git.maemo.org Git - modest/blob - src/hildon2/modest-header-window.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 <modest-header-window.h>
  31 #include <modest-osso-state-saving.h>
  32 #include <libosso.h>
  33 #include <hildon/hildon-pannable-area.h>
  34 #include <modest-window-mgr.h>
  35 #include <modest-signal-mgr.h>
  36 #include <modest-runtime.h>
  37 #include <modest-platform.h>
  38 #include <modest-maemo-utils.h>
  39 #include <modest-icon-names.h>
  40 #include <modest-ui-constants.h>
  41 #include <modest-account-mgr.h>
  42 #include <modest-account-mgr-helpers.h>
  43 #include <modest-defs.h>
  44 #include <modest-widget-memory.h>
  45 #include <modest-ui-actions.h>
  46 #include <hildon/hildon-button.h>
  47 #include <hildon/hildon-program.h>
  48 #include <hildon/hildon-banner.h>
  49
  50 typedef enum {
  51         CONTENTS_STATE_NONE = 0,
  52         CONTENTS_STATE_EMPTY = 1,
  53         CONTENTS_STATE_HEADERS = 2
  54 } ContentsState;
  55
  56 typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
  57 struct _ModestHeaderWindowPrivate {
  58
  59         GtkWidget *header_view;
  60         GtkWidget *empty_view;
  61         GtkWidget *contents_view;
  62         GtkWidget *new_message_button;
  63
  64         ContentsState contents_state;
  65
  66         TnyFolder *folder;
  67
  68         /* signals */
  69         GSList *sighandlers;
  70
  71         /* Display state */
  72         osso_display_state_t display_state;
  73 };
  74 #define MODEST_HEADER_WINDOW_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  75                                                                           MODEST_TYPE_HEADER_WINDOW, \
  76                                                                           ModestHeaderWindowPrivate))
  77
  78 /* 'private'/'protected' functions */
  79 static void modest_header_window_class_init  (ModestHeaderWindowClass *klass);
  80 static void modest_header_window_init        (ModestHeaderWindow *obj);
  81 static void modest_header_window_finalize    (GObject *obj);
  82
  83 static void connect_signals (ModestHeaderWindow *self);
  84 static void modest_header_window_disconnect_signals (ModestWindow *self);
  85
  86 static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
  87 static void add_to_menu (ModestHeaderWindow *self,
  88                          HildonAppMenu *menu,
  89                          gchar *label,
  90                          GCallback callback);
  91 static void setup_menu (ModestHeaderWindow *self);
  92 static GtkWidget *create_empty_view (void);
  93 static GtkWidget *create_header_view (TnyFolder *folder);
  94
  95 static void update_view (ModestHeaderWindow *self,
  96                          TnyFolderChange *change);
  97 static void set_contents_state (ModestHeaderWindow *window,
  98                                 ContentsState state);
  99
 100 static void on_msg_count_changed (ModestHeaderView *header_view,
 101                                   TnyFolder *folder,
 102                                   TnyFolderChange *change,
 103                                   ModestHeaderWindow *header_window);
 104 static void on_header_activated (ModestHeaderView *header_view,
 105                                  TnyHeader *header,
 106                                  GtkTreePath *path,
 107                                  ModestHeaderWindow *header_window);
 108
 109
 110 /* globals */
 111 static GtkWindowClass *parent_class = NULL;
 112
 113 #define EMPTYVIEW_XALIGN 0.5
 114 #define EMPTYVIEW_YALIGN 0.0
 115 #define EMPTYVIEW_XSPACE 1.0
 116 #define EMPTYVIEW_YSPACE 0.0
 117
 118
 119
 120 /************************************************************************/
 121
 122 GType
 123 modest_header_window_get_type (void)
 124 {
 125         static GType my_type = 0;
 126         if (!my_type) {
 127                 static const GTypeInfo my_info = {
 128                         sizeof(ModestHeaderWindowClass),
 129                         NULL,           /* base init */
 130                         NULL,           /* base finalize */
 131                         (GClassInitFunc) modest_header_window_class_init,
 132                         NULL,           /* class finalize */
 133                         NULL,           /* class data */
 134                         sizeof(ModestHeaderWindow),
 135                         1,              /* n_preallocs */
 136                         (GInstanceInitFunc) modest_header_window_init,
 137                         NULL
 138                 };
 139                 my_type = g_type_register_static (MODEST_TYPE_WINDOW,
 140                                                   "ModestHeaderWindow",
 141                                                   &my_info, 0);
 142         }
 143         return my_type;
 144 }
 145
 146 static void
 147 modest_header_window_class_init (ModestHeaderWindowClass *klass)
 148 {
 149         GObjectClass *gobject_class;
 150         gobject_class = (GObjectClass*) klass;
 151         ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
 152
 153         parent_class            = g_type_class_peek_parent (klass);
 154         gobject_class->finalize = modest_header_window_finalize;
 155
 156         g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
 157
 158         modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
 159         modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
 160         modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
 161 }
 162
 163 static void
 164 modest_header_window_init (ModestHeaderWindow *obj)
 165 {
 166         ModestHeaderWindowPrivate *priv;
 167
 168         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 169
 170         priv->sighandlers = NULL;
 171         priv->display_state = OSSO_DISPLAY_ON;
 172
 173         priv->header_view = NULL;
 174         priv->empty_view = NULL;
 175         priv->contents_view = NULL;
 176         priv->contents_state = CONTENTS_STATE_NONE;
 177         priv->folder = NULL;
 178
 179         modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 180                                             GTK_WINDOW(obj),
 181                                             "applications_email_headerview");
 182 }
 183
 184 static void
 185 modest_header_window_finalize (GObject *obj)
 186 {
 187         ModestHeaderWindowPrivate *priv;
 188
 189         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
 190
 191         g_object_unref (priv->header_view);
 192         g_object_unref (priv->empty_view);
 193         g_object_unref (priv->folder);
 194
 195         /* Sanity check: shouldn't be needed, the window mgr should
 196            call this function before */
 197         modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
 198
 199         G_OBJECT_CLASS(parent_class)->finalize (obj);
 200 }
 201
 202 static void
 203 modest_header_window_disconnect_signals (ModestWindow *self)
 204 {
 205         ModestHeaderWindowPrivate *priv;
 206         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 207
 208         modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
 209         priv->sighandlers = NULL;
 210 }
 211
 212 static void
 213 connect_signals (ModestHeaderWindow *self)
 214 {
 215         ModestHeaderWindowPrivate *priv;
 216
 217         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 218
 219         /* header view */
 220
 221         priv->sighandlers =
 222                 modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
 223                                            "msg_count_changed",
 224                                            G_CALLBACK(on_msg_count_changed), self);
 225         priv->sighandlers =
 226                 modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
 227                                            "header-activated",
 228                                            G_CALLBACK (on_header_activated), self);
 229
 230         /* TODO: connect header view activate */
 231
 232         /* new message button */
 233
 234         g_signal_connect (G_OBJECT (priv->new_message_button), "clicked",
 235                           G_CALLBACK (modest_ui_actions_on_new_msg), (gpointer) self);
 236
 237         /* window */
 238
 239         /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
 240          * in destroy stage */
 241
 242
 243 }
 244
 245 static void
 246 osso_display_event_cb (osso_display_state_t state,
 247                        gpointer data)
 248 {
 249         ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
 250
 251         priv->display_state = state;
 252
 253         /* Stop blinking if the screen becomes on */
 254         if (priv->display_state == OSSO_DISPLAY_ON)
 255                 modest_platform_remove_new_mail_notifications (TRUE);
 256 }
 257
 258 static GtkWidget *
 259 create_header_view (TnyFolder *folder)
 260 {
 261         GtkWidget *header_view;
 262
 263         header_view  = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
 264         modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
 265                                        TRUE, NULL, NULL);
 266         modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
 267                                       MODEST_CONF_HEADER_VIEW_KEY);
 268
 269         return header_view;
 270 }
 271
 272 static GtkWidget *
 273 create_empty_view (void)
 274 {
 275         GtkLabel *label = NULL;
 276         GtkWidget *align = NULL;
 277
 278         align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
 279         label = GTK_LABEL(gtk_label_new (_("mcen_ia_nomessages")));
 280         gtk_label_set_justify (label, GTK_JUSTIFY_CENTER);
 281         gtk_container_add (GTK_CONTAINER (align), GTK_WIDGET(label));
 282
 283         return GTK_WIDGET(align);
 284 }
 285
 286
 287 ModestWindow *
 288 modest_header_window_new (TnyFolder *folder)
 289 {
 290         ModestHeaderWindow *self = NULL;
 291         ModestHeaderWindowPrivate *priv = NULL;
 292         HildonProgram *app;
 293         GdkPixbuf *window_icon;
 294         GtkWidget *pannable;
 295
 296         self  = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
 297         priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
 298
 299         priv->folder = g_object_ref (folder);
 300
 301         pannable = hildon_pannable_area_new ();
 302
 303         priv->header_view  = create_header_view (folder);
 304         priv->empty_view = create_empty_view ();
 305         g_object_ref (priv->header_view);
 306         g_object_ref (priv->empty_view);
 307         priv->contents_view = gtk_vbox_new (FALSE, 0);
 308         priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE,
 309                                                       HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
 310         hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_me_viewer_newemail"));
 311         hildon_button_set_image (HILDON_BUTTON (priv->new_message_button),
 312                                  gtk_image_new_from_stock (MODEST_STOCK_NEW_MAIL, GTK_ICON_SIZE_DIALOG));
 313         hildon_button_set_title_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 314         hildon_button_set_image_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
 315         hildon_button_set_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5, 1.0, 0.0);
 316         hildon_button_set_image_position (HILDON_BUTTON (priv->new_message_button), GTK_POS_LEFT);
 317
 318         setup_menu (self);
 319
 320         gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->new_message_button, FALSE, FALSE, 0);
 321         hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (pannable), priv->contents_view);
 322         gtk_container_add (GTK_CONTAINER (self), pannable);
 323
 324         gtk_widget_show (priv->contents_view);
 325         gtk_widget_show (pannable);
 326         gtk_widget_show (priv->new_message_button);
 327
 328         connect_signals (MODEST_HEADER_WINDOW (self));
 329
 330         update_view (self, NULL);
 331
 332         /* Load previous osso state, for instance if we are being restored from
 333          * hibernation:  */
 334         modest_osso_load_state ();
 335
 336         /* Get device name */
 337         modest_maemo_utils_get_device_name ();
 338
 339         app = hildon_program_get_instance ();
 340         hildon_program_add_window (app, HILDON_WINDOW (self));
 341
 342         /* Set window icon */
 343         window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
 344         if (window_icon) {
 345                 gtk_window_set_icon (GTK_WINDOW (self), window_icon);
 346                 g_object_unref (window_icon);
 347         }
 348
 349         /* Listen for changes in the screen, we don't want to show a
 350            led pattern when the display is on for example */
 351         osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
 352                                       osso_display_event_cb,
 353                                       self);
 354
 355         /* Dont't restore settings here,
 356          * because it requires a gtk_widget_show(),
 357          * and we don't want to do that until later,
 358          * so that the UI is not visible for non-menu D-Bus activation.
 359          */
 360
 361         return MODEST_WINDOW(self);
 362 }
 363
 364 static gboolean
 365 on_zoom_minus_plus_not_implemented (ModestWindow *window)
 366 {
 367         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
 368
 369         hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
 370         return FALSE;
 371
 372 }
 373
 374 gboolean
 375 modest_header_window_screen_is_on (ModestHeaderWindow *self)
 376 {
 377         ModestHeaderWindowPrivate *priv = NULL;
 378
 379         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 380
 381         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 382
 383         return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
 384 }
 385
 386 ModestHeaderView *
 387 modest_header_window_get_header_view (ModestHeaderWindow *self)
 388 {
 389         ModestHeaderWindowPrivate *priv = NULL;
 390
 391         g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
 392
 393         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 394
 395         return MODEST_HEADER_VIEW (priv->header_view);
 396 }
 397
 398 static void add_to_menu (ModestHeaderWindow *self,
 399                          HildonAppMenu *menu,
 400                          gchar *label,
 401                          GCallback callback)
 402 {
 403         GtkWidget *button;
 404
 405         button = gtk_button_new_with_label (label);
 406         g_signal_connect_after (G_OBJECT (button), "clicked",
 407                                 callback, (gpointer) self);
 408         hildon_app_menu_append (menu, GTK_BUTTON (button));
 409 }
 410
 411 static void setup_menu (ModestHeaderWindow *self)
 412 {
 413         ModestHeaderWindowPrivate *priv = NULL;
 414         GtkWidget *app_menu;
 415
 416         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 417
 418         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 419
 420         app_menu = hildon_app_menu_new ();
 421
 422         add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
 423                      G_CALLBACK (modest_ui_actions_on_send_receive));
 424
 425         hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
 426                                                HILDON_APP_MENU (app_menu));
 427 }
 428
 429 static void
 430 update_view (ModestHeaderWindow *self,
 431              TnyFolderChange *change)
 432 {
 433         ModestHeaderWindowPrivate *priv = NULL;
 434         gboolean refilter = FALSE;
 435         gboolean folder_empty = FALSE;
 436         gboolean all_marked_as_deleted = FALSE;
 437
 438         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 439         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 440         g_return_if_fail (priv->folder);
 441
 442         if (change != NULL) {
 443                 TnyFolderChangeChanged changed;
 444
 445                 changed = tny_folder_change_get_changed (change);
 446                 /* If something changes */
 447                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
 448                         folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
 449                 else
 450                         folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 451
 452                 if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
 453                         refilter = TRUE;
 454         } else {
 455                 folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
 456         }
 457
 458         /* Check if all messages are marked to be deleted */
 459         all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
 460         folder_empty = folder_empty || all_marked_as_deleted;
 461
 462         /* Set style of headers view */
 463         set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
 464
 465         if (refilter)
 466                 modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
 467 }
 468
 469 static void
 470 set_contents_state (ModestHeaderWindow *self,
 471                     ContentsState state)
 472 {
 473         ModestHeaderWindowPrivate *priv = NULL;
 474
 475         g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
 476         priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
 477
 478         if (priv->contents_state == state)
 479                 return;
 480
 481         /* Remove from container the old content */
 482         switch (priv->contents_state) {
 483         case CONTENTS_STATE_EMPTY:
 484                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
 485                 break;
 486         case CONTENTS_STATE_HEADERS:
 487                 gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
 488                 break;
 489         case CONTENTS_STATE_NONE:
 490                 break;
 491         }
 492
 493         /* Add the new content */
 494         switch (state) {
 495         case CONTENTS_STATE_EMPTY:
 496                 gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->empty_view, TRUE, TRUE, 0);
 497                 gtk_widget_show (priv->empty_view);
 498                 break;
 499         case CONTENTS_STATE_HEADERS:
 500                 gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->header_view, TRUE, TRUE, 0);
 501                 gtk_widget_show (priv->header_view);
 502                 break;
 503         case CONTENTS_STATE_NONE:
 504                 break;
 505         }
 506         priv->contents_state = state;
 507
 508 }
 509
 510 static void
 511 on_msg_count_changed (ModestHeaderView *header_view,
 512                       TnyFolder *folder,
 513                       TnyFolderChange *change,
 514                       ModestHeaderWindow *header_window)
 515 {
 516         g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
 517
 518         update_view (MODEST_HEADER_WINDOW (header_window), change);
 519 }
 520
 521 static void
 522 on_header_activated (ModestHeaderView *header_view,
 523                      TnyHeader *header,
 524                      GtkTreePath *path,
 525                      ModestHeaderWindow *header_window)
 526 {
 527         modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
 528 }