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Writing the timeline object and testing it
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Michael Chung committed
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@@ -0,0 +1,205 @@
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (g && (g = 0, op[0] && (_ = 0)), _) try {
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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;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var Clip = /** @class */ (function () {
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function Clip(name, startOffset, lengthOfClip) {
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this.startOffset = startOffset;
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this.lengthOfClip = lengthOfClip;
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this.name = name;
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this.timerID = null;
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this.scrubberEndingPosition = 100;
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}
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Clip.prototype.play = function () {
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return __awaiter(this, void 0, void 0, function () {
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var _this = this;
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return __generator(this, function (_a) {
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console.log("Playing ".concat(this.name));
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this.timerID = setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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console.log("Running async ".concat(this.name));
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this.stop();
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return [2 /*return*/];
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});
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}); }, this.lengthOfClip);
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return [2 /*return*/];
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});
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});
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};
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Clip.prototype.stop = function () {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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clearInterval(this.timerID);
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console.log("Stopping ".concat(this.name));
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return [2 /*return*/];
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});
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});
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};
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return Clip;
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}());
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var API = /** @class */ (function () {
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function API() {
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this.timelineItems = [];
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this.timerID = null;
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this.timeLineLimit = 1000 * 10;
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}
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API.prototype.addPlayableClip = function (clip) {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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this.timelineItems.push(clip);
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return [2 /*return*/];
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});
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});
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};
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API.prototype.start = function () {
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return __awaiter(this, void 0, void 0, function () {
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var start, updateInterval, timerID;
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var _this = this;
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return __generator(this, function (_a) {
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start = 0;
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updateInterval = 100;
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timerID = setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
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var _loop_1, this_1, _i, _a, element;
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return __generator(this, function (_b) {
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console.log("Current Time:".concat(start));
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_loop_1 = function (element) {
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if (element.startOffset >= start) {
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element.play();
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// remove the element
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this_1.timelineItems = this_1.timelineItems.filter(function (item) { return item !== element; });
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}
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};
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this_1 = this;
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// get last updated time when stopped
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for (_i = 0, _a = this.timelineItems; _i < _a.length; _i++) {
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element = _a[_i];
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_loop_1(element);
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}
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if (start == this.timeLineLimit || this.timelineItems.length == 0) {
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this.stop();
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}
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start += updateInterval;
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return [2 /*return*/];
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});
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}); }, updateInterval);
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this.timerID = timerID;
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return [2 /*return*/];
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});
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});
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};
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API.prototype.stop = function () {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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console.log("Stopping Timeline");
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clearInterval(this.timerID);
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return [2 /*return*/];
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});
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});
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};
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return API;
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}());
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// How much timeline precision we have
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var percision = 100;
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// Visual verification tests.
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function CheckIfBasicClipWorks() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 1000));
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api.start();
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}
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function CheckIfBasicClipWorks3SecondsAfterTimelineStops() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 10000));
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api.start();
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}
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function CheckIfTwoClipsAtTheSameTimeWorks() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 1000));
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api.start();
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}
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function CheckIfTwoClipsOneAfterAnotherWorks() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 1000));
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api.addPlayableClip(new Clip("clip2", 0, 2000));
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api.start();
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}
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function CheckIfTimeLineStopBeforeClipPlays() {
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var _this = this;
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var api = new API();
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api.addPlayableClip(new Clip("clip3", 0, 1000));
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api.start();
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setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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api.stop();
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return [2 /*return*/];
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});
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}); }, 1100);
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console.log("Stopped");
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}
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function CheckIfTimeLineStartAfterClipPlays() {
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var _this = this;
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var api = new API();
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api.addPlayableClip(new Clip("clip3", 0, 1000));
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api.start();
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setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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api.stop();
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return [2 /*return*/];
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});
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}); }, 500);
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console.log("Stopped");
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}
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function CheckIfClipsPlayAllTogetherConcurrently() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 1000));
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api.addPlayableClip(new Clip("clip2", 0, 1000));
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api.addPlayableClip(new Clip("clip3", 0, 1000));
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api.addPlayableClip(new Clip("clip4", 0, 1000));
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api.start();
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}
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function CheckIfClipsPlayAllTogether() {
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var api = new API();
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api.addPlayableClip(new Clip("clip1", 0, 1000));
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api.addPlayableClip(new Clip("clip2", 0, 1000));
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api.addPlayableClip(new Clip("clip3", 0, 1000));
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api.addPlayableClip(new Clip("clip4", 0, 1000));
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api.start();
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}
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CheckIfBasicClipWorks();
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// CheckIfTwoClipsAtTheSameTimeWorks()
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// CheckIfTwoClipsOneAfterAnotherWorks()
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// CheckIfTimeLineStopBeforeClipPlays()
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// CheckIfTimeLineStartAfterClipPlays()
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// CheckIfClipsPlayAllTogetherConcurrently()
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// CheckIfClipsPlayAllTogether()
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@@ -0,0 +1,156 @@
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// Write unsubcribe and run the remainder of the clip tech.
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class Clip {
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name: string
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startOffset: number
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timerID: NodeJS.Timeout | null
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lengthOfClip: number
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scrubberEndingPosition: number
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constructor(name: string, startOffset: number, lengthOfClip: number,unsubscribe) {
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this.startOffset = startOffset
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this.lengthOfClip = lengthOfClip
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this.name = name
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this.timerID = null
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this.scrubberEndingPosition = 100
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}
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async play(): Promise<void> {
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console.log(`Playing ${this.name}`)
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this.timerID = setInterval(async () => {
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console.log(`Running async ${this.name}`)
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this.stop()
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}, this.lengthOfClip)
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}
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async stop(): Promise<void> {
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clearInterval(this.timerID!)
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console.log(`Stopping ${this.name}`)
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}
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}
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class API {
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timelineItems: Clip[]
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timerID: NodeJS.Timeout | null
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timeLineLimit: number
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runningClips: Clip[]
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constructor() {
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this.timelineItems = []
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this.timerID = null
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this.timeLineLimit = 1000 * 10
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this.runningClips = []
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}
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async addPlayableClip(clip: Clip): Promise<void> {
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this.timelineItems.push(clip)
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}
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async start(): Promise<void> {
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let start = 0
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const updateInterval = 100
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const timerID = setInterval(async () => {
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console.log(`Current Time:${start}`)
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// get last updated time when stopped
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for (const element of this.timelineItems) {
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if (element.startOffset >= start) {
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element.play()
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// remove the element
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this.timelineItems = this.timelineItems.filter(item => item !== element)
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}
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}
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if (start == this.timeLineLimit || this.timelineItems.length == 0) {
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this.stop()
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}
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start += updateInterval
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}, updateInterval)
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this.timerID = timerID
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}
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async stop(): Promise<void> {
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console.log(`Stopping Timeline`)
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clearInterval(this.timerID!)
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}
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}
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// How much timeline precision we have
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const percision = 100
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// Visual verification tests.
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function CheckIfBasicClipWorks() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1", 0, 1000))
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api.start()
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}
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function CheckIfBasicClipWorks3SecondsAfterTimelineStops() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1", 0, 10000))
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api.start()
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}
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function CheckIfTwoClipsAtTheSameTimeWorks() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1", 0, 1000))
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api.start()
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}
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function CheckIfTwoClipsOneAfterAnotherWorks() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1", 0, 1000))
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api.addPlayableClip(new Clip("clip2", 0, 2000))
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api.start()
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}
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function CheckIfTimeLineStopBeforeClipPlays() {
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const api = new API()
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api.addPlayableClip(new Clip("clip3",0,1000))
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api.start()
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setInterval(async ()=> {
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api.stop()
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},1100)
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console.log("Stopped")
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}
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function CheckIfTimeLineStartAfterClipPlays() {
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const api = new API()
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api.addPlayableClip(new Clip("clip3",0,1000))
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api.start()
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setInterval(async ()=> {
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api.stop()
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},500)
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console.log("Stopped")
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}
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function CheckIfClipsPlayAllTogetherConcurrently() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1",0,1000))
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api.addPlayableClip(new Clip("clip2",0,1000))
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api.addPlayableClip(new Clip("clip3",0,1000))
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api.addPlayableClip(new Clip("clip4",0,1000))
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api.start()
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}
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function CheckIfClipsPlayAllTogether() {
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const api = new API()
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api.addPlayableClip(new Clip("clip1",0,1000))
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api.addPlayableClip(new Clip("clip2",0,1000))
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api.addPlayableClip(new Clip("clip3",0,1000))
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api.addPlayableClip(new Clip("clip4",0,1000))
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api.start()
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}
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CheckIfBasicClipWorks()
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// CheckIfTwoClipsAtTheSameTimeWorks()
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// CheckIfTwoClipsOneAfterAnotherWorks()
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// CheckIfTimeLineStopBeforeClipPlays()
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// CheckIfTimeLineStartAfterClipPlays()
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// CheckIfClipsPlayAllTogetherConcurrently()
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// CheckIfClipsPlayAllTogether()
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