[Time Controller] Get conductor working with fixed pos.

WTD-1515

example/generator/src/SinewaveTelemetrySeries.js

@@ -37,21 +37,27 @@ define(
          */
         function SinewaveTelemetrySeries(request) {
             var latestObservedTime = Math.floor(Date.now() / 1000),
-                count = latestObservedTime - firstObservedTime,
+                endTime = (request.end !== undefined) ?
+                        Math.floor(request.end / 1000) : latestObservedTime,
+                count =
+                    Math.min(endTime, latestObservedTime) - firstObservedTime,
                 period = request.period || 30,
                 generatorData = {},
                 offset = (request.start !== undefined) ?
                         Math.floor(request.start / 1000) - firstObservedTime :
                         0;
 
+            if (request.size !== undefined) {
+                offset = Math.max(offset, count - request.size);
+            }
+
             generatorData.getPointCount = function () {
                 return count - offset;
             };
 
             generatorData.getDomainValue = function (i, domain) {
                 return (i + offset) * 1000 +
-                        (domain !== 'delta' ?
+                        (domain !== 'delta' ? (firstObservedTime * 1000) : 0);
-                            (firstObservedTime * 1000) : 0);
             };
 
             generatorData.getRangeValue = function (i, range) {

platform/features/conductor/src/ConductorTelemetryCapability.js

@@ -44,18 +44,35 @@ define(
             this.wrappedCapability = telemetryCapability;
         }
 
+        ConductorTelemetryCapability.prototype.amendRequest = function (request) {
+            request = request || {};
+
+            // This isn't really the right check, but it happens to distinguish
+            // plots (which want to query for the full set of data for easy
+            // panning) from views like fixed position, which only want the
+            // single latest data point.
+            if (request.size !== undefined) {
+                request.start = this.timeConductor.displayStart();
+                request.end = this.timeConductor.displayEnd();
+            } else {
+                request.start = this.timeConductor.queryStart();
+                request.end = this.timeConductor.queryEnd();
+            }
+
+            return request;
+        };
+
         ConductorTelemetryCapability.prototype.getMetadata = function () {
             return this.wrappedCapability.getMetadata();
         };
 
         ConductorTelemetryCapability.prototype.requestData = function (request) {
-            request = request || {};
+            request = this.amendRequest(request);
-            request.start = this.timeConductor.queryStart();
-            request.end = this.timeConductor.queryEnd();
             return this.wrappedCapability.requestData(request);
         };
 
         ConductorTelemetryCapability.prototype.subscribe = function (callback, request) {
+            request = this.amendRequest(request);
             return this.wrappedCapability.subscribe(callback, request);
         };
 

platform/features/layout/src/FixedController.js

@@ -120,7 +120,7 @@ define(
                         handle.getDatum(telemetryObject);
 
                 if (telemetryObject &&
-                        handle.getDomainValue(telemetryObject) < maxDomainValue) {
+                        (handle.getDomainValue(telemetryObject) < maxDomainValue)) {
                     setDisplayedValue(
                         telemetryObject,
                         handle.getRangeValue(telemetryObject),
@@ -233,7 +233,7 @@ define(
             }
 
             // Trigger a new query for telemetry data
-            function updateDisplayBounds(bounds) {
+            function updateDisplayBounds(event, bounds) {
                 maxDomainValue = bounds.end;
                 if (handle) {
                     handle.request(