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-header-window.h"
  35 #include "modest-main-window.h"
  36 #include "modest-conf.h"
  37 #include "modest-defs.h"
  38 #include "modest-signal-mgr.h"
  39 #include "modest-runtime.h"
  40 #include "modest-platform.h"
  41 #include "modest-ui-actions.h"
  42 #include "modest-debug.h"
  43 #include "modest-tny-folder.h"
  44 #include "modest-folder-window.h"
  45 #include "modest-accounts-window.h"
  46 #include <modest-maemo-utils.h>
  47
  48 /* 'private'/'protected' functions */
  49 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  50 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  51 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  52
  53 static gboolean on_window_destroy        (ModestWindow *window,
  54                                           GdkEvent *event,
  55                                           ModestHildon2WindowMgr *self);
  56
  57 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  58                                                            ModestWindow *window,
  59                                                            ModestWindow *parent);
  60 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  61                                                          ModestWindow *window);
  62 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  63                                                            gboolean on);
  64 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  65 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  66                                                      GType window_type,
  67                                                      gboolean show_toolbars,
  68                                                      gboolean fullscreen);
  69 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  70 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  71 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  72                                                  GtkWindow *window,
  73                                                  GtkWindow *parent);
  74 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  75                                                                   TnyHeader *header,
  76                                                                   ModestWindow **win);
  77 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  78 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  79 static gboolean window_can_close (ModestWindow *window);
  80 static gboolean window_has_modals (ModestWindow *window);
  81 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  82 static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
  83 static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
  84 static void osso_display_event_cb (osso_display_state_t state,
  85                                    gpointer data);
  86
  87 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  88 struct _ModestHildon2WindowMgrPrivate {
  89         GList        *window_list;
  90         GMutex       *queue_lock;
  91         GQueue       *modal_windows;
  92
  93         gboolean     fullscreen_mode;
  94
  95         GHashTable   *destroy_handlers;
  96         GHashTable   *viewer_handlers;
  97         GSList       *window_state_uids;
  98
  99         guint        closing_time;
 100
 101         GSList       *modal_handler_uids;
 102         ModestWindow *current_top;
 103
 104         gulong        accounts_handler;
 105
 106         /* Display state */
 107         osso_display_state_t display_state;
 108 };
 109 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 110                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 111                                                                                    ModestHildon2WindowMgrPrivate))
 112 /* globals */
 113 static GObjectClass *parent_class = NULL;
 114
 115 GType
 116 modest_hildon2_window_mgr_get_type (void)
 117 {
 118         static GType my_type = 0;
 119         if (!my_type) {
 120                 static const GTypeInfo my_info = {
 121                         sizeof(ModestHildon2WindowMgrClass),
 122                         NULL,           /* base init */
 123                         NULL,           /* base finalize */
 124                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 125                         NULL,           /* class finalize */
 126                         NULL,           /* class data */
 127                         sizeof(ModestHildon2WindowMgr),
 128                         1,              /* n_preallocs */
 129                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 130                         NULL
 131                 };
 132                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 133                                                   "ModestHildon2WindowMgr",
 134                                                   &my_info, 0);
 135         }
 136         return my_type;
 137 }
 138
 139 static void
 140 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 141 {
 142         GObjectClass *gobject_class;
 143         ModestWindowMgrClass *mgr_class;
 144
 145         gobject_class = (GObjectClass*) klass;
 146         mgr_class = (ModestWindowMgrClass *) klass;
 147
 148         parent_class            = g_type_class_peek_parent (klass);
 149         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 150         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 151         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 152         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 153         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 154         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 155         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 156         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 157         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 158         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 159         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 160         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 161         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 162         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 163         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 164
 165         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 166
 167 }
 168
 169 static void
 170 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 171 {
 172         ModestHildon2WindowMgrPrivate *priv;
 173
 174         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 175         priv->window_list = NULL;
 176         priv->fullscreen_mode = FALSE;
 177         priv->window_state_uids = NULL;
 178
 179         priv->modal_windows = g_queue_new ();
 180         priv->queue_lock = g_mutex_new ();
 181
 182         /* Could not initialize it from gconf, singletons are not
 183            ready yet */
 184         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 185         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 186
 187         priv->closing_time = 0;
 188
 189         priv->modal_handler_uids = NULL;
 190         priv->display_state = OSSO_DISPLAY_ON;
 191
 192         /* Listen for changes in the screen, we don't want to show a
 193            led pattern when the display is on for example */
 194         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 195                                       osso_display_event_cb,
 196                                       obj);
 197
 198 }
 199
 200 static void
 201 modest_hildon2_window_mgr_finalize (GObject *obj)
 202 {
 203         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 204         ModestTnyAccountStore *acc_store;
 205
 206         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 207         priv->window_state_uids = NULL;
 208
 209         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 210                                       NULL,
 211                                       NULL);
 212
 213         acc_store = modest_runtime_get_account_store ();
 214         if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
 215             g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 216
 217         if (priv->window_list) {
 218                 GList *iter = priv->window_list;
 219                 /* unregister pending windows */
 220                 while (iter) {
 221                         ModestWindow *window = (ModestWindow *) iter->data;
 222                         iter = g_list_next (iter);
 223                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 224                 }
 225                 g_list_free (priv->window_list);
 226                 priv->window_list = NULL;
 227         }
 228
 229         /* Free the hash table with the handlers */
 230         if (priv->destroy_handlers) {
 231                 g_hash_table_destroy (priv->destroy_handlers);
 232                 priv->destroy_handlers = NULL;
 233         }
 234
 235         if (priv->viewer_handlers) {
 236                 g_hash_table_destroy (priv->viewer_handlers);
 237                 priv->viewer_handlers = NULL;
 238         }
 239
 240         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 241         priv->modal_handler_uids = NULL;
 242
 243         if (priv->modal_windows) {
 244                 g_mutex_lock (priv->queue_lock);
 245                 g_queue_free (priv->modal_windows);
 246                 priv->modal_windows = NULL;
 247                 g_mutex_unlock (priv->queue_lock);
 248         }
 249         g_mutex_free (priv->queue_lock);
 250
 251         /* Do not unref priv->main_window because it does not hold a
 252            new reference */
 253
 254         G_OBJECT_CLASS(parent_class)->finalize (obj);
 255 }
 256
 257 ModestWindowMgr*
 258 modest_hildon2_window_mgr_new (void)
 259 {
 260         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 261 }
 262
 263 static gboolean
 264 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 265 {
 266         ModestHildon2WindowMgrPrivate *priv = NULL;
 267         gboolean ret_value = FALSE;
 268         GtkWidget *window;
 269         HildonWindowStack *stack;
 270         gboolean failed = FALSE;
 271
 272         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 273         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 274
 275         stack = hildon_window_stack_get_default ();
 276
 277         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 278                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 279                 if (ret_value == TRUE) {
 280                         failed = TRUE;
 281                         break;
 282                 }
 283         }
 284
 285         return !failed;
 286 }
 287
 288 static gint
 289 compare_msguids (ModestWindow *win,
 290                  const gchar *uid)
 291 {
 292         const gchar *msg_uid;
 293
 294         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 295                 return 1;
 296
 297         /* Get message uid from msg window */
 298         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 299                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 300                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 301                         return 0;
 302         } else {
 303                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 304         }
 305
 306         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 307                 return 0;
 308         else
 309                 return 1;
 310 }
 311
 312 static gboolean
 313 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 314                                                   ModestWindow **win)
 315 {
 316         ModestHildon2WindowMgrPrivate *priv = NULL;
 317         gchar* uid = NULL;
 318         gboolean has_header, has_window = FALSE;
 319         GList *item = NULL;
 320
 321         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 322         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 323
 324         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 325
 326         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 327
 328         uid = modest_tny_folder_get_header_unique_id (header);
 329
 330         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 331         if (item) {
 332                 has_window = TRUE;
 333                 if (win) {
 334                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 335                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 336                                 g_debug ("not a valid window!");
 337                         else {
 338                                 g_debug ("found a window");
 339                                 *win = MODEST_WINDOW (item->data);
 340                         }
 341                 }
 342         }
 343         g_free (uid);
 344
 345         return has_header || has_window;
 346 }
 347
 348 static GList *
 349 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 350 {
 351         ModestHildon2WindowMgrPrivate *priv;
 352
 353         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 354         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 355
 356         return g_list_copy (priv->window_list);
 357 }
 358
 359 static gboolean
 360 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 361                                            ModestWindow *window,
 362                                            ModestWindow *parent)
 363 {
 364         GList *win;
 365         ModestHildon2WindowMgrPrivate *priv;
 366         gint *handler_id;
 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         stack = hildon_window_stack_get_default ();
 377         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 378
 379         win = g_list_find (priv->window_list, window);
 380         if (win) {
 381                 /* this is for the case we want to register the window
 382                    and it was already registered */
 383                 gtk_window_present (GTK_WINDOW (win));
 384                 return FALSE;
 385         }
 386
 387         if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
 388                 g_debug ("Trying to register a second folder window is not allowed");
 389                 gtk_window_present (GTK_WINDOW (current_top));
 390                 return FALSE;
 391         }
 392
 393         if (MODEST_IS_HEADER_WINDOW (current_top) && MODEST_IS_HEADER_WINDOW (window)) {
 394                 g_debug ("Trying to register a second header window is not allowed");
 395                 gtk_window_present (GTK_WINDOW (current_top));
 396                 return FALSE;
 397         }
 398
 399         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 400                 goto fail;
 401
 402         /* Add to list. Keep a reference to the window */
 403         g_object_ref (window);
 404         priv->window_list = g_list_prepend (priv->window_list, window);
 405
 406         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 407                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 408
 409         /* Close views if they're being shown. Nevertheless we must
 410            allow nested messages */
 411         if (!nested_msg &&
 412             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 413              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 414                 gboolean retval;
 415
 416                 /* If the current view has modal dialogs then
 417                    we fail to register the new view */
 418                 if ((current_top != NULL) &&
 419                     window_has_modals (MODEST_WINDOW (current_top))) {
 420                         /* Window on top but it has opened dialogs */
 421                         goto fail;
 422                 }
 423
 424                 /* Close the current view */
 425                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 426                 if (retval == TRUE) {
 427                         /* Cancelled closing top window, then we fail to register */
 428                         goto fail;
 429                 }
 430         }
 431
 432         /* Listen to object destruction */
 433         handler_id = g_malloc0 (sizeof (gint));
 434         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 435         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 436
 437         /* Show toolbar always */
 438         modest_window_show_toolbar (window, TRUE);
 439
 440         return TRUE;
 441 fail:
 442         /* Add to list. Keep a reference to the window */
 443         priv->window_list = g_list_remove (priv->window_list, window);
 444         g_object_unref (window);
 445         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 446         if (current_top)
 447                 gtk_window_present (GTK_WINDOW (current_top));
 448         return FALSE;
 449 }
 450
 451 static void
 452 cancel_window_operations (ModestWindow *window)
 453 {
 454         GSList* pending_ops = NULL;
 455
 456         /* cancel open and receive operations */
 457         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 458                                                                  G_OBJECT (window));
 459         while (pending_ops != NULL) {
 460                 ModestMailOperationTypeOperation type;
 461                 GSList* tmp_list = NULL;
 462
 463                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 464                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 465                         modest_mail_operation_cancel (pending_ops->data);
 466                 }
 467                 g_object_unref (G_OBJECT (pending_ops->data));
 468                 tmp_list = pending_ops;
 469                 pending_ops = g_slist_next (pending_ops);
 470                 g_slist_free_1 (tmp_list);
 471         }
 472 }
 473
 474 static gboolean
 475 window_has_modals (ModestWindow *window)
 476 {
 477         GList *toplevels;
 478         GList *node;
 479         gboolean retvalue = FALSE;
 480
 481         /* First we fetch all toplevels */
 482         toplevels = gtk_window_list_toplevels ();
 483         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 484                 if (GTK_IS_WINDOW (node->data) &&
 485                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 486                     GTK_WIDGET_VISIBLE (node->data)) {
 487                         retvalue = TRUE;
 488                         break;
 489                 }
 490         }
 491         g_list_free (toplevels);
 492         return retvalue;
 493 }
 494
 495 static gboolean
 496 window_can_close (ModestWindow *window)
 497 {
 498         /* An editor can be always closed no matter the dialogs it has
 499          * on top. */
 500         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 501                 return TRUE;
 502
 503         return !window_has_modals (window);
 504 }
 505
 506 static gboolean
 507 on_window_destroy (ModestWindow *window,
 508                    GdkEvent *event,
 509                    ModestHildon2WindowMgr *self)
 510 {
 511         gboolean no_propagate = FALSE;
 512
 513         if (!window_can_close (window))
 514                 return TRUE;
 515
 516         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 517                 gboolean sent = FALSE;
 518                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 519                 /* Save currently edited message to Drafts if it was not sent */
 520                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 521
 522                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 523                                 return TRUE;
 524                 }
 525         }
 526
 527         /* Unregister window */
 528         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 529         no_propagate = FALSE;
 530
 531         return no_propagate;
 532 }
 533
 534 static void
 535 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 536                                              ModestWindow *window)
 537 {
 538         GList *win;
 539         ModestHildon2WindowMgrPrivate *priv;
 540         gulong *tmp, handler_id;
 541         guint num_windows;
 542
 543         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 544         g_return_if_fail (MODEST_IS_WINDOW (window));
 545
 546         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 547
 548         win = g_list_find (priv->window_list, window);
 549         if (!win) {
 550                 g_warning ("Trying to unregister a window that has not being registered yet");
 551                 return;
 552         }
 553
 554         /* Remove the viewer window handler from the hash table. The
 555            HashTable could not exist if the main window was closed
 556            when there were other windows remaining */
 557         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 558                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 559                 /* If the viewer was created without a main window
 560                    (for example when opening a message through D-Bus
 561                    the viewer handlers was not registered */
 562                 if (tmp) {
 563                         g_signal_handler_disconnect (window, *tmp);
 564                         g_hash_table_remove (priv->viewer_handlers, window);
 565                 }
 566         }
 567
 568         /* Remove from list & hash table */
 569         priv->window_list = g_list_remove_link (priv->window_list, win);
 570         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 571         handler_id = *tmp;
 572
 573         g_hash_table_remove (priv->destroy_handlers, window);
 574
 575         /* cancel open and receive operations */
 576         cancel_window_operations (window);
 577
 578         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 579         if (priv->window_state_uids) {
 580                 priv->window_state_uids =
 581                         modest_signal_mgr_disconnect (priv->window_state_uids,
 582                                                       G_OBJECT (window),
 583                                                       "notify::is-topmost");
 584         }
 585
 586         /* Disconnect the "delete-event" handler, we won't need it anymore */
 587         g_signal_handler_disconnect (window, handler_id);
 588
 589         /* Destroy the window */
 590         g_object_unref (win->data);
 591         g_list_free (win);
 592
 593         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 594
 595         /* We have to get the number of windows here in order not to
 596            emit the signal too many times */
 597         num_windows = modest_window_mgr_get_num_windows (self);
 598
 599         /* If there are no more windows registered emit the signal */
 600         if (num_windows == 0)
 601                 g_signal_emit_by_name (self, "window-list-empty");
 602 }
 603
 604
 605 static void
 606 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 607                                                gboolean on)
 608 {
 609         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 610
 611         return;
 612 }
 613
 614 static gboolean
 615 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 616 {
 617         return FALSE;
 618 }
 619
 620 static void
 621 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 622                                          GType window_type,
 623                                          gboolean show_toolbars,
 624                                          gboolean fullscreen)
 625 {
 626         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 627
 628         return;
 629 }
 630
 631 static ModestWindow*
 632 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 633 {
 634         ModestHildon2WindowMgrPrivate *priv;
 635         ModestWindow *result;
 636
 637         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 638         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 639
 640         /* TODO: make this return NULL always */
 641
 642         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 643         /* create the main window, if it hasn't been created yet */
 644         if (!result && show) {
 645                 /* modest_window_mgr_register_window will set priv->main_window */
 646                 result = modest_main_window_new ();
 647                 /* We have to remove all other windows */
 648                 if (!modest_window_mgr_close_all_windows (self)) {
 649                         gtk_widget_destroy (GTK_WIDGET (result));
 650                         return NULL;
 651                 }
 652                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 653                         gtk_widget_destroy (GTK_WIDGET (result));
 654                         return NULL;
 655                 }
 656                 MODEST_DEBUG_BLOCK(
 657                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 658                 );
 659         }
 660         if (show) {
 661                 gtk_widget_show_all (GTK_WIDGET (result));
 662                 gtk_window_present (GTK_WINDOW (result));
 663         }
 664
 665         return result;
 666 }
 667
 668
 669 static GtkWindow *
 670 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 671 {
 672         ModestHildon2WindowMgrPrivate *priv;
 673         GList *toplevel_list;
 674         GtkWidget *toplevel;
 675
 676         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 677         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 678
 679         toplevel = NULL;
 680         toplevel_list = gtk_window_list_toplevels ();
 681         while (toplevel_list) {
 682                 if (gtk_window_is_active (toplevel_list->data)) {
 683                         toplevel = toplevel_list->data;
 684                         break;
 685                 }
 686                 toplevel_list = g_list_next (toplevel_list);
 687         }
 688
 689         return NULL;
 690 }
 691
 692
 693 static void
 694 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 695                                      GtkWindow *window,
 696                                      GtkWindow *parent)
 697 {
 698         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 699         g_return_if_fail (GTK_IS_WINDOW (window));
 700
 701         gtk_window_set_modal (window, TRUE);
 702         gtk_window_set_transient_for (window, parent);
 703         gtk_window_set_destroy_with_parent (window, TRUE);
 704 }
 705
 706 static ModestWindow *
 707 create_folders_view (ModestWindowMgr *self)
 708 {
 709         GtkWidget *folders_window;
 710         ModestAccountMgr *mgr;
 711         const gchar *acc_name;
 712
 713         folders_window = (GtkWidget *) modest_folder_window_new (NULL);
 714         mgr = modest_runtime_get_account_mgr ();
 715         acc_name = modest_account_mgr_get_default_account (mgr);
 716         if (!acc_name)
 717                 acc_name = MODEST_LOCAL_FOLDERS_ACCOUNT_NAME;
 718         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
 719                                           acc_name);
 720         if (modest_window_mgr_register_window (self, MODEST_WINDOW (folders_window), NULL)) {
 721                 gtk_widget_show (folders_window);
 722         } else {
 723                 gtk_widget_destroy (folders_window);
 724                 folders_window = NULL;
 725         }
 726         return MODEST_WINDOW (folders_window);
 727 }
 728
 729 static void
 730 on_account_removed (TnyAccountStore *acc_store,
 731                     TnyAccount *account,
 732                     gpointer user_data)
 733 {
 734         HildonWindowStack *stack;
 735         ModestWindow *current_top;
 736
 737         /* Ignore transport account removals */
 738         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 739                 return;
 740
 741         stack = hildon_window_stack_get_default ();
 742         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 743
 744         if (current_top &&
 745             MODEST_IS_ACCOUNTS_WINDOW (current_top) &&
 746             !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE))
 747                 create_folders_view (MODEST_WINDOW_MGR (user_data));
 748 }
 749
 750 static ModestWindow *
 751 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 752 {
 753         ModestWindow *initial_window = NULL;
 754         ModestTnyAccountStore *acc_store;
 755         ModestHildon2WindowMgrPrivate *priv;
 756
 757         /* Return accounts window */
 758         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 759         modest_window_mgr_register_window (self, initial_window, NULL);
 760
 761         /* Check if we have at least one remote account to create also
 762            the folders window */
 763         acc_store = modest_runtime_get_account_store ();
 764         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
 765                 ModestWindow *win;
 766                /* Show first the accounts window to add it to the
 767                    stack. This has to be changed when the new
 768                    stackable API is available. There will be a method
 769                    to show all the windows that will only show the
 770                    last one to the user. The current code shows both
 771                    windows, one after the other */
 772                 gtk_widget_show (GTK_WIDGET (initial_window));
 773
 774                 win = create_folders_view (MODEST_WINDOW_MGR (self));
 775                 if (win)
 776                         initial_window = win;
 777         }
 778
 779         /* Connect to the account store "account-removed" signal". If
 780            we're showing the accounts window and all the accounts are
 781            deleted we need to move to folders window automatically */
 782         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 783         priv->accounts_handler = g_signal_connect (acc_store,
 784                                                    "account-removed",
 785                                                    G_CALLBACK (on_account_removed),
 786                                                    self);
 787
 788         return initial_window;
 789 }
 790
 791
 792 static ModestWindow *
 793 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 794 {
 795         HildonWindowStack *stack;
 796         stack = hildon_window_stack_get_default ();
 797         return (ModestWindow *) hildon_window_stack_peek (stack);
 798 }
 799
 800 static gint
 801 find_folder_window (gconstpointer a,
 802                     gconstpointer b)
 803 {
 804         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 805 }
 806
 807 ModestWindow *
 808 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 809 {
 810         ModestHildon2WindowMgrPrivate *priv;
 811         GList *window;
 812
 813         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 814
 815         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 816
 817         window = g_list_find_custom (priv->window_list,
 818                                      NULL,
 819                                      find_folder_window);
 820
 821         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 822 }
 823
 824 static gboolean
 825 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 826 {
 827         ModestHildon2WindowMgrPrivate *priv = NULL;
 828
 829         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 830
 831         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 832
 833         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 834 }
 835
 836 static void
 837 osso_display_event_cb (osso_display_state_t state,
 838                        gpointer data)
 839 {
 840         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 841
 842         priv->display_state = state;
 843
 844         /* Stop blinking if the screen becomes on */
 845         if (priv->display_state == OSSO_DISPLAY_ON)
 846                 modest_platform_remove_new_mail_notifications (TRUE);
 847 }
 848