Bug #361156 - contacts-map plugin

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

5 files changed, 396 insertions, 0 deletions

diff --git a/plugins/contacts-map/Makefile.am b/plugins/contacts-map/Makefile.am
new file mode 100644
index 0000000000..91ff22c0bc
--- /dev/null
+++ b/plugins/contacts-map/Makefile.am
@@ -0,0 +1,31 @@
+AM_CPPFLAGS =						\
+	-I$(top_srcdir)					\
+	-I$(top_srcdir)/widgets				\
+	$(EVOLUTION_ADDRESSBOOK_CFLAGS)			\
+	$(CHAMPLAIN_CFLAGS)				\
+	$(GEOCLUE_CFLAGS)
+
+@EVO_PLUGIN_RULE@
+
+plugin_DATA = org-gnome-contacts-map.eplug
+plugin_LTLIBRARIES = liborg-gnome-contacts-map.la
+
+liborg_gnome_contacts_map_la_SOURCES = \
+		contacts-map.c \
+		geo-utils.c \
+		geo-utils.h
+
+liborg_gnome_contacts_map_la_LDFLAGS = -module -avoid-version $(NO_UNDEFINED)
+liborg_gnome_contacts_map_la_LIBADD =	\
+	$(top_builddir)/e-util/libeutil.la	\
+	$(top_builddir)/shell/libeshell.la	\
+	$(CHAMPLAIN_LIBS)		\
+	$(GEOCLUE_LIBS)			\
+	$(EVOLUTION_ADDRESSBOOK_LIBS)
+
+EXTRA_DIST = org-gnome-contacts-maps.eplug.xml
+
+BUILT_SOURCES = $(plugin_DATA)
+CLEANFILES = $(BUILT_SOURCES)
+
+-include $(top_srcdir)/git.mk
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);
+}
diff --git a/plugins/contacts-map/geo-utils.c b/plugins/contacts-map/geo-utils.c
new file mode 100644
index 0000000000..3f7473cab4
--- /dev/null
+++ b/plugins/contacts-map/geo-utils.c
@@ -0,0 +1,102 @@
+#include "geo-utils.h"
+
+static gboolean is_clutter_initialized = FALSE;
+
+void
+get_min_max (gdouble *min_lat, gdouble *max_lat,
+	     gdouble *min_lng, gdouble *max_lng,
+	     gdouble lat, gdouble lng)
+{
+	if (lat < *min_lat)
+		*min_lat = lat;
+	else if (lat > *max_lat)
+		*max_lat = lat;
+
+	if (lng < *min_lng)
+		*min_lng = lng;
+	else if (lng > *max_lng)
+		*max_lng = lng;
+}
+
+void
+add_marker (ChamplainLayer *layer, gdouble lat, gdouble lng, EContact *contact)
+{
+	ClutterActor *marker;
+
+	gchar *contact_name = e_contact_get (contact, E_CONTACT_FULL_NAME);
+	marker = champlain_marker_new_with_text (contact_name, "Serif 8", NULL, NULL);
+	g_free (contact_name);
+
+	champlain_marker_set_use_markup (CHAMPLAIN_MARKER (marker), FALSE);
+	champlain_base_marker_set_position (CHAMPLAIN_BASE_MARKER (marker), lat, lng);
+
+	champlain_layer_add_marker (layer, CHAMPLAIN_BASE_MARKER(marker));
+}
+
+GeoclueGeocode* 
+get_geocoder (void)
+{
+	GeoclueGeocode *geocoder = NULL;
+
+	/* Create new GeoclueGeocode */
+	geocoder = geoclue_geocode_new ("org.freedesktop.Geoclue.Providers.Yahoo", 
+			"/org/freedesktop/Geoclue/Providers/Yahoo");
+
+	return geocoder;
+}
+
+GHashTable *
+get_geoclue_from_address (const EContactAddress* addr)
+{
+	GHashTable *address = geoclue_address_details_new ();
+
+	g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_POSTALCODE), g_strdup ((*addr).code));
+	g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_COUNTRY), g_strdup ((*addr).country));
+	g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_LOCALITY), g_strdup ((*addr).locality));
+	g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_STREET), g_strdup ((*addr).street));
+
+	return address;
+}
+
+void
+init_map (ChamplainView **view, GtkWidget **widget)
+{
+	if (!is_clutter_initialized) {
+		gtk_clutter_init (NULL, NULL);
+		is_clutter_initialized = TRUE;
+	}
+
+	*widget = gtk_champlain_embed_new ();
+	*view = gtk_champlain_embed_get_view (GTK_CHAMPLAIN_EMBED (*widget));
+
+	champlain_view_set_show_license (*view, FALSE);
+
+	g_object_set (G_OBJECT (*view), "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC,
+			"zoom-level", 9, NULL);
+}
+
+void
+create_map_window (GtkWidget *map_widget, const gchar *title)
+{
+	GtkWidget *window, *viewport;
+
+	/* create the main, top level, window */
+	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+	/* give the window a 10px wide border */
+	gtk_container_set_border_width (GTK_CONTAINER (window), 10);
+
+	/* give it the title */
+	gtk_window_set_title (GTK_WINDOW (window), title );
+
+	gtk_widget_set_size_request (map_widget, 300, 300);
+
+	viewport = gtk_frame_new (NULL);
+	gtk_container_add (GTK_CONTAINER (viewport), map_widget);
+
+	/* and insert it into the main window  */
+	gtk_container_add (GTK_CONTAINER (window), viewport);
+
+	/* make sure that everything, window and label, are visible */
+	gtk_widget_show_all (window);
+}
diff --git a/plugins/contacts-map/geo-utils.h b/plugins/contacts-map/geo-utils.h
new file mode 100644
index 0000000000..65248f4893
--- /dev/null
+++ b/plugins/contacts-map/geo-utils.h
@@ -0,0 +1,28 @@
+#include <gtk/gtk.h>
+#include <glib.h>
+
+#include <libebook/e-book.h>
+#include <libebook/e-contact.h>
+
+#include <geoclue/geoclue-geocode.h>
+#include <champlain/champlain.h>
+#include <champlain-gtk/champlain-gtk.h>
+#include <clutter-gtk/clutter-gtk.h>
+
+void 
+get_min_max (gdouble *min_lat, gdouble *max_lat,
+        gdouble *min_lng, gdouble *max_lng,
+        gdouble lat, gdouble lng);
+
+GeoclueGeocode *get_geocoder (void);
+
+void add_marker (
+        ChamplainLayer *layer,
+        gdouble lat, gdouble lng,
+        EContact *contact);
+
+GHashTable *get_geoclue_from_address (const EContactAddress* addr);
+
+void init_map (ChamplainView **view, GtkWidget **widget);
+
+void create_map_window (GtkWidget *map_widget, const gchar *title);
diff --git a/plugins/contacts-map/org-gnome-contacts-map.eplug.xml b/plugins/contacts-map/org-gnome-contacts-map.eplug.xml
new file mode 100644
index 0000000000..e695979491
--- /dev/null
+++ b/plugins/contacts-map/org-gnome-contacts-map.eplug.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<e-plugin-list>
+    <e-plugin id="org.gnome.evolution.contacts_maps" type="shlib" _name="Map for contacts"
+        location="@PLUGINDIR@/liborg-gnome-contacts-map@SOEXT@">
+        <author name="Cedric Bosdonnat" email="cedric.bosdonnat.ooo@free.fr"/>
+        <_description>Add a map showing the location of contacts when possible.</_description>
+      
+	<hook class="org.gnome.evolution.ui:1.0">
+        <ui-manager id="org.gnome.evolution.contacts" callback="addressbook_map_init">
+          <!-- Add something for contact-popup -->
+          <popup name="address-book-popup">
+            <menuitem action="contacts-map"/>
+          </popup>
+        </ui-manager>
+      </hook>
+
+    </e-plugin>
+</e-plugin-list>
+