Stub new avatar recording script that records when tablet is hidden

scripts/system/record.js

@@ -0,0 +1,87 @@
+"use strict";
+
+//
+//  record.js
+//
+//  Created by David Rowe on 5 Apr 2017.
+//  Copyright 2017 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+(function () {
+
+    var APP_NAME = "RECORD",
+        APP_ICON_INACTIVE = "icons/tablet-icons/edit-i.svg",  // FIXME: Record icon.
+        APP_ICON_ACTIVE = "icons/tablet-icons/edit-a.svg",  // FIXME: Record icon.
+        isRecordingEnabled = false,
+        isRecording = false,
+        tablet,
+        button;
+
+    function startRecording() {
+        isRecording = true;
+        print("Start recording");
+    }
+
+    function finishRecording() {
+        isRecording = false;
+        print("Finish recording");
+    }
+
+    function abandonRecording() {
+        isRecording = false;
+        print("Abandon recording");
+    }
+
+    function onTabletShownChanged() {
+        if (tablet.tabletShown) {
+            // Finish recording if is recording.
+            if (isRecording) {
+                finishRecording();
+                button.editProperties({ isActive: isRecordingEnabled || isRecording });
+            }
+        } else {
+            // Start recording if recording is enabled.
+            if (isRecordingEnabled) {
+                startRecording();
+                button.editProperties({ isActive: isRecordingEnabled || isRecording });
+            }
+        }
+    }
+
+    function setUp() {
+        tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
+        if (!tablet) {
+            return;
+        }
+
+        // Tablet/toolbar button.
+        button = tablet.addButton({
+            icon: APP_ICON_INACTIVE,
+            activeIcon: APP_ICON_ACTIVE,
+            text: APP_NAME,
+            isActive: isRecordingEnabled || isRecording
+        });
+
+        // Track showing/hiding tablet.
+        tablet.tabletShownChanged.connect(onTabletShownChanged);
+
+    }
+
+    function tearDown() {
+        if (isRecording) {
+            abandonRecording();
+        }
+
+        if (!tablet) {
+            return;
+        }
+        tablet.tabletShownChanged.disconnect(onTabletShownChanged);
+        tablet.removeButton(button);
+    }
+
+    setUp();
+    Script.scriptEnding.connect(tearDown);
+}());