diff --git a/printer_webui/printer.py b/printer_webui/printer.py index ace1bb2..a406f5b 100644 --- a/printer_webui/printer.py +++ b/printer_webui/printer.py @@ -22,62 +22,80 @@ def getConnectionOptions(): "baudratePreference": settings().getInt("serial", "baudrate") } -def _getFormattedTimeDelta(d): - hours = d.seconds // 3600 - minutes = (d.seconds % 3600) // 60 - seconds = d.seconds % 60 - return "%02d:%02d:%02d" % (hours, minutes, seconds) - class Printer(): def __init__(self): # state - self.temps = { + self._temp = None + self._bedTemp = None + self._targetTemp = None + self._targetBedTemp = None + self._temps = { "actual": [], "target": [], "actualBed": [], "targetBed": [] } - self.messages = [] - self.log = [] - self.state = None - self.currentZ = None - self.progress = None - self.printTime = None - self.printTimeLeft = None - self.currentTemp = None - self.currentBedTemp = None - self.currentTargetTemp = None - self.currentBedTargetTemp = None - self.gcode = None - self.gcodeList = None - self.filename = None + self._latestMessage = None + self._messages = [] - self.gcodeLoader = None + self._latestLog = None + self._log = [] - self.feedrateModifierMapping = {"outerWall": "WALL-OUTER", "innerWall": "WALL_INNER", "fill": "FILL", "support": "SUPPORT"} + self._state = None - self.timelapse = None + self._currentZ = None + + self._progress = None + self._printTime = None + self._printTimeLeft = None + + # gcode handling + self._gcode = None + self._gcodeList = None + self._filename = None + self._gcodeLoader = None + + # feedrate + self._feedrateModifierMapping = {"outerWall": "WALL-OUTER", "innerWall": "WALL_INNER", "fill": "FILL", "support": "SUPPORT"} + + # timelapse + self._timelapse = None # comm - self.comm = None + self._comm = None + + # callbacks + self._callbacks = [] + + #~~ callback registration + + def registerCallback(self, callback): + self._callbacks.append(callback) + self._sendInitialStateUpdate(callback) + + def unregisterCallback(self, callback): + if callback in self._callbacks: + self._callbacks.remove(callback) + + #~~ printer commands def connect(self, port=None, baudrate=None): """ Connects to the printer. If port and/or baudrate is provided, uses these settings, otherwise autodetection will be attempted. """ - if self.comm is not None: - self.comm.close() - self.comm = comm.MachineCom(port, baudrate, callbackObject=self) + if self._comm is not None: + self._comm.close() + self._comm = comm.MachineCom(port, baudrate, callbackObject=self) def disconnect(self): """ Closes the connection to the printer. """ - if self.comm is not None: - self.comm.close() - self.comm = None + if self._comm is not None: + self._comm.close() + self._comm = None def command(self, command): """ @@ -90,152 +108,272 @@ class Printer(): Sends multiple gcode commands (provided as a list) to the printer. """ for command in commands: - self.comm.sendCommand(command) + self._comm.sendCommand(command) def setFeedrateModifier(self, structure, percentage): - if (not self.feedrateModifierMapping.has_key(structure)) or percentage < 0: + if (not self._feedrateModifierMapping.has_key(structure)) or percentage < 0: return - self.comm.setFeedrateModifier(self.feedrateModifierMapping[structure], percentage / 100.0) + self._comm.setFeedrateModifier(self._feedrateModifierMapping[structure], percentage / 100.0) + + def loadGcode(self, file): + """ + Loads the gcode from the given file as the new print job. + Aborts if the printer is currently printing or another gcode file is currently being loaded. + """ + if (self._comm is not None and self._comm.isPrinting()) or (self._gcodeLoader is not None): + return + + self._setJobData(None, None, None) + + self._gcodeLoader = GcodeLoader(file, self) + self._gcodeLoader.start() + + def startPrint(self): + """ + Starts the currently loaded print job. + Only starts if the printer is connected and operational, not currently printing and a printjob is loaded + """ + if self._comm is None or not self._comm.isOperational(): + return + if self._gcodeList is None: + return + if self._comm.isPrinting(): + return + + self._setCurrentZ(-1) + self._comm.printGCode(self._gcodeList) + + def togglePausePrint(self): + """ + Pause the current printjob. + """ + if self._comm is None: + return + self._comm.setPause(not self._comm.isPaused()) + + def cancelPrint(self, disableMotorsAndHeater=True): + """ + Cancel the current printjob. + """ + if self._comm is None: + return + self._comm.cancelPrint() + if disableMotorsAndHeater: + self.commands(["M84", "M104 S0", "M140 S0"]) # disable motors, switch off heaters + + # reset line, height, print time + self._setCurrentZ(None) + self._setProgressData(None, None, None) + + #~~ state monitoring def setTimelapse(self, timelapse): - if self.timelapse is not None and self.isPrinting(): - self.timelapse.onPrintjobStopped() - del self.timelapse - self.timelapse = timelapse + if self._timelapse is not None and self.isPrinting(): + self._timelapse.onPrintjobStopped() + del self._timelapse + self._timelapse = timelapse def getTimelapse(self): - return self.timelapse + return self._timelapse - def mcLog(self, message): + def _setCurrentZ(self, currentZ): + self._currentZ = currentZ + + for callback in self._callbacks: + try: callback.zChangeCB(self._currentZ) + except: pass + + def _setState(self, state): + self._state = state + + for callback in self._callbacks: + try: callback.stateChangeCB(self._state, self.getStateString(), self._getStateFlags()) + except: pass + + def _addLog(self, log): """ - Callback method for the comm object, called upon log output. Log line is stored in internal buffer, which is truncated to the last 300 lines. """ - self.log.append(message) - self.log = self.log[-300:] + self._latestLog = log + self._log.append(log) + self._log = self._log[-300:] - def mcTempUpdate(self, temp, bedTemp, targetTemp, bedTargetTemp): + for callback in self._callbacks: + try: callback.logChangeCB(log, self._log) + except: pass + + def _addMessage(self, message): + self._latestMessage = message + self._messages.append(message) + self._messages = self._messages[-300:] + + for callback in self._callbacks: + try: callback.messageChangeCB(message, self._messages) + except: pass + + def _setProgressData(self, progress, printTime, printTimeLeft): + self._progress = progress + self._printTime = printTime + self._printTimeLeft = printTimeLeft + + for callback in self._callbacks: + try: callback.progressChangeCB(self._progress, self._printTime, self._printTimeLeft) + except: pass + + + def _addTemperatureData(self, temp, bedTemp, targetTemp, bedTargetTemp): """ - Callback method for the comm object, called upon receiving new temperature information. Temperature information (actual and target) for print head and print bed is stored in corresponding temperature history (including timestamp), history is truncated to 300 entries. """ currentTime = int(time.time() * 1000) - self.temps["actual"].append((currentTime, temp)) - self.temps["actual"] = self.temps["actual"][-300:] + self._temps["actual"].append((currentTime, temp)) + self._temps["actual"] = self._temps["actual"][-300:] - self.temps["target"].append((currentTime, targetTemp)) - self.temps["target"] = self.temps["target"][-300:] + self._temps["target"].append((currentTime, targetTemp)) + self._temps["target"] = self._temps["target"][-300:] - self.temps["actualBed"].append((currentTime, bedTemp)) - self.temps["actualBed"] = self.temps["actualBed"][-300:] + self._temps["actualBed"].append((currentTime, bedTemp)) + self._temps["actualBed"] = self._temps["actualBed"][-300:] - self.temps["targetBed"].append((currentTime, bedTargetTemp)) - self.temps["targetBed"] = self.temps["targetBed"][-300:] + self._temps["targetBed"].append((currentTime, bedTargetTemp)) + self._temps["targetBed"] = self._temps["targetBed"][-300:] - self.currentTemp = temp - self.currentTargetTemp = targetTemp - self.currentBedTemp = bedTemp - self.currentBedTargetTemp = bedTargetTemp + self._temp = temp + self._bedTemp = bedTemp + self._targetTemp = targetTemp + self._targetBedTemp = bedTargetTemp + + for callback in self._callbacks: + try: callback.temperatureChangeCB(self._temp, self._bedTemp, self._targetTemp, self._targetBedTemp, self._temps) + except: pass + + def _setJobData(self, filename, gcode, gcodeList): + self._filename = filename + self._gcode = gcode + self._gcodeList = gcodeList + + for callback in self._callbacks: + try: callback.jobDataChangeCB(filename, len(gcodeList), self._gcode.totalMoveTimeMinute, self._gcode.extrusionAmount) + except: pass + + def _sendInitialStateUpdate(self, callback): + lines = None + if self._gcodeList: + lines = len(self._gcodeList) + + estimatedPrintTime = None + filament = None + if self._gcode: + estimatedPrintTime = self._gcode.totalMoveTimeMinute + filament = self._gcode.extrusionAmount + + try: + callback.zChangeCB(self._currentZ) + callback.stateChangeCB(self._state, self.getStateString(), self._getStateFlags()) + callback.logChangeCB(self._latestLog, self._log) + callback.messageChangeCB(self._latestMessage, self._messages) + callback.progressChangeCB(self._progress, self._printTime, self._printTimeLeft) + callback.temperatureChangeCB(self._temp, self._bedTemp, self._targetTemp, self._targetBedTemp, self._temps) + callback.jobDataChangeCB(self._filename, lines, estimatedPrintTime, filament) + except Exception, err: + import sys + sys.stderr.write("ERROR: %s\n" % str(err)) + pass + + def _getStateFlags(self): + return { + "operational": self.isOperational(), + "printing": self.isPrinting(), + "closedOrError": self.isClosedOrError(), + "error": self.isError(), + "loading": self.isLoading(), + "paused": self.isPaused(), + "ready": self.isReady() + } + + #~~ callbacks triggered from self._comm + + def mcLog(self, message): + """ + Callback method for the comm object, called upon log output. + """ + self._addLog(message) + + def mcTempUpdate(self, temp, bedTemp, targetTemp, bedTargetTemp): + self._addTemperatureData(temp, bedTemp, targetTemp, bedTargetTemp) def mcStateChange(self, state): """ Callback method for the comm object, called if the connection state changes. - New state is stored for retrieval by the frontend. """ - oldState = self.state - self.state = state + oldState = self._state + + if self._timelapse is not None: + if oldState == self._comm.STATE_PRINTING: + self._timelapse.onPrintjobStopped() + elif state == self._comm.STATE_PRINTING: + self._timelapse.onPrintjobStarted(self._filename) + + self._setState(state) - if self.timelapse is not None: - if oldState == self.comm.STATE_PRINTING: - self.timelapse.onPrintjobStopped() - elif state == self.comm.STATE_PRINTING: - self.timelapse.onPrintjobStarted(self.filename) def mcMessage(self, message): """ Callback method for the comm object, called upon message exchanges via serial. Stores the message in the message buffer, truncates buffer to the last 300 lines. """ - self.messages.append(message) - self.messages = self.messages[-300:] + self._addMessage(message) def mcProgress(self, lineNr): """ Callback method for the comm object, called upon any change in progress of the printjob. Triggers storage of new values for printTime, printTimeLeft and the current line. """ - self.printTime = self.comm.getPrintTime() - self.printTimeLeft = self.comm.getPrintTimeRemainingEstimate() - oldProgress = self.progress; - self.progress = self.comm.getPrintPos() - if self.timelapse is not None: - self.timelapse.onPrintjobProgress(oldProgress, self.progress, int(round(self.progress * 100 / len(self.gcodeList)))) + oldProgress = self._progress + + if self._timelapse is not None: + try: self._timelapse.onPrintjobProgress(oldProgress, self._progress, int(round(self._progress * 100 / len(self._gcodeList)))) + except: pass + + self._setProgressData(self._comm.getPrintPos(), self._comm.getPrintTime(), self._comm.getPrintTimeRemainingEstimate()) + def mcZChange(self, newZ): """ Callback method for the comm object, called upon change of the z-layer. """ oldZ = self.currentZ - self.currentZ = newZ - if self.timelapse is not None: - self.timelapse.onZChange(oldZ, self.currentZ) + if self._timelapse is not None: + self._timelapse.onZChange(oldZ, newZ) - def onGcodeLoaded(self, gcodeLoader): - """ - Callback method for the gcode loader, gets called when the gcode for the new printjob has finished loading. - Takes care to set filename, gcode and commandlist from the gcode loader and reset print job progress. - """ - self.filename = gcodeLoader.filename - self.gcode = gcodeLoader.gcode - self.gcodeList = gcodeLoader.gcodeList - self.currentZ = None - self.progress = None - self.printTime = None - self.printTimeLeft = None + self._setCurrentZ(newZ) - self.gcodeLoader = None + #~~ callbacks triggered by gcodeLoader - def jobData(self): - """ - Returns statistics regarding the currently loaded printjob, or None if no printjob is loaded. - """ - if self.gcode is not None: - formattedPrintTime = None - if (self.printTime): - formattedPrintTime = _getFormattedTimeDelta(datetime.timedelta(seconds=self.printTime)) + def onGcodeLoadingProgress(self, progress): + for callback in self._callbacks: + try: callback.gcodeChangeCB(self._gcodeLoader._filename, progress) + except Exception, err: + import sys + sys.stderr.write("ERROR: %s\n" % str(err)) + pass - formattedPrintTimeLeft = None - if (self.printTimeLeft): - formattedPrintTimeLeft = _getFormattedTimeDelta(datetime.timedelta(minutes=self.printTimeLeft)) + def onGcodeLoaded(self): + self._setJobData(self._gcodeLoader._filename, self._gcodeLoader._gcode, self._gcodeLoader._gcodeList) + self._setCurrentZ(None) + self._setProgressData(None, None, None) - formattedPrintTimeEstimation = None - formattedFilament = None - if self.gcode: - if self.gcode.totalMoveTimeMinute: - formattedPrintTimeEstimation = _getFormattedTimeDelta(datetime.timedelta(minutes=self.gcode.totalMoveTimeMinute)) - if self.gcode.extrusionAmount: - formattedFilament = "%.2fm" % (self.gcode.extrusionAmount / 1000) + self._gcodeLoader = None - formattedCurrentZ = None - if self.currentZ: - formattedCurrentZ = "%.2f mm" % (self.currentZ) + for callback in self._callbacks: + try: callback.stateChangeCB(self._state, self.getStateString(), self._getStateFlags()) + except: pass + + #~~ state reports - data = { - "filename": self.filename, - "currentZ": formattedCurrentZ, - "line": self.progress, - "totalLines": len(self.gcodeList), - "printTime": formattedPrintTime, - "printTimeLeft": formattedPrintTimeLeft, - "filament": formattedFilament, - "estimatedPrintTime": formattedPrintTimeEstimation - } - else: - data = None - return data def gcodeState(self): if self.gcodeLoader is not None: @@ -247,12 +385,12 @@ class Printer(): return None def feedrateState(self): - if self.comm is not None: - feedrateModifiers = self.comm.getFeedrateModifiers() + if self._comm is not None: + feedrateModifiers = self._comm.getFeedrateModifiers() result = {} - for structure in self.feedrateModifierMapping.keys(): - if (feedrateModifiers.has_key(self.feedrateModifierMapping[structure])): - result[structure] = int(round(feedrateModifiers[self.feedrateModifierMapping[structure]] * 100)) + for structure in self._feedrateModifierMapping.keys(): + if (feedrateModifiers.has_key(self._feedrateModifierMapping[structure])): + result[structure] = int(round(feedrateModifiers[self._feedrateModifierMapping[structure]] * 100)) else: result[structure] = 100 return result @@ -263,84 +401,31 @@ class Printer(): """ Returns a human readable string corresponding to the current communication state. """ - if self.comm is None: + if self._comm is None: return "Offline" else: - return self.comm.getStateString() + return self._comm.getStateString() def isClosedOrError(self): - return self.comm is None or self.comm.isClosedOrError() + return self._comm is None or self._comm.isClosedOrError() def isOperational(self): - return self.comm is not None and self.comm.isOperational() + return self._comm is not None and self._comm.isOperational() def isPrinting(self): - return self.comm is not None and self.comm.isPrinting() + return self._comm is not None and self._comm.isPrinting() def isPaused(self): - return self.comm is not None and self.comm.isPaused() + return self._comm is not None and self._comm.isPaused() def isError(self): - return self.comm is not None and self.comm.isError() + return self._comm is not None and self._comm.isError() def isReady(self): - return self.gcodeLoader is None and self.gcodeList and len(self.gcodeList) > 0 + return self._gcodeLoader is None and self._gcodeList and len(self._gcodeList) > 0 def isLoading(self): - return self.gcodeLoader is not None - - def loadGcode(self, file): - """ - Loads the gcode from the given file as the new print job. - Aborts if the printer is currently printing or another gcode file is currently being loaded. - """ - if (self.comm is not None and self.comm.isPrinting()) or (self.gcodeLoader is not None): - return - - self.filename = None - self.gcode = None - self.gcodeList = None - - self.gcodeLoader = GcodeLoader(file, self) - self.gcodeLoader.start() - - def startPrint(self): - """ - Starts the currently loaded print job. - Only starts if the printer is connected and operational, not currently printing and a printjob is loaded - """ - if self.comm is None or not self.comm.isOperational(): - return - if self.gcodeList is None: - return - if self.comm.isPrinting(): - return - self.currentZ = -1 - self.comm.printGCode(self.gcodeList) - - def togglePausePrint(self): - """ - Pause the current printjob. - """ - if self.comm is None: - return - self.comm.setPause(not self.comm.isPaused()) - - def cancelPrint(self, disableMotorsAndHeater=True): - """ - Cancel the current printjob. - """ - if self.comm is None: - return - self.comm.cancelPrint() - if disableMotorsAndHeater: - self.commands(["M84", "M104 S0", "M140 S0"]) # disable motors, switch off heaters - - # reset line, height, print time - self.currentZ = None - self.progress = None - self.printTime = None - self.printTimeLeft = None + return self._gcodeLoader is not None class GcodeLoader(Thread): """ @@ -352,19 +437,19 @@ class GcodeLoader(Thread): def __init__(self, filename, printerCallback): Thread.__init__(self); - self.printerCallback = printerCallback; + self._printerCallback = printerCallback; - self.filename = filename - self.progress = None + self._filename = filename + self._progress = None - self.gcode = None - self.gcodeList = None + self._gcode = None + self._gcodeList = None def run(self): #Send an initial M110 to reset the line counter to zero. prevLineType = lineType = "CUSTOM" gcodeList = ["M110"] - with open(self.filename, "r") as file: + with open(self._filename, "r") as file: for line in file: if line.startswith(";TYPE:"): lineType = line[6:].strip() @@ -378,13 +463,38 @@ class GcodeLoader(Thread): gcodeList.append(line) prevLineType = lineType - self.gcodeList = gcodeList - self.gcode = gcodeInterpreter.gcode() - self.gcode.progressCallback = self.onProgress - self.gcode.loadList(self.gcodeList) + self._gcodeList = gcodeList + self._gcode = gcodeInterpreter.gcode() + self._gcode.progressCallback = self.onProgress + self._gcode.loadList(self._gcodeList) - self.printerCallback.onGcodeLoaded(self) + self._printerCallback.onGcodeLoaded() def onProgress(self, progress): - self.progress = progress + self._progress = progress + self._printerCallback.onGcodeLoadingProgress(progress) +class PrinterCallback(object): + def zChangeCB(self, newZ): + pass + + def progressChangeCB(self, currentLine, printTime, printTimeLeft): + pass + + def temperatureChangeCB(self, temp, bedTemp, targetTemp, bedTargetTemp, history): + pass + + def stateChangeCB(self, state, stateString, booleanStates): + pass + + def logChangeCB(self, line, history): + pass + + def messageChangeCB(self, line, history): + pass + + def gcodeChangeCB(self, filename, progress): + pass + + def jobDataChangeCB(self, filename, lines, estimatedPrintTime, filamentLength): + pass \ No newline at end of file diff --git a/printer_webui/server.py b/printer_webui/server.py index 6e68b34..b8fb6d1 100644 --- a/printer_webui/server.py +++ b/printer_webui/server.py @@ -4,13 +4,16 @@ __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agp from flask import Flask, request, render_template, jsonify, send_from_directory, abort, url_for from werkzeug import secure_filename - -from printer_webui.printer import Printer, getConnectionOptions -from printer_webui.settings import settings -import timelapse +import tornadio2 import os import fnmatch +import datetime +import time + +from printer_webui.printer import Printer, getConnectionOptions, PrinterCallback +from printer_webui.settings import settings +import printer_webui.timelapse as timelapse BASEURL = "/ajax/" SUCCESS = {} @@ -30,64 +33,78 @@ def index(): #~~ Printer state -@app.route(BASEURL + "state", methods=["GET"]) -def printerState(): - temp = printer.currentTemp - bedTemp = printer.currentBedTemp - targetTemp = printer.currentTargetTemp - bedTargetTemp = printer.currentBedTargetTemp - jobData = printer.jobData() - gcodeState = printer.gcodeState() - feedrateState = printer.feedrateState() +class PrinterStateConnection(tornadio2.SocketConnection, PrinterCallback): + def __init__(self, session, endpoint=None): + tornadio2.SocketConnection.__init__(self, session, endpoint) + self._lastProgressReport = None - result = { - "state": printer.getStateString(), - "temp": temp, - "bedTemp": bedTemp, - "targetTemp": targetTemp, - "targetBedTemp": bedTargetTemp, - "operational": printer.isOperational(), - "closedOrError": printer.isClosedOrError(), - "error": printer.isError(), - "printing": printer.isPrinting(), - "paused": printer.isPaused(), - "ready": printer.isReady(), - "loading": printer.isLoading() - } + def on_open(self, info): + printer.registerCallback(self) - if jobData is not None: - jobData["filename"] = jobData["filename"].replace(UPLOAD_FOLDER + os.sep, "") - result["job"] = jobData + def on_close(self): + printer.unregisterCallback(self) - if gcodeState is not None: - gcodeState["filename"] = gcodeState["filename"].replace(UPLOAD_FOLDER + os.sep, "") - result["gcode"] = gcodeState + def zChangeCB(self, currentZ): + formattedCurrentZ = None + if currentZ: + formattedCurrentZ = "%.2f mm" % (currentZ) - if feedrateState is not None: - result["feedrate"] = feedrateState + self.emit("zChange", {"currentZ": formattedCurrentZ}) - if request.values.has_key("temperatures"): - result["temperatures"] = printer.temps + def progressChangeCB(self, currentLine, printTimeInSeconds, printTimeLeftInMinutes): + if self._lastProgressReport and time.time() + 0.5 < self._lastProgressReport: + return - if request.values.has_key("log"): - result["log"] = printer.log + formattedPrintTime = None + if (printTimeInSeconds): + formattedPrintTime = _getFormattedTimeDelta(datetime.timedelta(seconds=printTimeInSeconds)) - if request.values.has_key("messages"): - result["messages"] = printer.messages + formattedPrintTimeLeft = None + if (printTimeLeftInMinutes): + formattedPrintTimeLeft = _getFormattedTimeDelta(datetime.timedelta(minutes=printTimeLeftInMinutes)) - return jsonify(result) + self._lastProgressReport = time.time() + self.emit("printProgress", { + "currentLine": currentLine, + "printTime": formattedPrintTime, + "printTimeLeft": formattedPrintTimeLeft + }) -@app.route(BASEURL + "state/messages", methods=["GET"]) -def printerMessages(): - return jsonify(messages=printer.messages) + def temperatureChangeCB(self, temp, bedTemp, targetTemp, bedTargetTemp, history): + self.emit("temperature", { + "currentTemp": temp, + "currentBedTemp": bedTemp, + "currentTargetTemp": targetTemp, + "currentTargetBedTemp": bedTargetTemp, + "history": history + }) -@app.route(BASEURL + "state/log", methods=["GET"]) -def printerLogs(): - return jsonify(log=printer.log) + def stateChangeCB(self, state, stateString, booleanStates): + self.emit("state", {"currentState": stateString, "flags": booleanStates}) -@app.route(BASEURL + "state/temperatures", methods=["GET"]) -def printerTemperatures(): - return jsonify(temperatures = printer.temps) + def logChangeCB(self, line, history): + self.emit("log", {"line": line, "history": history}) + + def messageChangeCB(self, line, history): + self.emit("message", {"line": line, "history": history}) + + def gcodeChangeCB(self, filename, progress): + self.emit("jobData", {"filename": "Loading... (%d%%)" % (round(progress * 100)), "lineCount": None, "estimatedPrintTime": None, "filament": None}) + + def jobDataChangeCB(self, filename, lines, estimatedPrintTimeInMinutes, filamentLengthInMillimeters): + formattedPrintTimeEstimation = None + if estimatedPrintTimeInMinutes: + formattedPrintTimeEstimation = _getFormattedTimeDelta(datetime.timedelta(minutes=estimatedPrintTimeInMinutes)) + + formattedFilament = None + if filamentLengthInMillimeters: + formattedFilament = "%.2fm" % (filamentLengthInMillimeters / 1000) + + formattedFilename = None + if filename: + formattedFilename = filename.replace(UPLOAD_FOLDER + os.sep, "") + + self.emit("jobData", {"filename": formattedFilename, "lineCount": lines, "estimatedPrintTime": formattedPrintTimeEstimation, "filament": formattedFilament}) #~~ Printer control @@ -315,6 +332,12 @@ def setSettings(): #~~ helper functions +def _getFormattedTimeDelta(d): + hours = d.seconds // 3600 + minutes = (d.seconds % 3600) // 60 + seconds = d.seconds % 60 + return "%02d:%02d:%02d" % (hours, minutes, seconds) + def sizeof_fmt(num): """ Taken from http://stackoverflow.com/questions/1094841/reusable-library-to-get-human-readable-version-of-file-size @@ -331,8 +354,21 @@ def allowed_file(filename, extensions): #~~ startup code def run(host = "0.0.0.0", port = 5000, debug = False): + from tornado.wsgi import WSGIContainer + from tornado.httpserver import HTTPServer + from tornado.ioloop import IOLoop + from tornado.web import Application, FallbackHandler + + print "Listening on http://%s:%d" % (host, port) app.debug = debug - app.run(host=host, port=port, use_reloader=False) + + router = tornadio2.TornadioRouter(PrinterStateConnection) + tornado_app = Application(router.urls + [ + (".*", FallbackHandler, {"fallback": WSGIContainer(app)}) + ]) + server = HTTPServer(tornado_app) + server.listen(port, address=host) + IOLoop.instance().start() def main(): from optparse import OptionParser diff --git a/printer_webui/static/css/ui.css b/printer_webui/static/css/ui.css index 5434690..39e3f0b 100644 --- a/printer_webui/static/css/ui.css +++ b/printer_webui/static/css/ui.css @@ -122,3 +122,7 @@ table th.timelapse_files_action, table td.timelapse_files_action { text-align: center; width: 20%; } + +#webcam_container { + width: 100%; +} \ No newline at end of file diff --git a/printer_webui/static/js/WebSocketMain.swf b/printer_webui/static/js/WebSocketMain.swf new file mode 100644 index 0000000..20a451f Binary files /dev/null and b/printer_webui/static/js/WebSocketMain.swf differ diff --git a/printer_webui/static/js/WebSocketMainInsecure.swf b/printer_webui/static/js/WebSocketMainInsecure.swf new file mode 100644 index 0000000..5949ff3 Binary files /dev/null and b/printer_webui/static/js/WebSocketMainInsecure.swf differ diff --git a/printer_webui/static/js/socket.io.js b/printer_webui/static/js/socket.io.js new file mode 100644 index 0000000..6ea5dd0 --- /dev/null +++ b/printer_webui/static/js/socket.io.js @@ -0,0 +1,3871 @@ +/*! Socket.IO.js build:0.9.11, development. Copyright(c) 2011 LearnBoost MIT Licensed */ + +var io = ('undefined' === typeof module ? {} : module.exports); +(function() { + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, global) { + + /** + * IO namespace. + * + * @namespace + */ + + var io = exports; + + /** + * Socket.IO version + * + * @api public + */ + + io.version = '0.9.11'; + + /** + * Protocol implemented. + * + * @api public + */ + + io.protocol = 1; + + /** + * Available transports, these will be populated with the available transports + * + * @api public + */ + + io.transports = []; + + /** + * Keep track of jsonp callbacks. + * + * @api private + */ + + io.j = []; + + /** + * Keep track of our io.Sockets + * + * @api private + */ + io.sockets = {}; + + + /** + * Manages connections to hosts. + * + * @param {String} uri + * @Param {Boolean} force creation of new socket (defaults to false) + * @api public + */ + + io.connect = function (host, details) { + var uri = io.util.parseUri(host) + , uuri + , socket; + + if (global && global.location) { + uri.protocol = uri.protocol || global.location.protocol.slice(0, -1); + uri.host = uri.host || (global.document + ? global.document.domain : global.location.hostname); + uri.port = uri.port || global.location.port; + } + + uuri = io.util.uniqueUri(uri); + + var options = { + host: uri.host + , secure: 'https' == uri.protocol + , port: uri.port || ('https' == uri.protocol ? 443 : 80) + , query: uri.query || '' + }; + + io.util.merge(options, details); + + if (options['force new connection'] || !io.sockets[uuri]) { + socket = new io.Socket(options); + } + + if (!options['force new connection'] && socket) { + io.sockets[uuri] = socket; + } + + socket = socket || io.sockets[uuri]; + + // if path is different from '' or / + return socket.of(uri.path.length > 1 ? uri.path : ''); + }; + +})('object' === typeof module ? module.exports : (this.io = {}), this); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, global) { + + /** + * Utilities namespace. + * + * @namespace + */ + + var util = exports.util = {}; + + /** + * Parses an URI + * + * @author Steven Levithan (MIT license) + * @api public + */ + + var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; + + var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', + 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', + 'anchor']; + + util.parseUri = function (str) { + var m = re.exec(str || '') + , uri = {} + , i = 14; + + while (i--) { + uri[parts[i]] = m[i] || ''; + } + + return uri; + }; + + /** + * Produces a unique url that identifies a Socket.IO connection. + * + * @param {Object} uri + * @api public + */ + + util.uniqueUri = function (uri) { + var protocol = uri.protocol + , host = uri.host + , port = uri.port; + + if ('document' in global) { + host = host || document.domain; + port = port || (protocol == 'https' + && document.location.protocol !== 'https:' ? 443 : document.location.port); + } else { + host = host || 'localhost'; + + if (!port && protocol == 'https') { + port = 443; + } + } + + return (protocol || 'http') + '://' + host + ':' + (port || 80); + }; + + /** + * Mergest 2 query strings in to once unique query string + * + * @param {String} base + * @param {String} addition + * @api public + */ + + util.query = function (base, addition) { + var query = util.chunkQuery(base || '') + , components = []; + + util.merge(query, util.chunkQuery(addition || '')); + for (var part in query) { + if (query.hasOwnProperty(part)) { + components.push(part + '=' + query[part]); + } + } + + return components.length ? '?' + components.join('&') : ''; + }; + + /** + * Transforms a querystring in to an object + * + * @param {String} qs + * @api public + */ + + util.chunkQuery = function (qs) { + var query = {} + , params = qs.split('&') + , i = 0 + , l = params.length + , kv; + + for (; i < l; ++i) { + kv = params[i].split('='); + if (kv[0]) { + query[kv[0]] = kv[1]; + } + } + + return query; + }; + + /** + * Executes the given function when the page is loaded. + * + * io.util.load(function () { console.log('page loaded'); }); + * + * @param {Function} fn + * @api public + */ + + var pageLoaded = false; + + util.load = function (fn) { + if ('document' in global && document.readyState === 'complete' || pageLoaded) { + return fn(); + } + + util.on(global, 'load', fn, false); + }; + + /** + * Adds an event. + * + * @api private + */ + + util.on = function (element, event, fn, capture) { + if (element.attachEvent) { + element.attachEvent('on' + event, fn); + } else if (element.addEventListener) { + element.addEventListener(event, fn, capture); + } + }; + + /** + * Generates the correct `XMLHttpRequest` for regular and cross domain requests. + * + * @param {Boolean} [xdomain] Create a request that can be used cross domain. + * @returns {XMLHttpRequest|false} If we can create a XMLHttpRequest. + * @api private + */ + + util.request = function (xdomain) { + + if (xdomain && 'undefined' != typeof XDomainRequest && !util.ua.hasCORS) { + return new XDomainRequest(); + } + + if ('undefined' != typeof XMLHttpRequest && (!xdomain || util.ua.hasCORS)) { + return new XMLHttpRequest(); + } + + if (!xdomain) { + try { + return new window[(['Active'].concat('Object').join('X'))]('Microsoft.XMLHTTP'); + } catch(e) { } + } + + return null; + }; + + /** + * XHR based transport constructor. + * + * @constructor + * @api public + */ + + /** + * Change the internal pageLoaded value. + */ + + if ('undefined' != typeof window) { + util.load(function () { + pageLoaded = true; + }); + } + + /** + * Defers a function to ensure a spinner is not displayed by the browser + * + * @param {Function} fn + * @api public + */ + + util.defer = function (fn) { + if (!util.ua.webkit || 'undefined' != typeof importScripts) { + return fn(); + } + + util.load(function () { + setTimeout(fn, 100); + }); + }; + + /** + * Merges two objects. + * + * @api public + */ + + util.merge = function merge (target, additional, deep, lastseen) { + var seen = lastseen || [] + , depth = typeof deep == 'undefined' ? 2 : deep + , prop; + + for (prop in additional) { + if (additional.hasOwnProperty(prop) && util.indexOf(seen, prop) < 0) { + if (typeof target[prop] !== 'object' || !depth) { + target[prop] = additional[prop]; + seen.push(additional[prop]); + } else { + util.merge(target[prop], additional[prop], depth - 1, seen); + } + } + } + + return target; + }; + + /** + * Merges prototypes from objects + * + * @api public + */ + + util.mixin = function (ctor, ctor2) { + util.merge(ctor.prototype, ctor2.prototype); + }; + + /** + * Shortcut for prototypical and static inheritance. + * + * @api private + */ + + util.inherit = function (ctor, ctor2) { + function f() {}; + f.prototype = ctor2.prototype; + ctor.prototype = new f; + }; + + /** + * Checks if the given object is an Array. + * + * io.util.isArray([]); // true + * io.util.isArray({}); // false + * + * @param Object obj + * @api public + */ + + util.isArray = Array.isArray || function (obj) { + return Object.prototype.toString.call(obj) === '[object Array]'; + }; + + /** + * Intersects values of two arrays into a third + * + * @api public + */ + + util.intersect = function (arr, arr2) { + var ret = [] + , longest = arr.length > arr2.length ? arr : arr2 + , shortest = arr.length > arr2.length ? arr2 : arr; + + for (var i = 0, l = shortest.length; i < l; i++) { + if (~util.indexOf(longest, shortest[i])) + ret.push(shortest[i]); + } + + return ret; + }; + + /** + * Array indexOf compatibility. + * + * @see bit.ly/a5Dxa2 + * @api public + */ + + util.indexOf = function (arr, o, i) { + + for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0; + i < j && arr[i] !== o; i++) {} + + return j <= i ? -1 : i; + }; + + /** + * Converts enumerables to array. + * + * @api public + */ + + util.toArray = function (enu) { + var arr = []; + + for (var i = 0, l = enu.length; i < l; i++) + arr.push(enu[i]); + + return arr; + }; + + /** + * UA / engines detection namespace. + * + * @namespace + */ + + util.ua = {}; + + /** + * Whether the UA supports CORS for XHR. + * + * @api public + */ + + util.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () { + try { + var a = new XMLHttpRequest(); + } catch (e) { + return false; + } + + return a.withCredentials != undefined; + })(); + + /** + * Detect webkit. + * + * @api public + */ + + util.ua.webkit = 'undefined' != typeof navigator + && /webkit/i.test(navigator.userAgent); + + /** + * Detect iPad/iPhone/iPod. + * + * @api public + */ + + util.ua.iDevice = 'undefined' != typeof navigator + && /iPad|iPhone|iPod/i.test(navigator.userAgent); + +})('undefined' != typeof io ? io : module.exports, this); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.EventEmitter = EventEmitter; + + /** + * Event emitter constructor. + * + * @api public. + */ + + function EventEmitter () {}; + + /** + * Adds a listener + * + * @api public + */ + + EventEmitter.prototype.on = function (name, fn) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = fn; + } else if (io.util.isArray(this.$events[name])) { + this.$events[name].push(fn); + } else { + this.$events[name] = [this.$events[name], fn]; + } + + return this; + }; + + EventEmitter.prototype.addListener = EventEmitter.prototype.on; + + /** + * Adds a volatile listener. + * + * @api public + */ + + EventEmitter.prototype.once = function (name, fn) { + var self = this; + + function on () { + self.removeListener(name, on); + fn.apply(this, arguments); + }; + + on.listener = fn; + this.on(name, on); + + return this; + }; + + /** + * Removes a listener. + * + * @api public + */ + + EventEmitter.prototype.removeListener = function (name, fn) { + if (this.$events && this.$events[name]) { + var list = this.$events[name]; + + if (io.util.isArray(list)) { + var pos = -1; + + for (var i = 0, l = list.length; i < l; i++) { + if (list[i] === fn || (list[i].listener && list[i].listener === fn)) { + pos = i; + break; + } + } + + if (pos < 0) { + return this; + } + + list.splice(pos, 1); + + if (!list.length) { + delete this.$events[name]; + } + } else if (list === fn || (list.listener && list.listener === fn)) { + delete this.$events[name]; + } + } + + return this; + }; + + /** + * Removes all listeners for an event. + * + * @api public + */ + + EventEmitter.prototype.removeAllListeners = function (name) { + if (name === undefined) { + this.$events = {}; + return this; + } + + if (this.$events && this.$events[name]) { + this.$events[name] = null; + } + + return this; + }; + + /** + * Gets all listeners for a certain event. + * + * @api publci + */ + + EventEmitter.prototype.listeners = function (name) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = []; + } + + if (!io.util.isArray(this.$events[name])) { + this.$events[name] = [this.$events[name]]; + } + + return this.$events[name]; + }; + + /** + * Emits an event. + * + * @api public + */ + + EventEmitter.prototype.emit = function (name) { + if (!this.$events) { + return false; + } + + var handler = this.$events[name]; + + if (!handler) { + return false; + } + + var args = Array.prototype.slice.call(arguments, 1); + + if ('function' == typeof handler) { + handler.apply(this, args); + } else if (io.util.isArray(handler)) { + var listeners = handler.slice(); + + for (var i = 0, l = listeners.length; i < l; i++) { + listeners[i].apply(this, args); + } + } else { + return false; + } + + return true; + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +/** + * Based on JSON2 (http://www.JSON.org/js.html). + */ + +(function (exports, nativeJSON) { + "use strict"; + + // use native JSON if it's available + if (nativeJSON && nativeJSON.parse){ + return exports.JSON = { + parse: nativeJSON.parse + , stringify: nativeJSON.stringify + }; + } + + var JSON = exports.JSON = {}; + + function f(n) { + // Format integers to have at least two digits. + return n < 10 ? '0' + n : n; + } + + function date(d, key) { + return isFinite(d.valueOf()) ? + d.getUTCFullYear() + '-' + + f(d.getUTCMonth() + 1) + '-' + + f(d.getUTCDate()) + 'T' + + f(d.getUTCHours()) + ':' + + f(d.getUTCMinutes()) + ':' + + f(d.getUTCSeconds()) + 'Z' : null; + }; + + var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + gap, + indent, + meta = { // table of character substitutions + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '"' : '\\"', + '\\': '\\\\' + }, + rep; + + + function quote(string) { + +// If the string contains no control characters, no quote characters, and no +// backslash characters, then we can safely slap some quotes around it. +// Otherwise we must also replace the offending characters with safe escape +// sequences. + + escapable.lastIndex = 0; + return escapable.test(string) ? '"' + string.replace(escapable, function (a) { + var c = meta[a]; + return typeof c === 'string' ? c : + '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }) + '"' : '"' + string + '"'; + } + + + function str(key, holder) { + +// Produce a string from holder[key]. + + var i, // The loop counter. + k, // The member key. + v, // The member value. + length, + mind = gap, + partial, + value = holder[key]; + +// If the value has a toJSON method, call it to obtain a replacement value. + + if (value instanceof Date) { + value = date(key); + } + +// If we were called with a replacer function, then call the replacer to +// obtain a replacement value. + + if (typeof rep === 'function') { + value = rep.call(holder, key, value); + } + +// What happens next depends on the value's type. + + switch (typeof value) { + case 'string': + return quote(value); + + case 'number': + +// JSON numbers must be finite. Encode non-finite numbers as null. + + return isFinite(value) ? String(value) : 'null'; + + case 'boolean': + case 'null': + +// If the value is a boolean or null, convert it to a string. Note: +// typeof null does not produce 'null'. The case is included here in +// the remote chance that this gets fixed someday. + + return String(value); + +// If the type is 'object', we might be dealing with an object or an array or +// null. + + case 'object': + +// Due to a specification blunder in ECMAScript, typeof null is 'object', +// so watch out for that case. + + if (!value) { + return 'null'; + } + +// Make an array to hold the partial results of stringifying this object value. + + gap += indent; + partial = []; + +// Is the value an array? + + if (Object.prototype.toString.apply(value) === '[object Array]') { + +// The value is an array. Stringify every element. Use null as a placeholder +// for non-JSON values. + + length = value.length; + for (i = 0; i < length; i += 1) { + partial[i] = str(i, value) || 'null'; + } + +// Join all of the elements together, separated with commas, and wrap them in +// brackets. + + v = partial.length === 0 ? '[]' : gap ? + '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : + '[' + partial.join(',') + ']'; + gap = mind; + return v; + } + +// If the replacer is an array, use it to select the members to be stringified. + + if (rep && typeof rep === 'object') { + length = rep.length; + for (i = 0; i < length; i += 1) { + if (typeof rep[i] === 'string') { + k = rep[i]; + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } else { + +// Otherwise, iterate through all of the keys in the object. + + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } + +// Join all of the member texts together, separated with commas, +// and wrap them in braces. + + v = partial.length === 0 ? '{}' : gap ? + '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : + '{' + partial.join(',') + '}'; + gap = mind; + return v; + } + } + +// If the JSON object does not yet have a stringify method, give it one. + + JSON.stringify = function (value, replacer, space) { + +// The stringify method takes a value and an optional replacer, and an optional +// space parameter, and returns a JSON text. The replacer can be a function +// that can replace values, or an array of strings that will select the keys. +// A default replacer method can be provided. Use of the space parameter can +// produce text that is more easily readable. + + var i; + gap = ''; + indent = ''; + +// If the space parameter is a number, make an indent string containing that +// many spaces. + + if (typeof space === 'number') { + for (i = 0; i < space; i += 1) { + indent += ' '; + } + +// If the space parameter is a string, it will be used as the indent string. + + } else if (typeof space === 'string') { + indent = space; + } + +// If there is a replacer, it must be a function or an array. +// Otherwise, throw an error. + + rep = replacer; + if (replacer && typeof replacer !== 'function' && + (typeof replacer !== 'object' || + typeof replacer.length !== 'number')) { + throw new Error('JSON.stringify'); + } + +// Make a fake root object containing our value under the key of ''. +// Return the result of stringifying the value. + + return str('', {'': value}); + }; + +// If the JSON object does not yet have a parse method, give it one. + + JSON.parse = function (text, reviver) { + // The parse method takes a text and an optional reviver function, and returns + // a JavaScript value if the text is a valid JSON text. + + var j; + + function walk(holder, key) { + + // The walk method is used to recursively walk the resulting structure so + // that modifications can be made. + + var k, v, value = holder[key]; + if (value && typeof value === 'object') { + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = walk(value, k); + if (v !== undefined) { + value[k] = v; + } else { + delete value[k]; + } + } + } + } + return reviver.call(holder, key, value); + } + + + // Parsing happens in four stages. In the first stage, we replace certain + // Unicode characters with escape sequences. JavaScript handles many characters + // incorrectly, either silently deleting them, or treating them as line endings. + + text = String(text); + cx.lastIndex = 0; + if (cx.test(text)) { + text = text.replace(cx, function (a) { + return '\\u' + + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }); + } + + // In the second stage, we run the text against regular expressions that look + // for non-JSON patterns. We are especially concerned with '()' and 'new' + // because they can cause invocation, and '=' because it can cause mutation. + // But just to be safe, we want to reject all unexpected forms. + + // We split the second stage into 4 regexp operations in order to work around + // crippling inefficiencies in IE's and Safari's regexp engines. First we + // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we + // replace all simple value tokens with ']' characters. Third, we delete all + // open brackets that follow a colon or comma or that begin the text. Finally, + // we look to see that the remaining characters are only whitespace or ']' or + // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. + + if (/^[\],:{}\s]*$/ + .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') + .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') + .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { + + // In the third stage we use the eval function to compile the text into a + // JavaScript structure. The '{' operator is subject to a syntactic ambiguity + // in JavaScript: it can begin a block or an object literal. We wrap the text + // in parens to eliminate the ambiguity. + + j = eval('(' + text + ')'); + + // In the optional fourth stage, we recursively walk the new structure, passing + // each name/value pair to a reviver function for possible transformation. + + return typeof reviver === 'function' ? + walk({'': j}, '') : j; + } + + // If the text is not JSON parseable, then a SyntaxError is thrown. + + throw new SyntaxError('JSON.parse'); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , typeof JSON !== 'undefined' ? JSON : undefined +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Parser namespace. + * + * @namespace + */ + + var parser = exports.parser = {}; + + /** + * Packet types. + */ + + var packets = parser.packets = [ + 'disconnect' + , 'connect' + , 'heartbeat' + , 'message' + , 'json' + , 'event' + , 'ack' + , 'error' + , 'noop' + ]; + + /** + * Errors reasons. + */ + + var reasons = parser.reasons = [ + 'transport not supported' + , 'client not handshaken' + , 'unauthorized' + ]; + + /** + * Errors advice. + */ + + var advice = parser.advice = [ + 'reconnect' + ]; + + /** + * Shortcuts. + */ + + var JSON = io.JSON + , indexOf = io.util.indexOf; + + /** + * Encodes a packet. + * + * @api private + */ + + parser.encodePacket = function (packet) { + var type = indexOf(packets, packet.type) + , id = packet.id || '' + , endpoint = packet.endpoint || '' + , ack = packet.ack + , data = null; + + switch (packet.type) { + case 'error': + var reason = packet.reason ? indexOf(reasons, packet.reason) : '' + , adv = packet.advice ? indexOf(advice, packet.advice) : ''; + + if (reason !== '' || adv !== '') + data = reason + (adv !== '' ? ('+' + adv) : ''); + + break; + + case 'message': + if (packet.data !== '') + data = packet.data; + break; + + case 'event': + var ev = { name: packet.name }; + + if (packet.args && packet.args.length) { + ev.args = packet.args; + } + + data = JSON.stringify(ev); + break; + + case 'json': + data = JSON.stringify(packet.data); + break; + + case 'connect': + if (packet.qs) + data = packet.qs; + break; + + case 'ack': + data = packet.ackId + + (packet.args && packet.args.length + ? '+' + JSON.stringify(packet.args) : ''); + break; + } + + // construct packet with required fragments + var encoded = [ + type + , id + (ack == 'data' ? '+' : '') + , endpoint + ]; + + // data fragment is optional + if (data !== null && data !== undefined) + encoded.push(data); + + return encoded.join(':'); + }; + + /** + * Encodes multiple messages (payload). + * + * @param {Array} messages + * @api private + */ + + parser.encodePayload = function (packets) { + var decoded = ''; + + if (packets.length == 1) + return packets[0]; + + for (var i = 0, l = packets.length; i < l; i++) { + var packet = packets[i]; + decoded += '\ufffd' + packet.length + '\ufffd' + packets[i]; + } + + return decoded; + }; + + /** + * Decodes a packet + * + * @api private + */ + + var regexp = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/; + + parser.decodePacket = function (data) { + var pieces = data.match(regexp); + + if (!pieces) return {}; + + var id = pieces[2] || '' + , data = pieces[5] || '' + , packet = { + type: packets[pieces[1]] + , endpoint: pieces[4] || '' + }; + + // whether we need to acknowledge the packet + if (id) { + packet.id = id; + if (pieces[3]) + packet.ack = 'data'; + else + packet.ack = true; + } + + // handle different packet types + switch (packet.type) { + case 'error': + var pieces = data.split('+'); + packet.reason = reasons[pieces[0]] || ''; + packet.advice = advice[pieces[1]] || ''; + break; + + case 'message': + packet.data = data || ''; + break; + + case 'event': + try { + var opts = JSON.parse(data); + packet.name = opts.name; + packet.args = opts.args; + } catch (e) { } + + packet.args = packet.args || []; + break; + + case 'json': + try { + packet.data = JSON.parse(data); + } catch (e) { } + break; + + case 'connect': + packet.qs = data || ''; + break; + + case 'ack': + var pieces = data.match(/^([0-9]+)(\+)?(.*)/); + if (pieces) { + packet.ackId = pieces[1]; + packet.args = []; + + if (pieces[3]) { + try { + packet.args = pieces[3] ? JSON.parse(pieces[3]) : []; + } catch (e) { } + } + } + break; + + case 'disconnect': + case 'heartbeat': + break; + }; + + return packet; + }; + + /** + * Decodes data payload. Detects multiple messages + * + * @return {Array} messages + * @api public + */ + + parser.decodePayload = function (data) { + // IE doesn't like data[i] for unicode chars, charAt works fine + if (data.charAt(0) == '\ufffd') { + var ret = []; + + for (var i = 1, length = ''; i < data.length; i++) { + if (data.charAt(i) == '\ufffd') { + ret.push(parser.decodePacket(data.substr(i + 1).substr(0, length))); + i += Number(length) + 1; + length = ''; + } else { + length += data.charAt(i); + } + } + + return ret; + } else { + return [parser.decodePacket(data)]; + } + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.Transport = Transport; + + /** + * This is the transport template for all supported transport methods. + * + * @constructor + * @api public + */ + + function Transport (socket, sessid) { + this.socket = socket; + this.sessid = sessid; + }; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(Transport, io.EventEmitter); + + + /** + * Indicates whether heartbeats is enabled for this transport + * + * @api private + */ + + Transport.prototype.heartbeats = function () { + return true; + }; + + /** + * Handles the response from the server. When a new response is received + * it will automatically update the timeout, decode the message and + * forwards the response to the onMessage function for further processing. + * + * @param {String} data Response from the server. + * @api private + */ + + Transport.prototype.onData = function (data) { + this.clearCloseTimeout(); + + // If the connection in currently open (or in a reopening state) reset the close + // timeout since we have just received data. This check is necessary so + // that we don't reset the timeout on an explicitly disconnected connection. + if (this.socket.connected || this.socket.connecting || this.socket.reconnecting) { + this.setCloseTimeout(); + } + + if (data !== '') { + // todo: we should only do decodePayload for xhr transports + var msgs = io.parser.decodePayload(data); + + if (msgs && msgs.length) { + for (var i = 0, l = msgs.length; i < l; i++) { + this.onPacket(msgs[i]); + } + } + } + + return this; + }; + + /** + * Handles packets. + * + * @api private + */ + + Transport.prototype.onPacket = function (packet) { + this.socket.setHeartbeatTimeout(); + + if (packet.type == 'heartbeat') { + return this.onHeartbeat(); + } + + if (packet.type == 'connect' && packet.endpoint == '') { + this.onConnect(); + } + + if (packet.type == 'error' && packet.advice == 'reconnect') { + this.isOpen = false; + } + + this.socket.onPacket(packet); + + return this; + }; + + /** + * Sets close timeout + * + * @api private + */ + + Transport.prototype.setCloseTimeout = function () { + if (!this.closeTimeout) { + var self = this; + + this.closeTimeout = setTimeout(function () { + self.onDisconnect(); + }, this.socket.closeTimeout); + } + }; + + /** + * Called when transport disconnects. + * + * @api private + */ + + Transport.prototype.onDisconnect = function () { + if (this.isOpen) this.close(); + this.clearTimeouts(); + this.socket.onDisconnect(); + return this; + }; + + /** + * Called when transport connects + * + * @api private + */ + + Transport.prototype.onConnect = function () { + this.socket.onConnect(); + return this; + }; + + /** + * Clears close timeout + * + * @api private + */ + + Transport.prototype.clearCloseTimeout = function () { + if (this.closeTimeout) { + clearTimeout(this.closeTimeout); + this.closeTimeout = null; + } + }; + + /** + * Clear timeouts + * + * @api private + */ + + Transport.prototype.clearTimeouts = function () { + this.clearCloseTimeout(); + + if (this.reopenTimeout) { + clearTimeout(this.reopenTimeout); + } + }; + + /** + * Sends a packet + * + * @param {Object} packet object. + * @api private + */ + + Transport.prototype.packet = function (packet) { + this.send(io.parser.encodePacket(packet)); + }; + + /** + * Send the received heartbeat message back to server. So the server + * knows we are still connected. + * + * @param {String} heartbeat Heartbeat response from the server. + * @api private + */ + + Transport.prototype.onHeartbeat = function (heartbeat) { + this.packet({ type: 'heartbeat' }); + }; + + /** + * Called when the transport opens. + * + * @api private + */ + + Transport.prototype.onOpen = function () { + this.isOpen = true; + this.clearCloseTimeout(); + this.socket.onOpen(); + }; + + /** + * Notifies the base when the connection with the Socket.IO server + * has been disconnected. + * + * @api private + */ + + Transport.prototype.onClose = function () { + var self = this; + + /* FIXME: reopen delay causing a infinit loop + this.reopenTimeout = setTimeout(function () { + self.open(); + }, this.socket.options['reopen delay']);*/ + + this.isOpen = false; + this.socket.onClose(); + this.onDisconnect(); + }; + + /** + * Generates a connection url based on the Socket.IO URL Protocol. + * See for more details. + * + * @returns {String} Connection url + * @api private + */ + + Transport.prototype.prepareUrl = function () { + var options = this.socket.options; + + return this.scheme() + '://' + + options.host + ':' + options.port + '/' + + options.resource + '/' + io.protocol + + '/' + this.name + '/' + this.sessid; + }; + + /** + * Checks if the transport is ready to start a connection. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + Transport.prototype.ready = function (socket, fn) { + fn.call(this); + }; +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports.Socket = Socket; + + /** + * Create a new `Socket.IO client` which can establish a persistent + * connection with a Socket.IO enabled server. + * + * @api public + */ + + function Socket (options) { + this.options = { + port: 80 + , secure: false + , document: 'document' in global ? document : false + , resource: 'socket.io' + , transports: io.transports + , 'connect timeout': 10000 + , 'try multiple transports': true + , 'reconnect': true + , 'reconnection delay': 500 + , 'reconnection limit': Infinity + , 'reopen delay': 3000 + , 'max reconnection attempts': 10 + , 'sync disconnect on unload': false + , 'auto connect': true + , 'flash policy port': 10843 + , 'manualFlush': false + }; + + io.util.merge(this.options, options); + + this.connected = false; + this.open = false; + this.connecting = false; + this.reconnecting = false; + this.namespaces = {}; + this.buffer = []; + this.doBuffer = false; + + if (this.options['sync disconnect on unload'] && + (!this.isXDomain() || io.util.ua.hasCORS)) { + var self = this; + io.util.on(global, 'beforeunload', function () { + self.disconnectSync(); + }, false); + } + + if (this.options['auto connect']) { + this.connect(); + } +}; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(Socket, io.EventEmitter); + + /** + * Returns a namespace listener/emitter for this socket + * + * @api public + */ + + Socket.prototype.of = function (name) { + if (!this.namespaces[name]) { + this.namespaces[name] = new io.SocketNamespace(this, name); + + if (name !== '') { + this.namespaces[name].packet({ type: 'connect' }); + } + } + + return this.namespaces[name]; + }; + + /** + * Emits the given event to the Socket and all namespaces + * + * @api private + */ + + Socket.prototype.publish = function () { + this.emit.apply(this, arguments); + + var nsp; + + for (var i in this.namespaces) { + if (this.namespaces.hasOwnProperty(i)) { + nsp = this.of(i); + nsp.$emit.apply(nsp, arguments); + } + } + }; + + /** + * Performs the handshake + * + * @api private + */ + + function empty () { }; + + Socket.prototype.handshake = function (fn) { + var self = this + , options = this.options; + + function complete (data) { + if (data instanceof Error) { + self.connecting = false; + self.onError(data.message); + } else { + fn.apply(null, data.split(':')); + } + }; + + var url = [ + 'http' + (options.secure ? 's' : '') + ':/' + , options.host + ':' + options.port + , options.resource + , io.protocol + , io.util.query(this.options.query, 't=' + +new Date) + ].join('/'); + + if (this.isXDomain() && !io.util.ua.hasCORS) { + var insertAt = document.getElementsByTagName('script')[0] + , script = document.createElement('script'); + + script.src = url + '&jsonp=' + io.j.length; + insertAt.parentNode.insertBefore(script, insertAt); + + io.j.push(function (data) { + complete(data); + script.parentNode.removeChild(script); + }); + } else { + var xhr = io.util.request(); + + xhr.open('GET', url, true); + if (this.isXDomain()) { + xhr.withCredentials = true; + } + xhr.onreadystatechange = function () { + if (xhr.readyState == 4) { + xhr.onreadystatechange = empty; + + if (xhr.status == 200) { + complete(xhr.responseText); + } else if (xhr.status == 403) { + self.onError(xhr.responseText); + } else { + self.connecting = false; + !self.reconnecting && self.onError(xhr.responseText); + } + } + }; + xhr.send(null); + } + }; + + /** + * Find an available transport based on the options supplied in the constructor. + * + * @api private + */ + + Socket.prototype.getTransport = function (override) { + var transports = override || this.transports, match; + + for (var i = 0, transport; transport = transports[i]; i++) { + if (io.Transport[transport] + && io.Transport[transport].check(this) + && (!this.isXDomain() || io.Transport[transport].xdomainCheck(this))) { + return new io.Transport[transport](this, this.sessionid); + } + } + + return null; + }; + + /** + * Connects to the server. + * + * @param {Function} [fn] Callback. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.connect = function (fn) { + if (this.connecting) { + return this; + } + + var self = this; + self.connecting = true; + + this.handshake(function (sid, heartbeat, close, transports) { + self.sessionid = sid; + self.closeTimeout = close * 1000; + self.heartbeatTimeout = heartbeat * 1000; + if(!self.transports) + self.transports = self.origTransports = (transports ? io.util.intersect( + transports.split(',') + , self.options.transports + ) : self.options.transports); + + self.setHeartbeatTimeout(); + + function connect (transports){ + if (self.transport) self.transport.clearTimeouts(); + + self.transport = self.getTransport(transports); + if (!self.transport) return self.publish('connect_failed'); + + // once the transport is ready + self.transport.ready(self, function () { + self.connecting = true; + self.publish('connecting', self.transport.name); + self.transport.open(); + + if (self.options['connect timeout']) { + self.connectTimeoutTimer = setTimeout(function () { + if (!self.connected) { + self.connecting = false; + + if (self.options['try multiple transports']) { + var remaining = self.transports; + + while (remaining.length > 0 && remaining.splice(0,1)[0] != + self.transport.name) {} + + if (remaining.length){ + connect(remaining); + } else { + self.publish('connect_failed'); + } + } + } + }, self.options['connect timeout']); + } + }); + } + + connect(self.transports); + + self.once('connect', function (){ + clearTimeout(self.connectTimeoutTimer); + + fn && typeof fn == 'function' && fn(); + }); + }); + + return this; + }; + + /** + * Clears and sets a new heartbeat timeout using the value given by the + * server during the handshake. + * + * @api private + */ + + Socket.prototype.setHeartbeatTimeout = function () { + clearTimeout(this.heartbeatTimeoutTimer); + if(this.transport && !this.transport.heartbeats()) return; + + var self = this; + this.heartbeatTimeoutTimer = setTimeout(function () { + self.transport.onClose(); + }, this.heartbeatTimeout); + }; + + /** + * Sends a message. + * + * @param {Object} data packet. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.packet = function (data) { + if (this.connected && !this.doBuffer) { + this.transport.packet(data); + } else { + this.buffer.push(data); + } + + return this; + }; + + /** + * Sets buffer state + * + * @api private + */ + + Socket.prototype.setBuffer = function (v) { + this.doBuffer = v; + + if (!v && this.connected && this.buffer.length) { + if (!this.options['manualFlush']) { + this.flushBuffer(); + } + } + }; + + /** + * Flushes the buffer data over the wire. + * To be invoked manually when 'manualFlush' is set to true. + * + * @api public + */ + + Socket.prototype.flushBuffer = function() { + this.transport.payload(this.buffer); + this.buffer = []; + }; + + + /** + * Disconnect the established connect. + * + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.disconnect = function () { + if (this.connected || this.connecting) { + if (this.open) { + this.of('').packet({ type: 'disconnect' }); + } + + // handle disconnection immediately + this.onDisconnect('booted'); + } + + return this; + }; + + /** + * Disconnects the socket with a sync XHR. + * + * @api private + */ + + Socket.prototype.disconnectSync = function () { + // ensure disconnection + var xhr = io.util.request(); + var uri = [ + 'http' + (this.options.secure ? 's' : '') + ':/' + , this.options.host + ':' + this.options.port + , this.options.resource + , io.protocol + , '' + , this.sessionid + ].join('/') + '/?disconnect=1'; + + xhr.open('GET', uri, false); + xhr.send(null); + + // handle disconnection immediately + this.onDisconnect('booted'); + }; + + /** + * Check if we need to use cross domain enabled transports. Cross domain would + * be a different port or different domain name. + * + * @returns {Boolean} + * @api private + */ + + Socket.prototype.isXDomain = function () { + + var port = global.location.port || + ('https:' == global.location.protocol ? 443 : 80); + + return this.options.host !== global.location.hostname + || this.options.port != port; + }; + + /** + * Called upon handshake. + * + * @api private + */ + + Socket.prototype.onConnect = function () { + if (!this.connected) { + this.connected = true; + this.connecting = false; + if (!this.doBuffer) { + // make sure to flush the buffer + this.setBuffer(false); + } + this.emit('connect'); + } + }; + + /** + * Called when the transport opens + * + * @api private + */ + + Socket.prototype.onOpen = function () { + this.open = true; + }; + + /** + * Called when the transport closes. + * + * @api private + */ + + Socket.prototype.onClose = function () { + this.open = false; + clearTimeout(this.heartbeatTimeoutTimer); + }; + + /** + * Called when the transport first opens a connection + * + * @param text + */ + + Socket.prototype.onPacket = function (packet) { + this.of(packet.endpoint).onPacket(packet); + }; + + /** + * Handles an error. + * + * @api private + */ + + Socket.prototype.onError = function (err) { + if (err && err.advice) { + if (err.advice === 'reconnect' && (this.connected || this.connecting)) { + this.disconnect(); + if (this.options.reconnect) { + this.reconnect(); + } + } + } + + this.publish('error', err && err.reason ? err.reason : err); + }; + + /** + * Called when the transport disconnects. + * + * @api private + */ + + Socket.prototype.onDisconnect = function (reason) { + var wasConnected = this.connected + , wasConnecting = this.connecting; + + this.connected = false; + this.connecting = false; + this.open = false; + + if (wasConnected || wasConnecting) { + this.transport.close(); + this.transport.clearTimeouts(); + if (wasConnected) { + this.publish('disconnect', reason); + + if ('booted' != reason && this.options.reconnect && !this.reconnecting) { + this.reconnect(); + } + } + } + }; + + /** + * Called upon reconnection. + * + * @api private + */ + + Socket.prototype.reconnect = function () { + this.reconnecting = true; + this.reconnectionAttempts = 0; + this.reconnectionDelay = this.options['reconnection delay']; + + var self = this + , maxAttempts = this.options['max reconnection attempts'] + , tryMultiple = this.options['try multiple transports'] + , limit = this.options['reconnection limit']; + + function reset () { + if (self.connected) { + for (var i in self.namespaces) { + if (self.namespaces.hasOwnProperty(i) && '' !== i) { + self.namespaces[i].packet({ type: 'connect' }); + } + } + self.publish('reconnect', self.transport.name, self.reconnectionAttempts); + } + + clearTimeout(self.reconnectionTimer); + + self.removeListener('connect_failed', maybeReconnect); + self.removeListener('connect', maybeReconnect); + + self.reconnecting = false; + + delete self.reconnectionAttempts; + delete self.reconnectionDelay; + delete self.reconnectionTimer; + delete self.redoTransports; + + self.options['try multiple transports'] = tryMultiple; + }; + + function maybeReconnect () { + if (!self.reconnecting) { + return; + } + + if (self.connected) { + return reset(); + }; + + if (self.connecting && self.reconnecting) { + return self.reconnectionTimer = setTimeout(maybeReconnect, 1000); + } + + if (self.reconnectionAttempts++ >= maxAttempts) { + if (!self.redoTransports) { + self.on('connect_failed', maybeReconnect); + self.options['try multiple transports'] = true; + self.transports = self.origTransports; + self.transport = self.getTransport(); + self.redoTransports = true; + self.connect(); + } else { + self.publish('reconnect_failed'); + reset(); + } + } else { + if (self.reconnectionDelay < limit) { + self.reconnectionDelay *= 2; // exponential back off + } + + self.connect(); + self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts); + self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay); + } + }; + + this.options['try multiple transports'] = false; + this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay); + + this.on('connect', maybeReconnect); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.SocketNamespace = SocketNamespace; + + /** + * Socket namespace constructor. + * + * @constructor + * @api public + */ + + function SocketNamespace (socket, name) { + this.socket = socket; + this.name = name || ''; + this.flags = {}; + this.json = new Flag(this, 'json'); + this.ackPackets = 0; + this.acks = {}; + }; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(SocketNamespace, io.EventEmitter); + + /** + * Copies emit since we override it + * + * @api private + */ + + SocketNamespace.prototype.$emit = io.EventEmitter.prototype.emit; + + /** + * Creates a new namespace, by proxying the request to the socket. This + * allows us to use the synax as we do on the server. + * + * @api public + */ + + SocketNamespace.prototype.of = function () { + return this.socket.of.apply(this.socket, arguments); + }; + + /** + * Sends a packet. + * + * @api private + */ + + SocketNamespace.prototype.packet = function (packet) { + packet.endpoint = this.name; + this.socket.packet(packet); + this.flags = {}; + return this; + }; + + /** + * Sends a message + * + * @api public + */ + + SocketNamespace.prototype.send = function (data, fn) { + var packet = { + type: this.flags.json ? 'json' : 'message' + , data: data + }; + + if ('function' == typeof fn) { + packet.id = ++this.ackPackets; + packet.ack = true; + this.acks[packet.id] = fn; + } + + return this.packet(packet); + }; + + /** + * Emits an event + * + * @api public + */ + + SocketNamespace.prototype.emit = function (name) { + var args = Array.prototype.slice.call(arguments, 1) + , lastArg = args[args.length - 1] + , packet = { + type: 'event' + , name: name + }; + + if ('function' == typeof lastArg) { + packet.id = ++this.ackPackets; + packet.ack = 'data'; + this.acks[packet.id] = lastArg; + args = args.slice(0, args.length - 1); + } + + packet.args = args; + + return this.packet(packet); + }; + + /** + * Disconnects the namespace + * + * @api private + */ + + SocketNamespace.prototype.disconnect = function () { + if (this.name === '') { + this.socket.disconnect(); + } else { + this.packet({ type: 'disconnect' }); + this.$emit('disconnect'); + } + + return this; + }; + + /** + * Handles a packet + * + * @api private + */ + + SocketNamespace.prototype.onPacket = function (packet) { + var self = this; + + function ack () { + self.packet({ + type: 'ack' + , args: io.util.toArray(arguments) + , ackId: packet.id + }); + }; + + switch (packet.type) { + case 'connect': + this.$emit('connect'); + break; + + case 'disconnect': + if (this.name === '') { + this.socket.onDisconnect(packet.reason || 'booted'); + } else { + this.$emit('disconnect', packet.reason); + } + break; + + case 'message': + case 'json': + var params = ['message', packet.data]; + + if (packet.ack == 'data') { + params.push(ack); + } else if (packet.ack) { + this.packet({ type: 'ack', ackId: packet.id }); + } + + this.$emit.apply(this, params); + break; + + case 'event': + var params = [packet.name].concat(packet.args); + + if (packet.ack == 'data') + params.push(ack); + + this.$emit.apply(this, params); + break; + + case 'ack': + if (this.acks[packet.ackId]) { + this.acks[packet.ackId].apply(this, packet.args); + delete this.acks[packet.ackId]; + } + break; + + case 'error': + if (packet.advice){ + this.socket.onError(packet); + } else { + if (packet.reason == 'unauthorized') { + this.$emit('connect_failed', packet.reason); + } else { + this.$emit('error', packet.reason); + } + } + break; + } + }; + + /** + * Flag interface. + * + * @api private + */ + + function Flag (nsp, name) { + this.namespace = nsp; + this.name = name; + }; + + /** + * Send a message + * + * @api public + */ + + Flag.prototype.send = function () { + this.namespace.flags[this.name] = true; + this.namespace.send.apply(this.namespace, arguments); + }; + + /** + * Emit an event + * + * @api public + */ + + Flag.prototype.emit = function () { + this.namespace.flags[this.name] = true; + this.namespace.emit.apply(this.namespace, arguments); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports.websocket = WS; + + /** + * The WebSocket transport uses the HTML5 WebSocket API to establish an + * persistent connection with the Socket.IO server. This transport will also + * be inherited by the FlashSocket fallback as it provides a API compatible + * polyfill for the WebSockets. + * + * @constructor + * @extends {io.Transport} + * @api public + */ + + function WS (socket) { + io.Transport.apply(this, arguments); + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(WS, io.Transport); + + /** + * Transport name + * + * @api public + */ + + WS.prototype.name = 'websocket'; + + /** + * Initializes a new `WebSocket` connection with the Socket.IO server. We attach + * all the appropriate listeners to handle the responses from the server. + * + * @returns {Transport} + * @api public + */ + + WS.prototype.open = function () { + var query = io.util.query(this.socket.options.query) + , self = this + , Socket + + + if (!Socket) { + Socket = global.MozWebSocket || global.WebSocket; + } + + this.websocket = new Socket(this.prepareUrl() + query); + + this.websocket.onopen = function () { + self.onOpen(); + self.socket.setBuffer(false); + }; + this.websocket.onmessage = function (ev) { + self.onData(ev.data); + }; + this.websocket.onclose = function () { + self.onClose(); + self.socket.setBuffer(true); + }; + this.websocket.onerror = function (e) { + self.onError(e); + }; + + return this; + }; + + /** + * Send a message to the Socket.IO server. The message will automatically be + * encoded in the correct message format. + * + * @returns {Transport} + * @api public + */ + + // Do to a bug in the current IDevices browser, we need to wrap the send in a + // setTimeout, when they resume from sleeping the browser will crash if + // we don't allow the browser time to detect the socket has been closed + if (io.util.ua.iDevice) { + WS.prototype.send = function (data) { + var self = this; + setTimeout(function() { + self.websocket.send(data); + },0); + return this; + }; + } else { + WS.prototype.send = function (data) { + this.websocket.send(data); + return this; + }; + } + + /** + * Payload + * + * @api private + */ + + WS.prototype.payload = function (arr) { + for (var i = 0, l = arr.length; i < l; i++) { + this.packet(arr[i]); + } + return this; + }; + + /** + * Disconnect the established `WebSocket` connection. + * + * @returns {Transport} + * @api public + */ + + WS.prototype.close = function () { + this.websocket.close(); + return this; + }; + + /** + * Handle the errors that `WebSocket` might be giving when we + * are attempting to connect or send messages. + * + * @param {Error} e The error. + * @api private + */ + + WS.prototype.onError = function (e) { + this.socket.onError(e); + }; + + /** + * Returns the appropriate scheme for the URI generation. + * + * @api private + */ + WS.prototype.scheme = function () { + return this.socket.options.secure ? 'wss' : 'ws'; + }; + + /** + * Checks if the browser has support for native `WebSockets` and that + * it's not the polyfill created for the FlashSocket transport. + * + * @return {Boolean} + * @api public + */ + + WS.check = function () { + return ('WebSocket' in global && !('__addTask' in WebSocket)) + || 'MozWebSocket' in global; + }; + + /** + * Check if the `WebSocket` transport support cross domain communications. + * + * @returns {Boolean} + * @api public + */ + + WS.xdomainCheck = function () { + return true; + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('websocket'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.flashsocket = Flashsocket; + + /** + * The FlashSocket transport. This is a API wrapper for the HTML5 WebSocket + * specification. It uses a .swf file to communicate with the server. If you want + * to serve the .swf file from a other server than where the Socket.IO script is + * coming from you need to use the insecure version of the .swf. More information + * about this can be found on the github page. + * + * @constructor + * @extends {io.Transport.websocket} + * @api public + */ + + function Flashsocket () { + io.Transport.websocket.apply(this, arguments); + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(Flashsocket, io.Transport.websocket); + + /** + * Transport name + * + * @api public + */ + + Flashsocket.prototype.name = 'flashsocket'; + + /** + * Disconnect the established `FlashSocket` connection. This is done by adding a + * new task to the FlashSocket. The rest will be handled off by the `WebSocket` + * transport. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.open = function () { + var self = this + , args = arguments; + + WebSocket.__addTask(function () { + io.Transport.websocket.prototype.open.apply(self, args); + }); + return this; + }; + + /** + * Sends a message to the Socket.IO server. This is done by adding a new + * task to the FlashSocket. The rest will be handled off by the `WebSocket` + * transport. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.send = function () { + var self = this, args = arguments; + WebSocket.__addTask(function () { + io.Transport.websocket.prototype.send.apply(self, args); + }); + return this; + }; + + /** + * Disconnects the established `FlashSocket` connection. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.close = function () { + WebSocket.__tasks.length = 0; + io.Transport.websocket.prototype.close.call(this); + return this; + }; + + /** + * The WebSocket fall back needs to append the flash container to the body + * element, so we need to make sure we have access to it. Or defer the call + * until we are sure there is a body element. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + Flashsocket.prototype.ready = function (socket, fn) { + function init () { + var options = socket.options + , port = options['flash policy port'] + , path = [ + 'http' + (options.secure ? 's' : '') + ':/' + , options.host + ':' + options.port + , options.resource + , 'static/flashsocket' + , 'WebSocketMain' + (socket.isXDomain() ? 'Insecure' : '') + '.swf' + ]; + + // Only start downloading the swf file when the checked that this browser + // actually supports it + if (!Flashsocket.loaded) { + if (typeof WEB_SOCKET_SWF_LOCATION === 'undefined') { + // Set the correct file based on the XDomain settings + WEB_SOCKET_SWF_LOCATION = path.join('/'); + } + + if (port !== 843) { + WebSocket.loadFlashPolicyFile('xmlsocket://' + options.host + ':' + port); + } + + WebSocket.__initialize(); + Flashsocket.loaded = true; + } + + fn.call(self); + } + + var self = this; + if (document.body) return init(); + + io.util.load(init); + }; + + /** + * Check if the FlashSocket transport is supported as it requires that the Adobe + * Flash Player plug-in version `10.0.0` or greater is installed. And also check if + * the polyfill is correctly loaded. + * + * @returns {Boolean} + * @api public + */ + + Flashsocket.check = function () { + if ( + typeof WebSocket == 'undefined' + || !('__initialize' in WebSocket) || !swfobject + ) return false; + + return swfobject.getFlashPlayerVersion().major >= 10; + }; + + /** + * Check if the FlashSocket transport can be used as cross domain / cross origin + * transport. Because we can't see which type (secure or insecure) of .swf is used + * we will just return true. + * + * @returns {Boolean} + * @api public + */ + + Flashsocket.xdomainCheck = function () { + return true; + }; + + /** + * Disable AUTO_INITIALIZATION + */ + + if (typeof window != 'undefined') { + WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true; + } + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('flashsocket'); +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/* SWFObject v2.2 + is released under the MIT License +*/ +if ('undefined' != typeof window) { +var swfobject=function(){var D="undefined",r="object",S="Shockwave 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+(function() { + + if ('undefined' == typeof window || window.WebSocket) return; + + var console = window.console; + if (!console || !console.log || !console.error) { + console = {log: function(){ }, error: function(){ }}; + } + + if (!swfobject.hasFlashPlayerVersion("10.0.0")) { + console.error("Flash Player >= 10.0.0 is required."); + return; + } + if (location.protocol == "file:") { + console.error( + "WARNING: web-socket-js doesn't work in file:///... URL " + + "unless you set Flash Security Settings properly. 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We don't use escape() here + // because of this: + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions + // But it looks decodeURIComponent(encodeURIComponent(s)) doesn't + // preserve all Unicode characters either e.g. "\uffff" in Firefox. + // Note by wtritch: Hopefully this will not be necessary using ExternalInterface. Will require + // additional testing. + var result = WebSocket.__flash.send(this.__id, encodeURIComponent(data)); + if (result < 0) { // success + return true; + } else { + this.bufferedAmount += result; + return false; + } + }; + + /** + * Close this web socket gracefully. + */ + WebSocket.prototype.close = function() { + if (this.readyState == WebSocket.CLOSED || this.readyState == WebSocket.CLOSING) { + return; + } + this.readyState = WebSocket.CLOSING; + WebSocket.__flash.close(this.__id); + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.addEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) { + this.__events[type] = []; + } + this.__events[type].push(listener); + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.removeEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) return; + var events = this.__events[type]; + for (var i = events.length - 1; i >= 0; --i) { + if (events[i] === listener) { + events.splice(i, 1); + break; + } + } + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {Event} event + * @return void + */ + WebSocket.prototype.dispatchEvent = function(event) { + var events = this.__events[event.type] || []; + for (var i = 0; i < events.length; ++i) { + events[i](event); + } + var handler = this["on" + event.type]; + if (handler) handler(event); + }; + + /** + * Handles an event from Flash. + * @param {Object} flashEvent + */ + WebSocket.prototype.__handleEvent = function(flashEvent) { + if ("readyState" in flashEvent) { + this.readyState = flashEvent.readyState; + } + if ("protocol" in flashEvent) { + this.protocol = flashEvent.protocol; + } + + var jsEvent; + if (flashEvent.type == "open" || flashEvent.type == "error") { + jsEvent = this.__createSimpleEvent(flashEvent.type); + } else if (flashEvent.type == "close") { + // TODO implement jsEvent.wasClean + jsEvent = this.__createSimpleEvent("close"); + } else if (flashEvent.type == "message") { + var data = decodeURIComponent(flashEvent.message); + jsEvent = this.__createMessageEvent("message", data); + } else { + throw "unknown event type: " + flashEvent.type; + } + + this.dispatchEvent(jsEvent); + }; + + WebSocket.prototype.__createSimpleEvent = function(type) { + if (document.createEvent && window.Event) { + var event = document.createEvent("Event"); + event.initEvent(type, false, false); + return event; + } else { + return {type: type, bubbles: false, cancelable: false}; + } + }; + + WebSocket.prototype.__createMessageEvent = function(type, data) { + if (document.createEvent && window.MessageEvent && !window.opera) { + var event = document.createEvent("MessageEvent"); + event.initMessageEvent("message", false, false, data, null, null, window, null); + return event; + } else { + // IE and Opera, the latter one truncates the data parameter after any 0x00 bytes. + return {type: type, data: data, bubbles: false, cancelable: false}; + } + }; + + /** + * Define the WebSocket readyState enumeration. + */ + WebSocket.CONNECTING = 0; + WebSocket.OPEN = 1; + WebSocket.CLOSING = 2; + WebSocket.CLOSED = 3; + + WebSocket.__flash = null; + WebSocket.__instances = {}; + WebSocket.__tasks = []; + WebSocket.__nextId = 0; + + /** + * Load a new flash security policy file. + * @param {string} url + */ + WebSocket.loadFlashPolicyFile = function(url){ + WebSocket.__addTask(function() { + WebSocket.__flash.loadManualPolicyFile(url); + }); + }; + + /** + * Loads WebSocketMain.swf and creates WebSocketMain object in Flash. + */ + WebSocket.__initialize = function() { + if (WebSocket.__flash) return; + + if (WebSocket.__swfLocation) { + // For backword compatibility. + window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation; + } + if (!window.WEB_SOCKET_SWF_LOCATION) { + console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf"); + return; + } + var container = document.createElement("div"); + container.id = "webSocketContainer"; + // Hides Flash box. We cannot use display: none or visibility: hidden because it prevents + // Flash from loading at least in IE. So we move it out of the screen at (-100, -100). + // But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash + // Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is + // the best we can do as far as we know now. + container.style.position = "absolute"; + if (WebSocket.__isFlashLite()) { + container.style.left = "0px"; + container.style.top = "0px"; + } else { + container.style.left = "-100px"; + container.style.top = "-100px"; + } + var holder = document.createElement("div"); + holder.id = "webSocketFlash"; + container.appendChild(holder); + document.body.appendChild(container); + // See this article for hasPriority: + // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html + swfobject.embedSWF( + WEB_SOCKET_SWF_LOCATION, + "webSocketFlash", + "1" /* width */, + "1" /* height */, + "10.0.0" /* SWF version */, + null, + null, + {hasPriority: true, swliveconnect : true, allowScriptAccess: "always"}, + null, + function(e) { + if (!e.success) { + console.error("[WebSocket] swfobject.embedSWF failed"); + } + }); + }; + + /** + * Called by Flash to notify JS that it's fully loaded and ready + * for communication. + */ + WebSocket.__onFlashInitialized = function() { + // We need to set a timeout here to avoid round-trip calls + // to flash during the initialization process. + setTimeout(function() { + WebSocket.__flash = document.getElementById("webSocketFlash"); + WebSocket.__flash.setCallerUrl(location.href); + WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG); + for (var i = 0; i < WebSocket.__tasks.length; ++i) { + WebSocket.__tasks[i](); + } + WebSocket.__tasks = []; + }, 0); + }; + + /** + * Called by Flash to notify WebSockets events are fired. + */ + WebSocket.__onFlashEvent = function() { + setTimeout(function() { + try { + // Gets events using receiveEvents() instead of getting it from event object + // of Flash event. This is to make sure to keep message order. + // It seems sometimes Flash events don't arrive in the same order as they are sent. + var events = WebSocket.__flash.receiveEvents(); + for (var i = 0; i < events.length; ++i) { + WebSocket.__instances[events[i].webSocketId].__handleEvent(events[i]); + } + } catch (e) { + console.error(e); + } + }, 0); + return true; + }; + + // Called by Flash. + WebSocket.__log = function(message) { + console.log(decodeURIComponent(message)); + }; + + // Called by Flash. + WebSocket.__error = function(message) { + console.error(decodeURIComponent(message)); + }; + + WebSocket.__addTask = function(task) { + if (WebSocket.__flash) { + task(); + } else { + WebSocket.__tasks.push(task); + } + }; + + /** + * Test if the browser is running flash lite. + * @return {boolean} True if flash lite is running, false otherwise. + */ + WebSocket.__isFlashLite = function() { + if (!window.navigator || !window.navigator.mimeTypes) { + return false; + } + var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"]; + if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) { + return false; + } + return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false; + }; + + if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) { + if (window.addEventListener) { + window.addEventListener("load", function(){ + WebSocket.__initialize(); + }, false); + } else { + window.attachEvent("onload", function(){ + WebSocket.__initialize(); + }); + } + } + +})(); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + * + * @api public + */ + + exports.XHR = XHR; + + /** + * XHR constructor + * + * @costructor + * @api public + */ + + function XHR (socket) { + if (!socket) return; + + io.Transport.apply(this, arguments); + this.sendBuffer = []; + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(XHR, io.Transport); + + /** + * Establish a connection + * + * @returns {Transport} + * @api public + */ + + XHR.prototype.open = function () { + this.socket.setBuffer(false); + this.onOpen(); + this.get(); + + // we need to make sure the request succeeds since we have no indication + // whether the request opened or not until it succeeded. + this.setCloseTimeout(); + + return this; + }; + + /** + * Check if we need to send data to the Socket.IO server, if we have data in our + * buffer we encode it and forward it to the `post` method. + * + * @api private + */ + + XHR.prototype.payload = function (payload) { + var msgs = []; + + for (var i = 0, l = payload.length; i < l; i++) { + msgs.push(io.parser.encodePacket(payload[i])); + } + + this.send(io.parser.encodePayload(msgs)); + }; + + /** + * Send data to the Socket.IO server. + * + * @param data The message + * @returns {Transport} + * @api public + */ + + XHR.prototype.send = function (data) { + this.post(data); + return this; + }; + + /** + * Posts a encoded message to the Socket.IO server. + * + * @param {String} data A encoded message. + * @api private + */ + + function empty () { }; + + XHR.prototype.post = function (data) { + var self = this; + this.socket.setBuffer(true); + + function stateChange () { + if (this.readyState == 4) { + this.onreadystatechange = empty; + self.posting = false; + + if (this.status == 200){ + self.socket.setBuffer(false); + } else { + self.onClose(); + } + } + } + + function onload () { + this.onload = empty; + self.socket.setBuffer(false); + }; + + this.sendXHR = this.request('POST'); + + if (global.XDomainRequest && this.sendXHR instanceof XDomainRequest) { + this.sendXHR.onload = this.sendXHR.onerror = onload; + } else { + this.sendXHR.onreadystatechange = stateChange; + } + + this.sendXHR.send(data); + }; + + /** + * Disconnects the established `XHR` connection. + * + * @returns {Transport} + * @api public + */ + + XHR.prototype.close = function () { + this.onClose(); + return this; + }; + + /** + * Generates a configured XHR request + * + * @param {String} url The url that needs to be requested. + * @param {String} method The method the request should use. + * @returns {XMLHttpRequest} + * @api private + */ + + XHR.prototype.request = function (method) { + var req = io.util.request(this.socket.isXDomain()) + , query = io.util.query(this.socket.options.query, 't=' + +new Date); + + req.open(method || 'GET', this.prepareUrl() + query, true); + + if (method == 'POST') { + try { + if (req.setRequestHeader) { + req.setRequestHeader('Content-type', 'text/plain;charset=UTF-8'); + } else { + // XDomainRequest + req.contentType = 'text/plain'; + } + } catch (e) {} + } + + return req; + }; + + /** + * Returns the scheme to use for the transport URLs. + * + * @api private + */ + + XHR.prototype.scheme = function () { + return this.socket.options.secure ? 'https' : 'http'; + }; + + /** + * Check if the XHR transports are supported + * + * @param {Boolean} xdomain Check if we support cross domain requests. + * @returns {Boolean} + * @api public + */ + + XHR.check = function (socket, xdomain) { + try { + var request = io.util.request(xdomain), + usesXDomReq = (global.XDomainRequest && request instanceof XDomainRequest), + socketProtocol = (socket && socket.options && socket.options.secure ? 'https:' : 'http:'), + isXProtocol = (global.location && socketProtocol != global.location.protocol); + if (request && !(usesXDomReq && isXProtocol)) { + return true; + } + } catch(e) {} + + return false; + }; + + /** + * Check if the XHR transport supports cross domain requests. + * + * @returns {Boolean} + * @api public + */ + + XHR.xdomainCheck = function (socket) { + return XHR.check(socket, true); + }; + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.htmlfile = HTMLFile; + + /** + * The HTMLFile transport creates a `forever iframe` based transport + * for Internet Explorer. Regular forever iframe implementations will + * continuously trigger the browsers buzy indicators. If the forever iframe + * is created inside a `htmlfile` these indicators will not be trigged. + * + * @constructor + * @extends {io.Transport.XHR} + * @api public + */ + + function HTMLFile (socket) { + io.Transport.XHR.apply(this, arguments); + }; + + /** + * Inherits from XHR transport. + */ + + io.util.inherit(HTMLFile, io.Transport.XHR); + + /** + * Transport name + * + * @api public + */ + + HTMLFile.prototype.name = 'htmlfile'; + + /** + * Creates a new Ac...eX `htmlfile` with a forever loading iframe + * that can be used to listen to messages. Inside the generated + * `htmlfile` a reference will be made to the HTMLFile transport. + * + * @api private + */ + + HTMLFile.prototype.get = function () { + this.doc = new window[(['Active'].concat('Object').join('X'))]('htmlfile'); + this.doc.open(); + this.doc.write(''); + this.doc.close(); + this.doc.parentWindow.s = this; + + var iframeC = this.doc.createElement('div'); + iframeC.className = 'socketio'; + + this.doc.body.appendChild(iframeC); + this.iframe = this.doc.createElement('iframe'); + + iframeC.appendChild(this.iframe); + + var self = this + , query = io.util.query(this.socket.options.query, 't='+ +new Date); + + this.iframe.src = this.prepareUrl() + query; + + io.util.on(window, 'unload', function () { + self.destroy(); + }); + }; + + /** + * The Socket.IO server will write script tags inside the forever + * iframe, this function will be used as callback for the incoming + * information. + * + * @param {String} data The message + * @param {document} doc Reference to the context + * @api private + */ + + HTMLFile.prototype._ = function (data, doc) { + this.onData(data); + try { + var script = doc.getElementsByTagName('script')[0]; + script.parentNode.removeChild(script); + } catch (e) { } + }; + + /** + * Destroy the established connection, iframe and `htmlfile`. + * And calls the `CollectGarbage` function of Internet Explorer + * to release the memory. + * + * @api private + */ + + HTMLFile.prototype.destroy = function () { + if (this.iframe){ + try { + this.iframe.src = 'about:blank'; + } catch(e){} + + this.doc = null; + this.iframe.parentNode.removeChild(this.iframe); + this.iframe = null; + + CollectGarbage(); + } + }; + + /** + * Disconnects the established connection. + * + * @returns {Transport} Chaining. + * @api public + */ + + HTMLFile.prototype.close = function () { + this.destroy(); + return io.Transport.XHR.prototype.close.call(this); + }; + + /** + * Checks if the browser supports this transport. The browser + * must have an `Ac...eXObject` implementation. + * + * @return {Boolean} + * @api public + */ + + HTMLFile.check = function (socket) { + if (typeof window != "undefined" && (['Active'].concat('Object').join('X')) in window){ + try { + var a = new window[(['Active'].concat('Object').join('X'))]('htmlfile'); + return a && io.Transport.XHR.check(socket); + } catch(e){} + } + return false; + }; + + /** + * Check if cross domain requests are supported. + * + * @returns {Boolean} + * @api public + */ + + HTMLFile.xdomainCheck = function () { + // we can probably do handling for sub-domains, we should + // test that it's cross domain but a subdomain here + return false; + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('htmlfile'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports['xhr-polling'] = XHRPolling; + + /** + * The XHR-polling transport uses long polling XHR requests to create a + * "persistent" connection with the server. + * + * @constructor + * @api public + */ + + function XHRPolling () { + io.Transport.XHR.apply(this, arguments); + }; + + /** + * Inherits from XHR transport. + */ + + io.util.inherit(XHRPolling, io.Transport.XHR); + + /** + * Merge the properties from XHR transport + */ + + io.util.merge(XHRPolling, io.Transport.XHR); + + /** + * Transport name + * + * @api public + */ + + XHRPolling.prototype.name = 'xhr-polling'; + + /** + * Indicates whether heartbeats is enabled for this transport + * + * @api private + */ + + XHRPolling.prototype.heartbeats = function () { + return false; + }; + + /** + * Establish a connection, for iPhone and Android this will be done once the page + * is loaded. + * + * @returns {Transport} Chaining. + * @api public + */ + + XHRPolling.prototype.open = function () { + var self = this; + + io.Transport.XHR.prototype.open.call(self); + return false; + }; + + /** + * Starts a XHR request to wait for incoming messages. + * + * @api private + */ + + function empty () {}; + + XHRPolling.prototype.get = function () { + if (!this.isOpen) return; + + var self = this; + + function stateChange () { + if (this.readyState == 4) { + this.onreadystatechange = empty; + + if (this.status == 200) { + self.onData(this.responseText); + self.get(); + } else { + self.onClose(); + } + } + }; + + function onload () { + this.onload = empty; + this.onerror = empty; + self.retryCounter = 1; + self.onData(this.responseText); + self.get(); + }; + + function onerror () { + self.retryCounter ++; + if(!self.retryCounter || self.retryCounter > 3) { + self.onClose(); + } else { + self.get(); + } + }; + + this.xhr = this.request(); + + if (global.XDomainRequest && this.xhr instanceof XDomainRequest) { + this.xhr.onload = onload; + this.xhr.onerror = onerror; + } else { + this.xhr.onreadystatechange = stateChange; + } + + this.xhr.send(null); + }; + + /** + * Handle the unclean close behavior. + * + * @api private + */ + + XHRPolling.prototype.onClose = function () { + io.Transport.XHR.prototype.onClose.call(this); + + if (this.xhr) { + this.xhr.onreadystatechange = this.xhr.onload = this.xhr.onerror = empty; + try { + this.xhr.abort(); + } catch(e){} + this.xhr = null; + } + }; + + /** + * Webkit based browsers show a infinit spinner when you start a XHR request + * before the browsers onload event is called so we need to defer opening of + * the transport until the onload event is called. Wrapping the cb in our + * defer method solve this. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + XHRPolling.prototype.ready = function (socket, fn) { + var self = this; + + io.util.defer(function () { + fn.call(self); + }); + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('xhr-polling'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + /** + * There is a way to hide the loading indicator in Firefox. If you create and + * remove a iframe it will stop showing the current loading indicator. + * Unfortunately we can't feature detect that and UA sniffing is evil. + * + * @api private + */ + + var indicator = global.document && "MozAppearance" in + global.document.documentElement.style; + + /** + * Expose constructor. + */ + + exports['jsonp-polling'] = JSONPPolling; + + /** + * The JSONP transport creates an persistent connection by dynamically + * inserting a script tag in the page. This script tag will receive the + * information of the Socket.IO server. When new information is received + * it creates a new script tag for the new data stream. + * + * @constructor + * @extends {io.Transport.xhr-polling} + * @api public + */ + + function JSONPPolling (socket) { + io.Transport['xhr-polling'].apply(this, arguments); + + this.index = io.j.length; + + var self = this; + + io.j.push(function (msg) { + self._(msg); + }); + }; + + /** + * Inherits from XHR polling transport. + */ + + io.util.inherit(JSONPPolling, io.Transport['xhr-polling']); + + /** + * Transport name + * + * @api public + */ + + JSONPPolling.prototype.name = 'jsonp-polling'; + + /** + * Posts a encoded message to the Socket.IO server using an iframe. + * The iframe is used because script tags can create POST based requests. + * The iframe is positioned outside of the view so the user does not + * notice it's existence. + * + * @param {String} data A encoded message. + * @api private + */ + + JSONPPolling.prototype.post = function (data) { + var self = this + , query = io.util.query( + this.socket.options.query + , 't='+ (+new Date) + '&i=' + this.index + ); + + if (!this.form) { + var form = document.createElement('form') + , area = document.createElement('textarea') + , id = this.iframeId = 'socketio_iframe_' + this.index + , iframe; + + form.className = 'socketio'; + form.style.position = 'absolute'; + form.style.top = '0px'; + form.style.left = '0px'; + form.style.display = 'none'; + form.target = id; + form.method = 'POST'; + form.setAttribute('accept-charset', 'utf-8'); + area.name = 'd'; + form.appendChild(area); + document.body.appendChild(form); + + this.form = form; + this.area = area; + } + + this.form.action = this.prepareUrl() + query; + + function complete () { + initIframe(); + self.socket.setBuffer(false); + }; + + function initIframe () { + if (self.iframe) { + self.form.removeChild(self.iframe); + } + + try { + // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) + iframe = document.createElement('