Bug #642557 - Display maps in contact preview

1 files changed, 465 insertions, 0 deletions

diff --git a/widgets/misc/e-contact-map-window.c b/widgets/misc/e-contact-map-window.c
new file mode 100644
index 0000000000..9d9ed9c39e
--- /dev/null
+++ b/widgets/misc/e-contact-map-window.c
@@ -0,0 +1,465 @@
+/*
+ * e-contact-map-window.c
+ *
+ * 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/>
+ *
+ * Copyright (C) 2011 Dan Vratil <dvratil@redhat.com>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef WITH_CONTACT_MAPS
+
+#include "e-contact-map.h"
+#include "e-contact-map-window.h"
+#include "e-contact-marker.h"
+
+#include <champlain/champlain.h>
+
+#include <libebook/e-book.h>
+#include <libebook/e-contact.h>
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+#include <glib-object.h>
+
+G_DEFINE_TYPE (EContactMapWindow, e_contact_map_window, GTK_TYPE_WINDOW)
+
+struct _EContactMapWindowPrivate {
+	EContactMap *map;
+
+	GtkWidget *zoom_in_btn;
+	GtkWidget *zoom_out_btn;
+
+	GtkWidget *search_entry;
+	GtkListStore *completion_model;
+
+	GHashTable *hash_table;		/* Hash table contact-name -> marker */
+
+	GtkWidget *spinner;
+	gint tasks_cnt;
+};
+
+enum {
+	SHOW_CONTACT_EDITOR,
+	LAST_SIGNAL
+};
+
+static gint signals[LAST_SIGNAL] = {0};
+
+static void
+marker_doubleclick_cb (ClutterActor *marker,
+		       gpointer user_data)
+{
+	EContactMapWindow *window = user_data;
+	const gchar *contact_uid = e_contact_marker_get_contact_uid (E_CONTACT_MARKER (marker));
+
+	g_signal_emit (window, signals[SHOW_CONTACT_EDITOR], 0, contact_uid);
+}
+
+static void
+book_contacts_received_cb (EBook *book,
+			   const GError *error,
+			   GList *list,
+			   gpointer closure)
+{
+	EContactMapWindow *window = closure;
+	GList *p;
+
+	g_return_if_fail (error == NULL);
+
+	for (p = list; p; p = p->next) {
+
+		e_contact_map_add_contact (window->priv->map, (EContact*)p->data);
+
+	}
+
+	g_list_foreach (list, (GFunc) g_object_unref, NULL);
+	g_list_free (list);
+	g_object_unref (book);
+}
+
+static void
+contact_map_window_zoom_in_cb (GtkButton *button,
+			       gpointer user_data)
+{
+	EContactMapWindow *window = user_data;
+	ChamplainView *view;
+
+	view = e_contact_map_get_view (window->priv->map);
+
+	champlain_view_zoom_in (view);
+}
+
+static void
+contact_map_window_zoom_out_cb (GtkButton *button,
+				gpointer user_data)
+{
+	EContactMapWindow *window = user_data;
+	ChamplainView *view;
+
+	view = e_contact_map_get_view (window->priv->map);
+
+	champlain_view_zoom_out (view);
+}
+static void
+zoom_level_changed_cb (ChamplainView *view,
+		       gint bzoom_level,
+		       gpointer user_data)
+{
+	EContactMapWindow *window = user_data;
+	gint zoom_level = champlain_view_get_zoom_level (view);
+
+	gtk_widget_set_sensitive (window->priv->zoom_in_btn,
+		(zoom_level < champlain_view_get_max_zoom_level (view)));
+
+	gtk_widget_set_sensitive (window->priv->zoom_out_btn,
+		(zoom_level > champlain_view_get_min_zoom_level (view)));
+}
+
+/**
+ * Add contact to hash_table only when EContactMap tells us
+ * that the contact has really been added to map.
+ */
+static void
+map_contact_added_cb (EContactMap *map,
+		      ClutterActor *marker,
+		      gpointer user_data)
+{
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+	const gchar *name;
+	GtkTreeIter iter;
+
+	name = champlain_label_get_text (CHAMPLAIN_LABEL (marker));
+
+	g_hash_table_insert (priv->hash_table,
+		g_strdup (name), marker);
+
+	gtk_list_store_append (priv->completion_model, &iter);
+	gtk_list_store_set (priv->completion_model, &iter,
+		0, name, -1);
+
+	g_signal_connect (E_CONTACT_MARKER (marker), "double-clicked",
+		G_CALLBACK (marker_doubleclick_cb), user_data);
+
+	priv->tasks_cnt--;
+	if (priv->tasks_cnt == 0) {
+		gtk_spinner_stop(GTK_SPINNER (priv->spinner));
+		gtk_widget_hide (priv->spinner);
+	}
+}
+
+static void
+map_contact_removed_cb (EContactMap *map,
+		        const gchar *name,
+		        gpointer user_data)
+{
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+	GtkTreeIter iter;
+	GtkTreeModel *model = GTK_TREE_MODEL (priv->completion_model);
+
+	g_hash_table_remove (priv->hash_table, name);
+
+	if (gtk_tree_model_get_iter_first (model, &iter)) {
+		do {
+			gchar *name_str;
+			gtk_tree_model_get (model, &iter, 0, &name_str, -1);
+			if (g_ascii_strcasecmp (name_str, name) == 0) {
+				gtk_list_store_remove (priv->completion_model, &iter);
+				break;
+			}
+			g_free (name_str);
+		} while (gtk_tree_model_iter_next (model, &iter));
+	}
+}
+
+static void
+map_contact_geocoding_started_cb (EContactMap *map,
+				 ClutterActor *marker,
+				 gpointer user_data)
+{
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+
+	gtk_spinner_start (GTK_SPINNER (priv->spinner));
+	gtk_widget_show (priv->spinner);
+
+	priv->tasks_cnt++;
+}
+
+static void
+map_contact_geocoding_failed_cb (EContactMap *map,
+				 const gchar *name,
+				 gpointer user_data)
+{
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+
+	priv->tasks_cnt--;
+
+	if (priv->tasks_cnt == 0) {
+		gtk_spinner_stop (GTK_SPINNER (priv->spinner));
+		gtk_widget_hide (priv->spinner);
+	}
+}
+
+static void
+contact_map_window_find_contact_cb (GtkButton *button,
+				    gpointer user_data)
+{
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+	ClutterActor *marker;
+
+	marker = g_hash_table_lookup (priv->hash_table,
+				gtk_entry_get_text (GTK_ENTRY (priv->search_entry)));
+
+	if (marker)
+		e_contact_map_zoom_on_marker (priv->map, marker);
+}
+
+static gboolean
+contact_map_window_entry_key_pressed_cb (GtkWidget *entry,
+					 GdkEventKey *event,
+					 gpointer user_data)
+{
+	if (event->keyval == GDK_KEY_Return)
+		contact_map_window_find_contact_cb (NULL, user_data);
+
+	return FALSE;
+}
+
+static gboolean
+entry_completion_match_selected_cb (GtkEntryCompletion *widget,
+				    GtkTreeModel* model,
+				    GtkTreeIter *iter,
+				    gpointer user_data)
+{
+	GValue name_val = {0};
+	EContactMapWindowPrivate *priv = E_CONTACT_MAP_WINDOW (user_data)->priv;
+	const gchar *name;
+
+	gtk_tree_model_get_value (model, iter, 0, &name_val);
+	g_return_val_if_fail (G_VALUE_HOLDS_STRING (&name_val), FALSE);
+
+	name = g_value_get_string (&name_val);
+	gtk_entry_set_text (GTK_ENTRY (priv->search_entry), name);
+
+	contact_map_window_find_contact_cb (NULL, user_data);
+
+	return TRUE;
+}
+
+static void
+contact_map_window_finalize (GObject *object)
+{
+	EContactMapWindowPrivate *priv;
+
+	priv = E_CONTACT_MAP_WINDOW (object)->priv;
+
+	if (priv->hash_table) {
+		g_hash_table_destroy (priv->hash_table);
+		priv->hash_table = NULL;
+	}
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_contact_map_window_parent_class)->finalize (object);
+}
+
+static void
+contact_map_window_dispose (GObject *object)
+{
+	EContactMapWindowPrivate *priv;
+
+	priv = E_CONTACT_MAP_WINDOW (object)->priv;
+
+	if (priv->map) {
+		gtk_widget_destroy (GTK_WIDGET (priv->map));
+		priv->map = NULL;
+	}
+
+	if (priv->completion_model) {
+		g_object_unref (priv->completion_model);
+		priv->completion_model = NULL;
+	}
+
+	G_OBJECT_CLASS (e_contact_map_window_parent_class)->dispose (object);
+}
+
+static void
+e_contact_map_window_class_init (EContactMapWindowClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (class, sizeof (EContactMapWindowPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->finalize = contact_map_window_finalize;
+	object_class->dispose = contact_map_window_dispose;
+
+	signals[SHOW_CONTACT_EDITOR] = g_signal_new (
+		"show-contact-editor",
+		G_TYPE_FROM_CLASS (class),
+		G_SIGNAL_RUN_FIRST,
+		G_STRUCT_OFFSET (EContactMapWindowClass, show_contact_editor),
+		NULL, NULL,
+		g_cclosure_marshal_VOID__STRING,
+		G_TYPE_NONE, 1, G_TYPE_STRING);
+}
+
+static void
+e_contact_map_window_init (EContactMapWindow *window)
+{
+	EContactMapWindowPrivate *priv;
+	GtkWidget *map;
+	GtkWidget *button, *entry;
+	GtkWidget *hbox, *vbox, *viewport;
+	GtkEntryCompletion *entry_completion;
+	GtkListStore *completion_model;
+	ChamplainView *view;
+	GHashTable *hash_table;
+
+	priv = G_TYPE_INSTANCE_GET_PRIVATE (
+		window, E_TYPE_CONTACT_MAP_WINDOW, EContactMapWindowPrivate);
+	window->priv = priv;
+
+	priv->tasks_cnt = 0;
+
+	hash_table = g_hash_table_new_full (g_str_hash, g_str_equal,
+			(GDestroyNotify) g_free, NULL);
+	priv->hash_table = hash_table;
+
+	gtk_window_set_title (GTK_WINDOW (window), _("Contacts Map"));
+	gtk_container_set_border_width (GTK_CONTAINER (window), 12);
+	gtk_widget_set_size_request (GTK_WIDGET (window), 800, 600);
+
+	/* The map view itself */
+	map = e_contact_map_new ();
+	view = e_contact_map_get_view (E_CONTACT_MAP (map));
+	champlain_view_set_zoom_level (view, 2);
+	priv->map = E_CONTACT_MAP (map);
+	g_signal_connect (view, "notify::zoom-level",
+		G_CALLBACK (zoom_level_changed_cb), window);
+	g_signal_connect (map, "contact-added",
+		G_CALLBACK (map_contact_added_cb), window);
+	g_signal_connect (map, "contact-removed",
+		G_CALLBACK (map_contact_removed_cb), window);
+	g_signal_connect (map, "geocoding-started",
+		G_CALLBACK (map_contact_geocoding_started_cb), window);
+	g_signal_connect (map, "geocoding-failed",
+		G_CALLBACK (map_contact_geocoding_failed_cb), window);
+
+	/* HBox container */
+	hbox = gtk_hbox_new (FALSE, 7);
+
+	/* Spinner */
+	button = gtk_spinner_new ();
+	gtk_container_add (GTK_CONTAINER (hbox), button);
+	gtk_widget_hide (button);
+	priv->spinner = button;
+
+	/* Zoom-in button */
+	button = gtk_button_new_from_stock (GTK_STOCK_ZOOM_IN);
+	g_signal_connect (button, "clicked",
+		G_CALLBACK (contact_map_window_zoom_in_cb), window);
+	priv->zoom_in_btn = button;
+	gtk_container_add (GTK_CONTAINER (hbox), button);
+
+	/* Zoom-out button */
+	button = gtk_button_new_from_stock (GTK_STOCK_ZOOM_OUT);
+	g_signal_connect (button, "clicked",
+		G_CALLBACK (contact_map_window_zoom_out_cb), window);
+	priv->zoom_out_btn = button;
+	gtk_container_add (GTK_CONTAINER (hbox), button);
+
+	/* Completion model */
+	completion_model = gtk_list_store_new (1, G_TYPE_STRING);
+	priv->completion_model = completion_model;
+
+	/* Entry completion */
+	entry_completion = gtk_entry_completion_new ();
+	gtk_entry_completion_set_model (entry_completion, GTK_TREE_MODEL (completion_model));
+	gtk_entry_completion_set_text_column (entry_completion, 0);
+	g_signal_connect (entry_completion, "match-selected",
+		G_CALLBACK (entry_completion_match_selected_cb), window);
+
+	/* Search entry */
+	entry = gtk_entry_new ();
+	gtk_entry_set_completion (GTK_ENTRY (entry), entry_completion);
+	g_signal_connect (entry, "key-press-event",
+		G_CALLBACK (contact_map_window_entry_key_pressed_cb), window);
+	window->priv->search_entry = entry;
+	gtk_container_add (GTK_CONTAINER (hbox), entry);
+
+	/* Search button */
+	button = gtk_button_new_from_stock (GTK_STOCK_FIND);
+	g_signal_connect (button, "clicked",
+		G_CALLBACK (contact_map_window_find_contact_cb), window);
+	gtk_container_add (GTK_CONTAINER (hbox), button);
+
+	viewport = gtk_frame_new (NULL);
+	gtk_container_add (GTK_CONTAINER (viewport), map);
+
+	vbox = gtk_vbox_new (FALSE, 6);
+	gtk_container_add (GTK_CONTAINER (vbox), viewport);
+	gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+
+	gtk_container_add (GTK_CONTAINER (window), vbox);
+
+	gtk_widget_show_all (vbox);
+	gtk_widget_hide (priv->spinner);
+}
+
+EContactMapWindow *
+e_contact_map_window_new (void)
+{
+	return g_object_new (
+		E_TYPE_CONTACT_MAP_WINDOW, NULL);
+}
+
+/**
+ * Gets all contacts from @book and puts them
+ * on the map view
+ */
+void
+e_contact_map_window_load_addressbook (EContactMapWindow *map,
+				       EBook *book)
+{
+	EBookQuery *book_query;
+
+	/* Reference book, so that it does not get deleted before the callback is
+	   involved. The book is unrefed in the callback */
+	g_object_ref (book);
+
+	g_return_if_fail (E_IS_CONTACT_MAP_WINDOW (map));
+	g_return_if_fail (E_IS_BOOK (book));
+
+	book_query = e_book_query_field_exists (E_CONTACT_ADDRESS);
+
+	e_book_get_contacts_async (book, book_query,
+		(EBookListAsyncCallback) book_contacts_received_cb, map);
+
+	e_book_query_unref (book_query);
+}
+
+EContactMap*
+e_contact_map_window_get_map (EContactMapWindow *window)
+{
+	g_return_val_if_fail (E_IS_CONTACT_MAP_WINDOW (window), NULL);
+
+	return window->priv->map;
+}
+
+#endif /* WITH_CONTACT_MAPS */