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
199
200
|
// **********************************************************************
//
// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
//
// jshint browser: true
//
/* global WorkerGlobalScope */
var Ice = require("../Ice/ModuleRegistry").Ice;
//
// Create a timer object that uses the default browser methods. Note that we also
// have to use apply with null as the first argument to workaround an issue where
// IE doesn't like these functions to be called with an unknown object (it reports
// an "Invalid calling object" error).
//
function createTimerObject()
{
var Timer = {};
Timer.setTimeout = function () { setTimeout.apply(null, arguments); };
Timer.clearTimeout = function () { clearTimeout.apply(null, arguments); };
Timer.setInterval = function () { setInterval.apply(null, arguments); };
Timer.clearInterval = function () { clearInterval.apply(null, arguments); };
Timer.setImmediate = typeof(setImmediate) == "function" ?
function () { setImmediate.apply(null, arguments); } :
function () { setTimeout.apply(null, arguments); };
return Timer;
}
Ice.__M.require(module,
[
"../Ice/HashMap",
]);
var HashMap = Ice.HashMap;
var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
var _timers = new HashMap();
var _SetTimeoutType = 0,
_SetIntervalType = 1,
_SetImmediateType = 2,
_ClearTimeoutType = 3,
_ClearIntervalType = 4;
var Timer = {};
var worker;
var _nextId = 0;
var nextId = function()
{
if(_nextId == MAX_SAFE_INTEGER)
{
_nextId = 0;
}
return _nextId++;
};
Timer.setTimeout = function(cb, ms)
{
var id = nextId();
_timers.set(id, cb);
worker.postMessage({type: _SetTimeoutType, id: id, ms: ms});
return id;
};
Timer.clearTimeout = function(id)
{
_timers.delete(id);
worker.postMessage({type: _ClearTimeoutType, id: id});
};
Timer.setInterval = function(cb, ms)
{
var id = nextId();
_timers.set(id, cb);
worker.postMessage({type: _SetIntervalType, id: id, ms: ms});
return id;
};
Timer.clearInterval = function(id)
{
_timers.delete(id);
worker.postMessage({type: _ClearIntervalType, id: id});
};
Timer.setImmediate = function(cb)
{
var id = nextId();
_timers.set(id, cb);
worker.postMessage({type: _SetImmediateType, id: id});
return id;
};
Timer.onmessage = function(e)
{
var cb;
if(e.data.type === _SetIntervalType)
{
cb = _timers.get(e.data.id);
}
else
{
cb = _timers.delete(e.data.id);
}
if(cb !== undefined)
{
cb.call();
}
};
var workerCode = function()
{
return "(" +
function()
{
//
// jshint worker: true
//
var _wSetTimeoutType = 0,
_wSetIntervalType = 1,
_wSetImmediateType = 2,
_wClearTimeoutType = 3,
_wClearIntervalType = 4;
var timers = {};
self.onmessage = function(e)
{
if(e.data.type == _wSetTimeoutType)
{
timers[e.data.id] = setTimeout(function()
{
self.postMessage(e.data);
},
e.data.ms);
}
else if(e.data.type == _wSetIntervalType)
{
timers[e.data.id] = setInterval(function()
{
self.postMessage(e.data);
},
e.data.ms);
}
else if(e.data.type == _wSetImmediateType)
{
self.postMessage(e.data);
}
else if(e.data.type == _wClearTimeoutType)
{
clearTimeout(timers[e.data.id]);
delete timers[e.data.id];
}
else if(e.data.type == _wClearIntervalType)
{
clearInterval(timers[e.data.id]);
delete timers[e.data.id];
}
};
//
// jshint worker: false
//
}.toString() + "());";
};
if(worker === undefined)
{
var url;
try
{
url = URL.createObjectURL(new Blob([workerCode()], {type : 'text/javascript'}));
worker = new Worker(url);
worker.onmessage = Timer.onmessage;
Ice.Timer = Timer;
}
catch(ex)
{
URL.revokeObjectURL(url);
//
// Fallback on setInterval/setTimeout if the worker creating failed. Some IE10 and IE11 don't
// support creating workers from blob URLs for instance.
//
Ice.Timer = createTimerObject();
}
}
|
