[adapters] 增加小游戏适配部分源码

adapters/platforms/bytedance/wrapper/builtin/Audio.js

@@ -0,0 +1,205 @@
+import HTMLAudioElement from './HTMLAudioElement'
+
+const HAVE_NOTHING = 0
+const HAVE_METADATA = 1
+const HAVE_CURRENT_DATA = 2
+const HAVE_FUTURE_DATA = 3
+const HAVE_ENOUGH_DATA = 4
+
+let SN_SEED = 1
+
+const _innerAudioContextMap = {}
+
+export default class Audio extends HTMLAudioElement {
+
+  constructor(url) {
+    super()
+
+    this._$sn = SN_SEED++;
+
+    this.HAVE_NOTHING = HAVE_NOTHING
+    this.HAVE_METADATA = HAVE_METADATA
+    this.HAVE_CURRENT_DATA = HAVE_CURRENT_DATA
+    this.HAVE_FUTURE_DATA = HAVE_FUTURE_DATA
+    this.HAVE_ENOUGH_DATA = HAVE_ENOUGH_DATA
+    
+    this.readyState = HAVE_NOTHING
+
+    const innerAudioContext = tt.createInnerAudioContext()
+
+    _innerAudioContextMap[this._$sn] = innerAudioContext
+
+    this._canplayEvents = [
+      'load',
+      'loadend',
+      'canplay',
+      'canplaythrough',
+      'loadedmetadata'
+    ]
+
+    innerAudioContext.onCanplay(() => {
+      this._loaded = true
+      this.readyState = this.HAVE_CURRENT_DATA
+      this._canplayEvents.forEach((type) => {
+          this.dispatchEvent({ type: type })
+      })
+    })
+    innerAudioContext.onPlay(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'play' })
+    })
+    innerAudioContext.onPause(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'pause' })
+    })
+    innerAudioContext.onEnded(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      if (_innerAudioContextMap[this._$sn].loop === false) {
+          this.dispatchEvent({ type: 'ended' })
+      }
+      this.readyState = HAVE_ENOUGH_DATA
+    })
+    innerAudioContext.onError(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'error' })
+    })
+
+    if (url) {
+      this.src = url
+    } else {
+        this._src = ''
+    }
+
+    this._loop = innerAudioContext.loop
+    this._autoplay = innerAudioContext.autoplay
+    this._paused = innerAudioContext.paused
+    this._volume = innerAudioContext.volume
+    this._muted = false;
+  }
+  
+  addEventListener(type, listener, options = {}) {
+    super.addEventListener(type, listener, options)
+
+    type = String(type).toLowerCase()
+
+    if (this._loaded && this._canplayEvents.indexOf(type) !== -1) {
+        this.dispatchEvent({ type: type })
+    }
+  }
+
+  load() {
+    // console.warn('HTMLAudioElement.load() is not implemented.')
+    // weixin doesn't need call load() manually
+  }
+
+  play() {
+    _innerAudioContextMap[this._$sn].play()
+  }
+
+  resume() {
+    _innerAudioContextMap[this._$sn].resume()
+  }
+
+  pause() {
+    _innerAudioContextMap[this._$sn].pause()
+  }
+
+  stop() {
+      _innerAudioContextMap[this._$sn].stop()
+  }
+
+  destroy() {
+    _innerAudioContextMap[this._$sn].destroy()
+  }
+
+  canPlayType(mediaType = '') {
+    if (typeof mediaType !== 'string') {
+      return ''
+    }
+
+    if (mediaType.indexOf('audio/mpeg') > -1 || mediaType.indexOf('audio/mp4')) {
+      return 'probably'
+    }
+    return ''
+  }
+
+  get currentTime() {
+    return _innerAudioContextMap[this._$sn].currentTime
+  }
+
+  set currentTime(value) {
+    _innerAudioContextMap[this._$sn].seek(value)
+  }
+
+  get duration () {
+    return _innerAudioContextMap[this._$sn].duration
+  }
+
+  get src() {
+    return this._src
+  }
+
+  set src(value) {
+    this._src = value
+    this._loaded = false
+    this.readyState = this.HAVE_NOTHING
+
+    const innerAudioContext = _innerAudioContextMap[this._$sn]
+    
+    innerAudioContext.src = value
+  }
+
+  get loop() {
+    return this._loop
+  }
+
+  set loop(value) {
+    this._loop = value
+    _innerAudioContextMap[this._$sn].loop = value
+  }
+
+  get autoplay() {
+    return this.autoplay
+  }
+
+  set autoplay(value) {
+    this._autoplay = value
+    _innerAudioContextMap[this._$sn].autoplay = value
+  }
+
+  get paused() {
+    return this._paused;
+  }
+
+  get volume() {
+    return this._volume;
+  }
+
+  set volume(value) {
+    this._volume = value;
+    if (!this._muted) {
+      _innerAudioContextMap[this._$sn].volume = value;
+    }
+  }
+
+  get muted() {
+    return this._muted;
+  }
+
+  set muted(value) {
+    this._muted = value;
+    if (value) {
+      _innerAudioContextMap[this._$sn].volume = 0;
+    } else {
+      _innerAudioContextMap[this._$sn].volume = this._volume;
+    }
+  }
+
+  cloneNode() {
+    const newAudio = new Audio()
+    newAudio.loop = this.loop
+    newAudio.autoplay = this.autoplay
+    newAudio.src = this.src
+    return newAudio
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/Canvas.js

@@ -0,0 +1,64 @@
+// import HTMLCanvasElement from './HTMLCanvasElement'
+import { innerWidth, innerHeight } from './WindowProperties'
+
+let hasModifiedCanvasPrototype = false
+let hasInit2DContextConstructor = false
+let hasInitWebGLContextConstructor = false
+
+export default function Canvas() {
+  const canvas = tt.createCanvas()
+
+  canvas.type = 'canvas'
+
+  // canvas.__proto__.__proto__.__proto__ = new HTMLCanvasElement()
+
+  const _getContext = canvas.getContext
+
+  canvas.getBoundingClientRect = () => {
+    const ret = {
+      top: 0,
+      left: 0,
+      width: window.innerWidth,
+      height: window.innerHeight
+    }
+    return ret
+  }
+
+  canvas.style = {
+    top: '0px',
+    left: '0px',
+    width: innerWidth + 'px',
+    height: innerHeight + 'px',
+  }
+
+  canvas.addEventListener = function (type, listener, options = {}) {
+    // console.log('canvas.addEventListener', type);
+    document.addEventListener(type, listener, options);
+  }
+
+  canvas.removeEventListener = function (type, listener) {
+    // console.log('canvas.removeEventListener', type);
+    document.removeEventListener(type, listener);
+  }
+
+  canvas.dispatchEvent = function (event = {}) {
+    console.log('canvas.dispatchEvent' , event.type, event);
+    // nothing to do
+  }
+
+  Object.defineProperty(canvas, 'clientWidth', {
+    enumerable: true,
+    get: function get() {
+      return innerWidth
+    }
+  })
+
+  Object.defineProperty(canvas, 'clientHeight', {
+    enumerable: true,
+    get: function get() {
+      return innerHeight
+    }
+  })
+
+  return canvas
+}

adapters/platforms/bytedance/wrapper/builtin/Element.js

@@ -0,0 +1,10 @@
+import Node from './Node'
+
+export default class Element extends Node {
+  className = ''
+  children = []
+
+  constructor() {
+    super()
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/Event.js

@@ -0,0 +1,14 @@
+import {noop} from './util'
+
+export default class Event {
+  cancelBubble = false
+  cancelable = false
+  target = null
+  timestampe = Date.now()
+  preventDefault = noop
+  stopPropagation = noop
+
+  constructor(type) {
+    this.type = type
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/EventIniter/MouseEvent.js

@@ -0,0 +1,5 @@
+export default class MouseEvent {
+    constructor() {
+
+    }
+}

adapters/platforms/bytedance/wrapper/builtin/EventIniter/TouchEvent.js

@@ -0,0 +1,32 @@
+import { noop } from '../util/index.js'
+
+export default class TouchEvent {
+  touches = []
+  targetTouches = []
+  changedTouches = []
+  preventDefault = noop
+  stopPropagation = noop
+
+  constructor(type) {
+    this.type = type
+    this.target = window.canvas
+    this.currentTarget = window.canvas
+  }
+}
+
+function touchEventHandlerFactory(type) {
+  return (event) => {
+    const touchEvent = new TouchEvent(type)
+
+    touchEvent.touches = event.touches
+    touchEvent.targetTouches = Array.prototype.slice.call(event.touches)
+    touchEvent.changedTouches = event.changedTouches
+    touchEvent.timeStamp = event.timeStamp
+    document.dispatchEvent(touchEvent)
+  }
+}
+
+tt.onTouchStart(touchEventHandlerFactory('touchstart'))
+tt.onTouchMove(touchEventHandlerFactory('touchmove'))
+tt.onTouchEnd(touchEventHandlerFactory('touchend'))
+tt.onTouchCancel(touchEventHandlerFactory('touchcancel'))

adapters/platforms/bytedance/wrapper/builtin/EventIniter/index.js

@@ -0,0 +1,2 @@
+export TouchEvent from './TouchEvent'
+export MouseEvent from './MouseEvent'

adapters/platforms/bytedance/wrapper/builtin/EventTarget.js

@@ -0,0 +1,57 @@
+const _events = new WeakMap()
+
+export default class EventTarget {
+  constructor() {
+    _events.set(this, {})
+  }
+
+  addEventListener(type, listener, options = {}) {
+    let events = _events.get(this)
+
+    if (!events) {
+      events = {}
+      _events.set(this, events)
+    }
+    if (!events[type]) {
+      events[type] = []
+    }
+    events[type].push(listener)
+
+    if (options.capture) {
+      // console.warn('EventTarget.addEventListener: options.capture is not implemented.')
+    }
+    if (options.once) {
+      // console.warn('EventTarget.addEventListener: options.once is not implemented.')
+    }
+    if (options.passive) {
+      // console.warn('EventTarget.addEventListener: options.passive is not implemented.')
+    }
+  }
+
+  removeEventListener(type, listener) {
+    const events = _events.get(this)
+
+    if (events) {
+      const listeners = events[type]
+
+      if (listeners && listeners.length > 0) {
+          for (let i = listeners.length; i--; i > 0) {
+              if (listeners[i] === listener) {
+                  listeners.splice(i, 1)
+                  break
+              }
+          }
+      }
+    }
+  }
+
+  dispatchEvent(event = {}) {
+    const listeners = _events.get(this)[event.type]
+
+    if (listeners) {
+      for (let i = 0; i < listeners.length; i++) {
+        listeners[i](event)
+      }
+    }
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/FileReader.js

@@ -0,0 +1,7 @@
+/*
+ * TODO 使用 tt.readFile 来封装 FileReader
+ */
+export default class FileReader {
+  construct() {
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/HTMLAudioElement.js

@@ -0,0 +1,7 @@
+import HTMLMediaElement from './HTMLMediaElement'
+
+export default class HTMLAudioElement extends HTMLMediaElement {
+  constructor() {
+    super('audio')
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/HTMLCanvasElement.js

@@ -0,0 +1,20 @@
+// import HTMLElement from './HTMLElement';
+
+// export default class HTMLCanvasElement extends HTMLElement
+// {
+//     constructor(){
+//         super('canvas')
+//     }
+// };
+
+import Canvas from './Canvas'
+import HTMLElement from './HTMLElement'
+
+GameGlobal.screencanvas = GameGlobal.screencanvas || new Canvas();
+const canvas = GameGlobal.screencanvas;
+
+const canvasConstructor = canvas.constructor;
+
+// canvasConstructor.__proto__.__proto__ = new HTMLElement();
+
+export default canvasConstructor;

adapters/platforms/bytedance/wrapper/builtin/HTMLElement.js

@@ -0,0 +1,54 @@
+import Element from './Element'
+import { noop } from './util/index.js'
+import { innerWidth, innerHeight } from './WindowProperties'
+
+export default class HTMLElement extends Element {
+  className = ''
+  childern = []
+  style = {
+    width: `${innerWidth}px`,
+    height: `${innerHeight}px`
+  }
+
+  insertBefore = noop
+
+  innerHTML = ''
+
+  constructor(tagName = '') {
+    super()
+    this.tagName = tagName.toUpperCase()
+  }
+
+  setAttribute(name, value) {
+    this[name] = value
+  }
+
+  getAttribute(name) {
+    return this[name]
+  }
+
+  get clientWidth() {
+    const ret = parseInt(this.style.fontSize, 10) * this.innerHTML.length
+
+    return Number.isNaN(ret) ? 0 : ret
+  }
+
+  get clientHeight() {
+    const ret = parseInt(this.style.fontSize, 10)
+
+    return Number.isNaN(ret) ? 0 : ret
+  }
+
+  getBoundingClientRect() {
+    return {
+      top: 0,
+      left: 0,
+      width: innerWidth,
+      height: innerHeight
+    }
+  }
+
+  focus() {
+
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/HTMLImageElement.js

@@ -0,0 +1,16 @@
+// import HTMLElement from './HTMLElement';
+
+// export default class HTMLImageElement extends HTMLElement
+// {
+//     constructor(){
+//         super('img')
+//     }
+// };
+
+import HTMLElement from './HTMLElement'
+
+const imageConstructor = tt.createImage().constructor;
+
+// imageConstructor.__proto__.__proto__ = new HTMLElement();
+
+export default imageConstructor;

adapters/platforms/bytedance/wrapper/builtin/HTMLMediaElement.js

@@ -0,0 +1,25 @@
+import HTMLElement from './HTMLElement'
+
+export default class HTMLMediaElement extends HTMLElement {
+  constructor(type) {
+    super(type)
+  }
+
+  addTextTrack() {
+  }
+
+  captureStream() {
+  }
+
+  fastSeek() {
+  }
+
+  load() {
+  }
+
+  pause() {
+  }
+
+  play() {
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/HTMLVideoElement.js

@@ -0,0 +1,8 @@
+import HTMLMediaElement from './HTMLMediaElement';
+
+export default class HTMLVideoElement extends HTMLMediaElement
+{
+    constructor(){
+        super('video')
+    }
+};

adapters/platforms/bytedance/wrapper/builtin/Image.js

@@ -0,0 +1,9 @@
+import HTMLImageElement from './HTMLImageElement'
+
+export default function() {
+    const image = tt.createImage();
+
+    // image.__proto__.__proto__.__proto__ = new HTMLImageElement();
+
+    return image;
+};

adapters/platforms/bytedance/wrapper/builtin/ImageBitmap.js

@@ -0,0 +1,5 @@
+export default class ImageBitmap {
+    constructor() {
+        // TODO
+    }
+}

adapters/platforms/bytedance/wrapper/builtin/Node.js

@@ -0,0 +1,34 @@
+import EventTarget from './EventTarget.js'
+
+export default class Node extends EventTarget {
+  constructor() {
+    super()
+  }
+
+  childNodes = []
+
+  appendChild(node) {
+    this.childNodes.push(node)
+    // if (node instanceof Node) {
+    //   this.childNodes.push(node)
+    // } else {
+    //   throw new TypeError('Failed to executed \'appendChild\' on \'Node\': parameter 1 is not of type \'Node\'.')
+    // }
+  }
+
+  cloneNode() {
+    const copyNode = Object.create(this)
+
+    Object.assign(copyNode, this)
+    return copyNode
+  }
+
+  removeChild(node) {
+    const index = this.childNodes.findIndex((child) => child === node)
+
+    if (index > -1) {
+      return this.childNodes.splice(index, 1)
+    }
+    return null
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/WebGLRenderingContext.js

@@ -0,0 +1,5 @@
+export default class WebGLRenderingContext {
+    constructor() {
+        // TODO
+    }
+}

adapters/platforms/bytedance/wrapper/builtin/WebSocket.js

@@ -0,0 +1,87 @@
+const _socketTask = new WeakMap()
+
+export default class WebSocket {
+  static CONNECTING = 0 // The connection is not yet open.
+  static OPEN = 1 // The connection is open and ready to communicate.
+  static CLOSING = 2 // The connection is in the process of closing.
+  static CLOSED = 3 // The connection is closed or couldn't be opened.
+
+  binaryType = '' // TODO 更新 binaryType
+  bufferedAmount = 0 // TODO 更新 bufferedAmount
+  extensions = ''
+
+  onclose = null
+  onerror = null
+  onmessage = null
+  onopen = null
+
+  protocol = '' // TODO 小程序内目前获取不到，实际上需要根据服务器选择的 sub-protocol 返回
+  readyState = 3
+
+  constructor(url, protocols = []) {
+    if (typeof url !== 'string' || !(/(^ws:\/\/)|(^wss:\/\/)/).test(url)) {
+      throw new TypeError(`Failed to construct 'WebSocket': The URL '${url}' is invalid`)
+    }
+
+    this.url = url
+    this.readyState = WebSocket.CONNECTING
+
+    const socketTask = tt.connectSocket({
+      url,
+      protocols: Array.isArray(protocols) ? protocols : [protocols],
+      tcpNoDelay: true
+    })
+
+    _socketTask.set(this, socketTask)
+
+    socketTask.onClose((res) => {
+      this.readyState = WebSocket.CLOSED
+      if (typeof this.onclose === 'function') {
+        this.onclose(res)
+      }
+    })
+
+    socketTask.onMessage((res) => {
+      if (typeof this.onmessage === 'function') {
+        this.onmessage(res)
+      }
+    })
+
+    socketTask.onOpen(() => {
+      this.readyState = WebSocket.OPEN
+      if (typeof this.onopen === 'function') {
+        this.onopen()
+      }
+    })
+
+    socketTask.onError((res) => {
+      if (typeof this.onerror === 'function') {
+        this.onerror(new Error(res.errMsg))
+      }
+    })
+
+    return this
+  }
+
+  close(code, reason) {
+    this.readyState = WebSocket.CLOSING
+    const socketTask = _socketTask.get(this)
+
+    socketTask.close({
+      code,
+      reason
+    })
+  }
+
+  send(data) {
+    if (typeof data !== 'string' && !(data instanceof ArrayBuffer) && !ArrayBuffer.isView(data)) {
+      throw new TypeError(`Failed to send message: The data ${data} is invalid`)
+    }
+
+    const socketTask = _socketTask.get(this)
+
+    socketTask.send({
+      data
+    })
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/WindowProperties.js

@@ -0,0 +1,21 @@
+const { screenWidth, screenHeight, devicePixelRatio } = tt.getSystemInfoSync()
+
+export const innerWidth = screenWidth
+export const innerHeight = screenHeight
+export { devicePixelRatio }
+export const screen = {
+  width: screenWidth,
+  height: screenHeight,
+  availWidth: innerWidth,
+  availHeight: innerHeight,
+  availLeft: 0,
+  availTop: 0,
+}
+
+export const performance = {
+  now: Date.now
+};
+
+export const ontouchstart = null;
+export const ontouchmove = null;
+export const ontouchend = null;

adapters/platforms/bytedance/wrapper/builtin/Worker.js

@@ -0,0 +1,5 @@
+export default function(file) {
+    const worker = tt.createWorker(file);
+
+    return worker;
+};

adapters/platforms/bytedance/wrapper/builtin/XMLHttpRequest.js

@@ -0,0 +1,170 @@
+import EventTarget from './EventTarget.js'
+
+const _url = new WeakMap()
+const _method = new WeakMap()
+const _requestHeader = new WeakMap()
+const _responseHeader = new WeakMap()
+const _requestTask = new WeakMap()
+
+function _triggerEvent(type, ...args) {
+  if (typeof this[`on${type}`] === 'function') {
+    this[`on${type}`].apply(this, args)
+  }
+}
+
+function _changeReadyState(readyState) {
+  this.readyState = readyState
+  _triggerEvent.call(this, 'readystatechange')
+}
+
+export default class XMLHttpRequest extends EventTarget {
+  // TODO 没法模拟 HEADERS_RECEIVED 和 LOADING 两个状态
+  static UNSEND = 0
+  static OPENED = 1
+  static HEADERS_RECEIVED = 2
+  static LOADING = 3
+  static DONE = 4
+
+  /*
+   * TODO 这一批事件应该是在 XMLHttpRequestEventTarget.prototype 上面的
+   */
+  onabort = null
+  onerror = null
+  onload = null
+  onloadstart = null
+  onprogress = null
+  ontimeout = null
+  onloadend = null
+
+  onreadystatechange = null
+  readyState = 0
+  response = null
+  responseText = null
+  responseType = ''
+  responseXML = null
+  status = 0
+  statusText = ''
+  upload = {}
+  withCredentials = false
+
+  constructor() {
+    super();
+
+    _requestHeader.set(this, {
+      'content-type': 'application/x-www-form-urlencoded'
+    })
+    _responseHeader.set(this, {})
+  }
+
+  abort() {
+    const myRequestTask =  _requestTask.get(this)
+
+    if (myRequestTask) {
+      myRequestTask.abort()
+    }
+  }
+
+  getAllResponseHeaders() {
+    const responseHeader = _responseHeader.get(this)
+
+    return Object.keys(responseHeader).map((header) => {
+      return `${header}: ${responseHeader[header]}`
+    }).join('\n')
+  }
+
+  getResponseHeader(header) {
+    return _responseHeader.get(this)[header]
+  }
+
+  open(method, url/* async, user, password 这几个参数在小程序内不支持*/) {
+    _method.set(this, method)
+    _url.set(this, url)
+    _changeReadyState.call(this, XMLHttpRequest.OPENED)
+  }
+
+  overrideMimeType() {
+  }
+
+  send(data = '') {
+    if (this.readyState !== XMLHttpRequest.OPENED) {
+      throw new Error("Failed to execute 'send' on 'XMLHttpRequest': The object's state must be OPENED.")
+    } else {
+      let myRequestTask = tt.request({
+        data,
+        url: _url.get(this),
+        method: _method.get(this),
+        header: _requestHeader.get(this),
+        dataType: 'other',
+        responseType: this.responseType === 'arraybuffer' ? 'arraybuffer' : 'text',
+        success: ({ data, statusCode, header }) => {
+          this.status = statusCode
+          _responseHeader.set(this, header)
+          _triggerEvent.call(this, 'loadstart')
+          _changeReadyState.call(this, XMLHttpRequest.HEADERS_RECEIVED)
+          _changeReadyState.call(this, XMLHttpRequest.LOADING)
+
+          switch (this.responseType) {
+            case 'json':
+              this.responseText = data;
+              try {
+                this.response = JSON.parse(data);
+              }
+              catch (e) {
+                this.response = null;
+              }
+              break;
+            case '':
+            case 'text':
+              this.responseText = this.response = data;
+              break;
+            case 'arraybuffer': 
+              this.response = data;
+              this.responseText = '';
+              var bytes = new Uint8Array(data);
+              var len = bytes.byteLength;
+
+              for (var i = 0; i < len; i++) {
+                this.responseText += String.fromCharCode(bytes[i]);
+              }
+              break;
+            default:
+              this.response = null;
+          }
+          _changeReadyState.call(this, XMLHttpRequest.DONE)
+          _triggerEvent.call(this, 'load')
+          _triggerEvent.call(this, 'loadend')
+        },
+        fail: ({ errMsg }) => {
+          // TODO 规范错误
+          if (errMsg.indexOf('abort') !== -1) {
+            _triggerEvent.call(this, 'abort')
+          } else if (errMsg.indexOf('timeout') !== -1) {
+            _triggerEvent.call(this, 'timeout')
+          } else {
+            _triggerEvent.call(this, 'error', errMsg)
+          }
+          _triggerEvent.call(this, 'loadend')
+        }
+      })
+
+      _requestTask.set(this, myRequestTask);
+    }
+  }
+
+  setRequestHeader(header, value) {
+    const myHeader = _requestHeader.get(this)
+
+    myHeader[header] = value
+    _requestHeader.set(this, myHeader)
+  }
+
+  addEventListener(type, listener) {
+      if (typeof listener === 'function') {
+          let _this = this
+          let event = { target: _this }
+          this['on' + type] = function (event) {
+              listener.call(_this, event)
+          }
+      }
+  }
+}

adapters/platforms/bytedance/wrapper/builtin/document.js

@@ -0,0 +1,127 @@
+import * as window from './window'
+import HTMLElement from './HTMLElement'
+import HTMLVideoElement from './HTMLVideoElement'
+import Image from './Image'
+import Audio from './Audio'
+import Canvas from './Canvas'
+import './EventIniter/index.js'
+
+const events = {}
+
+const document = {
+  readyState: 'complete',
+  visibilityState: 'visible',
+  documentElement: window,
+  hidden: false,
+  style: {},
+  location: window.location,
+  ontouchstart: null,
+  ontouchmove: null,
+  ontouchend: null,
+
+  head: new HTMLElement('head'),
+  body: new HTMLElement('body'),
+
+  createElement(tagName) {
+    if (tagName === 'canvas') {
+      return new Canvas()
+    } else if (tagName === 'audio') {
+      return new Audio()
+    } else if (tagName === 'img') {
+      return new Image()
+    }else if (tagName === 'video') {
+      return new HTMLVideoElement()
+    }
+
+    return new HTMLElement(tagName)
+  },
+
+  createElementNS(nameSpace, tagName) {
+    return this.createElement(tagName);
+  },
+
+  getElementById(id) {
+    if (id === window.canvas.id) {
+      return window.canvas
+    }
+    return null
+  },
+
+  getElementsByTagName(tagName) {
+    if (tagName === 'head') {
+      return [document.head]
+    } else if (tagName === 'body') {
+      return [document.body]
+    } else if (tagName === 'canvas') {
+      return [window.canvas]
+    }
+    return []
+  },
+
+  getElementsByName(tagName) {
+    if (tagName === 'head') {
+      return [document.head]
+    } else if (tagName === 'body') {
+      return [document.body]
+    } else if (tagName === 'canvas') {
+      return [window.canvas]
+    }
+    return []
+  },
+
+  querySelector(query) {
+    if (query === 'head') {
+      return document.head
+    } else if (query === 'body') {
+      return document.body
+    } else if (query === 'canvas') {
+      return window.canvas
+    } else if (query === `#${window.canvas.id}`) {
+      return window.canvas
+    }
+    return null
+  },
+
+  querySelectorAll(query) {
+    if (query === 'head') {
+      return [document.head]
+    } else if (query === 'body') {
+      return [document.body]
+    } else if (query === 'canvas') {
+      return [window.canvas]
+    }
+    return []
+  },
+
+  addEventListener(type, listener) {
+    if (!events[type]) {
+      events[type] = []
+    }
+    events[type].push(listener)
+  },
+
+  removeEventListener(type, listener) {
+    const listeners = events[type]
+
+    if (listeners && listeners.length > 0) {
+      for (let i = listeners.length; i--; i > 0) {
+        if (listeners[i] === listener) {
+          listeners.splice(i, 1)
+          break
+        }
+      }
+    }
+  },
+
+  dispatchEvent(event) {
+    const listeners = events[event.type]
+
+    if (listeners) {
+      for (let i = 0; i < listeners.length; i++) {
+        listeners[i](event)
+      }
+    }
+  }
+}
+
+export default document

adapters/platforms/bytedance/wrapper/builtin/index.js

@@ -0,0 +1,55 @@
+import * as _window from './window'
+import document from './document'
+import HTMLElement from './HTMLElement'
+
+const global = GameGlobal
+
+function inject () {
+  _window.document = document;
+
+  _window.addEventListener = (type, listener) => {
+    _window.document.addEventListener(type, listener)
+  }
+  _window.removeEventListener = (type, listener) => {
+    _window.document.removeEventListener(type, listener)
+  }
+  _window.dispatchEvent = _window.document.dispatchEvent;
+
+  const { platform } = tt.getSystemInfoSync()
+
+  // 开发者工具无法重定义 window
+  if (typeof __devtoolssubcontext === 'undefined' && platform === 'devtools') {
+    for (const key in _window) {
+      const descriptor = Object.getOwnPropertyDescriptor(global, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(window, key, {
+          value: _window[key]
+        })
+      }
+    }
+
+    for (const key in _window.document) {
+      const descriptor = Object.getOwnPropertyDescriptor(global.document, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(global.document, key, {
+          value: _window.document[key]
+        })
+      }
+    }
+    window.parent = window
+  } else {
+    for (const key in _window) {
+      global[key] = _window[key]
+    }
+    global.window = _window
+    window = global
+    window.top = window.parent = window
+  }
+}
+
+if (!GameGlobal.__isAdapterInjected) {
+  GameGlobal.__isAdapterInjected = true
+  inject()
+}

adapters/platforms/bytedance/wrapper/builtin/localStorage.js

@@ -0,0 +1,31 @@
+const localStorage = {
+  get length() {
+    const { keys } = tt.getStorageInfoSync()
+
+    return keys.length
+  },
+
+  key(n) {
+    const { keys } = tt.getStorageInfoSync()
+
+    return keys[n]
+  },
+
+  getItem(key) {
+    return tt.getStorageSync(key)
+  },
+
+  setItem(key, value) {
+    return tt.setStorageSync(key, value)
+  },
+
+  removeItem(key) {
+    tt.removeStorageSync(key)
+  },
+
+  clear() {
+    tt.clearStorageSync()
+  }
+}
+
+export default localStorage

adapters/platforms/bytedance/wrapper/builtin/location.js

@@ -0,0 +1,7 @@
+const location = {
+  href: 'game.js',
+  reload() {
+  }
+}
+
+export default location

adapters/platforms/bytedance/wrapper/builtin/navigator.js

@@ -0,0 +1,38 @@
+import { noop } from './util/index.js'
+
+// TODO 需要 tt.getSystemInfo 获取更详细信息
+const systemInfo = tt.getSystemInfoSync()
+console.log(systemInfo)
+
+const system = systemInfo.system;
+const platform = systemInfo.platform;
+const language = systemInfo.language;
+const version = systemInfo.version;
+
+const android = system.toLowerCase().indexOf('android') !== -1;
+
+const uaDesc = android ? `Android; CPU ${system}` : `iPhone; CPU iPhone OS ${system} like Mac OS X`;
+const ua = `Mozilla/5.0 (${uaDesc}) AppleWebKit/603.1.30 (KHTML, like Gecko) Mobile/14E8301 MicroMessenger/${version} MiniGame NetType/WIFI Language/${language}`;
+
+const navigator = {
+  platform,
+  language: language,
+  appVersion: `5.0 (${uaDesc}) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1`,
+  userAgent: ua,
+  onLine: true, // TODO 用 tt.getNetworkStateChange 和 tt.onNetworkStateChange 来返回真实的状态
+
+  // TODO 用 tt.getLocation 来封装 geolocation
+  geolocation: {
+    getCurrentPosition: noop,
+    watchPosition: noop,
+    clearWatch: noop
+  }
+}
+
+if (tt.onNetworkStatusChange) {
+    tt.onNetworkStatusChange(function(event){
+        navigator.onLine = event.isConnected;
+    });
+}
+
+export default navigator

adapters/platforms/bytedance/wrapper/builtin/util/index.js

@@ -0,0 +1 @@
+export function noop() {}

adapters/platforms/bytedance/wrapper/builtin/window.js

@@ -0,0 +1,41 @@
+import Canvas from './Canvas'
+
+export navigator from './navigator'
+export XMLHttpRequest from './XMLHttpRequest'
+export WebSocket from './WebSocket'
+export Image from './Image'
+export ImageBitmap from './ImageBitmap'
+export Audio from './Audio'
+export FileReader from './FileReader'
+export HTMLElement from './HTMLElement'
+export HTMLImageElement from './HTMLImageElement'
+export HTMLCanvasElement from './HTMLCanvasElement'
+export HTMLMediaElement from './HTMLMediaElement'
+export HTMLAudioElement from './HTMLAudioElement'
+export HTMLVideoElement from './HTMLVideoElement'
+export WebGLRenderingContext from './WebGLRenderingContext'
+export { TouchEvent, MouseEvent, DeviceMotionEvent } from './EventIniter/index.js'
+export localStorage from './localStorage'
+export location from './location'
+export * from './WindowProperties'
+
+// 暴露全局的 canvas
+GameGlobal.screencanvas = GameGlobal.screencanvas || new Canvas()
+const canvas = GameGlobal.screencanvas;
+
+const {
+    setTimeout,
+    setInterval,
+    clearTimeout,
+    clearInterval,
+    requestAnimationFrame,
+    cancelAnimationFrame,
+} = GameGlobal;
+
+export { canvas }
+export { setTimeout }
+export { setInterval }
+export { clearTimeout }
+export { clearInterval }
+export { requestAnimationFrame }
+export { cancelAnimationFrame }

adapters/platforms/bytedance/wrapper/engine/Label.js

@@ -0,0 +1,59 @@
+if (cc && cc.Label) {
+    const gfx = cc.gfx;
+    const Label = cc.Label;
+    const globalAdapter = __globalAdapter;
+    // shared label canvas
+    if (!globalAdapter.isSubContext) {
+        let _sharedLabelCanvas = document.createElement('canvas');
+        let _sharedLabelCanvasCtx = _sharedLabelCanvas.getContext('2d');
+        let canvasData = {
+            canvas: _sharedLabelCanvas,
+            context: _sharedLabelCanvasCtx,
+        };
+        cc.game.on(cc.game.EVENT_ENGINE_INITED, function () {
+            Object.assign(Label._canvasPool, {
+                get() {
+                    return canvasData;
+                },
+    
+                put() {
+                    // do nothing
+                }
+            });
+        });
+    }
+
+    // need to fix ttf font black border at the sdk verion lower than 2.0.0
+    let sysInfo = tt.getSystemInfoSync();
+    if (Number.parseInt(sysInfo.SDKVersion[0]) < 2) {
+        let _originUpdateMaterial = Label.prototype._updateMaterialWebgl;
+        Object.assign(Label.prototype, {
+            _updateMaterialWebgl () {
+                _originUpdateMaterial.call(this);
+                // only fix when srcBlendFactor is SRC_ALPHA
+                if (this.srcBlendFactor !== cc.macro.BlendFactor.SRC_ALPHA
+                    || globalAdapter.isDevTool || this.font instanceof cc.BitmapFont) {
+                    return;
+                }
+    
+                // init blend factor
+                let material = this._materials[0];
+                if (!this._frame || !material) {
+                    return;
+                }
+                let dstBlendFactor = this.dstBlendFactor;
+                // Premultiplied alpha on runtime when sdk verion is lower than 2.0.0
+                let srcBlendFactor = cc.macro.BlendFactor.ONE;
+    
+                // set blend func
+                material.effect.setBlend(
+                    true,
+                    gfx.BLEND_FUNC_ADD,
+                    srcBlendFactor, dstBlendFactor,
+                    gfx.BLEND_FUNC_ADD,
+                    srcBlendFactor, dstBlendFactor,
+                );
+            },
+        });
+    }
+}

adapters/platforms/bytedance/wrapper/engine/index.js

@@ -0,0 +1 @@
+require('./Label');

adapters/platforms/bytedance/wrapper/fs-utils.js

@@ -0,0 +1,272 @@
+/****************************************************************************
+ Copyright (c) 2017-2019 Xiamen Yaji Software Co., Ltd.
+
+ https://www.cocos.com/
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of fsUtils software and associated engine source code (the "Software"), a limited,
+  worldwide, royalty-free, non-assignable, revocable and non-exclusive license
+ to use Cocos Creator solely to develop games on your target platforms. You shall
+  not use Cocos Creator software for developing other software or tools that's
+  used for developing games. You are not granted to publish, distribute,
+  sublicense, and/or sell copies of Cocos Creator.
+
+ The software or tools in fsUtils License Agreement are licensed, not sold.
+ Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+var fs = tt.getFileSystemManager ? tt.getFileSystemManager() : null;
+var outOfStorageRegExp = /size.*limit.*exceeded/;
+
+var fsUtils = {
+
+    fs,
+
+    isOutOfStorage (errMsg) {
+        return outOfStorageRegExp.test(errMsg);
+    },
+
+    getUserDataPath () {
+        return tt.env.USER_DATA_PATH;
+    },
+
+    checkFsValid () {
+        if (!fs) {
+            console.warn('can not get the file system!');
+            return false;
+        }
+        return true;
+    },
+
+    deleteFile (filePath, onComplete) {
+        fs.unlink({
+            filePath: filePath,
+            success: function () {
+                onComplete && onComplete(null);
+            },
+            fail: function (res) {
+                console.warn(`Delete file failed: path: ${filePath} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg));
+            }
+        });
+    },
+
+    downloadFile (remoteUrl, filePath, header, onProgress, onComplete) {
+        var options = {
+            url: remoteUrl,
+            success: function (res) {
+                if (res.statusCode === 200) {
+                    onComplete && onComplete(null, res.tempFilePath || res.filePath);
+                }
+                else {
+                    if (res.filePath) {
+                        fsUtils.deleteFile(res.filePath);
+                    }
+                    console.warn(`Download file failed: path: ${remoteUrl} message: ${res.statusCode}`);
+                    onComplete && onComplete(new Error(res.statusCode), null);
+                }
+            },
+            fail: function (res) {
+                console.warn(`Download file failed: path: ${remoteUrl} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg), null);
+            }
+        }
+        if (filePath) options.filePath = filePath;
+        if (header) options.header = header;
+        var task = tt.downloadFile(options);
+        onProgress && task.onProgressUpdate(onProgress);
+    },
+
+    saveFile (srcPath, destPath, onComplete) {
+        tt.saveFile({
+            tempFilePath: srcPath,
+            filePath: destPath,
+            success: function (res) {
+                onComplete && onComplete(null);
+            },
+            fail: function (res) {
+                console.warn(`Save file failed: path: ${srcPath} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg));
+            }
+        });
+    },
+
+    copyFile (srcPath, destPath, onComplete) {
+        fs.copyFile({
+            srcPath: srcPath,
+            destPath: destPath,
+            success: function () {
+                onComplete && onComplete(null);
+            },
+            fail: function (res) {
+                console.warn(`Copy file failed: path: ${srcPath} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg));
+            }
+        });
+    },
+
+    writeFile (path, data, encoding, onComplete) {
+        fs.writeFile({
+            filePath: path,
+            encoding: encoding,
+            data: data,
+            success: function () {
+                onComplete && onComplete(null);
+            },
+            fail: function (res) {
+                console.warn(`Write file failed: path: ${path} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg));
+            }
+        });
+    },
+
+    writeFileSync (path, data, encoding) {
+        try {
+            fs.writeFileSync(path, data, encoding);
+            return null;
+        }
+        catch (e) {
+            console.warn(`Write file failed: path: ${path} message: ${e.message}`);
+            return new Error(e.message);
+        }
+    },
+
+    readFile (filePath, encoding, onComplete) {
+        fs.readFile({
+            filePath: filePath,
+            encoding: encoding,
+            success: function (res) {
+                onComplete && onComplete(null, res.data);
+            },
+            fail: function (res) {
+                console.warn(`Read file failed: path: ${filePath} message: ${res.errMsg}`);
+                onComplete && onComplete (new Error(res.errMsg), null);
+            }
+        });
+    },
+
+    readDir (filePath, onComplete) {
+        fs.readdir({
+            dirPath: filePath,
+            success: function (res) {
+                onComplete && onComplete(null, res.files);
+            },
+            fail: function (res) {
+                console.warn(`Read directory failed: path: ${filePath} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(res.errMsg), null);
+            }
+        });
+    },
+
+    readText (filePath, onComplete) {
+        fsUtils.readFile(filePath, 'utf8', onComplete);
+    },
+
+    readArrayBuffer (filePath, onComplete) {
+        fsUtils.readFile(filePath, '', onComplete);
+    },
+
+    readJson (filePath, onComplete) {
+        fsUtils.readFile(filePath, 'utf8', function (err, text) {
+            var out = null;
+            if (!err) {
+                try {
+                    out = JSON.parse(text);
+                }
+                catch (e) {
+                    console.warn(`Read json failed: path: ${filePath} message: ${e.message}`);
+                    err = new Error(e.message);
+                }
+            }
+            onComplete && onComplete(err, out);
+        });
+    },
+
+    readJsonSync (path) {
+        try {
+            var str = fs.readFileSync(path, 'utf8');
+            return JSON.parse(str);
+        }
+        catch (e) {
+            console.warn(`Read json failed: path: ${path} message: ${e.message}`);
+            return new Error(e.message);
+        }
+    },
+
+    makeDirSync (path, recursive) {
+        try {
+            fs.mkdirSync(path, recursive);
+            return null;
+        }
+        catch (e) {
+            console.warn(`Make directory failed: path: ${path} message: ${e.message}`);
+            return new Error(e.message);
+        }
+    },
+
+    rmdirSync (dirPath, recursive) {
+        try {
+            fs.rmdirSync(dirPath, recursive);
+        }
+        catch (e) {
+            console.warn(`rm directory failed: path: ${dirPath} message: ${e.message}`);
+            return new Error(e.message);
+        }
+    },
+
+    exists (filePath, onComplete) {
+        fs.access({
+            path: filePath,
+            success: function () {
+                onComplete && onComplete(true);
+            },
+            fail: function () {
+                onComplete && onComplete(false);
+            }
+        });
+    },
+
+    loadSubpackage (name, onProgress, onComplete) {
+        if (!tt.loadSubpackage) {
+            console.warn('tt.loadSubpackage not supported, fallback to loading bundle');
+            require(`./subpackages/${name}/game.js`);
+            onComplete && onComplete();
+            return;
+        }
+        var task = tt.loadSubpackage({
+            name: name,
+            success: function () {
+                onComplete && onComplete();
+            },
+            fail: function (res) {
+                console.warn(`Load Subpackage failed: path: ${name} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error(`Failed to load subpackage ${name}: ${res.errMsg}`));
+            }
+        });
+        onProgress && task.onProgressUpdate(onProgress);
+        return task;
+    },
+
+    unzip (zipFilePath, targetPath, onComplete) {
+        fs.unzip({
+            zipFilePath,
+            targetPath,
+            success () {
+                onComplete && onComplete(null);
+            },
+            fail (res) {
+                console.warn(`unzip failed: path: ${zipFilePath} message: ${res.errMsg}`);
+                onComplete && onComplete(new Error('unzip failed: ' + res.errMsg));
+            },
+        })
+    },
+};
+
+window.fsUtils = module.exports = fsUtils;

adapters/platforms/bytedance/wrapper/sub-context-adapter.js

@@ -0,0 +1,100 @@
+// Ensure recieving message from main context before engine being inited
+let isEngineReady = false;
+const game = cc.game;
+game.once(game.EVENT_ENGINE_INITED, function () {
+    isEngineReady = true;
+});
+
+var viewportInMain = {
+    x: 0,
+    y: 0,
+    width: 0,
+    height: 0
+};
+
+// Touch conversion
+cc.view.convertToLocationInView = function (tx, ty, relatedPos, out) {
+    var result = out || cc.v2();
+    var x = this._devicePixelRatio * (tx - relatedPos.left);
+    var y = this._devicePixelRatio * (relatedPos.top + relatedPos.height - ty);
+    // Move to real viewport area
+    x = (x - viewportInMain.x) * this._viewportRect.width / viewportInMain.width;
+    y = (y - viewportInMain.y) * this._viewportRect.height / viewportInMain.height;
+    if (this._isRotated) {
+        result.x = this._viewportRect.width - y;
+        result.y = x;
+    }
+    else {
+        result.x = x;
+        result.y = y;
+    }
+    return result;
+};
+
+// In sub context, run main loop after subContextView component get enabled.
+game._prepareFinished = function (cb) {
+    this._prepared = true;
+
+    // Init engine
+    this._initEngine();
+    cc.assetManager.builtins.init(() => {
+        // Log engine version
+        console.log('Cocos Creator v' + cc.ENGINE_VERSION);
+
+        this._setAnimFrame();
+        
+        this.emit(this.EVENT_GAME_INITED);
+
+        if (cb) cb();
+    });
+};
+
+tt.onMessage(function (data) {
+    if (data.fromEngine) {
+        if (data.event === 'boot') {
+            game._banRunningMainLoop = false;
+            if (game._firstSceneLaunched) {
+                game._runMainLoop();
+            }
+        }
+        else if (data.event === 'viewport') {
+            viewportInMain.x = data.x;
+            viewportInMain.y = data.y;
+            viewportInMain.width = data.width;
+            viewportInMain.height = data.height;
+        }
+        else if (data.event === 'resize') {
+            window.dispatchEvent({type: 'resize'});
+        }
+        else if (isEngineReady) {
+            if (data.event === 'mainLoop') {
+                if (data.value) {
+                    game.resume();
+                }
+                else {
+                    game.pause();
+                }
+            }
+            else if (data.event === 'frameRate') {
+                game.setFrameRate(data.value);
+            }
+            else if (data.event === 'step') {
+                game.step();
+            }
+        }
+    }
+});
+
+// Canvas component adaptation
+
+cc.Canvas.prototype.update = function () {
+    if (this._width !== game.canvas.width || this._height !== game.canvas.height) {
+        this.applySettings();
+    }
+};
+let originalApplySettings = cc.Canvas.prototype.applySettings;
+cc.Canvas.prototype.applySettings = function () {
+    originalApplySettings.call(this);
+    this._width = game.canvas.width;
+    this._height = game.canvas.height;
+};

adapters/platforms/bytedance/wrapper/systemInfo.js

@@ -0,0 +1,58 @@
+const adapter = window.__globalAdapter;
+const env = tt.getSystemInfoSync();
+let adaptSysFunc = adapter.adaptSys;
+
+Object.assign(adapter, {
+    // Extend adaptSys interface
+    adaptSys (sys) {
+        adaptSysFunc.call(this, sys);
+        // TODO: add mac platform
+        if (env.platform === 'windows') {
+            sys.isMobile = false;
+            sys.os = sys.OS_WINDOWS;
+        }
+        else if (adapter.isDevTool) {
+            let system = env.system.toLowerCase();
+            if (system.indexOf('android') > -1) {
+                sys.os = sys.OS_ANDROID;
+            }
+
+            else if (system.indexOf('ios') > -1) {
+                sys.os = sys.OS_IOS;
+            }
+        }
+        if (!tt.getOpenDataContext) {
+            sys.platform = sys.BYTEDANCE_GAME_SUB;
+        }
+        else {
+            sys.platform = sys.BYTEDANCE_GAME;
+        }
+
+        // sys.glExtension = function (name) {
+        //     if (name === 'OES_texture_float') {
+        //         return false;
+        //     }
+        //     return !!cc.renderer.device.ext(name);
+        // };
+
+        // move to common if other platforms support
+        sys.getSafeAreaRect = function () {
+            let view = cc.view;
+            let safeArea = adapter.getSafeArea();
+            let screenSize = view.getFrameSize(); // Get leftBottom and rightTop point in UI coordinates
+            let leftBottom = new cc.Vec2(safeArea.left, safeArea.bottom);
+            let rightTop = new cc.Vec2(safeArea.right, safeArea.top); // Returns the real location in view.
+            let relatedPos = {
+                left: 0,
+                top: 0,
+                width: screenSize.width,
+                height: screenSize.height
+            };
+            view.convertToLocationInView(leftBottom.x, leftBottom.y, relatedPos, leftBottom);
+            view.convertToLocationInView(rightTop.x, rightTop.y, relatedPos, rightTop); // convert view point to design resolution size
+            view._convertPointWithScale(leftBottom);
+            view._convertPointWithScale(rightTop);
+            return cc.rect(leftBottom.x, leftBottom.y, rightTop.x - leftBottom.x, rightTop.y - leftBottom.y);
+        };
+    },
+});

adapters/platforms/bytedance/wrapper/unify.js

@@ -0,0 +1,148 @@
+const utils = require('../../../common/utils');
+
+if (window.__globalAdapter) {
+    let globalAdapter = window.__globalAdapter;
+    // SystemInfo
+    let systemInfo;
+    let systemInfoCached = false;
+    function refreshSystemInfo(delay){
+        systemInfo = tt.getSystemInfoSync();
+        // refresh systemInfo, some seconds later.
+        setTimeout(function () {
+            systemInfo = tt.getSystemInfoSync();
+            systemInfoCached = true
+        }, delay || 5000);
+    }
+    refreshSystemInfo();
+
+    function isLandscape () {
+        return systemInfo.deviceOrientation ? (systemInfo.deviceOrientation === "landscape"): (systemInfo.screenWidth > systemInfo.screenHeight);
+    }
+
+    globalAdapter.isSubContext = (tt.getOpenDataContext === undefined);
+    globalAdapter.isDevTool = (systemInfo.platform === 'devtools');
+    utils.cloneMethod(globalAdapter, tt, 'getSystemInfoSync');
+
+    // TouchEvent
+    utils.cloneMethod(globalAdapter, tt, 'onTouchStart');
+    utils.cloneMethod(globalAdapter, tt, 'onTouchMove');
+    utils.cloneMethod(globalAdapter, tt, 'onTouchEnd');
+    utils.cloneMethod(globalAdapter, tt, 'onTouchCancel');
+
+    // Audio
+    utils.cloneMethod(globalAdapter, tt, 'createInnerAudioContext');
+
+    // AudioInterruption Evnet
+    utils.cloneMethod(globalAdapter, tt, 'onAudioInterruptionEnd');
+    utils.cloneMethod(globalAdapter, tt, 'onAudioInterruptionBegin');
+
+    // Video
+    utils.cloneMethod(globalAdapter, tt, 'createVideo');
+
+    // FrameRate
+    utils.cloneMethod(globalAdapter, tt, 'setPreferredFramesPerSecond');
+
+    // Keyboard
+    utils.cloneMethod(globalAdapter, tt, 'showKeyboard');
+    utils.cloneMethod(globalAdapter, tt, 'hideKeyboard');
+    utils.cloneMethod(globalAdapter, tt, 'updateKeyboard');
+    utils.cloneMethod(globalAdapter, tt, 'onKeyboardInput');
+    utils.cloneMethod(globalAdapter, tt, 'onKeyboardConfirm');
+    utils.cloneMethod(globalAdapter, tt, 'onKeyboardComplete');
+    utils.cloneMethod(globalAdapter, tt, 'offKeyboardInput');
+    utils.cloneMethod(globalAdapter, tt, 'offKeyboardConfirm');
+    utils.cloneMethod(globalAdapter, tt, 'offKeyboardComplete');
+
+    // Message
+    utils.cloneMethod(globalAdapter, tt, 'getOpenDataContext');
+    utils.cloneMethod(globalAdapter, tt, 'onMessage');
+
+    // SharedCanvas
+    utils.cloneMethod(globalAdapter, tt, 'getSharedCanvas');
+
+    // Font
+    utils.cloneMethod(globalAdapter, tt, 'loadFont');
+
+    // hide show Event
+    utils.cloneMethod(globalAdapter, tt, 'onShow');
+    utils.cloneMethod(globalAdapter, tt, 'onHide');
+
+    // onError
+    utils.cloneMethod(globalAdapter, tt, 'onError');
+    // offError
+    utils.cloneMethod(globalAdapter, tt, 'offError');
+
+    // Accelerometer
+    let isAccelerometerInit = false;
+    let deviceOrientation = 1;
+    if (tt.onDeviceOrientationChange) {
+        tt.onDeviceOrientationChange(function (res) {
+            refreshSystemInfo();
+
+            if (res.value === 'landscape') {
+                deviceOrientation = 1;
+            }
+            else if (res.value === 'landscapeReverse') {
+                deviceOrientation = -1;
+            }
+        });
+    }
+
+    Object.assign(globalAdapter, {
+        startAccelerometer (cb) {
+            if (!isAccelerometerInit) {
+                isAccelerometerInit = true;
+                tt.onAccelerometerChange && tt.onAccelerometerChange(function (res) {
+                    let resClone = {};
+                    let x = res.x;
+                    let y = res.y;
+                    if (isLandscape()) {
+                        let tmp = x;
+                        x = -y;
+                        y = tmp;
+                    }
+
+                    resClone.x = x * deviceOrientation;
+                    resClone.y = y * deviceOrientation;
+                    resClone.z = res.z;
+                    cb && cb(resClone);
+                });
+            }
+            else {
+                tt.startAccelerometer && tt.startAccelerometer({
+                    fail (err) {
+                        console.error('start accelerometer failed', err);
+                    },
+                    // success () {},
+                    // complete () {},
+                });
+            }
+        },
+
+        stopAccelerometer () {
+            tt.stopAccelerometer && tt.stopAccelerometer({
+                fail (err) {
+                    console.error('stop accelerometer failed', err);
+                },
+                // success () {},
+                // complete () {},
+            });
+        },
+    });
+
+    // safeArea
+    // origin point on the top-left corner
+    globalAdapter.getSafeArea = function () {
+        systemInfo = systemInfoCached ? systemInfo : tt.getSystemInfoSync();
+
+        let { top, left, bottom, right, width, height } = systemInfo.safeArea;
+        // HACK: on iOS device, the orientation should mannually rotate
+        if (systemInfo.platform === 'ios' && !globalAdapter.isDevTool && isLandscape()) {
+            let tmpTop = top, tmpLeft = left, tmpBottom = bottom, tmpRight = right, tmpWidth = width, tmpHeight = height;
+            top = tmpLeft;
+            left = tmpTop;
+            right = tmpRight - tmpTop;
+        }
+        return { top, left, bottom, right, width, height };
+    }
+}