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

   1 /* Copyright (c) 2008, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <string.h>
  31 #include <hildon/hildon.h>
  32 #include "modest-hildon2-window-mgr.h"
  33 #include "modest-msg-edit-window.h"
  34 #include "modest-main-window.h"
  35 #include "modest-conf.h"
  36 #include "modest-defs.h"
  37 #include "modest-signal-mgr.h"
  38 #include "modest-runtime.h"
  39 #include "modest-platform.h"
  40 #include "modest-ui-actions.h"
  41 #include "modest-debug.h"
  42 #include "modest-tny-folder.h"
  43 #include "modest-folder-window.h"
  44 #include "modest-accounts-window.h"
  45 #include <modest-maemo-utils.h>
  46
  47 /* 'private'/'protected' functions */
  48 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  49 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  50 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  51
  52 static gboolean on_window_destroy        (ModestWindow *window,
  53                                           GdkEvent *event,
  54                                           ModestHildon2WindowMgr *self);
  55
  56 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  57                                                            ModestWindow *window,
  58                                                            ModestWindow *parent);
  59 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  60                                                          ModestWindow *window);
  61 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  62                                                            gboolean on);
  63 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  64 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  65                                                      GType window_type,
  66                                                      gboolean show_toolbars,
  67                                                      gboolean fullscreen);
  68 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  69 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  70 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  71                                                  GtkWindow *window,
  72                                                  GtkWindow *parent);
  73 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  74                                                                   TnyHeader *header,
  75                                                                   ModestWindow **win);
  76 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  77 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  78 static gboolean window_can_close (ModestWindow *window);
  79 static gboolean window_has_modals (ModestWindow *window);
  80 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  81 static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
  82 static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
  83 static void osso_display_event_cb (osso_display_state_t state,
  84                                    gpointer data);
  85
  86 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  87 struct _ModestHildon2WindowMgrPrivate {
  88         GList        *window_list;
  89         GMutex       *queue_lock;
  90         GQueue       *modal_windows;
  91
  92         gboolean     fullscreen_mode;
  93
  94         GHashTable   *destroy_handlers;
  95         GHashTable   *viewer_handlers;
  96         GSList       *window_state_uids;
  97
  98         guint        closing_time;
  99
 100         GSList       *modal_handler_uids;
 101         ModestWindow *current_top;
 102
 103         gulong        accounts_handler;
 104
 105         /* Display state */
 106         osso_display_state_t display_state;
 107 };
 108 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 109                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 110                                                                                    ModestHildon2WindowMgrPrivate))
 111 /* globals */
 112 static GObjectClass *parent_class = NULL;
 113
 114 GType
 115 modest_hildon2_window_mgr_get_type (void)
 116 {
 117         static GType my_type = 0;
 118         if (!my_type) {
 119                 static const GTypeInfo my_info = {
 120                         sizeof(ModestHildon2WindowMgrClass),
 121                         NULL,           /* base init */
 122                         NULL,           /* base finalize */
 123                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 124                         NULL,           /* class finalize */
 125                         NULL,           /* class data */
 126                         sizeof(ModestHildon2WindowMgr),
 127                         1,              /* n_preallocs */
 128                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 129                         NULL
 130                 };
 131                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 132                                                   "ModestHildon2WindowMgr",
 133                                                   &my_info, 0);
 134         }
 135         return my_type;
 136 }
 137
 138 static void
 139 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 140 {
 141         GObjectClass *gobject_class;
 142         ModestWindowMgrClass *mgr_class;
 143
 144         gobject_class = (GObjectClass*) klass;
 145         mgr_class = (ModestWindowMgrClass *) klass;
 146
 147         parent_class            = g_type_class_peek_parent (klass);
 148         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 149         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 150         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 151         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 152         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 153         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 154         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 155         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 156         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 157         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 158         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 159         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 160         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 161         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 162         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 163
 164         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 165
 166 }
 167
 168 static void
 169 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 170 {
 171         ModestHildon2WindowMgrPrivate *priv;
 172
 173         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 174         priv->window_list = NULL;
 175         priv->fullscreen_mode = FALSE;
 176         priv->window_state_uids = NULL;
 177
 178         priv->modal_windows = g_queue_new ();
 179         priv->queue_lock = g_mutex_new ();
 180
 181         /* Could not initialize it from gconf, singletons are not
 182            ready yet */
 183         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 184         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 185
 186         priv->closing_time = 0;
 187
 188         priv->modal_handler_uids = NULL;
 189         priv->display_state = OSSO_DISPLAY_ON;
 190
 191         /* Listen for changes in the screen, we don't want to show a
 192            led pattern when the display is on for example */
 193         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 194                                       osso_display_event_cb,
 195                                       obj);
 196
 197 }
 198
 199 static void
 200 modest_hildon2_window_mgr_finalize (GObject *obj)
 201 {
 202         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 203         ModestTnyAccountStore *acc_store;
 204
 205         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 206         priv->window_state_uids = NULL;
 207
 208         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 209                                       NULL,
 210                                       NULL);
 211
 212         acc_store = modest_runtime_get_account_store ();
 213         if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
 214             g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 215
 216         if (priv->window_list) {
 217                 GList *iter = priv->window_list;
 218                 /* unregister pending windows */
 219                 while (iter) {
 220                         ModestWindow *window = (ModestWindow *) iter->data;
 221                         iter = g_list_next (iter);
 222                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 223                 }
 224                 g_list_free (priv->window_list);
 225                 priv->window_list = NULL;
 226         }
 227
 228         /* Free the hash table with the handlers */
 229         if (priv->destroy_handlers) {
 230                 g_hash_table_destroy (priv->destroy_handlers);
 231                 priv->destroy_handlers = NULL;
 232         }
 233
 234         if (priv->viewer_handlers) {
 235                 g_hash_table_destroy (priv->viewer_handlers);
 236                 priv->viewer_handlers = NULL;
 237         }
 238
 239         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 240         priv->modal_handler_uids = NULL;
 241
 242         if (priv->modal_windows) {
 243                 g_mutex_lock (priv->queue_lock);
 244                 g_queue_free (priv->modal_windows);
 245                 priv->modal_windows = NULL;
 246                 g_mutex_unlock (priv->queue_lock);
 247         }
 248         g_mutex_free (priv->queue_lock);
 249
 250         /* Do not unref priv->main_window because it does not hold a
 251            new reference */
 252
 253         G_OBJECT_CLASS(parent_class)->finalize (obj);
 254 }
 255
 256 ModestWindowMgr*
 257 modest_hildon2_window_mgr_new (void)
 258 {
 259         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 260 }
 261
 262 static gboolean
 263 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 264 {
 265         ModestHildon2WindowMgrPrivate *priv = NULL;
 266         gboolean ret_value = FALSE;
 267         GtkWidget *window;
 268         HildonWindowStack *stack;
 269         gboolean failed = FALSE;
 270
 271         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 272         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 273
 274         stack = hildon_window_stack_get_default ();
 275
 276         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 277                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 278                 if (ret_value == TRUE) {
 279                         failed = TRUE;
 280                         break;
 281                 }
 282         }
 283
 284         return !failed;
 285 }
 286
 287 static gint
 288 compare_msguids (ModestWindow *win,
 289                  const gchar *uid)
 290 {
 291         const gchar *msg_uid;
 292
 293         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 294                 return 1;
 295
 296         /* Get message uid from msg window */
 297         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 298                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 299                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 300                         return 0;
 301         } else {
 302                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 303         }
 304
 305         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 306                 return 0;
 307         else
 308                 return 1;
 309 }
 310
 311 static gboolean
 312 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 313                                                   ModestWindow **win)
 314 {
 315         ModestHildon2WindowMgrPrivate *priv = NULL;
 316         gchar* uid = NULL;
 317         gboolean has_header, has_window = FALSE;
 318         GList *item = NULL;
 319
 320         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 321         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 322
 323         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 324
 325         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 326
 327         uid = modest_tny_folder_get_header_unique_id (header);
 328
 329         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 330         if (item) {
 331                 has_window = TRUE;
 332                 if (win) {
 333                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 334                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 335                                 g_debug ("not a valid window!");
 336                         else {
 337                                 g_debug ("found a window");
 338                                 *win = MODEST_WINDOW (item->data);
 339                         }
 340                 }
 341         }
 342         g_free (uid);
 343
 344         return has_header || has_window;
 345 }
 346
 347 static GList *
 348 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 349 {
 350         ModestHildon2WindowMgrPrivate *priv;
 351
 352         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 353         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 354
 355         return g_list_copy (priv->window_list);
 356 }
 357
 358 static gboolean
 359 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 360                                            ModestWindow *window,
 361                                            ModestWindow *parent)
 362 {
 363         GList *win;
 364         ModestHildon2WindowMgrPrivate *priv;
 365         gint *handler_id;
 366         HildonProgram *program;
 367         HildonWindowStack *stack;
 368         gboolean nested_msg = FALSE;
 369         ModestWindow *current_top;
 370
 371         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 372         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 373
 374         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 375
 376         program = hildon_program_get_instance ();
 377         win = g_list_find (priv->window_list, window);
 378         if (win) {
 379                 /* this is for the case we want to register the window and it was already
 380                  * registered. We leave silently, telling the operation was succesful.
 381                  */
 382                 gtk_window_present (GTK_WINDOW (win));
 383                 return TRUE;
 384         }
 385
 386         stack = hildon_window_stack_get_default ();
 387
 388         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 389                 goto fail;
 390
 391         /* Add to list. Keep a reference to the window */
 392         g_object_ref (window);
 393         priv->window_list = g_list_prepend (priv->window_list, window);
 394
 395         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 396         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 397                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 398
 399         /* Close views if they're being shown. Nevertheless we must
 400            allow nested messages */
 401         if (!nested_msg &&
 402             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 403              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 404                 gboolean retval;
 405
 406                 /* If the current view has modal dialogs then
 407                    we fail to register the new view */
 408                 if ((current_top != NULL) &&
 409                     window_has_modals (MODEST_WINDOW (current_top))) {
 410                         /* Window on top but it has opened dialogs */
 411                         goto fail;
 412                 }
 413
 414                 /* Close the current view */
 415                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 416                 if (retval == TRUE) {
 417                         /* Cancelled closing top window, then we fail to register */
 418                         goto fail;
 419                 }
 420         }
 421
 422         /* Listen to object destruction */
 423         handler_id = g_malloc0 (sizeof (gint));
 424         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 425         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 426
 427         /* Show toolbar always */
 428         modest_window_show_toolbar (window, TRUE);
 429
 430         return TRUE;
 431 fail:
 432         /* Add to list. Keep a reference to the window */
 433         priv->window_list = g_list_remove (priv->window_list, window);
 434         g_object_unref (window);
 435         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 436         if (current_top)
 437                 gtk_window_present (GTK_WINDOW (current_top));
 438         return FALSE;
 439 }
 440
 441 static void
 442 cancel_window_operations (ModestWindow *window)
 443 {
 444         GSList* pending_ops = NULL;
 445
 446         /* cancel open and receive operations */
 447         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 448                                                                  G_OBJECT (window));
 449         while (pending_ops != NULL) {
 450                 ModestMailOperationTypeOperation type;
 451                 GSList* tmp_list = NULL;
 452
 453                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 454                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 455                         modest_mail_operation_cancel (pending_ops->data);
 456                 }
 457                 g_object_unref (G_OBJECT (pending_ops->data));
 458                 tmp_list = pending_ops;
 459                 pending_ops = g_slist_next (pending_ops);
 460                 g_slist_free_1 (tmp_list);
 461         }
 462 }
 463
 464 static gboolean
 465 window_has_modals (ModestWindow *window)
 466 {
 467         GList *toplevels;
 468         GList *node;
 469         gboolean retvalue = FALSE;
 470
 471         /* First we fetch all toplevels */
 472         toplevels = gtk_window_list_toplevels ();
 473         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 474                 if (GTK_IS_WINDOW (node->data) &&
 475                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 476                     GTK_WIDGET_VISIBLE (node->data)) {
 477                         retvalue = TRUE;
 478                         break;
 479                 }
 480         }
 481         g_list_free (toplevels);
 482         return retvalue;
 483 }
 484
 485 static gboolean
 486 window_can_close (ModestWindow *window)
 487 {
 488         /* An editor can be always closed no matter the dialogs it has
 489          * on top. */
 490         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 491                 return TRUE;
 492
 493         return !window_has_modals (window);
 494 }
 495
 496 static gboolean
 497 on_window_destroy (ModestWindow *window,
 498                    GdkEvent *event,
 499                    ModestHildon2WindowMgr *self)
 500 {
 501         gboolean no_propagate = FALSE;
 502
 503         if (!window_can_close (window))
 504                 return TRUE;
 505
 506         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 507                 gboolean sent = FALSE;
 508                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 509                 /* Save currently edited message to Drafts if it was not sent */
 510                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 511
 512                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 513                                 return TRUE;
 514                 }
 515         }
 516
 517         /* Unregister window */
 518         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 519         no_propagate = FALSE;
 520
 521         return no_propagate;
 522 }
 523
 524 static void
 525 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 526                                              ModestWindow *window)
 527 {
 528         GList *win;
 529         ModestHildon2WindowMgrPrivate *priv;
 530         gulong *tmp, handler_id;
 531         guint num_windows;
 532
 533         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 534         g_return_if_fail (MODEST_IS_WINDOW (window));
 535
 536         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 537
 538         win = g_list_find (priv->window_list, window);
 539         if (!win) {
 540                 g_warning ("Trying to unregister a window that has not being registered yet");
 541                 return;
 542         }
 543
 544         /* Remove the viewer window handler from the hash table. The
 545            HashTable could not exist if the main window was closed
 546            when there were other windows remaining */
 547         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 548                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 549                 /* If the viewer was created without a main window
 550                    (for example when opening a message through D-Bus
 551                    the viewer handlers was not registered */
 552                 if (tmp) {
 553                         g_signal_handler_disconnect (window, *tmp);
 554                         g_hash_table_remove (priv->viewer_handlers, window);
 555                 }
 556         }
 557
 558         /* Remove from list & hash table */
 559         priv->window_list = g_list_remove_link (priv->window_list, win);
 560         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 561         handler_id = *tmp;
 562
 563         g_hash_table_remove (priv->destroy_handlers, window);
 564
 565         /* cancel open and receive operations */
 566         cancel_window_operations (window);
 567
 568         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 569         if (priv->window_state_uids) {
 570                 priv->window_state_uids =
 571                         modest_signal_mgr_disconnect (priv->window_state_uids,
 572                                                       G_OBJECT (window),
 573                                                       "notify::is-topmost");
 574         }
 575
 576         /* Disconnect the "delete-event" handler, we won't need it anymore */
 577         g_signal_handler_disconnect (window, handler_id);
 578
 579         /* Destroy the window */
 580         g_object_unref (win->data);
 581         g_list_free (win);
 582
 583         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 584
 585         /* We have to get the number of windows here in order not to
 586            emit the signal too many times */
 587         num_windows = modest_window_mgr_get_num_windows (self);
 588
 589         /* If there are no more windows registered emit the signal */
 590         if (num_windows == 0)
 591                 g_signal_emit_by_name (self, "window-list-empty");
 592 }
 593
 594
 595 static void
 596 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 597                                                gboolean on)
 598 {
 599         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 600
 601         return;
 602 }
 603
 604 static gboolean
 605 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 606 {
 607         return FALSE;
 608 }
 609
 610 static void
 611 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 612                                          GType window_type,
 613                                          gboolean show_toolbars,
 614                                          gboolean fullscreen)
 615 {
 616         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 617
 618         return;
 619 }
 620
 621 static ModestWindow*
 622 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 623 {
 624         ModestHildon2WindowMgrPrivate *priv;
 625         ModestWindow *result;
 626
 627         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 628         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 629
 630         /* TODO: make this return NULL always */
 631
 632         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 633         /* create the main window, if it hasn't been created yet */
 634         if (!result && show) {
 635                 /* modest_window_mgr_register_window will set priv->main_window */
 636                 result = modest_main_window_new ();
 637                 /* We have to remove all other windows */
 638                 if (!modest_window_mgr_close_all_windows (self)) {
 639                         gtk_widget_destroy (GTK_WIDGET (result));
 640                         return NULL;
 641                 }
 642                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 643                         gtk_widget_destroy (GTK_WIDGET (result));
 644                         return NULL;
 645                 }
 646                 MODEST_DEBUG_BLOCK(
 647                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 648                 );
 649         }
 650         if (show) {
 651                 gtk_widget_show_all (GTK_WIDGET (result));
 652                 gtk_window_present (GTK_WINDOW (result));
 653         }
 654
 655         return result;
 656 }
 657
 658
 659 static GtkWindow *
 660 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 661 {
 662         ModestHildon2WindowMgrPrivate *priv;
 663         GList *toplevel_list;
 664         GtkWidget *toplevel;
 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         toplevel = NULL;
 670         toplevel_list = gtk_window_list_toplevels ();
 671         while (toplevel_list) {
 672                 if (gtk_window_is_active (toplevel_list->data)) {
 673                         toplevel = toplevel_list->data;
 674                         break;
 675                 }
 676                 toplevel_list = g_list_next (toplevel_list);
 677         }
 678
 679         return NULL;
 680 }
 681
 682
 683 static void
 684 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 685                                      GtkWindow *window,
 686                                      GtkWindow *parent)
 687 {
 688         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 689         g_return_if_fail (GTK_IS_WINDOW (window));
 690
 691         gtk_window_set_modal (window, TRUE);
 692         gtk_window_set_transient_for (window, parent);
 693         gtk_window_set_destroy_with_parent (window, TRUE);
 694 }
 695
 696 static void
 697 on_account_removed (TnyAccountStore *acc_store,
 698                     TnyAccount *account,
 699                     gpointer user_data)
 700 {
 701         HildonWindowStack *stack;
 702         ModestWindow *current_top;
 703
 704         /* Ignore transport account removals */
 705         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 706                 return;
 707
 708         stack = hildon_window_stack_get_default ();
 709         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 710
 711         if (current_top && MODEST_IS_ACCOUNTS_WINDOW (current_top)) {
 712                 ModestWindow *folders_window;
 713                 ModestAccountMgr *mgr;
 714
 715                 folders_window = MODEST_WINDOW (modest_folder_window_new (NULL));
 716                 mgr = modest_runtime_get_account_mgr ();
 717                 modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
 718                                                   modest_account_mgr_get_default_account (mgr));
 719                 modest_window_mgr_register_window (MODEST_WINDOW_MGR (user_data),
 720                                                    folders_window, NULL);
 721                 gtk_widget_show (GTK_WIDGET (folders_window));
 722         }
 723 }
 724
 725 static ModestWindow *
 726 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 727 {
 728         ModestWindow *initial_window = NULL;
 729         ModestTnyAccountStore *acc_store;
 730         ModestHildon2WindowMgrPrivate *priv;
 731
 732         /* Return accounts window */
 733         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 734         modest_window_mgr_register_window (self, initial_window, NULL);
 735
 736         /* Check if we have at least one remote account to create also
 737            the folders window */
 738         acc_store = modest_runtime_get_account_store ();
 739         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
 740                  ModestAccountMgr *mgr;
 741
 742                /* Show first the accounts window to add it to the
 743                    stack. This has to be changed when the new
 744                    stackable API is available. There will be a method
 745                    to show all the windows that will only show the
 746                    last one to the user. The current code shows both
 747                    windows, one after the other */
 748                 gtk_widget_show (GTK_WIDGET (initial_window));
 749
 750                 initial_window = MODEST_WINDOW (modest_folder_window_new (NULL));
 751                 mgr = modest_runtime_get_account_mgr ();
 752                 modest_folder_window_set_account (MODEST_FOLDER_WINDOW (initial_window),
 753                                                   modest_account_mgr_get_default_account (mgr));
 754                 modest_window_mgr_register_window (self, initial_window, NULL);
 755         }
 756
 757         /* Connect to the account store "account-removed" signal". If
 758            we're showing the accounts window and all the accounts are
 759            deleted we need to move to folders window automatically */
 760         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 761         priv->accounts_handler = g_signal_connect (acc_store,
 762                                                    "account-removed",
 763                                                    G_CALLBACK (on_account_removed),
 764                                                    self);
 765
 766         return initial_window;
 767 }
 768
 769
 770 static ModestWindow *
 771 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 772 {
 773         HildonWindowStack *stack;
 774         stack = hildon_window_stack_get_default ();
 775         return (ModestWindow *) hildon_window_stack_peek (stack);
 776 }
 777
 778 static gint
 779 find_folder_window (gconstpointer a,
 780                     gconstpointer b)
 781 {
 782         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 783 }
 784
 785 ModestWindow *
 786 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 787 {
 788         ModestHildon2WindowMgrPrivate *priv;
 789         GList *window;
 790
 791         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 792
 793         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 794
 795         window = g_list_find_custom (priv->window_list,
 796                                      NULL,
 797                                      find_folder_window);
 798
 799         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 800 }
 801
 802 static gboolean
 803 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 804 {
 805         ModestHildon2WindowMgrPrivate *priv = NULL;
 806
 807         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 808
 809         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 810
 811         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 812 }
 813
 814 static void
 815 osso_display_event_cb (osso_display_state_t state,
 816                        gpointer data)
 817 {
 818         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 819
 820         priv->display_state = state;
 821
 822         /* Stop blinking if the screen becomes on */
 823         if (priv->display_state == OSSO_DISPLAY_ON)
 824                 modest_platform_remove_new_mail_notifications (TRUE);
 825 }
 826