+
+/**
+ * Fires off an AJAX request to retrieve the current status of a Sone.
+ *
+ * @param soneId
+ * The ID of the Sone
+ */
+function getSoneStatus(soneId) {
+ $.getJSON("ajax/getSoneStatus.ajax", {"sone": soneId}, function(data, textStatus) {
+ updateSoneStatus(soneId, data.status, data.modified, data.lastUpdated);
+ /* seconds! */
+ updateInterval = 60;
+ if (data.age < 600) {
+ updateInterval = 5;
+ } else if (data.age < 86400) {
+ updateInterval = 30;
+ }
+ setTimeout(function() {
+ getSoneStatus(soneId);
+ }, updateInterval * 1000);
+ });
+}
+
+/**
+ * Updates the status of the given Sone.
+ *
+ * @param soneId
+ * The ID of the Sone to update
+ * @param status
+ * The status of the Sone (“idle”, “unknown”, “inserting”,
+ * “downloading”)
+ * @param modified
+ * Whether the Sone is modified
+ * @param lastUpdated
+ * The date and time of the last update (formatted for display)
+ */
+function updateSoneStatus(soneId, status, modified, lastUpdated) {
+ $("#sone .sone." + soneId).
+ toggleClass("unknown", status == "unknown").
+ toggleClass("idle", status == "idle").
+ toggleClass("inserting", status == "inserting").
+ toggleClass("downloading", status == "downloading").
+ toggleClass("modified", modified);
+ $("#sone .sone." + soneId + " .last-update span.time").text(lastUpdated);
+}
+
+var watchedSones = {};
+
+/**
+ * Watches this Sone for updates to its status.
+ *
+ * @param soneId
+ * The ID of the Sone to watch
+ */
+function watchSone(soneId) {
+ if (watchedSones[soneId]) {
+ return;
+ }
+ watchedSones[soneId] = true;
+ (function(soneId) {
+ setTimeout(function() {
+ getSoneStatus(soneId);
+ }, 5000);
+ })(soneId);
+}