The Tor Browser / file comparison
comparison: layout/generic/test/file_IconTestServer.sjs
layout/generic/test/file_IconTestServer.sjs
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:42215948b6e7 |
|---|---|
| 1 const Cc = Components.classes; | |
| 2 const Ci = Components.interfaces; | |
| 3 const TIMEOUT_INTERVAL_MS = 100; | |
| 4 | |
| 5 function handleRequest(request, response) { | |
| 6 | |
| 7 // Allow us to asynchronously construct the response with timeouts | |
| 8 // rather than forcing us to make the whole thing in one call. See | |
| 9 // bug 396226. | |
| 10 response.processAsync(); | |
| 11 | |
| 12 // Figure out whether the client wants to load the image, or just | |
| 13 // to tell us to finish the previous load | |
| 14 var query = {}; | |
| 15 request.queryString.split('&').forEach(function (val) { | |
| 16 var [name, value] = val.split('='); | |
| 17 query[name] = unescape(value); | |
| 18 }); | |
| 19 if (query["continue"] == "true") { | |
| 20 | |
| 21 // Debugging information so we can figure out the hang | |
| 22 dump("file_IconTestServer.js DEBUG - Got continue command\n"); | |
| 23 | |
| 24 // Get the context structure and finish the old request | |
| 25 getObjectState("context", function(obj) { | |
| 26 | |
| 27 // magic or goop, depending on how you look at it | |
| 28 savedCtx = obj.wrappedJSObject; | |
| 29 | |
| 30 // Write the rest of the data | |
| 31 savedCtx.ostream.writeFrom(savedCtx.istream, savedCtx.istream.available()); | |
| 32 | |
| 33 // Close the streams | |
| 34 savedCtx.ostream.close(); | |
| 35 savedCtx.istream.close(); | |
| 36 | |
| 37 // Finish off 'the old response' | |
| 38 savedCtx.response.finish(); | |
| 39 }); | |
| 40 | |
| 41 // Finish off 'the current response' | |
| 42 response.finish(); | |
| 43 return; | |
| 44 } | |
| 45 | |
| 46 // Debugging information so we can figure out the hang | |
| 47 dump("file_IconTestServer.js DEBUG - Got initial request\n"); | |
| 48 | |
| 49 // Context structure - we need to set this up properly to pass to setObjectState | |
| 50 var ctx = { | |
| 51 QueryInterface: function(iid) { | |
| 52 if (iid.equals(Components.interfaces.nsISupports)) | |
| 53 return this; | |
| 54 throw Components.results.NS_ERROR_NO_INTERFACE; | |
| 55 } | |
| 56 }; | |
| 57 ctx.wrappedJSObject = ctx; | |
| 58 | |
| 59 // Save the response | |
| 60 ctx.response = response; | |
| 61 | |
| 62 // We're serving up a png | |
| 63 response.setHeader("Content-Type", "image/png", false); | |
| 64 | |
| 65 // Get the output stream | |
| 66 ctx.ostream = response.bodyOutputStream; | |
| 67 | |
| 68 // Ugly hack, but effective - copied from content/media/test/contentDuration1.sjs | |
| 69 var pngFile = Components.classes["@mozilla.org/file/directory_service;1"]. | |
| 70 getService(Components.interfaces.nsIProperties). | |
| 71 get("CurWorkD", Components.interfaces.nsILocalFile); | |
| 72 var paths = "tests/layout/generic/test/file_Dolske.png"; | |
| 73 var split = paths.split("/"); | |
| 74 for(var i = 0; i < split.length; ++i) { | |
| 75 pngFile.append(split[i]); | |
| 76 } | |
| 77 | |
| 78 // Get an input stream for the png data | |
| 79 ctx.istream = Cc["@mozilla.org/network/file-input-stream;1"]. | |
| 80 createInstance(Components.interfaces.nsIFileInputStream); | |
| 81 ctx.istream.init(pngFile, -1, 0, 0); | |
| 82 | |
| 83 // Write the first 10 bytes, which is just boilerplate/magic bytes | |
| 84 ctx.ostream.writeFrom(ctx.istream, 10); | |
| 85 | |
| 86 // Save the context structure for retrieval when we get pinged | |
| 87 setObjectState("context", ctx); | |
| 88 | |
| 89 // Now we play the waiting game... | |
| 90 | |
| 91 // Debugging information so we can figure out the hang | |
| 92 dump("file_IconTestServer.js DEBUG - Playing the waiting game\n"); | |
| 93 } | |
| 94 |
