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
  46 /* 'private'/'protected' functions */
  47 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  48 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  49 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  50
  51 static gboolean on_window_destroy        (ModestWindow *window,
  52                                           GdkEvent *event,
  53                                           ModestHildon2WindowMgr *self);
  54
  55 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  56                                                            ModestWindow *window,
  57                                                            ModestWindow *parent);
  58 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  59                                                          ModestWindow *window);
  60 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  61                                                            gboolean on);
  62 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  63 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  64                                                      GType window_type,
  65                                                      gboolean show_toolbars,
  66                                                      gboolean fullscreen);
  67 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  68 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  69 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  70                                                  GtkWindow *window,
  71                                                  GtkWindow *parent);
  72 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  73                                                                   TnyHeader *header,
  74                                                                   ModestWindow **win);
  75 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  76 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  77 static gboolean window_can_close (ModestWindow *window);
  78 static gboolean window_has_modals (ModestWindow *window);
  79 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  80
  81 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  82 struct _ModestHildon2WindowMgrPrivate {
  83         GList        *window_list;
  84         GMutex       *queue_lock;
  85         GQueue       *modal_windows;
  86
  87         gboolean     fullscreen_mode;
  88
  89         GHashTable   *destroy_handlers;
  90         GHashTable   *viewer_handlers;
  91         GSList       *window_state_uids;
  92
  93         guint        closing_time;
  94
  95         GSList       *modal_handler_uids;
  96         ModestWindow *current_top;
  97 };
  98 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  99                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 100                                                                                    ModestHildon2WindowMgrPrivate))
 101 /* globals */
 102 static GObjectClass *parent_class = NULL;
 103
 104 GType
 105 modest_hildon2_window_mgr_get_type (void)
 106 {
 107         static GType my_type = 0;
 108         if (!my_type) {
 109                 static const GTypeInfo my_info = {
 110                         sizeof(ModestHildon2WindowMgrClass),
 111                         NULL,           /* base init */
 112                         NULL,           /* base finalize */
 113                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 114                         NULL,           /* class finalize */
 115                         NULL,           /* class data */
 116                         sizeof(ModestHildon2WindowMgr),
 117                         1,              /* n_preallocs */
 118                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 119                         NULL
 120                 };
 121                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 122                                                   "ModestHildon2WindowMgr",
 123                                                   &my_info, 0);
 124         }
 125         return my_type;
 126 }
 127
 128 static void
 129 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 130 {
 131         GObjectClass *gobject_class;
 132         ModestWindowMgrClass *mgr_class;
 133
 134         gobject_class = (GObjectClass*) klass;
 135         mgr_class = (ModestWindowMgrClass *) klass;
 136
 137         parent_class            = g_type_class_peek_parent (klass);
 138         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 139         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 140         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 141         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 142         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 143         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 144         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 145         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 146         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 147         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 148         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 149         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 150         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 151
 152         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 153
 154 }
 155
 156 static void
 157 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 158 {
 159         ModestHildon2WindowMgrPrivate *priv;
 160
 161         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 162         priv->window_list = NULL;
 163         priv->fullscreen_mode = FALSE;
 164         priv->current_top = NULL;
 165         priv->window_state_uids = NULL;
 166
 167         priv->modal_windows = g_queue_new ();
 168         priv->queue_lock = g_mutex_new ();
 169
 170         /* Could not initialize it from gconf, singletons are not
 171            ready yet */
 172         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 173         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 174
 175         priv->closing_time = 0;
 176
 177         priv->modal_handler_uids = NULL;
 178 }
 179
 180 static void
 181 modest_hildon2_window_mgr_finalize (GObject *obj)
 182 {
 183         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 184
 185         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 186         priv->window_state_uids = NULL;
 187
 188         if (priv->window_list) {
 189                 GList *iter = priv->window_list;
 190                 /* unregister pending windows */
 191                 while (iter) {
 192                         ModestWindow *window = (ModestWindow *) iter->data;
 193                         iter = g_list_next (iter);
 194                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 195                 }
 196                 g_list_free (priv->window_list);
 197                 priv->window_list = NULL;
 198         }
 199
 200         /* Free the hash table with the handlers */
 201         if (priv->destroy_handlers) {
 202                 g_hash_table_destroy (priv->destroy_handlers);
 203                 priv->destroy_handlers = NULL;
 204         }
 205
 206         if (priv->viewer_handlers) {
 207                 g_hash_table_destroy (priv->viewer_handlers);
 208                 priv->viewer_handlers = NULL;
 209         }
 210
 211         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 212         priv->modal_handler_uids = NULL;
 213
 214         if (priv->modal_windows) {
 215                 g_mutex_lock (priv->queue_lock);
 216                 g_queue_free (priv->modal_windows);
 217                 priv->modal_windows = NULL;
 218                 g_mutex_unlock (priv->queue_lock);
 219         }
 220         g_mutex_free (priv->queue_lock);
 221
 222         /* Do not unref priv->main_window because it does not hold a
 223            new reference */
 224
 225         G_OBJECT_CLASS(parent_class)->finalize (obj);
 226 }
 227
 228 ModestWindowMgr*
 229 modest_hildon2_window_mgr_new (void)
 230 {
 231         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 232 }
 233
 234 static gboolean
 235 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 236 {
 237         ModestHildon2WindowMgrPrivate *priv = NULL;
 238         gboolean ret_value = FALSE;
 239         GtkWidget *window;
 240         HildonWindowStack *stack;
 241         gboolean failed = FALSE;
 242
 243         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 244         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 245
 246         stack = hildon_window_stack_get_default ();
 247
 248         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 249                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 250                 if (ret_value == TRUE) {
 251                         failed = TRUE;
 252                         break;
 253                 }
 254         }
 255
 256         return !failed;
 257 }
 258
 259 static gint
 260 compare_msguids (ModestWindow *win,
 261                  const gchar *uid)
 262 {
 263         const gchar *msg_uid;
 264
 265         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 266                 return 1;
 267
 268         /* Get message uid from msg window */
 269         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 270                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 271                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 272                         return 0;
 273         } else {
 274                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 275         }
 276
 277         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 278                 return 0;
 279         else
 280                 return 1;
 281 }
 282
 283 static gboolean
 284 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 285                                                   ModestWindow **win)
 286 {
 287         ModestHildon2WindowMgrPrivate *priv = NULL;
 288         gchar* uid = NULL;
 289         gboolean has_header, has_window = FALSE;
 290         GList *item = NULL;
 291
 292         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 293         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 294
 295         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 296
 297         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 298
 299         uid = modest_tny_folder_get_header_unique_id (header);
 300
 301         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 302         if (item) {
 303                 has_window = TRUE;
 304                 if (win) {
 305                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 306                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 307                                 g_debug ("not a valid window!");
 308                         else {
 309                                 g_debug ("found a window");
 310                                 *win = MODEST_WINDOW (item->data);
 311                         }
 312                 }
 313         }
 314         g_free (uid);
 315
 316         return has_header || has_window;
 317 }
 318
 319 static GList *
 320 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 321 {
 322         ModestHildon2WindowMgrPrivate *priv;
 323
 324         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 325         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 326
 327         return g_list_copy (priv->window_list);
 328 }
 329
 330 static gboolean
 331 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 332                                            ModestWindow *window,
 333                                            ModestWindow *parent)
 334 {
 335         GList *win;
 336         ModestHildon2WindowMgrPrivate *priv;
 337         gint *handler_id;
 338         HildonProgram *program;
 339         GtkWidget *current_top;
 340         HildonWindowStack *stack;
 341         gboolean nested_msg = FALSE;
 342
 343         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 344         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 345
 346         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 347
 348         program = hildon_program_get_instance ();
 349         win = g_list_find (priv->window_list, window);
 350         if (win) {
 351                 /* this is for the case we want to register the window and it was already
 352                  * registered. We leave silently, telling the operation was succesful.
 353                  */
 354                 gtk_window_present (GTK_WINDOW (win));
 355                 return TRUE;
 356         }
 357
 358         stack = hildon_window_stack_get_default ();
 359
 360         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 361                 goto fail;
 362
 363         /* Add to list. Keep a reference to the window */
 364         g_object_ref (window);
 365         priv->window_list = g_list_prepend (priv->window_list, window);
 366
 367         current_top = hildon_window_stack_peek (stack);
 368         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 369                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 370
 371         /* Close views if they're being shown. Nevertheless we must
 372            allow nested messages */
 373         if (!nested_msg &&
 374             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 375              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 376                 gboolean retval;
 377
 378                 /* If the current view has modal dialogs then
 379                    we fail to register the new view */
 380                 if ((current_top != NULL) &&
 381                     window_has_modals (MODEST_WINDOW (current_top))) {
 382                         /* Window on top but it has opened dialogs */
 383                         goto fail;
 384                 }
 385
 386                 /* Close the current view */
 387                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 388                 if (retval == TRUE) {
 389                         /* Cancelled closing top window, then we fail to register */
 390                         goto fail;
 391                 }
 392         }
 393
 394         /* Listen to object destruction */
 395         handler_id = g_malloc0 (sizeof (gint));
 396         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 397         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 398
 399         /* Show toolbar always */
 400         modest_window_show_toolbar (window, TRUE);
 401
 402         return TRUE;
 403 fail:
 404         /* Add to list. Keep a reference to the window */
 405         priv->window_list = g_list_remove (priv->window_list, window);
 406         g_object_unref (window);
 407         current_top = hildon_window_stack_peek (stack);
 408         if (current_top)
 409                 gtk_window_present (GTK_WINDOW (current_top));
 410         return FALSE;
 411 }
 412
 413 static void
 414 cancel_window_operations (ModestWindow *window)
 415 {
 416         GSList* pending_ops = NULL;
 417
 418         /* cancel open and receive operations */
 419         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 420                                                                  G_OBJECT (window));
 421         while (pending_ops != NULL) {
 422                 ModestMailOperationTypeOperation type;
 423                 GSList* tmp_list = NULL;
 424
 425                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 426                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 427                         modest_mail_operation_cancel (pending_ops->data);
 428                 }
 429                 g_object_unref (G_OBJECT (pending_ops->data));
 430                 tmp_list = pending_ops;
 431                 pending_ops = g_slist_next (pending_ops);
 432                 g_slist_free_1 (tmp_list);
 433         }
 434 }
 435
 436 static gboolean
 437 window_has_modals (ModestWindow *window)
 438 {
 439         GList *toplevels;
 440         GList *node;
 441         gboolean retvalue = FALSE;
 442
 443         /* First we fetch all toplevels */
 444         toplevels = gtk_window_list_toplevels ();
 445         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 446                 if (GTK_IS_WINDOW (node->data) &&
 447                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 448                     GTK_WIDGET_VISIBLE (node->data)) {
 449                         retvalue = TRUE;
 450                         break;
 451                 }
 452         }
 453         g_list_free (toplevels);
 454         return retvalue;
 455 }
 456
 457 static gboolean
 458 window_can_close (ModestWindow *window)
 459 {
 460         /* An editor can be always closed no matter the dialogs it has
 461          * on top. */
 462         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 463                 return TRUE;
 464
 465         return !window_has_modals (window);
 466 }
 467
 468 static gboolean
 469 on_window_destroy (ModestWindow *window,
 470                    GdkEvent *event,
 471                    ModestHildon2WindowMgr *self)
 472 {
 473         gboolean no_propagate = FALSE;
 474
 475         if (!window_can_close (window))
 476                 return TRUE;
 477
 478         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 479                 gboolean sent = FALSE;
 480                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 481                 /* Save currently edited message to Drafts if it was not sent */
 482                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 483
 484                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 485                                 return TRUE;
 486                 }
 487         }
 488
 489         /* Unregister window */
 490         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 491         no_propagate = FALSE;
 492
 493         return no_propagate;
 494 }
 495
 496 static void
 497 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 498                                              ModestWindow *window)
 499 {
 500         GList *win;
 501         ModestHildon2WindowMgrPrivate *priv;
 502         gulong *tmp, handler_id;
 503         gboolean check_close_all = FALSE;
 504         guint num_windows;
 505
 506         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 507         g_return_if_fail (MODEST_IS_WINDOW (window));
 508
 509         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 510
 511         win = g_list_find (priv->window_list, window);
 512         if (!win) {
 513                 g_warning ("Trying to unregister a window that has not being registered yet");
 514                 return;
 515         }
 516
 517         /* Remember this for the end of the method */
 518         if (MODEST_IS_FOLDER_WINDOW (window))
 519                 check_close_all = TRUE;
 520
 521         /* Remove the viewer window handler from the hash table. The
 522            HashTable could not exist if the main window was closed
 523            when there were other windows remaining */
 524         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 525                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 526                 /* If the viewer was created without a main window
 527                    (for example when opening a message through D-Bus
 528                    the viewer handlers was not registered */
 529                 if (tmp) {
 530                         g_signal_handler_disconnect (window, *tmp);
 531                         g_hash_table_remove (priv->viewer_handlers, window);
 532                 }
 533         }
 534
 535         /* Remove from list & hash table */
 536         priv->window_list = g_list_remove_link (priv->window_list, win);
 537         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 538         handler_id = *tmp;
 539
 540         g_hash_table_remove (priv->destroy_handlers, window);
 541
 542         /* cancel open and receive operations */
 543         cancel_window_operations (window);
 544
 545         /* Check if it's the topmost window, and remove the window from the stack.
 546          * This is needed for the cases there's no other topmost window that will
 547          * replace it in topmost handler.
 548          */
 549          if (window == priv->current_top)
 550                  priv->current_top = NULL;
 551
 552         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 553         if (priv->window_state_uids) {
 554                 priv->window_state_uids =
 555                         modest_signal_mgr_disconnect (priv->window_state_uids,
 556                                                       G_OBJECT (window),
 557                                                       "notify::is-topmost");
 558         }
 559
 560         /* Disconnect the "delete-event" handler, we won't need it anymore */
 561         g_signal_handler_disconnect (window, handler_id);
 562
 563         /* Destroy the window */
 564         g_object_unref (win->data);
 565         g_list_free (win);
 566
 567         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 568
 569         /* We have to get the number of windows here in order not to
 570            emit the signal too many times */
 571         num_windows = modest_window_mgr_get_num_windows (self);
 572
 573         /* Check if we have to destroy the accounts window as
 574            well. This happens if we only have one or none remote
 575            accounts */
 576         if (check_close_all) {
 577                 ModestTnyAccountStore *acc_store = modest_runtime_get_account_store ();
 578                 if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 2)
 579                         modest_window_mgr_close_all_windows (self);
 580         }
 581
 582         /* If there are no more windows registered emit the signal */
 583         if (num_windows == 0)
 584                 g_signal_emit_by_name (self, "window-list-empty");
 585 }
 586
 587
 588 static void
 589 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 590                                                gboolean on)
 591 {
 592         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 593
 594         return;
 595 }
 596
 597 static gboolean
 598 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 599 {
 600         return FALSE;
 601 }
 602
 603 static void
 604 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 605                                          GType window_type,
 606                                          gboolean show_toolbars,
 607                                          gboolean fullscreen)
 608 {
 609         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 610
 611         return;
 612 }
 613
 614 static ModestWindow*
 615 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 616 {
 617         ModestHildon2WindowMgrPrivate *priv;
 618         ModestWindow *result;
 619
 620         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 621         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 622
 623         /* TODO: make this return NULL always */
 624
 625         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 626         /* create the main window, if it hasn't been created yet */
 627         if (!result && show) {
 628                 /* modest_window_mgr_register_window will set priv->main_window */
 629                 result = modest_main_window_new ();
 630                 /* We have to remove all other windows */
 631                 if (!modest_window_mgr_close_all_windows (self)) {
 632                         gtk_widget_destroy (GTK_WIDGET (result));
 633                         return NULL;
 634                 }
 635                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 636                         gtk_widget_destroy (GTK_WIDGET (result));
 637                         return NULL;
 638                 }
 639                 MODEST_DEBUG_BLOCK(
 640                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 641                 );
 642         }
 643         if (show) {
 644                 gtk_widget_show_all (GTK_WIDGET (result));
 645                 gtk_window_present (GTK_WINDOW (result));
 646         }
 647
 648         return result;
 649 }
 650
 651
 652 static GtkWindow *
 653 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 654 {
 655         ModestHildon2WindowMgrPrivate *priv;
 656         GList *toplevel_list;
 657         GtkWidget *toplevel;
 658
 659         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 660         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 661
 662         toplevel = NULL;
 663         toplevel_list = gtk_window_list_toplevels ();
 664         while (toplevel_list) {
 665                 if (gtk_window_is_active (toplevel_list->data)) {
 666                         toplevel = toplevel_list->data;
 667                         break;
 668                 }
 669                 toplevel_list = g_list_next (toplevel_list);
 670         }
 671
 672         return NULL;
 673 }
 674
 675
 676 static void
 677 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 678                                      GtkWindow *window,
 679                                      GtkWindow *parent)
 680 {
 681         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 682         g_return_if_fail (GTK_IS_WINDOW (window));
 683
 684         gtk_window_set_modal (window, TRUE);
 685         gtk_window_set_transient_for (window, parent);
 686         gtk_window_set_destroy_with_parent (window, TRUE);
 687 }
 688
 689 static ModestWindow *
 690 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 691 {
 692         ModestWindow *initial_window = NULL;
 693         ModestTnyAccountStore *acc_store;
 694
 695         /* Always create accounts window. We'll decide later if we
 696            want to show it or not, depending the number of accounts */
 697         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 698         modest_window_mgr_register_window (self, initial_window, NULL);
 699
 700         /* If there are less than 2 remote accounts then directly show
 701            the folder window and do not show the accounts window */
 702         acc_store = modest_runtime_get_account_store ();
 703         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 2) {
 704                 ModestAccountMgr *mgr;
 705
 706                 /* Show first the accounts window to add it to the
 707                    stack. This has to be changed when the new
 708                    stackable API is available. There will be a method
 709                    to show all the windows that will only show the
 710                    last one to the user. The current code shows both
 711                    windows, one after the other */
 712                 gtk_widget_show (GTK_WIDGET (initial_window));
 713
 714                 initial_window = MODEST_WINDOW (modest_folder_window_new (NULL));
 715                 mgr = modest_runtime_get_account_mgr ();
 716                 modest_folder_window_set_account (MODEST_FOLDER_WINDOW (initial_window),
 717                                                   modest_account_mgr_get_default_account (mgr));
 718                 modest_window_mgr_register_window (self, initial_window, NULL);
 719         }
 720
 721         return initial_window;
 722 }
 723
 724 gint
 725 find_folder_window (gconstpointer a,
 726                     gconstpointer b)
 727 {
 728         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 729 }
 730
 731 ModestWindow *
 732 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 733 {
 734         ModestHildon2WindowMgrPrivate *priv;
 735         GList *window;
 736
 737         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 738
 739         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 740
 741         window = g_list_find_custom (priv->window_list,
 742                                      NULL,
 743                                      find_folder_window);
 744
 745         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 746 }