git.maemo.org Git - modest/blob - src/widgets/modest-hildon1-window-mgr.c

   1 /* Copyright (c) 2008, 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-hildon1-window-mgr.h"
  32 #include "modest-msg-edit-window.h"
  33 #include "modest-main-window.h"
  34 #include "modest-conf.h"
  35 #include "modest-defs.h"
  36 #include "modest-signal-mgr.h"
  37 #include "modest-runtime.h"
  38 #include "modest-platform.h"
  39 #include "modest-ui-actions.h"
  40 #include "modest-debug.h"
  41 #include "modest-tny-folder.h"
  42
  43 /* 'private'/'protected' functions */
  44 static void modest_hildon1_window_mgr_class_init (ModestHildon1WindowMgrClass *klass);
  45 static void modest_hildon1_window_mgr_instance_init (ModestHildon1WindowMgr *obj);
  46 static void modest_hildon1_window_mgr_finalize   (GObject *obj);
  47
  48 static gboolean on_window_destroy        (ModestWindow *window,
  49                                           GdkEvent *event,
  50                                           ModestHildon1WindowMgr *self);
  51
  52 static gboolean on_modal_window_close    (GtkWidget *widget,
  53                                           GdkEvent *event,
  54                                           gpointer user_data);
  55
  56 static void on_modal_dialog_destroy      (GtkObject *object,
  57                                           gpointer   user_data);
  58
  59 static void     on_modal_dialog_close    (GtkDialog *dialog,
  60                                           gint arg1,
  61                                           gpointer user_data);
  62
  63 static const gchar* get_show_toolbar_key (GType window_type,
  64                                           gboolean fullscreen);
  65
  66 static gboolean modest_hildon1_window_mgr_register_window (ModestWindowMgr *self,
  67                                                            ModestWindow *window,
  68                                                            ModestWindow *parent);
  69 static void modest_hildon1_window_mgr_unregister_window (ModestWindowMgr *self,
  70                                                          ModestWindow *window);
  71 static void modest_hildon1_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  72                                                            gboolean on);
  73 static gboolean modest_hildon1_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  74 static void modest_hildon1_window_mgr_show_toolbars (ModestWindowMgr *self,
  75                                                      GType window_type,
  76                                                      gboolean show_toolbars,
  77                                                      gboolean fullscreen);
  78 static ModestWindow* modest_hildon1_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  79 static GtkWindow *modest_hildon1_window_mgr_get_modal (ModestWindowMgr *self);
  80 static void modest_hildon1_window_mgr_set_modal (ModestWindowMgr *self,
  81                                                  GtkWindow *window,
  82                                                  GtkWindow *parent);
  83 static gboolean modest_hildon1_window_mgr_find_registered_header (ModestWindowMgr *self,
  84                                                                   TnyHeader *header,
  85                                                                   ModestWindow **win);
  86 static GList *modest_hildon1_window_mgr_get_window_list (ModestWindowMgr *self);
  87 static gboolean modest_hildon1_window_mgr_close_all_windows (ModestWindowMgr *self);
  88
  89 typedef struct _ModestHildon1WindowMgrPrivate ModestHildon1WindowMgrPrivate;
  90 struct _ModestHildon1WindowMgrPrivate {
  91         GList        *window_list;
  92         GMutex       *queue_lock;
  93         GQueue       *modal_windows;
  94
  95         gboolean     fullscreen_mode;
  96
  97         GHashTable   *destroy_handlers;
  98         GHashTable   *viewer_handlers;
  99         GSList       *window_state_uids;
 100
 101         guint        closing_time;
 102
 103         GSList       *modal_handler_uids;
 104         ModestWindow *current_top;
 105 };
 106 #define MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 107                                                                                    MODEST_TYPE_HILDON1_WINDOW_MGR, \
 108                                                                                    ModestHildon1WindowMgrPrivate))
 109 /* globals */
 110 static GObjectClass *parent_class = NULL;
 111
 112 GType
 113 modest_hildon1_window_mgr_get_type (void)
 114 {
 115         static GType my_type = 0;
 116         if (!my_type) {
 117                 static const GTypeInfo my_info = {
 118                         sizeof(ModestHildon1WindowMgrClass),
 119                         NULL,           /* base init */
 120                         NULL,           /* base finalize */
 121                         (GClassInitFunc) modest_hildon1_window_mgr_class_init,
 122                         NULL,           /* class finalize */
 123                         NULL,           /* class data */
 124                         sizeof(ModestHildon1WindowMgr),
 125                         1,              /* n_preallocs */
 126                         (GInstanceInitFunc) modest_hildon1_window_mgr_instance_init,
 127                         NULL
 128                 };
 129                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 130                                                   "ModestHildon1WindowMgr",
 131                                                   &my_info, 0);
 132         }
 133         return my_type;
 134 }
 135
 136 static void
 137 modest_hildon1_window_mgr_class_init (ModestHildon1WindowMgrClass *klass)
 138 {
 139         GObjectClass *gobject_class;
 140         ModestWindowMgrClass *mgr_class;
 141
 142         gobject_class = (GObjectClass*) klass;
 143         mgr_class = (ModestWindowMgrClass *) klass;
 144
 145         parent_class            = g_type_class_peek_parent (klass);
 146         gobject_class->finalize = modest_hildon1_window_mgr_finalize;
 147         mgr_class->register_window = modest_hildon1_window_mgr_register_window;
 148         mgr_class->unregister_window = modest_hildon1_window_mgr_unregister_window;
 149         mgr_class->set_fullscreen_mode = modest_hildon1_window_mgr_set_fullscreen_mode;
 150         mgr_class->get_fullscreen_mode = modest_hildon1_window_mgr_get_fullscreen_mode;
 151         mgr_class->show_toolbars = modest_hildon1_window_mgr_show_toolbars;
 152         mgr_class->get_main_window = modest_hildon1_window_mgr_get_main_window;
 153         mgr_class->get_modal = modest_hildon1_window_mgr_get_modal;
 154         mgr_class->set_modal = modest_hildon1_window_mgr_set_modal;
 155         mgr_class->find_registered_header = modest_hildon1_window_mgr_find_registered_header;
 156         mgr_class->get_window_list = modest_hildon1_window_mgr_get_window_list;
 157         mgr_class->close_all_windows = modest_hildon1_window_mgr_close_all_windows;
 158
 159         g_type_class_add_private (gobject_class, sizeof(ModestHildon1WindowMgrPrivate));
 160
 161 }
 162
 163 static void
 164 modest_hildon1_window_mgr_instance_init (ModestHildon1WindowMgr *obj)
 165 {
 166         ModestHildon1WindowMgrPrivate *priv;
 167
 168         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(obj);
 169         priv->window_list = NULL;
 170         priv->fullscreen_mode = FALSE;
 171         priv->current_top = NULL;
 172         priv->window_state_uids = NULL;
 173
 174         priv->modal_windows = g_queue_new ();
 175         priv->queue_lock = g_mutex_new ();
 176
 177         /* Could not initialize it from gconf, singletons are not
 178            ready yet */
 179         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 180         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 181
 182         priv->closing_time = 0;
 183
 184         priv->modal_handler_uids = NULL;
 185 }
 186
 187 static void
 188 modest_hildon1_window_mgr_finalize (GObject *obj)
 189 {
 190         ModestHildon1WindowMgrPrivate *priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(obj);
 191
 192         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 193         priv->window_state_uids = NULL;
 194
 195         if (priv->window_list) {
 196                 GList *iter = priv->window_list;
 197                 /* unregister pending windows */
 198                 while (iter) {
 199                         ModestWindow *window = (ModestWindow *) iter->data;
 200                         iter = g_list_next (iter);
 201                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 202                 }
 203                 g_list_free (priv->window_list);
 204                 priv->window_list = NULL;
 205         }
 206
 207         /* Free the hash table with the handlers */
 208         if (priv->destroy_handlers) {
 209                 g_hash_table_destroy (priv->destroy_handlers);
 210                 priv->destroy_handlers = NULL;
 211         }
 212
 213         if (priv->viewer_handlers) {
 214                 g_hash_table_destroy (priv->viewer_handlers);
 215                 priv->viewer_handlers = NULL;
 216         }
 217
 218         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 219         priv->modal_handler_uids = NULL;
 220
 221         if (priv->modal_windows) {
 222                 g_mutex_lock (priv->queue_lock);
 223                 g_queue_free (priv->modal_windows);
 224                 priv->modal_windows = NULL;
 225                 g_mutex_unlock (priv->queue_lock);
 226         }
 227         g_mutex_free (priv->queue_lock);
 228
 229         /* Do not unref priv->main_window because it does not hold a
 230            new reference */
 231
 232
 233         G_OBJECT_CLASS(parent_class)->finalize (obj);
 234 }
 235
 236 ModestWindowMgr*
 237 modest_hildon1_window_mgr_new (void)
 238 {
 239         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON1_WINDOW_MGR, NULL));
 240 }
 241
 242 static gboolean
 243 modest_hildon1_window_mgr_close_all_windows (ModestWindowMgr *self)
 244 {
 245         ModestHildon1WindowMgrPrivate *priv = NULL;
 246         gboolean ret_value = FALSE;
 247         ModestWindow *main_window;
 248
 249         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 250         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 251
 252         /* If there is a main window then try to close it, and it will
 253            close the others if needed */
 254         main_window = modest_window_mgr_get_main_window (self, FALSE);
 255         if (main_window) {
 256                 g_signal_emit_by_name (main_window, "delete-event", NULL, &ret_value);
 257                 return ret_value;
 258         } else {
 259                 GList *wins = NULL, *next = NULL;
 260
 261                 /* delete-event handler actually removes window_list item, */
 262                 wins = priv->window_list;
 263                 while (wins) {
 264                         next = g_list_next (wins);
 265                         g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 266                         if (ret_value)
 267                                 break;
 268                         wins = next;
 269                 }
 270         }
 271
 272         return ret_value;
 273 }
 274
 275 static gint
 276 compare_msguids (ModestWindow *win,
 277                  const gchar *uid)
 278 {
 279         const gchar *msg_uid;
 280
 281         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 282                 return 1;
 283
 284         /* Get message uid from msg window */
 285         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 286                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 287                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 288                         return 0;
 289         } else {
 290                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 291         }
 292
 293         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 294                 return 0;
 295         else
 296                 return 1;
 297 }
 298
 299 static gboolean
 300 modest_hildon1_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 301                                                   ModestWindow **win)
 302 {
 303         ModestHildon1WindowMgrPrivate *priv = NULL;
 304         gchar* uid = NULL;
 305         gboolean has_header, has_window = FALSE;
 306         GList *item = NULL;
 307
 308         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 309         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 310
 311         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 312
 313         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 314
 315         uid = modest_tny_folder_get_header_unique_id (header);
 316
 317         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 318         if (item) {
 319                 has_window = TRUE;
 320                 if (win) {
 321                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 322                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 323                                 g_debug ("not a valid window!");
 324                         else {
 325                                 g_debug ("found a window");
 326                                 *win = MODEST_WINDOW (item->data);
 327                         }
 328                 }
 329         }
 330         g_free (uid);
 331
 332         return has_header || has_window;
 333 }
 334
 335 static GList *
 336 modest_hildon1_window_mgr_get_window_list (ModestWindowMgr *self)
 337 {
 338         ModestHildon1WindowMgrPrivate *priv;
 339
 340         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 341         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 342
 343         return g_list_copy (priv->window_list);
 344 }
 345
 346 static const gchar *
 347 get_show_toolbar_key (GType window_type,
 348                       gboolean fullscreen)
 349 {
 350         const gchar *key = NULL;
 351
 352         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 353                 key = (fullscreen) ?
 354                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 355                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 356         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 357                 key = (fullscreen) ?
 358                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 359                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 360         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 361                 key = (fullscreen) ?
 362                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 363                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 364         else
 365                 g_return_val_if_reached (NULL);
 366
 367         return key;
 368 }
 369
 370 #ifndef MODEST_TOOLKIT_GTK
 371 static void
 372 on_window_is_topmost (GObject    *gobject,
 373                       GParamSpec *arg1,
 374                       gpointer    user_data)
 375 {
 376         ModestHildon1WindowMgr *self;
 377         ModestHildon1WindowMgrPrivate *priv;
 378         ModestWindow *win = (ModestWindow *) gobject;
 379
 380         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (user_data));
 381
 382         self = MODEST_HILDON1_WINDOW_MGR (user_data);
 383         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 384
 385         if (hildon_window_get_is_topmost (HILDON_WINDOW (win)))
 386                 priv->current_top = win;
 387 }
 388
 389 #else
 390 static gboolean
 391 on_window_state_event (GtkWidget           *widget,
 392                        GdkEventWindowState *event,
 393                        gpointer             user_data)
 394 {
 395         ModestHildon1WindowMgr *self;
 396         ModestHildon1WindowMgrPrivate *priv;
 397
 398         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (user_data), FALSE);
 399
 400         self = MODEST_HILDON1_WINDOW_MGR (user_data);
 401         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 402
 403         MODEST_DEBUG_BLOCK (
 404                             if (event->changed_mask & GDK_WINDOW_STATE_WITHDRAWN)
 405                                     g_print ("GDK_WINDOW_STATE_WITHDRAWN\n");
 406                             if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 407                                     g_print ("GDK_WINDOW_STATE_ICONIFIED\n");
 408                             if (event->changed_mask & GDK_WINDOW_STATE_MAXIMIZED)
 409                                     g_print ("GDK_WINDOW_STATE_MAXIMIZED\n");
 410                             if (event->changed_mask & GDK_WINDOW_STATE_STICKY)
 411                                     g_print ("GDK_WINDOW_STATE_STICKY\n");
 412                             if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
 413                                     g_print ("GDK_WINDOW_STATE_FULLSCREEN\n");
 414                             if (event->changed_mask & GDK_WINDOW_STATE_ABOVE)
 415                                     g_print ("GDK_WINDOW_STATE_ABOVE\n");
 416                             if (event->changed_mask & GDK_WINDOW_STATE_BELOW)
 417                                     g_print ("GDK_WINDOW_STATE_BELOW\n");
 418                             );
 419         if (event->changed_mask & GDK_WINDOW_STATE_WITHDRAWN ||
 420             event->changed_mask & GDK_WINDOW_STATE_ABOVE) {
 421                 priv->current_top = MODEST_WINDOW (widget);
 422         }
 423
 424         return FALSE;
 425 }
 426 #endif
 427
 428 static gboolean
 429 modest_hildon1_window_mgr_register_window (ModestWindowMgr *self,
 430                                            ModestWindow *window,
 431                                            ModestWindow *parent)
 432 {
 433         GList *win;
 434         ModestHildon1WindowMgrPrivate *priv;
 435         gint *handler_id;
 436         const gchar *key;
 437         ModestWindow *main_window;
 438
 439         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 440         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 441
 442         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 443
 444         win = g_list_find (priv->window_list, window);
 445         if (win) {
 446                 /* this is for the case we want to register the window and it was already
 447                  * registered. We leave silently.
 448                  */
 449                 return FALSE;
 450         }
 451
 452         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 453                 return FALSE;
 454
 455         /* Add to list. Keep a reference to the window */
 456         g_object_ref (window);
 457         priv->window_list = g_list_prepend (priv->window_list, window);
 458
 459         /* Listen to window state changes. Unfortunately
 460            window-state-event does not properly work for the Maemo
 461            version, so we need to use is-topmost and the ifdef */
 462 #ifndef MODEST_TOOLKIT_GTK
 463         priv->window_state_uids =
 464                 modest_signal_mgr_connect (priv->window_state_uids,
 465                                            G_OBJECT (window),
 466                                            "notify::is-topmost",
 467                                            G_CALLBACK (on_window_is_topmost),
 468                                            self);
 469 #else
 470         priv->window_state_uids =
 471                 modest_signal_mgr_connect (priv->window_state_uids,
 472                                            G_OBJECT (window),
 473                                            "window-state-event",
 474                                            G_CALLBACK (on_window_state_event),
 475                                            self);
 476 #endif
 477         /* Listen to object destruction */
 478         handler_id = g_malloc0 (sizeof (gint));
 479         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 480         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 481
 482         main_window = modest_window_mgr_get_main_window (self, FALSE);
 483         /* If there is a msg view window, let the main window listen the msg-changed signal */
 484         if (MODEST_IS_MSG_VIEW_WINDOW(window) && main_window) {
 485                 gulong *handler;
 486                 handler = g_malloc0 (sizeof (gulong));
 487                 *handler = g_signal_connect (window, "msg-changed",
 488                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 489                                              main_window);
 490                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 491         }
 492
 493         /* Put into fullscreen if needed */
 494         if (priv->fullscreen_mode)
 495                 gtk_window_fullscreen (GTK_WINDOW (window));
 496
 497         /* Show/hide toolbar & fullscreen */
 498         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 499         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 500
 501         return TRUE;
 502 }
 503
 504 static void
 505 cancel_window_operations (ModestWindow *window)
 506 {
 507         GSList* pending_ops = NULL;
 508
 509         /* cancel open and receive operations */
 510         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 511                                                                  G_OBJECT (window));
 512         while (pending_ops != NULL) {
 513                 ModestMailOperationTypeOperation type;
 514                 GSList* tmp_list = NULL;
 515
 516                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 517                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 518                         modest_mail_operation_cancel (pending_ops->data);
 519                 }
 520                 g_object_unref (G_OBJECT (pending_ops->data));
 521                 tmp_list = pending_ops;
 522                 pending_ops = g_slist_next (pending_ops);
 523                 g_slist_free_1 (tmp_list);
 524         }
 525 }
 526
 527
 528
 529 static gboolean
 530 on_window_destroy (ModestWindow *window,
 531                    GdkEvent *event,
 532                    ModestHildon1WindowMgr *self)
 533 {
 534         gint dialog_response = GTK_RESPONSE_NONE;
 535         gboolean no_propagate = FALSE;
 536
 537         /* Specific stuff first */
 538         if (MODEST_IS_MAIN_WINDOW (window)) {
 539                 ModestHildon1WindowMgrPrivate *priv;
 540                 priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 541
 542                 /* If more than one window already opened */
 543                 if (g_list_length (priv->window_list) > 1) {
 544
 545                         /* Present the window if it's not visible now */
 546                         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window))) {
 547                                 gtk_window_present (GTK_WINDOW (window));
 548                                 priv->current_top = window;
 549                         }
 550                         /* Create the confirmation dialog MSG-NOT308 */
 551                         dialog_response = modest_platform_run_confirmation_dialog (
 552                                         GTK_WINDOW (window), _("emev_nc_close_windows"));
 553
 554                         /* If the user wants to close all the windows */
 555                         if ((dialog_response == GTK_RESPONSE_OK)
 556                             || (dialog_response == GTK_RESPONSE_ACCEPT)
 557                             || (dialog_response == GTK_RESPONSE_YES)) {
 558                                         GList *iter = priv->window_list;
 559                                         do {
 560                                                 if (iter->data != window) {
 561                                                         GList *tmp = iter->next;
 562                                                         on_window_destroy (MODEST_WINDOW (iter->data),
 563                                                                         event,
 564                                                                         self);
 565                                                         iter = tmp;
 566                                                 } else {
 567                                                         iter = g_list_next (iter);
 568                                                 }
 569                                         } while (iter);
 570                         } else {
 571                                 return TRUE;
 572                         }
 573                 }
 574
 575                 /* Do not unregister it, just hide */
 576                 gtk_widget_hide_all (GTK_WIDGET (window));
 577
 578                 /* Cancel pending operations */
 579                 cancel_window_operations (window);
 580
 581                 /* Fake the window system, make it think that there is no window */
 582                 if (modest_window_mgr_get_num_windows (MODEST_WINDOW_MGR (self)) == 0)
 583                         g_signal_emit_by_name (self, "window-list-empty");
 584
 585                 no_propagate = TRUE;
 586         }
 587         else {
 588                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 589                         gboolean sent = FALSE;
 590                         gint response = GTK_RESPONSE_ACCEPT;
 591                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 592                         /* Save currently edited message to Drafts if it was not sent */
 593                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 594
 595                                 /* Raise the window if it's minimized */
 596                                 if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window)))
 597                                         gtk_window_present (GTK_WINDOW (window));
 598
 599                                 response =
 600                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 601                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 602                                 /* Save to drafts */
 603                                 if (response == GTK_RESPONSE_OK)
 604                                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 605                                                 return TRUE;
 606                         }
 607                 }
 608                 /* Unregister window */
 609                 modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 610                 no_propagate = TRUE;
 611         }
 612
 613         return no_propagate;
 614 }
 615
 616 static void
 617 disconnect_msg_changed (gpointer key,
 618                         gpointer value,
 619                         gpointer user_data)
 620 {
 621         guint handler_id;
 622         handler_id = GPOINTER_TO_UINT(value);
 623
 624         if (key && G_IS_OBJECT(key))
 625                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 626 }
 627
 628 static void
 629 modest_hildon1_window_mgr_unregister_window (ModestWindowMgr *self,
 630                                              ModestWindow *window)
 631 {
 632         GList *win;
 633         ModestHildon1WindowMgrPrivate *priv;
 634         gulong *tmp, handler_id;
 635
 636         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 637         g_return_if_fail (MODEST_IS_WINDOW (window));
 638
 639         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 640
 641         win = g_list_find (priv->window_list, window);
 642         if (!win) {
 643                 g_warning ("Trying to unregister a window that has not being registered yet");
 644                 return;
 645         }
 646
 647         /* If it's the main window unset it */
 648         if (MODEST_IS_MAIN_WINDOW (window)) {
 649                 modest_window_mgr_set_main_window (self, NULL);
 650
 651                 /* Disconnect all emissions of msg-changed */
 652                 if (priv->viewer_handlers) {
 653                         g_hash_table_foreach (priv->viewer_handlers,
 654                                               disconnect_msg_changed,
 655                                               NULL);
 656                         g_hash_table_destroy (priv->viewer_handlers);
 657                         priv->viewer_handlers = NULL;
 658                 }
 659         }
 660
 661         /* Remove the viewer window handler from the hash table. The
 662            HashTable could not exist if the main window was closed
 663            when there were other windows remaining */
 664         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 665                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 666                 /* If the viewer was created without a main window
 667                    (for example when opening a message through D-Bus
 668                    the viewer handlers was not registered */
 669                 if (tmp) {
 670                         g_signal_handler_disconnect (window, *tmp);
 671                         g_hash_table_remove (priv->viewer_handlers, window);
 672                 }
 673         }
 674
 675         /* Remove from list & hash table */
 676         priv->window_list = g_list_remove_link (priv->window_list, win);
 677         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 678         handler_id = *tmp;
 679
 680         g_hash_table_remove (priv->destroy_handlers, window);
 681
 682         /* cancel open and receive operations */
 683         cancel_window_operations (window);
 684
 685         /* Check if it's the topmost window, and remove the window from the stack.
 686          * This is needed for the cases there's no other topmost window that will
 687          * replace it in topmost handler.
 688          */
 689          if (window == priv->current_top)
 690                  priv->current_top = NULL;
 691
 692         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 693         if (priv->window_state_uids) {
 694 #ifndef MODEST_TOOLKIT_GTK
 695                 priv->window_state_uids =
 696                         modest_signal_mgr_disconnect (priv->window_state_uids,
 697                                                       G_OBJECT (window),
 698                                                       "notify::is-topmost");
 699 #else
 700                 priv->window_state_uids =
 701                         modest_signal_mgr_disconnect (priv->window_state_uids,
 702                                                       G_OBJECT (window),
 703                                                       "window-state-event");
 704 #endif
 705         }
 706
 707         /* Disconnect the "delete-event" handler, we won't need it anymore */
 708         g_signal_handler_disconnect (window, handler_id);
 709
 710         /* Destroy the window */
 711         g_object_unref (win->data);
 712         g_list_free (win);
 713
 714         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 715
 716         /* If there are no more windows registered emit the signal */
 717         if (modest_window_mgr_get_num_windows (self) == 0)
 718                 g_signal_emit_by_name (self, "window-list-empty");
 719 }
 720
 721
 722
 723 static void
 724 modest_hildon1_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 725                                                gboolean on)
 726 {
 727         ModestHildon1WindowMgrPrivate *priv;
 728         GList *win = NULL;
 729         ModestConf *conf;
 730
 731         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 732
 733         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 734
 735         /* If there is no change do nothing */
 736         if (priv->fullscreen_mode == on)
 737                 return;
 738
 739         priv->fullscreen_mode = on;
 740
 741         conf = modest_runtime_get_conf ();
 742
 743         /* Update windows */
 744         win = priv->window_list;
 745         while (win) {
 746                 gboolean show;
 747                 const gchar *key = NULL;
 748
 749                 /* Getting this from gconf everytime is not that
 750                    expensive, we'll do it just a few times */
 751                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 752                 show = modest_conf_get_bool (conf, key, NULL);
 753
 754                 /* Set fullscreen/unfullscreen */
 755                 if (on)
 756                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 757                 else
 758                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 759
 760                 /* Show/Hide toolbar */
 761                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 762
 763                 win = g_list_next (win);
 764         }
 765 }
 766
 767 static gboolean
 768 modest_hildon1_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 769 {
 770         ModestHildon1WindowMgrPrivate *priv;
 771
 772         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 773
 774         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 775
 776         return priv->fullscreen_mode;
 777 }
 778
 779 static void
 780 modest_hildon1_window_mgr_show_toolbars (ModestWindowMgr *self,
 781                                          GType window_type,
 782                                          gboolean show_toolbars,
 783                                          gboolean fullscreen)
 784 {
 785         ModestHildon1WindowMgrPrivate *priv;
 786         ModestConf *conf;
 787         const gchar *key = NULL;
 788
 789         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 790
 791         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 792         conf = modest_runtime_get_conf ();
 793
 794         /* If nothing changes then return */
 795         key = get_show_toolbar_key (window_type, fullscreen);
 796         conf = modest_runtime_get_conf ();
 797         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 798                 return;
 799
 800         /* Save in conf */
 801         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 802
 803         /* Apply now if the view mode is the right one */
 804         if ((fullscreen && priv->fullscreen_mode) ||
 805             (!fullscreen && !priv->fullscreen_mode)) {
 806
 807                 GList *win = priv->window_list;
 808
 809                 while (win) {
 810                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 811                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 812                                                             show_toolbars);
 813                         win = g_list_next (win);
 814                 }
 815         }
 816 }
 817
 818 static ModestWindow*
 819 modest_hildon1_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 820 {
 821         ModestHildon1WindowMgrPrivate *priv;
 822         ModestWindow *result;
 823
 824         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 825         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 826
 827         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 828         /* create the main window, if it hasn't been created yet */
 829         if (!result && show) {
 830                 /* modest_window_mgr_register_window will set priv->main_window */
 831                 result = modest_main_window_new ();
 832                 modest_window_mgr_register_window (self, result, NULL);
 833                 gtk_widget_show_all (GTK_WIDGET (result));
 834                 gtk_window_present (GTK_WINDOW (result));
 835                 MODEST_DEBUG_BLOCK(
 836                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 837                 );
 838         }
 839
 840         return result;
 841 }
 842
 843
 844 static GtkWindow *
 845 modest_hildon1_window_mgr_get_modal (ModestWindowMgr *self)
 846 {
 847         ModestHildon1WindowMgrPrivate *priv;
 848
 849         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 850         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 851
 852         return g_queue_peek_head (priv->modal_windows);
 853 }
 854
 855
 856 static void
 857 modest_hildon1_window_mgr_set_modal (ModestWindowMgr *self,
 858                                      GtkWindow *window,
 859                                      GtkWindow *parent)
 860 {
 861         GtkWindow *old_modal;
 862         ModestHildon1WindowMgrPrivate *priv;
 863
 864         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 865         g_return_if_fail (GTK_IS_WINDOW (window));
 866
 867         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 868         g_mutex_lock (priv->queue_lock);
 869         old_modal = g_queue_peek_head (priv->modal_windows);
 870         g_mutex_unlock (priv->queue_lock);
 871
 872         if (!old_modal) {
 873                 /* make us transient wrt the main window then */
 874                 if (priv->current_top && ((GtkWindow *) priv->current_top != window)) {
 875                         gtk_window_set_transient_for (window, GTK_WINDOW(priv->current_top));
 876                 } else {
 877                         ModestWindow *main_win = modest_window_mgr_get_main_window (self, FALSE);
 878                         if (GTK_WINDOW(main_win) != window) /* they should not be the same */
 879                                 gtk_window_set_transient_for (window, GTK_WINDOW(main_win));
 880                 }
 881                 gtk_window_set_modal (window, TRUE);
 882         } else {
 883                 /* un-modalize the old one; the one on top should be the
 884                  * modal one */
 885                 gtk_window_set_transient_for (window, GTK_WINDOW(old_modal));
 886                 gtk_window_set_modal (window, TRUE);
 887         }
 888
 889         /* this will be the new modal window */
 890         g_mutex_lock (priv->queue_lock);
 891         g_queue_push_head (priv->modal_windows, window);
 892         g_mutex_unlock (priv->queue_lock);
 893
 894         if (GTK_IS_DIALOG (window)) {
 895                 /* Note that response is not always enough because it
 896                    could be captured and removed easily by dialogs but
 897                    works for most of situations */
 898                 priv->modal_handler_uids =
 899                         modest_signal_mgr_connect (priv->modal_handler_uids,
 900                                                    G_OBJECT (window),
 901                                                    "response",
 902                                                    G_CALLBACK (on_modal_dialog_close),
 903                                                    self);
 904                 /* We need this as well because dialogs are often
 905                    destroyed with gtk_widget_destroy and this one will
 906                    prevent response from happening */
 907                 priv->modal_handler_uids =
 908                         modest_signal_mgr_connect (priv->modal_handler_uids,
 909                                                    G_OBJECT (window),
 910                                                    "destroy",
 911                                                    G_CALLBACK (on_modal_dialog_destroy),
 912                                                    self);
 913         } else {
 914                 priv->modal_handler_uids =
 915                         modest_signal_mgr_connect (priv->modal_handler_uids,
 916                                                    G_OBJECT (window),
 917                                                    "delete-event",
 918                                                    G_CALLBACK (on_modal_window_close),
 919                                                    self);
 920         }
 921         /* Destroy width parent */
 922         gtk_window_set_destroy_with_parent (window, TRUE);
 923 }
 924
 925
 926
 927 static gboolean
 928 idle_top_modal (gpointer data)
 929 {
 930         ModestWindowMgr *self = MODEST_WINDOW_MGR (data);
 931         ModestHildon1WindowMgrPrivate *priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 932         GtkWindow *topmost;
 933
 934         /* Get the top modal */
 935         g_mutex_lock (priv->queue_lock);
 936         topmost = (GtkWindow *) g_queue_peek_head (priv->modal_windows);
 937         g_mutex_unlock (priv->queue_lock);
 938
 939         /* Show it */
 940         if (topmost) {
 941                 gdk_threads_enter ();
 942                 gtk_window_present (topmost);
 943                 /* It seems that the window looses modality if some
 944                    other is shown on top of it after set_transient_for
 945                    and set_parent */
 946                 gtk_window_set_modal (topmost, TRUE);
 947                 gdk_threads_leave ();
 948         }
 949
 950         return FALSE;
 951 }
 952
 953 static void
 954 remove_modal_from_queue (GtkWidget *widget,
 955                          ModestWindowMgr *self)
 956 {
 957         ModestHildon1WindowMgrPrivate *priv;
 958         GList *item = NULL;
 959
 960         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 961
 962         /* Remove from queue. We don't use remove, because we want to
 963            exit if the widget does not belong to the queue */
 964         g_mutex_lock (priv->queue_lock);
 965         item = g_queue_find (priv->modal_windows, widget);
 966         if (!item) {
 967                 g_warning ("Trying to remove a modal window that is not registered");
 968                 g_mutex_unlock (priv->queue_lock);
 969                 return;
 970         }
 971         g_queue_unlink (priv->modal_windows, item);
 972         g_mutex_unlock (priv->queue_lock);
 973
 974         /* Disconnect handler */
 975         priv->modal_handler_uids =
 976                 modest_signal_mgr_disconnect (priv->modal_handler_uids,
 977                                               G_OBJECT (widget),
 978                                               GTK_IS_DIALOG (widget) ?
 979                                               "response" :
 980                                               "delete-event");
 981         if (GTK_IS_DIALOG (widget))
 982                 priv->modal_handler_uids =
 983                         modest_signal_mgr_disconnect (priv->modal_handler_uids,
 984                                                       G_OBJECT (widget),
 985                                                       "destroy");
 986
 987         /* Schedule the next one for being shown */
 988         g_idle_add (idle_top_modal, self);
 989 }
 990
 991 static gboolean
 992 on_modal_window_close (GtkWidget *widget,
 993                        GdkEvent *event,
 994                        gpointer user_data)
 995 {
 996         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
 997
 998         /* Remove modal window from queue */
 999         remove_modal_from_queue (widget, self);
1000
1001         /* Continue */
1002         return FALSE;
1003 }
1004
1005 static void
1006 on_modal_dialog_close (GtkDialog *dialog,
1007                        gint arg1,
1008                        gpointer user_data)
1009 {
1010         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1011
1012         /* Remove modal window from queue. Note that if "destroy"
1013            signal was invoked before the response the window could be
1014            already deleted */
1015         remove_modal_from_queue (GTK_WIDGET (dialog), self);
1016 }
1017
1018 static void
1019 on_modal_dialog_destroy (GtkObject *object,
1020                          gpointer   user_data)
1021 {
1022         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1023
1024         /* Remove modal window from queue */
1025         remove_modal_from_queue (GTK_WIDGET (object), self);
1026 }
1027