Source: lib/device/apple_browser.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2025 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  7. goog.provide('shaka.device.AppleBrowser');
  9. goog.require('shaka.device.AbstractDevice');
  10. goog.require('shaka.device.DeviceFactory');
  11. goog.require('shaka.device.IDevice');
  12. goog.require('shaka.util.Lazy');
  15. /**
  16.  * @final
  17.  */
  18. shaka.device.AppleBrowser = class extends shaka.device.AbstractDevice {
  19.   constructor() {
  20.     super();
  22.     /** @private {!shaka.util.Lazy<?number>} */
  23.     this.version_ = new shaka.util.Lazy(() => {
  24.       // This works for iOS Safari and desktop Safari, which contain something
  25.       // like "Version/13.0" indicating the major Safari or iOS version.
  26.       let match = navigator.userAgent.match(/Version\/(\d+)/);
  27.       if (match) {
  28.         return parseInt(match[1], /* base= */ 10);
  29.       }
  31.       // This works for all other browsers on iOS, which contain something like
  32.       // "OS 13_3" indicating the major & minor iOS version.
  33.       match = navigator.userAgent.match(/OS (\d+)(?:_\d+)?/);
  34.       if (match) {
  35.         return parseInt(match[1], /* base= */ 10);
  36.       }
  38.       return null;
  39.     });
  41.     /** @private {!shaka.util.Lazy<!shaka.device.IDevice.DeviceType>} */
  42.     this.deviceType_ = new shaka.util.Lazy(() => {
  43.       if (/(?:iPhone|iPad|iPod)/.test(navigator.userAgent) ||
  44.         navigator.maxTouchPoints > 1) {
  45.         if ('xr' in navigator) {
  46.           return shaka.device.IDevice.DeviceType.VR;
  47.         }
  48.         return shaka.device.IDevice.DeviceType.MOBILE;
  49.       }
  50.       if ('xr' in navigator) {
  51.         return shaka.device.IDevice.DeviceType.VR;
  52.       }
  53.       return shaka.device.IDevice.DeviceType.DESKTOP;
  54.     });
  55.   }
  57.   /**
  58.    * @override
  59.    */
  60.   getVersion() {
  61.     return this.version_.value();
  62.   }
  64.   /**
  65.    * @override
  66.    */
  67.   getDeviceName() {
  68.     return 'Apple Browser';
  69.   }
  71.   /**
  72.    * @override
  73.    */
  74.   getDeviceType() {
  75.     return this.deviceType_.value();
  76.   }
  78.   /**
  79.    * @override
  80.    */
  81.   getBrowserEngine() {
  82.     return shaka.device.IDevice.BrowserEngine.WEBKIT;
  83.   }
  85.   /**
  86.    * @override
  87.    */
  88.   supportsMediaCapabilities() {
  89.     return false;
  90.   }
  92.   /**
  93.    * @override
  94.    */
  95.   requiresEncryptionInfoInAllInitSegments(keySystem, contentType) {
  96.     return contentType === 'audio';
  97.   }
  99.   /**
  100.    * @override
  101.    */
  102.   insertEncryptionDataBeforeClear() {
  103.     return true;
  104.   }
  106.   /**
  107.    * @override
  108.    */
  109.   requiresTfhdFix(contentType) {
  110.     return contentType === 'audio';
  111.   }
  113.   /**
  114.    * @override
  115.    */
  116.   adjustConfig(config) {
  117.     super.adjustConfig(config);
  118.     config.abr.minTimeToSwitch = 0.5;
  119.     return config;
  120.   }
  122.   /**
  123.    * @override
  124.    */
  125.   supportsAirPlay() {
  126.     return true;
  127.   }
  129.   /**
  130.    * @return {boolean}
  131.    * @private
  132.    */
  133.   static isAppleBrowser_() {
  134.     if (!(navigator.vendor || '').includes('Apple')) {
  135.       return false;
  136.     }
  137.     if (/(?:iPhone|iPad|iPod)/.test(navigator.userAgent) ||
  138.         navigator.maxTouchPoints > 1) {
  139.       return true;
  140.     }
  141.     if (navigator.userAgentData && navigator.userAgentData.platform &&
  142.         navigator.userAgentData.platform.toLowerCase() == 'macos') {
  143.       return true;
  144.     } else if (navigator.platform &&
  145.         navigator.platform.toLowerCase().includes('mac')) {
  146.       return true;
  147.     }
  148.     return false;
  149.   }
  150. };
  152. if (shaka.device.AppleBrowser.isAppleBrowser_()) {
  153.   shaka.device.DeviceFactory.registerDeviceFactory(
  154.       () => new shaka.device.AppleBrowser());
  155. }