                 has_window = TRUE;
 324                 if (win) {
 325                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 326                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 327                                 g_debug ("not a valid window!");
 328                         else {
 329                                 g_debug ("found a window");
 330                                 *win = MODEST_WINDOW (item->data);
 331                         }
 332                 }
 333         }
 334         g_free (uid);
 335
 336         return has_header || has_window;
 337 }
 338
 339 static GList *
 340 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 341 {
 342         ModestHildon2WindowMgrPrivate *priv;
 343
 344         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 345         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 346
 347         return g_list_copy (priv->window_list);
 348 }
 349
 350 static gboolean
 351 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 352                                            ModestWindow *window,
 353                                            ModestWindow *parent)
 354 {
 355         GList *win;
 356         ModestHildon2WindowMgrPrivate *priv;
 357         gint *handler_id;
 358         HildonProgram *program;
 359         HildonWindowStack *stack;
 360         gboolean nested_msg = FALSE;
 361         ModestWindow *current_top;
 362
 363         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 364         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 365
 366         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 367
 368         program = hildon_program_get_instance ();
 369         win = g_list_find (priv->window_list, window);
 370         if (win) {
 371                 /* this is for the case we want to register the window and it was already
 372                  * registered. We leave silently, telling the operation was succesful.
 373                  */
 374                 gtk_window_present (GTK_WINDOW (win));
 375                 return TRUE;
 376         }
 377
 378         stack = hildon_window_stack_get_default ();
 379
 380         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 381                 goto fail;
 382
 383         /* Add to list. Keep a reference to the window */
 384         g_object_ref (window);
 385         priv->window_list = g_list_prepend (priv->window_list, window);
 386
 387         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 388         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 389                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 390
 391         /* Close views if they're being shown. Nevertheless we must
 392            allow nested messages */
 393         if (!nested_msg &&
 394             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 395              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 396                 gboolean retval;
 397
 398                 /* If the current view has modal dialogs then
 399                    we fail to register the new view */
 400                 if ((current_top != NULL) &&
 401                     window_has_modals (MODEST_WINDOW (current_top))) {
 402                         /* Window on top but it has opened dialogs */
 403                         goto fail;
 404                 }
 405
 406                 /* Close the current view */
 407                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 408                 if (retval == TRUE) {
 409                         /* Cancelled closing top window, then we fail to register */
 410                         goto fail;
 411                 }
 412         }
 413
 414         /* Listen to object destruction */
 415         handler_id = g_malloc0 (sizeof (gint));
 416         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 417         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 418
 419         /* Show toolbar always */
 420         modest_window_show_toolbar (window, TRUE);
 421
 422         return TRUE;
 423 fail:
 424         /* Add to list. Keep a reference to the window */
 425         priv->window_list = g_list_remove (priv->window_list, window);
 426         g_object_unref (window);
 427         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 428         if (current_top)
 429                 gtk_window_present (GTK_WINDOW (current_top));
 430         return FALSE;
 431 }
 432
 433 static void
 434 cancel_window_operations (ModestWindow *window)
 435 {
 436         GSList* pending_ops = NULL;
 437
 438         /* cancel open and receive operations */
 439         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 440                                                                  G_OBJECT (window));
 441         while (pending_ops != NULL) {
 442                 ModestMailOperationTypeOperation type;
 443                 GSList* tmp_list = NULL;
 444
 445                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 446                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 447                         modest_mail_operation_cancel (pending_ops->data);
 448                 }
 449                 g_object_unref (G_OBJECT (pending_ops->data));
 450                 tmp_list = pending_ops;
 451                 pending_ops = g_slist_next (pending_ops);
 452                 g_slist_free_1 (tmp_list);
 453         }
 454 }
 455
 456 static gboolean
 457 window_has_modals (ModestWindow *window)
 458 {
 459         GList *toplevels;
 460         GList *node;
 461         gboolean retvalue = FALSE;
 462
 463         /* First we fetch all toplevels */
 464         toplevels = gtk_window_list_toplevels ();
 465         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 466                 if (GTK_IS_WINDOW (node->data) &&
 467                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 468                     GTK_WIDGET_VISIBLE (node->data)) {
 469                         retvalue = TRUE;
 470                         break;
 471                 }
 472         }
 473         g_list_free (toplevels);
 474         return retvalue;
 475 }
 476
 477 static gboolean
 478 window_can_close (ModestWindow *window)
 479 {
 480         /* An editor can be always closed no matter the dialogs it has
 481          * on top. */
 482         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 483                 return TRUE;
 484
 485         return !window_has_modals (window);
 486 }
 487
 488 static gboolean
 489 on_window_destroy (ModestWindow *window,
 490                    GdkEvent *event,
 491                    ModestHildon2WindowMgr *self)
 492 {
 493         gboolean no_propagate = FALSE;
 494
 495         if (!window_can_close (window))
 496                 return TRUE;
 497
 498         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 499                 gboolean sent = FALSE;
 500                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 501                 /* Save currently edited message to Drafts if it was not sent */
 502                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 503
 504                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 505                                 return TRUE;
 506                 }
 507         }
 508
 509         /* Unregister window */
 510         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 511         no_propagate = FALSE;
 512
 513         return no_propagate;
 514 }
 515
 516 static void
 517 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 518                                              ModestWindow *window)
 519 {
 520         GList *win;
 521         ModestHildon2WindowMgrPrivate *priv;
 522         gulong *tmp, handler_id;
 523         guint num_windows;
 524
 525         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 526         g_return_if_fail (MODEST_IS_WINDOW (window));
 527
 528         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 529
 530         win = g_list_find (priv->window_list, window);
 531         if (!win) {
 532                 g_warning ("Trying to unregister a window that has not being registered yet");
 533                 return;
 534         }
 535
 536         /* Remove the viewer window handler from the hash table. The
 537            HashTable could not exist if the main window was closed
 538            when there were other windows remaining */
 539         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 540                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 541                 /* If the viewer was created without a main window
 542                    (for example when opening a message through D-Bus
 543                    the viewer handlers was not registered */
 544                 if (tmp) {
 545                         g_signal_handler_disconnect (window, *tmp);
 546                         g_hash_table_remove (priv->viewer_handlers, window);
 547                 }
 548         }
 549
 550         /* Remove from list & hash table */
 551         priv->window_list = g_list_remove_link (priv->window_list, win);
 552         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 553         handler_id = *tmp;
 554
 555         g_hash_table_remove (priv->destroy_handlers, window);
 556
 557         /* cancel open and receive operations */
 558         cancel_window_operations (window);
 559
 560         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 561         if (priv->window_state_uids) {
 562                 priv->window_state_uids =
 563                         modest_signal_mgr_disconnect (priv->window_state_uids,
 564                                                       G_OBJECT (window),
 565                                                       "notify::is-topmost");
 566         }
 567
 568         /* Disconnect the "delete-event" handler, we won't need it anymore */
 569         g_signal_handler_disconnect (window, handler_id);
 570
 571         /* Destroy the window */
 572         g_object_unref (win->data);
 573         g_list_free (win);
 574
 575         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 576
 577         /* We have to get the number of windows here in order not to
 578            emit the signal too many times */
 579         num_windows = modest_window_mgr_get_num_windows (self);
 580
 581         /* If there are no more windows registered emit the signal */
 582         if (num_windows == 0)
 583                 g_signal_emit_by_name (self, "window-list-empty");
 584 }
 585
 586
 587 static void
 588 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 589                                                gboolean on)
 590 {
 591         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 592
 593         return;
 594 }
 595
 596 static gboolean
 597 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 598 {
 599         return FALSE;
 600 }
 601
 602 static void
 603 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 604                                          GType window_type,
 605                                          gboolean show_toolbars,
 606                                          gboolean fullscreen)
 607 {
 608         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 609
 610         return;
 611 }
 612
 613 static ModestWindow*
 614 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 615 {
 616         ModestHildon2WindowMgrPrivate *priv;
 617         ModestWindow *result;
 618
 619         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 620         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 621
 622         /* TODO: make this return NULL always */
 623
 624         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 625         /* create the main window, if it hasn't been created yet */
 626         if (!result && show) {
 627                 /* modest_window_mgr_register_window will set priv->main_window */
 628                 result = modest_main_window_new ();
 629                 /* We have to remove all other windows */
 630                 if (!modest_window_mgr_close_all_windows (self)) {
 631                         gtk_widget_destroy (GTK_WIDGET (result));
 632                         return NULL;
 633                 }
 634                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 635                         gtk_widget_destroy (GTK_WIDGET (result));
 636                         return NULL;
 637                 }
 638                 MODEST_DEBUG_BLOCK(
 639                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 640                 );
 641         }
 642         if (show) {
 643                 gtk_widget_show_all (GTK_WIDGET (result));
 644                 gtk_window_present (GTK_WINDOW (result));
 645         }
 646
 647         return result;
 648 }
 649
 650
 651 static GtkWindow *
 652 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 653 {
 654         ModestHildon2WindowMgrPrivate *priv;
 655         GList *toplevel_list;
 656         GtkWidget *toplevel;
 657
 658         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 659         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 660
 661         toplevel = NULL;
 662         toplevel_list = gtk_window_list_toplevels ();
 663         while (toplevel_list) {
 664                 if (gtk_window_is_active (toplevel_list->data)) {
 665                         toplevel = toplevel_list->data;
 666                         break;
 667                 }
 668                 toplevel_list = g_list_next (toplevel_list);
 669         }
 670
 671         return NULL;
 672 }
 673
 674
 675 static void
 676 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 677                                      GtkWindow *window,
 678                                      GtkWindow *parent)
 679 {
 680         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 681         g_return_if_fail (GTK_IS_WINDOW (window));
 682
 683         gtk_window_set_modal (window, TRUE);
 684         gtk_window_set_transient_for (window, parent);
 685         gtk_window_set_destroy_with_parent (window, TRUE);
 686 }
 687
 688 static ModestWindow *
 689 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 690 {
 691         ModestWindow *initial_window = NULL;
 692
 693         /* Return accounts window */
 694         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 695         modest_window_mgr_register_window (self, initial_window, NULL);
 696
 697         return initial_window;
 698 }
 699
 700
 701 static ModestWindow *
 702 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 703 {
 704         HildonWindowStack *stack;
 705         stack = hildon_window_stack_get_default ();
 706         return (ModestWindow *) hildon_window_stack_peek (stack);
 707 }
 708
 709 static gint
 710 find_folder_window (gconstpointer a,
 711                     gconstpointer b)
 712 {
 713         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 714 }
 715
 716 ModestWindow *
 717 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 718 {
 719         ModestHildon2WindowMgrPrivate *priv;
 720         GList *window;
 721
 722         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 723
 724         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 725
 726         window = g_list_find_custom (priv->window_list,
 727                                      NULL,
 728                                      find_folder_window);
 729
 730         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 731 }
 732
 733 static gboolean
 734 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 735 {
 736         ModestHildon2WindowMgrPrivate *priv = NULL;
 737
 738         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 739
 740         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 741
 742         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 743 }
 744
 745 static void
 746 osso_display_event_cb (osso_display_state_t state,
 747                        gpointer data)
 748 {
 749         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 750
 751         priv->display_state = state;
 752
 753         /* Stop blinking if the screen becomes on */
 754         if (priv->display_state == OSSO_DISPLAY_ON)
 755                 modest_platform_remove_new_mail_notifications (TRUE);
 756 }
 757