1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
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, '&').replace(/</g, '<').replace(/>/g, '>');
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) {
console.log ("****** elemid=%s does not exit in HTML page ****", elemid);
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);
}
|
