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
|
var EXPORTED_SYMBOLS = ['RedirectorPrefs'];
function RedirectorPrefs() {
this.init();
}
RedirectorPrefs.prototype = {
_listeners : null,
watch : function(prop_name, cb) {
Object.defineProperty(this, prop_name, {
configurable: true,
set: function(val) {
cb(prop_name, null, val);
},
get: function() {
let pb = this._prefBranch;
switch (pb.getPrefType(prop_name)) {
case pb.PREF_STRING:
return pb.getCharPref(prop_name);
break;
case pb.PREF_INT:
return pb.getIntPref(prop_name);
break;
case pb.PREF_BOOL:
return pb.getBoolPref(prop_name);
break;
}
}});
},
unwatch : function(prop_name) {
delete this[prop_name];
},
init : function() {
this._prefBranch = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService).getBranch("extensions.redirector.");
this.reload();
this._listeners = [];
this.service.addObserver('extensions.redirector', this, false);
},
dispose : function() {
this._listeners = null;
this.service.removeObserver('extensions.redirector', this);
},
reload : function(addWatch) {
var b = this._prefBranch;
for each (var name in b.getChildList('')){
this.unwatch(name);
// var type = b.getPrefType(name);
// if (type == b.PREF_STRING) {
// this[name] = b.getCharPref(name);
// } else if (type == b.PREF_INT) {
// this[name] = b.getIntPref(name);
// } else if (type == b.PREF_BOOL) {
// this[name] = b.getBoolPref(name);
// }
this.watch(name, function(id,oldval,newval) {
var type = b.getPrefType(id);
if (type == b.PREF_STRING) {
b.setCharPref(id,newval);
} else if (type == b.PREF_INT) {
b.setIntPref(id, newval);
} else if (type == b.PREF_BOOL) {
dump(id+ ' ' + newval)
b.setBoolPref(id, newval);
}
return newval;
});
}
},
get service() {
return Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranchInternal);
},
observe : function(subject, topic, data) {
if (topic != 'nsPref:changed') {
return;
}
this.reload(false);
for each (var listener in this._listeners) {
listener && listener.changedPrefs && listener.changedPrefs(this);
}
},
addListener : function(listener) {
this._listeners.push(listener);
},
removeListener : function(listener) {
for (var i = 0; i < this._listeners.length; i++) {
this._listeners.splice(i,1);
if (this._listeners[i] == listener) {
return;
}
}
},
}
|
