Refactoring WorkAdventureAPI.

Simplifying a lot what was done (even if the new code is a bit less automated, it allows to list exactly the methods we want to see deprecated and to add a notification message)

front/src/Api/iframe/room.ts

@@ -0,0 +1,50 @@
+import { Subject } from "rxjs";
+import { EnterLeaveEvent, isEnterLeaveEvent } from '../Events/EnterLeaveEvent';
+import { apiCallback as apiCallback, IframeApiContribution } from './IframeApiContribution';
+
+
+const enterStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
+const leaveStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
+
+class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomCommands> {
+    callbacks = [
+        apiCallback({
+            callback: (payloadData: EnterLeaveEvent) => {
+                enterStreams.get(payloadData.name)?.next();
+            },
+            type: "enterEvent",
+            typeChecker: isEnterLeaveEvent
+        }),
+        apiCallback({
+            type: "leaveEvent",
+            typeChecker: isEnterLeaveEvent,
+            callback: (payloadData) => {
+                leaveStreams.get(payloadData.name)?.next();
+            }
+        })
+
+    ]
+
+
+    onEnterZone(name: string, callback: () => void): void {
+        let subject = enterStreams.get(name);
+        if (subject === undefined) {
+            subject = new Subject<EnterLeaveEvent>();
+            enterStreams.set(name, subject);
+        }
+        subject.subscribe(callback);
+
+    }
+    onLeaveZone(name: string, callback: () => void): void {
+        let subject = leaveStreams.get(name);
+        if (subject === undefined) {
+            subject = new Subject<EnterLeaveEvent>();
+            leaveStreams.set(name, subject);
+        }
+        subject.subscribe(callback);
+    }
+
+}
+
+
+export default new WorkadventureRoomCommands();