git.maemo.org Git - modest/blob - src/hildon2/modest-hildon2-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 <hildon/hildon.h>
  32 #include "modest-hildon2-window-mgr.h"
  33 #include "modest-msg-edit-window.h"
  34 #include "modest-header-window.h"
  35 #include "modest-main-window.h"
  36 #include "modest-conf.h"
  37 #include "modest-defs.h"
  38 #include "modest-signal-mgr.h"
  39 #include "modest-runtime.h"
  40 #include "modest-platform.h"
  41 #include "modest-ui-actions.h"
  42 #include "modest-debug.h"
  43 #include "modest-tny-folder.h"
  44 #include "modest-folder-window.h"
  45 #include "modest-accounts-window.h"
  46 #include "modest-maemo-utils.h"
  47 #include "modest-utils.h"
  48 #include "modest-tny-msg.h"
  49 #include <tny-merge-folder.h>
  50
  51 /* 'private'/'protected' functions */
  52 static void modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass);
  53 static void modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj);
  54 static void modest_hildon2_window_mgr_finalize   (GObject *obj);
  55
  56 static gboolean on_window_destroy        (ModestWindow *window,
  57                                           GdkEvent *event,
  58                                           ModestHildon2WindowMgr *self);
  59
  60 static gboolean modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
  61                                                            ModestWindow *window,
  62                                                            ModestWindow *parent);
  63 static void modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
  64                                                          ModestWindow *window);
  65 static void modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
  66                                                            gboolean on);
  67 static gboolean modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self);
  68 static void modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
  69                                                      GType window_type,
  70                                                      gboolean show_toolbars,
  71                                                      gboolean fullscreen);
  72 static ModestWindow* modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show);
  73 static GtkWindow *modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self);
  74 static void modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
  75                                                  GtkWindow *window,
  76                                                  GtkWindow *parent);
  77 static gboolean modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self,
  78                                                                   TnyHeader *header,
  79                                                                   ModestWindow **win);
  80 static GList *modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self);
  81 static gboolean modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self);
  82 static gboolean window_can_close (ModestWindow *window);
  83 static gboolean window_has_modals (ModestWindow *window);
  84 static ModestWindow *modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self);
  85 static ModestWindow *modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self);
  86 static gboolean modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self);
  87 static void osso_display_event_cb (osso_display_state_t state,
  88                                    gpointer data);
  89 static void on_account_removed (TnyAccountStore *acc_store,
  90                                 TnyAccount *account,
  91                                 gpointer user_data);
  92
  93 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  94 struct _ModestHildon2WindowMgrPrivate {
  95         GList        *window_list;
  96         GMutex       *queue_lock;
  97         GQueue       *modal_windows;
  98
  99         gboolean     fullscreen_mode;
 100
 101         GHashTable   *destroy_handlers;
 102         GHashTable   *viewer_handlers;
 103         GSList       *window_state_uids;
 104
 105         guint        closing_time;
 106
 107         GSList       *modal_handler_uids;
 108         ModestWindow *current_top;
 109
 110         gulong        accounts_handler;
 111
 112         /* Display state */
 113         osso_display_state_t display_state;
 114 };
 115 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 116                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 117                                                                                    ModestHildon2WindowMgrPrivate))
 118 /* globals */
 119 static GObjectClass *parent_class = NULL;
 120
 121 GType
 122 modest_hildon2_window_mgr_get_type (void)
 123 {
 124         static GType my_type = 0;
 125         if (!my_type) {
 126                 static const GTypeInfo my_info = {
 127                         sizeof(ModestHildon2WindowMgrClass),
 128                         NULL,           /* base init */
 129                         NULL,           /* base finalize */
 130                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 131                         NULL,           /* class finalize */
 132                         NULL,           /* class data */
 133                         sizeof(ModestHildon2WindowMgr),
 134                         1,              /* n_preallocs */
 135                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 136                         NULL
 137                 };
 138                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 139                                                   "ModestHildon2WindowMgr",
 140                                                   &my_info, 0);
 141         }
 142         return my_type;
 143 }
 144
 145 static void
 146 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 147 {
 148         GObjectClass *gobject_class;
 149         ModestWindowMgrClass *mgr_class;
 150
 151         gobject_class = (GObjectClass*) klass;
 152         mgr_class = (ModestWindowMgrClass *) klass;
 153
 154         parent_class            = g_type_class_peek_parent (klass);
 155         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 156         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 157         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 158         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 159         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 160         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 161         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 162         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 163         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 164         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 165         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 166         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 167         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 168         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 169         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 170
 171         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 172
 173 }
 174
 175 static void
 176 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 177 {
 178         ModestHildon2WindowMgrPrivate *priv;
 179
 180         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 181         priv->window_list = NULL;
 182         priv->fullscreen_mode = FALSE;
 183         priv->window_state_uids = NULL;
 184
 185         priv->modal_windows = g_queue_new ();
 186         priv->queue_lock = g_mutex_new ();
 187
 188         /* Could not initialize it from gconf, singletons are not
 189            ready yet */
 190         priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 191         priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 192
 193         priv->closing_time = 0;
 194
 195         priv->modal_handler_uids = NULL;
 196         priv->display_state = OSSO_DISPLAY_ON;
 197
 198         /* Listen for changes in the screen, we don't want to show a
 199            led pattern when the display is on for example */
 200         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 201                                       osso_display_event_cb,
 202                                       obj);
 203
 204 }
 205
 206 static void
 207 modest_hildon2_window_mgr_finalize (GObject *obj)
 208 {
 209         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 210         ModestTnyAccountStore *acc_store;
 211
 212         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 213         priv->window_state_uids = NULL;
 214
 215         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 216                                       NULL, NULL);
 217
 218         acc_store = modest_runtime_get_account_store ();
 219         if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
 220                 g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 221
 222         if (priv->window_list) {
 223                 GList *iter = priv->window_list;
 224                 /* unregister pending windows */
 225                 while (iter) {
 226                         ModestWindow *window = (ModestWindow *) iter->data;
 227                         iter = g_list_next (iter);
 228                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 229                 }
 230                 g_list_free (priv->window_list);
 231                 priv->window_list = NULL;
 232         }
 233
 234         /* Free the hash table with the handlers */
 235         if (priv->destroy_handlers) {
 236                 g_hash_table_destroy (priv->destroy_handlers);
 237                 priv->destroy_handlers = NULL;
 238         }
 239
 240         if (priv->viewer_handlers) {
 241                 g_hash_table_destroy (priv->viewer_handlers);
 242                 priv->viewer_handlers = NULL;
 243         }
 244
 245         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 246         priv->modal_handler_uids = NULL;
 247
 248         if (priv->modal_windows) {
 249                 g_mutex_lock (priv->queue_lock);
 250                 g_queue_free (priv->modal_windows);
 251                 priv->modal_windows = NULL;
 252                 g_mutex_unlock (priv->queue_lock);
 253         }
 254         g_mutex_free (priv->queue_lock);
 255
 256         /* Do not unref priv->main_window because it does not hold a
 257            new reference */
 258
 259         G_OBJECT_CLASS(parent_class)->finalize (obj);
 260 }
 261
 262 ModestWindowMgr*
 263 modest_hildon2_window_mgr_new (void)
 264 {
 265         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 266 }
 267
 268 static gboolean
 269 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 270 {
 271         ModestHildon2WindowMgrPrivate *priv = NULL;
 272         gboolean ret_value = FALSE;
 273         GtkWidget *window;
 274         HildonWindowStack *stack;
 275         gboolean failed = FALSE;
 276
 277         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 278         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 279
 280         stack = hildon_window_stack_get_default ();
 281
 282         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 283                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 284                 if (ret_value == TRUE) {
 285                         failed = TRUE;
 286                         break;
 287                 }
 288         }
 289
 290         return !failed;
 291 }
 292
 293 static gint
 294 compare_msguids (ModestWindow *win,
 295                  const gchar *uid)
 296 {
 297         const gchar *msg_uid;
 298
 299         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 300                 return 1;
 301
 302         /* Get message uid from msg window */
 303         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 304                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 305                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 306                         return 0;
 307         } else {
 308                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 309         }
 310
 311         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 312                 return 0;
 313         else
 314                 return 1;
 315 }
 316
 317 static gboolean
 318 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 319                                                   ModestWindow **win)
 320 {
 321         ModestHildon2WindowMgrPrivate *priv = NULL;
 322         gchar* uid = NULL;
 323         gboolean has_header, has_window = FALSE;
 324         GList *item = NULL;
 325
 326         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 327         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 328
 329         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 330
 331         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 332
 333         uid = modest_tny_folder_get_header_unique_id (header);
 334
 335         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 336         if (item) {
 337                 has_window = TRUE;
 338                 if (win) {
 339                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 340                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 341                                 g_debug ("not a valid window!");
 342                         else {
 343                                 g_debug ("found a window");
 344                                 *win = MODEST_WINDOW (item->data);
 345                         }
 346                 }
 347         }
 348         g_free (uid);
 349
 350         return has_header || has_window;
 351 }
 352
 353 static GList *
 354 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 355 {
 356         ModestHildon2WindowMgrPrivate *priv;
 357
 358         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 359         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 360
 361         return g_list_copy (priv->window_list);
 362 }
 363
 364 static gboolean
 365 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 366                                            ModestWindow *window,
 367                                            ModestWindow *parent)
 368 {
 369         GList *win;
 370         ModestHildon2WindowMgrPrivate *priv;
 371         gint *handler_id;
 372         HildonWindowStack *stack;
 373         gboolean nested_msg = FALSE;
 374         ModestWindow *current_top;
 375
 376         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 377         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 378
 379         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 380
 381         stack = hildon_window_stack_get_default ();
 382         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 383
 384         win = g_list_find (priv->window_list, window);
 385         if (win) {
 386                 /* this is for the case we want to register the window
 387                    and it was already registered */
 388                 gtk_window_present (GTK_WINDOW (win));
 389                 return FALSE;
 390         }
 391
 392         if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
 393                 g_debug ("Trying to register a second folder window is not allowed");
 394                 gtk_window_present (GTK_WINDOW (current_top));
 395                 return FALSE;
 396         }
 397
 398         if (MODEST_IS_HEADER_WINDOW (current_top) && MODEST_IS_HEADER_WINDOW (window)) {
 399                 g_debug ("Trying to register a second header window is not allowed");
 400                 gtk_window_present (GTK_WINDOW (current_top));
 401                 return FALSE;
 402         }
 403
 404         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 405                 goto fail;
 406
 407         /* Add to list. Keep a reference to the window */
 408         g_object_ref (window);
 409         priv->window_list = g_list_prepend (priv->window_list, window);
 410
 411         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 412                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 413
 414         /* Close views if they're being shown. Nevertheless we must
 415            allow nested messages */
 416         if (!nested_msg &&
 417             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 418              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 419                 gboolean retval;
 420
 421                 /* If the current view has modal dialogs then
 422                    we fail to register the new view */
 423                 if ((current_top != NULL) &&
 424                     window_has_modals (MODEST_WINDOW (current_top))) {
 425                         /* Window on top but it has opened dialogs */
 426                         goto fail;
 427                 }
 428
 429                 /* Close the current view */
 430                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 431                 if (retval == TRUE) {
 432                         /* Cancelled closing top window, then we fail to register */
 433                         goto fail;
 434                 }
 435         }
 436
 437         /* Listen to object destruction */
 438         handler_id = g_malloc0 (sizeof (gint));
 439         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 440         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 441
 442         /* Show toolbar always */
 443         modest_window_show_toolbar (window, TRUE);
 444
 445         return TRUE;
 446 fail:
 447         /* Add to list. Keep a reference to the window */
 448         priv->window_list = g_list_remove (priv->window_list, window);
 449         g_object_unref (window);
 450         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 451         if (current_top)
 452                 gtk_window_present (GTK_WINDOW (current_top));
 453         return FALSE;
 454 }
 455
 456 static void
 457 cancel_window_operations (ModestWindow *window)
 458 {
 459         GSList* pending_ops = NULL;
 460
 461         /* cancel open and receive operations */
 462         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 463                                                                  G_OBJECT (window));
 464         while (pending_ops != NULL) {
 465                 ModestMailOperationTypeOperation type;
 466                 GSList* tmp_list = NULL;
 467
 468                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 469                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 470                         modest_mail_operation_cancel (pending_ops->data);
 471                 }
 472                 g_object_unref (G_OBJECT (pending_ops->data));
 473                 tmp_list = pending_ops;
 474                 pending_ops = g_slist_next (pending_ops);
 475                 g_slist_free_1 (tmp_list);
 476         }
 477 }
 478
 479 static gboolean
 480 window_has_modals (ModestWindow *window)
 481 {
 482         GList *toplevels;
 483         GList *node;
 484         gboolean retvalue = FALSE;
 485
 486         /* First we fetch all toplevels */
 487         toplevels = gtk_window_list_toplevels ();
 488         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 489                 if (GTK_IS_WINDOW (node->data) &&
 490                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 491                     GTK_WIDGET_VISIBLE (node->data)) {
 492                         retvalue = TRUE;
 493                         break;
 494                 }
 495         }
 496         g_list_free (toplevels);
 497         return retvalue;
 498 }
 499
 500 static gboolean
 501 window_can_close (ModestWindow *window)
 502 {
 503         /* An editor can be always closed no matter the dialogs it has
 504          * on top. */
 505         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 506                 return TRUE;
 507
 508         return !window_has_modals (window);
 509 }
 510
 511 static gboolean
 512 on_window_destroy (ModestWindow *window,
 513                    GdkEvent *event,
 514                    ModestHildon2WindowMgr *self)
 515 {
 516         gboolean no_propagate = FALSE;
 517
 518         if (!window_can_close (window))
 519                 return TRUE;
 520
 521         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 522                 gboolean sent = FALSE;
 523                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 524                 /* Save currently edited message to Drafts if it was not sent */
 525                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 526                         ModestMsgEditWindow *edit_window;
 527                         MsgData *data;
 528
 529                         edit_window = MODEST_MSG_EDIT_WINDOW (window);
 530                         data = modest_msg_edit_window_get_msg_data (edit_window);
 531
 532                         if (data) {
 533                                 gint parts_count;
 534                                 guint64 parts_size, available_size, expected_size;
 535
 536                                 available_size = modest_utils_get_available_space (NULL);
 537                                 modest_msg_edit_window_get_parts_size (edit_window, &parts_count, &parts_size);
 538                                 expected_size = modest_tny_msg_estimate_size (data->plain_body,
 539                                                                               data->html_body,
 540                                                                               parts_count,
 541                                                                               parts_size);
 542                                 modest_msg_edit_window_free_msg_data (edit_window, data);
 543                                 data = NULL;
 544
 545                                 /* If there is not enough space
 546                                    available for saving the message
 547                                    then show an error and close the
 548                                    window without saving */
 549                                 if (expected_size >= available_size) {
 550                                         modest_platform_run_information_dialog (GTK_WINDOW (edit_window),
 551                                                                                 _("mail_in_ui_save_error"),
 552                                                                                 FALSE);
 553                                 } else {
 554                                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 555                                                 return TRUE;
 556                                 }
 557                         } else {
 558                                 g_warning ("Edit window without message data. This is probably a bug");
 559                         }
 560                 }
 561         }
 562
 563         /* Unregister window */
 564         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 565         no_propagate = FALSE;
 566
 567         return no_propagate;
 568 }
 569
 570 static void
 571 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 572                                              ModestWindow *window)
 573 {
 574         GList *win;
 575         ModestHildon2WindowMgrPrivate *priv;
 576         gulong *tmp, handler_id;
 577         guint num_windows;
 578
 579         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 580         g_return_if_fail (MODEST_IS_WINDOW (window));
 581
 582         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 583
 584         win = g_list_find (priv->window_list, window);
 585         if (!win) {
 586                 g_warning ("Trying to unregister a window that has not being registered yet");
 587                 return;
 588         }
 589
 590         /* Remove the viewer window handler from the hash table. The
 591            HashTable could not exist if the main window was closed
 592            when there were other windows remaining */
 593         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 594                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 595                 /* If the viewer was created without a main window
 596                    (for example when opening a message through D-Bus
 597                    the viewer handlers was not registered */
 598                 if (tmp) {
 599                         g_signal_handler_disconnect (window, *tmp);
 600                         g_hash_table_remove (priv->viewer_handlers, window);
 601                 }
 602         }
 603
 604         /* Remove from list & hash table */
 605         priv->window_list = g_list_remove_link (priv->window_list, win);
 606         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 607         handler_id = *tmp;
 608
 609         g_hash_table_remove (priv->destroy_handlers, window);
 610
 611         /* cancel open and receive operations */
 612         cancel_window_operations (window);
 613
 614         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 615         if (priv->window_state_uids) {
 616                 priv->window_state_uids =
 617                         modest_signal_mgr_disconnect (priv->window_state_uids,
 618                                                       G_OBJECT (window),
 619                                                       "notify::is-topmost");
 620         }
 621
 622         /* Disconnect the "delete-event" handler, we won't need it anymore */
 623         g_signal_handler_disconnect (window, handler_id);
 624
 625         /* Destroy the window */
 626         g_object_unref (win->data);
 627         g_list_free (win);
 628
 629         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 630
 631         /* We have to get the number of windows here in order not to
 632            emit the signal too many times */
 633         num_windows = modest_window_mgr_get_num_windows (self);
 634
 635         /* If there are no more windows registered emit the signal */
 636         if (num_windows == 0)
 637                 g_signal_emit_by_name (self, "window-list-empty");
 638 }
 639
 640
 641 static void
 642 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 643                                                gboolean on)
 644 {
 645         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 646
 647         return;
 648 }
 649
 650 static gboolean
 651 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 652 {
 653         return FALSE;
 654 }
 655
 656 static void
 657 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 658                                          GType window_type,
 659                                          gboolean show_toolbars,
 660                                          gboolean fullscreen)
 661 {
 662         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 663
 664         return;
 665 }
 666
 667 static ModestWindow*
 668 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 669 {
 670         ModestHildon2WindowMgrPrivate *priv;
 671         ModestWindow *result;
 672
 673         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 674         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 675
 676         /* TODO: make this return NULL always */
 677
 678         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 679         /* create the main window, if it hasn't been created yet */
 680         if (!result && show) {
 681                 /* modest_window_mgr_register_window will set priv->main_window */
 682                 result = modest_main_window_new ();
 683                 /* We have to remove all other windows */
 684                 if (!modest_window_mgr_close_all_windows (self)) {
 685                         gtk_widget_destroy (GTK_WIDGET (result));
 686                         return NULL;
 687                 }
 688                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 689                         gtk_widget_destroy (GTK_WIDGET (result));
 690                         return NULL;
 691                 }
 692                 MODEST_DEBUG_BLOCK(
 693                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 694                 );
 695         }
 696         if (show) {
 697                 gtk_widget_show_all (GTK_WIDGET (result));
 698                 gtk_window_present (GTK_WINDOW (result));
 699         }
 700
 701         return result;
 702 }
 703
 704
 705 static GtkWindow *
 706 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 707 {
 708         ModestHildon2WindowMgrPrivate *priv;
 709         GList *toplevel_list;
 710         GtkWidget *toplevel;
 711
 712         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 713         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 714
 715         toplevel = NULL;
 716         toplevel_list = gtk_window_list_toplevels ();
 717         while (toplevel_list) {
 718                 if (gtk_window_is_active (toplevel_list->data)) {
 719                         toplevel = toplevel_list->data;
 720                         break;
 721                 }
 722                 toplevel_list = g_list_next (toplevel_list);
 723         }
 724
 725         return NULL;
 726 }
 727
 728
 729 static void
 730 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 731                                      GtkWindow *window,
 732                                      GtkWindow *parent)
 733 {
 734         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 735         g_return_if_fail (GTK_IS_WINDOW (window));
 736
 737         gtk_window_set_modal (window, TRUE);
 738         gtk_window_set_transient_for (window, parent);
 739         gtk_window_set_destroy_with_parent (window, TRUE);
 740 }
 741
 742 static void
 743 on_account_removed (TnyAccountStore *acc_store,
 744                     TnyAccount *account,
 745                     gpointer user_data)
 746 {
 747         HildonWindowStack *stack;
 748         ModestWindow *current_top;
 749         gboolean has_accounts;
 750
 751         /* Ignore transport account removals */
 752         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 753                 return;
 754
 755         stack = hildon_window_stack_get_default ();
 756         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 757         has_accounts = modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
 758
 759         /* if we're showing the header view of the currently deleted
 760            account, or the outbox and we deleted the last account,
 761            then close the window */
 762         if (current_top && MODEST_IS_HEADER_WINDOW (current_top)) {
 763                 ModestHeaderView *header_view;
 764                 TnyFolder *folder;
 765                 gboolean deleted = FALSE;
 766
 767                 header_view = modest_header_window_get_header_view (MODEST_HEADER_WINDOW (current_top));
 768                 folder = modest_header_view_get_folder (header_view);
 769                 if (folder) {
 770                         gboolean retval;
 771
 772                         /* Close if it's my account */
 773                         if (!TNY_IS_MERGE_FOLDER (folder)) {
 774                                 TnyAccount *my_account;
 775
 776                                 my_account = tny_folder_get_account (folder);
 777                                 if (my_account) {
 778                                         if (my_account == account) {
 779                                                 g_signal_emit_by_name (G_OBJECT (current_top),
 780                                                                        "delete-event",
 781                                                                        NULL, &retval);
 782                                                 deleted = TRUE;
 783                                         }
 784                                         g_object_unref (my_account);
 785                                 }
 786                         }
 787
 788                         /* Close if viewing outbox and no account left */
 789                         if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 790                                 if (!has_accounts) {
 791                                         g_signal_emit_by_name (G_OBJECT (current_top),
 792                                                                "delete-event",
 793                                                                NULL, &retval);
 794                                         deleted = TRUE;
 795                                 }
 796                         }
 797                         g_object_unref (folder);
 798
 799                         if (deleted) {
 800                                 current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 801                         }
 802                 }
 803         }
 804 }
 805
 806 static ModestWindow *
 807 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 808 {
 809         ModestWindow *initial_window = NULL;
 810         ModestHildon2WindowMgrPrivate *priv;
 811
 812         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 813
 814         /* Connect to the account store "account-removed" signal". We
 815            do this here because in the init the singletons are still
 816            not initialized properly */
 817         if (!g_signal_handler_is_connected (modest_runtime_get_account_store (),
 818                                             priv->accounts_handler)) {
 819                 priv->accounts_handler = g_signal_connect (modest_runtime_get_account_store (),
 820                                                            "account-removed",
 821                                                            G_CALLBACK (on_account_removed),
 822                                                            self);
 823         }
 824
 825         /* Return accounts window */
 826         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 827         modest_window_mgr_register_window (self, initial_window, NULL);
 828
 829         return initial_window;
 830 }
 831
 832
 833 static ModestWindow *
 834 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 835 {
 836         HildonWindowStack *stack;
 837         stack = hildon_window_stack_get_default ();
 838         return (ModestWindow *) hildon_window_stack_peek (stack);
 839 }
 840
 841 static gint
 842 find_folder_window (gconstpointer a,
 843                     gconstpointer b)
 844 {
 845         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 846 }
 847
 848 ModestWindow *
 849 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 850 {
 851         ModestHildon2WindowMgrPrivate *priv;
 852         GList *window;
 853
 854         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 855
 856         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 857
 858         window = g_list_find_custom (priv->window_list,
 859                                      NULL,
 860                                      find_folder_window);
 861
 862         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 863 }
 864
 865 static gboolean
 866 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 867 {
 868         ModestHildon2WindowMgrPrivate *priv = NULL;
 869
 870         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 871
 872         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 873
 874         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 875 }
 876
 877 static void
 878 osso_display_event_cb (osso_display_state_t state,
 879                        gpointer data)
 880 {
 881         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 882
 883         priv->display_state = state;
 884
 885         /* Stop blinking if the screen becomes on */
 886         if (priv->display_state == OSSO_DISPLAY_ON)
 887                 modest_platform_remove_new_mail_notifications (TRUE);
 888 }
 889