Merge branch 'master' into GPII-3819

src/main/common/utils.js

@@ -341,3 +341,28 @@ gpii.app.compileAppDataPath = function (fileLocation) {
     var path = require("path");
     return path.join(process.env.appdata, fileLocation);
 };
+
+/**
+ * Get the actual volume value. If there are an error or no value return the default
+ * volume value
+ * @param {Object} browserWindow - An Electron `BrowserWindow` object.
+ * @param {String} messageChannel - The channel to which the message should be sent.
+ * @return {Number} - The actual value of the volume
+ */
+gpii.app.getVolumeValue = function (browserWindow, messageChannel) {
+    var defaultVolumeValue = 0.5;
+    try {
+        var volumeValue = gpii.windows.nativeSettingsHandler.GetVolume().value;
+
+        if (isNaN(volumeValue)) {
+            gpii.app.notifyWindow(browserWindow, messageChannel, defaultVolumeValue);
+            return defaultVolumeValue;
+        } else {
+            gpii.app.notifyWindow(browserWindow, messageChannel, volumeValue);
+            return volumeValue;
+        }
+    } catch (err) {
+        fluid.log(fluid.logLevel.WARN, err);
+        return defaultVolumeValue;
+    }
+};