[Mobile] Add mct-device directive

Add directive which can be used to include certain elements
only on specific devices.

platform/commonUI/browse/res/templates/browse.html

@@ -55,6 +55,7 @@
                     </mct-representation>
                 </div>
                 <div class="key-properties ui-symbol icon mobile-menu-icon desktop-hide"
+                     mct-device="mobile"
                      ng-click="tree.toggle()">m</div>
             </div>
         </mct-split-pane>

platform/commonUI/mobile/bundle.json

@@ -8,6 +8,13 @@
                 "depends": [ "$scope", "navigationService", "agentService" ]
             }
         ],
+        "directives": [
+            {
+                "key": "mctDevice",
+                "implementation": "MCTDevice.js",
+                "depends": [ "agentService" ]
+            }
+        ],
         "services": [
             {
                 "key": "agentService",

platform/commonUI/mobile/src/MCTDevice.js

@@ -0,0 +1,104 @@
+/*****************************************************************************
+ * 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,Promise*/
+
+define(
+    function () {
+        'use strict';
+
+        var DEVICE_MATCHERS = {
+            mobile: function (agentService) {
+                return agentService.isMobile();
+            },
+            phone: function (agentService) {
+                return agentService.isPhone();
+            },
+            tablet: function (agentService) {
+                return agentService.isTablet();
+            },
+            desktop: function (agentService) {
+                return !agentService.isMobile();
+            },
+            portrait: function (agentService) {
+                return agentService.isPortrait();
+            },
+            landscape: function (agentService) {
+                return agentService.isLandscape();
+            }
+        };
+
+
+        /**
+         * The `mct-device` directive, when applied as an attribute,
+         * only includes the element when the device being used matches
+         * a set of characteristics required.
+         *
+         * Required characteristics are given as space-separated strings
+         * as the value to this attribute, e.g.:
+         *
+         *    <span mct-device="mobile portrait">Hello world!</span>
+         *
+         * ...will only show Hello world! when viewed on a mobile device
+         * in the portrait orientation.
+         *
+         * Valid device characteristics to detect are:
+         *
+         * * `mobile`: Phones or tablets.
+         * * `phone`: Phones specifically.
+         * * `tablet`: Tablets specifically.
+         * * `desktop`: Non-mobile devices.
+         * * `portrait`: Devices in a portrait-style orientation.
+         * * `landscape`: Devices in a landscape-style orientation.
+         *
+         * @param {AgentService} agentService used to detect device type
+         *        based on information about the user agent
+         */
+        function MCTDevice(agentService) {
+
+            function deviceMatches(tokens) {
+                tokens = tokens || "";
+                return tokens.split(" ").every(function (token) {
+                    var fn = DEVICE_MATCHERS[token];
+                    return fn && fn(agentService);
+                });
+            }
+
+            function link(scope, element, attrs, ctrl, transclude) {
+                if (deviceMatches(attrs.mctDevice)) {
+                    transclude(function (clone) {
+                        element.parent().append(clone);
+                    });
+                }
+            }
+
+            return {
+                link: link,
+                // We are transcluding the whole element (like ng-if)
+                transclude: 'element',
+                // Only apply as an attribute
+                restrict: "A"
+            };
+        }
+
+        return MCTDevice;
+    }
+);