Adding ability to listen to user types chat messages using WA.onChatMessage

This commit is contained in:
David Négrier 2021-03-06 15:26:07 +01:00
parent 5178dff108
commit e927e0fa16
7 changed files with 82 additions and 10 deletions

View file

@ -5,4 +5,7 @@ export const isChatEvent =
message: tg.isString,
author: tg.isString,
}).get();
/**
* A message sent from the iFrame to the game to add a message in the chat.
*/
export type ChatEvent = tg.GuardedType<typeof isChatEvent>;

View file

@ -1,4 +1,4 @@
interface IframeEvent {
export interface IframeEvent {
type: string;
data: unknown;
}

View file

@ -0,0 +1,10 @@
import * as tg from "generic-type-guard";
export const isUserInputChatEvent =
new tg.IsInterface().withProperties({
message: tg.isString,
}).get();
/**
* A message sent from the game to the iFrame when a user types a message in the chat.
*/
export type UserInputChatEvent = tg.GuardedType<typeof isUserInputChatEvent>;

View file

@ -1,6 +1,7 @@
import {Subject} from "rxjs";
import {ChatEvent, isChatEvent} from "./Events/ChatEvent";
import {isIframeEventWrapper} from "./Events/IframeEvent";
import {IframeEvent, isIframeEventWrapper} from "./Events/IframeEvent";
import {UserInputChatEvent} from "./Events/UserInputChatEvent";
@ -12,15 +13,15 @@ class IframeListener {
public readonly chatStream = this._chatStream.asObservable();
init() {
window.addEventListener("message", (event) => {
window.addEventListener("message", (message) => {
// Do we trust the sender of this message?
//if (event.origin !== "http://example.com:8080")
//if (message.origin !== "http://example.com:8080")
// return;
// event.source is window.opener
// event.data is the data sent by the iframe
// message.source is window.opener
// message.data is the data sent by the iframe
const payload = event.data;
const payload = message.data;
if (isIframeEventWrapper(payload)) {
if (payload.type === 'chat' && isChatEvent(payload.data)) {
this._chatStream.next(payload.data);
@ -29,6 +30,27 @@ class IframeListener {
}, false);
}
sendUserInputChat(message: string) {
this.postMessage({
'type': 'userInputChat',
'data': {
'message': message,
} as UserInputChatEvent
});
}
/**
* Sends the message... to absolutely all the iFrames that can be found in the current document.
*/
private postMessage(message: IframeEvent) {
// TODO: not the most effecient implementation if there are many events sent!
for (const iframe of document.querySelectorAll<HTMLIFrameElement>('iframe')) {
iframe.contentWindow?.postMessage(message, '*');
}
}
}