1 | function IMConnector() |
---|
2 | { |
---|
3 | this.__HTTP__ = []; |
---|
4 | this.__THREADS__ = []; |
---|
5 | } |
---|
6 | |
---|
7 | IMConnector.prototype = { |
---|
8 | 'go' : function() |
---|
9 | { |
---|
10 | // connection |
---|
11 | var index = 0; |
---|
12 | var rtlen = 0; |
---|
13 | var ie = false; // ie doesn't has stream |
---|
14 | var __this__ = this; |
---|
15 | function makeConnection(pThread) |
---|
16 | { |
---|
17 | __this__.__HTTP__[pThread] = xhr(); |
---|
18 | } |
---|
19 | function setPost(pThread) |
---|
20 | { |
---|
21 | __this__.__THREADS__[pThread].__METHOD__ = 'POST'; |
---|
22 | return true; |
---|
23 | } |
---|
24 | // this function set __this__.__THREADS__[?].__TYPE__ to 4 for request or 3 for stream |
---|
25 | function setStream(pThread) |
---|
26 | { |
---|
27 | __this__.__THREADS__[pThread].__TYPE__ = ( !ie ) ? 3 : 4; |
---|
28 | return true; |
---|
29 | } |
---|
30 | function trim(pData) |
---|
31 | { |
---|
32 | return pData.replace(/^ +| +$/g, ''); |
---|
33 | } |
---|
34 | function verifyUserHandler(pThread, pHandler) |
---|
35 | { |
---|
36 | var type_of_handler = typeof pHandler; |
---|
37 | var i; |
---|
38 | switch ( type_of_handler ) |
---|
39 | { |
---|
40 | case 'function' : |
---|
41 | return true; |
---|
42 | break; |
---|
43 | case 'object' : |
---|
44 | for ( i in pHandler ) |
---|
45 | if ( i != 'stream' && i != 'request' ) |
---|
46 | return false; |
---|
47 | else if ( i == 'stream' ) |
---|
48 | setStream(pThread); |
---|
49 | return true; |
---|
50 | break; |
---|
51 | default : |
---|
52 | return false; |
---|
53 | } |
---|
54 | } |
---|
55 | // xhr = XMLHttpRequest |
---|
56 | function xhr() |
---|
57 | { |
---|
58 | try |
---|
59 | { |
---|
60 | return new XMLHttpRequest(); |
---|
61 | } |
---|
62 | catch (e) |
---|
63 | { |
---|
64 | ie = true; |
---|
65 | try |
---|
66 | { |
---|
67 | return new ActiveXObject('Msxml2.XMLHTTP'); |
---|
68 | } |
---|
69 | catch (e1) |
---|
70 | { |
---|
71 | try |
---|
72 | { |
---|
73 | return new ActiveXObject('Microsoft.XMLHTTP'); |
---|
74 | } |
---|
75 | catch (e2) |
---|
76 | { |
---|
77 | return null; |
---|
78 | } |
---|
79 | } |
---|
80 | } |
---|
81 | } |
---|
82 | |
---|
83 | function __HANDLER__() |
---|
84 | { |
---|
85 | try |
---|
86 | { |
---|
87 | if ( ie && __this__.__HTTP__[arguments[0]].readyState != 4 ) |
---|
88 | return false; |
---|
89 | |
---|
90 | var threadId = arguments[0]; |
---|
91 | |
---|
92 | if ( !threadId ) |
---|
93 | return false; |
---|
94 | |
---|
95 | if ( __this__.__HTTP__[threadId].readyState == 3 || __this__.__HTTP__[threadId].readyState == 4 ) |
---|
96 | { |
---|
97 | if ( !ie && __this__.__HTTP__[threadId].readyState == 3 && __this__.__THREADS__[threadId].__HANDLER__.stream ) |
---|
98 | { |
---|
99 | var data = trim(__this__.__HTTP__[threadId].responseText.substr(index)); |
---|
100 | rtlen = __this__.__HTTP__[threadId].responseText.length; |
---|
101 | if ( index < rtlen && data.length ) |
---|
102 | { |
---|
103 | __this__.__THREADS__[threadId].__HANDLER__.stream(data); |
---|
104 | index = rtlen; |
---|
105 | } |
---|
106 | } |
---|
107 | if ( __this__.__THREADS__[threadId].__HANDLER__.request && __this__.__HTTP__[threadId].readyState == 4 ) |
---|
108 | { |
---|
109 | switch ( __this__.__HTTP__[threadId].status ) |
---|
110 | { |
---|
111 | case 200: |
---|
112 | var stream = false; |
---|
113 | var request = false; |
---|
114 | var data = ( __this__.__THREADS__[threadId].__MODE__ == 'XML' ) ? |
---|
115 | __this__.__HTTP__[threadId].responseXML : |
---|
116 | __this__.__HTTP__[threadId].responseText; |
---|
117 | |
---|
118 | if ( ie && __this__.__THREADS__[threadId].__HANDLER__.stream ) |
---|
119 | stream = __this__.__THREADS__[threadId].__HANDLER__.stream; |
---|
120 | |
---|
121 | if ( __this__.__THREADS__[threadId].__HANDLER__.request ) |
---|
122 | request = __this__.__THREADS__[threadId].__HANDLER__.request; |
---|
123 | |
---|
124 | delete __this__.__THREADS__[threadId]; |
---|
125 | |
---|
126 | if ( stream ) |
---|
127 | stream(data); |
---|
128 | |
---|
129 | if ( request ) |
---|
130 | request(data); |
---|
131 | |
---|
132 | break; // [case : status 200] |
---|
133 | case 404: |
---|
134 | alert('Page Not Found!'); |
---|
135 | break; // [case : status 404] |
---|
136 | default: |
---|
137 | } |
---|
138 | } |
---|
139 | } |
---|
140 | } |
---|
141 | catch(e) |
---|
142 | { |
---|
143 | //alert("__HANDLER__\n" + threadId + "\n " + e + "\n ErroR: " + e.description); |
---|
144 | //delete __this__.__THREADS__[threadId]; |
---|
145 | } |
---|
146 | }; |
---|
147 | |
---|
148 | var argc = arguments.length; |
---|
149 | if ( argc < 2 || argc > 4 ) |
---|
150 | return {'error':'#0 - invalid params'}; |
---|
151 | |
---|
152 | if ( __this__.__THREADS__[arguments[0]] ) |
---|
153 | return {'error':'#2 - request is running'}; |
---|
154 | |
---|
155 | __this__.__THREADS__[arguments[0]] = { |
---|
156 | '__HANDLER__' : arguments[1], |
---|
157 | '__METHOD__' : 'GET', // __METHOD__ = [GET | POST] |
---|
158 | '__MODE__' : 'TEXT', // __MODE__ = [XML | TEXT] |
---|
159 | '__TYPE__' : 4 // __TYPE__ = [4 for request | 3 for stream] |
---|
160 | }; |
---|
161 | |
---|
162 | makeConnection(arguments[0]); |
---|
163 | |
---|
164 | if ( !verifyUserHandler(arguments[0], arguments[1]) ) |
---|
165 | { |
---|
166 | //delete __this__.__THREADS__[arguments[0]]; |
---|
167 | return {'error':'#1 - invalid handler'}; |
---|
168 | } |
---|
169 | |
---|
170 | if ( argc == 3 ) |
---|
171 | setPost(arguments[0]); |
---|
172 | |
---|
173 | if ( __this__.__HTTP__[arguments[0]] != null ) |
---|
174 | { |
---|
175 | try |
---|
176 | { |
---|
177 | var __TARGET__ = path_im + 'controller.php?act=' + arguments[0]; |
---|
178 | |
---|
179 | var __SEND__ = null; |
---|
180 | __this__.__HTTP__[arguments[0]].open(__this__.__THREADS__[arguments[0]].__METHOD__, __TARGET__, true); |
---|
181 | if ( __this__.__THREADS__[arguments[0]].__METHOD__ == 'POST' ) |
---|
182 | { |
---|
183 | __this__.__HTTP__[arguments[0]].setRequestHeader('Content-Type','application/x-www-form-urlencoded'); |
---|
184 | __this__.__HTTP__[arguments[0]].setRequestHeader('Cache-Control', 'no-store, no-cache, must-revalidate'); |
---|
185 | __this__.__HTTP__[arguments[0]].setRequestHeader('Cache-Control', 'post-check=0, pre-check=0'); |
---|
186 | __this__.__HTTP__[arguments[0]].setRequestHeader('Pragma', 'no-cache'); |
---|
187 | __SEND__ = 'act=' + arguments[0] + '&' + arguments[2]; |
---|
188 | } |
---|
189 | var tst = arguments[0]; |
---|
190 | __this__.__HTTP__[arguments[0]].onreadystatechange = function(){__HANDLER__(tst);}; |
---|
191 | __this__.__HTTP__[arguments[0]].send(__SEND__); |
---|
192 | } |
---|
193 | catch(e) |
---|
194 | { |
---|
195 | alert("go\n" + e.description); |
---|
196 | return {'error':'#3 - ' + e.description}; |
---|
197 | } |
---|
198 | } |
---|
199 | } |
---|
200 | }; |
---|