const Cc = Components.classes; const Ci = Components.interfaces; const TIMEOUT_INTERVAL_MS = 100; function handleRequest(request, response) { // Allow us to asynchronously construct the response with timeouts // rather than forcing us to make the whole thing in one call. See // bug 396226. response.processAsync(); // Figure out whether the client wants to load the image, or just // to tell us to finish the previous load var query = {}; request.queryString.split('&').forEach(function (val) { var [name, value] = val.split('='); query[name] = unescape(value); }); if (query["continue"] == "true") { // Debugging information so we can figure out the hang dump("file_IconTestServer.js DEBUG - Got continue command\n"); // Get the context structure and finish the old request getObjectState("context", function(obj) { // magic or goop, depending on how you look at it savedCtx = obj.wrappedJSObject; // Write the rest of the data savedCtx.ostream.writeFrom(savedCtx.istream, savedCtx.istream.available()); // Close the streams savedCtx.ostream.close(); savedCtx.istream.close(); // Finish off 'the old response' savedCtx.response.finish(); }); // Finish off 'the current response' response.finish(); return; } // Debugging information so we can figure out the hang dump("file_IconTestServer.js DEBUG - Got initial request\n"); // Context structure - we need to set this up properly to pass to setObjectState var ctx = { QueryInterface: function(iid) { if (iid.equals(Components.interfaces.nsISupports)) return this; throw Components.results.NS_ERROR_NO_INTERFACE; } }; ctx.wrappedJSObject = ctx; // Save the response ctx.response = response; // We're serving up a png response.setHeader("Content-Type", "image/png", false); // Get the output stream ctx.ostream = response.bodyOutputStream; // Ugly hack, but effective - copied from dom/media/test/contentDuration1.sjs var pngFile = Components.classes["@mozilla.org/file/directory_service;1"]. getService(Components.interfaces.nsIProperties). get("CurWorkD", Components.interfaces.nsILocalFile); var paths = "tests/layout/generic/test/file_Dolske.png"; var split = paths.split("/"); for(var i = 0; i < split.length; ++i) { pngFile.append(split[i]); } // Get an input stream for the png data ctx.istream = Cc["@mozilla.org/network/file-input-stream;1"]. createInstance(Components.interfaces.nsIFileInputStream); ctx.istream.init(pngFile, -1, 0, 0); // Write the first 10 bytes, which is just boilerplate/magic bytes ctx.ostream.writeFrom(ctx.istream, 10); // Save the context structure for retrieval when we get pinged setObjectState("context", ctx); // Now we play the waiting game... // Debugging information so we can figure out the hang dump("file_IconTestServer.js DEBUG - Playing the waiting game\n"); }