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         HildonWindowStack *stack;
 367         gboolean nested_msg = FALSE;
 368         ModestWindow *current_top;
 369
 370         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 371         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 372
 373         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 374
 375         stack = hildon_window_stack_get_default ();
 376         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 377
 378         win = g_list_find (priv->window_list, window);
 379         if (win) {
 380                 /* this is for the case we want to register the window
 381                    and it was already registered */
 382                 gtk_window_present (GTK_WINDOW (win));
 383                 return FALSE;
 384         }
 385
 386         if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
 387                 g_debug ("Trying to register a second folder window is not allowed");
 388                 gtk_window_present (GTK_WINDOW (current_top));
 389                 return FALSE;
 390         }
 391
 392         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 393                 goto fail;
 394
 395         /* Add to list. Keep a reference to the window */
 396         g_object_ref (window);
 397         priv->window_list = g_list_prepend (priv->window_list, window);
 398
 399         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 400                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 401
 402         /* Close views if they're being shown. Nevertheless we must
 403            allow nested messages */
 404         if (!nested_msg &&
 405             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 406              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 407                 gboolean retval;
 408
 409                 /* If the current view has modal dialogs then
 410                    we fail to register the new view */
 411                 if ((current_top != NULL) &&
 412                     window_has_modals (MODEST_WINDOW (current_top))) {
 413                         /* Window on top but it has opened dialogs */
 414                         goto fail;
 415                 }
 416
 417                 /* Close the current view */
 418                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 419                 if (retval == TRUE) {
 420                         /* Cancelled closing top window, then we fail to register */
 421                         goto fail;
 422                 }
 423         }
 424
 425         /* Listen to object destruction */
 426         handler_id = g_malloc0 (sizeof (gint));
 427         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 428         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 429
 430         /* Show toolbar always */
 431         modest_window_show_toolbar (window, TRUE);
 432
 433         return TRUE;
 434 fail:
 435         /* Add to list. Keep a reference to the window */
 436         priv->window_list = g_list_remove (priv->window_list, window);
 437         g_object_unref (window);
 438         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 439         if (current_top)
 440                 gtk_window_present (GTK_WINDOW (current_top));
 441         return FALSE;
 442 }
 443
 444 static void
 445 cancel_window_operations (ModestWindow *window)
 446 {
 447         GSList* pending_ops = NULL;
 448
 449         /* cancel open and receive operations */
 450         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 451                                                                  G_OBJECT (window));
 452         while (pending_ops != NULL) {
 453                 ModestMailOperationTypeOperation type;
 454                 GSList* tmp_list = NULL;
 455
 456                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 457                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 458                         modest_mail_operation_cancel (pending_ops->data);
 459                 }
 460                 g_object_unref (G_OBJECT (pending_ops->data));
 461                 tmp_list = pending_ops;
 462                 pending_ops = g_slist_next (pending_ops);
 463                 g_slist_free_1 (tmp_list);
 464         }
 465 }
 466
 467 static gboolean
 468 window_has_modals (ModestWindow *window)
 469 {
 470         GList *toplevels;
 471         GList *node;
 472         gboolean retvalue = FALSE;
 473
 474         /* First we fetch all toplevels */
 475         toplevels = gtk_window_list_toplevels ();
 476         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 477                 if (GTK_IS_WINDOW (node->data) &&
 478                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 479                     GTK_WIDGET_VISIBLE (node->data)) {
 480                         retvalue = TRUE;
 481                         break;
 482                 }
 483         }
 484         g_list_free (toplevels);
 485         return retvalue;
 486 }
 487
 488 static gboolean
 489 window_can_close (ModestWindow *window)
 490 {
 491         /* An editor can be always closed no matter the dialogs it has
 492          * on top. */
 493         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 494                 return TRUE;
 495
 496         return !window_has_modals (window);
 497 }
 498
 499 static gboolean
 500 on_window_destroy (ModestWindow *window,
 501                    GdkEvent *event,
 502                    ModestHildon2WindowMgr *self)
 503 {
 504         gboolean no_propagate = FALSE;
 505
 506         if (!window_can_close (window))
 507                 return TRUE;
 508
 509         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 510                 gboolean sent = FALSE;
 511                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 512                 /* Save currently edited message to Drafts if it was not sent */
 513                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 514
 515                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 516                                 return TRUE;
 517                 }
 518         }
 519
 520         /* Unregister window */
 521         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 522         no_propagate = FALSE;
 523
 524         return no_propagate;
 525 }
 526
 527 static void
 528 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 529                                              ModestWindow *window)
 530 {
 531         GList *win;
 532         ModestHildon2WindowMgrPrivate *priv;
 533         gulong *tmp, handler_id;
 534         guint num_windows;
 535
 536         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 537         g_return_if_fail (MODEST_IS_WINDOW (window));
 538
 539         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 540
 541         win = g_list_find (priv->window_list, window);
 542         if (!win) {
 543                 g_warning ("Trying to unregister a window that has not being registered yet");
 544                 return;
 545         }
 546
 547         /* Remove the viewer window handler from the hash table. The
 548            HashTable could not exist if the main window was closed
 549            when there were other windows remaining */
 550         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 551                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 552                 /* If the viewer was created without a main window
 553                    (for example when opening a message through D-Bus
 554                    the viewer handlers was not registered */
 555                 if (tmp) {
 556                         g_signal_handler_disconnect (window, *tmp);
 557                         g_hash_table_remove (priv->viewer_handlers, window);
 558                 }
 559         }
 560
 561         /* Remove from list & hash table */
 562         priv->window_list = g_list_remove_link (priv->window_list, win);
 563         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 564         handler_id = *tmp;
 565
 566         g_hash_table_remove (priv->destroy_handlers, window);
 567
 568         /* cancel open and receive operations */
 569         cancel_window_operations (window);
 570
 571         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 572         if (priv->window_state_uids) {
 573                 priv->window_state_uids =
 574                         modest_signal_mgr_disconnect (priv->window_state_uids,
 575                                                       G_OBJECT (window),
 576                                                       "notify::is-topmost");
 577         }
 578
 579         /* Disconnect the "delete-event" handler, we won't need it anymore */
 580         g_signal_handler_disconnect (window, handler_id);
 581
 582         /* Destroy the window */
 583         g_object_unref (win->data);
 584         g_list_free (win);
 585
 586         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 587
 588         /* We have to get the number of windows here in order not to
 589            emit the signal too many times */
 590         num_windows = modest_window_mgr_get_num_windows (self);
 591
 592         /* If there are no more windows registered emit the signal */
 593         if (num_windows == 0)
 594                 g_signal_emit_by_name (self, "window-list-empty");
 595 }
 596
 597
 598 static void
 599 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 600                                                gboolean on)
 601 {
 602         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 603
 604         return;
 605 }
 606
 607 static gboolean
 608 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 609 {
 610         return FALSE;
 611 }
 612
 613 static void
 614 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 615                                          GType window_type,
 616                                          gboolean show_toolbars,
 617                                          gboolean fullscreen)
 618 {
 619         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 620
 621         return;
 622 }
 623
 624 static ModestWindow*
 625 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 626 {
 627         ModestHildon2WindowMgrPrivate *priv;
 628         ModestWindow *result;
 629
 630         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 631         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 632
 633         /* TODO: make this return NULL always */
 634
 635         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 636         /* create the main window, if it hasn't been created yet */
 637         if (!result && show) {
 638                 /* modest_window_mgr_register_window will set priv->main_window */
 639                 result = modest_main_window_new ();
 640                 /* We have to remove all other windows */
 641                 if (!modest_window_mgr_close_all_windows (self)) {
 642                         gtk_widget_destroy (GTK_WIDGET (result));
 643                         return NULL;
 644                 }
 645                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 646                         gtk_widget_destroy (GTK_WIDGET (result));
 647                         return NULL;
 648                 }
 649                 MODEST_DEBUG_BLOCK(
 650                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 651                 );
 652         }
 653         if (show) {
 654                 gtk_widget_show_all (GTK_WIDGET (result));
 655                 gtk_window_present (GTK_WINDOW (result));
 656         }
 657
 658         return result;
 659 }
 660
 661
 662 static GtkWindow *
 663 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 664 {
 665         ModestHildon2WindowMgrPrivate *priv;
 666         GList *toplevel_list;
 667         GtkWidget *toplevel;
 668
 669         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 670         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 671
 672         toplevel = NULL;
 673         toplevel_list = gtk_window_list_toplevels ();
 674         while (toplevel_list) {
 675                 if (gtk_window_is_active (toplevel_list->data)) {
 676                         toplevel = toplevel_list->data;
 677                         break;
 678                 }
 679                 toplevel_list = g_list_next (toplevel_list);
 680         }
 681
 682         return NULL;
 683 }
 684
 685
 686 static void
 687 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 688                                      GtkWindow *window,
 689                                      GtkWindow *parent)
 690 {
 691         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 692         g_return_if_fail (GTK_IS_WINDOW (window));
 693
 694         gtk_window_set_modal (window, TRUE);
 695         gtk_window_set_transient_for (window, parent);
 696         gtk_window_set_destroy_with_parent (window, TRUE);
 697 }
 698
 699 static ModestWindow *
 700 create_folders_view (ModestWindowMgr *self)
 701 {
 702         GtkWidget *folders_window;
 703         ModestAccountMgr *mgr;
 704         const gchar *acc_name;
 705
 706         folders_window = (GtkWidget *) modest_folder_window_new (NULL);
 707         mgr = modest_runtime_get_account_mgr ();
 708         acc_name = modest_account_mgr_get_default_account (mgr);
 709         if (!acc_name)
 710                 acc_name = MODEST_LOCAL_FOLDERS_ACCOUNT_NAME;
 711         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
 712                                           acc_name);
 713         if (modest_window_mgr_register_window (self, MODEST_WINDOW (folders_window), NULL)) {
 714                 gtk_widget_show (folders_window);
 715         } else {
 716                 gtk_widget_destroy (folders_window);
 717                 folders_window = NULL;
 718         }
 719         return folders_window;
 720 }
 721
 722 static void
 723 on_account_removed (TnyAccountStore *acc_store,
 724                     TnyAccount *account,
 725                     gpointer user_data)
 726 {
 727         HildonWindowStack *stack;
 728         ModestWindow *current_top;
 729
 730         /* Ignore transport account removals */
 731         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 732                 return;
 733
 734         stack = hildon_window_stack_get_default ();
 735         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 736
 737         if (current_top &&
 738             MODEST_IS_ACCOUNTS_WINDOW (current_top) &&
 739             !modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE))
 740                 create_folders_view (MODEST_WINDOW_MGR (user_data));
 741 }
 742
 743 static ModestWindow *
 744 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 745 {
 746         ModestWindow *initial_window = NULL;
 747         ModestTnyAccountStore *acc_store;
 748         ModestHildon2WindowMgrPrivate *priv;
 749
 750         /* Return accounts window */
 751         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 752         modest_window_mgr_register_window (self, initial_window, NULL);
 753
 754         /* Check if we have at least one remote account to create also
 755            the folders window */
 756         acc_store = modest_runtime_get_account_store ();
 757         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
 758                 ModestWindow *win;
 759                /* Show first the accounts window to add it to the
 760                    stack. This has to be changed when the new
 761                    stackable API is available. There will be a method
 762                    to show all the windows that will only show the
 763                    last one to the user. The current code shows both
 764                    windows, one after the other */
 765                 gtk_widget_show (GTK_WIDGET (initial_window));
 766
 767                 win = create_folders_view (MODEST_WINDOW_MGR (self));
 768                 if (win)
 769                         initial_window = win;
 770         }
 771
 772         /* Connect to the account store "account-removed" signal". If
 773            we're showing the accounts window and all the accounts are
 774            deleted we need to move to folders window automatically */
 775         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 776         priv->accounts_handler = g_signal_connect (acc_store,
 777                                                    "account-removed",
 778                                                    G_CALLBACK (on_account_removed),
 779                                                    self);
 780
 781         return initial_window;
 782 }
 783
 784
 785 static ModestWindow *
 786 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 787 {
 788         HildonWindowStack *stack;
 789         stack = hildon_window_stack_get_default ();
 790         return (ModestWindow *) hildon_window_stack_peek (stack);
 791 }
 792
 793 static gint
 794 find_folder_window (gconstpointer a,
 795                     gconstpointer b)
 796 {
 797         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 798 }
 799
 800 ModestWindow *
 801 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 802 {
 803         ModestHildon2WindowMgrPrivate *priv;
 804         GList *window;
 805
 806         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 807
 808         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 809
 810         window = g_list_find_custom (priv->window_list,
 811                                      NULL,
 812                                      find_folder_window);
 813
 814         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 815 }
 816
 817 static gboolean
 818 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 819 {
 820         ModestHildon2WindowMgrPrivate *priv = NULL;
 821
 822         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 823
 824         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 825
 826         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 827 }
 828
 829 static void
 830 osso_display_event_cb (osso_display_state_t state,
 831                        gpointer data)
 832 {
 833         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 834
 835         priv->display_state = state;
 836
 837         /* Stop blinking if the screen becomes on */
 838         if (priv->display_state == OSSO_DISPLAY_ON)
 839                 modest_platform_remove_new_mail_notifications (TRUE);
 840 }
 841