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 #include <tny-merge-folder.h>
  48
  49 /* 'private'/'protected' functions */
  50 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  51 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  52 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  53
  54 static gboolean on_window_destroy        (ModestWindow *window,
  55                                           GdkEvent *event,
  56                                           ModestHildon2WindowMgr *self);
  57
  58 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  59                                                            ModestWindow *window,
  60                                                            ModestWindow *parent);
  61 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  62                                                          ModestWindow *window);
  63 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  64                                                            gboolean on);
  65 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  66 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  67                                                      GType window_type,
  68                                                      gboolean show_toolbars,
  69                                                      gboolean fullscreen);
  70 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  71 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  72 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  73                                                  GtkWindow *window,
  74                                                  GtkWindow *parent);
  75 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  76                                                                   TnyHeader *header,
  77                                                                   ModestWindow **win);
  78 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  79 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  80 static gboolean window_can_close (ModestWindow *window);
  81 static gboolean window_has_modals (ModestWindow *window);
  82 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  83 static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
  84 static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
  85 static void osso_display_event_cb (osso_display_state_t state,
  86                                    gpointer data);
  87
  88 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  89 struct _ModestHildon2WindowMgrPrivate {
  90         GList        *window_list;
  91         GMutex       *queue_lock;
  92         GQueue       *modal_windows;
  93
  94         gboolean     fullscreen_mode;
  95
  96         GHashTable   *destroy_handlers;
  97         GHashTable   *viewer_handlers;
  98         GSList       *window_state_uids;
  99
 100         guint        closing_time;
 101
 102         GSList       *modal_handler_uids;
 103         ModestWindow *current_top;
 104
 105         gulong        accounts_handler;
 106
 107         /* Display state */
 108         osso_display_state_t display_state;
 109 };
 110 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 111                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 112                                                                                    ModestHildon2WindowMgrPrivate))
 113 /* globals */
 114 static GObjectClass *parent_class = NULL;
 115
 116 GType
 117 modest_hildon2_window_mgr_get_type (void)
 118 {
 119         static GType my_type = 0;
 120         if (!my_type) {
 121                 static const GTypeInfo my_info = {
 122                         sizeof(ModestHildon2WindowMgrClass),
 123                         NULL,           /* base init */
 124                         NULL,           /* base finalize */
 125                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 126                         NULL,           /* class finalize */
 127                         NULL,           /* class data */
 128                         sizeof(ModestHildon2WindowMgr),
 129                         1,              /* n_preallocs */
 130                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 131                         NULL
 132                 };
 133                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 134                                                   "ModestHildon2WindowMgr",
 135                                                   &my_info, 0);
 136         }
 137         return my_type;
 138 }
 139
 140 static void
 141 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 142 {
 143         GObjectClass *gobject_class;
 144         ModestWindowMgrClass *mgr_class;
 145
 146         gobject_class = (GObjectClass*) klass;
 147         mgr_class = (ModestWindowMgrClass *) klass;
 148
 149         parent_class            = g_type_class_peek_parent (klass);
 150         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 151         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 152         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 153         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 154         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 155         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 156         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 157         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 158         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 159         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 160         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 161         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 162         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 163         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 164         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 165
 166         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 167
 168 }
 169
 170 static void
 171 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 172 {
 173         ModestHildon2WindowMgrPrivate *priv;
 174
 175         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 176         priv->window_list = NULL;
 177         priv->fullscreen_mode = FALSE;
 178         priv->window_state_uids = NULL;
 179
 180         priv->modal_windows = g_queue_new ();
 181         priv->queue_lock = g_mutex_new ();
 182
 183         /* Could not initialize it from gconf, singletons are not
 184            ready yet */
 185         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 186         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 187
 188         priv->closing_time = 0;
 189
 190         priv->modal_handler_uids = NULL;
 191         priv->display_state = OSSO_DISPLAY_ON;
 192
 193         /* Listen for changes in the screen, we don't want to show a
 194            led pattern when the display is on for example */
 195         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 196                                       osso_display_event_cb,
 197                                       obj);
 198
 199 }
 200
 201 static void
 202 modest_hildon2_window_mgr_finalize (GObject *obj)
 203 {
 204         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 205         ModestTnyAccountStore *acc_store;
 206
 207         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 208         priv->window_state_uids = NULL;
 209
 210         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 211                                       NULL,
 212                                       NULL);
 213
 214         acc_store = modest_runtime_get_account_store ();
 215         if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
 216             g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 217
 218         if (priv->window_list) {
 219                 GList *iter = priv->window_list;
 220                 /* unregister pending windows */
 221                 while (iter) {
 222                         ModestWindow *window = (ModestWindow *) iter->data;
 223                         iter = g_list_next (iter);
 224                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 225                 }
 226                 g_list_free (priv->window_list);
 227                 priv->window_list = NULL;
 228         }
 229
 230         /* Free the hash table with the handlers */
 231         if (priv->destroy_handlers) {
 232                 g_hash_table_destroy (priv->destroy_handlers);
 233                 priv->destroy_handlers = NULL;
 234         }
 235
 236         if (priv->viewer_handlers) {
 237                 g_hash_table_destroy (priv->viewer_handlers);
 238                 priv->viewer_handlers = NULL;
 239         }
 240
 241         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 242         priv->modal_handler_uids = NULL;
 243
 244         if (priv->modal_windows) {
 245                 g_mutex_lock (priv->queue_lock);
 246                 g_queue_free (priv->modal_windows);
 247                 priv->modal_windows = NULL;
 248                 g_mutex_unlock (priv->queue_lock);
 249         }
 250         g_mutex_free (priv->queue_lock);
 251
 252         /* Do not unref priv->main_window because it does not hold a
 253            new reference */
 254
 255         G_OBJECT_CLASS(parent_class)->finalize (obj);
 256 }
 257
 258 ModestWindowMgr*
 259 modest_hildon2_window_mgr_new (void)
 260 {
 261         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 262 }
 263
 264 static gboolean
 265 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 266 {
 267         ModestHildon2WindowMgrPrivate *priv = NULL;
 268         gboolean ret_value = FALSE;
 269         GtkWidget *window;
 270         HildonWindowStack *stack;
 271         gboolean failed = FALSE;
 272
 273         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 274         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 275
 276         stack = hildon_window_stack_get_default ();
 277
 278         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 279                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 280                 if (ret_value == TRUE) {
 281                         failed = TRUE;
 282                         break;
 283                 }
 284         }
 285
 286         return !failed;
 287 }
 288
 289 static gint
 290 compare_msguids (ModestWindow *win,
 291                  const gchar *uid)
 292 {
 293         const gchar *msg_uid;
 294
 295         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 296                 return 1;
 297
 298         /* Get message uid from msg window */
 299         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 300                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 301                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 302                         return 0;
 303         } else {
 304                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 305         }
 306
 307         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 308                 return 0;
 309         else
 310                 return 1;
 311 }
 312
 313 static gboolean
 314 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 315                                                   ModestWindow **win)
 316 {
 317         ModestHildon2WindowMgrPrivate *priv = NULL;
 318         gchar* uid = NULL;
 319         gboolean has_header, has_window = FALSE;
 320         GList *item = NULL;
 321
 322         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 323         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 324
 325         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 326
 327         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 328
 329         uid = modest_tny_folder_get_header_unique_id (header);
 330
 331         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 332         if (item) {
 333                 has_window = TRUE;
 334                 if (win) {
 335                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 336                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 337                                 g_debug ("not a valid window!");
 338                         else {
 339                                 g_debug ("found a window");
 340                                 *win = MODEST_WINDOW (item->data);
 341                         }
 342                 }
 343         }
 344         g_free (uid);
 345
 346         return has_header || has_window;
 347 }
 348
 349 static GList *
 350 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 351 {
 352         ModestHildon2WindowMgrPrivate *priv;
 353
 354         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 355         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 356
 357         return g_list_copy (priv->window_list);
 358 }
 359
 360 static gboolean
 361 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 362                                            ModestWindow *window,
 363                                            ModestWindow *parent)
 364 {
 365         GList *win;
 366         ModestHildon2WindowMgrPrivate *priv;
 367         gint *handler_id;
 368         HildonWindowStack *stack;
 369         gboolean nested_msg = FALSE;
 370         ModestWindow *current_top;
 371
 372         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 373         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 374
 375         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 376
 377         stack = hildon_window_stack_get_default ();
 378         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 379
 380         win = g_list_find (priv->window_list, window);
 381         if (win) {
 382                 /* this is for the case we want to register the window
 383                    and it was already registered */
 384                 gtk_window_present (GTK_WINDOW (win));
 385                 return FALSE;
 386         }
 387
 388         if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
 389                 g_debug ("Trying to register a second folder window is not allowed");
 390                 gtk_window_present (GTK_WINDOW (current_top));
 391                 return FALSE;
 392         }
 393
 394         if (MODEST_IS_HEADER_WINDOW (current_top) && MODEST_IS_HEADER_WINDOW (window)) {
 395                 g_debug ("Trying to register a second header window is not allowed");
 396                 gtk_window_present (GTK_WINDOW (current_top));
 397                 return FALSE;
 398         }
 399
 400         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 401                 goto fail;
 402
 403         /* Add to list. Keep a reference to the window */
 404         g_object_ref (window);
 405         priv->window_list = g_list_prepend (priv->window_list, window);
 406
 407         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 408                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 409
 410         /* Close views if they're being shown. Nevertheless we must
 411            allow nested messages */
 412         if (!nested_msg &&
 413             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 414              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 415                 gboolean retval;
 416
 417                 /* If the current view has modal dialogs then
 418                    we fail to register the new view */
 419                 if ((current_top != NULL) &&
 420                     window_has_modals (MODEST_WINDOW (current_top))) {
 421                         /* Window on top but it has opened dialogs */
 422                         goto fail;
 423                 }
 424
 425                 /* Close the current view */
 426                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 427                 if (retval == TRUE) {
 428                         /* Cancelled closing top window, then we fail to register */
 429                         goto fail;
 430                 }
 431         }
 432
 433         /* Listen to object destruction */
 434         handler_id = g_malloc0 (sizeof (gint));
 435         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 436         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 437
 438         /* Show toolbar always */
 439         modest_window_show_toolbar (window, TRUE);
 440
 441         return TRUE;
 442 fail:
 443         /* Add to list. Keep a reference to the window */
 444         priv->window_list = g_list_remove (priv->window_list, window);
 445         g_object_unref (window);
 446         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 447         if (current_top)
 448                 gtk_window_present (GTK_WINDOW (current_top));
 449         return FALSE;
 450 }
 451
 452 static void
 453 cancel_window_operations (ModestWindow *window)
 454 {
 455         GSList* pending_ops = NULL;
 456
 457         /* cancel open and receive operations */
 458         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 459                                                                  G_OBJECT (window));
 460         while (pending_ops != NULL) {
 461                 ModestMailOperationTypeOperation type;
 462                 GSList* tmp_list = NULL;
 463
 464                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 465                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 466                         modest_mail_operation_cancel (pending_ops->data);
 467                 }
 468                 g_object_unref (G_OBJECT (pending_ops->data));
 469                 tmp_list = pending_ops;
 470                 pending_ops = g_slist_next (pending_ops);
 471                 g_slist_free_1 (tmp_list);
 472         }
 473 }
 474
 475 static gboolean
 476 window_has_modals (ModestWindow *window)
 477 {
 478         GList *toplevels;
 479         GList *node;
 480         gboolean retvalue = FALSE;
 481
 482         /* First we fetch all toplevels */
 483         toplevels = gtk_window_list_toplevels ();
 484         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 485                 if (GTK_IS_WINDOW (node->data) &&
 486                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 487                     GTK_WIDGET_VISIBLE (node->data)) {
 488                         retvalue = TRUE;
 489                         break;
 490                 }
 491         }
 492         g_list_free (toplevels);
 493         return retvalue;
 494 }
 495
 496 static gboolean
 497 window_can_close (ModestWindow *window)
 498 {
 499         /* An editor can be always closed no matter the dialogs it has
 500          * on top. */
 501         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 502                 return TRUE;
 503
 504         return !window_has_modals (window);
 505 }
 506
 507 static gboolean
 508 on_window_destroy (ModestWindow *window,
 509                    GdkEvent *event,
 510                    ModestHildon2WindowMgr *self)
 511 {
 512         gboolean no_propagate = FALSE;
 513
 514         if (!window_can_close (window))
 515                 return TRUE;
 516
 517         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 518                 gboolean sent = FALSE;
 519                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 520                 /* Save currently edited message to Drafts if it was not sent */
 521                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 522
 523                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 524                                 return TRUE;
 525                 }
 526         }
 527
 528         /* Unregister window */
 529         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 530         no_propagate = FALSE;
 531
 532         return no_propagate;
 533 }
 534
 535 static void
 536 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 537                                              ModestWindow *window)
 538 {
 539         GList *win;
 540         ModestHildon2WindowMgrPrivate *priv;
 541         gulong *tmp, handler_id;
 542         guint num_windows;
 543
 544         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 545         g_return_if_fail (MODEST_IS_WINDOW (window));
 546
 547         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 548
 549         win = g_list_find (priv->window_list, window);
 550         if (!win) {
 551                 g_warning ("Trying to unregister a window that has not being registered yet");
 552                 return;
 553         }
 554
 555         /* Remove the viewer window handler from the hash table. The
 556            HashTable could not exist if the main window was closed
 557            when there were other windows remaining */
 558         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 559                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 560                 /* If the viewer was created without a main window
 561                    (for example when opening a message through D-Bus
 562                    the viewer handlers was not registered */
 563                 if (tmp) {
 564                         g_signal_handler_disconnect (window, *tmp);
 565                         g_hash_table_remove (priv->viewer_handlers, window);
 566                 }
 567         }
 568
 569         /* Remove from list & hash table */
 570         priv->window_list = g_list_remove_link (priv->window_list, win);
 571         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 572         handler_id = *tmp;
 573
 574         g_hash_table_remove (priv->destroy_handlers, window);
 575
 576         /* cancel open and receive operations */
 577         cancel_window_operations (window);
 578
 579         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 580         if (priv->window_state_uids) {
 581                 priv->window_state_uids =
 582                         modest_signal_mgr_disconnect (priv->window_state_uids,
 583                                                       G_OBJECT (window),
 584                                                       "notify::is-topmost");
 585         }
 586
 587         /* Disconnect the "delete-event" handler, we won't need it anymore */
 588         g_signal_handler_disconnect (window, handler_id);
 589
 590         /* Destroy the window */
 591         g_object_unref (win->data);
 592         g_list_free (win);
 593
 594         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 595
 596         /* We have to get the number of windows here in order not to
 597            emit the signal too many times */
 598         num_windows = modest_window_mgr_get_num_windows (self);
 599
 600         /* If there are no more windows registered emit the signal */
 601         if (num_windows == 0)
 602                 g_signal_emit_by_name (self, "window-list-empty");
 603 }
 604
 605
 606 static void
 607 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 608                                                gboolean on)
 609 {
 610         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 611
 612         return;
 613 }
 614
 615 static gboolean
 616 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 617 {
 618         return FALSE;
 619 }
 620
 621 static void
 622 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 623                                          GType window_type,
 624                                          gboolean show_toolbars,
 625                                          gboolean fullscreen)
 626 {
 627         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 628
 629         return;
 630 }
 631
 632 static ModestWindow*
 633 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 634 {
 635         ModestHildon2WindowMgrPrivate *priv;
 636         ModestWindow *result;
 637
 638         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 639         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 640
 641         /* TODO: make this return NULL always */
 642
 643         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 644         /* create the main window, if it hasn't been created yet */
 645         if (!result && show) {
 646                 /* modest_window_mgr_register_window will set priv->main_window */
 647                 result = modest_main_window_new ();
 648                 /* We have to remove all other windows */
 649                 if (!modest_window_mgr_close_all_windows (self)) {
 650                         gtk_widget_destroy (GTK_WIDGET (result));
 651                         return NULL;
 652                 }
 653                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 654                         gtk_widget_destroy (GTK_WIDGET (result));
 655                         return NULL;
 656                 }
 657                 MODEST_DEBUG_BLOCK(
 658                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 659                 );
 660         }
 661         if (show) {
 662                 gtk_widget_show_all (GTK_WIDGET (result));
 663                 gtk_window_present (GTK_WINDOW (result));
 664         }
 665
 666         return result;
 667 }
 668
 669
 670 static GtkWindow *
 671 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 672 {
 673         ModestHildon2WindowMgrPrivate *priv;
 674         GList *toplevel_list;
 675         GtkWidget *toplevel;
 676
 677         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 678         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 679
 680         toplevel = NULL;
 681         toplevel_list = gtk_window_list_toplevels ();
 682         while (toplevel_list) {
 683                 if (gtk_window_is_active (toplevel_list->data)) {
 684                         toplevel = toplevel_list->data;
 685                         break;
 686                 }
 687                 toplevel_list = g_list_next (toplevel_list);
 688         }
 689
 690         return NULL;
 691 }
 692
 693
 694 static void
 695 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 696                                      GtkWindow *window,
 697                                      GtkWindow *parent)
 698 {
 699         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 700         g_return_if_fail (GTK_IS_WINDOW (window));
 701
 702         gtk_window_set_modal (window, TRUE);
 703         gtk_window_set_transient_for (window, parent);
 704         gtk_window_set_destroy_with_parent (window, TRUE);
 705 }
 706
 707 static ModestWindow *
 708 create_folders_view (ModestWindowMgr *self)
 709 {
 710         GtkWidget *folders_window;
 711         ModestAccountMgr *mgr;
 712         const gchar *acc_name;
 713
 714         folders_window = (GtkWidget *) modest_folder_window_new (NULL);
 715         mgr = modest_runtime_get_account_mgr ();
 716         acc_name = modest_account_mgr_get_default_account (mgr);
 717         if (!acc_name)
 718                 acc_name = MODEST_LOCAL_FOLDERS_ACCOUNT_NAME;
 719         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
 720                                           acc_name);
 721         if (modest_window_mgr_register_window (self, MODEST_WINDOW (folders_window), NULL)) {
 722                 gtk_widget_show (folders_window);
 723         } else {
 724                 gtk_widget_destroy (folders_window);
 725                 folders_window = NULL;
 726         }
 727         return MODEST_WINDOW (folders_window);
 728 }
 729
 730 static void
 731 on_account_removed (TnyAccountStore *acc_store,
 732                     TnyAccount *account,
 733                     gpointer user_data)
 734 {
 735         HildonWindowStack *stack;
 736         ModestWindow *current_top;
 737         gboolean has_accounts;
 738
 739         /* Ignore transport account removals */
 740         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 741                 return;
 742
 743         stack = hildon_window_stack_get_default ();
 744         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 745         has_accounts = modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
 746
 747         if (current_top &&
 748             MODEST_IS_ACCOUNTS_WINDOW (current_top) &&
 749             !has_accounts) {
 750                 create_folders_view (MODEST_WINDOW_MGR (user_data));
 751         }
 752
 753         /* if we're showing the header view of the currently deleted
 754            account, or the outbox and we deleted the last account,
 755            then close the window */
 756         if (current_top && MODEST_IS_HEADER_WINDOW (current_top)) {
 757                 ModestHeaderView *header_view;
 758                 TnyFolder *folder;
 759                 gboolean deleted = FALSE;
 760
 761                 header_view = modest_header_window_get_header_view (MODEST_HEADER_WINDOW (current_top));
 762                 folder = modest_header_view_get_folder (header_view);
 763                 if (folder) {
 764                         gboolean retval;
 765
 766                         /* Close if it's my account */
 767                         if (!TNY_IS_MERGE_FOLDER (folder)) {
 768                                 TnyAccount *my_account;
 769
 770                                 my_account = tny_folder_get_account (folder);
 771                                 if (my_account) {
 772                                         if (my_account == account) {
 773                                                 g_signal_emit_by_name (G_OBJECT (current_top),
 774                                                                        "delete-event",
 775                                                                        NULL, &retval);
 776                                                 deleted = TRUE;
 777                                         }
 778                                         g_object_unref (my_account);
 779                                 }
 780                         }
 781
 782                         /* Close if viewing outbox and no account left */
 783                         if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 784                                 if (!has_accounts) {
 785                                         g_signal_emit_by_name (G_OBJECT (current_top),
 786                                                                "delete-event",
 787                                                                NULL, &retval);
 788                                         deleted = TRUE;
 789                                 }
 790                         }
 791                         g_object_unref (folder);
 792
 793                         if (deleted) {
 794                                 current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 795                         }
 796                 }
 797         }
 798 }
 799
 800 static ModestWindow *
 801 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 802 {
 803         ModestWindow *initial_window = NULL;
 804         ModestTnyAccountStore *acc_store;
 805         ModestHildon2WindowMgrPrivate *priv;
 806
 807         /* Return accounts window */
 808         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 809         modest_window_mgr_register_window (self, initial_window, NULL);
 810
 811         /* Check if we have at least one remote account to create also
 812            the folders window */
 813         acc_store = modest_runtime_get_account_store ();
 814         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
 815                 ModestWindow *win;
 816                /* Show first the accounts window to add it to the
 817                    stack. This has to be changed when the new
 818                    stackable API is available. There will be a method
 819                    to show all the windows that will only show the
 820                    last one to the user. The current code shows both
 821                    windows, one after the other */
 822                 gtk_widget_show (GTK_WIDGET (initial_window));
 823
 824                 win = create_folders_view (MODEST_WINDOW_MGR (self));
 825                 if (win)
 826                         initial_window = win;
 827         }
 828
 829         /* Connect to the account store "account-removed" signal". If
 830            we're showing the accounts window and all the accounts are
 831            deleted we need to move to folders window automatically */
 832         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 833         priv->accounts_handler = g_signal_connect (acc_store,
 834                                                    "account-removed",
 835                                                    G_CALLBACK (on_account_removed),
 836                                                    self);
 837
 838         return initial_window;
 839 }
 840
 841
 842 static ModestWindow *
 843 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 844 {
 845         HildonWindowStack *stack;
 846         stack = hildon_window_stack_get_default ();
 847         return (ModestWindow *) hildon_window_stack_peek (stack);
 848 }
 849
 850 static gint
 851 find_folder_window (gconstpointer a,
 852                     gconstpointer b)
 853 {
 854         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 855 }
 856
 857 ModestWindow *
 858 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 859 {
 860         ModestHildon2WindowMgrPrivate *priv;
 861         GList *window;
 862
 863         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 864
 865         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 866
 867         window = g_list_find_custom (priv->window_list,
 868                                      NULL,
 869                                      find_folder_window);
 870
 871         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 872 }
 873
 874 static gboolean
 875 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 876 {
 877         ModestHildon2WindowMgrPrivate *priv = NULL;
 878
 879         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 880
 881         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 882
 883         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 884 }
 885
 886 static void
 887 osso_display_event_cb (osso_display_state_t state,
 888                        gpointer data)
 889 {
 890         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 891
 892         priv->display_state = state;
 893
 894         /* Stop blinking if the screen becomes on */
 895         if (priv->display_state == OSSO_DISPLAY_ON)
 896                 modest_platform_remove_new_mail_notifications (TRUE);
 897 }
 898