git.maemo.org Git - modest/blob - src/widgets/modest-window-mgr.c

   1 /* Copyright (c) 2006,2007 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-window-mgr.h"
  32 #include "modest-runtime.h"
  33 #include "modest-tny-folder.h"
  34 #include "modest-ui-actions.h"
  35 #include "modest-platform.h"
  36 #include "widgets/modest-main-window.h"
  37 #include "widgets/modest-msg-edit-window.h"
  38 #include "widgets/modest-msg-view-window.h"
  39
  40
  41 /* 'private'/'protected' functions */
  42 static void modest_window_mgr_class_init (ModestWindowMgrClass *klass);
  43 static void modest_window_mgr_init       (ModestWindowMgr *obj);
  44 static void modest_window_mgr_finalize   (GObject *obj);
  45
  46 static gboolean on_window_destroy        (ModestWindow *window,
  47                                           GdkEvent *event,
  48                                           ModestWindowMgr *self);
  49
  50 static const gchar* get_show_toolbar_key (GType window_type,
  51                                           gboolean fullscreen);
  52
  53 /* list my signals  */
  54 enum {
  55         /* MY_SIGNAL_1, */
  56         /* MY_SIGNAL_2, */
  57         LAST_SIGNAL
  58 };
  59
  60 typedef struct _ModestWindowMgrPrivate ModestWindowMgrPrivate;
  61 struct _ModestWindowMgrPrivate {
  62         GList        *window_list;
  63
  64         ModestWindow *main_window;
  65         GtkDialog    *easysetup_dialog;
  66
  67         gboolean     fullscreen_mode;
  68
  69         GSList       *windows_that_prevent_hibernation;
  70         GSList       *preregistered_uids;
  71         GHashTable   *destroy_handlers;
  72         GHashTable   *viewer_handlers;
  73
  74         guint        closing_time;
  75 };
  76 #define MODEST_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  77                                                MODEST_TYPE_WINDOW_MGR, \
  78                                                ModestWindowMgrPrivate))
  79 /* globals */
  80 static GObjectClass *parent_class = NULL;
  81
  82 /* uncomment the following if you have defined any signals */
  83 /* static guint signals[LAST_SIGNAL] = {0}; */
  84
  85 GType
  86 modest_window_mgr_get_type (void)
  87 {
  88         static GType my_type = 0;
  89         if (!my_type) {
  90                 static const GTypeInfo my_info = {
  91                         sizeof(ModestWindowMgrClass),
  92                         NULL,           /* base init */
  93                         NULL,           /* base finalize */
  94                         (GClassInitFunc) modest_window_mgr_class_init,
  95                         NULL,           /* class finalize */
  96                         NULL,           /* class data */
  97                         sizeof(ModestWindowMgr),
  98                         1,              /* n_preallocs */
  99                         (GInstanceInitFunc) modest_window_mgr_init,
 100                         NULL
 101                 };
 102                 my_type = g_type_register_static (G_TYPE_OBJECT,
 103                                                   "ModestWindowMgr",
 104                                                   &my_info, 0);
 105         }
 106         return my_type;
 107 }
 108
 109 static void
 110 modest_window_mgr_class_init (ModestWindowMgrClass *klass)
 111 {
 112         GObjectClass *gobject_class;
 113         gobject_class = (GObjectClass*) klass;
 114
 115         parent_class            = g_type_class_peek_parent (klass);
 116         gobject_class->finalize = modest_window_mgr_finalize;
 117
 118         g_type_class_add_private (gobject_class, sizeof(ModestWindowMgrPrivate));
 119 }
 120
 121 static void
 122 modest_window_mgr_init (ModestWindowMgr *obj)
 123 {
 124         ModestWindowMgrPrivate *priv;
 125
 126         priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 127         priv->window_list = NULL;
 128         priv->main_window = NULL;
 129         priv->fullscreen_mode = FALSE;
 130         priv->easysetup_dialog = NULL;
 131
 132         priv->preregistered_uids = NULL;
 133
 134         /* Could not initialize it from gconf, singletons are not
 135            ready yet */
 136         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 137         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 138
 139         priv->closing_time = 0;
 140 }
 141
 142 static void
 143 modest_window_mgr_finalize (GObject *obj)
 144 {
 145         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 146
 147         if (priv->window_list) {
 148                 GList *iter = priv->window_list;
 149                 /* unregister pending windows */
 150                 while (iter) {
 151                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj),
 152                                                              MODEST_WINDOW (iter->data));
 153                         iter = g_list_next (iter);
 154                 }
 155                 g_list_free (priv->window_list);
 156                 priv->window_list = NULL;
 157         }
 158
 159         g_slist_foreach (priv->preregistered_uids, (GFunc)g_free, NULL);
 160         g_slist_free (priv->preregistered_uids);
 161
 162
 163         /* Free the hash table with the handlers */
 164         if (priv->destroy_handlers) {
 165                 g_hash_table_destroy (priv->destroy_handlers);
 166                 priv->destroy_handlers = NULL;
 167         }
 168
 169         if (priv->viewer_handlers) {
 170                 g_hash_table_destroy (priv->viewer_handlers);
 171                 priv->viewer_handlers = NULL;
 172         }
 173
 174         if (priv->easysetup_dialog) {
 175                 g_warning ("%s: forgot to destroy an easysetup dialog somewhere",
 176                            __FUNCTION__);
 177                 gtk_widget_destroy (GTK_WIDGET(priv->easysetup_dialog));
 178                 priv->easysetup_dialog = NULL;
 179         }
 180
 181         /* Do not unref priv->main_window because it does not hold a
 182            new reference */
 183
 184
 185         G_OBJECT_CLASS(parent_class)->finalize (obj);
 186 }
 187
 188 ModestWindowMgr*
 189 modest_window_mgr_new (void)
 190 {
 191         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_WINDOW_MGR, NULL));
 192 }
 193
 194
 195
 196
 197 /* do we have uid? */
 198 static gboolean
 199 has_uid (GSList *list, const gchar *uid)
 200 {
 201         GSList *cursor = list;
 202
 203         if (!uid)
 204                 return FALSE;
 205
 206         while (cursor) {
 207                 if (cursor->data && strcmp (cursor->data, uid) == 0)
 208                         return TRUE;
 209                 cursor = g_slist_next (cursor);
 210         }
 211         return FALSE;
 212 }
 213
 214
 215 /* remove all from the list have have uid = uid */
 216 static GSList*
 217 remove_uid (GSList *list, const gchar *uid)
 218 {
 219         GSList *cursor = list, *start = list;
 220
 221         if (!uid)
 222                 return FALSE;
 223
 224         while (cursor) {
 225                 GSList *next = g_slist_next (cursor);
 226                 if (cursor->data && strcmp (cursor->data, uid) == 0) {
 227                         g_free (cursor->data);
 228                         start = g_slist_delete_link (start, cursor);
 229                 }
 230                 cursor = next;
 231         }
 232         return start;
 233 }
 234
 235
 236 static GSList *
 237 append_uid (GSList *list, const gchar *uid)
 238 {
 239         return g_slist_append (list, g_strdup(uid));
 240 }
 241
 242
 243
 244 void
 245 modest_window_mgr_register_header (ModestWindowMgr *self,  TnyHeader *header)
 246 {
 247         ModestWindowMgrPrivate *priv;
 248         gchar* uid;
 249
 250         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 251         g_return_if_fail (TNY_IS_HEADER(header));
 252
 253         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 254         uid = modest_tny_folder_get_header_unique_id (header);
 255
 256
 257         if (!has_uid (priv->preregistered_uids, uid)) {
 258                 g_debug ("registering new uid %s", uid);
 259                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 260         } else
 261                 g_debug ("already had uid %s", uid);
 262
 263         g_free (uid);
 264 }
 265
 266 void
 267 modest_window_mgr_unregister_header (ModestWindowMgr *self,  TnyHeader *header)
 268 {
 269         ModestWindowMgrPrivate *priv;
 270         gchar* uid;
 271
 272         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 273         g_return_if_fail (TNY_IS_HEADER(header));
 274
 275         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 276         uid = modest_tny_folder_get_header_unique_id (header);
 277
 278         if (!has_uid (priv->preregistered_uids, uid)) {
 279                 g_debug ("trying to unregister non-existing uid %s", uid);
 280                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 281         } else
 282                 g_debug ("unregistering uid %s", uid);
 283
 284         if (has_uid (priv->preregistered_uids, uid)) {
 285                 priv->preregistered_uids = remove_uid (priv->preregistered_uids, uid);
 286                 if (has_uid (priv->preregistered_uids, uid))
 287                         g_debug ("BUG: uid %s NOT removed", uid);
 288                 else
 289                         g_debug ("uid %s removed", uid);
 290         }
 291
 292         g_free (uid);
 293 }
 294
 295 static gint
 296 compare_msguids (ModestWindow *win,
 297                  const gchar *uid)
 298 {
 299         const gchar *msg_uid;
 300
 301         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 302                 return 1;
 303
 304         /* Get message uid from msg window */
 305         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 306                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 307                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 308                         return 0;
 309         } else {
 310                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 311         }
 312
 313         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 314                 return 0;
 315         else
 316                 return 1;
 317 }
 318
 319
 320 void
 321 modest_window_mgr_close_all_windows (ModestWindowMgr *self)
 322 {
 323         ModestWindowMgrPrivate *priv = NULL;
 324         GList *wins = NULL;
 325         gboolean ret_value = FALSE;
 326
 327         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 328         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 329
 330         /* delete-event handler already removes window_list item, */
 331         /* so no next its required on this loop  */
 332         wins = priv->window_list;
 333         while (wins) {
 334                 g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 335
 336                 wins = priv->window_list;
 337         }
 338 }
 339
 340
 341 gboolean
 342 modest_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 343                                           ModestWindow **win)
 344 {
 345         ModestWindowMgrPrivate *priv = NULL;
 346         gchar* uid = NULL;
 347         gboolean has_header, has_window = FALSE;
 348         GList *item = NULL;
 349
 350         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 351         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 352
 353         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 354
 355         uid = modest_tny_folder_get_header_unique_id (header);
 356
 357         if (win)
 358                 *win = NULL;
 359
 360         has_header = has_uid (priv->preregistered_uids, uid);
 361
 362         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 363         if (item) {
 364                 has_window = TRUE;
 365                 if (win) {
 366                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 367                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 368                                 g_debug ("not a valid window!");
 369                         else {
 370                                 g_debug ("found a window");
 371                                 *win = MODEST_WINDOW (item->data);
 372                         }
 373                 }
 374         }
 375
 376         g_free (uid);
 377         return has_header || has_window;
 378 }
 379
 380 static const gchar *
 381 get_show_toolbar_key (GType window_type,
 382                       gboolean fullscreen)
 383 {
 384         const gchar *key = NULL;
 385
 386         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 387                 key = (fullscreen) ?
 388                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 389                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 390         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 391                 key = (fullscreen) ?
 392                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 393                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 394         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 395                 key = (fullscreen) ?
 396                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 397                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 398         else
 399                 g_return_val_if_reached (NULL);
 400
 401         return key;
 402 }
 403
 404 void
 405 modest_window_mgr_register_window (ModestWindowMgr *self,
 406                                    ModestWindow *window)
 407 {
 408         GList *win;
 409         ModestWindowMgrPrivate *priv;
 410         gint *handler_id;
 411         const gchar *key;
 412
 413         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 414         g_return_if_fail (GTK_IS_WINDOW (window));
 415
 416         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 417
 418         win = g_list_find (priv->window_list, window);
 419         if (win) {
 420                 g_warning ("%s: trying to re-register a window",
 421                            __FUNCTION__);
 422                 return;
 423         }
 424
 425         /* Check that it's not a second main window */
 426         if (MODEST_IS_MAIN_WINDOW (window)) {
 427                 if (priv->main_window) {
 428                         g_warning ("%s: trying to register a second main window",
 429                                    __FUNCTION__);
 430                         return;
 431                 } else {
 432                         priv->main_window = window;
 433                 }
 434         }
 435
 436         /* remove from the list of pre-registered uids */
 437         if (MODEST_IS_MSG_VIEW_WINDOW(window)) {
 438                 const gchar *uid = modest_msg_view_window_get_message_uid
 439                         (MODEST_MSG_VIEW_WINDOW (window));
 440
 441                 if (!has_uid (priv->preregistered_uids, uid))
 442                         g_debug ("weird: no uid for window (%s)", uid);
 443
 444                 g_debug ("registering window for %s", uid ? uid : "<none>");
 445
 446                 priv->preregistered_uids =
 447                         remove_uid (priv->preregistered_uids,
 448                                     modest_msg_view_window_get_message_uid
 449                                     (MODEST_MSG_VIEW_WINDOW (window)));
 450
 451         } else if (MODEST_IS_MSG_EDIT_WINDOW(window)) {
 452                 const gchar *uid = modest_msg_edit_window_get_message_uid
 453                         (MODEST_MSG_EDIT_WINDOW (window));
 454
 455                 g_debug ("registering window for %s", uid);
 456
 457                 priv->preregistered_uids =
 458                         remove_uid (priv->preregistered_uids,
 459                                     modest_msg_edit_window_get_message_uid
 460                                     (MODEST_MSG_EDIT_WINDOW (window)));
 461         }
 462
 463         /* Add to list. Keep a reference to the window */
 464         g_object_ref (window);
 465         priv->window_list = g_list_prepend (priv->window_list, window);
 466
 467         /* Listen to object destruction */
 468         handler_id = g_malloc0 (sizeof (gint));
 469         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 470         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 471
 472         /* If there is a msg view window, let the main window listen the msg-changed signal */
 473         if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
 474                 gulong *handler;
 475                 handler = g_malloc0 (sizeof (gulong));
 476                 *handler = g_signal_connect (window, "msg-changed",
 477                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 478                                              priv->main_window);
 479                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 480         }
 481
 482         /* Put into fullscreen if needed */
 483         if (priv->fullscreen_mode)
 484                 gtk_window_fullscreen (GTK_WINDOW (window));
 485
 486         /* Show/hide toolbar & fullscreen */
 487         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 488         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 489 }
 490
 491 static gboolean
 492 on_window_destroy (ModestWindow *window,
 493                    GdkEvent *event,
 494                    ModestWindowMgr *self)
 495 {
 496         /* Specific stuff first */
 497         if (MODEST_IS_MAIN_WINDOW (window)) {
 498                 ModestWindowMgrPrivate *priv;
 499                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 500
 501                 /* If more than one window already opened */
 502                 if (g_list_length (priv->window_list) > 1) {
 503
 504                         /* If the user wants to close all the windows */
 505                         if (modest_main_window_close_all (MODEST_MAIN_WINDOW (window))) {
 506                                 GList *iter = priv->window_list;
 507                                 do {
 508                                         if (iter->data != window) {
 509                                                 GList *tmp = iter->next;
 510                                                 on_window_destroy (MODEST_WINDOW (iter->data),
 511                                                                    event,
 512                                                                    self);
 513                                                 iter = tmp;
 514                                         } else {
 515                                                 iter = g_list_next (iter);
 516                                         }
 517                                 } while (iter);
 518                         }
 519                 }
 520         }
 521         else {
 522                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 523                         gboolean sent = FALSE;
 524                         gint response = GTK_RESPONSE_ACCEPT;
 525                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 526                         /* Save currently edited message to Drafts if it was not sent */
 527                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 528
 529                                 response =
 530                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 531                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 532                                 /* Save to drafts */
 533                                 if (response != GTK_RESPONSE_CANCEL)
 534                                         modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window));
 535
 536                         }
 537                 }
 538         }
 539
 540         /* Save configuration state (TODO: why edit window does not require this function ?) */
 541         if (!MODEST_IS_MSG_EDIT_WINDOW (window))
 542                 modest_window_save_state (MODEST_WINDOW(window));
 543
 544
 545         /* Unregister window */
 546         modest_window_mgr_unregister_window (self, window);
 547
 548         return FALSE;
 549 }
 550
 551 static void
 552 disconnect_msg_changed (gpointer key,
 553                         gpointer value,
 554                         gpointer user_data)
 555 {
 556         gulong *handler_id;
 557
 558         handler_id = (gulong *) value;
 559         g_signal_handler_disconnect (G_OBJECT (key), *handler_id);
 560 }
 561
 562
 563
 564 /* interval before retrying to close the application */
 565 #define CLOSING_RETRY_INTERVAL 3000
 566 /* interval before cancel whatever is left in the queue, and closing anyway */
 567 #define MAX_WAIT_FOR_CLOSING 30 * 1000
 568
 569 static gboolean
 570 on_quit_maybe (ModestWindowMgr *self)
 571 {
 572         ModestWindowMgrPrivate *priv;
 573         guint queue_num;
 574
 575         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 576
 577         /* it seems, in the meantime some windows were
 578          * created. in that case, stop  'on_quit_maybe' */
 579         if (priv->window_list) {
 580                 priv->closing_time = 0;
 581                 return FALSE;
 582         }
 583
 584         if (priv->closing_time >= MAX_WAIT_FOR_CLOSING) {
 585                 /* we waited long enough: cancel all remaining operations */
 586                 g_debug ("%s: we waited long enough (%ds), cancelling queue and quiting",
 587                          __FUNCTION__, priv->closing_time/1000);
 588                 /* FIXME: below gives me a lot of:
 589                  * GLIB CRITICAL ** default - modest_mail_operation_cancel:
 590                  *                     assertion `priv->account' failed
 591                  * which means there is no account for the given operation
 592                  * so, we're not trying to be nice, we're just quiting.
 593                  */
 594                 //modest_mail_operation_queue_cancel_all
 595                 //      (modest_runtime_get_mail_operation_queue());
 596         } else {
 597
 598                 /* if there is anything left in our operation queue,
 599                  * wait another round
 600                  */
 601                 queue_num = modest_mail_operation_queue_num_elements
 602                         (modest_runtime_get_mail_operation_queue());
 603                 if  (queue_num > 0) {
 604                         g_debug ("%s: waiting, there are still %d operation(s) queued",
 605                                  __FUNCTION__, queue_num);
 606                         priv->closing_time += CLOSING_RETRY_INTERVAL;
 607                         return TRUE;
 608                 }
 609         }
 610
 611         /* so: no windows left, nothing in the queue: quit */
 612         priv->closing_time = 0;
 613         gtk_main_quit ();
 614         return FALSE;
 615 }
 616
 617
 618 void
 619 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 620                                      ModestWindow *window)
 621 {
 622         GList *win;
 623         ModestWindowMgrPrivate *priv;
 624         gulong *tmp, handler_id;
 625
 626         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 627         g_return_if_fail (MODEST_IS_WINDOW (window));
 628
 629         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 630
 631         win = g_list_find (priv->window_list, window);
 632         if (!win) {
 633                 g_warning ("Trying to unregister a window that has not being registered yet");
 634                 return;
 635         }
 636
 637         /* If it's the main window unset it */
 638         if (priv->main_window == window) {
 639                 priv->main_window = NULL;
 640
 641                 /* Disconnect all emissions of msg-changed */
 642                 if (priv->viewer_handlers) {
 643                         g_hash_table_foreach (priv->viewer_handlers,
 644                                               disconnect_msg_changed,
 645                                               NULL);
 646                         g_hash_table_destroy (priv->viewer_handlers);
 647                         priv->viewer_handlers = NULL;
 648                 }
 649         }
 650
 651         /* Remove the viewer window handler from the hash table. The
 652            HashTable could not exist if the main window was closeed
 653            when there were other windows remaining */
 654         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 655                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 656                 g_signal_handler_disconnect (window, *tmp);
 657                 g_hash_table_remove (priv->viewer_handlers, window);
 658         }
 659
 660         /* Save state */
 661         modest_window_save_state (window);
 662
 663         /* Remove from list & hash table */
 664         priv->window_list = g_list_remove_link (priv->window_list, win);
 665         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 666         handler_id = *tmp;
 667         g_hash_table_remove (priv->destroy_handlers, window);
 668
 669         /* Disconnect the "delete-event" handler, we won't need it anymore */
 670         g_signal_handler_disconnect (window, handler_id);
 671
 672         /* Disconnect all the window signals */
 673         modest_window_disconnect_signals (window);
 674
 675         /* Destroy the window */
 676         gtk_widget_destroy (win->data);
 677
 678         /* If there are no more windows registered then exit program */
 679         if (priv->window_list == NULL)
 680                 g_timeout_add (CLOSING_RETRY_INTERVAL,
 681                                (GSourceFunc)on_quit_maybe, self);
 682 }
 683
 684
 685
 686 void
 687 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 688                                        gboolean on)
 689 {
 690         ModestWindowMgrPrivate *priv;
 691         GList *win = NULL;
 692         ModestConf *conf;
 693
 694         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 695
 696         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 697
 698         /* If there is no change do nothing */
 699         if (priv->fullscreen_mode == on)
 700                 return;
 701
 702         priv->fullscreen_mode = on;
 703
 704         conf = modest_runtime_get_conf ();
 705
 706         /* Update windows */
 707         win = priv->window_list;
 708         while (win) {
 709                 gboolean show;
 710                 const gchar *key = NULL;
 711
 712                 /* Getting this from gconf everytime is not that
 713                    expensive, we'll do it just a few times */
 714                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 715                 show = modest_conf_get_bool (conf, key, NULL);
 716
 717                 /* Set fullscreen/unfullscreen */
 718                 if (on)
 719                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 720                 else
 721                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 722
 723                 /* Show/Hide toolbar */
 724                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 725
 726                 win = g_list_next (win);
 727         }
 728 }
 729
 730 gboolean
 731 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 732 {
 733         ModestWindowMgrPrivate *priv;
 734
 735         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 736
 737         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 738
 739         return priv->fullscreen_mode;
 740 }
 741
 742 void
 743 modest_window_mgr_show_toolbars (ModestWindowMgr *self,
 744                                  GType window_type,
 745                                  gboolean show_toolbars,
 746                                  gboolean fullscreen)
 747 {
 748         ModestWindowMgrPrivate *priv;
 749         ModestConf *conf;
 750         const gchar *key = NULL;
 751
 752         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 753
 754         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 755         conf = modest_runtime_get_conf ();
 756
 757         /* If nothing changes then return */
 758         key = get_show_toolbar_key (window_type, fullscreen);
 759         conf = modest_runtime_get_conf ();
 760         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 761                 return;
 762
 763         /* Save in conf */
 764         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 765
 766         /* Apply now if the view mode is the right one */
 767         if ((fullscreen && priv->fullscreen_mode) ||
 768             (!fullscreen && !priv->fullscreen_mode)) {
 769
 770                 GList *win = priv->window_list;
 771
 772                 while (win) {
 773                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 774                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 775                                                             show_toolbars);
 776                         win = g_list_next (win);
 777                 }
 778         }
 779 }
 780
 781 ModestWindow*
 782 modest_window_mgr_get_main_window (ModestWindowMgr *self)
 783 {
 784         ModestWindowMgrPrivate *priv;
 785
 786         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 787         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 788
 789         /* create the main window, if it hasn't been created yet */
 790         if (!priv->main_window) {
 791                 /* modest_window_mgr_register_window will set priv->main_window */
 792                 modest_window_mgr_register_window (self, modest_main_window_new ());
 793                 g_debug ("%s: created main window: %p\n", __FUNCTION__, priv->main_window);
 794         }
 795
 796         return priv->main_window;
 797 }
 798
 799
 800 GtkDialog*
 801 modest_window_mgr_get_easysetup_dialog (ModestWindowMgr *self)
 802 {
 803         ModestWindowMgrPrivate *priv;
 804
 805         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 806         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 807
 808         return priv->easysetup_dialog;
 809 }
 810
 811
 812 GtkDialog*
 813 modest_window_mgr_set_easysetup_dialog (ModestWindowMgr *self, GtkDialog *dialog)
 814 {
 815         ModestWindowMgrPrivate *priv;
 816
 817         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 818         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 819
 820         return priv->easysetup_dialog = dialog;
 821 }
 822
 823
 824 static void
 825 on_nonhibernating_window_hide(GtkWidget *widget, gpointer user_data)
 826 {
 827         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 828         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 829
 830         /* Forget this window,
 831          * so hibernation will be allowed again if no windows are remembered: */
 832         priv->windows_that_prevent_hibernation =
 833                 g_slist_remove (priv->windows_that_prevent_hibernation, GTK_WINDOW(widget));
 834 }
 835
 836 static void
 837 on_nonhibernating_window_show(GtkWidget *widget, gpointer user_data)
 838 {
 839         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 840         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 841
 842         GtkWindow *window = GTK_WINDOW (widget);
 843
 844         priv->windows_that_prevent_hibernation =
 845                         g_slist_append (priv->windows_that_prevent_hibernation, window);
 846
 847         /* Allow hibernation again when the window has been hidden: */
 848         g_signal_connect (window, "hide",
 849                 G_CALLBACK (on_nonhibernating_window_hide), self);
 850 }
 851
 852 void
 853 modest_window_mgr_prevent_hibernation_while_window_is_shown (ModestWindowMgr *self,
 854                                                                   GtkWindow *window)
 855 {
 856         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 857
 858         if (GTK_WIDGET_VISIBLE(window)) {
 859                 on_nonhibernating_window_show (GTK_WIDGET (window), self);
 860         } else {
 861                 /* Wait for it to be shown: */
 862                 g_signal_connect (window, "show",
 863                         G_CALLBACK (on_nonhibernating_window_show), self);
 864         }
 865 }
 866
 867 gboolean
 868 modest_window_mgr_get_hibernation_is_prevented (ModestWindowMgr *self)
 869 {
 870         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 871
 872         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 873
 874         /* Prevent hibernation if any open windows are currently
 875          * preventing hibernation: */
 876         return (g_slist_length (priv->windows_that_prevent_hibernation) > 0);
 877 }
 878
 879
 880 void
 881 modest_window_mgr_save_state_for_all_windows (ModestWindowMgr *self)
 882 {
 883         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 884
 885         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 886
 887         /* Iterate over all windows */
 888         GList *win = priv->window_list;
 889         while (win) {
 890                 ModestWindow *window = MODEST_WINDOW (win->data);
 891                 if (window) {
 892                         /* This calls the vfunc,
 893                          * so each window can do its own thing: */
 894                         modest_window_save_state (window);
 895                 }
 896
 897                 win = g_list_next (win);
 898         }
 899 }