void onGetScanApiVersion(long result, ISktScanObject scanObj)
{
if (SktScanErrors.SKTSUCCESS(result))
{
StringBuilder version = new StringBuilder("ScanAPI Version: ");
version.AppendFormat("{0:x}.{1:x}.{2:x}.{3:x} {4:x}/{5:x2}/{6:x2} {7:x}:{8:x}",
scanObj.Property.Version.Major,
scanObj.Property.Version.Middle,
scanObj.Property.Version.Minor,
scanObj.Property.Version.Build,
scanObj.Property.Version.Month,
scanObj.Property.Version.Day,
scanObj.Property.Version.Year,
scanObj.Property.Version.Hour,
scanObj.Property.Version.Minute);
info.Text = version.ToString();
}
}
private void TriggerCompleteCallback(long result, ISktScanObject scanObj)
{
//MessageBox.Show("In trigger complete callback");
}
/// <summary>
/// This method calls OnScanApiTerminated if the set ScanAPI abort
/// failed. If the set ScanAPI abort, the onScanApiTerminated is called
/// upon reception of the Terminate event from ScanAPI
/// </summary>
/// <param name="result"></param>
/// <param name="scanObj"></param>
public void onSetScanApiAbort(long result,ISktScanObject scanObj)
{
if (!SktScanErrors.SKTSUCCESS(result))
{
if (_notification!=null)
_notification.OnScanApiTerminated();
}
}
public void DoCallback(long result,ISktScanObject scanObj)
{
_status=statusCompleted;
if(_callback!=null)
_callback(result,scanObj);
}
public CommandContext(bool getOperation,ISktScanObject scanObj,ISktScanDevice scanDevice,DeviceInfo deviceInfo,ICommandContextCallback callback)
{
this._getOperation=getOperation;
scanObj.Property.Context=this;
this._scanObj=scanObj;
this._callback=callback;
this._status=statusReady;
this._scanDevice=scanDevice;
this._retries=0;
this._deviceInfo=deviceInfo;
this.SymbologyId=0;
}
/**
* HandleScanObject
* This method is called each time this application receives a
* ScanObject from ScanAPI.
* It returns true is the caller can safely close ScanAPI and
* terminate its ScanAPI consumer.
*/
private bool HandleScanObject(ISktScanObject scanObject)
{
bool closeScanApi = false;
switch (scanObject.Msg.ID)
{
case ISktScanMsg.kSktScanMsgIdDeviceArrival:
HandleDeviceArrival(scanObject);
break;
case ISktScanMsg.kSktScanMsgIdDeviceRemoval:
HandleDeviceRemoval(scanObject);
break;
case ISktScanMsg.kSktScanMsgGetComplete:
case ISktScanMsg.kSktScanMsgSetComplete:
DoGetOrSetComplete(scanObject);
break;
case ISktScanMsg.kSktScanMsgIdTerminate:
Debug.MSG(Debug.kLevelTrace, "Receive a Terminate event, ask to close ScanAPI");
closeScanApi = true;
break;
case ISktScanMsg.kSktScanMsgEvent:
HandleEvent(scanObject);
break;
}
return closeScanApi;
}
/**
* HandleEvent
*
* This method handles asynchronous events coming from ScanAPI
* including decoded data
*/
private void HandleEvent(ISktScanObject scanObject)
{
ISktScanEvent Event=scanObject.Msg.Event;
ISktScanDevice iDevice=scanObject.Msg.DeviceInterface;
switch(Event.EventID)
{
case ISktScanEvent.id.kSktScanEventError:
if(_notification!=null){
_notification.OnError(scanObject.Msg.Result,
Event.DataType == ISktScanEvent.types.kSktScanEventDataTypeString ? Event.DataString.Value : null);
}
break;
case ISktScanEvent.id.kSktScanEventDecodedData:
ISktScanDecodedData decodedData = Event.DataDecodedData;
DeviceInfo deviceInfo=GetDeviceInfo(iDevice);
if(_notification!=null){
_notification.OnDecodedData(deviceInfo,decodedData);
}
break;
case ISktScanEvent.id.kSktScanEventPower:
break;
case ISktScanEvent.id.kSktScanEventButtons:
break;
}
}
/**
* HandleDeviceRemoval
* This method is called each time a device is disconnected from the host.
* Usually this will be a good opportunity to close the device
*/
private void HandleDeviceRemoval(ISktScanObject scanObject)
{
ISktScanDevice iDevice=scanObject.Msg.DeviceInterface;
DeviceInfo deviceFound=null;
lock(_devicesList){
foreach (DeviceInfo device in _devicesList)
{
if(device.SktScanDevice==iDevice)
{
deviceFound=device;
break;
}
}
// let's notify whatever UI we might have
if(deviceFound!=null)
{
RemoveCommands(deviceFound);
_devicesList.Remove(deviceFound);
if(_devicesList.Count==0){
if(_noDeviceConnected.Name.Length>0)
_devicesList.Add(_noDeviceConnected);
}
if(_notification!=null)
_notification.OnDeviceRemoval(deviceFound);
}
}
iDevice.Close();
}
/**
* HandleDeviceArrival
* This method is called each time a device connect to the host.
*
* We create a device info object to hold all the necessary
* information about this device, including its interface
* which is used as handle
*/
private void HandleDeviceArrival(ISktScanObject scanObject)
{
String friendlyName=scanObject.Msg.DeviceName;
String deviceGuid=scanObject.Msg.DeviceGuid;
long type=scanObject.Msg.DeviceType;
ISktScanDevice device=SktClassFactory.createDeviceInstance(_scanApi);
DeviceInfo newDevice=null;
long result=device.Open(deviceGuid);
if(SktScanErrors.SKTSUCCESS(result))
{
// add the new device into the list
newDevice=new DeviceInfo(friendlyName,device,type);
lock(_devicesList){
_devicesList.Add(newDevice);
_devicesList.Remove(_noDeviceConnected);
}
}
if(_notification!=null)
_notification.OnDeviceArrival(result,newDevice);
}
/**
* DoGetOrSetComplete
* "Get Complete" events arrive asynchonously via code in the timer handler of the Scanner List dialog. Even
* though they may arrive asynchonously, they only arrive as the result of a successful corresponding "Get"
* request.
*
* This function examines the get complete event given in the pScanObj arg, and dispatches it to the correct
* handler depending on the Property ID it contains.
*
* Each property handler must return ESKT_NOERROR if it has successfully performed its processing.
*/
private long DoGetOrSetComplete(ISktScanObject scanObj)
{
long result=SktScanErrors.ESKT_NOERROR;
bool remove=true;
bool doCallback=true;
if (scanObj != null)
{
result=scanObj.Msg.Result;
CommandContext command=(CommandContext)scanObj.Property.Context;
Debug.MSG(Debug.kLevelTrace,"Complete event received for Context:"+command+"\n");
if(command!=null){
if(!SktScanErrors.SKTSUCCESS(result)&&
(scanObj.Property.ID!=ISktScanProperty.propId.kSktScanPropIdSetPowerOffDevice)){
if(command.Retries>=MAX_RETRIES){
remove=true;
}
else{
remove=false;// don't remove the command for a retry
doCallback=false;// don't call the callback for a silent retry
result=SktScanErrors.ESKT_NOERROR;
}
}
if(doCallback)
command.DoCallback(result,scanObj);
if(remove)
{
lock(_commandContexts){
Debug.MSG(Debug.kLevelTrace,"Remove command from the list\n");
_commandContexts.Remove(command);
}
}
else
{
command.Status=CommandContext.statusReady;
}
}
if(SktScanErrors.SKTSUCCESS(result))
{
result=SendNextCommand();
}
}
return result;
}
/**
* HandleEvent
*
* This method handles asynchronous events coming from ScanAPI
* including decoded data
*/
private void HandleEvent(ISktScanObject scanObject)
{
ISktScanEvent Event=scanObject.Msg.Event;
ISktScanDevice iDevice=scanObject.Msg.DeviceInterface;
switch(Event.EventID)
{
case ISktScanEvent.id.kSktScanEventError:
if(_notification!=null){
_notification.OnError(scanObject.Msg.Result,
Event.DataType == ISktScanEvent.types.kSktScanEventDataTypeString ? Event.DataString.Value : null);
}
break;
case ISktScanEvent.id.kSktScanEventDecodedData:
ISktScanDecodedData decodedData = Event.DataDecodedData;
DeviceInfo deviceInfo=GetDeviceInfo(iDevice);
if(_notification!=null){
_notification.OnDecodedData(deviceInfo,decodedData);
}
// if the Data Confirmation mode is set to App
// then confirm Data here
if(_dataConfirmationMode==
ISktScanProperty.values.confirmationMode.kSktScanDataConfirmationModeApp)
{
PostSetDataConfirmation(deviceInfo,null);
}
break;
case ISktScanEvent.id.kSktScanEventPower:
break;
case ISktScanEvent.id.kSktScanEventButtons:
break;
}
}
public void OnScanApiVersion(long result, ISktScanObject scanObj)
{
if (SktScanErrors.SKTSUCCESS(result))
{
_strScanApiVersion =
Convert.ToString(scanObj.Property.Version.dwMajor, 16) + "." +
Convert.ToString(scanObj.Property.Version.dwMiddle, 16) + "." +
Convert.ToString(scanObj.Property.Version.dwMinor, 16) + " " +
scanObj.Property.Version.dwBuild + " " +
Convert.ToString(scanObj.Property.Version.wYear, 16) + "/" +
Convert.ToString(scanObj.Property.Version.wMonth, 16) + "/" +
Convert.ToString(scanObj.Property.Version.wDay, 16) + " " +
Convert.ToString(scanObj.Property.Version.wHour, 16) + ":" +
Convert.ToString(scanObj.Property.Version.wMinute, 16);
}
}
public void OnGetFirmwareVersion(long result, ISktScanObject scanObj)
{
if (SktScanErrors.SKTSUCCESS(result))
{
_device.Version =
Convert.ToString(scanObj.Property.Version.dwMajor, 16) + "." +
Convert.ToString(scanObj.Property.Version.dwMiddle, 16) + "." +
Convert.ToString(scanObj.Property.Version.dwMinor, 16) + " " +
scanObj.Property.Version.dwBuild + " " +
Convert.ToString(scanObj.Property.Version.wYear, 16) + "/" +
Convert.ToString(scanObj.Property.Version.wMonth, 16) + "/" +
Convert.ToString(scanObj.Property.Version.wDay, 16) + " " +
Convert.ToString(scanObj.Property.Version.wHour, 16) + ":" +
Convert.ToString(scanObj.Property.Version.wMinute, 16);
}
// done with ScanAPI, so go ahead and close it now...
_scanApiHelper.Close();
// Even if we couldn't get the firmware, we can go ahead and try...
// start a thread to begin the dci/cvi process...
var thread = new Thread(DoWarrantyUpdateThread) {Name = "RestThread"};
thread.Start();
}
// OnDeviceArrival will pass this as the callback for the PostGetBtAddress call
public void OnGetBdAddress(long result, ISktScanObject scanObj)
{
if (SktScanErrors.SKTSUCCESS(result))
{
byte[] bd = scanObj.Property.Array.Value;
// Format the BD address the way we need it for the URLs
_device.BdAddress = string.Format("{0:X2}{1:X2}{2:X2}{3:X2}{4:X2}{5:X2}", bd[0], bd[1], bd[2], bd[3], bd[4], bd[5]);
UpdateStatusText("New Scanner: " + _device.Name + " - " + _device.BdAddress);
_scanApiHelper.PostGetFirmware(_device, OnGetFirmwareVersion);
}
else
{
UpdateStatusText(String.Format("Unable to get Bluetooth address - error = %d"));
MessageBox.Show(@"We are sorry, but your scanner is not supported for the Warranty Extension program");
}
}
