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
 317 #define MODEST_WINDOW_HELP_ID_PARAM "help-id"
 318
 319 void
 320 modest_window_mgr_register_help_id (ModestWindowMgr *self, GtkWindow *win, const gchar* help_id)
 321 {
 322         /* we don't need 'self', but for API consistency... */
 323         g_return_if_fail (self && MODEST_IS_WINDOW_MGR(self));
 324
 325         g_return_if_fail (win && GTK_IS_WINDOW(win));
 326         g_return_if_fail (help_id);
 327
 328         g_object_set_data_full (G_OBJECT(win), MODEST_WINDOW_HELP_ID_PARAM,
 329                                 g_strdup(help_id), g_free);
 330 }
 331
 332
 333 const gchar*
 334 modest_window_mgr_get_help_id (ModestWindowMgr *self, GtkWindow *win)
 335 {
 336         const gchar* help_id = NULL;
 337
 338         /* we don't need 'self', but for API consistency... */
 339         g_return_val_if_fail (self && MODEST_IS_WINDOW_MGR(self), NULL);
 340
 341         g_return_val_if_fail (win, NULL);
 342         g_return_val_if_fail (GTK_IS_WINDOW(win), NULL);
 343
 344         if (MODEST_IS_MAIN_WINDOW (win)) {
 345                 GtkWidget *folder_view;
 346                 TnyFolderStore *folder_store;
 347
 348                 /* Get selected folder */
 349                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
 350                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
 351                 folder_store = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
 352
 353                 /* Switch help_id */
 354                 if (folder_store && TNY_IS_FOLDER (folder_store)) {
 355                         help_id = modest_tny_folder_get_help_id (TNY_FOLDER (folder_store));
 356                         if (!help_id)
 357                                 g_warning ("%s: BUG: did not get a valid help_id", __FUNCTION__);
 358                 }
 359                 if (folder_store)
 360                         g_object_unref (folder_store);
 361         }
 362
 363         if (!help_id)
 364                 help_id = g_object_get_data (G_OBJECT(win), MODEST_WINDOW_HELP_ID_PARAM);
 365
 366         return help_id;
 367 }
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378 static gint
 379 compare_msguids (ModestWindow *win,
 380                  const gchar *uid)
 381 {
 382         const gchar *msg_uid;
 383
 384         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 385                 return 1;
 386
 387         /* Get message uid from msg window */
 388         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 389                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 390                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 391                         return 0;
 392         } else {
 393                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 394         }
 395
 396         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 397                 return 0;
 398         else
 399                 return 1;
 400 }
 401
 402 void
 403 modest_window_mgr_close_all_windows (ModestWindowMgr *self)
 404 {
 405         ModestWindowMgrPrivate *priv = NULL;
 406         GList *wins = NULL;
 407         gboolean ret_value = FALSE;
 408
 409         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 410         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 411
 412         /* delete-event handler already removes window_list item, */
 413         /* so no next its required on this loop  */
 414         wins = priv->window_list;
 415         while (wins) {
 416                 g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 417
 418                 wins = priv->window_list;
 419         }
 420 }
 421
 422
 423 gboolean
 424 modest_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 425                                           ModestWindow **win)
 426 {
 427         ModestWindowMgrPrivate *priv = NULL;
 428         gchar* uid = NULL;
 429         gboolean has_header, has_window = FALSE;
 430         GList *item = NULL;
 431
 432         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 433         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 434
 435         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 436
 437         uid = modest_tny_folder_get_header_unique_id (header);
 438
 439         if (win)
 440                 *win = NULL;
 441
 442         has_header = has_uid (priv->preregistered_uids, uid);
 443
 444         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 445         if (item) {
 446                 has_window = TRUE;
 447                 if (win) {
 448                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 449                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 450                                 g_debug ("not a valid window!");
 451                         else {
 452                                 g_debug ("found a window");
 453                                 *win = MODEST_WINDOW (item->data);
 454                         }
 455                 }
 456         }
 457         g_free (uid);
 458
 459         return has_header || has_window;
 460 }
 461
 462 static const gchar *
 463 get_show_toolbar_key (GType window_type,
 464                       gboolean fullscreen)
 465 {
 466         const gchar *key = NULL;
 467
 468         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 469                 key = (fullscreen) ?
 470                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 471                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 472         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 473                 key = (fullscreen) ?
 474                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 475                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 476         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 477                 key = (fullscreen) ?
 478                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 479                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 480         else
 481                 g_return_val_if_reached (NULL);
 482
 483         return key;
 484 }
 485
 486 void
 487 modest_window_mgr_register_window (ModestWindowMgr *self,
 488                                    ModestWindow *window)
 489 {
 490         GList *win;
 491         ModestWindowMgrPrivate *priv;
 492         gint *handler_id;
 493         const gchar *key;
 494
 495         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 496         g_return_if_fail (GTK_IS_WINDOW (window));
 497
 498         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 499
 500         win = g_list_find (priv->window_list, window);
 501         if (win) {
 502                 g_warning ("%s: trying to re-register a window",
 503                            __FUNCTION__);
 504                 return;
 505         }
 506
 507         /* Check that it's not a second main window */
 508         if (MODEST_IS_MAIN_WINDOW (window)) {
 509                 if (priv->main_window) {
 510                         g_warning ("%s: trying to register a second main window",
 511                                    __FUNCTION__);
 512                         return;
 513                 } else {
 514                         priv->main_window = window;
 515                 }
 516         }
 517
 518         /* remove from the list of pre-registered uids */
 519         if (MODEST_IS_MSG_VIEW_WINDOW(window)) {
 520                 const gchar *uid = modest_msg_view_window_get_message_uid
 521                         (MODEST_MSG_VIEW_WINDOW (window));
 522
 523                 if (!has_uid (priv->preregistered_uids, uid))
 524                         g_debug ("weird: no uid for window (%s)", uid);
 525
 526                 g_debug ("registering window for %s", uid ? uid : "<none>");
 527
 528                 priv->preregistered_uids =
 529                         remove_uid (priv->preregistered_uids,
 530                                     modest_msg_view_window_get_message_uid
 531                                     (MODEST_MSG_VIEW_WINDOW (window)));
 532         } else if (MODEST_IS_MSG_EDIT_WINDOW(window)) {
 533                 const gchar *uid = modest_msg_edit_window_get_message_uid
 534                         (MODEST_MSG_EDIT_WINDOW (window));
 535
 536                 g_debug ("registering window for %s", uid);
 537
 538                 priv->preregistered_uids =
 539                         remove_uid (priv->preregistered_uids,
 540                                     modest_msg_edit_window_get_message_uid
 541                                     (MODEST_MSG_EDIT_WINDOW (window)));
 542         }
 543
 544         /* Add to list. Keep a reference to the window */
 545         g_object_ref (window);
 546         priv->window_list = g_list_prepend (priv->window_list, window);
 547
 548         /* Listen to object destruction */
 549         handler_id = g_malloc0 (sizeof (gint));
 550         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 551         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 552
 553         /* If there is a msg view window, let the main window listen the msg-changed signal */
 554         if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
 555                 gulong *handler;
 556                 handler = g_malloc0 (sizeof (gulong));
 557                 *handler = g_signal_connect (window, "msg-changed",
 558                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 559                                              priv->main_window);
 560                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 561         }
 562
 563         /* Put into fullscreen if needed */
 564         if (priv->fullscreen_mode)
 565                 gtk_window_fullscreen (GTK_WINDOW (window));
 566
 567         /* Show/hide toolbar & fullscreen */
 568         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 569         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 570 }
 571
 572 static gboolean
 573 on_window_destroy (ModestWindow *window,
 574                    GdkEvent *event,
 575                    ModestWindowMgr *self)
 576 {
 577         gint dialog_response = GTK_RESPONSE_NONE;
 578
 579         /* Specific stuff first */
 580         if (MODEST_IS_MAIN_WINDOW (window)) {
 581                 ModestWindowMgrPrivate *priv;
 582                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 583
 584                 /* If more than one window already opened */
 585                 if (g_list_length (priv->window_list) > 1) {
 586
 587                         /* Create the confirmation dialog MSG-NOT308 */
 588                         dialog_response = modest_platform_run_confirmation_dialog (
 589                                         GTK_WINDOW (window), _("emev_nc_close_windows"));
 590
 591                         /* If the user wants to close all the windows */
 592                         if ((dialog_response == GTK_RESPONSE_OK)
 593                                         || (dialog_response == GTK_RESPONSE_ACCEPT)
 594                                         || (dialog_response == GTK_RESPONSE_YES))
 595                                 {
 596                                         GList *iter = priv->window_list;
 597                                         do {
 598                                                 if (iter->data != window) {
 599                                                         GList *tmp = iter->next;
 600                                                         on_window_destroy (MODEST_WINDOW (iter->data),
 601                                                                         event,
 602                                                                         self);
 603                                                         iter = tmp;
 604                                                 } else {
 605                                                         iter = g_list_next (iter);
 606                                                 }
 607                                         } while (iter);
 608                                 }
 609                         else
 610                                 {
 611                                         return TRUE;
 612                                 }
 613                 }
 614         }
 615         else {
 616                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 617                         gboolean sent = FALSE;
 618                         gint response = GTK_RESPONSE_ACCEPT;
 619                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 620                         /* Save currently edited message to Drafts if it was not sent */
 621                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 622
 623                                 /* Raise the window if it's minimized */
 624                                 if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window)))
 625                                         gtk_window_present (GTK_WINDOW (window));
 626
 627                                 response =
 628                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 629                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 630                                 /* Save to drafts */
 631                                 if (response != GTK_RESPONSE_CANCEL)
 632                                         modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window));
 633                         }
 634                 }
 635         }
 636
 637         /* Unregister window */
 638         modest_window_mgr_unregister_window (self, window);
 639
 640         return FALSE;
 641 }
 642
 643 static void
 644 disconnect_msg_changed (gpointer key,
 645                         gpointer value,
 646                         gpointer user_data)
 647 {
 648         guint handler_id;
 649         handler_id = GPOINTER_TO_UINT(value);
 650
 651         if (key && G_IS_OBJECT(key))
 652                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 653 }
 654
 655
 656
 657 /* interval before retrying to close the application */
 658 #define CLOSING_RETRY_INTERVAL 3000
 659 /* interval before cancel whatever is left in the queue, and closing anyway */
 660 #define MAX_WAIT_FOR_CLOSING 30 * 1000
 661
 662 static gboolean
 663 on_quit_maybe (ModestWindowMgr *self)
 664 {
 665         ModestWindowMgrPrivate *priv;
 666         guint queue_num;
 667
 668         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 669
 670         /* it seems, in the meantime some windows were
 671          * created. in that case, stop  'on_quit_maybe' */
 672         if (priv->window_list) {
 673                 priv->closing_time = 0;
 674                 return FALSE;
 675         }
 676
 677         if (priv->closing_time >= MAX_WAIT_FOR_CLOSING) {
 678                 /* we waited long enough: cancel all remaining operations */
 679                 g_debug ("%s: we waited long enough (%ds), cancelling queue and quiting",
 680                          __FUNCTION__, priv->closing_time/1000);
 681                 /* FIXME: below gives me a lot of:
 682                  * GLIB CRITICAL ** default - modest_mail_operation_cancel:
 683                  *                     assertion `priv->account' failed
 684                  * which means there is no account for the given operation
 685                  * so, we're not trying to be nice, we're just quiting.
 686                  */
 687                 //modest_mail_operation_queue_cancel_all
 688                 //      (modest_runtime_get_mail_operation_queue());
 689         } else {
 690
 691                 /* if there is anything left in our operation queue,
 692                  * wait another round
 693                  */
 694                 queue_num = modest_mail_operation_queue_num_elements
 695                         (modest_runtime_get_mail_operation_queue());
 696                 if  (queue_num > 0) {
 697                         g_debug ("%s: waiting, there are still %d operation(s) queued",
 698                                  __FUNCTION__, queue_num);
 699                         priv->closing_time += CLOSING_RETRY_INTERVAL;
 700                         return TRUE;
 701                 }
 702         }
 703
 704         /* so: no windows left, nothing in the queue: quit */
 705         priv->closing_time = 0;
 706         gtk_main_quit ();
 707         return FALSE;
 708 }
 709
 710
 711 void
 712 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 713                                      ModestWindow *window)
 714 {
 715         GList *win;
 716         ModestWindowMgrPrivate *priv;
 717         gulong *tmp, handler_id;
 718
 719         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 720         g_return_if_fail (MODEST_IS_WINDOW (window));
 721
 722         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 723
 724         win = g_list_find (priv->window_list, window);
 725         if (!win) {
 726                 g_warning ("Trying to unregister a window that has not being registered yet");
 727                 return;
 728         }
 729
 730         /* If it's the main window unset it */
 731         if (priv->main_window == window) {
 732                 priv->main_window = NULL;
 733
 734                 /* Disconnect all emissions of msg-changed */
 735                 if (priv->viewer_handlers) {
 736                         g_hash_table_foreach (priv->viewer_handlers,
 737                                               disconnect_msg_changed,
 738                                               NULL);
 739                         g_hash_table_destroy (priv->viewer_handlers);
 740                         priv->viewer_handlers = NULL;
 741                 }
 742         }
 743
 744         /* Remove the viewer window handler from the hash table. The
 745            HashTable could not exist if the main window was closeed
 746            when there were other windows remaining */
 747         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 748                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 749                 /* If the viewer was created without a main window
 750                    (for example when opening a message through D-Bus
 751                    the viewer handlers was not registered */
 752                 if (tmp) {
 753                         g_signal_handler_disconnect (window, *tmp);
 754                         g_hash_table_remove (priv->viewer_handlers, window);
 755                 }
 756         }
 757
 758         /* Save state */
 759         modest_window_save_state (window);
 760
 761         /* Remove from list & hash table */
 762         priv->window_list = g_list_remove_link (priv->window_list, win);
 763         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 764         handler_id = *tmp;
 765         g_hash_table_remove (priv->destroy_handlers, window);
 766
 767         /* Disconnect the "delete-event" handler, we won't need it anymore */
 768         g_signal_handler_disconnect (window, handler_id);
 769
 770         /* Disconnect all the window signals */
 771         modest_window_disconnect_signals (window);
 772
 773         /* Destroy the window */
 774         gtk_widget_destroy (win->data);
 775
 776         /* If there are no more windows registered then exit program */
 777         if (priv->window_list == NULL)
 778                 g_timeout_add (CLOSING_RETRY_INTERVAL,
 779                                (GSourceFunc)on_quit_maybe, self);
 780 }
 781
 782
 783
 784 void
 785 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 786                                        gboolean on)
 787 {
 788         ModestWindowMgrPrivate *priv;
 789         GList *win = NULL;
 790         ModestConf *conf;
 791
 792         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 793
 794         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 795
 796         /* If there is no change do nothing */
 797         if (priv->fullscreen_mode == on)
 798                 return;
 799
 800         priv->fullscreen_mode = on;
 801
 802         conf = modest_runtime_get_conf ();
 803
 804         /* Update windows */
 805         win = priv->window_list;
 806         while (win) {
 807                 gboolean show;
 808                 const gchar *key = NULL;
 809
 810                 /* Getting this from gconf everytime is not that
 811                    expensive, we'll do it just a few times */
 812                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 813                 show = modest_conf_get_bool (conf, key, NULL);
 814
 815                 /* Set fullscreen/unfullscreen */
 816                 if (on)
 817                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 818                 else
 819                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 820
 821                 /* Show/Hide toolbar */
 822                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 823
 824                 win = g_list_next (win);
 825         }
 826 }
 827
 828 gboolean
 829 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 830 {
 831         ModestWindowMgrPrivate *priv;
 832
 833         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 834
 835         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 836
 837         return priv->fullscreen_mode;
 838 }
 839
 840 void
 841 modest_window_mgr_show_toolbars (ModestWindowMgr *self,
 842                                  GType window_type,
 843                                  gboolean show_toolbars,
 844                                  gboolean fullscreen)
 845 {
 846         ModestWindowMgrPrivate *priv;
 847         ModestConf *conf;
 848         const gchar *key = NULL;
 849
 850         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 851
 852         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 853         conf = modest_runtime_get_conf ();
 854
 855         /* If nothing changes then return */
 856         key = get_show_toolbar_key (window_type, fullscreen);
 857         conf = modest_runtime_get_conf ();
 858         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 859                 return;
 860
 861         /* Save in conf */
 862         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 863
 864         /* Apply now if the view mode is the right one */
 865         if ((fullscreen && priv->fullscreen_mode) ||
 866             (!fullscreen && !priv->fullscreen_mode)) {
 867
 868                 GList *win = priv->window_list;
 869
 870                 while (win) {
 871                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 872                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 873                                                             show_toolbars);
 874                         win = g_list_next (win);
 875                 }
 876         }
 877 }
 878
 879 ModestWindow*
 880 modest_window_mgr_get_main_window (ModestWindowMgr *self, gboolean create)
 881 {
 882         ModestWindowMgrPrivate *priv;
 883
 884         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 885         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 886
 887         /* create the main window, if it hasn't been created yet */
 888         if (!priv->main_window && create) {
 889                 /* modest_window_mgr_register_window will set priv->main_window */
 890                 modest_window_mgr_register_window (self, modest_main_window_new ());
 891                 g_debug ("%s: created main window: %p\n", __FUNCTION__, priv->main_window);
 892         }
 893
 894         return priv->main_window;
 895 }
 896
 897
 898 gboolean
 899 modest_window_mgr_main_window_exists  (ModestWindowMgr *self)
 900 {
 901         ModestWindowMgrPrivate *priv;
 902
 903         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 904         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 905
 906         return priv->main_window != NULL;
 907 }
 908
 909
 910 GtkWindow *
 911 modest_window_mgr_get_modal (ModestWindowMgr *self)
 912 {
 913         ModestWindowMgrPrivate *priv;
 914
 915         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 916         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 917
 918         return g_queue_peek_head (priv->modal_windows);
 919 }
 920
 921
 922 void
 923 modest_window_mgr_set_modal (ModestWindowMgr *self,
 924                              GtkWindow *window)
 925 {
 926         GtkWindow *old_modal;
 927         ModestWindowMgrPrivate *priv;
 928
 929         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 930         g_return_if_fail (GTK_IS_WINDOW (window));
 931
 932         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 933         g_mutex_lock (priv->queue_lock);
 934         old_modal = g_queue_peek_head (priv->modal_windows);
 935         g_mutex_unlock (priv->queue_lock);
 936
 937         if (!old_modal) {
 938                 gtk_window_set_modal (window, TRUE);
 939         } else {
 940                 /* un-modalize the old one; the one on top should be the
 941                  * modal one */
 942                 gtk_window_set_transient_for (window, GTK_WINDOW(old_modal));
 943                 gtk_window_set_modal (window, TRUE);
 944         }
 945
 946         /* this will be the new modal window */
 947         g_mutex_lock (priv->queue_lock);
 948         g_queue_push_head (priv->modal_windows, window);
 949         g_mutex_unlock (priv->queue_lock);
 950
 951         if (GTK_IS_DIALOG (window))
 952                 /* Note that response is not always enough because it
 953                    could be captured and removed easily by dialogs but
 954                    works for most of situations */
 955                 priv->modal_handler_uids =
 956                         modest_signal_mgr_connect (priv->modal_handler_uids,
 957                                                    G_OBJECT (window),
 958                                                    "response",
 959                                                    G_CALLBACK (on_modal_dialog_close),
 960                                                    self);
 961         else
 962                 priv->modal_handler_uids =
 963                         modest_signal_mgr_connect (priv->modal_handler_uids,
 964                                                    G_OBJECT (window),
 965                                                    "delete-event",
 966                                                    G_CALLBACK (on_modal_window_close),
 967                                                    self);
 968 }
 969
 970
 971 static void
 972 on_nonhibernating_window_hide(GtkWidget *widget, gpointer user_data)
 973 {
 974         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 975         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 976
 977         /* Forget this window,
 978          * so hibernation will be allowed again if no windows are remembered: */
 979         priv->windows_that_prevent_hibernation =
 980                 g_slist_remove (priv->windows_that_prevent_hibernation, GTK_WINDOW(widget));
 981 }
 982
 983 static void
 984 on_nonhibernating_window_show(GtkWidget *widget, gpointer user_data)
 985 {
 986         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 987         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 988
 989         GtkWindow *window = GTK_WINDOW (widget);
 990
 991         priv->windows_that_prevent_hibernation =
 992                         g_slist_append (priv->windows_that_prevent_hibernation, window);
 993
 994         /* Allow hibernation again when the window has been hidden: */
 995         g_signal_connect (window, "hide",
 996                 G_CALLBACK (on_nonhibernating_window_hide), self);
 997 }
 998
 999 void
1000 modest_window_mgr_prevent_hibernation_while_window_is_shown (ModestWindowMgr *self,
1001                                                                   GtkWindow *window)
1002 {
1003         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
1004
1005         if (GTK_WIDGET_VISIBLE(window)) {
1006                 on_nonhibernating_window_show (GTK_WIDGET (window), self);
1007         } else {
1008                 /* Wait for it to be shown: */
1009                 g_signal_connect (window, "show",
1010                         G_CALLBACK (on_nonhibernating_window_show), self);
1011         }
1012 }
1013
1014 gboolean
1015 modest_window_mgr_get_hibernation_is_prevented (ModestWindowMgr *self)
1016 {
1017         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
1018
1019         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1020
1021         /* Prevent hibernation if any open windows are currently
1022          * preventing hibernation: */
1023         return (g_slist_length (priv->windows_that_prevent_hibernation) > 0);
1024 }
1025
1026
1027 void
1028 modest_window_mgr_save_state_for_all_windows (ModestWindowMgr *self)
1029 {
1030         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
1031
1032         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1033
1034         /* Iterate over all windows */
1035         GList *win = priv->window_list;
1036         while (win) {
1037                 ModestWindow *window = MODEST_WINDOW (win->data);
1038                 if (window) {
1039                         /* This calls the vfunc,
1040                          * so each window can do its own thing: */
1041                         modest_window_save_state (window);
1042                 }
1043
1044                 win = g_list_next (win);
1045         }
1046 }
1047
1048 static gboolean
1049 idle_top_modal (gpointer data)
1050 {
1051         ModestWindowMgr *self = MODEST_WINDOW_MGR (data);
1052         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1053         GtkWindow *topmost;
1054
1055         /* Get the top modal */
1056         g_mutex_lock (priv->queue_lock);
1057         topmost = (GtkWindow *) g_queue_peek_head (priv->modal_windows);
1058         g_mutex_unlock (priv->queue_lock);
1059
1060         /* Show it */
1061         if (topmost)
1062                 gtk_window_present (topmost);
1063
1064         return FALSE;
1065 }
1066
1067 static void
1068 remove_modal_from_queue (GtkWidget *widget,
1069                          ModestWindowMgr *self)
1070 {
1071         ModestWindowMgrPrivate *priv;
1072         GList *item = NULL;
1073
1074         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
1075
1076         /* Remove from queue. We don't use remove, because we want to
1077            exit if the widget does not belong to the queue */
1078         g_mutex_lock (priv->queue_lock);
1079         item = g_queue_find (priv->modal_windows, widget);
1080         if (!item) {
1081                 g_warning ("Trying to remove a modal window that is not registered");
1082                 g_mutex_unlock (priv->queue_lock);
1083                 return;
1084         }
1085         g_queue_unlink (priv->modal_windows, item);
1086         g_mutex_unlock (priv->queue_lock);
1087
1088         /* Disconnect handler */
1089         priv->modal_handler_uids =
1090                 modest_signal_mgr_disconnect (priv->modal_handler_uids,
1091                                               G_OBJECT (widget),
1092                                               GTK_IS_DIALOG (widget) ?
1093                                               "response" :
1094                                               "destroy-event");
1095
1096         /* Schedule the next one for being shown */
1097         g_idle_add (idle_top_modal, self);
1098 }
1099
1100 static gboolean
1101 on_modal_window_close (GtkWidget *widget,
1102                        GdkEvent *event,
1103                        gpointer user_data)
1104 {
1105         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1106
1107         /* Remove modal window from queue */
1108         remove_modal_from_queue (widget, self);
1109
1110         /* Continue */
1111         return FALSE;
1112 }
1113
1114 static void
1115 on_modal_dialog_close (GtkDialog *dialog,
1116                        gint arg1,
1117                        gpointer user_data)
1118 {
1119         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1120
1121         /* Remove modal window from queue */
1122         remove_modal_from_queue (GTK_WIDGET (dialog), self);
1123 }
1124