src/empathy-map-view.c

   1 /*
   2  * Copyright (C) 2008, 2009 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Pierre-Luc Beaudoin <pierre-luc.beaudoin@collabora.co.uk>
  19  */
  20
  21 #include <config.h>
  22
  23 #include <sys/stat.h>
  24 #include <gtk/gtk.h>
  25 #include <glib/gi18n.h>
  26 #include <gdk/gdkkeysyms.h>
  27
  28 #include <champlain/champlain.h>
  29 #include <champlain-gtk/champlain-gtk.h>
  30 #include <clutter-gtk/clutter-gtk.h>
  31 #include <telepathy-glib/util.h>
  32
  33 #include <libempathy/empathy-contact.h>
  34 #include <libempathy/empathy-contact-manager.h>
  35 #include <libempathy/empathy-utils.h>
  36 #include <libempathy/empathy-location.h>
  37
  38 #include <libempathy-gtk/empathy-contact-list-store.h>
  39 #include <libempathy-gtk/empathy-contact-list-view.h>
  40 #include <libempathy-gtk/empathy-presence-chooser.h>
  41 #include <libempathy-gtk/empathy-ui-utils.h>
  42
  43 #include "empathy-map-view.h"
  44 #include "ephy-spinner.h"
  45
  46 #define DEBUG_FLAG EMPATHY_DEBUG_LOCATION
  47 #include <libempathy/empathy-debug.h>
  48
  49 typedef struct {
  50   EmpathyContactListStore *list_store;
  51
  52   GtkWidget *window;
  53   GtkWidget *zoom_in;
  54   GtkWidget *zoom_out;
  55   GtkWidget *throbber;
  56   ChamplainView *map_view;
  57   ChamplainLayer *layer;
  58   guint timeout_id;
  59 } EmpathyMapView;
  60
  61 static void
  62 map_view_state_changed (ChamplainView *view,
  63     GParamSpec *gobject,
  64     EmpathyMapView *window)
  65 {
  66   ChamplainState state;
  67
  68   g_object_get (G_OBJECT (view), "state", &state, NULL);
  69   if (state == CHAMPLAIN_STATE_LOADING)
  70     ephy_spinner_start (EPHY_SPINNER (window->throbber));
  71   else
  72     ephy_spinner_stop (EPHY_SPINNER (window->throbber));
  73 }
  74
  75 static void
  76 map_view_marker_update_position (ChamplainMarker *marker,
  77     EmpathyContact *contact)
  78 {
  79   gdouble lon, lat;
  80   GValue *value;
  81   GHashTable *location;
  82
  83   location = empathy_contact_get_location (contact);
  84
  85   if (location == NULL ||
  86       g_hash_table_size (location) == 0)
  87   {
  88     champlain_base_marker_animate_out (CHAMPLAIN_BASE_MARKER (marker));
  89     return;
  90   }
  91
  92   value = g_hash_table_lookup (location, EMPATHY_LOCATION_LAT);
  93   if (value == NULL)
  94     {
  95       clutter_actor_hide (CLUTTER_ACTOR (marker));
  96       return;
  97     }
  98   lat = g_value_get_double (value);
  99
 100   value = g_hash_table_lookup (location, EMPATHY_LOCATION_LON);
 101   if (value == NULL)
 102     {
 103       clutter_actor_hide (CLUTTER_ACTOR (marker));
 104       return;
 105     }
 106   lon = g_value_get_double (value);
 107
 108   champlain_base_marker_set_position (CHAMPLAIN_BASE_MARKER (marker), lat, lon);
 109   champlain_base_marker_animate_in (CHAMPLAIN_BASE_MARKER (marker));
 110 }
 111
 112 static void
 113 map_view_contact_location_notify (EmpathyContact *contact,
 114     GParamSpec *arg1,
 115     ChamplainMarker *marker)
 116 {
 117   map_view_marker_update_position (marker, contact);
 118 }
 119
 120 static void
 121 map_view_zoom_in_cb (GtkWidget *widget,
 122     EmpathyMapView *window)
 123 {
 124   champlain_view_zoom_in (window->map_view);
 125 }
 126
 127 static void
 128 map_view_zoom_out_cb (GtkWidget *widget,
 129     EmpathyMapView *window)
 130 {
 131   champlain_view_zoom_out (window->map_view);
 132 }
 133
 134 static void
 135 map_view_zoom_fit_cb (GtkWidget *widget,
 136     EmpathyMapView *window)
 137 {
 138   GList *item, *children;
 139   GPtrArray *markers;
 140
 141   children = clutter_container_get_children (CLUTTER_CONTAINER (window->layer));
 142   markers =  g_ptr_array_sized_new (g_list_length (children) + 1);
 143
 144   for (item = children; item != NULL; item = g_list_next (item))
 145     g_ptr_array_add (markers, (gpointer) item->data);
 146
 147   g_ptr_array_add (markers, (gpointer) NULL);
 148   champlain_view_ensure_markers_visible (window->map_view,
 149     (ChamplainBaseMarker **) markers->pdata,
 150     TRUE);
 151
 152   g_ptr_array_free (markers, TRUE);
 153   g_list_free (children);
 154 }
 155
 156 static gboolean
 157 marker_clicked_cb (ChamplainMarker *marker,
 158     ClutterButtonEvent *event,
 159     EmpathyContact *contact)
 160 {
 161   GtkWidget *menu;
 162
 163   if (event->button != 3)
 164     return FALSE;
 165
 166   menu = empathy_contact_menu_new (contact,
 167       EMPATHY_CONTACT_FEATURE_CHAT |
 168       EMPATHY_CONTACT_FEATURE_CALL |
 169       EMPATHY_CONTACT_FEATURE_LOG |
 170       EMPATHY_CONTACT_FEATURE_INFO);
 171
 172   if (menu == NULL)
 173     return FALSE;
 174
 175   gtk_widget_show (menu);
 176   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 177       event->button, event->time);
 178
 179   return FALSE;
 180 }
 181
 182 static void
 183 map_view_contacts_update_label (ChamplainMarker *marker)
 184 {
 185   const gchar *name;
 186   gchar *date;
 187   gchar *label;
 188   GValue *gtime;
 189   time_t loctime;
 190   GHashTable *location;
 191   EmpathyContact *contact;
 192
 193   contact = g_object_get_data (G_OBJECT (marker), "contact");
 194   location = empathy_contact_get_location (contact);
 195   name = empathy_contact_get_name (contact);
 196   gtime = g_hash_table_lookup (location, EMPATHY_LOCATION_TIMESTAMP);
 197
 198   if (gtime != NULL)
 199     {
 200       time_t now;
 201
 202       loctime = g_value_get_int64 (gtime);
 203       date = empathy_time_to_string_relative (loctime);
 204       label = g_strconcat ("<b>", name, "</b>\n<small>", date, "</small>", NULL);
 205       g_free (date);
 206
 207       now = time (NULL);
 208
 209       /* if location is older than a week */
 210       if (now - loctime > (60 * 60 * 24 * 7))
 211         clutter_actor_set_opacity (CLUTTER_ACTOR (marker), 0.75 * 255);
 212     }
 213   else
 214     {
 215       label = g_strconcat ("<b>", name, "</b>\n", NULL);
 216     }
 217
 218   champlain_marker_set_use_markup (CHAMPLAIN_MARKER (marker), TRUE);
 219   champlain_marker_set_text (CHAMPLAIN_MARKER (marker), label);
 220
 221   g_free (label);
 222 }
 223
 224 static gboolean
 225 map_view_contacts_foreach (GtkTreeModel *model,
 226     GtkTreePath *path,
 227     GtkTreeIter *iter,
 228     gpointer user_data)
 229 {
 230   EmpathyMapView *window = (EmpathyMapView *) user_data;
 231   EmpathyContact *contact;
 232   ClutterActor *marker;
 233   ClutterActor *texture;
 234   GHashTable *location;
 235   GdkPixbuf *avatar;
 236
 237   gtk_tree_model_get (model, iter, EMPATHY_CONTACT_LIST_STORE_COL_CONTACT,
 238      &contact, -1);
 239
 240   if (contact == NULL)
 241     return FALSE;
 242
 243   location = empathy_contact_get_location (contact);
 244
 245   if (location == NULL || g_hash_table_size (location) == 0)
 246     return FALSE;
 247
 248   marker = champlain_marker_new ();
 249
 250   avatar = empathy_pixbuf_avatar_from_contact_scaled (contact, 32, 32);
 251   if (avatar != NULL)
 252     {
 253       texture = clutter_texture_new ();
 254       gtk_clutter_texture_set_from_pixbuf (CLUTTER_TEXTURE (texture), avatar,
 255           NULL);
 256       champlain_marker_set_image (CHAMPLAIN_MARKER (marker), texture);
 257       g_object_unref (avatar);
 258     }
 259   else
 260     champlain_marker_set_image (CHAMPLAIN_MARKER (marker), NULL);
 261
 262   g_object_set_data_full (G_OBJECT (marker), "contact",
 263       g_object_ref (contact), g_object_unref);
 264
 265   map_view_contacts_update_label (CHAMPLAIN_MARKER (marker));
 266
 267   clutter_actor_set_reactive (CLUTTER_ACTOR (marker), TRUE);
 268   g_signal_connect (marker, "button-release-event",
 269       G_CALLBACK (marker_clicked_cb), contact);
 270
 271   clutter_container_add (CLUTTER_CONTAINER (window->layer), marker, NULL);
 272
 273   g_signal_connect (contact, "notify::location",
 274       G_CALLBACK (map_view_contact_location_notify), marker);
 275
 276   map_view_marker_update_position (CHAMPLAIN_MARKER (marker), contact);
 277
 278   g_object_unref (contact);
 279   return FALSE;
 280 }
 281
 282 static void
 283 map_view_destroy_cb (GtkWidget *widget,
 284     EmpathyMapView *window)
 285 {
 286   GList *item;
 287
 288   g_source_remove (window->timeout_id);
 289
 290   item = clutter_container_get_children (CLUTTER_CONTAINER (window->layer));
 291   while (item != NULL)
 292   {
 293     EmpathyContact *contact;
 294     ChamplainMarker *marker;
 295
 296     marker = CHAMPLAIN_MARKER (item->data);
 297     contact = g_object_get_data (G_OBJECT (marker), "contact");
 298     g_signal_handlers_disconnect_by_func (contact,
 299         map_view_contact_location_notify, marker);
 300
 301     item = g_list_next (item);
 302   }
 303
 304   g_object_unref (window->list_store);
 305   g_object_unref (window->layer);
 306   g_slice_free (EmpathyMapView, window);
 307 }
 308
 309 static gboolean
 310 map_view_key_press_cb (GtkWidget *widget,
 311     GdkEventKey *event,
 312     gpointer user_data)
 313 {
 314   if ((event->state & GDK_CONTROL_MASK && event->keyval == GDK_w)
 315       || event->keyval == GDK_Escape)
 316     {
 317       gtk_widget_destroy (widget);
 318       return TRUE;
 319     }
 320
 321   return FALSE;
 322 }
 323
 324 static gboolean
 325 map_view_tick (EmpathyMapView *window)
 326 {
 327   GList *marker;
 328
 329   marker = clutter_container_get_children (CLUTTER_CONTAINER (window->layer));
 330
 331   for (; marker; marker = marker->next)
 332     map_view_contacts_update_label (marker->data);
 333
 334   return TRUE;
 335 }
 336
 337 GtkWidget *
 338 empathy_map_view_show (void)
 339 {
 340   static EmpathyMapView *window = NULL;
 341   GtkBuilder *gui;
 342   GtkWidget *sw;
 343   GtkWidget *embed;
 344   GtkWidget *throbber_holder;
 345   gchar *filename;
 346   GtkTreeModel *model;
 347   EmpathyContactList *list_iface;
 348   EmpathyContactListStore *list_store;
 349
 350   if (window)
 351     {
 352       empathy_window_present (GTK_WINDOW (window->window), TRUE);
 353       return window->window;
 354     }
 355
 356   window = g_slice_new0 (EmpathyMapView);
 357
 358   /* Set up interface */
 359   filename = empathy_file_lookup ("empathy-map-view.ui", "src");
 360   gui = empathy_builder_get_file (filename,
 361      "map_view", &window->window,
 362      "zoom_in", &window->zoom_in,
 363      "zoom_out", &window->zoom_out,
 364      "map_scrolledwindow", &sw,
 365      "throbber", &throbber_holder,
 366      NULL);
 367   g_free (filename);
 368
 369   empathy_builder_connect (gui, window,
 370       "map_view", "destroy", map_view_destroy_cb,
 371       "map_view", "key-press-event", map_view_key_press_cb,
 372       "zoom_in", "clicked", map_view_zoom_in_cb,
 373       "zoom_out", "clicked", map_view_zoom_out_cb,
 374       "zoom_fit", "clicked", map_view_zoom_fit_cb,
 375       NULL);
 376
 377   g_object_unref (gui);
 378
 379   /* Clear the static pointer to window if the dialog is destroyed */
 380   g_object_add_weak_pointer (G_OBJECT (window->window), (gpointer *) &window);
 381
 382   list_iface = EMPATHY_CONTACT_LIST (empathy_contact_manager_dup_singleton ());
 383   list_store = empathy_contact_list_store_new (list_iface);
 384   empathy_contact_list_store_set_show_groups (list_store, FALSE);
 385   empathy_contact_list_store_set_show_avatars (list_store, TRUE);
 386   g_object_unref (list_iface);
 387
 388   window->throbber = ephy_spinner_new ();
 389   ephy_spinner_set_size (EPHY_SPINNER (window->throbber),
 390       GTK_ICON_SIZE_LARGE_TOOLBAR);
 391   gtk_widget_show (window->throbber);
 392   gtk_container_add (GTK_CONTAINER (throbber_holder), window->throbber);
 393
 394   window->list_store = list_store;
 395
 396   /* Set up map view */
 397   embed = gtk_champlain_embed_new ();
 398   window->map_view = gtk_champlain_embed_get_view (GTK_CHAMPLAIN_EMBED (embed));
 399   g_object_set (G_OBJECT (window->map_view), "zoom-level", 1,
 400      "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC, NULL);
 401   champlain_view_center_on (window->map_view, 36, 0);
 402
 403   gtk_container_add (GTK_CONTAINER (sw), embed);
 404   gtk_widget_show_all (embed);
 405
 406   window->layer = g_object_ref (champlain_layer_new ());
 407   champlain_view_add_layer (window->map_view, window->layer);
 408
 409   g_signal_connect (window->map_view, "notify::state",
 410       G_CALLBACK (map_view_state_changed), window);
 411
 412   /* Set up contact list. */
 413   model = GTK_TREE_MODEL (window->list_store);
 414   gtk_tree_model_foreach (model, map_view_contacts_foreach, window);
 415
 416   empathy_window_present (GTK_WINDOW (window->window), TRUE);
 417
 418   /* Set up time updating loop */
 419   window->timeout_id = g_timeout_add_seconds (5,
 420       (GSourceFunc) map_view_tick, window);
 421
 422   return window->window;
 423 }
 424