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-rw-r--r--conf.d/project/htdocs/AudioBinding.js197
1 files changed, 197 insertions, 0 deletions
diff --git a/conf.d/project/htdocs/AudioBinding.js b/conf.d/project/htdocs/AudioBinding.js
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+++ b/conf.d/project/htdocs/AudioBinding.js
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+ var afb = new AFB("api", "mysecret");
+ var ws;
+ var sndcard="HALNotSelected";
+ var evtidx=0;
+ var numid=0;
+
+ function syntaxHighlight(json) {
+ if (typeof json !== 'string') {
+ json = JSON.stringify(json, undefined, 2);
+ }
+ json = json.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+ return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
+ var cls = 'number';
+ if (/^"/.test(match)) {
+ if (/:$/.test(match)) {
+ cls = 'key';
+ } else {
+ cls = 'string';
+ }
+ } else if (/true|false/.test(match)) {
+ cls = 'boolean';
+ } else if (/null/.test(match)) {
+ cls = 'null';
+ }
+ return '<span class="' + cls + '">' + match + '</span>';
+ });
+ }
+
+ function getParameterByName(name, url) {
+ if (!url) {
+ url = window.location.href;
+ }
+ name = name.replace(/[\[\]]/g, "\\$&");
+ var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+ results = regex.exec(url);
+ if (!results) return null;
+ if (!results[2]) return '';
+ return decodeURIComponent(results[2].replace(/\+/g, " "));
+ }
+
+ // default soundcard is "PCH"
+ var devid=getParameterByName("devid");
+ if (!devid) devid="hw:1";
+
+ var haldev=getParameterByName("haldev");
+ if (!haldev) haldev="scarlett-usb";
+
+ var sndname=getParameterByName("sndname");
+ if (!sndname) sndname="PCH";
+
+ var mode=getParameterByName("mode");
+ if (!mode) mode="0";
+
+
+
+
+ function replyok(obj) {
+ console.log("replyok:" + JSON.stringify(obj));
+ document.getElementById("output").innerHTML = "OK: "+ syntaxHighlight(obj);
+ }
+
+ function replyerr(obj) {
+ console.log("replyerr:" + JSON.stringify(obj));
+ document.getElementById("output").innerHTML = "ERROR: "+ syntaxHighlight(obj);
+ }
+
+ function gotevent(obj) {
+ console.log("gotevent:" + JSON.stringify(obj));
+ document.getElementById("outevt").innerHTML = (evtidx++) +": "+JSON.stringify(obj);
+ }
+
+ function send(message) {
+ var api = document.getElementById("api").value;
+ var verb = document.getElementById("verb").value;
+ document.getElementById("question").innerHTML = "subscribe: "+api+"/"+verb + " (" + JSON.stringify(message) +")";
+ ws.call(api+"/"+verb, {data:message}).then(replyok, replyerr);
+ }
+
+
+ // On button click from HTML page
+ function callbinder(api, verb, query) {
+ console.log ("subscribe api="+api+" verb="+verb+" query=" +query);
+ var question = urlws +"/" +api +"/" +verb + "?query=" + JSON.stringify(query);
+ document.getElementById("question").innerHTML = syntaxHighlight(question);
+ ws.call(api+"/"+verb, query).then(replyok, replyerr);
+ }
+
+
+ // Retreive Select value and Text from the binder
+ // Note: selection of value/text for a given context is huggly!!!
+ function querySelectList (elemid, api, verb, query) {
+
+ console.log("querySelectList elemid=%s api=%s verb=%s query=%s", elemid, api, verb, query);
+
+ var selectobj = document.getElementById(elemid);
+ if (!selectobj) {
+ return;
+ }
+
+ // onlick update selected HAL api
+ selectobj.onclick=function(){
+ sndcard= this.value;
+ console.log ("Default Selection=" + sndcard);
+ };
+
+ function gotit (result) {
+
+ // display response as for normal onclick action
+ replyok(result);
+ var response=result.response;
+
+ // fulfill select with avaliable active HAL
+ for (idx=0; idx<response.length; idx++) {
+ var opt = document.createElement('option');
+
+ // Alsa LowLevel selection mode
+ if (response[idx].name) opt.text = response[idx].name;
+ if (response[idx].devid) opt.value = response[idx].devid;
+
+ // HAL selection mode
+ if (response[idx].shortname) opt.text = response[idx].shortname;
+ if (response[idx].api) opt.value = response[idx].api;
+
+ selectobj.appendChild(opt);
+ }
+
+ sndcard= selectobj.value;
+ }
+
+ var question = urlws +"/"+api +"/" +verb + "?query=" + JSON.stringify(query);
+ document.getElementById("question").innerHTML = syntaxHighlight(question);
+
+ // request lowlevel ALSA to get API list
+ ws.call(api+"/"+verb, query).then(gotit, replyerr);
+ }
+
+ function refresh_list (self, api, verb, query) {
+ console.log("refresh_list id=%s api=%s verb=%s query=%s", self.id, api, verb, query);
+
+ if (self.value > 0) return;
+
+ // onlick update selected HAL api
+ self.onclick=function(){
+ numid = parseInt(self.value);
+ console.log ("Default numid=%d", numid);
+ };
+
+ function gotit (result) {
+
+ // display response as for normal onclick action
+ replyok(result);
+ var response=result.response;
+
+
+
+ // fulfill select with avaliable active HAL
+ for (idx=0; idx<response.length; idx++) {
+ var opt = document.createElement('option');
+
+ // Alsa LowLevel selection mode
+ opt.text = response[idx].name + ' id=' + response[idx].id;
+ opt.value = response[idx].id;
+
+ self.appendChild(opt);
+ }
+ self.selectedIndex=2;
+ numid = parseInt (self.value);
+ }
+
+ var question = urlws +"/"+api +"/" +verb + "?query=" + JSON.stringify(query);
+ document.getElementById("question").innerHTML = syntaxHighlight(question);
+
+ // request lowlevel ALSA to get API list
+ ws.call(api+"/"+verb, query).then(gotit, replyerr);
+ }
+
+
+ function init(elemid, api, verb, query) {
+
+ function onopen() {
+ // check for active HALs
+ querySelectList (elemid, api, verb, query);
+
+ document.getElementById("main").style.visibility = "visible";
+ document.getElementById("connected").innerHTML = "Binder WS Active";
+ document.getElementById("connected").style.background = "lightgreen";
+ ws.onevent("*", gotevent);
+ }
+
+ function onabort() {
+ document.getElementById("main").style.visibility = "hidden";
+ document.getElementById("connected").innerHTML = "Connected Closed";
+ document.getElementById("connected").style.background = "red";
+
+ }
+ ws = new afb.ws(onopen, onabort);
+ }