WIP reorganization

legacy/Packages/meteor-stale-session/client.js

@@ -0,0 +1,86 @@
+//
+// Client side activity detection for the session timeout
+// - depends on jquery
+//
+// Meteor settings:
+// - staleSessionHeartbeatInterval: interval (in ms) at which activity heartbeats are sent up to the server
+// - staleSessionActivityEvents: the jquery events which are considered indicator of activity e.g. in an on() call.
+//
+var heartbeatInterval = Meteor.settings && Meteor.settings.public && Meteor.settings.public.staleSessionHeartbeatInterval || (3*60*1000); // 3mins
+var activityEvents = Meteor.settings && Meteor.settings.public && Meteor.settings.public.staleSessionActivityEvents || 'mousemove click keydown';
+var inactivityTimeout = Meteor.settings && Meteor.settings.public && Meteor.settings.public.staleSessionInactivityTimeout || (30*60*1000); // 30mins
+
+var dialogTimeout = Meteor.settings && Meteor.settings.public && Meteor.settings.public.dialogTimeout || (30*1000); // 30secs
+var showCountdownDialog =  Meteor.settings && Meteor.settings.public && Meteor.settings.public.showCountdownDialog || false;
+var countdownHeartbeatInterval = (heartbeatInterval < dialogTimeout)? heartbeatInterval : dialogTimeout;
+
+var activityDetected = false;
+var lastActivityDetectedTime = new Date();
+var dialogIsOpen = false;
+
+Meteor.startup(function() {
+
+    //
+    // periodically send a heartbeat if activity has been detected within the interval
+    //
+    if (showCountdownDialog) {
+        Meteor.setInterval(function() {
+            if (Meteor.userId()) {
+                if (activityDetected) {
+                    Meteor.call('heartbeat', function(error, heartbeatTime) {
+                        lastActivityDetectedTime = heartbeatTime;
+                        activityDetected = false;
+                        // Event to close dialog
+                        $.event.trigger('TriggerCloseTimeoutCountdownDialog');
+                        dialogIsOpen = false;
+                    });
+
+                } else {
+                    var overdueTimestamp = new Date().getTime() - lastActivityDetectedTime;
+                    // Ignore min differences
+                    overdueTimestamp = overdueTimestamp - (overdueTimestamp % 1000);
+                    console.log(overdueTimestamp);
+                    var startTime = inactivityTimeout - dialogTimeout;
+                    var nextIntervalTime = overdueTimestamp + countdownHeartbeatInterval;
+                    if (overdueTimestamp <= inactivityTimeout && nextIntervalTime <= inactivityTimeout && nextIntervalTime >= startTime) {
+                        if (Math.abs(startTime - overdueTimestamp) <= Math.abs(nextIntervalTime - startTime) && !dialogIsOpen) {
+                            // Open dialog
+                            var leftTime = Math.round((inactivityTimeout - overdueTimestamp) / 1000);
+                            $.event.trigger('TriggerOpenTimeoutCountdownDialog', leftTime);
+                            dialogIsOpen = true;
+                        }
+
+                    } else {
+                        // Event to close dialog
+                        $.event.trigger('TriggerCloseTimeoutCountdownDialog');
+                        dialogIsOpen = false;
+                    }
+                }
+
+            } else {
+                // Event to close dialog
+                $.event.trigger('TriggerCloseTimeoutCountdownDialog');
+                dialogIsOpen = false;
+            }
+        }, countdownHeartbeatInterval);
+
+    } else{
+
+        Meteor.setInterval(function() {
+            if (Meteor.userId() && activityDetected) {
+                Meteor.call('heartbeat');
+                activityDetected = false;
+            }
+        }, heartbeatInterval);
+    }
+
+    //
+    // detect activity and mark it as detected on any of the following events
+    //
+    $(document).on(activityEvents, function() {
+        activityDetected = true;
+        // Event to close dialog
+        $.event.trigger('TriggerCloseTimeoutCountdownDialog');
+        dialogIsOpen = false;
+    });
+});