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refacto(backend): real private read-only fields

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* Just like in the backend thanks to node 12
This commit is contained in:
Florent Chehab 2020-05-12 20:21:54 +02:00
parent 25bcdee083
commit 0240171d0e
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GPG Key ID: 9A0CE018889EA246
1 changed files with 38 additions and 31 deletions
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69
scripts/WhiteboardServerSideInfo.js
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@ -6,40 +6,47 @@ const config = require("./config/config");
class WhiteboardServerSideInfo { class WhiteboardServerSideInfo {
static defaultScreenResolution = { w: 1000, h: 1000 }; static defaultScreenResolution = { w: 1000, h: 1000 };
constructor() { /**
/** * @type {number}
* @type {number} * @private
* @private */
*/ #nbConnectedUsers = 0;
this._nbConnectedUsers = 0; get nbConnectedUsers() {
return this.#nbConnectedUsers;
}
/** /**
* @type {Map<int, {w: number, h: number}>} * @type {Map<int, {w: number, h: number}>}
* @private * @private
*/ */
this._screenResolutionByClients = new Map(); #screenResolutionByClients = new Map();
get screenResolutionByClients() {
return this.#screenResolutionByClients;
}
/** /**
* Variable to tell if these info have been sent or not * Variable to tell if these info have been sent or not
* *
* @private * @private
* @type {boolean} * @type {boolean}
*/ */
this._hasNonSentUpdates = false; #hasNonSentUpdates = false;
get hasNonSentUpdates() {
return this.#hasNonSentUpdates;
} }
incrementNbConnectedUsers() { incrementNbConnectedUsers() {
this._nbConnectedUsers++; this.#nbConnectedUsers++;
this._hasNonSentUpdates = true; this.#hasNonSentUpdates = true;
} }
decrementNbConnectedUsers() { decrementNbConnectedUsers() {
this._nbConnectedUsers--; this.#nbConnectedUsers--;
this._hasNonSentUpdates = true; this.#hasNonSentUpdates = true;
} }
hasConnectedUser() { hasConnectedUser() {
return this._nbConnectedUsers > 0; return this.#nbConnectedUsers > 0;
} }
/** /**
@ -50,8 +57,8 @@ class WhiteboardServerSideInfo {
* @param {number} h client's hight * @param {number} h client's hight
*/ */
setScreenResolutionForClient(clientId, { w, h }) { setScreenResolutionForClient(clientId, { w, h }) {
this._screenResolutionByClients.set(clientId, { w, h }); this.#screenResolutionByClients.set(clientId, { w, h });
this._hasNonSentUpdates = true; this.#hasNonSentUpdates = true;
} }
/** /**
@ -59,8 +66,8 @@ class WhiteboardServerSideInfo {
* @param clientId * @param clientId
*/ */
deleteScreenResolutionOfClient(clientId) { deleteScreenResolutionOfClient(clientId) {
this._screenResolutionByClients.delete(clientId); this.#screenResolutionByClients.delete(clientId);
this._hasNonSentUpdates = true; this.#hasNonSentUpdates = true;
} }
/** /**
@ -68,7 +75,7 @@ class WhiteboardServerSideInfo {
* @return {{w: number, h: number}} * @return {{w: number, h: number}}
*/ */
getSmallestScreenResolution() { getSmallestScreenResolution() {
const { _screenResolutionByClients: resolutions } = this; const { screenResolutionByClients: resolutions } = this;
return { return {
w: Math.min(...Array.from(resolutions.values()).map((res) => res.w)), w: Math.min(...Array.from(resolutions.values()).map((res) => res.w)),
h: Math.min(...Array.from(resolutions.values()).map((res) => res.h)), h: Math.min(...Array.from(resolutions.values()).map((res) => res.h)),
@ -76,16 +83,16 @@ class WhiteboardServerSideInfo {
} }
infoWasSent() { infoWasSent() {
this._hasNonSentUpdates = false; this.#hasNonSentUpdates = false;
} }
shouldSendInfo() { shouldSendInfo() {
return this._hasNonSentUpdates; return this.#hasNonSentUpdates;
} }
asObject() { asObject() {
const out = { const out = {
nbConnectedUsers: this._nbConnectedUsers, nbConnectedUsers: this.#nbConnectedUsers,
}; };
if (config.frontend.showSmallestScreenIndicator) { if (config.frontend.showSmallestScreenIndicator) {