ifui/lib/utils/device.js

'use strict';

exports.__esModule = true;
/*
 * @Author: lllevi
* @Date: 2018-06-30 10:24:08
 * @Last Modified by: lllevi
 * @Last Modified time: 2018-06-30 13:40:06
*/
var canvas = void 0;
var gl = void 0;
var glRenderer = void 0;
var models = void 0;
var devices = {
  'Apple A7 GPU': {
    1136: ['iPhone 5', 'iPhone 5s'],
    2048: ['iPad Air', 'iPad Mini 2', 'iPad Mini 3']
  },
  'Apple A8 GPU': {
    1136: ['iPod touch (6th generation)'],
    1334: ['iPhone 6'],
    2001: ['iPhone 6 Plus'],
    2048: ['iPad Air 2', 'iPad Mini 4']
  },
  'Apple A9 GPU': {
    1136: ['iPhone SE'],
    1334: ['iPhone 6s'],
    2001: ['iPhone 6s Plus'],
    2224: ['iPad Pro (9.7-inch)'],
    2732: ['iPad Pro (12.9-inch)']
  },
  'Apple A10 GPU': {
    1334: ['iPhone 7'],
    2001: ['iPhone 7 Plus']
  },
  'Apple A11 GPU': {
    1334: ['iPhone 8'],
    2208: ['iPhone 8 Plus'],
    2436: ['iPhone X']
  }
};

function getCanvas() {
  if (!canvas) {
    canvas = document.createElement('canvas');
  }
  return canvas;
}
function getGl() {
  if (!gl) {
    gl = getCanvas().getContext('experimental-webgl');
  }
  return gl;
}
function getScreenWidth() {
  return Math.max(screen.width, screen.height) * (window.devicePixelRatio || 1);
}
function getGlRenderer() {
  if (!glRenderer) {
    var debugInfo = getGl().getExtension('WEBGL_debug_renderer_info');
    glRenderer = !debugInfo ? 'unknown' : getGl().getParameter(debugInfo.UNMASKED_RENDERER_WEBGL);
  }
  return glRenderer;
}
function getModels() {
  if (!models) {
    var device = devices[getGlRenderer()];
    if (device === undefined) {
      models = ['unknown'];
    } else {
      models = device[getScreenWidth()];
      if (models === undefined) {
        models = ['unknown'];
      }
    }
  }
  return models;
}
function isIPhoneX() {
  if (getModels().join(' or ') === 'iPhone X') {
    return true;
  }
  return false;
}

exports.default = {
  isIPhoneX: isIPhoneX,
  getModels: getModels
};