vcs.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-program.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
 226         G_OBJECT_CLASS(parent_class)->finalize (obj);
 227 }
 228
 229 ModestWindowMgr*
 230 modest_hildon2_window_mgr_new (void)
 231 {
 232         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 233 }
 234
 235 static gboolean
 236 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 237 {
 238         ModestHildon2WindowMgrPrivate *priv = NULL;
 239         gboolean ret_value = FALSE;
 240         HildonStackableWindow *window;
 241         HildonProgram *program;
 242         gboolean failed = FALSE;
 243
 244         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 245         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 246
 247         program = hildon_program_get_instance ();
 248
 249         while ((window = hildon_program_peek_window_stack (program)) != NULL) {
 250                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 251                 if (ret_value == TRUE) {
 252                         failed = TRUE;
 253                         break;
 254                 }
 255         }
 256
 257         return !failed;
 258 }
 259
 260 static gint
 261 compare_msguids (ModestWindow *win,
 262                  const gchar *uid)
 263 {
 264         const gchar *msg_uid;
 265
 266         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 267                 return 1;
 268
 269         /* Get message uid from msg window */
 270         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 271                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 272                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 273                         return 0;
 274         } else {
 275                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 276         }
 277
 278         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 279                 return 0;
 280         else
 281                 return 1;
 282 }
 283
 284 static gboolean
 285 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 286                                                   ModestWindow **win)
 287 {
 288         ModestHildon2WindowMgrPrivate *priv = NULL;
 289         gchar* uid = NULL;
 290         gboolean has_header, has_window = FALSE;
 291         GList *item = NULL;
 292
 293         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 294         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 295
 296         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 297
 298         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 299
 300         uid = modest_tny_folder_get_header_unique_id (header);
 301
 302         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 303         if (item) {
 304                 has_window = TRUE;
 305                 if (win) {
 306                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 307                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 308                                 g_debug ("not a valid window!");
 309                         else {
 310                                 g_debug ("found a window");
 311                                 *win = MODEST_WINDOW (item->data);
 312                         }
 313                 }
 314         }
 315         g_free (uid);
 316
 317         return has_header || has_window;
 318 }
 319
 320 static GList *
 321 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 322 {
 323         ModestHildon2WindowMgrPrivate *priv;
 324
 325         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 326         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 327
 328         return g_list_copy (priv->window_list);
 329 }
 330
 331 static gboolean
 332 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 333                                            ModestWindow *window,
 334                                            ModestWindow *parent)
 335 {
 336         GList *win;
 337         ModestHildon2WindowMgrPrivate *priv;
 338         gint *handler_id;
 339         HildonProgram *program;
 340         GtkWidget *current_top;
 341
 342         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 343         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 344
 345         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 346
 347         program = hildon_program_get_instance ();
 348         win = g_list_find (priv->window_list, window);
 349         if (win) {
 350                 /* this is for the case we want to register the window and it was already
 351                  * registered. We leave silently, telling the operation was succesful.
 352                  */
 353                 gtk_window_present (GTK_WINDOW (win));
 354                 return TRUE;
 355         }
 356
 357         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 358                 goto fail;
 359
 360         /* Add to list. Keep a reference to the window */
 361         g_object_ref (window);
 362         priv->window_list = g_list_prepend (priv->window_list, window);
 363
 364         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 365
 366         /* policy is: if no parent, then we close all up message views, but no account/folder/header window */
 367
 368         if (!parent || ((GtkWidget *) parent != current_top)) {
 369                 gboolean close_canceled = FALSE;
 370
 371                 if ((current_top != NULL) &&
 372                     window_has_modals (MODEST_WINDOW (current_top))) {
 373                         /* Window on top but it has opened dialogs */
 374                         goto fail;
 375                 }
 376                 while (current_top && !close_canceled) {
 377                         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 378                         if (MODEST_IS_MSG_VIEW_WINDOW (current_top) || MODEST_IS_MSG_EDIT_WINDOW (current_top)) {
 379                                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &close_canceled);
 380                         } else {
 381                                 break;
 382                         }
 383                 }
 384
 385                 if (close_canceled)
 386                         goto fail;
 387
 388         }
 389
 390         /* Listen to object destruction */
 391         handler_id = g_malloc0 (sizeof (gint));
 392         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 393         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 394
 395         /* Show toolbar always */
 396         modest_window_show_toolbar (window, TRUE);
 397
 398         return TRUE;
 399 fail:
 400         /* Add to list. Keep a reference to the window */
 401         priv->window_list = g_list_remove (priv->window_list, window);
 402         g_object_unref (window);
 403         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 404         if (current_top)
 405                 gtk_window_present (GTK_WINDOW (current_top));
 406         return FALSE;
 407 }
 408
 409 static void
 410 cancel_window_operations (ModestWindow *window)
 411 {
 412         GSList* pending_ops = NULL;
 413
 414         /* cancel open and receive operations */
 415         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 416                                                                  G_OBJECT (window));
 417         while (pending_ops != NULL) {
 418                 ModestMailOperationTypeOperation type;
 419                 GSList* tmp_list = NULL;
 420
 421                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 422                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 423                         modest_mail_operation_cancel (pending_ops->data);
 424                 }
 425                 g_object_unref (G_OBJECT (pending_ops->data));
 426                 tmp_list = pending_ops;
 427                 pending_ops = g_slist_next (pending_ops);
 428                 g_slist_free_1 (tmp_list);
 429         }
 430 }
 431
 432 static gboolean
 433 window_has_modals (ModestWindow *window)
 434 {
 435         GList *toplevels;
 436         GList *node;
 437         gboolean retvalue = FALSE;
 438
 439         /* First we fetch all toplevels */
 440         toplevels = gtk_window_list_toplevels ();
 441         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 442                 if (GTK_IS_WINDOW (node->data) &&
 443                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window)) {
 444                         retvalue = TRUE;
 445                         break;
 446                 }
 447         }
 448         g_list_free (toplevels);
 449         return retvalue;
 450 }
 451
 452 static gboolean
 453 window_can_close (ModestWindow *window)
 454 {
 455         /* An editor can be always closed no matter the dialogs it has
 456          * on top. */
 457         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 458                 return TRUE;
 459
 460         return !window_has_modals (window);
 461 }
 462
 463 static gboolean
 464 on_window_destroy (ModestWindow *window,
 465                    GdkEvent *event,
 466                    ModestHildon2WindowMgr *self)
 467 {
 468         gboolean no_propagate = FALSE;
 469
 470         if (!window_can_close (window)) {
 471                 return TRUE;
 472         }
 473         /* Specific stuff first */
 474         if (MODEST_IS_MAIN_WINDOW (window)) {
 475                 ModestHildon2WindowMgrPrivate *priv;
 476                 ModestMainWindowContentsStyle style;
 477                 priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 478
 479                 /* If we're on header view, then just go to folder view and don't close */
 480                 style = modest_main_window_get_contents_style (MODEST_MAIN_WINDOW (window));
 481                 if (style == MODEST_MAIN_WINDOW_CONTENTS_STYLE_HEADERS) {
 482                         modest_main_window_set_contents_style (MODEST_MAIN_WINDOW (window),
 483                                                                MODEST_MAIN_WINDOW_CONTENTS_STYLE_FOLDERS);
 484                         return TRUE;
 485                 }
 486
 487                 /* Do not unregister it, just hide */
 488                 gtk_widget_hide_all (GTK_WIDGET (window));
 489
 490                 /* Cancel pending operations */
 491                 cancel_window_operations (window);
 492
 493                 /* Fake the window system, make it think that there is no window */
 494                 if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) == 0)
 495                         g_signal_emit_by_name (self, "window-list-empty");
 496
 497                 no_propagate = TRUE;
 498         }
 499         else {
 500                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 501                         gboolean sent = FALSE;
 502                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 503                         /* Save currently edited message to Drafts if it was not sent */
 504                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 505
 506                           if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 507                                   return TRUE;
 508                         }
 509                 }
 510                 /* Unregister window */
 511                 modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 512                 no_propagate = FALSE;
 513         }
 514
 515         return no_propagate;
 516 }
 517
 518 static void
 519 disconnect_msg_changed (gpointer key,
 520                         gpointer value,
 521                         gpointer user_data)
 522 {
 523         guint handler_id;
 524         handler_id = GPOINTER_TO_UINT(value);
 525
 526         if (key && G_IS_OBJECT(key))
 527                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 528 }
 529
 530 static void
 531 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 532                                              ModestWindow *window)
 533 {
 534         GList *win;
 535         ModestHildon2WindowMgrPrivate *priv;
 536         gulong *tmp, handler_id;
 537
 538         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 539         g_return_if_fail (MODEST_IS_WINDOW (window));
 540
 541         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 542
 543         win = g_list_find (priv->window_list, window);
 544         if (!win) {
 545                 g_warning ("Trying to unregister a window that has not being registered yet");
 546                 return;
 547         }
 548
 549         /* If it's the main window unset it */
 550         if (MODEST_IS_MAIN_WINDOW (window)) {
 551                 modest_window_mgr_set_main_window (self, NULL);
 552
 553                 /* Disconnect all emissions of msg-changed */
 554                 if (priv->viewer_handlers) {
 555                         g_hash_table_foreach (priv->viewer_handlers,
 556                                               disconnect_msg_changed,
 557                                               NULL);
 558                         g_hash_table_destroy (priv->viewer_handlers);
 559                         priv->viewer_handlers = NULL;
 560                 }
 561         }
 562
 563         /* Remove the viewer window handler from the hash table. The
 564            HashTable could not exist if the main window was closed
 565            when there were other windows remaining */
 566         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 567                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 568                 /* If the viewer was created without a main window
 569                    (for example when opening a message through D-Bus
 570                    the viewer handlers was not registered */
 571                 if (tmp) {
 572                         g_signal_handler_disconnect (window, *tmp);
 573                         g_hash_table_remove (priv->viewer_handlers, window);
 574                 }
 575         }
 576
 577         /* Remove from list & hash table */
 578         priv->window_list = g_list_remove_link (priv->window_list, win);
 579         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 580         handler_id = *tmp;
 581
 582         g_hash_table_remove (priv->destroy_handlers, window);
 583
 584         /* cancel open and receive operations */
 585         cancel_window_operations (window);
 586
 587         /* Check if it's the topmost window, and remove the window from the stack.
 588          * This is needed for the cases there's no other topmost window that will
 589          * replace it in topmost handler.
 590          */
 591          if (window == priv->current_top)
 592                  priv->current_top = NULL;
 593
 594         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 595         if (priv->window_state_uids) {
 596 #ifndef MODEST_TOOLKIT_GTK
 597                 priv->window_state_uids =
 598                         modest_signal_mgr_disconnect (priv->window_state_uids,
 599                                                       G_OBJECT (window),
 600                                                       "notify::is-topmost");
 601 #else
 602                 priv->window_state_uids =
 603                         modest_signal_mgr_disconnect (priv->window_state_uids,
 604                                                       G_OBJECT (window),
 605                                                       "window-state-event");
 606 #endif
 607         }
 608
 609         /* Disconnect the "delete-event" handler, we won't need it anymore */
 610         g_signal_handler_disconnect (window, handler_id);
 611
 612         /* Destroy the window */
 613         g_object_unref (win->data);
 614         g_list_free (win);
 615
 616         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 617
 618         /* If there are no more windows registered emit the signal */
 619         if (modest_window_mgr_num_windows (self) == 0)
 620                 g_signal_emit_by_name (self, "window-list-empty");
 621 }
 622
 623
 624
 625 static void
 626 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 627                                                gboolean on)
 628 {
 629         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 630
 631         return;
 632 }
 633
 634 static gboolean
 635 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 636 {
 637         return FALSE;
 638 }
 639
 640 static void
 641 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 642                                          GType window_type,
 643                                          gboolean show_toolbars,
 644                                          gboolean fullscreen)
 645 {
 646         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 647
 648         return;
 649 }
 650
 651 static ModestWindow*
 652 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 653 {
 654         ModestHildon2WindowMgrPrivate *priv;
 655         ModestWindow *result;
 656
 657         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 658         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 659
 660         /* TODO: make this return NULL always */
 661
 662         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 663         /* create the main window, if it hasn't been created yet */
 664         if (!result && show) {
 665                 /* modest_window_mgr_register_window will set priv->main_window */
 666                 result = modest_main_window_new ();
 667                 /* We have to remove all other windows */
 668                 if (!modest_window_mgr_close_all_windows (self)) {
 669                         gtk_widget_destroy (GTK_WIDGET (result));
 670                         return NULL;
 671                 }
 672                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 673                         gtk_widget_destroy (GTK_WIDGET (result));
 674                         return NULL;
 675                 }
 676                 MODEST_DEBUG_BLOCK(
 677                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 678                 );
 679         }
 680         if (show) {
 681                 gtk_widget_show_all (GTK_WIDGET (result));
 682                 gtk_window_present (GTK_WINDOW (result));
 683         }
 684
 685         return result;
 686 }
 687
 688
 689 static GtkWindow *
 690 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 691 {
 692         ModestHildon2WindowMgrPrivate *priv;
 693         GList *toplevel_list;
 694         GtkWidget *toplevel;
 695
 696         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 697         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 698
 699         toplevel = NULL;
 700         toplevel_list = gtk_window_list_toplevels ();
 701         while (toplevel_list) {
 702                 if (gtk_window_is_active (toplevel_list->data)) {
 703                         toplevel = toplevel_list->data;
 704                         break;
 705                 }
 706                 toplevel_list = g_list_next (toplevel_list);
 707         }
 708
 709         return NULL;
 710 }
 711
 712
 713 static void
 714 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 715                                      GtkWindow *window,
 716                                      GtkWindow *parent)
 717 {
 718         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 719         g_return_if_fail (GTK_IS_WINDOW (window));
 720
 721         gtk_window_set_modal (window, TRUE);
 722         gtk_window_set_transient_for (window, parent);
 723         gtk_window_set_destroy_with_parent (window, TRUE);
 724 }
 725
 726 static ModestWindow *
 727 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 728 {
 729         ModestWindow *window = NULL;
 730         ModestAccountMgr *mgr;
 731         GSList *account_names;
 732         gint count;
 733
 734         mgr = modest_runtime_get_account_mgr ();
 735         account_names = modest_account_mgr_account_names (mgr, TRUE);
 736         count = g_slist_length (account_names);
 737
 738         if (count > 1) {
 739                 window = MODEST_WINDOW (modest_accounts_window_new ());
 740         } else {
 741                 window = MODEST_WINDOW (modest_folder_window_new (NULL));
 742                 if (count == 1)
 743                         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (window),
 744                                                           account_names->data);
 745         }
 746         modest_account_mgr_free_account_names (account_names);
 747         modest_window_mgr_register_window (self, window, NULL);
 748
 749         return window;
 750 }