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