GazeTK

/*

 * Copyright 2015 Thies Pfeiffer and Dimitri Heil and Kevin Taron

 * Blinker is distributed under the terms of the GNU General Public License

 * 

 * This file is part of Blinker.

 * 

 * Blinker is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 * 

 * Blinker is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with Blinker. If not, see <http://www.gnu.org/licenses/>.

 */

var clickPossible = true;

function dwellAction(element) {

        var gazeObject = $(element);

        gazeObject.off("isFixated");

        gazeObject.on("isFixated", { fixelement: element } , clickDwellAction);

}

function clickDwellAction(event) {

        // Only Click if Possible -- No doubleClicks

        if(clickPossible) {

                clickPossible = false;        

                var gazeElement = $(event.data.fixelement);

                var target = gazeElement;

                var ownFunc = "";

                var afterFunc = "";

                // Set Target Element

                if(gazeElement.attr('data-gaze-target') != null) {

                        target = $(gazeElement.attr('data-gaze-target'))[0];

                }

                // Set Gaze Function or Use Click

                if(gazeElement.attr('data-gaze-function') != null) {

                        ownFunc = gazeElement.attr('data-gaze-function');

                        eval(ownFunc);

                } else {

                        target.click();

                }

                // Set After Gaze Function

                if(gazeElement.attr('data-gaze-function-after') != null) {

                        afterFunc = gazeElement.attr('data-gaze-function-after');

                        eval(afterFunc);

                }

                // Make CLick Possible in 500ms

                setTimeout(madeClickPossible, 500);

        }

}

// Make Click Possible Again

function madeClickPossible() {

        clickPossible = true;

}