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         /* Display state */
 104         osso_display_state_t display_state;
 105 };
 106 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 107                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 108                                                                                    ModestHildon2WindowMgrPrivate))
 109 /* globals */
 110 static GObjectClass *parent_class = NULL;
 111
 112 GType
 113 modest_hildon2_window_mgr_get_type (void)
 114 {
 115         static GType my_type = 0;
 116         if (!my_type) {
 117                 static const GTypeInfo my_info = {
 118                         sizeof(ModestHildon2WindowMgrClass),
 119                         NULL,           /* base init */
 120                         NULL,           /* base finalize */
 121                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 122                         NULL,           /* class finalize */
 123                         NULL,           /* class data */
 124                         sizeof(ModestHildon2WindowMgr),
 125                         1,              /* n_preallocs */
 126                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 127                         NULL
 128                 };
 129                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 130                                                   "ModestHildon2WindowMgr",
 131                                                   &my_info, 0);
 132         }
 133         return my_type;
 134 }
 135
 136 static void
 137 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 138 {
 139         GObjectClass *gobject_class;
 140         ModestWindowMgrClass *mgr_class;
 141
 142         gobject_class = (GObjectClass*) klass;
 143         mgr_class = (ModestWindowMgrClass *) klass;
 144
 145         parent_class            = g_type_class_peek_parent (klass);
 146         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 147         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 148         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 149         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 150         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 151         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 152         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 153         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 154         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 155         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 156         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 157         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 158         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 159         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 160         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 161
 162         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 163
 164 }
 165
 166 static void
 167 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 168 {
 169         ModestHildon2WindowMgrPrivate *priv;
 170
 171         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 172         priv->window_list = NULL;
 173         priv->fullscreen_mode = FALSE;
 174         priv->current_top = NULL;
 175         priv->window_state_uids = NULL;
 176
 177         priv->modal_windows = g_queue_new ();
 178         priv->queue_lock = g_mutex_new ();
 179
 180         /* Could not initialize it from gconf, singletons are not
 181            ready yet */
 182         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 183         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 184
 185         priv->closing_time = 0;
 186
 187         priv->modal_handler_uids = NULL;
 188         priv->display_state = OSSO_DISPLAY_ON;
 189
 190         /* Listen for changes in the screen, we don't want to show a
 191            led pattern when the display is on for example */
 192         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 193                                       osso_display_event_cb,
 194                                       obj);
 195
 196 }
 197
 198 static void
 199 modest_hildon2_window_mgr_finalize (GObject *obj)
 200 {
 201         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 202
 203         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 204         priv->window_state_uids = NULL;
 205
 206         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 207                                       NULL,
 208                                       NULL);
 209         if (priv->window_list) {
 210                 GList *iter = priv->window_list;
 211                 /* unregister pending windows */
 212                 while (iter) {
 213                         ModestWindow *window = (ModestWindow *) iter->data;
 214                         iter = g_list_next (iter);
 215                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 216                 }
 217                 g_list_free (priv->window_list);
 218                 priv->window_list = NULL;
 219         }
 220
 221         /* Free the hash table with the handlers */
 222         if (priv->destroy_handlers) {
 223                 g_hash_table_destroy (priv->destroy_handlers);
 224                 priv->destroy_handlers = NULL;
 225         }
 226
 227         if (priv->viewer_handlers) {
 228                 g_hash_table_destroy (priv->viewer_handlers);
 229                 priv->viewer_handlers = NULL;
 230         }
 231
 232         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 233         priv->modal_handler_uids = NULL;
 234
 235         if (priv->modal_windows) {
 236                 g_mutex_lock (priv->queue_lock);
 237                 g_queue_free (priv->modal_windows);
 238                 priv->modal_windows = NULL;
 239                 g_mutex_unlock (priv->queue_lock);
 240         }
 241         g_mutex_free (priv->queue_lock);
 242
 243         /* Do not unref priv->main_window because it does not hold a
 244            new reference */
 245
 246         G_OBJECT_CLASS(parent_class)->finalize (obj);
 247 }
 248
 249 ModestWindowMgr*
 250 modest_hildon2_window_mgr_new (void)
 251 {
 252         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 253 }
 254
 255 static gboolean
 256 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 257 {
 258         ModestHildon2WindowMgrPrivate *priv = NULL;
 259         gboolean ret_value = FALSE;
 260         GtkWidget *window;
 261         HildonWindowStack *stack;
 262         gboolean failed = FALSE;
 263
 264         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 265         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 266
 267         stack = hildon_window_stack_get_default ();
 268
 269         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 270                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 271                 if (ret_value == TRUE) {
 272                         failed = TRUE;
 273                         break;
 274                 }
 275         }
 276
 277         return !failed;
 278 }
 279
 280 static gint
 281 compare_msguids (ModestWindow *win,
 282                  const gchar *uid)
 283 {
 284         const gchar *msg_uid;
 285
 286         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 287                 return 1;
 288
 289         /* Get message uid from msg window */
 290         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 291                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 292                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 293                         return 0;
 294         } else {
 295                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 296         }
 297
 298         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 299                 return 0;
 300         else
 301                 return 1;
 302 }
 303
 304 static gboolean
 305 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 306                                                   ModestWindow **win)
 307 {
 308         ModestHildon2WindowMgrPrivate *priv = NULL;
 309         gchar* uid = NULL;
 310         gboolean has_header, has_window = FALSE;
 311         GList *item = NULL;
 312
 313         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 314         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 315
 316         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 317
 318         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 319
 320         uid = modest_tny_folder_get_header_unique_id (header);
 321
 322         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 323         if (item) {
 324                 has_window = TRUE;
 325                 if (win) {
 326                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 327                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 328                                 g_debug ("not a valid window!");
 329                         else {
 330                                 g_debug ("found a window");
 331                                 *win = MODEST_WINDOW (item->data);
 332                         }
 333                 }
 334         }
 335         g_free (uid);
 336
 337         return has_header || has_window;
 338 }
 339
 340 static GList *
 341 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 342 {
 343         ModestHildon2WindowMgrPrivate *priv;
 344
 345         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 346         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 347
 348         return g_list_copy (priv->window_list);
 349 }
 350
 351 static gboolean
 352 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 353                                            ModestWindow *window,
 354                                            ModestWindow *parent)
 355 {
 356         GList *win;
 357         ModestHildon2WindowMgrPrivate *priv;
 358         gint *handler_id;
 359         HildonProgram *program;
 360         HildonWindowStack *stack;
 361         gboolean nested_msg = FALSE;
 362
 363         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 364         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 365
 366         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 367
 368         program = hildon_program_get_instance ();
 369         win = g_list_find (priv->window_list, window);
 370         if (win) {
 371                 /* this is for the case we want to register the window and it was already
 372                  * registered. We leave silently, telling the operation was succesful.
 373                  */
 374                 gtk_window_present (GTK_WINDOW (win));
 375                 return TRUE;
 376         }
 377
 378         stack = hildon_window_stack_get_default ();
 379
 380         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 381                 goto fail;
 382
 383         /* Add to list. Keep a reference to the window */
 384         g_object_ref (window);
 385         priv->window_list = g_list_prepend (priv->window_list, window);
 386
 387         if (priv->current_top == NULL)
 388                 priv->current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 389         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 390                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 391
 392         /* Close views if they're being shown. Nevertheless we must
 393            allow nested messages */
 394         if (!nested_msg &&
 395             (MODEST_IS_MSG_EDIT_WINDOW (priv->current_top) ||
 396              MODEST_IS_MSG_VIEW_WINDOW (priv->current_top))) {
 397                 gboolean retval;
 398
 399                 /* If the current view has modal dialogs then
 400                    we fail to register the new view */
 401                 if ((priv->current_top != NULL) &&
 402                     window_has_modals (MODEST_WINDOW (priv->current_top))) {
 403                         /* Window on top but it has opened dialogs */
 404                         goto fail;
 405                 }
 406
 407                 /* Close the current view */
 408                 g_signal_emit_by_name (G_OBJECT (priv->current_top), "delete-event", NULL, &retval);
 409                 if (retval == TRUE) {
 410                         /* Cancelled closing top window, then we fail to register */
 411                         goto fail;
 412                 }
 413         }
 414
 415         /* Listen to object destruction */
 416         handler_id = g_malloc0 (sizeof (gint));
 417         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 418         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 419
 420         /* Show toolbar always */
 421         modest_window_show_toolbar (window, TRUE);
 422
 423         return TRUE;
 424 fail:
 425         /* Add to list. Keep a reference to the window */
 426         priv->window_list = g_list_remove (priv->window_list, window);
 427         g_object_unref (window);
 428         priv->current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 429         if (priv->current_top)
 430                 gtk_window_present (GTK_WINDOW (priv->current_top));
 431         return FALSE;
 432 }
 433
 434 static void
 435 cancel_window_operations (ModestWindow *window)
 436 {
 437         GSList* pending_ops = NULL;
 438
 439         /* cancel open and receive operations */
 440         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 441                                                                  G_OBJECT (window));
 442         while (pending_ops != NULL) {
 443                 ModestMailOperationTypeOperation type;
 444                 GSList* tmp_list = NULL;
 445
 446                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 447                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 448                         modest_mail_operation_cancel (pending_ops->data);
 449                 }
 450                 g_object_unref (G_OBJECT (pending_ops->data));
 451                 tmp_list = pending_ops;
 452                 pending_ops = g_slist_next (pending_ops);
 453                 g_slist_free_1 (tmp_list);
 454         }
 455 }
 456
 457 static gboolean
 458 window_has_modals (ModestWindow *window)
 459 {
 460         GList *toplevels;
 461         GList *node;
 462         gboolean retvalue = FALSE;
 463
 464         /* First we fetch all toplevels */
 465         toplevels = gtk_window_list_toplevels ();
 466         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 467                 if (GTK_IS_WINDOW (node->data) &&
 468                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 469                     GTK_WIDGET_VISIBLE (node->data)) {
 470                         retvalue = TRUE;
 471                         break;
 472                 }
 473         }
 474         g_list_free (toplevels);
 475         return retvalue;
 476 }
 477
 478 static gboolean
 479 window_can_close (ModestWindow *window)
 480 {
 481         /* An editor can be always closed no matter the dialogs it has
 482          * on top. */
 483         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 484                 return TRUE;
 485
 486         return !window_has_modals (window);
 487 }
 488
 489 static gboolean
 490 on_window_destroy (ModestWindow *window,
 491                    GdkEvent *event,
 492                    ModestHildon2WindowMgr *self)
 493 {
 494         gboolean no_propagate = FALSE;
 495
 496         if (!window_can_close (window))
 497                 return TRUE;
 498
 499         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 500                 gboolean sent = FALSE;
 501                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 502                 /* Save currently edited message to Drafts if it was not sent */
 503                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 504
 505                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 506                                 return TRUE;
 507                 }
 508         }
 509
 510         /* Unregister window */
 511         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 512         no_propagate = FALSE;
 513
 514         return no_propagate;
 515 }
 516
 517 static void
 518 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 519                                              ModestWindow *window)
 520 {
 521         GList *win;
 522         ModestHildon2WindowMgrPrivate *priv;
 523         gulong *tmp, handler_id;
 524         guint num_windows;
 525
 526         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 527         g_return_if_fail (MODEST_IS_WINDOW (window));
 528
 529         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 530
 531         win = g_list_find (priv->window_list, window);
 532         if (!win) {
 533                 g_warning ("Trying to unregister a window that has not being registered yet");
 534                 return;
 535         }
 536
 537         /* Remove the viewer window handler from the hash table. The
 538            HashTable could not exist if the main window was closed
 539            when there were other windows remaining */
 540         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 541                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 542                 /* If the viewer was created without a main window
 543                    (for example when opening a message through D-Bus
 544                    the viewer handlers was not registered */
 545                 if (tmp) {
 546                         g_signal_handler_disconnect (window, *tmp);
 547                         g_hash_table_remove (priv->viewer_handlers, window);
 548                 }
 549         }
 550
 551         /* Remove from list & hash table */
 552         priv->window_list = g_list_remove_link (priv->window_list, win);
 553         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 554         handler_id = *tmp;
 555
 556         g_hash_table_remove (priv->destroy_handlers, window);
 557
 558         /* cancel open and receive operations */
 559         cancel_window_operations (window);
 560
 561         /* Check if it's the topmost window, and remove the window from the stack.
 562          * This is needed for the cases there's no other topmost window that will
 563          * replace it in topmost handler.
 564          */
 565          if (window == priv->current_top)
 566                  priv->current_top = NULL;
 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 ModestWindow *
 697 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 698 {
 699         ModestWindow *initial_window = NULL;
 700
 701         /* Return accounts window */
 702         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 703         modest_window_mgr_register_window (self, initial_window, NULL);
 704
 705         return initial_window;
 706 }
 707
 708
 709 static ModestWindow *
 710 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 711 {
 712         ModestHildon2WindowMgrPrivate *priv;
 713
 714         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 715         return priv->current_top;
 716 }
 717
 718 static gint
 719 find_folder_window (gconstpointer a,
 720                     gconstpointer b)
 721 {
 722         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 723 }
 724
 725 ModestWindow *
 726 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 727 {
 728         ModestHildon2WindowMgrPrivate *priv;
 729         GList *window;
 730
 731         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 732
 733         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 734
 735         window = g_list_find_custom (priv->window_list,
 736                                      NULL,
 737                                      find_folder_window);
 738
 739         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 740 }
 741
 742 static gboolean
 743 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 744 {
 745         ModestHildon2WindowMgrPrivate *priv = NULL;
 746
 747         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 748
 749         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 750
 751         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 752 }
 753
 754 static void
 755 osso_display_event_cb (osso_display_state_t state,
 756                        gpointer data)
 757 {
 758         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 759
 760         priv->display_state = state;
 761
 762         /* Stop blinking if the screen becomes on */
 763         if (priv->display_state == OSSO_DISPLAY_ON)
 764                 modest_platform_remove_new_mail_notifications (TRUE);
 765 }
 766