source: Dev/trunk/src/client/dojox/analytics/plugins/touchPress.js

define(["dojo/_base/lang","../_base", "dojo/_base/config", "dojo/_base/window", "dojo/on", "dojo/touch"
], function(lang, dxa, config, window, on, touch){

        // window startup data
        return (dxa.plugins.touchPress = new (function(){
                if(config["showTouchesDetails"] !== undefined && !config["showTouchesDetails"]){
                        this.showTouchesDetails = false;                        
                }else{
                        this.showTouchesDetails = true;
                }
                this.targetProps = config["targetProps"] || ["id","className","nodeName", "localName","href", "spellcheck", "lang"];
                this.textContentMaxChars = config["textContentMaxChars"] || 50;

                this.addData = lang.hitch(dxa, "addData", "touch.press");
                this.onTouchPress = function(e){
                        this.addData(this.trimEvent(e));
                };

                this.addDataRelease = lang.hitch(dxa, "addData", "touch.release");
                this.onTouchRelease = function(e){
                        this.addDataRelease(this.trimEvent(e));
                };

                on(window.doc, touch.press, lang.hitch(this, "onTouchPress"));
                on(window.doc, touch.release, lang.hitch(this, "onTouchRelease"));

                this.handleTarget = function(t, target, i){
                        var props = this.targetProps;
                        t[i] = {};
                        for(var j = 0;j < props.length;j++){
                                if((typeof target == "object" || typeof target == "function") && props[j] in target){
                                                                 
                                        if(props[j] == "text" || props[j] == "textContent"){
                                                if(target["localName"] && (target["localName"] != "HTML") && (target["localName"] != "BODY")){
                                                        t[i][props[j]] = target[props[j]].substr(0,this.textContentMaxChars);
                                                }
                                        }else{
                                                t[i][props[j]] = target[props[j]];
                                        }
                                }
                        }
                };
                

                this.trimEvent = function(e){
                        var t = {};
                        for(var i in e){
                                switch(i){
                                        case "target":
                                                this.handleTarget(t, e[i], i)
                                                break;
                                                case "touches":
                                                        if(e[i].length !== 0){
                                                                t["touches.length"] = e[i].length;
                                                        }
                                                        if(this.showTouchesDetails){
                                                                for(var j = 0;j < e[i].length;j++){
                                                                        for(var s in e[i][j]){
                                                                                switch(s){
                                                                                        case "target":
                                                                                                this.handleTarget(t, e[i][j].target, "touches["+j+"][target]");
                                                                                        break;  
                                                                                        case "clientX":
                                                                                        case "clientY":
                                                                                        case "screenX":
                                                                                        case "screenY":
                                                                                                if(e[i][j]){
                                                                                                        var val = e[i][j][s];
                                                                                                        t["touches["+j+"]["+s+"]"] = val + '';
                                                                                                }
                                                                                        break;
                                                                                        default:
                                                                                                //console.log("Skipping: ", i);
                                                                                        break;
                                                                                }
                                                                        }
                                                                }
                                                        }
                                                break;
                                        case "clientX":
                                        case "clientY":
                                        case "screenX":
                                        case "screenY":
                                                t[i] = e[i];
                                                break;
                                }
                        }
                        return t;
                };
        })());
});