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 "modest-hildon2-window-mgr.h"
  32 #include "modest-msg-edit-window.h"
  33 #include "modest-main-window.h"
  34 #include "modest-conf.h"
  35 #include "modest-defs.h"
  36 #include "modest-signal-mgr.h"
  37 #include "modest-runtime.h"
  38 #include "modest-platform.h"
  39 #include "modest-ui-actions.h"
  40 #include "modest-debug.h"
  41 #include "modest-tny-folder.h"
  42 #include <hildon/hildon.h>
  43
  44 /* 'private'/'protected' functions */
  45 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  46 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  47 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  48
  49 static gboolean on_window_destroy        (ModestWindow *window,
  50                                           GdkEvent *event,
  51                                           ModestHildon2WindowMgr *self);
  52
  53 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  54                                                            ModestWindow *window,
  55                                                            ModestWindow *parent);
  56 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  57                                                          ModestWindow *window);
  58 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  59                                                            gboolean on);
  60 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  61 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  62                                                      GType window_type,
  63                                                      gboolean show_toolbars,
  64                                                      gboolean fullscreen);
  65 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  66 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  67 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  68                                                  GtkWindow *window,
  69                                                  GtkWindow *parent);
  70 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  71                                                                   TnyHeader *header,
  72                                                                   ModestWindow **win);
  73 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  74 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  75 static gboolean window_can_close (ModestWindow *window);
  76 static gboolean window_has_modals (ModestWindow *window);
  77
  78 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  79 struct _ModestHildon2WindowMgrPrivate {
  80         GList        *window_list;
  81         GMutex       *queue_lock;
  82         GQueue       *modal_windows;
  83
  84         gboolean     fullscreen_mode;
  85
  86         GHashTable   *destroy_handlers;
  87         GHashTable   *viewer_handlers;
  88         GSList       *window_state_uids;
  89
  90         guint        closing_time;
  91
  92         GSList       *modal_handler_uids;
  93         ModestWindow *current_top;
  94 };
  95 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  96                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
  97                                                                                    ModestHildon2WindowMgrPrivate))
  98 /* globals */
  99 static GObjectClass *parent_class = NULL;
 100
 101 GType
 102 modest_hildon2_window_mgr_get_type (void)
 103 {
 104         static GType my_type = 0;
 105         if (!my_type) {
 106                 static const GTypeInfo my_info = {
 107                         sizeof(ModestHildon2WindowMgrClass),
 108                         NULL,           /* base init */
 109                         NULL,           /* base finalize */
 110                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 111                         NULL,           /* class finalize */
 112                         NULL,           /* class data */
 113                         sizeof(ModestHildon2WindowMgr),
 114                         1,              /* n_preallocs */
 115                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 116                         NULL
 117                 };
 118                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 119                                                   "ModestHildon2WindowMgr",
 120                                                   &my_info, 0);
 121         }
 122         return my_type;
 123 }
 124
 125 static void
 126 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 127 {
 128         GObjectClass *gobject_class;
 129         ModestWindowMgrClass *mgr_class;
 130
 131         gobject_class = (GObjectClass*) klass;
 132         mgr_class = (ModestWindowMgrClass *) klass;
 133
 134         parent_class            = g_type_class_peek_parent (klass);
 135         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 136         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 137         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 138         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 139         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 140         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 141         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 142         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 143         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 144         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 145         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 146         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 147
 148         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 149
 150 }
 151
 152 static void
 153 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 154 {
 155         ModestHildon2WindowMgrPrivate *priv;
 156
 157         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 158         priv->window_list = NULL;
 159         priv->fullscreen_mode = FALSE;
 160         priv->current_top = NULL;
 161         priv->window_state_uids = NULL;
 162
 163         priv->modal_windows = g_queue_new ();
 164         priv->queue_lock = g_mutex_new ();
 165
 166         /* Could not initialize it from gconf, singletons are not
 167            ready yet */
 168         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 169         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 170
 171         priv->closing_time = 0;
 172
 173         priv->modal_handler_uids = NULL;
 174 }
 175
 176 static void
 177 modest_hildon2_window_mgr_finalize (GObject *obj)
 178 {
 179         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 180
 181         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 182         priv->window_state_uids = NULL;
 183
 184         if (priv->window_list) {
 185                 GList *iter = priv->window_list;
 186                 /* unregister pending windows */
 187                 while (iter) {
 188                         ModestWindow *window = (ModestWindow *) iter->data;
 189                         iter = g_list_next (iter);
 190                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 191                 }
 192                 g_list_free (priv->window_list);
 193                 priv->window_list = NULL;
 194         }
 195
 196         /* Free the hash table with the handlers */
 197         if (priv->destroy_handlers) {
 198                 g_hash_table_destroy (priv->destroy_handlers);
 199                 priv->destroy_handlers = NULL;
 200         }
 201
 202         if (priv->viewer_handlers) {
 203                 g_hash_table_destroy (priv->viewer_handlers);
 204                 priv->viewer_handlers = NULL;
 205         }
 206
 207         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 208         priv->modal_handler_uids = NULL;
 209
 210         if (priv->modal_windows) {
 211                 g_mutex_lock (priv->queue_lock);
 212                 g_queue_free (priv->modal_windows);
 213                 priv->modal_windows = NULL;
 214                 g_mutex_unlock (priv->queue_lock);
 215         }
 216         g_mutex_free (priv->queue_lock);
 217
 218         /* Do not unref priv->main_window because it does not hold a
 219            new reference */
 220
 221
 222         G_OBJECT_CLASS(parent_class)->finalize (obj);
 223 }
 224
 225 ModestWindowMgr*
 226 modest_hildon2_window_mgr_new (void)
 227 {
 228         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 229 }
 230
 231 static gboolean
 232 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 233 {
 234         gboolean ret_value = FALSE;
 235         GtkWidget *window;
 236         gboolean failed = FALSE;
 237         HildonWindowStack *stack;
 238
 239         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 240
 241         stack = hildon_window_stack_get_default ();
 242
 243         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 244                 g_signal_emit_by_name (window, "delete-event", NULL, &ret_value);
 245                 if (ret_value == TRUE) {
 246                         failed = TRUE;
 247                         break;
 248                 }
 249         }
 250
 251         return !failed;
 252 }
 253
 254 static gint
 255 compare_msguids (ModestWindow *win,
 256                  const gchar *uid)
 257 {
 258         const gchar *msg_uid;
 259
 260         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 261                 return 1;
 262
 263         /* Get message uid from msg window */
 264         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 265                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 266                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 267                         return 0;
 268         } else {
 269                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 270         }
 271
 272         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 273                 return 0;
 274         else
 275                 return 1;
 276 }
 277
 278 static gboolean
 279 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 280                                                   ModestWindow **win)
 281 {
 282         ModestHildon2WindowMgrPrivate *priv = NULL;
 283         gchar* uid = NULL;
 284         gboolean has_header, has_window = FALSE;
 285         GList *item = NULL;
 286
 287         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 288         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 289
 290         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 291
 292         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 293
 294         uid = modest_tny_folder_get_header_unique_id (header);
 295
 296         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 297         if (item) {
 298                 has_window = TRUE;
 299                 if (win) {
 300                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 301                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 302                                 g_debug ("not a valid window!");
 303                         else {
 304                                 g_debug ("found a window");
 305                                 *win = MODEST_WINDOW (item->data);
 306                         }
 307                 }
 308         }
 309         g_free (uid);
 310
 311         return has_header || has_window;
 312 }
 313
 314 static GList *
 315 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 316 {
 317         ModestHildon2WindowMgrPrivate *priv;
 318
 319         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 320         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 321
 322         return g_list_copy (priv->window_list);
 323 }
 324
 325 static gboolean
 326 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 327                                            ModestWindow *window,
 328                                            ModestWindow *parent)
 329 {
 330         GList *win;
 331         ModestHildon2WindowMgrPrivate *priv;
 332         gint *handler_id;
 333         ModestWindow *main_window;
 334         HildonProgram *program;
 335         GtkWidget *current_top;
 336         HildonWindowStack *stack;
 337
 338         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 339         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 340
 341         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 342
 343         program = hildon_program_get_instance ();
 344         win = g_list_find (priv->window_list, window);
 345         if (win) {
 346                 /* this is for the case we want to register the window and it was already
 347                  * registered. We leave silently, telling the operation was succesful.
 348                  */
 349                 gtk_window_present (GTK_WINDOW (win));
 350                 return TRUE;
 351         }
 352
 353         stack = hildon_window_stack_get_default ();
 354
 355         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 356                 goto fail;
 357
 358         /* Add to list. Keep a reference to the window */
 359         g_object_ref (window);
 360         priv->window_list = g_list_prepend (priv->window_list, window);
 361
 362         current_top = hildon_window_stack_peek (stack);
 363
 364         /* TODO: rethink this method it will be different depending on
 365            the type of the window that we're registering */
 366         if (!parent || ((GtkWidget *) parent != current_top)) {
 367                 guint num_windows = hildon_window_stack_size (stack);
 368
 369                 /* We have to close all windows with the exception of the root window */
 370                 if (num_windows > 1)
 371                         hildon_window_stack_pop (stack, num_windows - 1, NULL);
 372
 373                 /* We remove 1 because we added it before */
 374                 if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) - 1> 1) {
 375                         /* Then we couldn't close one of the preceding windows, so we have to stop the
 376                          * window register process and fail.
 377                          */
 378                         goto fail;
 379                 }
 380
 381                 if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
 382                         gboolean retval;
 383                         g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 384                         if (retval == TRUE) {
 385                                 /* Cancelled closing top window, then we fail to register */
 386                                 goto fail;
 387                         }
 388                         current_top = hildon_window_stack_peek (stack);
 389                 }
 390                 if ((current_top != NULL) && !MODEST_IS_MAIN_WINDOW (current_top)) {
 391                         /* Closing the stacked windows failed, then we shouldn't show the
 392                            new window */
 393                         goto fail;
 394                 }
 395                 if ((current_top != NULL) &&
 396                     window_has_modals (MODEST_WINDOW (current_top))) {
 397                         /* Window on top but it has opened dialogs */
 398                         goto fail;
 399                 }
 400         }
 401
 402         /* Listen to object destruction */
 403         handler_id = g_malloc0 (sizeof (gint));
 404         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 405         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 406
 407         main_window = modest_window_mgr_get_main_window (self, FALSE);
 408         /* If there is a msg view window, let the main window listen the msg-changed signal */
 409         if (MODEST_IS_MSG_VIEW_WINDOW(window) && main_window) {
 410                 gulong *handler;
 411                 handler = g_malloc0 (sizeof (gulong));
 412                 *handler = g_signal_connect (window, "msg-changed",
 413                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 414                                              main_window);
 415                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 416         }
 417
 418         /* Show toolbar always */
 419         modest_window_show_toolbar (window, TRUE);
 420
 421         return TRUE;
 422 fail:
 423         /* Add to list. Keep a reference to the window */
 424         priv->window_list = g_list_remove (priv->window_list, window);
 425         g_object_unref (window);
 426
 427         current_top = hildon_window_stack_peek (stack);
 428         if (current_top)
 429                 gtk_window_present (GTK_WINDOW (current_top));
 430         return FALSE;
 431 }
 432
 433 static void
 434 cancel_window_operations (ModestWindow *window)
 435 {
 436         GSList* pending_ops = NULL;
 437
 438         /* cancel open and receive operations */
 439         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 440                                                                  G_OBJECT (window));
 441         while (pending_ops != NULL) {
 442                 ModestMailOperationTypeOperation type;
 443                 GSList* tmp_list = NULL;
 444
 445                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 446                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 447                         modest_mail_operation_cancel (pending_ops->data);
 448                 }
 449                 g_object_unref (G_OBJECT (pending_ops->data));
 450                 tmp_list = pending_ops;
 451                 pending_ops = g_slist_next (pending_ops);
 452                 g_slist_free_1 (tmp_list);
 453         }
 454 }
 455
 456 static gboolean
 457 window_has_modals (ModestWindow *window)
 458 {
 459         GList *toplevels;
 460         GList *node;
 461         gboolean retvalue = FALSE;
 462
 463         /* First we fetch all toplevels */
 464         toplevels = gtk_window_list_toplevels ();
 465         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 466                 if (GTK_IS_WINDOW (node->data) &&
 467                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window)) {
 468                         retvalue = TRUE;
 469                         break;
 470                 }
 471         }
 472         g_list_free (toplevels);
 473         return retvalue;
 474 }
 475
 476 static gboolean
 477 window_can_close (ModestWindow *window)
 478 {
 479         /* An editor can be always closed no matter the dialogs it has
 480          * on top. */
 481         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 482                 return TRUE;
 483
 484         return !window_has_modals (window);
 485 }
 486
 487 static gboolean
 488 on_window_destroy (ModestWindow *window,
 489                    GdkEvent *event,
 490                    ModestHildon2WindowMgr *self)
 491 {
 492         gboolean no_propagate = FALSE;
 493
 494         if (!window_can_close (window)) {
 495                 return TRUE;
 496         }
 497         /* Specific stuff first */
 498         if (MODEST_IS_MAIN_WINDOW (window)) {
 499                 ModestHildon2WindowMgrPrivate *priv;
 500                 ModestMainWindowContentsStyle style;
 501                 priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 502
 503                 /* If we're on header view, then just go to folder view and don't close */
 504                 style = modest_main_window_get_contents_style (MODEST_MAIN_WINDOW (window));
 505                 if (style == MODEST_MAIN_WINDOW_CONTENTS_STYLE_HEADERS) {
 506                         modest_main_window_set_contents_style (MODEST_MAIN_WINDOW (window),
 507                                                                MODEST_MAIN_WINDOW_CONTENTS_STYLE_FOLDERS);
 508                         return TRUE;
 509                 }
 510
 511                 /* Do not unregister it, just hide */
 512                 gtk_widget_hide_all (GTK_WIDGET (window));
 513
 514                 /* Cancel pending operations */
 515                 cancel_window_operations (window);
 516
 517                 /* Fake the window system, make it think that there is no window */
 518                 if (modest_window_mgr_num_windows (MODEST_WINDOW_MGR (self)) == 0)
 519                         g_signal_emit_by_name (self, "window-list-empty");
 520
 521                 no_propagate = TRUE;
 522         }
 523         else {
 524                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 525                         gboolean sent = FALSE;
 526                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 527                         /* Save currently edited message to Drafts if it was not sent */
 528                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 529
 530                           if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 531                                   return TRUE;
 532                         }
 533                 }
 534                 /* Unregister window */
 535                 modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 536                 no_propagate = FALSE;
 537         }
 538
 539         return no_propagate;
 540 }
 541
 542 static void
 543 disconnect_msg_changed (gpointer key,
 544                         gpointer value,
 545                         gpointer user_data)
 546 {
 547         guint handler_id;
 548         handler_id = GPOINTER_TO_UINT(value);
 549
 550         if (key && G_IS_OBJECT(key))
 551                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 552 }
 553
 554 static void
 555 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 556                                              ModestWindow *window)
 557 {
 558         GList *win;
 559         ModestHildon2WindowMgrPrivate *priv;
 560         gulong *tmp, handler_id;
 561
 562         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 563         g_return_if_fail (MODEST_IS_WINDOW (window));
 564
 565         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 566
 567         win = g_list_find (priv->window_list, window);
 568         if (!win) {
 569                 g_warning ("Trying to unregister a window that has not being registered yet");
 570                 return;
 571         }
 572
 573         /* If it's the main window unset it */
 574         if (MODEST_IS_MAIN_WINDOW (window)) {
 575                 modest_window_mgr_set_main_window (self, NULL);
 576
 577                 /* Disconnect all emissions of msg-changed */
 578                 if (priv->viewer_handlers) {
 579                         g_hash_table_foreach (priv->viewer_handlers,
 580                                               disconnect_msg_changed,
 581                                               NULL);
 582                         g_hash_table_destroy (priv->viewer_handlers);
 583                         priv->viewer_handlers = NULL;
 584                 }
 585         }
 586
 587         /* Remove the viewer window handler from the hash table. The
 588            HashTable could not exist if the main window was closed
 589            when there were other windows remaining */
 590         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 591                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 592                 /* If the viewer was created without a main window
 593                    (for example when opening a message through D-Bus
 594                    the viewer handlers was not registered */
 595                 if (tmp) {
 596                         g_signal_handler_disconnect (window, *tmp);
 597                         g_hash_table_remove (priv->viewer_handlers, window);
 598                 }
 599         }
 600
 601         /* Remove from list & hash table */
 602         priv->window_list = g_list_remove_link (priv->window_list, win);
 603         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 604         handler_id = *tmp;
 605
 606         g_hash_table_remove (priv->destroy_handlers, window);
 607
 608         /* cancel open and receive operations */
 609         cancel_window_operations (window);
 610
 611         /* Check if it's the topmost window, and remove the window from the stack.
 612          * This is needed for the cases there's no other topmost window that will
 613          * replace it in topmost handler.
 614          */
 615          if (window == priv->current_top)
 616                  priv->current_top = NULL;
 617
 618         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 619         if (priv->window_state_uids) {
 620 #ifndef MODEST_TOOLKIT_GTK
 621                 priv->window_state_uids =
 622                         modest_signal_mgr_disconnect (priv->window_state_uids,
 623                                                       G_OBJECT (window),
 624                                                       "notify::is-topmost");
 625 #else
 626                 priv->window_state_uids =
 627                         modest_signal_mgr_disconnect (priv->window_state_uids,
 628                                                       G_OBJECT (window),
 629                                                       "window-state-event");
 630 #endif
 631         }
 632
 633         /* Disconnect the "delete-event" handler, we won't need it anymore */
 634         g_signal_handler_disconnect (window, handler_id);
 635
 636         /* Destroy the window */
 637         g_object_unref (win->data);
 638         g_list_free (win);
 639
 640         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 641
 642         /* If there are no more windows registered emit the signal */
 643         if (modest_window_mgr_num_windows (self) == 0)
 644                 g_signal_emit_by_name (self, "window-list-empty");
 645 }
 646
 647
 648
 649 static void
 650 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 651                                                gboolean on)
 652 {
 653         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 654
 655         return;
 656 }
 657
 658 static gboolean
 659 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 660 {
 661         return FALSE;
 662 }
 663
 664 static void
 665 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 666                                          GType window_type,
 667                                          gboolean show_toolbars,
 668                                          gboolean fullscreen)
 669 {
 670         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 671
 672         return;
 673 }
 674
 675 static ModestWindow*
 676 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 677 {
 678         ModestHildon2WindowMgrPrivate *priv;
 679         ModestWindow *result;
 680
 681         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 682         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 683
 684         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 685         /* create the main window, if it hasn't been created yet */
 686         if (!result && show) {
 687                 /* modest_window_mgr_register_window will set priv->main_window */
 688                 result = modest_main_window_new ();
 689                 /* We have to remove all other windows */
 690                 if (!modest_window_mgr_close_all_windows (self)) {
 691                         gtk_widget_destroy (GTK_WIDGET (result));
 692                         return NULL;
 693                 }
 694                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 695                         gtk_widget_destroy (GTK_WIDGET (result));
 696                         return NULL;
 697                 }
 698                 MODEST_DEBUG_BLOCK(
 699                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 700                 );
 701         }
 702         if (show) {
 703                 gtk_widget_show_all (GTK_WIDGET (result));
 704                 gtk_window_present (GTK_WINDOW (result));
 705         }
 706
 707         return result;
 708 }
 709
 710
 711 static GtkWindow *
 712 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 713 {
 714         ModestHildon2WindowMgrPrivate *priv;
 715         GList *toplevel_list;
 716         GtkWidget *toplevel;
 717
 718         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 719         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 720
 721         toplevel = NULL;
 722         toplevel_list = gtk_window_list_toplevels ();
 723         while (toplevel_list) {
 724                 if (gtk_window_is_active (toplevel_list->data)) {
 725                         toplevel = toplevel_list->data;
 726                         break;
 727                 }
 728                 toplevel_list = g_list_next (toplevel_list);
 729         }
 730
 731         return NULL;
 732 }
 733
 734
 735 static void
 736 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 737                                      GtkWindow *window,
 738                                      GtkWindow *parent)
 739 {
 740         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 741         g_return_if_fail (GTK_IS_WINDOW (window));
 742
 743         gtk_window_set_modal (window, TRUE);
 744         gtk_window_set_transient_for (window, parent);
 745         gtk_window_set_destroy_with_parent (window, TRUE);
 746 }
 747