fcr-core/lib-es/room-control/whiteboard-control-v1/board-window.js

Core APIs for building online scenes

import "core-js/modules/es.array.push.js";
import "core-js/modules/esnext.function.metadata.js";
import "core-js/modules/esnext.map.delete-all.js";
import "core-js/modules/esnext.map.emplace.js";
import "core-js/modules/esnext.map.every.js";
import "core-js/modules/esnext.map.filter.js";
import "core-js/modules/esnext.map.find.js";
import "core-js/modules/esnext.map.find-key.js";
import "core-js/modules/esnext.map.includes.js";
import "core-js/modules/esnext.map.key-of.js";
import "core-js/modules/esnext.map.map-keys.js";
import "core-js/modules/esnext.map.map-values.js";
import "core-js/modules/esnext.map.merge.js";
import "core-js/modules/esnext.map.reduce.js";
import "core-js/modules/esnext.map.some.js";
import "core-js/modules/esnext.map.update.js";
import "core-js/modules/esnext.symbol.metadata.js";
let _initProto, _cleanDecs, _setToolTypeDecs, _setStrokeWidthDecs, _setStrokeColorDecs, _setTextColorDecs, _setTextSizeDecs, _setFillColorDecs, _setEraserSizeDecs, _setBackgroundColorDecs, _insertImageDecs, _insertMediaDecs, _mountDecs;
import "core-js/modules/esnext.iterator.constructor.js";
import "core-js/modules/esnext.iterator.map.js";
import "core-js/modules/web.url-search-params.delete.js";
import "core-js/modules/web.url-search-params.has.js";
import "core-js/modules/web.url-search-params.size.js";
function _applyDecs(e, t, r, n, o, a) { function i(e, t, r) { return function (n, o) { return r && r(n), e[t].call(n, o); }; } function c(e, t) { for (var r = 0; r < e.length; r++) e[r].call(t); return t; } function s(e, t, r, n) { if ("function" != typeof e && (n || void 0 !== e)) throw new TypeError(t + " must " + (r || "be") + " a function" + (n ? "" : " or undefined")); return e; } function applyDec(e, t, r, n, o, a, c, u, l, f, p, d, h) { function m(e) { if (!h(e)) throw new TypeError("Attempted to access private element on non-instance"); } var y, v = t[0], g = t[3], b = !u; if (!b) { r || Array.isArray(v) || (v = [v]); var w = {}, S = [], A = 3 === o ? "get" : 4 === o || d ? "set" : "value"; f ? (p || d ? w = { get: _setFunctionName(function () { return g(this); }, n, "get"), set: function (e) { t[4](this, e); } } : w[A] = g, p || _setFunctionName(w[A], n, 2 === o ? "" : A)) : p || (w = Object.getOwnPropertyDescriptor(e, n)); } for (var P = e, j = v.length - 1; j >= 0; j -= r ? 2 : 1) { var D = v[j], E = r ? v[j - 1] : void 0, I = {}, O = { kind: ["field", "accessor", "method", "getter", "setter", "class"][o], name: n, metadata: a, addInitializer: function (e, t) { if (e.v) throw Error("attempted to call addInitializer after decoration was finished"); s(t, "An initializer", "be", !0), c.push(t); }.bind(null, I) }; try { if (b) (y = s(D.call(E, P, O), "class decorators", "return")) && (P = y);else { var k, F; O.static = l, O.private = f, f ? 2 === o ? k = function (e) { return m(e), w.value; } : (o < 4 && (k = i(w, "get", m)), 3 !== o && (F = i(w, "set", m))) : (k = function (e) { return e[n]; }, (o < 2 || 4 === o) && (F = function (e, t) { e[n] = t; })); var N = O.access = { has: f ? h.bind() : function (e) { return n in e; } }; if (k && (N.get = k), F && (N.set = F), P = D.call(E, d ? { get: w.get, set: w.set } : w[A], O), d) { if ("object" == typeof P && P) (y = s(P.get, "accessor.get")) && (w.get = y), (y = s(P.set, "accessor.set")) && (w.set = y), (y = s(P.init, "accessor.init")) && S.push(y);else if (void 0 !== P) throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0"); } else s(P, (p ? "field" : "method") + " decorators", "return") && (p ? S.push(P) : w[A] = P); } } finally { I.v = !0; } } return (p || d) && u.push(function (e, t) { for (var r = S.length - 1; r >= 0; r--) t = S[r].call(e, t); return t; }), p || b || (f ? d ? u.push(i(w, "get"), i(w, "set")) : u.push(2 === o ? w[A] : i.call.bind(w[A])) : Object.defineProperty(e, n, w)), P; } function u(e, t) { return Object.defineProperty(e, Symbol.metadata || Symbol.for("Symbol.metadata"), { configurable: !0, enumerable: !0, value: t }); } if (arguments.length >= 6) var l = a[Symbol.metadata || Symbol.for("Symbol.metadata")]; var f = Object.create(null == l ? null : l), p = function (e, t, r, n) { var o, a, i = [], s = function (t) { return _checkInRHS(t) === e; }, u = new Map(); function l(e) { e && i.push(c.bind(null, e)); } for (var f = 0; f < t.length; f++) { var p = t[f]; if (Array.isArray(p)) { var d = p[1], h = p[2], m = p.length > 3, y = 16 & d, v = !!(8 & d), g = 0 == (d &= 7), b = h + "/" + v; if (!g && !m) { var w = u.get(b); if (!0 === w || 3 === w && 4 !== d || 4 === w && 3 !== d) throw Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: " + h); u.set(b, !(d > 2) || d); } applyDec(v ? e : e.prototype, p, y, m ? "#" + h : _toPropertyKey(h), d, n, v ? a = a || [] : o = o || [], i, v, m, g, 1 === d, v && m ? s : r); } } return l(o), l(a), i; }(e, t, o, f); return r.length || u(e, f), { e: p, get c() { var t = []; return r.length && [u(applyDec(e, [r], n, e.name, 5, f, t), f), c.bind(null, t, e)]; } }; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _setFunctionName(e, t, n) { "symbol" == typeof t && (t = (t = t.description) ? "[" + t + "]" : ""); try { Object.defineProperty(e, "name", { configurable: !0, value: n ? n + " " + t : t }); } catch (e) {} return e; }
function _checkInRHS(e) { if (Object(e) !== e) throw TypeError("right-hand side of 'in' should be an object, got " + (null !== e ? typeof e : "null")); return e; }
import { snapshot } from '@netless/white-snapshot';
import { BuiltinApps, WindowManager } from '@netless/window-manager';
import { ApplianceMultiPlugin, EStrokeType } from '@netless/appliance-plugin';
import '@netless/appliance-plugin/dist/style.css';
import '@netless/window-manager/dist/style.css';
import { convertToNetlessBoardTool, convertToNetlessStorkeType, src2DataURL } from './utils';
import { fetchImageInfoByUrl, mergeCanvasImage } from './utils';
import { BoardMountManager } from './mount-manager';
import { md5 } from 'js-md5';
import { createLogger, generateLogObserver } from '../../utilities/logger';
import { AgoraObservable, bound, trace } from '../../imports';
import { FcrBoardSubWindowImpl } from './board-subwindow';
//@ts-ignore
import fullWorkerString from '@netless/appliance-plugin/dist/fullWorker.js?raw';
//@ts-ignore
import subWorkerString from '@netless/appliance-plugin/dist/subWorker.js?raw';
import { FcrReturnCode } from '../../type';
import { isPlainObject } from 'lodash';
import { jsonstring } from 'agora-rte-sdk/lib/imports';
export class FcrBoardMainWindowImpl {
  static {
    [_initProto] = _applyDecs(this, [[[bound, trace], 2, "getSnapshotImage"], [trace, 2, "addObserver"], [trace, 2, "removeObserver"], [trace, 2, "getContentView"], [bound, 2, "setScale"], [bound, 2, "openSubWindowWithTaskId"], [bound, 2, "openSubWindowWithPageList"], [trace, 2, "getPageInfo"], [[bound, trace], 2, "addPage"], [[bound, trace], 2, "removePage"], [trace, 2, "prevPage"], [trace, 2, "nextPage"], [[bound, trace], 2, "undo"], [[bound, trace], 2, "redo"], [_cleanDecs, 2, "clean"], [_setToolTypeDecs, 2, "setToolType"], [_setStrokeWidthDecs, 2, "setStrokeWidth"], [_setStrokeColorDecs, 2, "setStrokeColor"], [_setTextColorDecs, 2, "setTextColor"], [_setTextSizeDecs, 2, "setTextSize"], [_setFillColorDecs, 2, "setFillColor"], [_setEraserSizeDecs, 2, "setEraserSize"], [_setBackgroundColorDecs, 2, "setBackgroundColor"], [_insertImageDecs, 2, "insertImage"], [_insertMediaDecs, 2, "insertMedia"], [trace, 2, "destroy"], [trace, 2, "getWritable"], [_mountDecs, 2, "_mount"], [trace, 2, "_setRoom"]], []).e;
  }
  [(_cleanDecs = [bound, trace(['retainPpt'])], _setToolTypeDecs = [bound, trace(['type'])], _setStrokeWidthDecs = [bound, trace(['strokeWidth'])], _setStrokeColorDecs = [bound, trace(['color'])], _setTextColorDecs = [bound, trace(['color'])], _setTextSizeDecs = [bound, trace(['size'])], _setFillColorDecs = [bound, trace(['fillColor'])], _setEraserSizeDecs = [bound, trace(['size'])], _setBackgroundColorDecs = [bound, trace(['color'])], _insertImageDecs = [bound, trace(['resourceUrl', 'x', 'y', 'width', 'height'])], _insertMediaDecs = [bound, trace(['resourceUrl', 'title'])], _mountDecs = trace(['options', 'params']), "logger")] = (_initProto(this), createLogger({
    prefix: 'FcrBoardMainWindowImpl'
  }));
  _memberState = {};
  _observable = new AgoraObservable();
  _destroyed = false;
  constructor(room) {
    this._whiteBoardroom = room;
    this._whiteView = document.createElement('div');
    this._initView();
    this._addLogObserver();
  }
  async getSnapshotImage() {
    this._preCheck({
      wm: false
    });
    const whiteRoom = this._whiteBoardroom;
    let result = new ImageData(1, 1);
    if (whiteRoom) {
      const sceneMap = whiteRoom.entireScenes();
      const scenes = Object.keys(sceneMap);
      if (scenes.length) {
        const _room = Object.create(whiteRoom);
        _room.state.cameraState = {
          width: 2038,
          height: 940
        }; // 创建一个宽高

        const cps = sceneMap['/'].map(scene => {
          return () => snapshot(_room, {
            scenePath: '/' + scene.name,
            crossorigin: true,
            background: '#fff',
            src2dataurl: src2DataURL
          });
        });
        try {
          const merged = await mergeCanvasImage(cps);
          const ctx = merged.getContext('2d');
          if (ctx) {
            result = ctx.getImageData(0, 0, merged.width, merged.height);
            return result;
          }
        } catch (e) {
          this.logger.error('failed to take snapshot', e);
        }
      }
    }
    return result;
  }
  addObserver(observer) {
    this._observable.addObserver(observer);
    return FcrReturnCode.SUCCESS;
  }
  removeObserver(observer) {
    this._observable.removeObserver(observer);
    return FcrReturnCode.SUCCESS;
  }
  getContentView() {
    return this._whiteView;
  }
  setScale(value) {
    const scale = Math.max(Math.min(value, 3), -3);
    this._windowManager?.moveCamera({
      scale
    });
  }
  async openSubWindowWithTaskId(title, taskId, urlPrefix) {
    const appId = await this._windowManager?.addApp({
      kind: 'Slide',
      options: {
        scenePath: `/ppt${taskId}`,
        title
      },
      attributes: {
        taskId,
        url: urlPrefix
      }
    });
    if (appId) {
      const app = this._windowManager?.apps?.[appId];
      return app ? new FcrBoardSubWindowImpl(appId) : undefined;
    }
  }
  async openSubWindowWithPageList(title, pageList) {
    const scenePath = `/${Date.now()}`;
    const appId = await this._windowManager?.addApp({
      kind: BuiltinApps.DocsViewer,
      options: {
        scenePath,
        title,
        scenes: this._convertToScenes(pageList)
      }
    });
    if (appId) {
      const app = this._windowManager?.apps?.[appId];
      return app ? new FcrBoardSubWindowImpl(appId) : undefined;
    }
  }
  async setContainerSizeRatio(ratio) {
    this._preCheck();
    this._windowManager?.setContainerSizeRatio(ratio);
  }
  getPageInfo() {
    this._preCheck();
    const windowManager = this._windowManager;
    return {
      showIndex: windowManager?.mainViewSceneIndex || 0,
      count: windowManager?.mainViewScenesLength || 0
    };
  }
  async addPage() {
    this._preCheck();
    if (this._windowManager?.addPage) {
      await this._windowManager.addPage();
      await this._windowManager.nextPage();
    }
    return FcrReturnCode.SUCCESS;
  }
  async removePage() {
    this._preCheck();
    if (this._windowManager?.removePage) {
      await this._windowManager.removePage();
    }
    return FcrReturnCode.SUCCESS;
  }
  async prevPage() {
    this._preCheck();
    if (this._windowManager?.prevPage) {
      await this._windowManager.prevPage();
    }
    return FcrReturnCode.SUCCESS;
  }
  async nextPage() {
    this._preCheck();
    if (this._windowManager?.nextPage) {
      await this._windowManager.nextPage();
    }
    return FcrReturnCode.SUCCESS;
  }
  async undo() {
    this._preCheck({
      wm: false
    });
    return this._whiteBoardroom.undo();
  }
  async redo() {
    this._preCheck({
      wm: false
    });
    return this._whiteBoardroom.redo();
  }
  async clean(retainPpt) {
    this._preCheck({
      wm: false
    });
    // this._whiteBoardroom?.cleanScene?.(true); // new version methods
    this._whiteBoardroom.cleanCurrentScene(retainPpt);
    return FcrReturnCode.SUCCESS;
  }
  async setToolType(type) {
    this._preCheck({
      wm: false
    });
    const [tool, shape] = convertToNetlessBoardTool(type);
    const strokeType = convertToNetlessStorkeType(type);
    const change = {
      currentApplianceName: tool,
      shapeType: shape,
      strokeType
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._appliancePluginInstance?.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setStrokeWidth(strokeWidth) {
    this._preCheck();
    const change = {
      strokeWidth
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setStrokeColor(color) {
    this._preCheck();
    const change = {
      strokeColor: [color.r, color.g, color.b],
      strokeOpacity: color.a ?? 1
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setTextColor(color) {
    this._preCheck();
    const change = {
      textColor: [color.r, color.g, color.b],
      textOpacity: color.a ?? 1
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setTextSize(size) {
    this._preCheck();
    const change = {
      textSize: size
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setFillColor(fillColor) {
    this._preCheck();
    const change = {
      fillColor: [fillColor.r, fillColor.g, fillColor.b],
      fillOpacity: fillColor.a ?? 1
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setEraserSize(size) {
    this._preCheck();
    const change = {
      pencilEraserSize: size
    };
    this._memberState = {
      ...this._memberState,
      ...change
    };
    if (this._windowManager) {
      this._whiteBoardroom.setMemberState(change);
    }
    return FcrReturnCode.SUCCESS;
  }
  async setBackgroundColor(color) {
    this._preCheck();
    this._backgroundColor = color;
    this._whiteView.querySelector('.netless-whiteboard')?.style.setProperty('background-color', color);
    return FcrReturnCode.SUCCESS;
  }
  async insertImage(resourceUrl, x, y, width, height) {
    const room = this._whiteBoardroom;
    const windowManager = this._windowManager;
    const preX = x;
    const preY = y;
    const preWidth = width;
    const preHeight = height;
    if (windowManager) {
      let originX = 0;
      let originY = 0;
      if (this._whiteView) {
        originX = this._whiteView.clientWidth / 2;
        originY = this._whiteView.clientHeight / 2;
      }
      const {
        x,
        y
      } = windowManager.mainView.convertToPointInWorld({
        x: preX ?? originX,
        y: preY ?? originY
      });
      const containerSize = {
        width: this._whiteView?.clientWidth ?? window.innerWidth,
        height: this._whiteView?.clientHeight ?? window.innerHeight
      };
      const uuid = md5(resourceUrl);
      const {
        width,
        height
      } = await fetchImageInfoByUrl(resourceUrl, containerSize);
      const imageInfo = {
        uuid: uuid,
        centerX: x,
        centerY: y,
        width: preWidth ?? width,
        height: preHeight ?? height,
        locked: false
      };
      windowManager.switchMainViewToWriter();
      room.insertImage(imageInfo);
      room.completeImageUpload(uuid, resourceUrl);
    }
    return FcrReturnCode.SUCCESS;
  }
  async insertMedia(resourceUrl, title) {
    const windowManager = this._windowManager;
    const room = this._whiteBoardroom;
    if (windowManager) {
      windowManager.addApp({
        kind: BuiltinApps.MediaPlayer,
        src: resourceUrl,
        options: {
          title: title
        },
        attributes: {
          url: resourceUrl
        }
      });
    }
    return FcrReturnCode.SUCCESS;
  }
  destroy() {
    if (this._windowManager) {
      this._windowManager.destroy();
      this._windowManager = undefined;
    }
    this._destroyed = true;
    return FcrReturnCode.SUCCESS;
  }
  getWritable() {
    return this._whiteBoardroom.isWritable;
  }
  _convertToScenes(pageList) {
    return pageList.map(page => ({
      name: page.name,
      ppt: {
        src: page.contentUrl,
        width: page.contentWidth,
        height: page.contentHeight,
        previewURL: page.previewUrl
      }
    }));
  }
  _preCheck(options = {}) {
    const {
      privilege = true,
      wm = true
    } = options;
    if (privilege && !this._whiteBoardroom.isWritable) {
      this.logger.warn('Try to operate on board window without operation privilege');
    }
    if (wm && !this._windowManager) {
      this.logger.warn('Try to operate on board window when board window not mounted');
    }
  }
  _addWindowManagerEventListeners() {
    const windowManager = this._windowManager;
    windowManager?.emitter.on('mainViewSceneIndexChange', showIndex => {
      const state = {
        showIndex: showIndex,
        count: windowManager?.mainViewScenesLength || 0
      };
      this._observable.notifyObservers('onPageInfoUpdated', state);
    });
    windowManager?.emitter.on('mainViewScenesLengthChange', count => {
      const state = {
        showIndex: windowManager?.mainViewSceneIndex || 0,
        count: count
      };
      this._observable.notifyObservers('onPageInfoUpdated', state);
    });
    windowManager?.emitter.on('canUndoStepsChange', steps => {
      this._observable.notifyObservers('onUndoStateUpdated', steps > 0);
    });
    windowManager?.emitter.on('canRedoStepsChange', steps => {
      this._observable.notifyObservers('onRedoStateUpdated', steps > 0);
    });
  }

  // don't remove, used by FcrWhiteboardControl
  async _mount(options = {}, params = {}) {
    this._whiteboardPrivateParameters = params;
    if (this._whiteBoardroom) {
      this._destroyed = false;
      if (BoardMountManager.isMounting) {
        this.logger.info('[FcrBoardMainWindow] wait for previous board window mounted, white room id:', this._whiteBoardroom.uuid);
        // await when(() => !BoardMountManager.isMounting);
        this.logger.info('[FcrBoardMainWindow] previous board window mounted, start mount current board window, white room id:', this._whiteBoardroom.uuid);
      }
      if (this._destroyed) {
        this.logger.info('[FcrBoardMainWindow] current board window has been destroyed, white room id:', this._whiteBoardroom.uuid);
        return;
      }
      BoardMountManager.setIsMounting(true);
      this.logger.info('start mount board window, white room id:', this._whiteBoardroom.uuid);
      const extras = this._whiteboardPrivateParameters?.extras ?? {};
      const cursor = this._whiteboardPrivateParameters?.cursor ?? true;
      const extendClass = this._whiteboardPrivateParameters?.extendClass;
      const containerElement = this._whiteboardPrivateParameters?.containerElement;
      let windowManagerParams = this._whiteboardPrivateParameters?.windowManagerParams ?? {};
      this.logger.info(`set whiteboard extendClass: ${extendClass}`);
      this.logger.info(`set whiteboard cursor: ${cursor}`);
      this.logger.info(`set whiteboard extras: ${jsonstring(extras)}`);
      this.logger.info(`set whiteboard windowManagerParams: ${jsonstring(windowManagerParams)}`);
      if (!isPlainObject(windowManagerParams)) {
        this.logger.warn('windowManagerParams is not a plain object');
        windowManagerParams = {};
      }

      // 提前将 view 挂载到 containerElement 上，避免白板初始化时无法获取到正确的宽高
      if (containerElement) {
        containerElement.appendChild(this._whiteView);
      }
      await WindowManager.mount({
        debug: true,
        room: this._whiteBoardroom,
        container: this._whiteView,
        cursor: cursor,
        chessboard: false,
        collectorContainer: options.collectorContainer,
        containerSizeRatio: options.containerSizeRatio,
        supportAppliancePlugin: true,
        ...windowManagerParams
      }, extendClass).then(async wm => {
        if (this._destroyed) {
          wm.destroy();
          return;
        }
        //@ts-ignore
        window._wm = wm;
        this._windowManager = wm;
        this._windowManager.mainView.disableCameraTransform = true;
        this._addWindowManagerEventListeners();
        if (this._backgroundColor) {
          this._whiteView.querySelector('.netless-whiteboard')?.style.setProperty('background-color', this._backgroundColor);
        }
        const fullWorkerBlob = new Blob([fullWorkerString], {
          type: 'text/javascript'
        });
        const fullWorkerUrl = URL.createObjectURL(fullWorkerBlob);
        const subWorkerBlob = new Blob([subWorkerString], {
          type: 'text/javascript'
        });
        const subWorkerUrl = URL.createObjectURL(subWorkerBlob);
        await this._windowManager.switchMainViewToWriter();
        const appliancePluginInstance = await ApplianceMultiPlugin.getInstance(wm, {
          options: {
            cdn: {
              fullWorkerUrl,
              subWorkerUrl
            },
            extras
          }
        });

        //@ts-ignore
        window.appliancePluginInstance = appliancePluginInstance;
        this._appliancePluginInstance = appliancePluginInstance;
        if (appliancePluginInstance.injectMethodToObject) {
          appliancePluginInstance.injectMethodToObject(window, 'requestIdleCallback');
          appliancePluginInstance.injectMethodToObject(window, 'cancelIdleCallback');
        }
        appliancePluginInstance.addListener('forceStop', reason => {
          if (reason == 'longPencil') {
            window.postMessage({
              type: 'white-board-error',
              data: {
                reason: 'longPencil'
              }
            }, '*');
          }
        });
        const hasPermission = this._whiteBoardroom.isWritable;
        this.logger.info(`after mount, isWritable: ${hasPermission}`);
        if (hasPermission) {
          this._whiteBoardroom.setMemberState(this._memberState);
          appliancePluginInstance.setMemberState({
            strokeType: EStrokeType.Normal
          });
        }
      }).catch(e => {
        this.logger.error('failed to mount', e);
      }).finally(() => {
        this.logger.info('[FcrBoardMainWindow] finish mount board window, white room id:', this._whiteBoardroom.uuid);
        BoardMountManager.setIsMounting(false);
      });
    }
  }
  _initView() {
    this._whiteView.style.width = '100%';
    this._whiteView.style.height = '100%';
    this._whiteView.classList.add('fcr-whiteboard-window-view');
  }

  // don't remove, used by FcrWhiteboardControl
  async _setRoom(room, options, params) {
    this._whiteBoardroom = room;
    if (this._windowManager) {
      this.logger.info('destroy previous window manager');
      this._windowManager.destroy();
    }
    await this._mount(options, params);
    this.logger.info('restore member state');
    room.setMemberState(this._memberState);
  }
  _addLogObserver() {
    this.addObserver(generateLogObserver(this.logger, [['onWritable', ['isWritable']], ['onPageInfoUpdated', ['info']], ['onUndoStateUpdated', ['enable']], ['onRedoStateUpdated', ['enable']]]));
  }
}