var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (g && (g = 0, op[0] && (_ = 0)), _) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var Clip = /** @class */ (function () { function Clip(name, startOffset, lengthOfClip) { this.startOffset = startOffset; this.lengthOfClip = lengthOfClip; this.name = name; this.timerID = null; this.scrubberEndingPosition = 100; } Clip.prototype.play = function () { return __awaiter(this, void 0, void 0, function () { var _this = this; return __generator(this, function (_a) { console.log("Playing ".concat(this.name)); this.timerID = setInterval(function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { console.log("Running async ".concat(this.name)); this.stop(); return [2 /*return*/]; }); }); }, this.lengthOfClip); return [2 /*return*/]; }); }); }; Clip.prototype.stop = function () { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { clearInterval(this.timerID); console.log("Stopping ".concat(this.name)); return [2 /*return*/]; }); }); }; return Clip; }()); var API = /** @class */ (function () { function API() { this.timelineItems = []; this.timerID = null; this.timeLineLimit = 1000 * 10; } API.prototype.addPlayableClip = function (clip) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { this.timelineItems.push(clip); return [2 /*return*/]; }); }); }; API.prototype.start = function () { return __awaiter(this, void 0, void 0, function () { var start, updateInterval, timerID; var _this = this; return __generator(this, function (_a) { start = 0; updateInterval = 100; timerID = setInterval(function () { return __awaiter(_this, void 0, void 0, function () { var _loop_1, this_1, _i, _a, element; return __generator(this, function (_b) { console.log("Current Time:".concat(start)); _loop_1 = function (element) { if (element.startOffset >= start) { element.play(); // remove the element this_1.timelineItems = this_1.timelineItems.filter(function (item) { return item !== element; }); } }; this_1 = this; // get last updated time when stopped for (_i = 0, _a = this.timelineItems; _i < _a.length; _i++) { element = _a[_i]; _loop_1(element); } if (start == this.timeLineLimit || this.timelineItems.length == 0) { this.stop(); } start += updateInterval; return [2 /*return*/]; }); }); }, updateInterval); this.timerID = timerID; return [2 /*return*/]; }); }); }; API.prototype.stop = function () { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { console.log("Stopping Timeline"); clearInterval(this.timerID); return [2 /*return*/]; }); }); }; return API; }()); // How much timeline precision we have var percision = 100; // Visual verification tests. function CheckIfBasicClipWorks() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 1000)); api.start(); } function CheckIfBasicClipWorks3SecondsAfterTimelineStops() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 10000)); api.start(); } function CheckIfTwoClipsAtTheSameTimeWorks() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 1000)); api.start(); } function CheckIfTwoClipsOneAfterAnotherWorks() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 1000)); api.addPlayableClip(new Clip("clip2", 0, 2000)); api.start(); } function CheckIfTimeLineStopBeforeClipPlays() { var _this = this; var api = new API(); api.addPlayableClip(new Clip("clip3", 0, 1000)); api.start(); setInterval(function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { api.stop(); return [2 /*return*/]; }); }); }, 1100); console.log("Stopped"); } function CheckIfTimeLineStartAfterClipPlays() { var _this = this; var api = new API(); api.addPlayableClip(new Clip("clip3", 0, 1000)); api.start(); setInterval(function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { api.stop(); return [2 /*return*/]; }); }); }, 500); console.log("Stopped"); } function CheckIfClipsPlayAllTogetherConcurrently() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 1000)); api.addPlayableClip(new Clip("clip2", 0, 1000)); api.addPlayableClip(new Clip("clip3", 0, 1000)); api.addPlayableClip(new Clip("clip4", 0, 1000)); api.start(); } function CheckIfClipsPlayAllTogether() { var api = new API(); api.addPlayableClip(new Clip("clip1", 0, 1000)); api.addPlayableClip(new Clip("clip2", 0, 1000)); api.addPlayableClip(new Clip("clip3", 0, 1000)); api.addPlayableClip(new Clip("clip4", 0, 1000)); api.start(); } CheckIfBasicClipWorks(); // CheckIfTwoClipsAtTheSameTimeWorks() // CheckIfTwoClipsOneAfterAnotherWorks() // CheckIfTimeLineStopBeforeClipPlays() // CheckIfTimeLineStartAfterClipPlays() // CheckIfClipsPlayAllTogetherConcurrently() // CheckIfClipsPlayAllTogether()