Mercurial > hg > batmud > gmap2
annotate lib/util.js @ 305:585a8fb4a286 gmap2
Cleanups.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 11 Sep 2017 13:25:18 +0300 |
| parents | 96ce03724648 |
| children |
| rev | line source |
|---|---|
| 244 | 1 function XCreateXmlHTTPRequest() |
| 2 { | |
| 162 | 3 try { |
| 244 | 4 if (typeof ActiveXObject != 'undefined') |
| 162 | 5 return new ActiveXObject('Microsoft.XMLHTTP'); |
| 244 | 6 else |
| 7 if (window["XMLHttpRequest"]) | |
| 162 | 8 return new XMLHttpRequest(); |
| 244 | 9 } |
| 10 catch (e) { | |
| 162 | 11 changeStatus(e); |
| 12 } | |
| 13 return null; | |
| 244 | 14 } |
| 15 | |
| 162 | 16 |
|
267
96ce03724648
Add error handler callback.
Matti Hamalainen <ccr@tnsp.org>
parents:
244
diff
changeset
|
17 function XDownloadUrl(url, callback, errcallback) |
| 244 | 18 { |
| 162 | 19 var status = -1; |
| 20 var request = XCreateXmlHTTPRequest(); | |
| 21 if (!request) | |
| 22 return false; | |
| 23 | |
| 244 | 24 request.onreadystatechange = function() |
| 25 { | |
| 26 if (request.readyState == 4) | |
| 27 { | |
| 162 | 28 try { |
| 29 status = request.status; | |
| 244 | 30 } |
| 31 catch (e) { | |
| 162 | 32 // Usually indicates request timed out in FF. |
| 33 } | |
| 244 | 34 if (status == 200) |
| 35 { | |
| 162 | 36 callback(request.responseText, request.status); |
| 37 request.onreadystatechange = function() {}; | |
| 38 } | |
|
267
96ce03724648
Add error handler callback.
Matti Hamalainen <ccr@tnsp.org>
parents:
244
diff
changeset
|
39 else |
|
96ce03724648
Add error handler callback.
Matti Hamalainen <ccr@tnsp.org>
parents:
244
diff
changeset
|
40 if (typeof(errcallback) == "function") |
| 305 | 41 errcallback(status); |
| 162 | 42 } |
| 43 } | |
| 244 | 44 |
| 162 | 45 request.open('GET', url, true); |
| 46 try { | |
| 47 request.send(null); | |
| 244 | 48 } |
| 49 catch (e) { | |
| 162 | 50 changeStatus(e); |
| 51 } | |
| 244 | 52 } |