unified-video-framework
Version:
Cross-platform video player framework supporting iOS, Android, Web, Smart TVs (Samsung/LG), Roku, and more
259 lines • 8.57 kB
JavaScript
import { PlatformType } from '../interfaces';
export class PlatformDetector {
constructor() {
this.cachedPlatform = null;
}
detect() {
if (this.cachedPlatform) {
return this.cachedPlatform;
}
this.cachedPlatform = this.detectPlatform();
return this.cachedPlatform;
}
detectPlatform() {
if (typeof window === 'undefined' || global.nativeCallSyncHook) {
return this.detectReactNativePlatform();
}
if (typeof window !== 'undefined' && typeof navigator !== 'undefined') {
return this.detectWebPlatform();
}
return {
type: PlatformType.WEB,
os: 'unknown',
version: 'unknown',
isTV: false,
isMobile: false,
isDesktop: true
};
}
detectReactNativePlatform() {
try {
const { Platform } = require('react-native');
if (Platform.isTV) {
return {
type: Platform.OS === 'ios' ? PlatformType.APPLE_TV : PlatformType.ANDROID_TV,
os: Platform.OS,
version: Platform.Version?.toString() || 'unknown',
isTV: true,
isMobile: false,
isDesktop: false
};
}
return {
type: Platform.OS === 'ios' ? PlatformType.IOS : PlatformType.ANDROID,
os: Platform.OS,
version: Platform.Version?.toString() || 'unknown',
isTV: false,
isMobile: true,
isDesktop: false
};
}
catch (e) {
return this.detectWebPlatform();
}
}
detectWebPlatform() {
const userAgent = navigator.userAgent.toLowerCase();
const platform = navigator.platform?.toLowerCase() || '';
if (userAgent.includes('tizen') || window.tizen) {
return {
type: PlatformType.TIZEN,
os: 'tizen',
version: this.getTizenVersion(),
isTV: true,
isMobile: false,
isDesktop: false,
screenSize: this.getScreenSize()
};
}
if (userAgent.includes('webos') || userAgent.includes('web0s') || window.webOS) {
return {
type: PlatformType.WEBOS,
os: 'webos',
version: this.getWebOSVersion(),
isTV: true,
isMobile: false,
isDesktop: false,
screenSize: this.getScreenSize()
};
}
if (userAgent.includes('roku')) {
return {
type: PlatformType.ROKU,
os: 'roku',
version: this.getRokuVersion(userAgent),
isTV: true,
isMobile: false,
isDesktop: false
};
}
if (platform.includes('win') || userAgent.includes('windows')) {
return {
type: PlatformType.WINDOWS,
os: 'windows',
version: this.getWindowsVersion(userAgent),
isTV: false,
isMobile: false,
isDesktop: true,
hasTouch: this.hasTouchSupport(),
screenSize: this.getScreenSize()
};
}
if (/iphone|ipad|ipod/.test(userAgent) ||
(platform === 'macintel' && navigator.maxTouchPoints > 1)) {
return {
type: PlatformType.IOS,
os: 'ios',
version: this.getIOSVersion(userAgent),
isTV: false,
isMobile: true,
isDesktop: false,
hasTouch: true,
screenSize: this.getScreenSize()
};
}
if (userAgent.includes('android')) {
const isTV = userAgent.includes('tv') || userAgent.includes('aft');
return {
type: isTV ? PlatformType.ANDROID_TV : PlatformType.ANDROID,
os: 'android',
version: this.getAndroidVersion(userAgent),
isTV: isTV,
isMobile: !isTV,
isDesktop: false,
hasTouch: !isTV,
screenSize: this.getScreenSize()
};
}
if (userAgent.includes('appletv')) {
return {
type: PlatformType.APPLE_TV,
os: 'tvos',
version: 'unknown',
isTV: true,
isMobile: false,
isDesktop: false
};
}
return {
type: PlatformType.WEB,
os: this.getOS(),
version: 'unknown',
isTV: false,
isMobile: this.isMobileWeb(),
isDesktop: !this.isMobileWeb(),
hasTouch: this.hasTouchSupport(),
screenSize: this.getScreenSize()
};
}
getTizenVersion() {
try {
if (window.tizen && window.tizen.systeminfo) {
return window.tizen.systeminfo.getCapability('http://tizen.org/feature/platform.version');
}
}
catch (e) {
console.error('Failed to get Tizen version:', e);
}
return 'unknown';
}
getWebOSVersion() {
try {
if (window.webOS && window.webOS.systemInfo) {
return window.webOS.systemInfo.version;
}
}
catch (e) {
console.error('Failed to get webOS version:', e);
}
return 'unknown';
}
getRokuVersion(userAgent) {
const match = userAgent.match(/roku\/dvp-(\d+\.\d+)/);
return match ? match[1] : 'unknown';
}
getWindowsVersion(userAgent) {
if (userAgent.includes('windows nt 10.0'))
return '10';
if (userAgent.includes('windows nt 6.3'))
return '8.1';
if (userAgent.includes('windows nt 6.2'))
return '8';
if (userAgent.includes('windows nt 6.1'))
return '7';
return 'unknown';
}
getIOSVersion(userAgent) {
const match = userAgent.match(/os (\d+)_(\d+)_?(\d+)?/);
if (match) {
return `${match[1]}.${match[2]}${match[3] ? `.${match[3]}` : ''}`;
}
return 'unknown';
}
getAndroidVersion(userAgent) {
const match = userAgent.match(/android (\d+\.?\d*)/);
return match ? match[1] : 'unknown';
}
getOS() {
const platform = navigator.platform?.toLowerCase() || '';
const userAgent = navigator.userAgent.toLowerCase();
if (platform.includes('mac'))
return 'macos';
if (platform.includes('win'))
return 'windows';
if (platform.includes('linux'))
return 'linux';
if (userAgent.includes('cros'))
return 'chromeos';
return 'unknown';
}
isMobileWeb() {
const userAgent = navigator.userAgent.toLowerCase();
const mobileRegex = /android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i;
return mobileRegex.test(userAgent) || this.isSmallScreen();
}
isSmallScreen() {
return window.innerWidth <= 768 && window.innerHeight <= 1024;
}
hasTouchSupport() {
return 'ontouchstart' in window ||
navigator.maxTouchPoints > 0 ||
navigator.msMaxTouchPoints > 0;
}
getScreenSize() {
return {
width: window.screen?.width || window.innerWidth,
height: window.screen?.height || window.innerHeight
};
}
isTV() {
return this.detect().isTV;
}
isMobile() {
return this.detect().isMobile;
}
isDesktop() {
return this.detect().isDesktop || false;
}
isApple() {
const platform = this.detect().type;
return [PlatformType.IOS, PlatformType.APPLE_TV].includes(platform);
}
isAndroid() {
const platform = this.detect().type;
return [PlatformType.ANDROID, PlatformType.ANDROID_TV].includes(platform);
}
isSamsung() {
return this.detect().type === PlatformType.TIZEN;
}
isLG() {
return this.detect().type === PlatformType.WEBOS;
}
isRoku() {
return this.detect().type === PlatformType.ROKU;
}
clearCache() {
this.cachedPlatform = null;
}
}
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