GazeTK

/*

 * Copyright 2015 Thies Pfeiffer and Dimitri Heil

 * 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 gazeFunctions = {

        /*

        *        open a given url in a given target (_self / _blank)

        */

        openURL: function(url, target) {

                //console.log("functions.js :: " + "gazeFunctions.openURL()" + ", url: " + url + ", target: " + target);

                $("#wheelSelector").css("display", "none");

                edgeFunctions.clearDivs();

                $("#wheelSelector").empty();

                wheelSelectorShowing = false;

                window.open(url, target);

        },

        /*

        *        Positions the gazeLinkOption-fields according to the number of gazeConfirmations-fileds and the gazeLinks-Div position

        *

        *        @gazeLinkNumber: the number of the gazeLink the gazeLinkOptions should be appended to

        */

        showGazeLinkOptions: function(gazeLinkNumber) {

                //console.log("functions.js :: " + "gazeFunctions.showGazeLinkOptions()" + ", gazeLinkNumber: " + gazeLinkNumber);

                gazeFunctions.hideGazeLinkOptions();

                //console.log("gazeLinkNumber: "+ gazeLinkNumber);

                var selectedDivOffset = $("#gazeLinkNum_" + gazeLinkNumber).offset();

                //console.log("selectedDivOffset X: "+selectedDivOffset.left);

                //console.log("selectedDivOffset Y: "+selectedDivOffset.top);

                if (blickBrowserSettings.gazeConfirmationSteps === 0) {

                        $("#leftGazeOption_" + gazeLinkNumber).css("left", (gazeInformation.gazeLinksPosition.x - $("#leftGazeOption_" + gazeLinkNumber).width() - window.scrollX) - 1 + "px");

                        $("#leftGazeOption_" + gazeLinkNumber).css("top", (gazeInformation.gazeLinksPosition.y + selectedDivOffset.top - $("#gazeLinks").offset().top) + "px");

                        $("#leftGazeOption_" + gazeLinkNumber).css("height", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#leftGazeOption_" + gazeLinkNumber).css("width", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#rightGazeOption_" + gazeLinkNumber).css("left", (gazeInformation.gazeLinksPosition.x + $("#gazeLinks").width() - window.scrollX) - 1 + "px");

                        $("#rightGazeOption_" + gazeLinkNumber).css("top", (gazeInformation.gazeLinksPosition.y + selectedDivOffset.top - $("#gazeLinks").offset().top) + "px");

                        $("#rightGazeOption_" + gazeLinkNumber).css("height", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#rightGazeOption_" + gazeLinkNumber).css("width", blickBrowserSettings.gazeConfirmationSize+"px");

                        $('.gazeLinkOption').stop();

                        $("#leftGazeOption_" + gazeLinkNumber).fadeIn();

                        $("#rightGazeOption_" + gazeLinkNumber).fadeIn();

                        //gazeInformation.gazeLinks[gazeLinkNumber]

                } else {

                        //console.log("GAZEPOS X: "+gazeInformation.gazeLinksPosition.x);

                        $("#leftGazeConfirmation_" + gazeLinkNumber + "_0").css("left", (gazeInformation.gazeLinksPosition.x - $("#leftGazeOption_" + gazeLinkNumber).width() - window.scrollX) - 1 + "px");

                        $("#leftGazeConfirmation_" + gazeLinkNumber + "_0").css("top", (gazeInformation.gazeLinksPosition.y + selectedDivOffset.top - $("#gazeLinks").offset().top) + "px");

                        $("#leftGazeConfirmation_" + gazeLinkNumber + "_0").css("height", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#leftGazeConfirmation_" + gazeLinkNumber + "_0").css("width", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#rightGazeConfirmation_" + gazeLinkNumber + "_0").css("left", (gazeInformation.gazeLinksPosition.x + $("#gazeLinks").width() - window.scrollX) - 1 + "px");

                        $("#rightGazeConfirmation_" + gazeLinkNumber + "_0").css("top", (gazeInformation.gazeLinksPosition.y + selectedDivOffset.top - $("#gazeLinks").offset().top) + "px");

                        $("#rightGazeConfirmation_" + gazeLinkNumber + "_0").css("height", blickBrowserSettings.gazeConfirmationSize+"px");

                        $("#rightGazeConfirmation_" + gazeLinkNumber + "_0").css("width", blickBrowserSettings.gazeConfirmationSize+"px");

                        $('.gazeLinkOption').stop();

                        $("#leftGazeConfirmation_" + gazeLinkNumber + "_0").fadeIn();

                        $("#rightGazeConfirmation_" + gazeLinkNumber + "_0").fadeIn();

                }

        },

        /*

        *        Hide all gazeLinkOption-fields

        */

        hideGazeLinkOptions: function() {

                //console.log("functions.js :: " + "gazeFunctions.hideGazeLinkOptions()");

                $(".gazeLinkOption").css("display", "none");

        },

        /*

        *        Check for links at the current gazePosition

        */

        checkForLinks: function() {

                /*if (!blickBrowserSettings.autoReadingMode) {*/

                        if (!blickBrowserSettings.explicitMode) {

                                if (!gazeCorrectionMode) {

                                        //console.log("functions.js :: "+"gazeFunctions.checkForLinks()" );

                                        if ($("#noFocusHider").css("display") == "none") {

                                                //console.log("functions.js :: "+"gazeFunctions.checkForLinks()"+" :: #noFocusHider is not displayed" );

                                                if (!linkCheckRunning) {

                                                        //console.log("functions.js :: "+"gazeFunctions.checkForLinks()"+" :: linkCheckRunning is false" );

                                                        if (!controlBarShowing) {

                                                                //console.log("functions.js :: "+"gazeFunctions.checkForLinks()"+" :: controlBarShowing is false" );

                                                                if (!wheelSelectorShowing) {

                                                                        //console.log("functions.js :: "+"gazeFunctions.checkForLinks()"+" :: wheelSelectorShowing is false" );

                                                                        if (!gazeLinksShowing) {

                                                                                //console.log("functions.js :: "+"gazeFunctions.checkForLinks()"+" :: gazeLinksShowing is false" );

                                                                                //console.log("Check for links initiated");

                                                                                $("#gazeLinks").css("display", "none");

                                                                                $("#closeGazeLinks").css("display", "none");

                                                                                $("#itemSelector").css("display", "none");

                                                                                $("#gazeLinks").empty();

                                                                                //getLinksFromElementBelow

                                                                                if (blickBrowserSettings.getLinksFromElementBelow === true) {

                                                                                        linkCheckRunning = true;

                                                                                        findLinksInElementBelow();

                                                                                        linkCheckRunning = false;

                                                                                }

                                                                                //getLinksFromArea

                                                                                if (blickBrowserSettings.getLinksFromArea === true) {

                                                                                        linkCheckRunning = true;                                                                                

                                                                                        findLinksInAreaFast();

                                                                                        linkCheckRunning = false;

                                                                                }

                                                                        } else {

                                                                                //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: gazeLinksShowing: " + gazeLinksShowing);

                                                                        }

                                                                } else {

                                                                        //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: wheelSelectorShowing: " + wheelSelectorShowing);

                                                                }

                                                        } else {

                                                                //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: linkCheckRunning: " + linkCheckRunning);

                                                        }

                                                } else {

                                                        //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: gazeCorrectionMode: " + gazeCorrectionMode);

                                                }

                                        }

                                } else {

                                        //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: #noFocusHider: " + $("#noFocusHider").css("display"));

                                }

                        } else {

                                //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: explicitMode: " + blickBrowserSettings.explicitMode);

                        /*}

                } else {*/

                        //console.log("functions.js :: " + "gazeFunctions.checkForLinks()" + " :: autoReadingMode: " + blickBrowserSettings.autoReadingMode);

                }

        },

        /*

        *        Show gazeConfirmations according to it's id and the selected gazeLink and gazeLink-Div position

        *

        *        @id: the id of the gazeOption or gazeConfirmation that should be positioned

        */

        showConfirmationDiv: function(id) {

                console.log("functions.js :: " + "gazeFunctionss.showConfirmationDiv() ID:" + id);

                var selectedDivOffset;

                var split;

                /*

                *        if it is a gazeOption

                */

                if (id.toLowerCase().indexOf("option") > -1) {

                        split = id.split("_");

                        selectedDivOffset = $("#gazeLinkNum_" + parseInt(split[1])).offset();

                        if (id.indexOf("left") > -1) {

                                $("#" + id).css("left", (gazeInformation.gazeLinksPosition.x - window.scrollX - ((blickBrowserSettings.gazeConfirmationSteps + 1) * blickBrowserSettings.gazeConfirmationSize)) - 2 + "px");