/// <summary>
/// Callback for event from device
/// </summary>
/// <param name="pEventParameters"></param>
public void OnEvent(IPortableDeviceValues pEventParameters)
{
string pnpDeviceId;
pEventParameters.GetStringValue(ref PortableDevicePKeys.WPD_EVENT_PARAMETER_PNP_DEVICE_ID, out pnpDeviceId);
if (this.device.DeviceId != pnpDeviceId)
return;
Guid eventGuid;
pEventParameters.GetGuidValue(ref PortableDevicePKeys.WPD_EVENT_PARAMETER_EVENT_ID, out eventGuid);
PortableDeviceEventType deviceEventType = new PortableDeviceEventType() {EventGuid = eventGuid};
if (eventGuid == PortableDeviceGuids.WPD_EVENT_OBJECT_ADDED)
{
string objectId;
pEventParameters.GetStringValue(ref PortableDevicePKeys.WPD_OBJECT_ID, out objectId);
string objectName;
pEventParameters.GetStringValue(ref PortableDevicePKeys.WPD_OBJECT_NAME, out objectName);
PortableDeviceObject deviceObject = new PortableDeviceObject(objectId) {Name = objectName};
deviceEventType.DeviceObject = deviceObject;
}
// the original api isn't finise, i use a siple workaroud, but this need to be fixed using event factory
//this.device.RaiseEvent(PortableDeviceEventTypeFactory.Instance.CreateEventType(eventGuid));
this.device.RaiseEvent(deviceEventType);
}
/// <summary>
/// Add a child in collection
/// </summary>
/// <param name="child"></param>
internal void AddChild(PortableDeviceObject child)
{
if (this.childs.Contains(child))
{
return;
}
this.childs.Add(child);
}
/// <summary>
/// Add a child in collection
/// </summary>
/// <param name="child"></param>
internal void AddChild(PortableDeviceObject child)
{
if (this.childs.Contains(child))
return;
this.childs.Add(child);
}
//view-source:http://www.experts-exchange.com/Programming/Languages/C_Sharp/Q_26860397.html
//public void StartLiveView()
//{
// IPortableDeviceValues commandValues = (IPortableDeviceValues)new PortableDeviceTypesLib.PortableDeviceValuesClass();
// IPortableDevicePropVariantCollection propVariant =
// (IPortableDevicePropVariantCollection)new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
// IPortableDeviceValues results;
// //commandValues.SetGuidValue(ref PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref command.fmtid);
// commandValues.SetGuidValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY,
// PortableDevicePKeys.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITHOUT_DATA_PHASE.fmtid);
// commandValues.SetUnsignedIntegerValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_ID,
// PortableDevicePKeys.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITHOUT_DATA_PHASE.pid);
// commandValues.SetIPortableDevicePropVariantCollectionValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, propVariant);
// commandValues.SetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPERATION_CODE, 0x9201);
// // According to documentation, first parameter should be 0 (see http://msdn.microsoft.com/en-us/library/dd375691%28v=VS.85%29.aspx)
// this.portableDeviceClass.SendCommand(0, commandValues, out results);
// int pvalue = 0;
// results.GetSignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_RESPONSE_CODE, out pvalue);
//}
// public byte[] GetLiveView()
// {
// // source: http://msdn.microsoft.com/en-us/library/windows/desktop/ff384843(v=vs.85).aspx
// // and view-source:http://www.experts-exchange.com/Programming/Languages/C_Sharp/Q_26860397.html
// // error codes http://msdn.microsoft.com/en-us/library/windows/desktop/dd319335(v=vs.85).aspx
// byte[] imgdate = new byte[921600];
// IPortableDeviceValues commandValues = (IPortableDeviceValues)new PortableDeviceTypesLib.PortableDeviceValuesClass();
// IPortableDeviceValues pParameters = (IPortableDeviceValues)new PortableDeviceTypesLib.PortableDeviceValues();
// IPortableDevicePropVariantCollection propVariant =
// (IPortableDevicePropVariantCollection)new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
// IPortableDeviceValues pResults;
// //commandValues.SetGuidValue(ref PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref command.fmtid);
// commandValues.SetGuidValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY,
// PortableDevicePKeys.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITH_DATA_TO_READ.fmtid);
// commandValues.SetUnsignedIntegerValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_ID,
// PortableDevicePKeys.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITH_DATA_TO_READ.pid);
// commandValues.SetBufferValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, ref imgdate[0], (uint)imgdate.Length);
// commandValues.SetIPortableDevicePropVariantCollectionValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, propVariant);
// commandValues.SetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPERATION_CODE, 0x9203);
// // According to documentation, first parameter should be 0 (see http://msdn.microsoft.com/en-us/library/dd375691%28v=VS.85%29.aspx)
// this.portableDeviceClass.SendCommand(0, commandValues, out pResults);
// try
// {
// int pValue = 0;
// pResults.GetErrorValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_HRESULT, out pValue);
// if (pValue!=0)
// {
// return null;
// }
// }
// catch (Exception ex)
// {
// }
// string pwszContext = string.Empty;
// pResults.GetStringValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT,out pwszContext);
// uint cbReportedDataSize = 0;
// pResults.GetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_TOTAL_DATA_SIZE, out cbReportedDataSize);
// uint tmpBufferSize = 0;
// uint tmpTransferSize = 0;
// string tmpTransferContext = string.Empty;
// {
// pResults.GetStringValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, out tmpTransferContext);
// pResults.GetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_TOTAL_DATA_SIZE, out tmpBufferSize);
// pResults.GetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPTIMAL_TRANSFER_BUFFER_SIZE, out tmpTransferSize);
// try
// {
// int pValue;
// pResults.GetErrorValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_HRESULT, out pValue);
// if(pValue!=0)
// {
// return null;
// }
// }
// catch
// {
// }
// }
// pParameters.Clear();
// pResults.Clear();
// byte[] tmpData = new byte[(int)tmpTransferSize];
// //CCustomReadContext{81CD75F1-A997-4DA2-BAB1-FF5EC514E355}
// pParameters.SetGuidValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, PortableDevicePKeys.WPD_COMMAND_MTP_EXT_READ_DATA.fmtid);
// pParameters.SetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_ID, PortableDevicePKeys.WPD_COMMAND_MTP_EXT_READ_DATA.pid);
// pParameters.SetStringValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, tmpTransferContext);
// pParameters.SetBufferValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, ref tmpData[0], (uint)tmpTransferSize);
// pParameters.SetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_NUM_BYTES_TO_READ, (uint)tmpTransferSize);
// pParameters.SetIPortableDevicePropVariantCollectionValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, propVariant);
// portableDeviceClass.SendCommand(0, pParameters, out pResults);
// uint cbBytesRead = 0;
// try
// {
// int pValue = 0;
// pResults.GetErrorValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_HRESULT, out pValue);
// if (pValue != 0)
// return null;
// }
// catch(Exception ex)
// {
// }
// // 24,142,174,9
// // 18, 8E
// GCHandle pinnedArray = GCHandle.Alloc(imgdate, GCHandleType.Pinned);
// IntPtr ptr = pinnedArray.AddrOfPinnedObject();
// uint dataread =0;
// pResults.GetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_NUM_BYTES_READ, out dataread);
// pResults.GetBufferValue(ref PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, ptr, out cbBytesRead);
// IntPtr tmpPtr = new IntPtr(Marshal.ReadInt64(ptr));
// byte[] res = new byte[(int)cbBytesRead];
// for (int i = 0; i < cbBytesRead; i++)
// {
// res[i] = Marshal.ReadByte(tmpPtr, i);
// }
// pParameters.Clear();
// pResults.Clear();
// {
// pParameters.SetGuidValue(PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, PortableDevicePKeys.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.fmtid);
// pParameters.SetUnsignedIntegerValue(ref PortableDevicePKeys.WPD_PROPERTY_COMMON_COMMAND_ID, PortableDevicePKeys.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.pid);
// pParameters.SetStringValue(PortableDevicePKeys.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, tmpTransferContext);
// }
// portableDeviceClass.SendCommand(0, pParameters, out pResults);
// Marshal.FreeHGlobal(tmpPtr);
// pinnedArray.Free();
// //Marshal.FreeHGlobal(ptr);
// try
// {
// int tmpResult = 0;
// pResults.GetErrorValue(ref PortableDevicePKeys.WPD_PROPERTY_COMMON_HRESULT, out tmpResult);
// if(tmpResult!=0)
// {
// }
// }
// catch
// {
// }
// return res;
//}
/// <summary>
/// Transfer from device to computer
/// Source : http://cgeers.com/2011/08/13/wpd-transferring-content/
/// </summary>
/// <param name="deviceObject"></param>
/// <param name="fileName"></param>
public void SaveFile(PortableDeviceObject deviceObject, string fileName)
{
IPortableDeviceContent content;
portableDeviceClass.Content(out content);
IPortableDeviceResources resources;
content.Transfer(out resources);
PortableDeviceApiLib.IStream wpdStream = null;
uint optimalTransferSize = 0;
var property = PortableDevicePKeys.WPD_RESOURCE_DEFAULT;
try
{
resources.GetStream(deviceObject.ID, ref property, 0, ref optimalTransferSize,
out wpdStream);
}
catch (COMException comException)
{
// check if the device is busy, this may hapen when a another transfer not finished
if ((uint)comException.ErrorCode == PortableDeviceErrorCodes.ERROR_BUSY)
{
Thread.Sleep(500);
SaveFile(deviceObject, fileName);
return;
}
throw comException;
}
System.Runtime.InteropServices.ComTypes.IStream sourceStream =
(System.Runtime.InteropServices.ComTypes.IStream)wpdStream;
FileStream targetStream = new FileStream(fileName,
FileMode.Create, FileAccess.Write);
unsafe
{
var buffer = new byte[1024*256];
int bytesRead;
do
{
sourceStream.Read(buffer, buffer.Length, new IntPtr(&bytesRead));
targetStream.Write(buffer, 0, bytesRead);
} while (bytesRead > 0);
targetStream.Close();
}
}
private void InitializeInstance(PortableDeviceObject obj, string name, string contentType, string format)
{
obj.Name = name;
obj.ContentType = contentType;
obj.Format = format;
}
private PortableDeviceObject CreateGenericObject(string id, string name, string contentType, string format)
{
var obj = new PortableDeviceObject(id);
this.InitializeInstance(obj, name, contentType, format);
return obj;
}
public void Delete(PortableDeviceObject obj, DeleteObjectOptions opts = DeleteObjectOptions.NO_RECURSION)
{
Delete(new[] {obj}, opts);
}
private IPortableDeviceValues GetRequiredPropertiesForPush(PortableDeviceObject parentObject, string name, string originalFileName, ulong size)
{
var values = (IPortableDeviceValues) new PortableDeviceValues();
values.SetStringValue(PortableDevicePKeys.WPD_OBJECT_PARENT_ID, parentObject.ID);
values.SetUnsignedLargeIntegerValue(PortableDevicePKeys.WPD_OBJECT_SIZE, size);
values.SetStringValue(PortableDevicePKeys.WPD_OBJECT_ORIGINAL_FILE_NAME, originalFileName);
values.SetStringValue(PortableDevicePKeys.WPD_OBJECT_NAME, name);
return values;
}
private void ConvertObjectsIdToPropVariant(PortableDeviceObject obj, out tag_inner_PROPVARIANT propvarValue)
{
var pValues = (IPortableDeviceValues) new PortableDeviceValuesClass();
pValues.SetStringValue(PortableDevicePKeys.WPD_OBJECT_ID, obj.ID);
pValues.GetValue(ref PortableDevicePKeys.WPD_OBJECT_ID, out propvarValue);
}
/// <summary>
/// Transfer from device to computer
/// Source : http://cgeers.com/2011/08/13/wpd-transferring-content/
/// Inspired by nikon-camera-control
/// </summary>
/// <param name="deviceObject"></param>
/// <param name="targetStream"></param>
public void Pull(PortableDeviceObject deviceObject, Stream targetStream)
{
IPortableDeviceContent content;
portableDeviceClass.Content(out content);
IPortableDeviceResources resources;
content.Transfer(out resources);
IStream wpdStream;
uint optimalTransferSize = 0;
_tagpropertykey property = PortableDevicePKeys.WPD_RESOURCE_DEFAULT;
int numRetries = 3;
const int retryTimeout = 500;
const uint STGM_READ = 0;
do
{
try
{
resources.GetStream(deviceObject.ID, ref property, STGM_READ, ref optimalTransferSize, out wpdStream);
numRetries = 0;
}
catch (COMException comException)
{
if ((uint) comException.ErrorCode == PortableDeviceErrorCodes.ERROR_BUSY)
{
Thread.Sleep(retryTimeout);
}
throw;
}
} while (numRetries-- > 0);
var sourceStream = (System.Runtime.InteropServices.ComTypes.IStream) wpdStream;
unsafe
{
var buffer = new byte[1024*256];
int bytesRead;
do
{
sourceStream.Read(buffer, buffer.Length, new IntPtr(&bytesRead));
if (bytesRead == 0)
break;
targetStream.Write(buffer, 0, bytesRead);
} while (bytesRead > 0);
targetStream.Close();
}
Marshal.ReleaseComObject(sourceStream);
Marshal.ReleaseComObject(wpdStream);
}
public bool IsObjectMatching(PortableDeviceObject obj)
{
return true;
}
private bool MatchesPath(PortableDeviceObject portableDeviceObject, string pathNode)
{
// Defined content types that represent filesystem object don't contain extension
var file = portableDeviceObject as PortableDeviceFileObject;
if (file != null)
return Regex.IsMatch(file.FileName, pathNode, RegexOptions.IgnoreCase);
return Regex.IsMatch(portableDeviceObject.Name, pathNode, RegexOptions.IgnoreCase);
}
public bool IsObjectMatching(PortableDeviceObject obj)
{
if (paths.Count == 0)
return false;
var pathNode = paths.Peek();
return MatchesPath(obj, pathNode);
}
