+/**
+ * Returns the notification hash. This hash is used in {@link #getStatus()} to
+ * determine whether the notifications changed and need to be reloaded.
+ */
+function getNotificationHash() {
+ return sone.find("#notification-area #notification-hash").text();
+}
+
+/**
+ * Sets the notification hash.
+ *
+ * @param notificationHash
+ * The new notification hash
+ */
+function setNotificationHash(notificationHash) {
+ sone.find("#notification-area #notification-hash").text(notificationHash);
+}
+
+/**
+ * Retrieves element IDs from notification elements.
+ *
+ * @param notification
+ * The notification element
+ * @param selector
+ * The selector of the element containing the ID as text
+ * @returns All extracted IDs
+ */
+function getElementIds(notification, selector) {
+ var elementIds = [];
+ $(selector, notification).each(function() {
+ elementIds.push($(this).text());
+ });
+ return elementIds;
+}
+
+/**
+ * Compares the given notification elements and calls {@link #markSoneAsKnown()}
+ * for every ID that is contained in the old notification but not in the new.
+ *
+ * @param oldNotification
+ * The old notification element
+ * @param newNotification
+ * The new notification element
+ */
+function checkForRemovedSones(oldNotification, newNotification) {
+ if (getNotificationId(oldNotification) != "new-sone-notification") {
+ return;
+ }
+ var oldIds = getElementIds(oldNotification, ".new-sone-id");
+ var newIds = getElementIds(newNotification, ".new-sone-id");
+ $.each(oldIds, function(index, value) {
+ if ($.inArray(value, newIds) == -1) {
+ markSoneAsKnown(getSone(value), true);
+ }
+ });
+}
+
+/**
+ * Compares the given notification elements and calls {@link #markPostAsKnown()}
+ * for every ID that is contained in the old notification but not in the new.
+ *
+ * @param oldNotification
+ * The old notification element
+ * @param newNotification
+ * The new notification element
+ */
+function checkForRemovedPosts(oldNotification, newNotification) {
+ if (getNotificationId(oldNotification) != "new-post-notification") {
+ return;
+ }
+ var oldIds = getElementIds(oldNotification, ".post-id");
+ var newIds = getElementIds(newNotification, ".post-id");
+ $.each(oldIds, function(index, value) {
+ if ($.inArray(value, newIds) == -1) {
+ markPostAsKnown(getPost(value), true);
+ }
+ });
+}
+
+/**
+ * Compares the given notification elements and calls
+ * {@link #markReplyAsKnown()} for every ID that is contained in the old
+ * notification but not in the new.
+ *
+ * @param oldNotification
+ * The old notification element
+ * @param newNotification
+ * The new notification element
+ */
+function checkForRemovedReplies(oldNotification, newNotification) {
+ if (getNotificationId(oldNotification) != "new-reply-notification") {
+ return;
+ }
+ var oldIds = getElementIds(oldNotification, ".reply-id");
+ var newIds = getElementIds(newNotification, ".reply-id");
+ $.each(oldIds, function(index, value) {
+ if ($.inArray(value, newIds) == -1) {
+ markReplyAsKnown(getReply(value), true);
+ }
+ });
+}
+