// Metro module 5478 (f5479).
import _classCallCheck from "./_classCallCheck_5425";
import _createClass from "./_createClass_5426";
import { ErrorMessages } from "./Module5413";
import { roundToDecimalPlaces } from "./Module5479";
let env3365 = {};
const JSFPSMonitor = function JSFPSMonitor() {
  _classCallCheck(this, JSFPSMonitor);
  this.startTime = 0;
  this.frameCount = 0;
  this.timeWindow = {
    frameCount: 0,
    startTime: 0
  };
  this.minFPS = Number.MAX_SAFE_INTEGER;
  this.maxFPS = 0;
  this.averageFPS = 0;
  this.clearAnimationNumber = 0;
  this.updateLoopCompute = () => {
    this.frameCount = this.frameCount + 1;
    const r2 = (Date.now() - this.startTime) / 1000;
    this.averageFPS = 0 < r2 ? this.frameCount / r2 : 0;
    const timeWindow = this.timeWindow;
    timeWindow.frameCount = timeWindow.frameCount + 1;
    const r26 = (Date.now() - this.timeWindow.startTime) / 1000;
    if (1 <= r26) {
      const r30 = this.timeWindow.frameCount / r26;
      this.minFPS = Math.min(this.minFPS, r30);
      this.maxFPS = Math.max(this.maxFPS, r30);
      this.timeWindow.frameCount = 0;
      this.timeWindow.startTime = Date.now();
    }
    this.measureLoop();
  };
};
exports.JSFPSMonitor = _createClass(JSFPSMonitor, [{
  key: "measureLoop",
  value: function measureLoop() {
    this.clearAnimationNumber = requestAnimationFrame(this.updateLoopCompute);
  }
}, {
  key: "startTracking",
  value: function startTracking() {
    if (this.startTime !== 0) {
      throw new Error(ErrorMessages.fpsMonitorAlreadyRunning);
    }
    this.startTime = Date.now();
    this.timeWindow.startTime = Date.now();
    this.measureLoop();
  }
}, {
  key: "stopAndGetData",
  value: function stopAndGetData() {
    cancelAnimationFrame(this.clearAnimationNumber);
    if (this.minFPS === Number.MAX_SAFE_INTEGER) {
      this.minFPS = this.averageFPS;
      this.maxFPS = this.averageFPS;
    }
    return {
      minFPS: roundToDecimalPlaces(this.minFPS, 1),
      maxFPS: roundToDecimalPlaces(this.maxFPS, 1),
      averageFPS: roundToDecimalPlaces(this.averageFPS, 1)
    };
  }
}]);