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 gboolean
 321 modest_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 322                                           ModestWindow **win)
 323 {
 324         ModestWindowMgrPrivate *priv;
 325         gchar* uid;
 326         gboolean has_header, has_window = FALSE;
 327         GList *item = NULL;
 328
 329         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 330         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 331
 332         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 333
 334         uid = modest_tny_folder_get_header_unique_id (header);
 335
 336         if (win)
 337                 *win = NULL;
 338
 339         has_header = has_uid (priv->preregistered_uids, uid);
 340
 341         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 342         if (item) {
 343                 has_window = TRUE;
 344                 if (win) {
 345                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 346                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 347                                 g_debug ("not a valid window!");
 348                         else {
 349                                 g_debug ("found a window");
 350                                 *win = MODEST_WINDOW (item->data);
 351                         }
 352                 }
 353         }
 354
 355         g_free (uid);
 356         return has_header || has_window;
 357 }
 358
 359 static const gchar *
 360 get_show_toolbar_key (GType window_type,
 361                       gboolean fullscreen)
 362 {
 363         const gchar *key = NULL;
 364
 365         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 366                 key = (fullscreen) ?
 367                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 368                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 369         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 370                 key = (fullscreen) ?
 371                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 372                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 373         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 374                 key = (fullscreen) ?
 375                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 376                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 377         else
 378                 g_return_val_if_reached (NULL);
 379
 380         return key;
 381 }
 382
 383 void
 384 modest_window_mgr_register_window (ModestWindowMgr *self,
 385                                    ModestWindow *window)
 386 {
 387         GList *win;
 388         ModestWindowMgrPrivate *priv;
 389         gint *handler_id;
 390         const gchar *key;
 391
 392         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 393         g_return_if_fail (GTK_IS_WINDOW (window));
 394
 395         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 396
 397         win = g_list_find (priv->window_list, window);
 398         if (win) {
 399                 g_warning ("%s: trying to re-register a window",
 400                            __FUNCTION__);
 401                 return;
 402         }
 403
 404         /* Check that it's not a second main window */
 405         if (MODEST_IS_MAIN_WINDOW (window)) {
 406                 if (priv->main_window) {
 407                         g_warning ("%s: trying to register a second main window",
 408                                    __FUNCTION__);
 409                         return;
 410                 } else {
 411                         priv->main_window = window;
 412                 }
 413         }
 414
 415         /* remove from the list of pre-registered uids */
 416         if (MODEST_IS_MSG_VIEW_WINDOW(window)) {
 417                 const gchar *uid = modest_msg_view_window_get_message_uid
 418                         (MODEST_MSG_VIEW_WINDOW (window));
 419
 420                 if (!has_uid (priv->preregistered_uids, uid))
 421                         g_debug ("weird: no uid for window (%s)", uid);
 422
 423                 g_debug ("registering window for %s", uid ? uid : "<none>");
 424
 425                 priv->preregistered_uids =
 426                         remove_uid (priv->preregistered_uids,
 427                                     modest_msg_view_window_get_message_uid
 428                                     (MODEST_MSG_VIEW_WINDOW (window)));
 429
 430         } else if (MODEST_IS_MSG_EDIT_WINDOW(window)) {
 431                 const gchar *uid = modest_msg_edit_window_get_message_uid
 432                         (MODEST_MSG_EDIT_WINDOW (window));
 433
 434                 g_debug ("registering window for %s", uid);
 435
 436                 priv->preregistered_uids =
 437                         remove_uid (priv->preregistered_uids,
 438                                     modest_msg_edit_window_get_message_uid
 439                                     (MODEST_MSG_EDIT_WINDOW (window)));
 440         }
 441
 442         /* Add to list. Keep a reference to the window */
 443         g_object_ref (window);
 444         priv->window_list = g_list_prepend (priv->window_list, window);
 445
 446         /* Listen to object destruction */
 447         handler_id = g_malloc0 (sizeof (gint));
 448         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 449         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 450
 451         /* If there is a msg view window, let the main window listen the msg-changed signal */
 452         if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
 453                 gulong *handler;
 454                 handler = g_malloc0 (sizeof (gulong));
 455                 *handler = g_signal_connect (window, "msg-changed",
 456                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 457                                              priv->main_window);
 458                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 459         }
 460
 461         /* Put into fullscreen if needed */
 462         if (priv->fullscreen_mode)
 463                 gtk_window_fullscreen (GTK_WINDOW (window));
 464
 465         /* Show/hide toolbar & fullscreen */
 466         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 467         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 468 }
 469
 470 static gboolean
 471 on_window_destroy (ModestWindow *window,
 472                    GdkEvent *event,
 473                    ModestWindowMgr *self)
 474 {
 475         /* Specific stuff first */
 476         if (MODEST_IS_MAIN_WINDOW (window)) {
 477                 ModestWindowMgrPrivate *priv;
 478                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 479
 480                 /* If more than one window already opened */
 481                 if (g_list_length (priv->window_list) > 1) {
 482
 483                         /* If the user wants to close all the windows */
 484                         if (modest_main_window_close_all (MODEST_MAIN_WINDOW (window))) {
 485                                 GList *iter = priv->window_list;
 486                                 do {
 487                                         if (iter->data != window) {
 488                                                 GList *tmp = iter->next;
 489                                                 on_window_destroy (MODEST_WINDOW (iter->data),
 490                                                                    event,
 491                                                                    self);
 492                                                 iter = tmp;
 493                                         } else {
 494                                                 iter = g_list_next (iter);
 495                                         }
 496                                 } while (iter);
 497                         }
 498                 }
 499         }
 500         else {
 501                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 502                         gboolean sent = FALSE;
 503                         gint response = GTK_RESPONSE_ACCEPT;
 504                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 505                         /* Save currently edited message to Drafts if it was not sent */
 506                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 507
 508                                 response =
 509                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 510                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 511                                 /* Save to drafts */
 512                                 if (response != GTK_RESPONSE_CANCEL)
 513                                         modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window));
 514
 515                         }
 516                 }
 517         }
 518
 519         /* Save configuration state (TODO: why edit window does not require this function ?) */
 520         if (!MODEST_IS_MSG_EDIT_WINDOW (window))
 521                 modest_window_save_state (MODEST_WINDOW(window));
 522
 523
 524         /* Unregister window */
 525         modest_window_mgr_unregister_window (self, window);
 526
 527         return FALSE;
 528 }
 529
 530 static void
 531 disconnect_msg_changed (gpointer key,
 532                         gpointer value,
 533                         gpointer user_data)
 534 {
 535         gulong *handler_id;
 536
 537         handler_id = (gulong *) value;
 538         g_signal_handler_disconnect (G_OBJECT (key), *handler_id);
 539 }
 540
 541
 542
 543 /* interval before retrying to close the application */
 544 #define CLOSING_RETRY_INTERVAL 3000
 545 /* interval before cancel whatever is left in the queue, and closing anyway */
 546 #define MAX_WAIT_FOR_CLOSING 30 * 1000
 547
 548 static gboolean
 549 on_quit_maybe (ModestWindowMgr *self)
 550 {
 551         ModestWindowMgrPrivate *priv;
 552         guint queue_num;
 553
 554         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 555
 556         /* it seems, in the meantime some windows were
 557          * created. in that case, stop  'on_quit_maybe' */
 558         if (priv->window_list) {
 559                 priv->closing_time = 0;
 560                 return FALSE;
 561         }
 562
 563         if (priv->closing_time >= MAX_WAIT_FOR_CLOSING) {
 564                 /* we waited long enough: cancel all remaining operations */
 565                 g_debug ("%s: we waited long enough (%ds), cancelling queue and quiting",
 566                          __FUNCTION__, priv->closing_time/1000);
 567                 /* FIXME: below gives me a lot of:
 568                  * GLIB CRITICAL ** default - modest_mail_operation_cancel:
 569                  *                     assertion `priv->account' failed
 570                  * which means there is no account for the given operation
 571                  * so, we're not trying to be nice, we're just quiting.
 572                  */
 573                 //modest_mail_operation_queue_cancel_all
 574                 //      (modest_runtime_get_mail_operation_queue());
 575         } else {
 576
 577                 /* if there is anything left in our operation queue,
 578                  * wait another round
 579                  */
 580                 queue_num = modest_mail_operation_queue_num_elements
 581                         (modest_runtime_get_mail_operation_queue());
 582                 if  (queue_num > 0) {
 583                         g_debug ("%s: waiting, there are still %d operation(s) queued",
 584                                  __FUNCTION__, queue_num);
 585                         priv->closing_time += CLOSING_RETRY_INTERVAL;
 586                         return TRUE;
 587                 }
 588         }
 589
 590         /* so: no windows left, nothing in the queue: quit */
 591         priv->closing_time = 0;
 592         gtk_main_quit ();
 593         return FALSE;
 594 }
 595
 596
 597 void
 598 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 599                                      ModestWindow *window)
 600 {
 601         GList *win;
 602         ModestWindowMgrPrivate *priv;
 603         gulong *tmp, handler_id;
 604
 605         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 606         g_return_if_fail (MODEST_IS_WINDOW (window));
 607
 608         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 609
 610         win = g_list_find (priv->window_list, window);
 611         if (!win) {
 612                 g_warning ("Trying to unregister a window that has not being registered yet");
 613                 return;
 614         }
 615
 616         /* If it's the main window unset it */
 617         if (priv->main_window == window) {
 618                 priv->main_window = NULL;
 619
 620                 /* Disconnect all emissions of msg-changed */
 621                 if (priv->viewer_handlers) {
 622                         g_hash_table_foreach (priv->viewer_handlers,
 623                                               disconnect_msg_changed,
 624                                               NULL);
 625                         g_hash_table_destroy (priv->viewer_handlers);
 626                         priv->viewer_handlers = NULL;
 627                 }
 628         }
 629
 630         /* Remove the viewer window handler from the hash table. The
 631            HashTable could not exist if the main window was closeed
 632            when there were other windows remaining */
 633         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 634                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 635                 g_signal_handler_disconnect (window, *tmp);
 636                 g_hash_table_remove (priv->viewer_handlers, window);
 637         }
 638
 639         /* Save state */
 640         modest_window_save_state (window);
 641
 642         /* Remove from list & hash table */
 643         priv->window_list = g_list_remove_link (priv->window_list, win);
 644         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 645         handler_id = *tmp;
 646         g_hash_table_remove (priv->destroy_handlers, window);
 647
 648         /* Disconnect the "delete-event" handler, we won't need it anymore */
 649         g_signal_handler_disconnect (window, handler_id);
 650
 651         /* Disconnect all the window signals */
 652         modest_window_disconnect_signals (window);
 653
 654         /* Destroy the window */
 655         gtk_widget_destroy (win->data);
 656
 657         /* If there are no more windows registered then exit program */
 658         if (priv->window_list == NULL)
 659                 g_timeout_add (CLOSING_RETRY_INTERVAL,
 660                                (GSourceFunc)on_quit_maybe, self);
 661 }
 662
 663
 664
 665 void
 666 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 667                                        gboolean on)
 668 {
 669         ModestWindowMgrPrivate *priv;
 670         GList *win = NULL;
 671         ModestConf *conf;
 672
 673         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 674
 675         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 676
 677         /* If there is no change do nothing */
 678         if (priv->fullscreen_mode == on)
 679                 return;
 680
 681         priv->fullscreen_mode = on;
 682
 683         conf = modest_runtime_get_conf ();
 684
 685         /* Update windows */
 686         win = priv->window_list;
 687         while (win) {
 688                 gboolean show;
 689                 const gchar *key = NULL;
 690
 691                 /* Getting this from gconf everytime is not that
 692                    expensive, we'll do it just a few times */
 693                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 694                 show = modest_conf_get_bool (conf, key, NULL);
 695
 696                 /* Set fullscreen/unfullscreen */
 697                 if (on)
 698                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 699                 else
 700                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 701
 702                 /* Show/Hide toolbar */
 703                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 704
 705                 win = g_list_next (win);
 706         }
 707 }
 708
 709 gboolean
 710 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 711 {
 712         ModestWindowMgrPrivate *priv;
 713
 714         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 715
 716         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 717
 718         return priv->fullscreen_mode;
 719 }
 720
 721 void
 722 modest_window_mgr_show_toolbars (ModestWindowMgr *self,
 723                                  GType window_type,
 724                                  gboolean show_toolbars,
 725                                  gboolean fullscreen)
 726 {
 727         ModestWindowMgrPrivate *priv;
 728         ModestConf *conf;
 729         const gchar *key = NULL;
 730
 731         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 732
 733         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 734         conf = modest_runtime_get_conf ();
 735
 736         /* If nothing changes then return */
 737         key = get_show_toolbar_key (window_type, fullscreen);
 738         conf = modest_runtime_get_conf ();
 739         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 740                 return;
 741
 742         /* Save in conf */
 743         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 744
 745         /* Apply now if the view mode is the right one */
 746         if ((fullscreen && priv->fullscreen_mode) ||
 747             (!fullscreen && !priv->fullscreen_mode)) {
 748
 749                 GList *win = priv->window_list;
 750
 751                 while (win) {
 752                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 753                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 754                                                             show_toolbars);
 755                         win = g_list_next (win);
 756                 }
 757         }
 758 }
 759
 760 ModestWindow*
 761 modest_window_mgr_get_main_window (ModestWindowMgr *self)
 762 {
 763         ModestWindowMgrPrivate *priv;
 764
 765         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 766         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 767
 768         /* create the main window, if it hasn't been created yet */
 769         if (!priv->main_window) {
 770                 /* modest_window_mgr_register_window will set priv->main_window */
 771                 modest_window_mgr_register_window (self, modest_main_window_new ());
 772                 g_debug ("%s: created main window: %p\n", __FUNCTION__, priv->main_window);
 773         }
 774
 775         return priv->main_window;
 776 }
 777
 778
 779 GtkDialog*
 780 modest_window_mgr_get_easysetup_dialog (ModestWindowMgr *self)
 781 {
 782         ModestWindowMgrPrivate *priv;
 783
 784         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 785         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 786
 787         return priv->easysetup_dialog;
 788 }
 789
 790
 791 GtkDialog*
 792 modest_window_mgr_set_easysetup_dialog (ModestWindowMgr *self, GtkDialog *dialog)
 793 {
 794         ModestWindowMgrPrivate *priv;
 795
 796         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 797         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 798
 799         return priv->easysetup_dialog = dialog;
 800 }
 801
 802
 803 static void
 804 on_nonhibernating_window_hide(GtkWidget *widget, gpointer user_data)
 805 {
 806         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 807         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 808
 809         /* Forget this window,
 810          * so hibernation will be allowed again if no windows are remembered: */
 811         priv->windows_that_prevent_hibernation =
 812                 g_slist_remove (priv->windows_that_prevent_hibernation, GTK_WINDOW(widget));
 813 }
 814
 815 static void
 816 on_nonhibernating_window_show(GtkWidget *widget, gpointer user_data)
 817 {
 818         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 819         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 820
 821         GtkWindow *window = GTK_WINDOW (widget);
 822
 823         priv->windows_that_prevent_hibernation =
 824                         g_slist_append (priv->windows_that_prevent_hibernation, window);
 825
 826         /* Allow hibernation again when the window has been hidden: */
 827         g_signal_connect (window, "hide",
 828                 G_CALLBACK (on_nonhibernating_window_hide), self);
 829 }
 830
 831 void
 832 modest_window_mgr_prevent_hibernation_while_window_is_shown (ModestWindowMgr *self,
 833                                                                   GtkWindow *window)
 834 {
 835         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 836
 837         if (GTK_WIDGET_VISIBLE(window)) {
 838                 on_nonhibernating_window_show (GTK_WIDGET (window), self);
 839         } else {
 840                 /* Wait for it to be shown: */
 841                 g_signal_connect (window, "show",
 842                         G_CALLBACK (on_nonhibernating_window_show), self);
 843         }
 844 }
 845
 846 gboolean
 847 modest_window_mgr_get_hibernation_is_prevented (ModestWindowMgr *self)
 848 {
 849         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 850
 851         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 852
 853         /* Prevent hibernation if any open windows are currently
 854          * preventing hibernation: */
 855         return (g_slist_length (priv->windows_that_prevent_hibernation) > 0);
 856 }
 857
 858
 859 void
 860 modest_window_mgr_save_state_for_all_windows (ModestWindowMgr *self)
 861 {
 862         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 863
 864         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 865
 866         /* Iterate over all windows */
 867         GList *win = priv->window_list;
 868         while (win) {
 869                 ModestWindow *window = MODEST_WINDOW (win->data);
 870                 if (window) {
 871                         /* This calls the vfunc,
 872                          * so each window can do its own thing: */
 873                         modest_window_save_state (window);
 874                 }
 875
 876                 win = g_list_next (win);
 877         }
 878 }