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 #include "modest-debug.h"
  40
  41
  42 /* 'private'/'protected' functions */
  43 static void modest_window_mgr_class_init (ModestWindowMgrClass *klass);
  44 static void modest_window_mgr_init       (ModestWindowMgr *obj);
  45 static void modest_window_mgr_finalize   (GObject *obj);
  46
  47 static gboolean on_window_destroy        (ModestWindow *window,
  48                                           GdkEvent *event,
  49                                           ModestWindowMgr *self);
  50
  51 static gboolean on_modal_window_close    (GtkWidget *widget,
  52                                           GdkEvent *event,
  53                                           gpointer user_data);
  54
  55 static void     on_modal_dialog_close    (GtkDialog *dialog,
  56                                           gint arg1,
  57                                           gpointer user_data);
  58
  59 static const gchar* get_show_toolbar_key (GType window_type,
  60                                           gboolean fullscreen);
  61
  62 /* list my signals  */
  63 enum {
  64         WINDOW_LIST_EMPTY_SIGNAL,
  65         NUM_SIGNALS
  66 };
  67
  68 typedef struct _ModestWindowMgrPrivate ModestWindowMgrPrivate;
  69 struct _ModestWindowMgrPrivate {
  70         GList        *window_list;
  71
  72         ModestWindow *main_window;
  73
  74         GMutex       *queue_lock;
  75         GQueue       *modal_windows;
  76
  77         gboolean     fullscreen_mode;
  78
  79         GSList       *windows_that_prevent_hibernation;
  80         GSList       *preregistered_uids;
  81         GHashTable   *destroy_handlers;
  82         GHashTable   *viewer_handlers;
  83
  84         guint        closing_time;
  85
  86         GSList       *modal_handler_uids;
  87 };
  88 #define MODEST_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  89                                                MODEST_TYPE_WINDOW_MGR, \
  90                                                ModestWindowMgrPrivate))
  91 /* globals */
  92 static GObjectClass *parent_class = NULL;
  93
  94 /* uncomment the following if you have defined any signals */
  95 static guint signals[NUM_SIGNALS] = {0};
  96
  97 GType
  98 modest_window_mgr_get_type (void)
  99 {
 100         static GType my_type = 0;
 101         if (!my_type) {
 102                 static const GTypeInfo my_info = {
 103                         sizeof(ModestWindowMgrClass),
 104                         NULL,           /* base init */
 105                         NULL,           /* base finalize */
 106                         (GClassInitFunc) modest_window_mgr_class_init,
 107                         NULL,           /* class finalize */
 108                         NULL,           /* class data */
 109                         sizeof(ModestWindowMgr),
 110                         1,              /* n_preallocs */
 111                         (GInstanceInitFunc) modest_window_mgr_init,
 112                         NULL
 113                 };
 114                 my_type = g_type_register_static (G_TYPE_OBJECT,
 115                                                   "ModestWindowMgr",
 116                                                   &my_info, 0);
 117         }
 118         return my_type;
 119 }
 120
 121 static void
 122 modest_window_mgr_class_init (ModestWindowMgrClass *klass)
 123 {
 124         GObjectClass *gobject_class;
 125         gobject_class = (GObjectClass*) klass;
 126
 127         parent_class            = g_type_class_peek_parent (klass);
 128         gobject_class->finalize = modest_window_mgr_finalize;
 129
 130         g_type_class_add_private (gobject_class, sizeof(ModestWindowMgrPrivate));
 131
 132
 133         /**
 134          * ModestWindowMgr::window-list-empty
 135          * @self: the #ModestWindowMgr that emits the signal
 136          * @user_data: user data set when the signal handler was connected
 137          *
 138          * Issued whenever the window list becomes empty
 139          */
 140         signals[WINDOW_LIST_EMPTY_SIGNAL] =
 141                 g_signal_new ("window-list-empty",
 142                               G_TYPE_FROM_CLASS (gobject_class),
 143                               G_SIGNAL_RUN_FIRST,
 144                               G_STRUCT_OFFSET (ModestWindowMgrClass, window_list_empty),
 145                               NULL, NULL,
 146                               g_cclosure_marshal_VOID__VOID,
 147                               G_TYPE_NONE, 0);
 148 }
 149
 150 static void
 151 modest_window_mgr_init (ModestWindowMgr *obj)
 152 {
 153         ModestWindowMgrPrivate *priv;
 154
 155         priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 156         priv->window_list = NULL;
 157         priv->main_window = NULL;
 158         priv->fullscreen_mode = FALSE;
 159
 160         priv->modal_windows = g_queue_new ();
 161         priv->queue_lock = g_mutex_new ();
 162
 163         priv->preregistered_uids = NULL;
 164
 165         /* Could not initialize it from gconf, singletons are not
 166            ready yet */
 167         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 168         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 169
 170         priv->closing_time = 0;
 171
 172         priv->modal_handler_uids = NULL;
 173 }
 174
 175 static void
 176 modest_window_mgr_finalize (GObject *obj)
 177 {
 178         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 179
 180         if (priv->window_list) {
 181                 GList *iter = priv->window_list;
 182                 /* unregister pending windows */
 183                 while (iter) {
 184                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj),
 185                                                              MODEST_WINDOW (iter->data));
 186                         iter = g_list_next (iter);
 187                 }
 188                 g_list_free (priv->window_list);
 189                 priv->window_list = NULL;
 190         }
 191
 192         g_slist_foreach (priv->preregistered_uids, (GFunc)g_free, NULL);
 193         g_slist_free (priv->preregistered_uids);
 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
 209         if (priv->modal_windows) {
 210                 g_mutex_lock (priv->queue_lock);
 211                 g_queue_free (priv->modal_windows);
 212                 priv->modal_windows = NULL;
 213                 g_mutex_unlock (priv->queue_lock);
 214         }
 215         g_mutex_free (priv->queue_lock);
 216
 217         /* Do not unref priv->main_window because it does not hold a
 218            new reference */
 219
 220
 221         G_OBJECT_CLASS(parent_class)->finalize (obj);
 222 }
 223
 224 ModestWindowMgr*
 225 modest_window_mgr_new (void)
 226 {
 227         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_WINDOW_MGR, NULL));
 228 }
 229
 230
 231
 232
 233 /* do we have uid? */
 234 static gboolean
 235 has_uid (GSList *list, const gchar *uid)
 236 {
 237         GSList *cursor = list;
 238
 239         if (!uid)
 240                 return FALSE;
 241
 242         while (cursor) {
 243                 if (cursor->data && strcmp (cursor->data, uid) == 0)
 244                         return TRUE;
 245                 cursor = g_slist_next (cursor);
 246         }
 247         return FALSE;
 248 }
 249
 250
 251 /* remove all from the list have have uid = uid */
 252 static GSList*
 253 remove_uid (GSList *list, const gchar *uid)
 254 {
 255         GSList *cursor = list, *start = list;
 256
 257         if (!uid)
 258                 return FALSE;
 259
 260         while (cursor) {
 261                 GSList *next = g_slist_next (cursor);
 262                 if (cursor->data && strcmp (cursor->data, uid) == 0) {
 263                         g_free (cursor->data);
 264                         start = g_slist_delete_link (start, cursor);
 265                 }
 266                 cursor = next;
 267         }
 268         return start;
 269 }
 270
 271
 272 static GSList *
 273 append_uid (GSList *list, const gchar *uid)
 274 {
 275         return g_slist_append (list, g_strdup(uid));
 276 }
 277
 278
 279
 280 void
 281 modest_window_mgr_register_header (ModestWindowMgr *self,  TnyHeader *header, const gchar *alt_uid)
 282 {
 283         ModestWindowMgrPrivate *priv;
 284         gchar* uid;
 285
 286         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 287         g_return_if_fail (TNY_IS_HEADER(header));
 288
 289         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 290         uid = modest_tny_folder_get_header_unique_id (header);
 291
 292         if (uid == NULL)
 293                 uid = g_strdup (alt_uid);
 294
 295         if (!has_uid (priv->preregistered_uids, uid)) {
 296                 g_debug ("registering new uid %s", uid);
 297                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 298         } else
 299                 g_debug ("already had uid %s", uid);
 300
 301         g_free (uid);
 302 }
 303
 304 void
 305 modest_window_mgr_unregister_header (ModestWindowMgr *self,  TnyHeader *header)
 306 {
 307         ModestWindowMgrPrivate *priv;
 308         gchar* uid;
 309
 310         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 311         g_return_if_fail (TNY_IS_HEADER(header));
 312
 313         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 314         uid = modest_tny_folder_get_header_unique_id (header);
 315
 316         if (!has_uid (priv->preregistered_uids, uid)) {
 317                 g_debug ("trying to unregister non-existing uid %s", uid);
 318                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 319         } else
 320                 g_debug ("unregistering uid %s", uid);
 321
 322         if (has_uid (priv->preregistered_uids, uid)) {
 323                 priv->preregistered_uids = remove_uid (priv->preregistered_uids, uid);
 324                 if (has_uid (priv->preregistered_uids, uid))
 325                         g_debug ("BUG: uid %s NOT removed", uid);
 326                 else
 327                         g_debug ("uid %s removed", uid);
 328         }
 329
 330         g_free (uid);
 331 }
 332
 333
 334 #define MODEST_WINDOW_HELP_ID_PARAM "help-id"
 335
 336 void
 337 modest_window_mgr_register_help_id (ModestWindowMgr *self, GtkWindow *win, const gchar* help_id)
 338 {
 339         /* we don't need 'self', but for API consistency... */
 340         g_return_if_fail (self && MODEST_IS_WINDOW_MGR(self));
 341
 342         g_return_if_fail (win && GTK_IS_WINDOW(win));
 343         g_return_if_fail (help_id);
 344
 345         g_object_set_data_full (G_OBJECT(win), MODEST_WINDOW_HELP_ID_PARAM,
 346                                 g_strdup(help_id), g_free);
 347 }
 348
 349
 350 const gchar*
 351 modest_window_mgr_get_help_id (ModestWindowMgr *self, GtkWindow *win)
 352 {
 353         const gchar* help_id = NULL;
 354
 355         /* we don't need 'self', but for API consistency... */
 356         g_return_val_if_fail (self && MODEST_IS_WINDOW_MGR(self), NULL);
 357
 358         g_return_val_if_fail (win, NULL);
 359         g_return_val_if_fail (GTK_IS_WINDOW(win), NULL);
 360
 361         if (MODEST_IS_MAIN_WINDOW (win)) {
 362                 GtkWidget *folder_view;
 363                 TnyFolderStore *folder_store;
 364
 365                 /* Get selected folder */
 366                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 367                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 368                 folder_store = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 369
 370                 /* Switch help_id */
 371                 if (folder_store && TNY_IS_FOLDER (folder_store)) {
 372                         help_id = modest_tny_folder_get_help_id (TNY_FOLDER (folder_store));
 373                         if (!help_id)
 374                                 g_warning ("%s: BUG: did not get a valid help_id", __FUNCTION__);
 375                 }
 376                 if (folder_store)
 377                         g_object_unref (folder_store);
 378         }
 379
 380         if (!help_id)
 381                 help_id = g_object_get_data (G_OBJECT(win), MODEST_WINDOW_HELP_ID_PARAM);
 382
 383         return help_id;
 384 }
 385
 386 static gint
 387 compare_msguids (ModestWindow *win,
 388                  const gchar *uid)
 389 {
 390         const gchar *msg_uid;
 391
 392         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 393                 return 1;
 394
 395         /* Get message uid from msg window */
 396         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 397                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 398                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 399                         return 0;
 400         } else {
 401                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 402         }
 403
 404         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 405                 return 0;
 406         else
 407                 return 1;
 408 }
 409
 410 void
 411 modest_window_mgr_close_all_windows (ModestWindowMgr *self)
 412 {
 413         ModestWindowMgrPrivate *priv = NULL;
 414         GList *wins = NULL;
 415         gboolean ret_value = FALSE;
 416
 417         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 418         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 419
 420         /* delete-event handler already removes window_list item, */
 421         /* so no next its required on this loop  */
 422         wins = priv->window_list;
 423         while (wins) {
 424                 g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 425
 426                 wins = priv->window_list;
 427         }
 428 }
 429
 430
 431 gboolean
 432 modest_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 433                                           ModestWindow **win)
 434 {
 435         ModestWindowMgrPrivate *priv = NULL;
 436         gchar* uid = NULL;
 437         gboolean has_header, has_window = FALSE;
 438         GList *item = NULL;
 439
 440         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 441         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 442
 443         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 444
 445         uid = modest_tny_folder_get_header_unique_id (header);
 446
 447         if (win)
 448                 *win = NULL;
 449
 450         has_header = has_uid (priv->preregistered_uids, uid);
 451
 452         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 453         if (item) {
 454                 has_window = TRUE;
 455                 if (win) {
 456                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 457                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 458                                 g_debug ("not a valid window!");
 459                         else {
 460                                 g_debug ("found a window");
 461                                 *win = MODEST_WINDOW (item->data);
 462                         }
 463                 }
 464         }
 465         g_free (uid);
 466
 467         return has_header || has_window;
 468 }
 469
 470 static const gchar *
 471 get_show_toolbar_key (GType window_type,
 472                       gboolean fullscreen)
 473 {
 474         const gchar *key = NULL;
 475
 476         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 477                 key = (fullscreen) ?
 478                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 479                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 480         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 481                 key = (fullscreen) ?
 482                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 483                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 484         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 485                 key = (fullscreen) ?
 486                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 487                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 488         else
 489                 g_return_val_if_reached (NULL);
 490
 491         return key;
 492 }
 493
 494 void
 495 modest_window_mgr_register_window (ModestWindowMgr *self,
 496                                    ModestWindow *window)
 497 {
 498         GList *win;
 499         ModestWindowMgrPrivate *priv;
 500         gint *handler_id;
 501         const gchar *key;
 502
 503         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 504         g_return_if_fail (GTK_IS_WINDOW (window));
 505
 506         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 507
 508         win = g_list_find (priv->window_list, window);
 509         if (win) {
 510                 /* this is for the case we want to register the window and it was already
 511                  * registered. We leave silently.
 512                  */
 513                 return;
 514         }
 515
 516         /* Check that it's not a second main window */
 517         if (MODEST_IS_MAIN_WINDOW (window)) {
 518                 if (priv->main_window) {
 519                         g_warning ("%s: trying to register a second main window",
 520                                    __FUNCTION__);
 521                         return;
 522                 } else {
 523                         priv->main_window = window;
 524                 }
 525         }
 526
 527         /* remove from the list of pre-registered uids */
 528         if (MODEST_IS_MSG_VIEW_WINDOW(window)) {
 529                 const gchar *uid = modest_msg_view_window_get_message_uid
 530                         (MODEST_MSG_VIEW_WINDOW (window));
 531
 532                 if (!has_uid (priv->preregistered_uids, uid))
 533                         g_debug ("weird: no uid for window (%s)", uid);
 534
 535                 g_debug ("registering window for %s", uid ? uid : "<none>");
 536
 537                 priv->preregistered_uids =
 538                         remove_uid (priv->preregistered_uids,
 539                                     modest_msg_view_window_get_message_uid
 540                                     (MODEST_MSG_VIEW_WINDOW (window)));
 541         } else if (MODEST_IS_MSG_EDIT_WINDOW(window)) {
 542                 const gchar *uid = modest_msg_edit_window_get_message_uid
 543                         (MODEST_MSG_EDIT_WINDOW (window));
 544
 545                 g_debug ("registering window for %s", uid);
 546
 547                 priv->preregistered_uids =
 548                         remove_uid (priv->preregistered_uids,
 549                                     modest_msg_edit_window_get_message_uid
 550                                     (MODEST_MSG_EDIT_WINDOW (window)));
 551         }
 552
 553         /* Add to list. Keep a reference to the window */
 554         g_object_ref (window);
 555         priv->window_list = g_list_prepend (priv->window_list, window);
 556
 557         /* Listen to object destruction */
 558         handler_id = g_malloc0 (sizeof (gint));
 559         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 560         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 561
 562         /* If there is a msg view window, let the main window listen the msg-changed signal */
 563         if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
 564                 gulong *handler;
 565                 handler = g_malloc0 (sizeof (gulong));
 566                 *handler = g_signal_connect (window, "msg-changed",
 567                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 568                                              priv->main_window);
 569                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 570         }
 571
 572         /* Put into fullscreen if needed */
 573         if (priv->fullscreen_mode)
 574                 gtk_window_fullscreen (GTK_WINDOW (window));
 575
 576         /* Show/hide toolbar & fullscreen */
 577         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 578         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 579 }
 580
 581 static gboolean
 582 on_window_destroy (ModestWindow *window,
 583                    GdkEvent *event,
 584                    ModestWindowMgr *self)
 585 {
 586         gint dialog_response = GTK_RESPONSE_NONE;
 587
 588         /* Specific stuff first */
 589         if (MODEST_IS_MAIN_WINDOW (window)) {
 590                 ModestWindowMgrPrivate *priv;
 591                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 592
 593                 /* If more than one window already opened */
 594                 if (g_list_length (priv->window_list) > 1) {
 595
 596                         /* Create the confirmation dialog MSG-NOT308 */
 597                         dialog_response = modest_platform_run_confirmation_dialog (
 598                                         GTK_WINDOW (window), _("emev_nc_close_windows"));
 599
 600                         /* If the user wants to close all the windows */
 601                         if ((dialog_response == GTK_RESPONSE_OK)
 602                                         || (dialog_response == GTK_RESPONSE_ACCEPT)
 603                                         || (dialog_response == GTK_RESPONSE_YES))
 604                                 {
 605                                         GList *iter = priv->window_list;
 606                                         do {
 607                                                 if (iter->data != window) {
 608                                                         GList *tmp = iter->next;
 609                                                         on_window_destroy (MODEST_WINDOW (iter->data),
 610                                                                         event,
 611                                                                         self);
 612                                                         iter = tmp;
 613                                                 } else {
 614                                                         iter = g_list_next (iter);
 615                                                 }
 616                                         } while (iter);
 617                                 }
 618                         else
 619                                 {
 620                                         return TRUE;
 621                                 }
 622                 }
 623         }
 624         else {
 625                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 626                         gboolean sent = FALSE;
 627                         gint response = GTK_RESPONSE_ACCEPT;
 628                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 629                         /* Save currently edited message to Drafts if it was not sent */
 630                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 631
 632                                 /* Raise the window if it's minimized */
 633                                 if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window)))
 634                                         gtk_window_present (GTK_WINDOW (window));
 635
 636                                 response =
 637                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 638                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 639                                 /* Save to drafts */
 640                                 if (response != GTK_RESPONSE_CANCEL)
 641                                         modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window));
 642                         }
 643                 }
 644         }
 645
 646         /* Unregister window */
 647         modest_window_mgr_unregister_window (self, window);
 648
 649         return FALSE;
 650 }
 651
 652 static void
 653 disconnect_msg_changed (gpointer key,
 654                         gpointer value,
 655                         gpointer user_data)
 656 {
 657         guint handler_id;
 658         handler_id = GPOINTER_TO_UINT(value);
 659
 660         if (key && G_IS_OBJECT(key))
 661                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 662 }
 663
 664 void
 665 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 666                                      ModestWindow *window)
 667 {
 668         GList *win;
 669         ModestWindowMgrPrivate *priv;
 670         gulong *tmp, handler_id;
 671
 672         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 673         g_return_if_fail (MODEST_IS_WINDOW (window));
 674
 675         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 676
 677         win = g_list_find (priv->window_list, window);
 678         if (!win) {
 679                 g_warning ("Trying to unregister a window that has not being registered yet");
 680                 return;
 681         }
 682
 683         /* If it's the main window unset it */
 684         if (priv->main_window == window) {
 685                 priv->main_window = NULL;
 686
 687                 /* Disconnect all emissions of msg-changed */
 688                 if (priv->viewer_handlers) {
 689                         g_hash_table_foreach (priv->viewer_handlers,
 690                                               disconnect_msg_changed,
 691                                               NULL);
 692                         g_hash_table_destroy (priv->viewer_handlers);
 693                         priv->viewer_handlers = NULL;
 694                 }
 695         }
 696
 697         /* Remove the viewer window handler from the hash table. The
 698            HashTable could not exist if the main window was closeed
 699            when there were other windows remaining */
 700         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 701                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 702                 /* If the viewer was created without a main window
 703                    (for example when opening a message through D-Bus
 704                    the viewer handlers was not registered */
 705                 if (tmp) {
 706                         g_signal_handler_disconnect (window, *tmp);
 707                         g_hash_table_remove (priv->viewer_handlers, window);
 708                 }
 709         }
 710
 711         /* Save state */
 712         modest_window_save_state (window);
 713
 714         /* Remove from list & hash table */
 715         priv->window_list = g_list_remove_link (priv->window_list, win);
 716         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 717         handler_id = *tmp;
 718         g_hash_table_remove (priv->destroy_handlers, window);
 719
 720         /* Disconnect the "delete-event" handler, we won't need it anymore */
 721         g_signal_handler_disconnect (window, handler_id);
 722
 723         /* Disconnect all the window signals */
 724         modest_window_disconnect_signals (window);
 725
 726         /* Destroy the window */
 727         gtk_widget_destroy (win->data);
 728
 729         /* If there are no more windows registered emit the signal */
 730         if (priv->window_list == NULL)
 731                 g_signal_emit (self, signals[WINDOW_LIST_EMPTY_SIGNAL], 0);
 732 }
 733
 734
 735
 736 void
 737 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 738                                        gboolean on)
 739 {
 740         ModestWindowMgrPrivate *priv;
 741         GList *win = NULL;
 742         ModestConf *conf;
 743
 744         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 745
 746         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 747
 748         /* If there is no change do nothing */
 749         if (priv->fullscreen_mode == on)
 750                 return;
 751
 752         priv->fullscreen_mode = on;
 753
 754         conf = modest_runtime_get_conf ();
 755
 756         /* Update windows */
 757         win = priv->window_list;
 758         while (win) {
 759                 gboolean show;
 760                 const gchar *key = NULL;
 761
 762                 /* Getting this from gconf everytime is not that
 763                    expensive, we'll do it just a few times */
 764                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 765                 show = modest_conf_get_bool (conf, key, NULL);
 766
 767                 /* Set fullscreen/unfullscreen */
 768                 if (on)
 769                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 770                 else
 771                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 772
 773                 /* Show/Hide toolbar */
 774                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 775
 776                 win = g_list_next (win);
 777         }
 778 }
 779
 780 gboolean
 781 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 782 {
 783         ModestWindowMgrPrivate *priv;
 784
 785         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 786
 787         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 788
 789         return priv->fullscreen_mode;
 790 }
 791
 792 void
 793 modest_window_mgr_show_toolbars (ModestWindowMgr *self,
 794                                  GType window_type,
 795                                  gboolean show_toolbars,
 796                                  gboolean fullscreen)
 797 {
 798         ModestWindowMgrPrivate *priv;
 799         ModestConf *conf;
 800         const gchar *key = NULL;
 801
 802         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 803
 804         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 805         conf = modest_runtime_get_conf ();
 806
 807         /* If nothing changes then return */
 808         key = get_show_toolbar_key (window_type, fullscreen);
 809         conf = modest_runtime_get_conf ();
 810         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 811                 return;
 812
 813         /* Save in conf */
 814         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 815
 816         /* Apply now if the view mode is the right one */
 817         if ((fullscreen && priv->fullscreen_mode) ||
 818             (!fullscreen && !priv->fullscreen_mode)) {
 819
 820                 GList *win = priv->window_list;
 821
 822                 while (win) {
 823                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 824                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 825                                                             show_toolbars);
 826                         win = g_list_next (win);
 827                 }
 828         }
 829 }
 830
 831 ModestWindow*
 832 modest_window_mgr_get_main_window (ModestWindowMgr *self, gboolean create)
 833 {
 834         ModestWindowMgrPrivate *priv;
 835
 836         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 837         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 838
 839         /* create the main window, if it hasn't been created yet */
 840         if (!priv->main_window && create) {
 841                 /* modest_window_mgr_register_window will set priv->main_window */
 842                 modest_window_mgr_register_window (self, modest_main_window_new ());
 843                 MODEST_DEBUG_BLOCK(
 844                         g_debug ("%s: created main window: %p\n", __FUNCTION__, priv->main_window);
 845                 );
 846         }
 847
 848         return priv->main_window;
 849 }
 850
 851
 852 gboolean
 853 modest_window_mgr_main_window_exists  (ModestWindowMgr *self)
 854 {
 855         ModestWindowMgrPrivate *priv;
 856
 857         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 858         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 859
 860         return priv->main_window != NULL;
 861 }
 862
 863
 864 GtkWindow *
 865 modest_window_mgr_get_modal (ModestWindowMgr *self)
 866 {
 867         ModestWindowMgrPrivate *priv;
 868
 869         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 870         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 871
 872         return g_queue_peek_head (priv->modal_windows);
 873 }
 874
 875
 876 void
 877 modest_window_mgr_set_modal (ModestWindowMgr *self,
 878                              GtkWindow *window)
 879 {
 880         GtkWindow *old_modal;
 881         ModestWindowMgrPrivate *priv;
 882
 883         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 884         g_return_if_fail (GTK_IS_WINDOW (window));
 885
 886         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 887         g_mutex_lock (priv->queue_lock);
 888         old_modal = g_queue_peek_head (priv->modal_windows);
 889         g_mutex_unlock (priv->queue_lock);
 890
 891         if (!old_modal) {
 892                 gtk_window_set_modal (window, TRUE);
 893         } else {
 894                 /* un-modalize the old one; the one on top should be the
 895                  * modal one */
 896                 gtk_window_set_transient_for (window, GTK_WINDOW(old_modal));
 897                 gtk_window_set_modal (window, TRUE);
 898         }
 899
 900         /* this will be the new modal window */
 901         g_mutex_lock (priv->queue_lock);
 902         g_queue_push_head (priv->modal_windows, window);
 903         g_mutex_unlock (priv->queue_lock);
 904
 905         if (GTK_IS_DIALOG (window))
 906                 /* Note that response is not always enough because it
 907                    could be captured and removed easily by dialogs but
 908                    works for most of situations */
 909                 priv->modal_handler_uids =
 910                         modest_signal_mgr_connect (priv->modal_handler_uids,
 911                                                    G_OBJECT (window),
 912                                                    "response",
 913                                                    G_CALLBACK (on_modal_dialog_close),
 914                                                    self);
 915         else
 916                 priv->modal_handler_uids =
 917                         modest_signal_mgr_connect (priv->modal_handler_uids,
 918                                                    G_OBJECT (window),
 919                                                    "delete-event",
 920                                                    G_CALLBACK (on_modal_window_close),
 921                                                    self);
 922 }
 923
 924
 925 static void
 926 on_nonhibernating_window_hide(GtkWidget *widget, gpointer user_data)
 927 {
 928         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 929         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 930
 931         /* Forget this window,
 932          * so hibernation will be allowed again if no windows are remembered: */
 933         priv->windows_that_prevent_hibernation =
 934                 g_slist_remove (priv->windows_that_prevent_hibernation, GTK_WINDOW(widget));
 935 }
 936
 937 static void
 938 on_nonhibernating_window_show(GtkWidget *widget, gpointer user_data)
 939 {
 940         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 941         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 942
 943         GtkWindow *window = GTK_WINDOW (widget);
 944
 945         priv->windows_that_prevent_hibernation =
 946                         g_slist_append (priv->windows_that_prevent_hibernation, window);
 947
 948         /* Allow hibernation again when the window has been hidden: */
 949         g_signal_connect (window, "hide",
 950                 G_CALLBACK (on_nonhibernating_window_hide), self);
 951 }
 952
 953 void
 954 modest_window_mgr_prevent_hibernation_while_window_is_shown (ModestWindowMgr *self,
 955                                                                   GtkWindow *window)
 956 {
 957         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 958
 959         if (GTK_WIDGET_VISIBLE(window)) {
 960                 on_nonhibernating_window_show (GTK_WIDGET (window), self);
 961         } else {
 962                 /* Wait for it to be shown: */
 963                 g_signal_connect (window, "show",
 964                         G_CALLBACK (on_nonhibernating_window_show), self);
 965         }
 966 }
 967
 968 gboolean
 969 modest_window_mgr_get_hibernation_is_prevented (ModestWindowMgr *self)
 970 {
 971         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 972
 973         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 974
 975         /* Prevent hibernation if any open windows are currently
 976          * preventing hibernation: */
 977         return (g_slist_length (priv->windows_that_prevent_hibernation) > 0);
 978 }
 979
 980
 981 void
 982 modest_window_mgr_save_state_for_all_windows (ModestWindowMgr *self)
 983 {
 984         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 985
 986         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 987
 988         /* Iterate over all windows */
 989         GList *win = priv->window_list;
 990         while (win) {
 991                 ModestWindow *window = MODEST_WINDOW (win->data);
 992                 if (window) {
 993                         /* This calls the vfunc,
 994                          * so each window can do its own thing: */
 995                         modest_window_save_state (window);
 996                 }
 997
 998                 win = g_list_next (win);
 999         }
1000 }
1001
1002 static gboolean
1003 idle_top_modal (gpointer data)
1004 {
1005         ModestWindowMgr *self = MODEST_WINDOW_MGR (data);
1006         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1007         GtkWindow *topmost;
1008
1009         /* Get the top modal */
1010         g_mutex_lock (priv->queue_lock);
1011         topmost = (GtkWindow *) g_queue_peek_head (priv->modal_windows);
1012         g_mutex_unlock (priv->queue_lock);
1013
1014         /* Show it */
1015         if (topmost)
1016                 gtk_window_present (topmost);
1017
1018         return FALSE;
1019 }
1020
1021 static void
1022 remove_modal_from_queue (GtkWidget *widget,
1023                          ModestWindowMgr *self)
1024 {
1025         ModestWindowMgrPrivate *priv;
1026         GList *item = NULL;
1027
1028         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1029
1030         /* Remove from queue. We don't use remove, because we want to
1031            exit if the widget does not belong to the queue */
1032         g_mutex_lock (priv->queue_lock);
1033         item = g_queue_find (priv->modal_windows, widget);
1034         if (!item) {
1035                 g_warning ("Trying to remove a modal window that is not registered");
1036                 g_mutex_unlock (priv->queue_lock);
1037                 return;
1038         }
1039         g_queue_unlink (priv->modal_windows, item);
1040         g_mutex_unlock (priv->queue_lock);
1041
1042         /* Disconnect handler */
1043         priv->modal_handler_uids =
1044                 modest_signal_mgr_disconnect (priv->modal_handler_uids,
1045                                               G_OBJECT (widget),
1046                                               GTK_IS_DIALOG (widget) ?
1047                                               "response" :
1048                                               "destroy-event");
1049
1050         /* Schedule the next one for being shown */
1051         g_idle_add (idle_top_modal, self);
1052 }
1053
1054 static gboolean
1055 on_modal_window_close (GtkWidget *widget,
1056                        GdkEvent *event,
1057                        gpointer user_data)
1058 {
1059         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1060
1061         /* Remove modal window from queue */
1062         remove_modal_from_queue (widget, self);
1063
1064         /* Continue */
1065         return FALSE;
1066 }
1067
1068 static void
1069 on_modal_dialog_close (GtkDialog *dialog,
1070                        gint arg1,
1071                        gpointer user_data)
1072 {
1073         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1074
1075         /* Remove modal window from queue */
1076         remove_modal_from_queue (GTK_WIDGET (dialog), self);
1077 }
1078
1079 gint
1080 modest_window_mgr_num_windows (ModestWindowMgr *self)
1081 {
1082         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(self);
1083         gint num_windows = 0;
1084
1085         if (priv->window_list)
1086                 num_windows = g_list_length (priv->window_list);
1087
1088         return num_windows;
1089 }