jellyfin-web/dashboard-ui/components/apphost.js

define(['appStorage', 'browser'], function (appStorage, browser) {

    function getDeviceProfile() {

        // TODO
        return null;
    }

    function getCapabilities() {

        var caps = {
            PlayableMediaTypes: ['Audio', 'Video'],

            SupportsPersistentIdentifier: false,
            DeviceProfile: getDeviceProfile()
        };

        return caps;
    }

    function generateDeviceId() {
        return new Promise(function (resolve, reject) {

            require(['fingerprintjs2'], function (Fingerprint2) {

                new Fingerprint2().get(function (result, components) {
                    console.log('Generated device id: ' + result); //a hash, representing your device fingerprint
                    resolve(result);
                });
            });
        });
    }

    return {
        getWindowState: function () {
            return document.windowState || 'Normal';
        },
        setWindowState: function (state) {
            alert('setWindowState is not supported and should not be called');
        },
        exit: function () {
            alert('exit is not supported and should not be called');
        },
        supports: function (command) {

            var features = [
                'filedownload'
            ];

            return features.indexOf(command.toLowerCase()) != -1;
        },
        appName: function () {
            return 'Emby Mobile';
        },
        appVersion: function () {
            return '2.0.1';
        },
        deviceName: function () {
            var deviceName;

            if (browser.chrome) {
                deviceName = "Chrome";
            } else if (browser.edge) {
                deviceName = "Edge";
            } else if (browser.firefox) {
                deviceName = "Firefox";
            } else if (browser.msie) {
                deviceName = "Internet Explorer";
            } else {
                deviceName = "Web Browser";
            }

            if (browser.version) {
                deviceName += " " + browser.version;
            }

            if (browser.ipad) {
                deviceName += " Ipad";
            } else if (browser.iphone) {
                deviceName += " Iphone";
            } else if (browser.android) {
                deviceName += " Android";
            }

            return deviceName;
        },
        deviceId: function () {

            var key = '_deviceId2';
            var deviceId = appStorage.getItem(key);

            if (deviceId) {
                return Promise.resolve(deviceId);
            } else {
                return generateDeviceId().then(function (deviceId) {
                    appStorage.setItem(key, deviceId);
                    return deviceId;
                });
            }
        },
        capabilities: getCapabilities
    };
});