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 "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         ModestWindow *main_window;
 336         HildonProgram *program;
 337         GtkWidget *current_top;
 338
 339         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 340         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 341
 342         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 343
 344         program = hildon_program_get_instance ();
 345         win = g_list_find (priv->window_list, window);
 346         if (win) {
 347                 /* this is for the case we want to register the window and it was already
 348                  * registered. We leave silently, telling the operation was succesful.
 349                  */
 350                 gtk_window_present (GTK_WINDOW (win));
 351                 return TRUE;
 352         }
 353
 354         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 355                 goto fail;
 356
 357         /* Add to list. Keep a reference to the window */
 358         g_object_ref (window);
 359         priv->window_list = g_list_prepend (priv->window_list, window);
 360
 361         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 362
 363         if (!parent || ((GtkWidget *) parent != current_top)) {
 364                 /* We have to close all windows with the exception of the root window */
 365                 hildon_program_go_to_root_window (program);
 366
 367                 /* We remove 1 because we added it before */
 368                 if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) - 1> 1) {
 369                         /* Then we couldn't close one of the preceding windows, so we have to stop the
 370                          * window register process and fail.
 371                          */
 372                         goto fail;
 373                 }
 374
 375                 current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 376                 if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
 377                         gboolean retval;
 378                         g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 379                         if (retval == TRUE) {
 380                                 /* Cancelled closing top window, then we fail to register */
 381                                 goto fail;
 382                         }
 383                         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 384                 }
 385                 if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
 386                         /* Closing the stacked windows failed, then we shouldn't show the
 387                            new window */
 388                         goto fail;
 389                 }
 390                 if ((current_top != NULL) &&
 391                     window_has_modals (MODEST_WINDOW (current_top))) {
 392                         /* Window on top but it has opened dialogs */
 393                         goto fail;
 394                 }
 395         }
 396
 397         /* Listen to object destruction */
 398         handler_id = g_malloc0 (sizeof (gint));
 399         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 400         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 401
 402         main_window = modest_window_mgr_get_main_window (self, FALSE);
 403         /* If there is a msg view window, let the main window listen the msg-changed signal */
 404         if (MODEST_IS_MSG_VIEW_WINDOW(window) && main_window) {
 405                 gulong *handler;
 406                 handler = g_malloc0 (sizeof (gulong));
 407                 *handler = g_signal_connect (window, "msg-changed",
 408                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 409                                              main_window);
 410                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 411         }
 412
 413         /* Show toolbar always */
 414         modest_window_show_toolbar (window, TRUE);
 415
 416         return TRUE;
 417 fail:
 418         /* Add to list. Keep a reference to the window */
 419         priv->window_list = g_list_remove (priv->window_list, window);
 420         g_object_unref (window);
 421         current_top = GTK_WIDGET (hildon_program_peek_window_stack (program));
 422         if (current_top)
 423                 gtk_window_present (GTK_WINDOW (current_top));
 424         return FALSE;
 425 }
 426
 427 static void
 428 cancel_window_operations (ModestWindow *window)
 429 {
 430         GSList* pending_ops = NULL;
 431
 432         /* cancel open and receive operations */
 433         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 434                                                                  G_OBJECT (window));
 435         while (pending_ops != NULL) {
 436                 ModestMailOperationTypeOperation type;
 437                 GSList* tmp_list = NULL;
 438
 439                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 440                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 441                         modest_mail_operation_cancel (pending_ops->data);
 442                 }
 443                 g_object_unref (G_OBJECT (pending_ops->data));
 444                 tmp_list = pending_ops;
 445                 pending_ops = g_slist_next (pending_ops);
 446                 g_slist_free_1 (tmp_list);
 447         }
 448 }
 449
 450 static gboolean
 451 window_has_modals (ModestWindow *window)
 452 {
 453         GList *toplevels;
 454         GList *node;
 455         gboolean retvalue = FALSE;
 456
 457         /* First we fetch all toplevels */
 458         toplevels = gtk_window_list_toplevels ();
 459         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 460                 if (GTK_IS_WINDOW (node->data) &&
 461                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window)) {
 462                         retvalue = TRUE;
 463                         break;
 464                 }
 465         }
 466         g_list_free (toplevels);
 467         return retvalue;
 468 }
 469
 470 static gboolean
 471 window_can_close (ModestWindow *window)
 472 {
 473         /* An editor can be always closed no matter the dialogs it has
 474          * on top. */
 475         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 476                 return TRUE;
 477
 478         return !window_has_modals (window);
 479 }
 480
 481 static gboolean
 482 on_window_destroy (ModestWindow *window,
 483                    GdkEvent *event,
 484                    ModestHildon2WindowMgr *self)
 485 {
 486         gboolean no_propagate = FALSE;
 487
 488         if (!window_can_close (window)) {
 489                 return TRUE;
 490         }
 491         /* Specific stuff first */
 492         if (MODEST_IS_MAIN_WINDOW (window)) {
 493                 ModestHildon2WindowMgrPrivate *priv;
 494                 priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 495
 496                 /* Do not unregister it, just hide */
 497                 gtk_widget_hide_all (GTK_WIDGET (window));
 498
 499                 /* Cancel pending operations */
 500                 cancel_window_operations (window);
 501
 502                 /* Fake the window system, make it think that there is no window */
 503                 if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) == 0)
 504                         g_signal_emit_by_name (self, "window-list-empty");
 505
 506                 no_propagate = TRUE;
 507         }
 508         else {
 509                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 510                         gboolean sent = FALSE;
 511                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 512                         /* Save currently edited message to Drafts if it was not sent */
 513                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 514
 515                           if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 516                                   return TRUE;
 517                         }
 518                 }
 519                 /* Unregister window */
 520                 modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 521                 no_propagate = FALSE;
 522         }
 523
 524         return no_propagate;
 525 }
 526
 527 static void
 528 disconnect_msg_changed (gpointer key,
 529                         gpointer value,
 530                         gpointer user_data)
 531 {
 532         guint handler_id;
 533         handler_id = GPOINTER_TO_UINT(value);
 534
 535         if (key && G_IS_OBJECT(key))
 536                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 537 }
 538
 539 static void
 540 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 541                                              ModestWindow *window)
 542 {
 543         GList *win;
 544         ModestHildon2WindowMgrPrivate *priv;
 545         gulong *tmp, handler_id;
 546
 547         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 548         g_return_if_fail (MODEST_IS_WINDOW (window));
 549
 550         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 551
 552         win = g_list_find (priv->window_list, window);
 553         if (!win) {
 554                 g_warning ("Trying to unregister a window that has not being registered yet");
 555                 return;
 556         }
 557
 558         /* If it's the main window unset it */
 559         if (MODEST_IS_MAIN_WINDOW (window)) {
 560                 modest_window_mgr_set_main_window (self, NULL);
 561
 562                 /* Disconnect all emissions of msg-changed */
 563                 if (priv->viewer_handlers) {
 564                         g_hash_table_foreach (priv->viewer_handlers,
 565                                               disconnect_msg_changed,
 566                                               NULL);
 567                         g_hash_table_destroy (priv->viewer_handlers);
 568                         priv->viewer_handlers = NULL;
 569                 }
 570         }
 571
 572         /* Remove the viewer window handler from the hash table. The
 573            HashTable could not exist if the main window was closed
 574            when there were other windows remaining */
 575         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 576                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 577                 /* If the viewer was created without a main window
 578                    (for example when opening a message through D-Bus
 579                    the viewer handlers was not registered */
 580                 if (tmp) {
 581                         g_signal_handler_disconnect (window, *tmp);
 582                         g_hash_table_remove (priv->viewer_handlers, window);
 583                 }
 584         }
 585
 586         /* Remove from list & hash table */
 587         priv->window_list = g_list_remove_link (priv->window_list, win);
 588         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 589         handler_id = *tmp;
 590
 591         g_hash_table_remove (priv->destroy_handlers, window);
 592
 593         /* cancel open and receive operations */
 594         cancel_window_operations (window);
 595
 596         /* Check if it's the topmost window, and remove the window from the stack.
 597          * This is needed for the cases there's no other topmost window that will
 598          * replace it in topmost handler.
 599          */
 600          if (window == priv->current_top)
 601                  priv->current_top = NULL;
 602
 603         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 604         if (priv->window_state_uids) {
 605 #ifndef MODEST_TOOLKIT_GTK
 606                 priv->window_state_uids =
 607                         modest_signal_mgr_disconnect (priv->window_state_uids,
 608                                                       G_OBJECT (window),
 609                                                       "notify::is-topmost");
 610 #else
 611                 priv->window_state_uids =
 612                         modest_signal_mgr_disconnect (priv->window_state_uids,
 613                                                       G_OBJECT (window),
 614                                                       "window-state-event");
 615 #endif
 616         }
 617
 618         /* Disconnect the "delete-event" handler, we won't need it anymore */
 619         g_signal_handler_disconnect (window, handler_id);
 620
 621         /* Destroy the window */
 622         g_object_unref (win->data);
 623         g_list_free (win);
 624
 625         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 626
 627         /* If there are no more windows registered emit the signal */
 628         if (modest_window_mgr_num_windows (self) == 0)
 629                 g_signal_emit_by_name (self, "window-list-empty");
 630 }
 631
 632
 633
 634 static void
 635 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 636                                                gboolean on)
 637 {
 638         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 639
 640         return;
 641 }
 642
 643 static gboolean
 644 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 645 {
 646         return FALSE;
 647 }
 648
 649 static void
 650 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 651                                          GType window_type,
 652                                          gboolean show_toolbars,
 653                                          gboolean fullscreen)
 654 {
 655         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 656
 657         return;
 658 }
 659
 660 static ModestWindow*
 661 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 662 {
 663         ModestHildon2WindowMgrPrivate *priv;
 664         ModestWindow *result;
 665
 666         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 667         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 668
 669         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 670         /* create the main window, if it hasn't been created yet */
 671         if (!result && show) {
 672                 /* modest_window_mgr_register_window will set priv->main_window */
 673                 result = modest_main_window_new ();
 674                 /* We have to remove all other windows */
 675                 if (!modest_window_mgr_close_all_windows (self)) {
 676                         gtk_widget_destroy (GTK_WIDGET (result));
 677                         return NULL;
 678                 }
 679                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 680                         gtk_widget_destroy (GTK_WIDGET (result));
 681                         return NULL;
 682                 }
 683                 MODEST_DEBUG_BLOCK(
 684                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 685                 );
 686         }
 687         if (show) {
 688                 gtk_widget_show_all (GTK_WIDGET (result));
 689                 gtk_window_present (GTK_WINDOW (result));
 690         }
 691
 692         return result;
 693 }
 694
 695
 696 static GtkWindow *
 697 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 698 {
 699         ModestHildon2WindowMgrPrivate *priv;
 700         GList *toplevel_list;
 701         GtkWidget *toplevel;
 702
 703         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 704         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 705
 706         toplevel = NULL;
 707         toplevel_list = gtk_window_list_toplevels ();
 708         while (toplevel_list) {
 709                 if (gtk_window_is_active (toplevel_list->data)) {
 710                         toplevel = toplevel_list->data;
 711                         break;
 712                 }
 713                 toplevel_list = g_list_next (toplevel_list);
 714         }
 715
 716         return NULL;
 717 }
 718
 719
 720 static void
 721 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 722                                      GtkWindow *window,
 723                                      GtkWindow *parent)
 724 {
 725         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 726         g_return_if_fail (GTK_IS_WINDOW (window));
 727
 728         gtk_window_set_modal (window, TRUE);
 729         gtk_window_set_transient_for (window, parent);
 730         gtk_window_set_destroy_with_parent (window, TRUE);
 731 }
 732