delay-image-response.sjs (2974B)
1 const BinaryOutputStream = Components.Constructor("@mozilla.org/binaryoutputstream;1", "nsIBinaryOutputStream", "setOutputStream"); 2 /* This data is picked from image/test/reftest/generic/check-header.sjs */ 3 const IMAGE_DATA = 4 [ 5 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 6 0x0D, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 7 0x00, 0x64, 0x08, 0x02, 0x00, 0x00, 0x00, 0xFF, 0x80, 0x02, 0x03, 8 0x00, 0x00, 0x00, 0x01, 0x73, 0x52, 0x47, 0x42, 0x00, 0xAE, 0xCE, 9 0x1C, 0xE9, 0x00, 0x00, 0x00, 0x9E, 0x49, 0x44, 0x41, 0x54, 0x78, 10 0xDA, 0xED, 0xD0, 0x31, 0x01, 0x00, 0x00, 0x08, 0x03, 0xA0, 0x69, 11 0xFF, 0xCE, 0x5A, 0xC1, 0xCF, 0x07, 0x22, 0x50, 0x99, 0x70, 0xD4, 12 0x0A, 0x64, 0xC9, 0x92, 0x25, 0x4B, 0x96, 0x2C, 0x05, 0xB2, 0x64, 13 0xC9, 0x92, 0x25, 0x4B, 0x96, 0x02, 0x59, 0xB2, 0x64, 0xC9, 0x92, 14 0x25, 0x4B, 0x81, 0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0xA5, 0x40, 15 0x96, 0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x52, 0x20, 0x4B, 0x96, 0x2C, 16 0x59, 0xB2, 0x64, 0x29, 0x90, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0xB2, 17 0x14, 0xC8, 0x92, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0x0A, 0x64, 0xC9, 18 0x92, 0x25, 0x4B, 0x96, 0x2C, 0x05, 0xB2, 0x64, 0xC9, 0x92, 0x25, 19 0x4B, 0x96, 0x02, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0x25, 0x4B, 0x81, 20 0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0xA5, 0x40, 0x96, 0x2C, 0x59, 21 0xB2, 0x64, 0xC9, 0x52, 0x20, 0x4B, 0x96, 0x2C, 0x59, 0xB2, 0x64, 22 0x29, 0x90, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0xB2, 0x14, 0xC8, 0x92, 23 0x25, 0x4B, 0x96, 0x2C, 0x59, 0x0A, 0x64, 0xC9, 0xFA, 0xB6, 0x89, 24 0x5F, 0x01, 0xC7, 0x24, 0x83, 0xB2, 0x0C, 0x00, 0x00, 0x00, 0x00, 25 0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82, 26 ]; 27 28 /** 29 * The timer is needed when a delay is set. We need it to be out of the method 30 * so it is not eaten alive by the GC. 31 */ 32 var timer; 33 34 function handleRequest(request, response) { 35 var query = {}; 36 request.queryString.split('&').forEach(function (val) { 37 var [name, value] = val.split('='); 38 query[name] = unescape(value); 39 }); 40 41 response.setStatusLine(request.httpVersion, 200, "OK"); 42 response.setHeader("Content-Type", "image/png", false); 43 44 function imageWrite() { 45 var stream = new BinaryOutputStream(response.bodyOutputStream); 46 stream.writeByteArray(IMAGE_DATA); 47 } 48 49 // If there is no delay, we write the image and leave. 50 if (!("delay" in query)) { 51 imageWrite(); 52 return; 53 } 54 55 // If there is a delay, we create a timer which, when it fires, will write 56 // image and leave. 57 response.processAsync(); 58 const nsITimer = Components.interfaces.nsITimer; 59 60 timer = Components.classes["@mozilla.org/timer;1"].createInstance(nsITimer); 61 timer.initWithCallback(function() { 62 imageWrite(); 63 response.finish(); 64 }, query["delay"], nsITimer.TYPE_ONE_SHOT); 65 }