Add a skeleton for the RadioManager object

javascript/features/radio/channel_selection.test.js

@@ -13,10 +13,8 @@ describe('ChannelSelection', (it, beforeEach, afterEach) => {
         settings = server.featureManager.loadFeature('settings');
         selection = new ChannelSelection(() => new MockAnnounce(), () => settings);
     });
-    afterEach(() => {
-        if (selection)
-            selection.dispose();
-    });
+
+    afterEach(() => selection.dispose());
 
     // Radio configuration that should be used for testing purposes.
     const TEST_RADIO_CONFIGURATION = [

javascript/features/radio/radio.js

@@ -5,6 +5,7 @@
 const Feature = require('components/feature_manager/feature.js');
 
 const ChannelSelection = require('features/radio/channel_selection.js');
+const RadioManager = require('features/radio/radio_manager.js');
 
 // Implementation of the Radio feature that allows players to listen to a variety of radio channels
 // while playing on Las Venturas Playground.
@@ -20,9 +21,12 @@ class Radio extends Feature {
 
         this.selection_ = new ChannelSelection(announce, settings);
         this.selection_.loadConfiguration();
+
+        this.manager_ = new RadioManager(this.selection_, settings);
     }
 
     dispose() {
+        this.manager_.dispose();
         this.selection_.dispose();
     }
 }

javascript/features/radio/radio_manager.js

@@ -0,0 +1,18 @@
+// Copyright 2017 Las Venturas Playground. All rights reserved.
+// Use of this source code is governed by the MIT license, a copy of which can
+// be found in the LICENSE file.
+
+//
+class RadioManager {
+    constructor(selection, settings) {
+        this.selection_ = selection;
+        this.settings_ = settings;
+    }
+
+    // Returns whether the radio feature should be enabled at all.
+    isEnabled() { return this.settings_().getValue('radio/enabled'); }
+
+    dispose() {}
+}
+
+exports = RadioManager;

javascript/features/radio/radio_manager.test.js

@@ -0,0 +1,42 @@
+// Copyright 2017 Las Venturas Playground. All rights reserved.
+// Use of this source code is governed by the MIT license, a copy of which can
+// be found in the LICENSE file.
+
+const ChannelSelection = require('features/radio/channel_selection.js');
+const MockAnnounce = require('features/announce/test/mock_announce.js');
+const RadioManager = require('features/radio/radio_manager.js');
+
+describe('RadioManager', (it, beforeEach, afterEach) => {
+    let manager = null;
+    let settings = null;
+
+    beforeEach(() => {
+        settings = server.featureManager.loadFeature('settings');
+
+        const announce = new MockAnnounce();
+        const selection = new ChannelSelection(() => announce, () => settings);
+        selection.loadConfigurationFromArray([
+            {
+                name: "LVP Radio",
+                stream: "https://play.sa-mp.nl/stream.pls"
+            }
+        ]);
+
+        manager = new RadioManager(selection, () => settings);
+    });
+
+    afterEach(() => {
+        manager.selection_.dispose();
+        manager.dispose();
+    });
+
+    it('should keep track of whether the feature is enabled', assert => {
+        assert.isTrue(settings.getValue('radio/enabled'));
+        assert.isTrue(manager.isEnabled());
+
+        settings.setValue('radio/enabled', false);
+
+        assert.isFalse(settings.getValue('radio/enabled'));
+        assert.isFalse(manager.isEnabled());
+    });
+});