////  SettingsScriptingInterface.h//  interface/src/scripting////  Created by Brad Hefta-Gaub on 3/22/14.//  Copyright 2014 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// #ifndef hifi_SettingsScriptingInterface_h#define hifi_SettingsScriptingInterface_h #include <QObject>#include <QString> /**jsdoc * The Settings API provides a facility to store and retrieve values that persist between Interface runs. * @namespace Settings * * @hifi-interface * @hifi-client-entity */ class SettingsScriptingInterface : public QObject {    Q_OBJECT    SettingsScriptingInterface() { };public:    static SettingsScriptingInterface* getInstance(); public slots:     /**jsdoc     * Retrieve the value from a named setting.     * @function Settings.getValue     * @param {string} key - The name of the setting.     * @param {string|number|boolean|object} [defaultValue=""] - The value to return if the setting doesn't exist.     * @returns {string|number|boolean|object} The value stored in the named setting if it exists, otherwise the      *     <code>defaultValue</code>.     * @example <caption>Retrieve non-existent setting values.</caption>     * var value1 = Settings.getValue("Script Example/Nonexistent Key");     * print("Value: " + (typeof value1) + " " + JSON.stringify(value1));  // string ""     *     * var value2 = Settings.getValue("Script Example/Nonexistent Key", true);     * print("Value: " + (typeof value2) + " " + JSON.stringify(value2));  // boolean true     */    QVariant getValue(const QString& setting);    QVariant getValue(const QString& setting, const QVariant& defaultValue);     /**jsdoc     * Store a value in a named setting. If the setting already exists its value is overwritten, otherwise a new setting is      * created. If the value is set to <code>null</code> or <code>undefined</code>, the setting is deleted.     * @function Settings.setValue     * @param {string} key - The name of the setting. Be sure to use a unique name if creating a new setting.     * @param {string|number|boolean|object|undefined} value - The value to store in the setting. If <code>null</code> or      *     <code>undefined</code> is specified, the setting is deleted.     * @example <caption>Store and retrieve an object value.</caption>     * Settings.setValue("Script Example/My Key", { x: 0, y: 10, z: 0 });     *     * var value = Settings.getValue("Script Example/My Key");     * print("Value: " + (typeof value) + " " + JSON.stringify(value));  // object {"x":0,"y":10,"z":0}     */    void setValue(const QString& setting, const QVariant& value);}; #endif // hifi_SettingsScriptingInterface_h