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 gboolean on_modal_window_close    (GtkWidget *widget,
  51                                           GdkEvent *event,
  52                                           gpointer user_data);
  53
  54 static void     on_modal_dialog_close    (GtkDialog *dialog,
  55                                           gint arg1,
  56                                           gpointer user_data);
  57
  58 static const gchar* get_show_toolbar_key (GType window_type,
  59                                           gboolean fullscreen);
  60
  61 /* list my signals  */
  62 enum {
  63         /* MY_SIGNAL_1, */
  64         /* MY_SIGNAL_2, */
  65         LAST_SIGNAL
  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[LAST_SIGNAL] = {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 static void
 134 modest_window_mgr_init (ModestWindowMgr *obj)
 135 {
 136         ModestWindowMgrPrivate *priv;
 137
 138         priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 139         priv->window_list = NULL;
 140         priv->main_window = NULL;
 141         priv->fullscreen_mode = FALSE;
 142
 143         priv->modal_windows = g_queue_new ();
 144         priv->queue_lock = g_mutex_new ();
 145
 146         priv->preregistered_uids = NULL;
 147
 148         /* Could not initialize it from gconf, singletons are not
 149            ready yet */
 150         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 151         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 152
 153         priv->closing_time = 0;
 154
 155         priv->modal_handler_uids = NULL;
 156 }
 157
 158 static void
 159 modest_window_mgr_finalize (GObject *obj)
 160 {
 161         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 162
 163         if (priv->window_list) {
 164                 GList *iter = priv->window_list;
 165                 /* unregister pending windows */
 166                 while (iter) {
 167                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj),
 168                                                              MODEST_WINDOW (iter->data));
 169                         iter = g_list_next (iter);
 170                 }
 171                 g_list_free (priv->window_list);
 172                 priv->window_list = NULL;
 173         }
 174
 175         g_slist_foreach (priv->preregistered_uids, (GFunc)g_free, NULL);
 176         g_slist_free (priv->preregistered_uids);
 177
 178
 179         /* Free the hash table with the handlers */
 180         if (priv->destroy_handlers) {
 181                 g_hash_table_destroy (priv->destroy_handlers);
 182                 priv->destroy_handlers = NULL;
 183         }
 184
 185         if (priv->viewer_handlers) {
 186                 g_hash_table_destroy (priv->viewer_handlers);
 187                 priv->viewer_handlers = NULL;
 188         }
 189
 190         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 191
 192         if (priv->modal_windows) {
 193                 g_mutex_lock (priv->queue_lock);
 194                 g_queue_free (priv->modal_windows);
 195                 priv->modal_windows = NULL;
 196                 g_mutex_unlock (priv->queue_lock);
 197         }
 198         g_mutex_free (priv->queue_lock);
 199
 200         /* Do not unref priv->main_window because it does not hold a
 201            new reference */
 202
 203
 204         G_OBJECT_CLASS(parent_class)->finalize (obj);
 205 }
 206
 207 ModestWindowMgr*
 208 modest_window_mgr_new (void)
 209 {
 210         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_WINDOW_MGR, NULL));
 211 }
 212
 213
 214
 215
 216 /* do we have uid? */
 217 static gboolean
 218 has_uid (GSList *list, const gchar *uid)
 219 {
 220         GSList *cursor = list;
 221
 222         if (!uid)
 223                 return FALSE;
 224
 225         while (cursor) {
 226                 if (cursor->data && strcmp (cursor->data, uid) == 0)
 227                         return TRUE;
 228                 cursor = g_slist_next (cursor);
 229         }
 230         return FALSE;
 231 }
 232
 233
 234 /* remove all from the list have have uid = uid */
 235 static GSList*
 236 remove_uid (GSList *list, const gchar *uid)
 237 {
 238         GSList *cursor = list, *start = list;
 239
 240         if (!uid)
 241                 return FALSE;
 242
 243         while (cursor) {
 244                 GSList *next = g_slist_next (cursor);
 245                 if (cursor->data && strcmp (cursor->data, uid) == 0) {
 246                         g_free (cursor->data);
 247                         start = g_slist_delete_link (start, cursor);
 248                 }
 249                 cursor = next;
 250         }
 251         return start;
 252 }
 253
 254
 255 static GSList *
 256 append_uid (GSList *list, const gchar *uid)
 257 {
 258         return g_slist_append (list, g_strdup(uid));
 259 }
 260
 261
 262
 263 void
 264 modest_window_mgr_register_header (ModestWindowMgr *self,  TnyHeader *header, const gchar *alt_uid)
 265 {
 266         ModestWindowMgrPrivate *priv;
 267         gchar* uid;
 268
 269         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 270         g_return_if_fail (TNY_IS_HEADER(header));
 271
 272         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 273         uid = modest_tny_folder_get_header_unique_id (header);
 274
 275         if (uid == NULL)
 276                 uid = g_strdup (alt_uid);
 277
 278         if (!has_uid (priv->preregistered_uids, uid)) {
 279                 g_debug ("registering new uid %s", uid);
 280                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 281         } else
 282                 g_debug ("already had uid %s", uid);
 283
 284         g_free (uid);
 285 }
 286
 287 void
 288 modest_window_mgr_unregister_header (ModestWindowMgr *self,  TnyHeader *header)
 289 {
 290         ModestWindowMgrPrivate *priv;
 291         gchar* uid;
 292
 293         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 294         g_return_if_fail (TNY_IS_HEADER(header));
 295
 296         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 297         uid = modest_tny_folder_get_header_unique_id (header);
 298
 299         if (!has_uid (priv->preregistered_uids, uid)) {
 300                 g_debug ("trying to unregister non-existing uid %s", uid);
 301                 priv->preregistered_uids = append_uid (priv->preregistered_uids, uid);
 302         } else
 303                 g_debug ("unregistering uid %s", uid);
 304
 305         if (has_uid (priv->preregistered_uids, uid)) {
 306                 priv->preregistered_uids = remove_uid (priv->preregistered_uids, uid);
 307                 if (has_uid (priv->preregistered_uids, uid))
 308                         g_debug ("BUG: uid %s NOT removed", uid);
 309                 else
 310                         g_debug ("uid %s removed", uid);
 311         }
 312
 313         g_free (uid);
 314 }
 315
 316 static gint
 317 compare_msguids (ModestWindow *win,
 318                  const gchar *uid)
 319 {
 320         const gchar *msg_uid;
 321
 322         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 323                 return 1;
 324
 325         /* Get message uid from msg window */
 326         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 327                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 328                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 329                         return 0;
 330         } else {
 331                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 332         }
 333
 334         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 335                 return 0;
 336         else
 337                 return 1;
 338 }
 339
 340 void
 341 modest_window_mgr_close_all_windows (ModestWindowMgr *self)
 342 {
 343         ModestWindowMgrPrivate *priv = NULL;
 344         GList *wins = NULL;
 345         gboolean ret_value = FALSE;
 346
 347         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 348         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 349
 350         /* delete-event handler already removes window_list item, */
 351         /* so no next its required on this loop  */
 352         wins = priv->window_list;
 353         while (wins) {
 354                 g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 355
 356                 wins = priv->window_list;
 357         }
 358 }
 359
 360
 361 gboolean
 362 modest_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 363                                           ModestWindow **win)
 364 {
 365         ModestWindowMgrPrivate *priv = NULL;
 366         gchar* uid = NULL;
 367         gboolean has_header, has_window = FALSE;
 368         GList *item = NULL;
 369
 370         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 371         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 372
 373         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 374
 375         uid = modest_tny_folder_get_header_unique_id (header);
 376
 377         if (win)
 378                 *win = NULL;
 379
 380         has_header = has_uid (priv->preregistered_uids, uid);
 381
 382         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 383         if (item) {
 384                 has_window = TRUE;
 385                 if (win) {
 386                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 387                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 388                                 g_debug ("not a valid window!");
 389                         else {
 390                                 g_debug ("found a window");
 391                                 *win = MODEST_WINDOW (item->data);
 392                         }
 393                 }
 394         }
 395         g_free (uid);
 396
 397         return has_header || has_window;
 398 }
 399
 400 static const gchar *
 401 get_show_toolbar_key (GType window_type,
 402                       gboolean fullscreen)
 403 {
 404         const gchar *key = NULL;
 405
 406         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 407                 key = (fullscreen) ?
 408                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 409                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 410         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 411                 key = (fullscreen) ?
 412                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 413                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 414         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 415                 key = (fullscreen) ?
 416                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 417                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 418         else
 419                 g_return_val_if_reached (NULL);
 420
 421         return key;
 422 }
 423
 424 void
 425 modest_window_mgr_register_window (ModestWindowMgr *self,
 426                                    ModestWindow *window)
 427 {
 428         GList *win;
 429         ModestWindowMgrPrivate *priv;
 430         gint *handler_id;
 431         const gchar *key;
 432
 433         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 434         g_return_if_fail (GTK_IS_WINDOW (window));
 435
 436         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 437
 438         win = g_list_find (priv->window_list, window);
 439         if (win) {
 440                 g_warning ("%s: trying to re-register a window",
 441                            __FUNCTION__);
 442                 return;
 443         }
 444
 445         /* Check that it's not a second main window */
 446         if (MODEST_IS_MAIN_WINDOW (window)) {
 447                 if (priv->main_window) {
 448                         g_warning ("%s: trying to register a second main window",
 449                                    __FUNCTION__);
 450                         return;
 451                 } else {
 452                         priv->main_window = window;
 453                 }
 454         }
 455
 456         /* remove from the list of pre-registered uids */
 457         if (MODEST_IS_MSG_VIEW_WINDOW(window)) {
 458                 const gchar *uid = modest_msg_view_window_get_message_uid
 459                         (MODEST_MSG_VIEW_WINDOW (window));
 460
 461                 if (!has_uid (priv->preregistered_uids, uid))
 462                         g_debug ("weird: no uid for window (%s)", uid);
 463
 464                 g_debug ("registering window for %s", uid ? uid : "<none>");
 465
 466                 priv->preregistered_uids =
 467                         remove_uid (priv->preregistered_uids,
 468                                     modest_msg_view_window_get_message_uid
 469                                     (MODEST_MSG_VIEW_WINDOW (window)));
 470         } else if (MODEST_IS_MSG_EDIT_WINDOW(window)) {
 471                 const gchar *uid = modest_msg_edit_window_get_message_uid
 472                         (MODEST_MSG_EDIT_WINDOW (window));
 473
 474                 g_debug ("registering window for %s", uid);
 475
 476                 priv->preregistered_uids =
 477                         remove_uid (priv->preregistered_uids,
 478                                     modest_msg_edit_window_get_message_uid
 479                                     (MODEST_MSG_EDIT_WINDOW (window)));
 480         }
 481
 482         /* Add to list. Keep a reference to the window */
 483         g_object_ref (window);
 484         priv->window_list = g_list_prepend (priv->window_list, window);
 485
 486         /* Listen to object destruction */
 487         handler_id = g_malloc0 (sizeof (gint));
 488         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 489         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 490
 491         /* If there is a msg view window, let the main window listen the msg-changed signal */
 492         if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
 493                 gulong *handler;
 494                 handler = g_malloc0 (sizeof (gulong));
 495                 *handler = g_signal_connect (window, "msg-changed",
 496                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 497                                              priv->main_window);
 498                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 499         }
 500
 501         /* Put into fullscreen if needed */
 502         if (priv->fullscreen_mode)
 503                 gtk_window_fullscreen (GTK_WINDOW (window));
 504
 505         /* Show/hide toolbar & fullscreen */
 506         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 507         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 508 }
 509
 510 static gboolean
 511 on_window_destroy (ModestWindow *window,
 512                    GdkEvent *event,
 513                    ModestWindowMgr *self)
 514 {
 515         /* Specific stuff first */
 516         if (MODEST_IS_MAIN_WINDOW (window)) {
 517                 ModestWindowMgrPrivate *priv;
 518                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 519
 520                 /* If more than one window already opened */
 521                 if (g_list_length (priv->window_list) > 1) {
 522
 523                         /* If the user wants to close all the windows */
 524                         if (modest_main_window_close_all (MODEST_MAIN_WINDOW (window))) {
 525                                 GList *iter = priv->window_list;
 526                                 do {
 527                                         if (iter->data != window) {
 528                                                 GList *tmp = iter->next;
 529                                                 on_window_destroy (MODEST_WINDOW (iter->data),
 530                                                                    event,
 531                                                                    self);
 532                                                 iter = tmp;
 533                                         } else {
 534                                                 iter = g_list_next (iter);
 535                                         }
 536                                 } while (iter);
 537                         }
 538                 }
 539         }
 540         else {
 541                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 542                         gboolean sent = FALSE;
 543                         gint response = GTK_RESPONSE_ACCEPT;
 544                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 545                         /* Save currently edited message to Drafts if it was not sent */
 546                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 547
 548                                 /* Raise the window if it's minimized */
 549                                 if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window)))
 550                                         gtk_window_present (GTK_WINDOW (window));
 551
 552                                 response =
 553                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 554                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 555                                 /* Save to drafts */
 556                                 if (response != GTK_RESPONSE_CANCEL)
 557                                         modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window));
 558                         }
 559                 }
 560         }
 561
 562         /* Unregister window */
 563         modest_window_mgr_unregister_window (self, window);
 564
 565         return FALSE;
 566 }
 567
 568 static void
 569 disconnect_msg_changed (gpointer key,
 570                         gpointer value,
 571                         gpointer user_data)
 572 {
 573         guint handler_id;
 574         handler_id = GPOINTER_TO_UINT(value);
 575
 576         if (key && G_IS_OBJECT(key))
 577                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 578 }
 579
 580
 581
 582 /* interval before retrying to close the application */
 583 #define CLOSING_RETRY_INTERVAL 3000
 584 /* interval before cancel whatever is left in the queue, and closing anyway */
 585 #define MAX_WAIT_FOR_CLOSING 30 * 1000
 586
 587 static gboolean
 588 on_quit_maybe (ModestWindowMgr *self)
 589 {
 590         ModestWindowMgrPrivate *priv;
 591         guint queue_num;
 592
 593         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 594
 595         /* it seems, in the meantime some windows were
 596          * created. in that case, stop  'on_quit_maybe' */
 597         if (priv->window_list) {
 598                 priv->closing_time = 0;
 599                 return FALSE;
 600         }
 601
 602         if (priv->closing_time >= MAX_WAIT_FOR_CLOSING) {
 603                 /* we waited long enough: cancel all remaining operations */
 604                 g_debug ("%s: we waited long enough (%ds), cancelling queue and quiting",
 605                          __FUNCTION__, priv->closing_time/1000);
 606                 /* FIXME: below gives me a lot of:
 607                  * GLIB CRITICAL ** default - modest_mail_operation_cancel:
 608                  *                     assertion `priv->account' failed
 609                  * which means there is no account for the given operation
 610                  * so, we're not trying to be nice, we're just quiting.
 611                  */
 612                 //modest_mail_operation_queue_cancel_all
 613                 //      (modest_runtime_get_mail_operation_queue());
 614         } else {
 615
 616                 /* if there is anything left in our operation queue,
 617                  * wait another round
 618                  */
 619                 queue_num = modest_mail_operation_queue_num_elements
 620                         (modest_runtime_get_mail_operation_queue());
 621                 if  (queue_num > 0) {
 622                         g_debug ("%s: waiting, there are still %d operation(s) queued",
 623                                  __FUNCTION__, queue_num);
 624                         priv->closing_time += CLOSING_RETRY_INTERVAL;
 625                         return TRUE;
 626                 }
 627         }
 628
 629         /* so: no windows left, nothing in the queue: quit */
 630         priv->closing_time = 0;
 631         gtk_main_quit ();
 632         return FALSE;
 633 }
 634
 635
 636 void
 637 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 638                                      ModestWindow *window)
 639 {
 640         GList *win;
 641         ModestWindowMgrPrivate *priv;
 642         gulong *tmp, handler_id;
 643
 644         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 645         g_return_if_fail (MODEST_IS_WINDOW (window));
 646
 647         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 648
 649         win = g_list_find (priv->window_list, window);
 650         if (!win) {
 651                 g_warning ("Trying to unregister a window that has not being registered yet");
 652                 return;
 653         }
 654
 655         /* If it's the main window unset it */
 656         if (priv->main_window == window) {
 657                 priv->main_window = NULL;
 658
 659                 /* Disconnect all emissions of msg-changed */
 660                 if (priv->viewer_handlers) {
 661                         g_hash_table_foreach (priv->viewer_handlers,
 662                                               disconnect_msg_changed,
 663                                               NULL);
 664                         g_hash_table_destroy (priv->viewer_handlers);
 665                         priv->viewer_handlers = NULL;
 666                 }
 667         }
 668
 669         /* Remove the viewer window handler from the hash table. The
 670            HashTable could not exist if the main window was closeed
 671            when there were other windows remaining */
 672         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 673                 /* If the viewer was created without a main window
 674                    (for example when opening a message through D-Bus
 675                    the viewer handlers was not registered */
 676                 if (tmp) {
 677                         g_signal_handler_disconnect (window, *tmp);
 678                         g_hash_table_remove (priv->viewer_handlers, window);
 679                 }
 680         }
 681
 682         /* Save state */
 683         modest_window_save_state (window);
 684
 685         /* Remove from list & hash table */
 686         priv->window_list = g_list_remove_link (priv->window_list, win);
 687         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 688         handler_id = *tmp;
 689         g_hash_table_remove (priv->destroy_handlers, window);
 690
 691         /* Disconnect the "delete-event" handler, we won't need it anymore */
 692         g_signal_handler_disconnect (window, handler_id);
 693
 694         /* Disconnect all the window signals */
 695         modest_window_disconnect_signals (window);
 696
 697         /* Destroy the window */
 698         gtk_widget_destroy (win->data);
 699
 700         /* If there are no more windows registered then exit program */
 701         if (priv->window_list == NULL)
 702                 g_timeout_add (CLOSING_RETRY_INTERVAL,
 703                                (GSourceFunc)on_quit_maybe, self);
 704 }
 705
 706
 707
 708 void
 709 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 710                                        gboolean on)
 711 {
 712         ModestWindowMgrPrivate *priv;
 713         GList *win = NULL;
 714         ModestConf *conf;
 715
 716         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 717
 718         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 719
 720         /* If there is no change do nothing */
 721         if (priv->fullscreen_mode == on)
 722                 return;
 723
 724         priv->fullscreen_mode = on;
 725
 726         conf = modest_runtime_get_conf ();
 727
 728         /* Update windows */
 729         win = priv->window_list;
 730         while (win) {
 731                 gboolean show;
 732                 const gchar *key = NULL;
 733
 734                 /* Getting this from gconf everytime is not that
 735                    expensive, we'll do it just a few times */
 736                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 737                 show = modest_conf_get_bool (conf, key, NULL);
 738
 739                 /* Set fullscreen/unfullscreen */
 740                 if (on)
 741                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 742                 else
 743                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 744
 745                 /* Show/Hide toolbar */
 746                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 747
 748                 win = g_list_next (win);
 749         }
 750 }
 751
 752 gboolean
 753 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 754 {
 755         ModestWindowMgrPrivate *priv;
 756
 757         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 758
 759         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 760
 761         return priv->fullscreen_mode;
 762 }
 763
 764 void
 765 modest_window_mgr_show_toolbars (ModestWindowMgr *self,
 766                                  GType window_type,
 767                                  gboolean show_toolbars,
 768                                  gboolean fullscreen)
 769 {
 770         ModestWindowMgrPrivate *priv;
 771         ModestConf *conf;
 772         const gchar *key = NULL;
 773
 774         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 775
 776         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 777         conf = modest_runtime_get_conf ();
 778
 779         /* If nothing changes then return */
 780         key = get_show_toolbar_key (window_type, fullscreen);
 781         conf = modest_runtime_get_conf ();
 782         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 783                 return;
 784
 785         /* Save in conf */
 786         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 787
 788         /* Apply now if the view mode is the right one */
 789         if ((fullscreen && priv->fullscreen_mode) ||
 790             (!fullscreen && !priv->fullscreen_mode)) {
 791
 792                 GList *win = priv->window_list;
 793
 794                 while (win) {
 795                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 796                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 797                                                             show_toolbars);
 798                         win = g_list_next (win);
 799                 }
 800         }
 801 }
 802
 803 ModestWindow*
 804 modest_window_mgr_get_main_window (ModestWindowMgr *self)
 805 {
 806         ModestWindowMgrPrivate *priv;
 807
 808         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 809         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 810
 811         /* create the main window, if it hasn't been created yet */
 812         if (!priv->main_window) {
 813                 /* modest_window_mgr_register_window will set priv->main_window */
 814                 modest_window_mgr_register_window (self, modest_main_window_new ());
 815                 g_debug ("%s: created main window: %p\n", __FUNCTION__, priv->main_window);
 816         }
 817
 818         return priv->main_window;
 819 }
 820
 821
 822 GtkWindow *
 823 modest_window_mgr_get_modal (ModestWindowMgr *self)
 824 {
 825         ModestWindowMgrPrivate *priv;
 826
 827         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 828         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 829
 830         return g_queue_peek_head (priv->modal_windows);
 831 }
 832
 833
 834 void
 835 modest_window_mgr_set_modal (ModestWindowMgr *self,
 836                              GtkWindow *window)
 837 {
 838         GtkWindow *old_modal;
 839         ModestWindowMgrPrivate *priv;
 840
 841         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 842         g_return_if_fail (GTK_IS_WINDOW (window));
 843
 844         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 845         g_mutex_lock (priv->queue_lock);
 846         old_modal = g_queue_peek_head (priv->modal_windows);
 847         g_mutex_unlock (priv->queue_lock);
 848
 849         if (!old_modal) {
 850                 gtk_window_set_modal (window, TRUE);
 851         } else {
 852                 /* un-modalize the old one; the one on top should be the
 853                  * modal one */
 854                 gtk_window_set_transient_for (window, GTK_WINDOW(old_modal));
 855                 gtk_window_set_modal (window, TRUE);
 856         }
 857
 858         /* this will be the new modal window */
 859         g_mutex_lock (priv->queue_lock);
 860         g_queue_push_head (priv->modal_windows, window);
 861         g_mutex_unlock (priv->queue_lock);
 862
 863         if (GTK_IS_DIALOG (window))
 864                 /* Note that response is not always enough because it
 865                    could be captured and removed easily by dialogs but
 866                    works for most of situations */
 867                 priv->modal_handler_uids =
 868                         modest_signal_mgr_connect (priv->modal_handler_uids,
 869                                                    G_OBJECT (window),
 870                                                    "response",
 871                                                    G_CALLBACK (on_modal_dialog_close),
 872                                                    self);
 873         else
 874                 priv->modal_handler_uids =
 875                         modest_signal_mgr_connect (priv->modal_handler_uids,
 876                                                    G_OBJECT (window),
 877                                                    "delete-event",
 878                                                    G_CALLBACK (on_modal_window_close),
 879                                                    self);
 880 }
 881
 882
 883 static void
 884 on_nonhibernating_window_hide(GtkWidget *widget, gpointer user_data)
 885 {
 886         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 887         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 888
 889         /* Forget this window,
 890          * so hibernation will be allowed again if no windows are remembered: */
 891         priv->windows_that_prevent_hibernation =
 892                 g_slist_remove (priv->windows_that_prevent_hibernation, GTK_WINDOW(widget));
 893 }
 894
 895 static void
 896 on_nonhibernating_window_show(GtkWidget *widget, gpointer user_data)
 897 {
 898         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 899         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 900
 901         GtkWindow *window = GTK_WINDOW (widget);
 902
 903         priv->windows_that_prevent_hibernation =
 904                         g_slist_append (priv->windows_that_prevent_hibernation, window);
 905
 906         /* Allow hibernation again when the window has been hidden: */
 907         g_signal_connect (window, "hide",
 908                 G_CALLBACK (on_nonhibernating_window_hide), self);
 909 }
 910
 911 void
 912 modest_window_mgr_prevent_hibernation_while_window_is_shown (ModestWindowMgr *self,
 913                                                                   GtkWindow *window)
 914 {
 915         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 916
 917         if (GTK_WIDGET_VISIBLE(window)) {
 918                 on_nonhibernating_window_show (GTK_WIDGET (window), self);
 919         } else {
 920                 /* Wait for it to be shown: */
 921                 g_signal_connect (window, "show",
 922                         G_CALLBACK (on_nonhibernating_window_show), self);
 923         }
 924 }
 925
 926 gboolean
 927 modest_window_mgr_get_hibernation_is_prevented (ModestWindowMgr *self)
 928 {
 929         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 930
 931         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 932
 933         /* Prevent hibernation if any open windows are currently
 934          * preventing hibernation: */
 935         return (g_slist_length (priv->windows_that_prevent_hibernation) > 0);
 936 }
 937
 938
 939 void
 940 modest_window_mgr_save_state_for_all_windows (ModestWindowMgr *self)
 941 {
 942         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 943
 944         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 945
 946         /* Iterate over all windows */
 947         GList *win = priv->window_list;
 948         while (win) {
 949                 ModestWindow *window = MODEST_WINDOW (win->data);
 950                 if (window) {
 951                         /* This calls the vfunc,
 952                          * so each window can do its own thing: */
 953                         modest_window_save_state (window);
 954                 }
 955
 956                 win = g_list_next (win);
 957         }
 958 }
 959
 960 static gboolean
 961 idle_top_modal (gpointer data)
 962 {
 963         ModestWindowMgr *self = MODEST_WINDOW_MGR (data);
 964         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 965         GtkWindow *topmost;
 966
 967         /* Get the top modal */
 968         g_mutex_lock (priv->queue_lock);
 969         topmost = (GtkWindow *) g_queue_peek_head (priv->modal_windows);
 970         g_mutex_unlock (priv->queue_lock);
 971
 972         /* Show it */
 973         if (topmost)
 974                 gtk_window_present (topmost);
 975
 976         return FALSE;
 977 }
 978
 979 static void
 980 remove_modal_from_queue (GtkWidget *widget,
 981                          ModestWindowMgr *self)
 982 {
 983         ModestWindowMgrPrivate *priv;
 984         GList *item = NULL;
 985
 986         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 987
 988         /* Remove from queue. We don't use remove, because we want to
 989            exit if the widget does not belong to the queue */
 990         g_mutex_lock (priv->queue_lock);
 991         item = g_queue_find (priv->modal_windows, widget);
 992         if (!item) {
 993                 g_warning ("Trying to remove a modal window that is not registered");
 994                 g_mutex_unlock (priv->queue_lock);
 995                 return;
 996         }
 997         g_queue_unlink (priv->modal_windows, item);
 998         g_mutex_unlock (priv->queue_lock);
 999
1000         /* Disconnect handler */
1001         priv->modal_handler_uids =
1002                 modest_signal_mgr_disconnect (priv->modal_handler_uids,
1003                                               G_OBJECT (widget),
1004                                               GTK_IS_DIALOG (widget) ?
1005                                               "response" :
1006                                               "destroy-event");
1007
1008         /* Schedule the next one for being shown */
1009         g_idle_add (idle_top_modal, self);
1010 }
1011
1012 static gboolean
1013 on_modal_window_close (GtkWidget *widget,
1014                        GdkEvent *event,
1015                        gpointer user_data)
1016 {
1017         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1018
1019         /* Remove modal window from queue */
1020         remove_modal_from_queue (widget, self);
1021
1022         /* Continue */
1023         return FALSE;
1024 }
1025
1026 static void
1027 on_modal_dialog_close (GtkDialog *dialog,
1028                        gint arg1,
1029                        gpointer user_data)
1030 {
1031         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1032
1033         /* Remove modal window from queue */
1034         remove_modal_from_queue (GTK_WIDGET (dialog), self);
1035 }
1036