econ/lib/basic/EventDispatcher.js

Event Collections

"use strict";
var __values = (this && this.__values) || function (o) {
    var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
    if (m) return m.call(o);
    return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
};
Object.defineProperty(exports, "__esModule", { value: true });
var std = require("tstl");
var EventDispatcher = /** @class */ (function () {
    function EventDispatcher() {
        this.listeners_ = new std.HashMap();
    }
    EventDispatcher.prototype.dispatchEvent = function (event) {
        var it = this.listeners_.find(event.type);
        if (it.equals(this.listeners_.end()))
            return false;
        var listeners = it.second;
        try {
            for (var listeners_1 = __values(listeners), listeners_1_1 = listeners_1.next(); !listeners_1_1.done; listeners_1_1 = listeners_1.next()) {
                var elem = listeners_1_1.value;
                elem(event);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (listeners_1_1 && !listeners_1_1.done && (_a = listeners_1.return)) _a.call(listeners_1);
            }
            finally { if (e_1) throw e_1.error; }
        }
        return true;
        var e_1, _a;
    };
    EventDispatcher.prototype.hasEventListener = function (type) {
        return this.listeners_.has(type);
    };
    EventDispatcher.prototype.addEventListener = function (type, listener) {
        var it = this.listeners_.find(type);
        if (it.equals(this.listeners_.end()))
            it = this.listeners_.emplace(type, new std.HashSet()).first;
        it.second.insert(listener);
    };
    EventDispatcher.prototype.removeEventListener = function (type, listener) {
        this.listeners_.get(type).erase(listener);
    };
    return EventDispatcher;
}());
exports.EventDispatcher = EventDispatcher;
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