Bug #361156 - contacts-map plugin

Add a map showing the location of contacts when possible.
It's disabled at the moment.

1 files changed, 216 insertions, 0 deletions

diff --git a/plugins/contacts-map/contacts-map.c b/plugins/contacts-map/contacts-map.c
new file mode 100644
index 0000000000..8961233587
--- /dev/null
+++ b/plugins/contacts-map/contacts-map.c
@@ -0,0 +1,216 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *		Cedric Bosdonnat <cedric.bosdonnat@free.fr>
+ *
+ * Copyright (C) 2009 Cedric Bosdonnat (http://cedric.bosdonnat.free.fr)
+ *
+ */
+#include "geo-utils.h"
+
+#include <glib/gi18n.h>
+
+#include <libedataserver/e-source.h>
+#include <libedataserverui/e-source-selector.h>
+
+#include <shell/e-shell-sidebar.h>
+#include <shell/e-shell-view.h>
+#include <shell/e-shell-window.h>
+
+
+/* Plugin entry points */
+
+gboolean addressbook_map_init (GtkUIManager *ui_manager, EShellView *shell_view);
+void action_show_ebook_map (GtkAction *action, EShellView *shell_view);
+void show_map_general (ESourceSelector *selector);
+
+/* Implementations */
+
+gboolean 
+addressbook_map_init (GtkUIManager *ui_manager, EShellView *shell_view)
+{
+	EShell *shell;
+	EShellSettings *shell_settings;
+	EShellWindow *shell_window;
+	GtkActionGroup *action_group;
+	GtkAction *action;
+	GIcon *icon;
+	const gchar *tooltip;
+	const gchar *name;
+	const gchar *label;
+
+	shell_window = e_shell_view_get_shell_window (shell_view);
+	shell = e_shell_window_get_shell (shell_window);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	name = "contacts-map";
+	label = _("Contacts map");
+	tooltip = _("Show a map of all the contacts");
+	action = gtk_action_new (name, NULL, tooltip, NULL);
+	icon = g_themed_icon_new ("gnome-globe");
+	gtk_action_set_gicon (action, icon);
+	gtk_action_set_label (action, label);
+
+	name = "contacts";
+	action_group = e_shell_window_get_action_group (shell_window, name);
+	gtk_action_group_add_action (action_group, action);
+
+	g_signal_connect (
+			action, "activate",
+			G_CALLBACK (action_show_ebook_map), shell_view);
+
+	g_object_unref (action);
+
+	return TRUE;
+}
+
+
+void
+action_show_ebook_map (GtkAction *action, EShellView *shell_view)
+{
+	EShellSidebar *shell_sidebar;
+	ESourceSelector *selector = NULL;
+
+	shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
+	g_object_get (shell_sidebar, "selector", &selector, NULL);
+	g_return_if_fail (selector != NULL);
+
+	show_map_general (selector);
+
+	g_object_unref (selector);
+}
+
+
+void
+show_map_general (ESourceSelector *selector)
+{
+	EBook *book;
+	ESource *primary_source;
+	EBookQuery *query;
+	GList *contacts, *tmp;
+	gchar *uri;
+
+	GeoclueGeocode *geocoder;
+	GeocluePositionFields fields;
+	GeoclueAccuracy *accuracy;
+
+	gdouble lat = 0;
+	gdouble lng = 0;
+
+	GtkWidget *map_widget; 
+	ChamplainView  *view;
+	ChamplainLayer *layer;
+
+	gdouble *min_lat = NULL;
+	gdouble *max_lat = NULL;
+	gdouble *min_lng = NULL;
+	gdouble *max_lng = NULL;
+
+	primary_source = (ESource*)e_source_selector_peek_primary_selection (selector);
+	uri = e_source_get_uri (primary_source);
+	book = e_book_new_from_uri (uri, NULL);
+
+	if (!book || !e_book_open (book, TRUE, NULL)) 
+	{
+		g_warning ("Couldn't load addressbook %s", uri);
+		return;
+	} 
+
+	/* Get all the contacts with an address */
+	query = e_book_query_field_exists (E_CONTACT_ADDRESS);
+	e_book_get_contacts (book, query, &contacts, NULL);
+	e_book_query_unref (query);
+
+	init_map (&view, &map_widget);
+	layer = champlain_selection_layer_new ();
+
+	geocoder = NULL;
+	geocoder = get_geocoder ();
+	if (geocoder != NULL) {
+		for (tmp = contacts; tmp; tmp = tmp->next) {
+			GError *error = NULL;
+			EContact *contact;
+			EContactAddress *addr;
+			GHashTable *details;
+
+			contact = tmp->data;
+
+			/* Get the lat & lng and add the marker asynchronously */
+			addr = e_contact_get (contact, E_CONTACT_ADDRESS_HOME);
+			details = (GHashTable*) get_geoclue_from_address (addr);
+			fields = geoclue_geocode_address_to_position (geocoder, details,
+					&lat, &lng, NULL, &accuracy, &error);
+
+			if (!error && 
+			    (fields & GEOCLUE_POSITION_FIELDS_LATITUDE) != 0 &&
+			    (fields & GEOCLUE_POSITION_FIELDS_LONGITUDE) != 0) {
+				/* Add the marker to the map */
+				add_marker (layer, lat, lng, contact);
+				if (!min_lat) {
+					min_lat = g_malloc (sizeof (gdouble));
+					*min_lat = lat;
+				}
+				if (!max_lat) {
+					max_lat = g_malloc (sizeof(gdouble));
+					*max_lat = lat;
+				}
+				if (!min_lng) {
+					min_lng = g_malloc (sizeof (gdouble));
+					*min_lng = lng;
+				}
+				if (!max_lng) {
+					max_lng = malloc (sizeof (gdouble));
+					*max_lng = lng;
+				}
+
+				/* Store the min/max lat/lng */
+				get_min_max (min_lat, max_lat,
+						min_lng, max_lng, lat, lng);
+			} else if (error) {
+				g_warning ("Error while geocoding: %s\n", error->message);
+				g_error_free (error);
+			}
+
+			g_hash_table_destroy (details);
+			g_object_unref (contact);
+		}
+	}
+
+	champlain_view_add_layer (view, layer);
+	champlain_layer_show (layer);
+	champlain_layer_show_all_markers (CHAMPLAIN_LAYER (layer));
+
+	create_map_window (map_widget, _("Contacts map"));
+
+	/* Do not ensure something visible is we have nothing */
+	if (min_lat && min_lng && max_lat && max_lng)
+		champlain_view_ensure_visible (view,
+				*min_lat, *min_lng,
+				*max_lat, *max_lng, FALSE);
+
+	g_free (min_lat);
+	g_free (max_lat);
+	g_free (min_lng);
+	g_free (max_lng);
+
+	g_object_unref (geocoder);
+
+	if (contacts != NULL)
+		g_list_free (contacts);
+
+	g_object_unref (book);
+	g_free (uri);
+}