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
|
(function () {
var _registered = {};
Object.defineProperties(signals, {
"emit" : {
value : function(sig, args) {
var sigs = _registered[sig];
var ret = false;
var i = 0;
do {
if (sigs[i].connected) {
ret = sigs[i].callback.apply(this, args) || ret;
i++;
}
else {
sigs.splice(i, 1);
}
} while (i<sigs.length);
if (_registered[sig].length === 0) {
signals[sig] = null;
}
return ret;
}
},
"connect" : {
value : (function () {
var id = 0;
return function(sig, func) {
++id;
if (_registered[sig] === undefined || _registered[sig] === null) {
_registered[sig] = [];
signals[sig] = function () { return signals.emit(sig, arguments); };
}
if (func === null || typeof func !== "function") {
return -1;
}
_registered[sig].push({callback : func, id : id, connected : true });
return id;
};
})()
},
"disconnect" : {
value : function(id) {
var sig, i, sigs;
for (sig in _registered) {
sigs = _registered[sig];
for (i = 0; i<sigs.length; i++) {
if (sigs[i].id == id) {
if (_registered[sig].length === 1) {
signals[sig] = null;
}
else {
sigs[i].connected = false;
}
return true;
}
}
}
return false;
}
},
"disconnectByFunction" : {
value : function(func) {
var sig, i, sigs, ret = false;
for (sig in _registered) {
sigs = _registered[sig];
for (i = 0; i<sigs.length; i++) {
if (sigs[i].callback == func) {
if (_registered[sig].length === 1) {
signals[sig] = null;
}
else {
sigs[i].connected = false;
}
ret = true;
}
}
}
return ret;
}
},
"disconnectByName" : {
value : function (name) {
io.print(name);
if (signals[name] !== null && signals[name] !== undefined) {
signals[name] = null;
return true;
}
return false;
}
}
});
})();
|
