[Time Controller] Add conductor service

WTD-1515.

platform/features/conductor/src/ConductorService.js

@@ -0,0 +1,46 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define(
+    ['./TimeConductor'],
+    function (TimeConductor) {
+        'use strict';
+
+        var ONE_DAY_IN_MS = 1000 * 60 * 60 * 24,
+            SIX_HOURS_IN_MS = ONE_DAY_IN_MS / 4;
+
+        function ConductorService(now) {
+            var initialEnd =
+                Math.ceil(now() /  SIX_HOURS_IN_MS) * SIX_HOURS_IN_MS;
+
+            this.conductor =
+                new TimeConductor(initialEnd - ONE_DAY_IN_MS, initialEnd);
+        }
+
+        ConductorService.prototype.getConductor = function () {
+            return this.conductor;
+        };
+
+        return ConductorService;
+    }
+);

platform/features/conductor/src/ConductorTelemetryCapability.js

@@ -31,20 +31,20 @@ define(
         }
 
         ConductorTelemetryCapability.prototype.getMetadata = function () {
-            return this.wrappedCapability.getMetadata;
+            return this.wrappedCapability.getMetadata();
         };
 
         ConductorTelemetryCapability.prototype.requestData = function (request) {
             request = request || {};
-            request.start = this.timeConductor.getStart();
-            request.end = this.timeConductor.getEnd();
+            request.start = this.timeConductor.queryStart();
+            request.end = this.timeConductor.queryEnd();
             return this.wrappedCapability.requestData(request);
         };
 
         ConductorTelemetryCapability.prototype.subscribe = function (callback, request) {
             request = request || {};
-            request.start = this.timeConductor.getStart();
-            request.end = this.timeConductor.getEnd();
+            request.start = this.timeConductor.queryStart();
+            request.end = this.timeConductor.queryEnd();
             return this.wrappedCapability.subscribe(callback, request);
         };
 

platform/features/conductor/src/TimeConductor.js

@@ -0,0 +1,63 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define(
+    function () {
+        'use strict';
+
+        function TimeConductor(start, end) {
+            this.inner = [ start, end ];
+            this.outer = [ start, end ];
+        }
+
+        TimeConductor.prototype.queryStart = function (value) {
+            if (arguments.length > 0) {
+                this.outer[0] = value;
+            }
+            return this.outer[0];
+        };
+
+        TimeConductor.prototype.queryEnd = function (value) {
+            if (arguments.length > 0) {
+                this.outer[1] = value;
+            }
+            return this.outer[1];
+        };
+
+        TimeConductor.prototype.displayStart = function (value) {
+            if (arguments.length > 0) {
+                this.inner[0] = value;
+            }
+            return this.inner[0];
+        };
+
+        TimeConductor.prototype.displayEnd = function (value) {
+            if (arguments.length > 0) {
+                this.inner[1] = value;
+            }
+            return this.inner[1];
+        };
+
+        return TimeConductor;
+    }
+);