Icons branch

1 files changed, 330 insertions, 30 deletions

diff --git a/src/application-service-appstore.c b/src/application-service-appstore.c
index f76bbe2..fa1b9d2 100644
--- a/src/application-service-appstore.c
+++ b/src/application-service-appstore.c
@@ -43,6 +43,10 @@ static gboolean _application_service_server_get_applications (ApplicationService
 #define NOTIFICATION_ITEM_PROP_ICON_PATH  "IconThemePath"
 #define NOTIFICATION_ITEM_PROP_MENU       "Menu"
 
+#define NOTIFICATION_ITEM_SIG_NEW_ICON    "NewIcon"
+#define NOTIFICATION_ITEM_SIG_NEW_AICON   "NewAttentionIcon"
+#define NOTIFICATION_ITEM_SIG_NEW_STATUS  "NewStatus"
+
 /* Private Stuff */
 typedef struct _ApplicationServiceAppstorePrivate ApplicationServiceAppstorePrivate;
 struct _ApplicationServiceAppstorePrivate {
@@ -50,6 +54,17 @@ struct _ApplicationServiceAppstorePrivate {
 	GList * applications;
 };
 
+#define APP_STATUS_PASSIVE_STR    "passive"
+#define APP_STATUS_ACTIVE_STR     "active"
+#define APP_STATUS_ATTENTION_STR  "attention"
+
+typedef enum _ApplicationStatus ApplicationStatus;
+enum _ApplicationStatus {
+	APP_STATUS_PASSIVE,
+	APP_STATUS_ACTIVE,
+	APP_STATUS_ATTENTION
+};
+
 typedef struct _Application Application;
 struct _Application {
 	gchar * dbus_name;
@@ -57,6 +72,13 @@ struct _Application {
 	ApplicationServiceAppstore * appstore; /* not ref'd */
 	DBusGProxy * dbus_proxy;
 	DBusGProxy * prop_proxy;
+	gboolean validated; /* Whether we've gotten all the parameters and they look good. */
+	ApplicationStatus status;
+	gchar * icon;
+	gchar * aicon;
+	gchar * menu;
+	gchar * icon_path;
+	gboolean currently_free;
 };
 
 #define APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(o) \
@@ -66,6 +88,7 @@ struct _Application {
 enum {
 	APPLICATION_ADDED,
 	APPLICATION_REMOVED,
+	APPLICATION_ICON_CHANGED,
 	LAST_SIGNAL
 };
 
@@ -76,6 +99,8 @@ static void application_service_appstore_class_init (ApplicationServiceAppstoreC
 static void application_service_appstore_init       (ApplicationServiceAppstore *self);
 static void application_service_appstore_dispose    (GObject *object);
 static void application_service_appstore_finalize   (GObject *object);
+static ApplicationStatus string_to_status(const gchar * status_string);
+static void apply_status (Application * app, ApplicationStatus status);
 
 G_DEFINE_TYPE (ApplicationServiceAppstore, application_service_appstore, G_TYPE_OBJECT);
 
@@ -92,18 +117,24 @@ application_service_appstore_class_init (ApplicationServiceAppstoreClass *klass)
 	signals[APPLICATION_ADDED] = g_signal_new ("application-added",
 	                                           G_TYPE_FROM_CLASS(klass),
 	                                           G_SIGNAL_RUN_LAST,
-	                                           G_STRUCT_OFFSET (ApplicationServiceAppstore, application_added),
+	                                           G_STRUCT_OFFSET (ApplicationServiceAppstoreClass, application_added),
 	                                           NULL, NULL,
 	                                           _application_service_marshal_VOID__STRING_INT_STRING_STRING_STRING,
 	                                           G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_NONE);
 	signals[APPLICATION_REMOVED] = g_signal_new ("application-removed",
 	                                           G_TYPE_FROM_CLASS(klass),
 	                                           G_SIGNAL_RUN_LAST,
-	                                           G_STRUCT_OFFSET (ApplicationServiceAppstore, application_removed),
+	                                           G_STRUCT_OFFSET (ApplicationServiceAppstoreClass, application_removed),
 	                                           NULL, NULL,
 	                                           g_cclosure_marshal_VOID__INT,
 	                                           G_TYPE_NONE, 1, G_TYPE_INT, G_TYPE_NONE);
-
+	signals[APPLICATION_ICON_CHANGED] = g_signal_new ("application-icon-changed",
+	                                           G_TYPE_FROM_CLASS(klass),
+	                                           G_SIGNAL_RUN_LAST,
+	                                           G_STRUCT_OFFSET (ApplicationServiceAppstoreClass, application_icon_changed),
+	                                           NULL, NULL,
+	                                           _application_service_marshal_VOID__INT_STRING,
+	                                           G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_STRING, G_TYPE_NONE);
 
 	dbus_g_object_type_install_info(APPLICATION_SERVICE_APPSTORE_TYPE,
 	                                &dbus_glib__application_service_server_object_info);
@@ -156,6 +187,9 @@ application_service_appstore_finalize (GObject *object)
 	return;
 }
 
+/* Return from getting the properties from the item.  We're looking at those
+   and making sure we have everythign that we need.  If we do, then we'll
+   move on up to sending this onto the indicator. */
 static void
 get_all_properties_cb (DBusGProxy * proxy, GHashTable * properties, GError * error, gpointer data)
 {
@@ -167,45 +201,77 @@ get_all_properties_cb (DBusGProxy * proxy, GHashTable * properties, GError * err
 	Application * app = (Application *)data;
 
 	if (g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_MENU) == NULL ||
+			g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_STATUS) == NULL ||
 			g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_ICON_NAME) == NULL) {
 		g_warning("Notification Item on object %s of %s doesn't have enough properties.", app->dbus_object, app->dbus_name);
 		g_free(app); // Need to do more than this, but it gives the idea of the flow we're going for.
 		return;
 	}
 
-	ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(app->appstore);
-	priv->applications = g_list_prepend(priv->applications, app);
-	
-	/* TODO: We need to have the position determined better.  This
-	   would involve looking at the name and category and sorting
-	   it with the other entries. */
+	app->validated = TRUE;
+
+	app->icon = g_value_dup_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_ICON_NAME));
+	app->menu = g_value_dup_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_MENU));
+	if (g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_AICON_NAME) != NULL) {
+		app->aicon = g_value_dup_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_ICON_NAME));
+	}
 
-	const gchar * icon_path = NULL;
 	gpointer icon_path_data = g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_ICON_PATH);
 	if (icon_path_data != NULL) {
-		icon_path = g_value_get_string((GValue *)icon_path_data);
+		app->icon_path = g_value_dup_string((GValue *)icon_path_data);
 	} else {
-		icon_path = "";
+		app->icon_path = g_strdup("");
 	}
 
-	g_signal_emit(G_OBJECT(app->appstore),
-	              signals[APPLICATION_ADDED], 0, 
-	              g_value_get_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_ICON_NAME)),
-	              0, /* Position */
-	              app->dbus_name,
-	              g_value_get_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_MENU)),
-	              icon_path,
-	              TRUE);
+	apply_status(app, string_to_status(g_value_get_string(g_hash_table_lookup(properties, NOTIFICATION_ITEM_PROP_STATUS))));
 
 	return;
 }
 
+/* Simple translation function -- could be optimized */
+static ApplicationStatus
+string_to_status(const gchar * status_string)
+{
+	if (!g_strcmp0(status_string, APP_STATUS_ACTIVE_STR))
+		return APP_STATUS_ACTIVE;
+	if (!g_strcmp0(status_string, APP_STATUS_ATTENTION_STR))
+		return APP_STATUS_ATTENTION;
+	return APP_STATUS_PASSIVE;
+}
+
+/* A small helper function to get the position of an application
+   in the app list. */
+static gint 
+get_position (Application * app) {
+	ApplicationServiceAppstore * appstore = app->appstore;
+	ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(appstore);
+
+	GList * applistitem = g_list_find(priv->applications, app);
+	if (applistitem == NULL) {
+		return -1;
+	}
+
+	return g_list_position(priv->applications, applistitem);
+}
+
 /* A simple global function for dealing with freeing the information
    in an Application structure */
 static void
 application_free (Application * app)
 {
 	if (app == NULL) return;
+	
+	/* Handle the case where this could be called by unref'ing one of
+	   the proxy objects. */
+	if (app->currently_free) return;
+	app->currently_free = TRUE;
+	
+	if (app->dbus_proxy) {
+		g_object_unref(app->dbus_proxy);
+	}
+	if (app->prop_proxy) {
+		g_object_unref(app->prop_proxy);
+	}
 
 	if (app->dbus_name != NULL) {
 		g_free(app->dbus_name);
@@ -213,6 +279,18 @@ application_free (Application * app)
 	if (app->dbus_object != NULL) {
 		g_free(app->dbus_object);
 	}
+	if (app->icon != NULL) {
+		g_free(app->icon);
+	}
+	if (app->aicon != NULL) {
+		g_free(app->aicon);
+	}
+	if (app->menu != NULL) {
+		g_free(app->menu);
+	}
+	if (app->icon_path != NULL) {
+		g_free(app->icon_path);
+	}
 
 	g_free(app);
 	return;
@@ -224,24 +302,198 @@ static void
 application_removed_cb (DBusGProxy * proxy, gpointer userdata)
 {
 	Application * app = (Application *)userdata;
+
+	/* Remove from the panel */
+	apply_status(app, APP_STATUS_PASSIVE);
+
+	/* Destroy the data */
+	application_free(app);
+	return;
+}
+
+/* Change the status of the application.  If we're going passive
+   it removes it from the panel.  If we're coming online, then
+   it add it to the panel.  Otherwise it changes the icon. */
+static void
+apply_status (Application * app, ApplicationStatus status)
+{
+	if (app->status == status) {
+		return;
+	}
+	g_debug("Changing app status to: %d", status);
+
 	ApplicationServiceAppstore * appstore = app->appstore;
 	ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(appstore);
 
-	GList * applistitem = g_list_find(priv->applications, app);
-	if (applistitem == NULL) {
-		g_warning("Removing an application that isn't in the application list?");
+	/* This means we're going off line */
+	if (status == APP_STATUS_PASSIVE) {
+		gint position = get_position(app);
+		if (position == -1) return;
+
+		g_signal_emit(G_OBJECT(appstore),
+					  signals[APPLICATION_REMOVED], 0, 
+					  position, TRUE);
+
+		priv->applications = g_list_remove(priv->applications, app);
+	} else {
+		/* Figure out which icon we should be using */
+		gchar * newicon = app->icon;
+		if (status == APP_STATUS_ATTENTION && app->aicon != NULL) {
+			newicon = app->aicon;
+		}
+
+		/* Determine whether we're already shown or not */
+		if (app->status == APP_STATUS_PASSIVE) {
+			/* Put on panel */
+			priv->applications = g_list_prepend(priv->applications, app);
+	
+			/* TODO: We need to have the position determined better.  This
+			   would involve looking at the name and category and sorting
+			   it with the other entries. */
+
+			g_signal_emit(G_OBJECT(app->appstore),
+			              signals[APPLICATION_ADDED], 0, 
+			              newicon,
+			              0, /* Position */
+			              app->dbus_name,
+			              app->menu,
+			              app->icon_path,
+			              TRUE);
+		} else {
+			/* Icon update */
+			gint position = get_position(app);
+			if (position == -1) return;
+
+			g_signal_emit(G_OBJECT(appstore),
+			              signals[APPLICATION_ICON_CHANGED], 0, 
+			              position, newicon, TRUE);
+		}
+	}
+
+	app->status = status;
+
+	return;
+}
+
+/* Gets the data back on an updated icon signal.  Hopefully
+   a new fun icon. */
+static void
+new_icon_cb (DBusGProxy * proxy, GValue value, GError * error, gpointer userdata)
+{
+	/* Check for errors */
+	if (error != NULL) {
+		g_warning("Unable to get updated icon name: %s", error->message);
 		return;
 	}
 
-	gint position = g_list_position(priv->applications, applistitem);
+	/* Grab the icon and make sure we have one */
+	const gchar * newicon = g_value_get_string(&value);
+	if (newicon == NULL) {
+		g_warning("Bad new icon :(");
+		return;
+	}
 
-	g_signal_emit(G_OBJECT(appstore),
-	              signals[APPLICATION_REMOVED], 0, 
-	              position, TRUE);
+	Application * app = (Application *) userdata;
 
-	priv->applications = g_list_remove(priv->applications, app);
+	if (g_strcmp0(newicon, app->icon)) {
+		/* If the new icon is actually a new icon */
+		if (app->icon != NULL) g_free(app->icon);
+		app->icon = g_strdup(newicon);
+
+		if (app->status == APP_STATUS_ACTIVE) {
+			gint position = get_position(app);
+			if (position == -1) return;
+
+			g_signal_emit(G_OBJECT(app->appstore),
+			              signals[APPLICATION_ICON_CHANGED], 0, 
+			              position, newicon, TRUE);
+		}
+	}
+
+	return;
+}
+
+/* Gets the data back on an updated aicon signal.  Hopefully
+   a new fun icon. */
+static void
+new_aicon_cb (DBusGProxy * proxy, GValue value, GError * error, gpointer userdata)
+{
+	/* Check for errors */
+	if (error != NULL) {
+		g_warning("Unable to get updated icon name: %s", error->message);
+		return;
+	}
+
+	/* Grab the icon and make sure we have one */
+	const gchar * newicon = g_value_get_string(&value);
+	if (newicon == NULL) {
+		g_warning("Bad new icon :(");
+		return;
+	}
+
+	Application * app = (Application *) userdata;
+
+	if (g_strcmp0(newicon, app->aicon)) {
+		/* If the new icon is actually a new icon */
+		if (app->aicon != NULL) g_free(app->aicon);
+		app->aicon = g_strdup(newicon);
+
+		if (app->status == APP_STATUS_ATTENTION) {
+			gint position = get_position(app);
+			if (position == -1) return;
+
+			g_signal_emit(G_OBJECT(app->appstore),
+			              signals[APPLICATION_ICON_CHANGED], 0, 
+			              position, newicon, TRUE);
+		}
+	}
+
+	return;
+}
+
+/* Called when the Notification Item signals that it
+   has a new icon. */
+static void
+new_icon (DBusGProxy * proxy, gpointer data)
+{
+	Application * app = (Application *)data;
+	if (!app->validated) return;
+
+	org_freedesktop_DBus_Properties_get_async(app->prop_proxy,
+	                                          NOTIFICATION_ITEM_DBUS_IFACE,
+	                                          NOTIFICATION_ITEM_PROP_ICON_NAME,
+	                                          new_icon_cb,
+	                                          app);
+	return;
+}
+
+/* Called when the Notification Item signals that it
+   has a new attention icon. */
+static void
+new_aicon (DBusGProxy * proxy, gpointer data)
+{
+	Application * app = (Application *)data;
+	if (!app->validated) return;
+
+	org_freedesktop_DBus_Properties_get_async(app->prop_proxy,
+	                                          NOTIFICATION_ITEM_DBUS_IFACE,
+	                                          NOTIFICATION_ITEM_PROP_AICON_NAME,
+	                                          new_aicon_cb,
+	                                          app);
+
+	return;
+}
+
+/* Called when the Notification Item signals that it
+   has a new status. */
+static void
+new_status (DBusGProxy * proxy, const gchar * status, gpointer data)
+{
+	Application * app = (Application *)data;
+	if (!app->validated) return;
+
+	apply_status(app, string_to_status(status));
 
-	application_free(app);
 	return;
 }
 
@@ -261,11 +513,18 @@ application_service_appstore_application_add (ApplicationServiceAppstore * appst
 
 	/* Build the application entry.  This will be carried
 	   along until we're sure we've got everything. */
-	Application * app = g_new(Application, 1);
+	Application * app = g_new0(Application, 1);
 
+	app->validated = FALSE;
 	app->dbus_name = g_strdup(dbus_name);
 	app->dbus_object = g_strdup(dbus_object);
 	app->appstore = appstore;
+	app->status = APP_STATUS_PASSIVE;
+	app->icon = NULL;
+	app->aicon = NULL;
+	app->menu = NULL;
+	app->icon_path = NULL;
+	app->currently_free = FALSE;
 
 	/* Get the DBus proxy for the NotificationItem interface */
 	GError * error = NULL;
@@ -300,6 +559,34 @@ application_service_appstore_application_add (ApplicationServiceAppstore * appst
 		return;
 	}
 
+	/* Connect to signals */
+	dbus_g_proxy_add_signal(app->dbus_proxy,
+	                        NOTIFICATION_ITEM_SIG_NEW_ICON,
+	                        G_TYPE_INVALID);
+	dbus_g_proxy_add_signal(app->dbus_proxy,
+	                        NOTIFICATION_ITEM_SIG_NEW_AICON,
+	                        G_TYPE_INVALID);
+	dbus_g_proxy_add_signal(app->dbus_proxy,
+	                        NOTIFICATION_ITEM_SIG_NEW_STATUS,
+	                        G_TYPE_STRING,
+	                        G_TYPE_INVALID);
+
+	dbus_g_proxy_connect_signal(app->dbus_proxy,
+	                            NOTIFICATION_ITEM_SIG_NEW_ICON,
+	                            G_CALLBACK(new_icon),
+	                            app,
+	                            NULL);
+	dbus_g_proxy_connect_signal(app->dbus_proxy,
+	                            NOTIFICATION_ITEM_SIG_NEW_AICON,
+	                            G_CALLBACK(new_aicon),
+	                            app,
+	                            NULL);
+	dbus_g_proxy_connect_signal(app->dbus_proxy,
+	                            NOTIFICATION_ITEM_SIG_NEW_STATUS,
+	                            G_CALLBACK(new_status),
+	                            app,
+	                            NULL);
+
 	/* Get all the propertiees */
 	org_freedesktop_DBus_Properties_get_all_async(app->prop_proxy,
 	                                              NOTIFICATION_ITEM_DBUS_IFACE,
@@ -311,6 +598,8 @@ application_service_appstore_application_add (ApplicationServiceAppstore * appst
 	return;
 }
 
+/* Removes an application.  Currently only works for the apps
+   that are shown.  /TODO Need to fix that. */
 void
 application_service_appstore_application_remove (ApplicationServiceAppstore * appstore, const gchar * dbus_name, const gchar * dbus_object)
 {
@@ -318,6 +607,17 @@ application_service_appstore_application_remove (ApplicationServiceAppstore * ap
 	g_return_if_fail(dbus_name != NULL && dbus_name[0] != '\0');
 	g_return_if_fail(dbus_object != NULL && dbus_object[0] != '\0');
 
+	ApplicationServiceAppstorePrivate * priv = APPLICATION_SERVICE_APPSTORE_GET_PRIVATE(appstore);
+	GList * listpntr;
+
+	for (listpntr = priv->applications; listpntr != NULL; listpntr = g_list_next(listpntr)) {
+		Application * app = (Application *)listpntr->data;
+
+		if (!g_strcmp0(app->dbus_name, dbus_name) && !g_strcmp0(app->dbus_object, dbus_object)) {
+			application_removed_cb(NULL, app);
+			break; /* NOTE: Must break as the list will become inconsistent */
+		}
+	}
 
 	return;
 }