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 gboolean modest_hildon1_window_mgr_find_registered_message_uid (ModestWindowMgr *self,
  87                                                                        const gchar *msg_uid,
  88                                                                        ModestWindow **win);
  89 static GList *modest_hildon1_window_mgr_get_window_list (ModestWindowMgr *self);
  90 static gboolean modest_hildon1_window_mgr_close_all_windows (ModestWindowMgr *self);
  91 static ModestWindow *modest_hildon1_window_mgr_get_current_top (ModestWindowMgr *self);
  92 static gboolean modest_hildon1_window_mgr_screen_is_on (ModestWindowMgr *self);
  93
  94 typedef struct _ModestHildon1WindowMgrPrivate ModestHildon1WindowMgrPrivate;
  95 struct _ModestHildon1WindowMgrPrivate {
  96         GList        *window_list;
  97         GMutex       *queue_lock;
  98         GQueue       *modal_windows;
  99
 100         gboolean     fullscreen_mode;
 101
 102         GHashTable   *destroy_handlers;
 103         GHashTable   *viewer_handlers;
 104         GSList       *window_state_uids;
 105
 106         guint        closing_time;
 107
 108         GSList       *modal_handler_uids;
 109         ModestWindow *current_top;
 110 };
 111 #define MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 112                                                                                    MODEST_TYPE_HILDON1_WINDOW_MGR, \
 113                                                                                    ModestHildon1WindowMgrPrivate))
 114 /* globals */
 115 static GObjectClass *parent_class = NULL;
 116
 117 GType
 118 modest_hildon1_window_mgr_get_type (void)
 119 {
 120         static GType my_type = 0;
 121         if (!my_type) {
 122                 static const GTypeInfo my_info = {
 123                         sizeof(ModestHildon1WindowMgrClass),
 124                         NULL,           /* base init */
 125                         NULL,           /* base finalize */
 126                         (GClassInitFunc) modest_hildon1_window_mgr_class_init,
 127                         NULL,           /* class finalize */
 128                         NULL,           /* class data */
 129                         sizeof(ModestHildon1WindowMgr),
 130                         1,              /* n_preallocs */
 131                         (GInstanceInitFunc) modest_hildon1_window_mgr_instance_init,
 132                         NULL
 133                 };
 134                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 135                                                   "ModestHildon1WindowMgr",
 136                                                   &my_info, 0);
 137         }
 138         return my_type;
 139 }
 140
 141 static void
 142 modest_hildon1_window_mgr_class_init (ModestHildon1WindowMgrClass *klass)
 143 {
 144         GObjectClass *gobject_class;
 145         ModestWindowMgrClass *mgr_class;
 146
 147         gobject_class = (GObjectClass*) klass;
 148         mgr_class = (ModestWindowMgrClass *) klass;
 149
 150         parent_class            = g_type_class_peek_parent (klass);
 151         gobject_class->finalize = modest_hildon1_window_mgr_finalize;
 152         mgr_class->register_window = modest_hildon1_window_mgr_register_window;
 153         mgr_class->unregister_window = modest_hildon1_window_mgr_unregister_window;
 154         mgr_class->set_fullscreen_mode = modest_hildon1_window_mgr_set_fullscreen_mode;
 155         mgr_class->get_fullscreen_mode = modest_hildon1_window_mgr_get_fullscreen_mode;
 156         mgr_class->show_toolbars = modest_hildon1_window_mgr_show_toolbars;
 157         mgr_class->get_main_window = modest_hildon1_window_mgr_get_main_window;
 158         mgr_class->get_modal = modest_hildon1_window_mgr_get_modal;
 159         mgr_class->set_modal = modest_hildon1_window_mgr_set_modal;
 160         mgr_class->find_registered_header = modest_hildon1_window_mgr_find_registered_header;
 161         mgr_class->find_registered_message_uid = modest_hildon1_window_mgr_find_registered_message_uid;
 162         mgr_class->get_window_list = modest_hildon1_window_mgr_get_window_list;
 163         mgr_class->close_all_windows = modest_hildon1_window_mgr_close_all_windows;
 164         mgr_class->get_current_top = modest_hildon1_window_mgr_get_current_top;
 165         mgr_class->screen_is_on = modest_hildon1_window_mgr_screen_is_on;
 166
 167         g_type_class_add_private (gobject_class, sizeof(ModestHildon1WindowMgrPrivate));
 168
 169 }
 170
 171 static void
 172 modest_hildon1_window_mgr_instance_init (ModestHildon1WindowMgr *obj)
 173 {
 174         ModestHildon1WindowMgrPrivate *priv;
 175
 176         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(obj);
 177         priv->window_list = NULL;
 178         priv->fullscreen_mode = FALSE;
 179         priv->current_top = NULL;
 180         priv->window_state_uids = NULL;
 181
 182         priv->modal_windows = g_queue_new ();
 183         priv->queue_lock = g_mutex_new ();
 184
 185         /* Could not initialize it from gconf, singletons are not
 186            ready yet */
 187         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 188         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 189
 190         priv->closing_time = 0;
 191
 192         priv->modal_handler_uids = NULL;
 193 }
 194
 195 static void
 196 modest_hildon1_window_mgr_finalize (GObject *obj)
 197 {
 198         ModestHildon1WindowMgrPrivate *priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE(obj);
 199
 200         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 201         priv->window_state_uids = NULL;
 202
 203         if (priv->window_list) {
 204                 GList *iter = priv->window_list;
 205                 /* unregister pending windows */
 206                 while (iter) {
 207                         ModestWindow *window = (ModestWindow *) iter->data;
 208                         iter = g_list_next (iter);
 209                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 210                 }
 211                 g_list_free (priv->window_list);
 212                 priv->window_list = NULL;
 213         }
 214
 215         /* Free the hash table with the handlers */
 216         if (priv->destroy_handlers) {
 217                 g_hash_table_destroy (priv->destroy_handlers);
 218                 priv->destroy_handlers = NULL;
 219         }
 220
 221         if (priv->viewer_handlers) {
 222                 g_hash_table_destroy (priv->viewer_handlers);
 223                 priv->viewer_handlers = NULL;
 224         }
 225
 226         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 227         priv->modal_handler_uids = NULL;
 228
 229         if (priv->modal_windows) {
 230                 g_mutex_lock (priv->queue_lock);
 231                 g_queue_free (priv->modal_windows);
 232                 priv->modal_windows = NULL;
 233                 g_mutex_unlock (priv->queue_lock);
 234         }
 235         g_mutex_free (priv->queue_lock);
 236
 237         /* Do not unref priv->main_window because it does not hold a
 238            new reference */
 239
 240
 241         G_OBJECT_CLASS(parent_class)->finalize (obj);
 242 }
 243
 244 ModestWindowMgr*
 245 modest_hildon1_window_mgr_new (void)
 246 {
 247         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON1_WINDOW_MGR, NULL));
 248 }
 249
 250 static gboolean
 251 modest_hildon1_window_mgr_close_all_windows (ModestWindowMgr *self)
 252 {
 253         ModestHildon1WindowMgrPrivate *priv = NULL;
 254         gboolean ret_value = FALSE;
 255         ModestWindow *main_window;
 256
 257         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 258         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 259
 260         /* If there is a main window then try to close it, and it will
 261            close the others if needed */
 262         main_window = modest_window_mgr_get_main_window (self, FALSE);
 263         if (main_window) {
 264                 g_signal_emit_by_name (main_window, "delete-event", NULL, &ret_value);
 265                 return ret_value;
 266         } else {
 267                 GList *wins = NULL, *next = NULL;
 268
 269                 /* delete-event handler actually removes window_list item, */
 270                 wins = priv->window_list;
 271                 while (wins) {
 272                         next = g_list_next (wins);
 273                         g_signal_emit_by_name (G_OBJECT (wins->data), "delete-event", NULL, &ret_value);
 274                         if (ret_value)
 275                                 break;
 276                         wins = next;
 277                 }
 278         }
 279
 280         return ret_value;
 281 }
 282
 283 static gint
 284 compare_msguids (ModestWindow *win,
 285                  const gchar *uid)
 286 {
 287         const gchar *msg_uid;
 288
 289         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 290                 return 1;
 291
 292         /* Get message uid from msg window */
 293         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 294                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 295                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 296                         return 0;
 297         } else {
 298                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 299         }
 300
 301         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 302                 return 0;
 303         else
 304                 return 1;
 305 }
 306
 307 static gboolean
 308 modest_hildon1_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 309                                                   ModestWindow **win)
 310 {
 311         ModestHildon1WindowMgrPrivate *priv = NULL;
 312         gchar* uid = NULL;
 313         gboolean has_header, has_window = FALSE;
 314         GList *item = NULL;
 315
 316         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 317         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 318
 319         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 320
 321         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 322
 323         uid = modest_tny_folder_get_header_unique_id (header);
 324
 325         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 326         if (item) {
 327                 has_window = TRUE;
 328                 if (win) {
 329                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 330                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 331                                 g_debug ("not a valid window!");
 332                         else {
 333                                 g_debug ("found a window");
 334                                 *win = MODEST_WINDOW (item->data);
 335                         }
 336                 }
 337         }
 338         g_free (uid);
 339
 340         return has_header || has_window;
 341 }
 342
 343 static gboolean
 344 modest_hildon1_window_mgr_find_registered_message_uid (ModestWindowMgr *self, const gchar *msg_uid,
 345                                                        ModestWindow **win)
 346 {
 347         ModestHildon1WindowMgrPrivate *priv = NULL;
 348         gboolean has_header, has_window = FALSE;
 349         GList *item = NULL;
 350
 351         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 352         g_return_val_if_fail (msg_uid && msg_uid[0] != '\0', FALSE);
 353
 354         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 355
 356         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_message_uid (self, msg_uid, win);
 357
 358         item = g_list_find_custom (priv->window_list, msg_uid, (GCompareFunc) compare_msguids);
 359         if (item) {
 360                 has_window = TRUE;
 361                 if (win) {
 362                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 363                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 364                                 g_debug ("not a valid window!");
 365                         else {
 366                                 g_debug ("found a window");
 367                                 *win = MODEST_WINDOW (item->data);
 368                         }
 369                 }
 370         }
 371
 372         return has_header || has_window;
 373 }
 374
 375 static GList *
 376 modest_hildon1_window_mgr_get_window_list (ModestWindowMgr *self)
 377 {
 378         ModestHildon1WindowMgrPrivate *priv;
 379
 380         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 381         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 382
 383         return g_list_copy (priv->window_list);
 384 }
 385
 386 static const gchar *
 387 get_show_toolbar_key (GType window_type,
 388                       gboolean fullscreen)
 389 {
 390         const gchar *key = NULL;
 391
 392         if (window_type == MODEST_TYPE_MAIN_WINDOW)
 393                 key = (fullscreen) ?
 394                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 395                         MODEST_CONF_MAIN_WINDOW_SHOW_TOOLBAR;
 396         else if (window_type == MODEST_TYPE_MSG_VIEW_WINDOW)
 397                 key = (fullscreen) ?
 398                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 399                         MODEST_CONF_MSG_VIEW_WINDOW_SHOW_TOOLBAR;
 400         else if (window_type ==  MODEST_TYPE_MSG_EDIT_WINDOW)
 401                 key = (fullscreen) ?
 402                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR_FULLSCREEN :
 403                         MODEST_CONF_EDIT_WINDOW_SHOW_TOOLBAR;
 404         else
 405                 g_return_val_if_reached (NULL);
 406
 407         return key;
 408 }
 409
 410 #ifndef MODEST_TOOLKIT_GTK
 411 static void
 412 on_window_is_topmost (GObject    *gobject,
 413                       GParamSpec *arg1,
 414                       gpointer    user_data)
 415 {
 416         ModestHildon1WindowMgr *self;
 417         ModestHildon1WindowMgrPrivate *priv;
 418         ModestWindow *win = (ModestWindow *) gobject;
 419
 420         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (user_data));
 421
 422         self = MODEST_HILDON1_WINDOW_MGR (user_data);
 423         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 424
 425         if (hildon_window_get_is_topmost (HILDON_WINDOW (win)))
 426                 priv->current_top = win;
 427 }
 428
 429 #else
 430 static gboolean
 431 on_window_state_event (GtkWidget           *widget,
 432                        GdkEventWindowState *event,
 433                        gpointer             user_data)
 434 {
 435         ModestHildon1WindowMgr *self;
 436         ModestHildon1WindowMgrPrivate *priv;
 437
 438         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (user_data), FALSE);
 439
 440         self = MODEST_HILDON1_WINDOW_MGR (user_data);
 441         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 442
 443         MODEST_DEBUG_BLOCK (
 444                             if (event->changed_mask & GDK_WINDOW_STATE_WITHDRAWN)
 445                                     g_print ("GDK_WINDOW_STATE_WITHDRAWN\n");
 446                             if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 447                                     g_print ("GDK_WINDOW_STATE_ICONIFIED\n");
 448                             if (event->changed_mask & GDK_WINDOW_STATE_MAXIMIZED)
 449                                     g_print ("GDK_WINDOW_STATE_MAXIMIZED\n");
 450                             if (event->changed_mask & GDK_WINDOW_STATE_STICKY)
 451                                     g_print ("GDK_WINDOW_STATE_STICKY\n");
 452                             if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
 453                                     g_print ("GDK_WINDOW_STATE_FULLSCREEN\n");
 454                             if (event->changed_mask & GDK_WINDOW_STATE_ABOVE)
 455                                     g_print ("GDK_WINDOW_STATE_ABOVE\n");
 456                             if (event->changed_mask & GDK_WINDOW_STATE_BELOW)
 457                                     g_print ("GDK_WINDOW_STATE_BELOW\n");
 458                             );
 459         if (event->changed_mask & GDK_WINDOW_STATE_WITHDRAWN ||
 460             event->changed_mask & GDK_WINDOW_STATE_ABOVE) {
 461                 priv->current_top = MODEST_WINDOW (widget);
 462         }
 463
 464         return FALSE;
 465 }
 466 #endif
 467
 468 static gboolean
 469 modest_hildon1_window_mgr_register_window (ModestWindowMgr *self,
 470                                            ModestWindow *window,
 471                                            ModestWindow *parent)
 472 {
 473         GList *win;
 474         ModestHildon1WindowMgrPrivate *priv;
 475         gint *handler_id;
 476         const gchar *key;
 477         ModestWindow *main_window;
 478
 479         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 480         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 481
 482         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 483
 484         win = g_list_find (priv->window_list, window);
 485         if (win) {
 486                 /* this is for the case we want to register the window and it was already
 487                  * registered. We leave silently.
 488                  */
 489                 return FALSE;
 490         }
 491
 492         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 493                 return FALSE;
 494
 495         /* Add to list. Keep a reference to the window */
 496         g_object_ref (window);
 497         priv->window_list = g_list_prepend (priv->window_list, window);
 498
 499         /* Listen to window state changes. Unfortunately
 500            window-state-event does not properly work for the Maemo
 501            version, so we need to use is-topmost and the ifdef */
 502 #ifndef MODEST_TOOLKIT_GTK
 503         priv->window_state_uids =
 504                 modest_signal_mgr_connect (priv->window_state_uids,
 505                                            G_OBJECT (window),
 506                                            "notify::is-topmost",
 507                                            G_CALLBACK (on_window_is_topmost),
 508                                            self);
 509 #else
 510         priv->window_state_uids =
 511                 modest_signal_mgr_connect (priv->window_state_uids,
 512                                            G_OBJECT (window),
 513                                            "window-state-event",
 514                                            G_CALLBACK (on_window_state_event),
 515                                            self);
 516 #endif
 517         /* Listen to object destruction */
 518         handler_id = g_malloc0 (sizeof (gint));
 519         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 520         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 521
 522         main_window = modest_window_mgr_get_main_window (self, FALSE);
 523         /* If there is a msg view window, let the main window listen the msg-changed signal */
 524         if (MODEST_IS_MSG_VIEW_WINDOW(window) && main_window) {
 525                 gulong *handler;
 526                 handler = g_malloc0 (sizeof (gulong));
 527                 *handler = g_signal_connect (window, "msg-changed",
 528                                              G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed),
 529                                              main_window);
 530                 g_hash_table_insert (priv->viewer_handlers, window, handler);
 531         }
 532
 533         /* Put into fullscreen if needed */
 534         if (priv->fullscreen_mode)
 535                 gtk_window_fullscreen (GTK_WINDOW (window));
 536
 537         /* Show/hide toolbar & fullscreen */
 538         key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (window), priv->fullscreen_mode);
 539         modest_window_show_toolbar (window, modest_conf_get_bool (modest_runtime_get_conf (), key, NULL));
 540
 541         return TRUE;
 542 }
 543
 544 static void
 545 cancel_window_operations (ModestWindow *window)
 546 {
 547         GSList* pending_ops = NULL;
 548
 549         /* cancel open and receive operations */
 550         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 551                                                                  G_OBJECT (window));
 552         while (pending_ops != NULL) {
 553                 ModestMailOperationTypeOperation type;
 554                 GSList* tmp_list = NULL;
 555
 556                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 557                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 558                         modest_mail_operation_cancel (pending_ops->data);
 559                 }
 560                 g_object_unref (G_OBJECT (pending_ops->data));
 561                 tmp_list = pending_ops;
 562                 pending_ops = g_slist_next (pending_ops);
 563                 g_slist_free_1 (tmp_list);
 564         }
 565 }
 566
 567
 568
 569 static gboolean
 570 on_window_destroy (ModestWindow *window,
 571                    GdkEvent *event,
 572                    ModestHildon1WindowMgr *self)
 573 {
 574         gint dialog_response = GTK_RESPONSE_NONE;
 575         gboolean no_propagate = FALSE;
 576
 577         /* Specific stuff first */
 578         if (MODEST_IS_MAIN_WINDOW (window)) {
 579                 ModestHildon1WindowMgrPrivate *priv;
 580                 priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 581
 582                 /* If more than one window already opened */
 583                 if (g_list_length (priv->window_list) > 1) {
 584
 585                         /* Present the window if it's not visible now */
 586                         if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window))) {
 587                                 gtk_window_present (GTK_WINDOW (window));
 588                                 priv->current_top = window;
 589                         }
 590                         /* Create the confirmation dialog MSG-NOT308 */
 591                         dialog_response = modest_platform_run_confirmation_dialog (
 592                                         GTK_WINDOW (window), _("emev_nc_close_windows"));
 593
 594                         /* If the user wants to close all the windows */
 595                         if ((dialog_response == GTK_RESPONSE_OK)
 596                             || (dialog_response == GTK_RESPONSE_ACCEPT)
 597                             || (dialog_response == GTK_RESPONSE_YES)) {
 598                                         GList *iter = priv->window_list;
 599                                         do {
 600                                                 if (iter->data != window) {
 601                                                         GList *tmp = iter->next;
 602                                                         on_window_destroy (MODEST_WINDOW (iter->data),
 603                                                                         event,
 604                                                                         self);
 605                                                         iter = tmp;
 606                                                 } else {
 607                                                         iter = g_list_next (iter);
 608                                                 }
 609                                         } while (iter);
 610                         } else {
 611                                 return TRUE;
 612                         }
 613                 }
 614
 615                 /* Do not unregister it, just hide */
 616                 gtk_widget_hide_all (GTK_WIDGET (window));
 617
 618                 /* Cancel pending operations */
 619                 cancel_window_operations (window);
 620
 621                 /* Fake the window system, make it think that there is no window */
 622                 if (modest_window_mgr_get_num_windows (MODEST_WINDOW_MGR (self)) == 0)
 623                         g_signal_emit_by_name (self, "window-list-empty");
 624
 625                 no_propagate = TRUE;
 626         }
 627         else {
 628                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 629                         gboolean sent = FALSE;
 630                         gint response = GTK_RESPONSE_ACCEPT;
 631                         sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 632                         /* Save currently edited message to Drafts if it was not sent */
 633                         if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 634
 635                                 /* Raise the window if it's minimized */
 636                                 if (!gtk_window_has_toplevel_focus (GTK_WINDOW (window)))
 637                                         gtk_window_present (GTK_WINDOW (window));
 638
 639                                 response =
 640                                         modest_platform_run_confirmation_dialog (GTK_WINDOW (window),
 641                                                                                  _("mcen_nc_no_email_message_modified_save_changes"));
 642                                 /* Save to drafts */
 643                                 if (response == GTK_RESPONSE_OK)
 644                                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 645                                                 return TRUE;
 646                         }
 647                 }
 648                 /* Unregister window */
 649                 modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 650                 no_propagate = TRUE;
 651         }
 652
 653         return no_propagate;
 654 }
 655
 656 static void
 657 disconnect_msg_changed (gpointer key,
 658                         gpointer value,
 659                         gpointer user_data)
 660 {
 661         guint handler_id;
 662         handler_id = GPOINTER_TO_UINT(value);
 663
 664         if (key && G_IS_OBJECT(key))
 665                 g_signal_handler_disconnect (G_OBJECT (key), handler_id);
 666 }
 667
 668 static void
 669 modest_hildon1_window_mgr_unregister_window (ModestWindowMgr *self,
 670                                              ModestWindow *window)
 671 {
 672         GList *win;
 673         ModestHildon1WindowMgrPrivate *priv;
 674         gulong *tmp, handler_id;
 675
 676         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 677         g_return_if_fail (MODEST_IS_WINDOW (window));
 678
 679         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 680
 681         win = g_list_find (priv->window_list, window);
 682         if (!win) {
 683                 g_debug ("Trying to unregister a window that has not being registered yet");
 684                 return;
 685         }
 686
 687         /* If it's the main window unset it */
 688         if (MODEST_IS_MAIN_WINDOW (window)) {
 689                 modest_window_mgr_set_main_window (self, NULL);
 690
 691                 /* Disconnect all emissions of msg-changed */
 692                 if (priv->viewer_handlers) {
 693                         g_hash_table_foreach (priv->viewer_handlers,
 694                                               disconnect_msg_changed,
 695                                               NULL);
 696                         g_hash_table_destroy (priv->viewer_handlers);
 697                         priv->viewer_handlers = NULL;
 698                 }
 699         }
 700
 701         /* Remove the viewer window handler from the hash table. The
 702            HashTable could not exist if the main window was closed
 703            when there were other windows remaining */
 704         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 705                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 706                 /* If the viewer was created without a main window
 707                    (for example when opening a message through D-Bus
 708                    the viewer handlers was not registered */
 709                 if (tmp) {
 710                         g_signal_handler_disconnect (window, *tmp);
 711                         g_hash_table_remove (priv->viewer_handlers, window);
 712                 }
 713         }
 714
 715         /* Remove from list & hash table */
 716         priv->window_list = g_list_remove_link (priv->window_list, win);
 717         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 718         handler_id = *tmp;
 719
 720         g_hash_table_remove (priv->destroy_handlers, window);
 721
 722         /* cancel open and receive operations */
 723         cancel_window_operations (window);
 724
 725         /* Check if it's the topmost window, and remove the window from the stack.
 726          * This is needed for the cases there's no other topmost window that will
 727          * replace it in topmost handler.
 728          */
 729          if (window == priv->current_top)
 730                  priv->current_top = NULL;
 731
 732         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 733         if (priv->window_state_uids) {
 734 #ifndef MODEST_TOOLKIT_GTK
 735                 priv->window_state_uids =
 736                         modest_signal_mgr_disconnect (priv->window_state_uids,
 737                                                       G_OBJECT (window),
 738                                                       "notify::is-topmost");
 739 #else
 740                 priv->window_state_uids =
 741                         modest_signal_mgr_disconnect (priv->window_state_uids,
 742                                                       G_OBJECT (window),
 743                                                       "window-state-event");
 744 #endif
 745         }
 746
 747         /* Disconnect the "delete-event" handler, we won't need it anymore */
 748         g_signal_handler_disconnect (window, handler_id);
 749
 750         /* Destroy the window */
 751         g_object_unref (win->data);
 752         g_list_free (win);
 753
 754         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 755
 756         /* If there are no more windows registered emit the signal */
 757         if (modest_window_mgr_get_num_windows (self) == 0)
 758                 g_signal_emit_by_name (self, "window-list-empty");
 759 }
 760
 761
 762
 763 static void
 764 modest_hildon1_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 765                                                gboolean on)
 766 {
 767         ModestHildon1WindowMgrPrivate *priv;
 768         GList *win = NULL;
 769         ModestConf *conf;
 770
 771         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 772
 773         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 774
 775         /* If there is no change do nothing */
 776         if (priv->fullscreen_mode == on)
 777                 return;
 778
 779         priv->fullscreen_mode = on;
 780
 781         conf = modest_runtime_get_conf ();
 782
 783         /* Update windows */
 784         win = priv->window_list;
 785         while (win) {
 786                 gboolean show;
 787                 const gchar *key = NULL;
 788
 789                 /* Getting this from gconf everytime is not that
 790                    expensive, we'll do it just a few times */
 791                 key = get_show_toolbar_key (G_TYPE_FROM_INSTANCE (win->data), on);
 792                 show = modest_conf_get_bool (conf, key, NULL);
 793
 794                 /* Set fullscreen/unfullscreen */
 795                 if (on)
 796                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 797                 else
 798                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 799
 800                 /* Show/Hide toolbar */
 801                 modest_window_show_toolbar (MODEST_WINDOW (win->data), show);
 802
 803                 win = g_list_next (win);
 804         }
 805 }
 806
 807 static gboolean
 808 modest_hildon1_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 809 {
 810         ModestHildon1WindowMgrPrivate *priv;
 811
 812         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), FALSE);
 813
 814         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 815
 816         return priv->fullscreen_mode;
 817 }
 818
 819 static void
 820 modest_hildon1_window_mgr_show_toolbars (ModestWindowMgr *self,
 821                                          GType window_type,
 822                                          gboolean show_toolbars,
 823                                          gboolean fullscreen)
 824 {
 825         ModestHildon1WindowMgrPrivate *priv;
 826         ModestConf *conf;
 827         const gchar *key = NULL;
 828
 829         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 830
 831         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 832         conf = modest_runtime_get_conf ();
 833
 834         /* If nothing changes then return */
 835         key = get_show_toolbar_key (window_type, fullscreen);
 836         conf = modest_runtime_get_conf ();
 837         if (modest_conf_get_bool (conf, key, NULL) == show_toolbars)
 838                 return;
 839
 840         /* Save in conf */
 841         modest_conf_set_bool (conf, key, show_toolbars, NULL);
 842
 843         /* Apply now if the view mode is the right one */
 844         if ((fullscreen && priv->fullscreen_mode) ||
 845             (!fullscreen && !priv->fullscreen_mode)) {
 846
 847                 GList *win = priv->window_list;
 848
 849                 while (win) {
 850                         if (G_TYPE_FROM_INSTANCE (win->data) == window_type)
 851                                 modest_window_show_toolbar (MODEST_WINDOW (win->data),
 852                                                             show_toolbars);
 853                         win = g_list_next (win);
 854                 }
 855         }
 856 }
 857
 858 static ModestWindow*
 859 modest_hildon1_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 860 {
 861         ModestHildon1WindowMgrPrivate *priv;
 862         ModestWindow *result;
 863
 864         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 865         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 866
 867         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 868         /* create the main window, if it hasn't been created yet */
 869         if (!result && show) {
 870                 /* modest_window_mgr_register_window will set priv->main_window */
 871                 result = modest_main_window_new ();
 872                 modest_window_mgr_register_window (self, result, NULL);
 873                 gtk_widget_show_all (GTK_WIDGET (result));
 874                 gtk_window_present (GTK_WINDOW (result));
 875                 MODEST_DEBUG_BLOCK(
 876                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 877                 );
 878         }
 879
 880         return result;
 881 }
 882
 883
 884 static GtkWindow *
 885 modest_hildon1_window_mgr_get_modal (ModestWindowMgr *self)
 886 {
 887         ModestHildon1WindowMgrPrivate *priv;
 888
 889         g_return_val_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self), NULL);
 890         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 891
 892         return g_queue_peek_head (priv->modal_windows);
 893 }
 894
 895
 896 static void
 897 modest_hildon1_window_mgr_set_modal (ModestWindowMgr *self,
 898                                      GtkWindow *window,
 899                                      GtkWindow *parent)
 900 {
 901         GtkWindow *old_modal;
 902         ModestHildon1WindowMgrPrivate *priv;
 903
 904         g_return_if_fail (MODEST_IS_HILDON1_WINDOW_MGR (self));
 905         g_return_if_fail (GTK_IS_WINDOW (window));
 906
 907         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 908         g_mutex_lock (priv->queue_lock);
 909         old_modal = g_queue_peek_head (priv->modal_windows);
 910         g_mutex_unlock (priv->queue_lock);
 911
 912         if (!old_modal) {
 913                 /* make us transient wrt the main window then */
 914                 if (priv->current_top && ((GtkWindow *) priv->current_top != window)) {
 915                         gtk_window_set_transient_for (window, GTK_WINDOW(priv->current_top));
 916                 } else {
 917                         ModestWindow *main_win = modest_window_mgr_get_main_window (self, FALSE);
 918                         if (GTK_WINDOW(main_win) != window) /* they should not be the same */
 919                                 gtk_window_set_transient_for (window, GTK_WINDOW(main_win));
 920                 }
 921                 gtk_window_set_modal (window, TRUE);
 922         } else {
 923                 /* un-modalize the old one; the one on top should be the
 924                  * modal one */
 925                 gtk_window_set_transient_for (window, GTK_WINDOW(old_modal));
 926                 gtk_window_set_modal (window, TRUE);
 927         }
 928
 929         /* this will be the new modal window */
 930         g_mutex_lock (priv->queue_lock);
 931         g_queue_push_head (priv->modal_windows, window);
 932         g_mutex_unlock (priv->queue_lock);
 933
 934         if (GTK_IS_DIALOG (window)) {
 935                 /* Note that response is not always enough because it
 936                    could be captured and removed easily by dialogs but
 937                    works for most of situations */
 938                 priv->modal_handler_uids =
 939                         modest_signal_mgr_connect (priv->modal_handler_uids,
 940                                                    G_OBJECT (window),
 941                                                    "response",
 942                                                    G_CALLBACK (on_modal_dialog_close),
 943                                                    self);
 944                 /* We need this as well because dialogs are often
 945                    destroyed with gtk_widget_destroy and this one will
 946                    prevent response from happening */
 947                 priv->modal_handler_uids =
 948                         modest_signal_mgr_connect (priv->modal_handler_uids,
 949                                                    G_OBJECT (window),
 950                                                    "destroy",
 951                                                    G_CALLBACK (on_modal_dialog_destroy),
 952                                                    self);
 953         } else {
 954                 priv->modal_handler_uids =
 955                         modest_signal_mgr_connect (priv->modal_handler_uids,
 956                                                    G_OBJECT (window),
 957                                                    "delete-event",
 958                                                    G_CALLBACK (on_modal_window_close),
 959                                                    self);
 960         }
 961         /* Destroy width parent */
 962         gtk_window_set_destroy_with_parent (window, TRUE);
 963 }
 964
 965
 966
 967 static gboolean
 968 idle_top_modal (gpointer data)
 969 {
 970         ModestWindowMgr *self = MODEST_WINDOW_MGR (data);
 971         ModestHildon1WindowMgrPrivate *priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
 972         GtkWindow *topmost;
 973
 974         /* Get the top modal */
 975         g_mutex_lock (priv->queue_lock);
 976         topmost = (GtkWindow *) g_queue_peek_head (priv->modal_windows);
 977         g_mutex_unlock (priv->queue_lock);
 978
 979         /* Show it */
 980         if (topmost) {
 981                 gdk_threads_enter ();
 982                 gtk_window_present (topmost);
 983                 /* It seems that the window looses modality if some
 984                    other is shown on top of it after set_transient_for
 985                    and set_parent */
 986                 gtk_window_set_modal (topmost, TRUE);
 987                 gdk_threads_leave ();
 988         }
 989
 990         return FALSE;
 991 }
 992
 993 static void
 994 remove_modal_from_queue (GtkWidget *widget,
 995                          ModestWindowMgr *self)
 996 {
 997         ModestHildon1WindowMgrPrivate *priv;
 998         GList *item = NULL;
 999
1000         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
1001
1002         /* Remove from queue. We don't use remove, because we want to
1003            exit if the widget does not belong to the queue */
1004         g_mutex_lock (priv->queue_lock);
1005         item = g_queue_find (priv->modal_windows, widget);
1006         if (!item) {
1007                 g_debug ("Trying to remove a modal window that is not registered");
1008                 g_mutex_unlock (priv->queue_lock);
1009                 return;
1010         }
1011         g_queue_unlink (priv->modal_windows, item);
1012         g_mutex_unlock (priv->queue_lock);
1013
1014         /* Disconnect handler */
1015         priv->modal_handler_uids =
1016                 modest_signal_mgr_disconnect (priv->modal_handler_uids,
1017                                               G_OBJECT (widget),
1018                                               GTK_IS_DIALOG (widget) ?
1019                                               "response" :
1020                                               "delete-event");
1021         if (GTK_IS_DIALOG (widget))
1022                 priv->modal_handler_uids =
1023                         modest_signal_mgr_disconnect (priv->modal_handler_uids,
1024                                                       G_OBJECT (widget),
1025                                                       "destroy");
1026
1027         /* Schedule the next one for being shown */
1028         g_idle_add (idle_top_modal, self);
1029 }
1030
1031 static gboolean
1032 on_modal_window_close (GtkWidget *widget,
1033                        GdkEvent *event,
1034                        gpointer user_data)
1035 {
1036         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1037
1038         /* Remove modal window from queue */
1039         remove_modal_from_queue (widget, self);
1040
1041         /* Continue */
1042         return FALSE;
1043 }
1044
1045 static void
1046 on_modal_dialog_close (GtkDialog *dialog,
1047                        gint arg1,
1048                        gpointer user_data)
1049 {
1050         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1051
1052         /* Remove modal window from queue. Note that if "destroy"
1053            signal was invoked before the response the window could be
1054            already deleted */
1055         remove_modal_from_queue (GTK_WIDGET (dialog), self);
1056 }
1057
1058 static void
1059 on_modal_dialog_destroy (GtkObject *object,
1060                          gpointer   user_data)
1061 {
1062         ModestWindowMgr *self = MODEST_WINDOW_MGR (user_data);
1063
1064         /* Remove modal window from queue */
1065         remove_modal_from_queue (GTK_WIDGET (object), self);
1066 }
1067
1068 static ModestWindow*
1069 modest_hildon1_window_mgr_get_current_top (ModestWindowMgr *self)
1070 {
1071         ModestHildon1WindowMgrPrivate *priv;
1072
1073         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
1074
1075         return priv->current_top;
1076 }
1077
1078 static gboolean
1079 modest_hildon1_window_mgr_screen_is_on (ModestWindowMgr *self)
1080 {
1081         ModestHildon1WindowMgrPrivate *priv;
1082         ModestWindow *main_window;
1083
1084         priv = MODEST_HILDON1_WINDOW_MGR_GET_PRIVATE (self);
1085
1086         main_window = modest_window_mgr_get_main_window (self, FALSE);
1087         if (main_window && MODEST_IS_MAIN_WINDOW (main_window)) {
1088                 return modest_main_window_screen_is_on (MODEST_MAIN_WINDOW (main_window));
1089         } else {
1090                 return TRUE;
1091         }
1092 }