Liferay.Loader.define("frontend-image-editor-web@4.0.37/ContrastComponent.es", ['module', 'exports', 'require', 'frontend-js-web', './ContrastSlider.es', 'frontend-js-metal-web$metal', 'frontend-js-metal-web$metal-component', 'frontend-js-metal-web$metal-soy', './ContrastComponent.soy', './ContrastControls.soy'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.default = void 0;

    var _frontendJsWeb = require("frontend-js-web");

    require("./ContrastSlider.es");

    var _metal = require("frontend-js-metal-web$metal");

    var _metalComponent = _interopRequireDefault(require("frontend-js-metal-web$metal-component"));

    var _metalSoy = _interopRequireDefault(require("frontend-js-metal-web$metal-soy"));

    var _ContrastComponent = _interopRequireDefault(require("./ContrastComponent.soy"));

    require("./ContrastControls.soy");

    function _interopRequireDefault(obj) {
      return obj && obj.__esModule ? obj : { default: obj };
    }

    function _typeof(obj) {
      "@babel/helpers - typeof";
      if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
        _typeof = function _typeof(obj) {
          return typeof obj;
        };
      } else {
        _typeof = function _typeof(obj) {
          return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
        };
      }return _typeof(obj);
    }

    function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
      }
    }

    function _defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];descriptor.enumerable = descriptor.enumerable || false;descriptor.configurable = true;if ("value" in descriptor) descriptor.writable = true;Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    function _createClass(Constructor, protoProps, staticProps) {
      if (protoProps) _defineProperties(Constructor.prototype, protoProps);if (staticProps) _defineProperties(Constructor, staticProps);return Constructor;
    }

    function _possibleConstructorReturn(self, call) {
      if (call && (_typeof(call) === "object" || typeof call === "function")) {
        return call;
      }return _assertThisInitialized(self);
    }

    function _assertThisInitialized(self) {
      if (self === void 0) {
        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
      }return self;
    }

    function _getPrototypeOf(o) {
      _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
        return o.__proto__ || Object.getPrototypeOf(o);
      };return _getPrototypeOf(o);
    }

    function _inherits(subClass, superClass) {
      if (typeof superClass !== "function" && superClass !== null) {
        throw new TypeError("Super expression must either be null or a function");
      }subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } });if (superClass) _setPrototypeOf(subClass, superClass);
    }

    function _setPrototypeOf(o, p) {
      _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
        o.__proto__ = p;return o;
      };return _setPrototypeOf(o, p);
    }

    /**
     * Creates a Contrast component.
     */
    var ContrastComponent = /*#__PURE__*/function (_Component) {
      _inherits(ContrastComponent, _Component);

      function ContrastComponent() {
        _classCallCheck(this, ContrastComponent);

        return _possibleConstructorReturn(this, _getPrototypeOf(ContrastComponent).apply(this, arguments));
      }

      _createClass(ContrastComponent, [{
        key: "attached",

        /**
         * @inheritDoc
         */
        value: function attached() {
          this.requestImageEditorPreview_ = (0, _frontendJsWeb.debounce)(this.requestImageEditorPreview, 50);
          this.cache_ = {};
        }
        /**
         * @inheritDoc
         */

      }, {
        key: "detached",
        value: function detached() {
          this.cache_ = {};
        }
        /**
         * Applies a contrast filter to the image.
         *
         * @param  {ImageData} imageData The image data representation of the image.
         * @return {Promise} A promise that resolves when the webworker
         * finishes processing the image.
         */

      }, {
        key: "preview",
        value: function preview(imageData) {
          return this.process(imageData);
        }
        /**
         * Applies a contrast filter to the image.
         *
         * @param  {ImageData} imageData The image data representation of the image.
         * @return {Promise} A promise that resolves when the webworker
         * finishes processing the image.
         */

      }, {
        key: "process",
        value: function process(imageData) {
          var contrastValue = this.components.slider.value;
          var promise = this.cache_[contrastValue];

          if (!promise) {
            promise = this.spawnWorker_({
              contrastValue: contrastValue,
              imageData: imageData
            });
            this.cache_[contrastValue] = promise;
          }

          return promise;
        }
        /**
         * Notifies the editor that this component wants to generate a different
         * preview version of the current image. It debounces the calls.
         */

      }, {
        key: "requestPreview",
        value: function requestPreview() {
          this.requestImageEditorPreview_();
        }
        /**
         * Spawns a webworker to process the image in a different thread.
         *
         * @param  {Object} message The image and contrast value.
         * @return {Promise} A promise that resolves when the webworker
         * finishes processing the image.
         */

      }, {
        key: "spawnWorker_",
        value: function spawnWorker_(message) {
          var _this = this;

          return new Promise(function (resolve) {
            var workerURI = _this.modulePath + '/ContrastWorker.js';
            var processWorker = new Worker(workerURI);

            processWorker.onmessage = function (event) {
              return resolve(event.data);
            };

            processWorker.postMessage(message);
          });
        }
      }]);

      return ContrastComponent;
    }(_metalComponent.default);
    /**
     * State definition.
     *
     * @static
     * @type {!Object}
     */

    ContrastComponent.STATE = {
      /**
       * Path of this module.
       *
       * @type {String}
       */
      modulePath: {
        validator: _metal.core.isString
      },

      /**
       * Injected method that notifies the editor that this component wants to
       * generate a preview version of the image.
       *
       * @type {Function}
       */
      requestImageEditorPreview: {
        validator: _metal.core.isFunction
      }
    };

    _metalSoy.default.register(ContrastComponent, _ContrastComponent.default);

    var _default = ContrastComponent;
    exports.default = _default;
    //# sourceMappingURL=ContrastComponent.es.js.map
  }
});
//# sourceMappingURL=ContrastComponent.es.js.map