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-rw-r--r--htdocs/AudioBinding.js75
1 files changed, 58 insertions, 17 deletions
diff --git a/htdocs/AudioBinding.js b/htdocs/AudioBinding.js
index 9771726..7105b20 100644
--- a/htdocs/AudioBinding.js
+++ b/htdocs/AudioBinding.js
@@ -1,5 +1,6 @@
var afb = new AFB("api", "mysecret");
var ws;
+ var halapi="HALNotSelected";
var evtidx=0;
function getParameterByName(name, url) {
@@ -26,25 +27,31 @@
var quiet=getParameterByName("quiet");
if (!quiet) quiet="99";
-
- function init() {
- ws = new afb.ws(onopen, onabort);
- }
- function onopen() {
- 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";
+ function init(elemid, api, verb, query) {
+
+ function onopen() {
+ // check for active HALs
+ probeActiveHal (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);
}
-
+
function replyok(obj) {
console.log("replyok:" + JSON.stringify(obj));
document.getElementById("output").innerHTML = "OK: "+JSON.stringify(obj);
@@ -67,9 +74,43 @@
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);
document.getElementById("question").innerHTML = "apicall: " + api+"/"+verb +" ("+ JSON.stringify(query)+")";
ws.call(api+"/"+verb, query).then(replyok, replyerr);
- } \ No newline at end of file
+ }
+
+
+ // Retrieve the list of active HAL
+ function probeActiveHal (elemid, api, verb, query) {
+ var selectobj = document.getElementById(elemid);
+
+ // onlick update selected HAL api
+ selectobj.onclick=function(){
+ halapi= this.value;
+ console.log ("New Default HAL=" + halapi);
+ };
+
+ 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++) {
+ console.log ("probeActiveHal =" + response[idx].shortname);
+ var opt = document.createElement('option');
+ opt.value = response[idx].api;
+ opt.text = response[idx].shortname;
+ selectobj.appendChild(opt);
+ }
+
+ halapi= selectobj.value;
+ }
+
+ // request lowlevel ALSA to get API list
+ ws.call(api+"/"+verb, query).then(gotit, replyerr);
+ }