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1 /** |
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2 * Any copyright is dedicated to the Public Domain. |
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3 * http://creativecommons.org/publicdomain/zero/1.0/ |
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4 */ |
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5 var xhr = new XMLHttpRequest(); |
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6 |
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7 function onload(event) { |
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8 if (event.target != xhr) { |
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9 throw "onload event.target != xhr"; |
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10 } |
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11 |
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12 if (event.target.status != 200) { |
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13 var message = { type: "error", |
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14 error: event.target.status }; |
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15 postMessage(message); |
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16 } |
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17 |
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18 var message = { type: "load", |
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19 data: xhr.responseText }; |
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20 postMessage(message); |
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21 } |
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22 |
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23 xhr.onload = onload; |
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24 xhr.addEventListener("load", onload, false); |
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25 xhr.removeEventListener("load", onload, false); |
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26 if (!xhr.onload) { |
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27 var message = { type: "error", |
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28 error: "Lost message listener!" }; |
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29 postMessage(message); |
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30 } |
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31 |
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32 xhr.onerror = function(event) { |
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33 if (event.target != xhr) { |
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34 throw "onerror event.target != xhr"; |
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35 } |
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36 var message = { type: "error", |
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37 error: event.target.status }; |
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38 postMessage(message); |
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39 }; |
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40 xhr.onerror = xhr.onerror; |
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41 if (!xhr.onerror || xhr.onerror != xhr.onerror) { |
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42 throw "onerror wasn't set properly"; |
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43 } |
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44 |
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45 function onprogress(event) { |
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46 if (event.target != xhr) { |
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47 throw "onprogress event.target != xhr"; |
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48 } |
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49 var message = { type: "progress", |
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50 current: event.loaded, |
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51 total: event.total }; |
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52 postMessage(message); |
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53 } |
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54 xhr.addEventListener("progress", onprogress, false); |
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55 |
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56 xhr.addEventListener("foopety", function(event) {}, false); |
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57 xhr.removeEventListener("doopety", function(event) {}, false); |
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58 |
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59 xhr.onloadend = function(event) { |
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60 var message = { type: "loadend" }; |
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61 postMessage(message); |
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62 } |
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63 |
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64 var upload = xhr.upload; |
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65 upload.onprogress = function(event) { }; |
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66 upload.addEventListener("foo", function(event) { }, false); |
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67 upload.removeEventListener("foo", function(event) { }, false); |
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68 upload.addEventListener("load", function(event) { }, false); |
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69 upload.removeEventListener("foo", function(event) { }, false); |
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70 upload.onload = function(event) { |
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71 var message = { type: "upload.load" }; |
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72 postMessage(message); |
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73 } |
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74 |
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75 onmessage = function(event) { |
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76 if (xhr.DONE != 4 || XMLHttpRequest.DONE != 4) { |
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77 throw "xhr constants not correct!"; |
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78 } |
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79 if (xhr.readystate > xhr.UNSENT) { |
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80 throw "XHR already running!"; |
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81 } |
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82 xhr.open("POST", event.data); |
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83 xhr.send("Data to send"); |
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84 } |