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
  90 typedef struct _ModestHildon2WindowMgrPrivate ModestHildon2WindowMgrPrivate;
  91 struct _ModestHildon2WindowMgrPrivate {
  92         GList        *window_list;
  93         GMutex       *queue_lock;
  94         GQueue       *modal_windows;
  95
  96         gboolean     fullscreen_mode;
  97
  98         GHashTable   *destroy_handlers;
  99         GHashTable   *viewer_handlers;
 100         GSList       *window_state_uids;
 101
 102         guint        closing_time;
 103
 104         GSList       *modal_handler_uids;
 105         ModestWindow *current_top;
 106
 107         gulong        accounts_handler;
 108
 109         /* Display state */
 110         osso_display_state_t display_state;
 111 };
 112 #define MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 113                                                                                    MODEST_TYPE_HILDON2_WINDOW_MGR, \
 114                                                                                    ModestHildon2WindowMgrPrivate))
 115 /* globals */
 116 static GObjectClass *parent_class = NULL;
 117
 118 GType
 119 modest_hildon2_window_mgr_get_type (void)
 120 {
 121         static GType my_type = 0;
 122         if (!my_type) {
 123                 static const GTypeInfo my_info = {
 124                         sizeof(ModestHildon2WindowMgrClass),
 125                         NULL,           /* base init */
 126                         NULL,           /* base finalize */
 127                         (GClassInitFunc) modest_hildon2_window_mgr_class_init,
 128                         NULL,           /* class finalize */
 129                         NULL,           /* class data */
 130                         sizeof(ModestHildon2WindowMgr),
 131                         1,              /* n_preallocs */
 132                         (GInstanceInitFunc) modest_hildon2_window_mgr_instance_init,
 133                         NULL
 134                 };
 135                 my_type = g_type_register_static (MODEST_TYPE_WINDOW_MGR,
 136                                                   "ModestHildon2WindowMgr",
 137                                                   &my_info, 0);
 138         }
 139         return my_type;
 140 }
 141
 142 static void
 143 modest_hildon2_window_mgr_class_init (ModestHildon2WindowMgrClass *klass)
 144 {
 145         GObjectClass *gobject_class;
 146         ModestWindowMgrClass *mgr_class;
 147
 148         gobject_class = (GObjectClass*) klass;
 149         mgr_class = (ModestWindowMgrClass *) klass;
 150
 151         parent_class            = g_type_class_peek_parent (klass);
 152         gobject_class->finalize = modest_hildon2_window_mgr_finalize;
 153         mgr_class->register_window = modest_hildon2_window_mgr_register_window;
 154         mgr_class->unregister_window = modest_hildon2_window_mgr_unregister_window;
 155         mgr_class->set_fullscreen_mode = modest_hildon2_window_mgr_set_fullscreen_mode;
 156         mgr_class->get_fullscreen_mode = modest_hildon2_window_mgr_get_fullscreen_mode;
 157         mgr_class->show_toolbars = modest_hildon2_window_mgr_show_toolbars;
 158         mgr_class->get_main_window = modest_hildon2_window_mgr_get_main_window;
 159         mgr_class->get_modal = modest_hildon2_window_mgr_get_modal;
 160         mgr_class->set_modal = modest_hildon2_window_mgr_set_modal;
 161         mgr_class->find_registered_header = modest_hildon2_window_mgr_find_registered_header;
 162         mgr_class->get_window_list = modest_hildon2_window_mgr_get_window_list;
 163         mgr_class->close_all_windows = modest_hildon2_window_mgr_close_all_windows;
 164         mgr_class->show_initial_window = modest_hildon2_window_mgr_show_initial_window;
 165         mgr_class->get_current_top = modest_hildon2_window_mgr_get_current_top;
 166         mgr_class->screen_is_on = modest_hildon2_window_mgr_screen_is_on;
 167
 168         g_type_class_add_private (gobject_class, sizeof(ModestHildon2WindowMgrPrivate));
 169
 170 }
 171
 172 static void
 173 modest_hildon2_window_mgr_instance_init (ModestHildon2WindowMgr *obj)
 174 {
 175         ModestHildon2WindowMgrPrivate *priv;
 176
 177         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 178         priv->window_list = NULL;
 179         priv->fullscreen_mode = FALSE;
 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         priv->display_state = OSSO_DISPLAY_ON;
 194
 195         /* Listen for changes in the screen, we don't want to show a
 196            led pattern when the display is on for example */
 197         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 198                                       osso_display_event_cb,
 199                                       obj);
 200
 201 }
 202
 203 static void
 204 modest_hildon2_window_mgr_finalize (GObject *obj)
 205 {
 206         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE(obj);
 207         ModestTnyAccountStore *acc_store;
 208
 209         modest_signal_mgr_disconnect_all_and_destroy (priv->window_state_uids);
 210         priv->window_state_uids = NULL;
 211
 212         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 213                                       NULL,
 214                                       NULL);
 215
 216         acc_store = modest_runtime_get_account_store ();
 217         if (acc_store && g_signal_handler_is_connected (acc_store, priv->accounts_handler))
 218             g_signal_handler_disconnect (acc_store, priv->accounts_handler);
 219
 220         if (priv->window_list) {
 221                 GList *iter = priv->window_list;
 222                 /* unregister pending windows */
 223                 while (iter) {
 224                         ModestWindow *window = (ModestWindow *) iter->data;
 225                         iter = g_list_next (iter);
 226                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj), window);
 227                 }
 228                 g_list_free (priv->window_list);
 229                 priv->window_list = NULL;
 230         }
 231
 232         /* Free the hash table with the handlers */
 233         if (priv->destroy_handlers) {
 234                 g_hash_table_destroy (priv->destroy_handlers);
 235                 priv->destroy_handlers = NULL;
 236         }
 237
 238         if (priv->viewer_handlers) {
 239                 g_hash_table_destroy (priv->viewer_handlers);
 240                 priv->viewer_handlers = NULL;
 241         }
 242
 243         modest_signal_mgr_disconnect_all_and_destroy (priv->modal_handler_uids);
 244         priv->modal_handler_uids = NULL;
 245
 246         if (priv->modal_windows) {
 247                 g_mutex_lock (priv->queue_lock);
 248                 g_queue_free (priv->modal_windows);
 249                 priv->modal_windows = NULL;
 250                 g_mutex_unlock (priv->queue_lock);
 251         }
 252         g_mutex_free (priv->queue_lock);
 253
 254         /* Do not unref priv->main_window because it does not hold a
 255            new reference */
 256
 257         G_OBJECT_CLASS(parent_class)->finalize (obj);
 258 }
 259
 260 ModestWindowMgr*
 261 modest_hildon2_window_mgr_new (void)
 262 {
 263         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_HILDON2_WINDOW_MGR, NULL));
 264 }
 265
 266 static gboolean
 267 modest_hildon2_window_mgr_close_all_windows (ModestWindowMgr *self)
 268 {
 269         ModestHildon2WindowMgrPrivate *priv = NULL;
 270         gboolean ret_value = FALSE;
 271         GtkWidget *window;
 272         HildonWindowStack *stack;
 273         gboolean failed = FALSE;
 274
 275         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 276         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 277
 278         stack = hildon_window_stack_get_default ();
 279
 280         while ((window = hildon_window_stack_peek (stack)) != NULL) {
 281                 g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 282                 if (ret_value == TRUE) {
 283                         failed = TRUE;
 284                         break;
 285                 }
 286         }
 287
 288         return !failed;
 289 }
 290
 291 static gint
 292 compare_msguids (ModestWindow *win,
 293                  const gchar *uid)
 294 {
 295         const gchar *msg_uid;
 296
 297         if ((!MODEST_IS_MSG_EDIT_WINDOW (win)) && (!MODEST_IS_MSG_VIEW_WINDOW (win)))
 298                 return 1;
 299
 300         /* Get message uid from msg window */
 301         if (MODEST_IS_MSG_EDIT_WINDOW (win)) {
 302                 msg_uid = modest_msg_edit_window_get_message_uid (MODEST_MSG_EDIT_WINDOW (win));
 303                 if (msg_uid && uid &&!strcmp (msg_uid, uid))
 304                         return 0;
 305         } else {
 306                 msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 307         }
 308
 309         if (msg_uid && uid &&!strcmp (msg_uid, uid))
 310                 return 0;
 311         else
 312                 return 1;
 313 }
 314
 315 static gboolean
 316 modest_hildon2_window_mgr_find_registered_header (ModestWindowMgr *self, TnyHeader *header,
 317                                                   ModestWindow **win)
 318 {
 319         ModestHildon2WindowMgrPrivate *priv = NULL;
 320         gchar* uid = NULL;
 321         gboolean has_header, has_window = FALSE;
 322         GList *item = NULL;
 323
 324         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 325         g_return_val_if_fail (TNY_IS_HEADER(header), FALSE);
 326
 327         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 328
 329         has_header = MODEST_WINDOW_MGR_CLASS (parent_class)->find_registered_header (self, header, win);
 330
 331         uid = modest_tny_folder_get_header_unique_id (header);
 332
 333         item = g_list_find_custom (priv->window_list, uid, (GCompareFunc) compare_msguids);
 334         if (item) {
 335                 has_window = TRUE;
 336                 if (win) {
 337                         if ((!MODEST_IS_MSG_VIEW_WINDOW(item->data)) &&
 338                             (!MODEST_IS_MSG_EDIT_WINDOW (item->data)))
 339                                 g_debug ("not a valid window!");
 340                         else {
 341                                 g_debug ("found a window");
 342                                 *win = MODEST_WINDOW (item->data);
 343                         }
 344                 }
 345         }
 346         g_free (uid);
 347
 348         return has_header || has_window;
 349 }
 350
 351 static GList *
 352 modest_hildon2_window_mgr_get_window_list (ModestWindowMgr *self)
 353 {
 354         ModestHildon2WindowMgrPrivate *priv;
 355
 356         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 357         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 358
 359         return g_list_copy (priv->window_list);
 360 }
 361
 362 static gboolean
 363 modest_hildon2_window_mgr_register_window (ModestWindowMgr *self,
 364                                            ModestWindow *window,
 365                                            ModestWindow *parent)
 366 {
 367         GList *win;
 368         ModestHildon2WindowMgrPrivate *priv;
 369         gint *handler_id;
 370         HildonWindowStack *stack;
 371         gboolean nested_msg = FALSE;
 372         ModestWindow *current_top;
 373
 374         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 375         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
 376
 377         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 378
 379         stack = hildon_window_stack_get_default ();
 380         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 381
 382         win = g_list_find (priv->window_list, window);
 383         if (win) {
 384                 /* this is for the case we want to register the window
 385                    and it was already registered */
 386                 gtk_window_present (GTK_WINDOW (win));
 387                 return FALSE;
 388         }
 389
 390         if (MODEST_IS_FOLDER_WINDOW (current_top) && MODEST_IS_FOLDER_WINDOW (window)) {
 391                 g_debug ("Trying to register a second folder window is not allowed");
 392                 gtk_window_present (GTK_WINDOW (current_top));
 393                 return FALSE;
 394         }
 395
 396         if (MODEST_IS_HEADER_WINDOW (current_top) && MODEST_IS_HEADER_WINDOW (window)) {
 397                 g_debug ("Trying to register a second header window is not allowed");
 398                 gtk_window_present (GTK_WINDOW (current_top));
 399                 return FALSE;
 400         }
 401
 402         if (!MODEST_WINDOW_MGR_CLASS (parent_class)->register_window (self, window, parent))
 403                 goto fail;
 404
 405         /* Add to list. Keep a reference to the window */
 406         g_object_ref (window);
 407         priv->window_list = g_list_prepend (priv->window_list, window);
 408
 409         nested_msg = MODEST_IS_MSG_VIEW_WINDOW (window) &&
 410                 MODEST_IS_MSG_VIEW_WINDOW (parent);
 411
 412         /* Close views if they're being shown. Nevertheless we must
 413            allow nested messages */
 414         if (!nested_msg &&
 415             (MODEST_IS_MSG_EDIT_WINDOW (current_top) ||
 416              MODEST_IS_MSG_VIEW_WINDOW (current_top))) {
 417                 gboolean retval;
 418
 419                 /* If the current view has modal dialogs then
 420                    we fail to register the new view */
 421                 if ((current_top != NULL) &&
 422                     window_has_modals (MODEST_WINDOW (current_top))) {
 423                         /* Window on top but it has opened dialogs */
 424                         goto fail;
 425                 }
 426
 427                 /* Close the current view */
 428                 g_signal_emit_by_name (G_OBJECT (current_top), "delete-event", NULL, &retval);
 429                 if (retval == TRUE) {
 430                         /* Cancelled closing top window, then we fail to register */
 431                         goto fail;
 432                 }
 433         }
 434
 435         /* Listen to object destruction */
 436         handler_id = g_malloc0 (sizeof (gint));
 437         *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
 438         g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 439
 440         /* Show toolbar always */
 441         modest_window_show_toolbar (window, TRUE);
 442
 443         return TRUE;
 444 fail:
 445         /* Add to list. Keep a reference to the window */
 446         priv->window_list = g_list_remove (priv->window_list, window);
 447         g_object_unref (window);
 448         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 449         if (current_top)
 450                 gtk_window_present (GTK_WINDOW (current_top));
 451         return FALSE;
 452 }
 453
 454 static void
 455 cancel_window_operations (ModestWindow *window)
 456 {
 457         GSList* pending_ops = NULL;
 458
 459         /* cancel open and receive operations */
 460         pending_ops = modest_mail_operation_queue_get_by_source (modest_runtime_get_mail_operation_queue (),
 461                                                                  G_OBJECT (window));
 462         while (pending_ops != NULL) {
 463                 ModestMailOperationTypeOperation type;
 464                 GSList* tmp_list = NULL;
 465
 466                 type = modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (pending_ops->data));
 467                 if (type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || type == MODEST_MAIL_OPERATION_TYPE_OPEN) {
 468                         modest_mail_operation_cancel (pending_ops->data);
 469                 }
 470                 g_object_unref (G_OBJECT (pending_ops->data));
 471                 tmp_list = pending_ops;
 472                 pending_ops = g_slist_next (pending_ops);
 473                 g_slist_free_1 (tmp_list);
 474         }
 475 }
 476
 477 static gboolean
 478 window_has_modals (ModestWindow *window)
 479 {
 480         GList *toplevels;
 481         GList *node;
 482         gboolean retvalue = FALSE;
 483
 484         /* First we fetch all toplevels */
 485         toplevels = gtk_window_list_toplevels ();
 486         for (node = toplevels; node != NULL; node = g_list_next (node)) {
 487                 if (GTK_IS_WINDOW (node->data) &&
 488                     gtk_window_get_transient_for (GTK_WINDOW (node->data)) == GTK_WINDOW (window) &&
 489                     GTK_WIDGET_VISIBLE (node->data)) {
 490                         retvalue = TRUE;
 491                         break;
 492                 }
 493         }
 494         g_list_free (toplevels);
 495         return retvalue;
 496 }
 497
 498 static gboolean
 499 window_can_close (ModestWindow *window)
 500 {
 501         /* An editor can be always closed no matter the dialogs it has
 502          * on top. */
 503         if (MODEST_IS_MSG_EDIT_WINDOW (window))
 504                 return TRUE;
 505
 506         return !window_has_modals (window);
 507 }
 508
 509 static gboolean
 510 on_window_destroy (ModestWindow *window,
 511                    GdkEvent *event,
 512                    ModestHildon2WindowMgr *self)
 513 {
 514         gboolean no_propagate = FALSE;
 515
 516         if (!window_can_close (window))
 517                 return TRUE;
 518
 519         if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 520                 gboolean sent = FALSE;
 521                 sent = modest_msg_edit_window_get_sent (MODEST_MSG_EDIT_WINDOW (window));
 522                 /* Save currently edited message to Drafts if it was not sent */
 523                 if (!sent && modest_msg_edit_window_is_modified (MODEST_MSG_EDIT_WINDOW (window))) {
 524                         ModestMsgEditWindow *edit_window;
 525                         MsgData *data;
 526
 527                         edit_window = MODEST_MSG_EDIT_WINDOW (window);
 528                         data = modest_msg_edit_window_get_msg_data (edit_window);
 529
 530                         if (data) {
 531                                 gint parts_count;
 532                                 guint64 parts_size, available_size, expected_size;
 533
 534                                 available_size = modest_utils_get_available_space (NULL);
 535                                 modest_msg_edit_window_get_parts_size (edit_window, &parts_count, &parts_size);
 536                                 expected_size = modest_tny_msg_estimate_size (data->plain_body,
 537                                                                               data->html_body,
 538                                                                               parts_count,
 539                                                                               parts_size);
 540                                 modest_msg_edit_window_free_msg_data (edit_window, data);
 541                                 data = NULL;
 542
 543                                 /* If there is not enough space
 544                                    available for saving the message
 545                                    then show an error and do not close
 546                                    the window */
 547                                 if (expected_size >= available_size) {
 548                                         modest_platform_run_information_dialog (GTK_WINDOW (edit_window),
 549                                                                                 _("mail_in_ui_save_error"),
 550                                                                                 FALSE);
 551                                         return TRUE;
 552                                 } else {
 553                                         if (!modest_ui_actions_on_save_to_drafts (NULL, MODEST_MSG_EDIT_WINDOW (window)))
 554                                                 return TRUE;
 555                                 }
 556                         } else {
 557                                 g_warning ("Edit window without message data. This is probably a bug");
 558                         }
 559                 }
 560         }
 561
 562         /* Unregister window */
 563         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (self), window);
 564         no_propagate = FALSE;
 565
 566         return no_propagate;
 567 }
 568
 569 static void
 570 modest_hildon2_window_mgr_unregister_window (ModestWindowMgr *self,
 571                                              ModestWindow *window)
 572 {
 573         GList *win;
 574         ModestHildon2WindowMgrPrivate *priv;
 575         gulong *tmp, handler_id;
 576         guint num_windows;
 577
 578         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 579         g_return_if_fail (MODEST_IS_WINDOW (window));
 580
 581         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 582
 583         win = g_list_find (priv->window_list, window);
 584         if (!win) {
 585                 g_warning ("Trying to unregister a window that has not being registered yet");
 586                 return;
 587         }
 588
 589         /* Remove the viewer window handler from the hash table. The
 590            HashTable could not exist if the main window was closed
 591            when there were other windows remaining */
 592         if (MODEST_IS_MSG_VIEW_WINDOW (window) && priv->viewer_handlers) {
 593                 tmp = (gulong *) g_hash_table_lookup (priv->viewer_handlers, window);
 594                 /* If the viewer was created without a main window
 595                    (for example when opening a message through D-Bus
 596                    the viewer handlers was not registered */
 597                 if (tmp) {
 598                         g_signal_handler_disconnect (window, *tmp);
 599                         g_hash_table_remove (priv->viewer_handlers, window);
 600                 }
 601         }
 602
 603         /* Remove from list & hash table */
 604         priv->window_list = g_list_remove_link (priv->window_list, win);
 605         tmp = g_hash_table_lookup (priv->destroy_handlers, window);
 606         handler_id = *tmp;
 607
 608         g_hash_table_remove (priv->destroy_handlers, window);
 609
 610         /* cancel open and receive operations */
 611         cancel_window_operations (window);
 612
 613         /* Disconnect the "window-state-event" handler, we won't need it anymore */
 614         if (priv->window_state_uids) {
 615                 priv->window_state_uids =
 616                         modest_signal_mgr_disconnect (priv->window_state_uids,
 617                                                       G_OBJECT (window),
 618                                                       "notify::is-topmost");
 619         }
 620
 621         /* Disconnect the "delete-event" handler, we won't need it anymore */
 622         g_signal_handler_disconnect (window, handler_id);
 623
 624         /* Destroy the window */
 625         g_object_unref (win->data);
 626         g_list_free (win);
 627
 628         MODEST_WINDOW_MGR_CLASS (parent_class)->unregister_window (self, window);
 629
 630         /* We have to get the number of windows here in order not to
 631            emit the signal too many times */
 632         num_windows = modest_window_mgr_get_num_windows (self);
 633
 634         /* If there are no more windows registered emit the signal */
 635         if (num_windows == 0)
 636                 g_signal_emit_by_name (self, "window-list-empty");
 637 }
 638
 639
 640 static void
 641 modest_hildon2_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 642                                                gboolean on)
 643 {
 644         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 645
 646         return;
 647 }
 648
 649 static gboolean
 650 modest_hildon2_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 651 {
 652         return FALSE;
 653 }
 654
 655 static void
 656 modest_hildon2_window_mgr_show_toolbars (ModestWindowMgr *self,
 657                                          GType window_type,
 658                                          gboolean show_toolbars,
 659                                          gboolean fullscreen)
 660 {
 661         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 662
 663         return;
 664 }
 665
 666 static ModestWindow*
 667 modest_hildon2_window_mgr_get_main_window (ModestWindowMgr *self, gboolean show)
 668 {
 669         ModestHildon2WindowMgrPrivate *priv;
 670         ModestWindow *result;
 671
 672         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 673         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 674
 675         /* TODO: make this return NULL always */
 676
 677         result = MODEST_WINDOW_MGR_CLASS (parent_class)->get_main_window (self, FALSE);
 678         /* create the main window, if it hasn't been created yet */
 679         if (!result && show) {
 680                 /* modest_window_mgr_register_window will set priv->main_window */
 681                 result = modest_main_window_new ();
 682                 /* We have to remove all other windows */
 683                 if (!modest_window_mgr_close_all_windows (self)) {
 684                         gtk_widget_destroy (GTK_WIDGET (result));
 685                         return NULL;
 686                 }
 687                 if (!modest_window_mgr_register_window (self, result, NULL)) {
 688                         gtk_widget_destroy (GTK_WIDGET (result));
 689                         return NULL;
 690                 }
 691                 MODEST_DEBUG_BLOCK(
 692                         g_debug ("%s: created main window: %p\n", __FUNCTION__, result);
 693                 );
 694         }
 695         if (show) {
 696                 gtk_widget_show_all (GTK_WIDGET (result));
 697                 gtk_window_present (GTK_WINDOW (result));
 698         }
 699
 700         return result;
 701 }
 702
 703
 704 static GtkWindow *
 705 modest_hildon2_window_mgr_get_modal (ModestWindowMgr *self)
 706 {
 707         ModestHildon2WindowMgrPrivate *priv;
 708         GList *toplevel_list;
 709         GtkWidget *toplevel;
 710
 711         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 712         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 713
 714         toplevel = NULL;
 715         toplevel_list = gtk_window_list_toplevels ();
 716         while (toplevel_list) {
 717                 if (gtk_window_is_active (toplevel_list->data)) {
 718                         toplevel = toplevel_list->data;
 719                         break;
 720                 }
 721                 toplevel_list = g_list_next (toplevel_list);
 722         }
 723
 724         return NULL;
 725 }
 726
 727
 728 static void
 729 modest_hildon2_window_mgr_set_modal (ModestWindowMgr *self,
 730                                      GtkWindow *window,
 731                                      GtkWindow *parent)
 732 {
 733         g_return_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self));
 734         g_return_if_fail (GTK_IS_WINDOW (window));
 735
 736         gtk_window_set_modal (window, TRUE);
 737         gtk_window_set_transient_for (window, parent);
 738         gtk_window_set_destroy_with_parent (window, TRUE);
 739 }
 740
 741 static ModestWindow *
 742 create_folders_view (ModestWindowMgr *self)
 743 {
 744         GtkWidget *folders_window;
 745         ModestAccountMgr *mgr;
 746         const gchar *acc_name;
 747
 748         folders_window = (GtkWidget *) modest_folder_window_new (NULL);
 749         mgr = modest_runtime_get_account_mgr ();
 750         acc_name = modest_account_mgr_get_default_account (mgr);
 751         if (!acc_name)
 752                 acc_name = MODEST_LOCAL_FOLDERS_ACCOUNT_NAME;
 753         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (folders_window),
 754                                           acc_name);
 755         if (modest_window_mgr_register_window (self, MODEST_WINDOW (folders_window), NULL)) {
 756                 gtk_widget_show (folders_window);
 757         } else {
 758                 gtk_widget_destroy (folders_window);
 759                 folders_window = NULL;
 760         }
 761         return MODEST_WINDOW (folders_window);
 762 }
 763
 764 static void
 765 on_account_removed (TnyAccountStore *acc_store,
 766                     TnyAccount *account,
 767                     gpointer user_data)
 768 {
 769         HildonWindowStack *stack;
 770         ModestWindow *current_top;
 771         gboolean has_accounts;
 772
 773         /* Ignore transport account removals */
 774         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 775                 return;
 776
 777         stack = hildon_window_stack_get_default ();
 778         current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 779         has_accounts = modest_account_mgr_has_accounts (modest_runtime_get_account_mgr (), TRUE);
 780
 781         if (current_top &&
 782             MODEST_IS_ACCOUNTS_WINDOW (current_top) &&
 783             !has_accounts) {
 784                 create_folders_view (MODEST_WINDOW_MGR (user_data));
 785         }
 786
 787         /* if we're showing the header view of the currently deleted
 788            account, or the outbox and we deleted the last account,
 789            then close the window */
 790         if (current_top && MODEST_IS_HEADER_WINDOW (current_top)) {
 791                 ModestHeaderView *header_view;
 792                 TnyFolder *folder;
 793                 gboolean deleted = FALSE;
 794
 795                 header_view = modest_header_window_get_header_view (MODEST_HEADER_WINDOW (current_top));
 796                 folder = modest_header_view_get_folder (header_view);
 797                 if (folder) {
 798                         gboolean retval;
 799
 800                         /* Close if it's my account */
 801                         if (!TNY_IS_MERGE_FOLDER (folder)) {
 802                                 TnyAccount *my_account;
 803
 804                                 my_account = tny_folder_get_account (folder);
 805                                 if (my_account) {
 806                                         if (my_account == account) {
 807                                                 g_signal_emit_by_name (G_OBJECT (current_top),
 808                                                                        "delete-event",
 809                                                                        NULL, &retval);
 810                                                 deleted = TRUE;
 811                                         }
 812                                         g_object_unref (my_account);
 813                                 }
 814                         }
 815
 816                         /* Close if viewing outbox and no account left */
 817                         if (tny_folder_get_folder_type (folder) == TNY_FOLDER_TYPE_OUTBOX) {
 818                                 if (!has_accounts) {
 819                                         g_signal_emit_by_name (G_OBJECT (current_top),
 820                                                                "delete-event",
 821                                                                NULL, &retval);
 822                                         deleted = TRUE;
 823                                 }
 824                         }
 825                         g_object_unref (folder);
 826
 827                         if (deleted) {
 828                                 current_top = (ModestWindow *) hildon_window_stack_peek (stack);
 829                         }
 830                 }
 831         }
 832 }
 833
 834 static ModestWindow *
 835 modest_hildon2_window_mgr_show_initial_window (ModestWindowMgr *self)
 836 {
 837         ModestWindow *initial_window = NULL;
 838         ModestTnyAccountStore *acc_store;
 839         ModestHildon2WindowMgrPrivate *priv;
 840
 841         /* Return accounts window */
 842         initial_window = MODEST_WINDOW (modest_accounts_window_new ());
 843         modest_window_mgr_register_window (self, initial_window, NULL);
 844
 845         /* Check if we have at least one remote account to create also
 846            the folders window */
 847         acc_store = modest_runtime_get_account_store ();
 848         if (modest_tny_account_store_get_num_remote_accounts (acc_store) < 1) {
 849                 ModestWindow *win;
 850                /* Show first the accounts window to add it to the
 851                    stack. This has to be changed when the new
 852                    stackable API is available. There will be a method
 853                    to show all the windows that will only show the
 854                    last one to the user. The current code shows both
 855                    windows, one after the other */
 856                 gtk_widget_show (GTK_WIDGET (initial_window));
 857
 858                 win = create_folders_view (MODEST_WINDOW_MGR (self));
 859                 if (win)
 860                         initial_window = win;
 861         }
 862
 863         /* Connect to the account store "account-removed" signal". If
 864            we're showing the accounts window and all the accounts are
 865            deleted we need to move to folders window automatically */
 866         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 867         priv->accounts_handler = g_signal_connect (acc_store,
 868                                                    "account-removed",
 869                                                    G_CALLBACK (on_account_removed),
 870                                                    self);
 871
 872         return initial_window;
 873 }
 874
 875
 876 static ModestWindow *
 877 modest_hildon2_window_mgr_get_current_top (ModestWindowMgr *self)
 878 {
 879         HildonWindowStack *stack;
 880         stack = hildon_window_stack_get_default ();
 881         return (ModestWindow *) hildon_window_stack_peek (stack);
 882 }
 883
 884 static gint
 885 find_folder_window (gconstpointer a,
 886                     gconstpointer b)
 887 {
 888         return (MODEST_IS_FOLDER_WINDOW (a)) ? 0 : 1;
 889 }
 890
 891 ModestWindow *
 892 modest_hildon2_window_mgr_get_folder_window (ModestHildon2WindowMgr *self)
 893 {
 894         ModestHildon2WindowMgrPrivate *priv;
 895         GList *window;
 896
 897         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), NULL);
 898
 899         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 900
 901         window = g_list_find_custom (priv->window_list,
 902                                      NULL,
 903                                      find_folder_window);
 904
 905         return (window != NULL) ? MODEST_WINDOW (window->data) : NULL;
 906 }
 907
 908 static gboolean
 909 modest_hildon2_window_mgr_screen_is_on (ModestWindowMgr *self)
 910 {
 911         ModestHildon2WindowMgrPrivate *priv = NULL;
 912
 913         g_return_val_if_fail (MODEST_IS_HILDON2_WINDOW_MGR (self), FALSE);
 914
 915         priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (self);
 916
 917         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 918 }
 919
 920 static void
 921 osso_display_event_cb (osso_display_state_t state,
 922                        gpointer data)
 923 {
 924         ModestHildon2WindowMgrPrivate *priv = MODEST_HILDON2_WINDOW_MGR_GET_PRIVATE (data);
 925
 926         priv->display_state = state;
 927
 928         /* Stop blinking if the screen becomes on */
 929         if (priv->display_state == OSSO_DISPLAY_ON)
 930                 modest_platform_remove_new_mail_notifications (TRUE);
 931 }
 932