/// <summary>
/// Extract device capabilities
/// </summary>
/// <param name="portableDeviceClass"></param>
internal void ExtractDeviceCapabilities(PortableDeviceClass portableDeviceClass)
{
if (portableDeviceClass == null)
{
throw new ArgumentNullException("portableDeviceClass");
}
try
{
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
IPortableDevicePropVariantCollection functionalCategories;
capabilities.GetFunctionalCategories(out functionalCategories);
if (functionalCategories == null)
{
throw new PortableDeviceException("Failed to extract functionnal categories");
}
uint countCategories = 1;
functionalCategories.GetCount(ref countCategories);
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
string categoryName;
Guid currentGuid;
for (uint i = 0; i < countCategories; i++)
{
functionalCategories.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FUNCTIONAL_CATEGORIES, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FUNCTIONAL_CATEGORIES, out categoryName);
currentGuid = new Guid(categoryName);
this.functionalCategories.Add(currentGuid, new FunctionalCategory(
portableDeviceClass,
currentGuid,
PortableDeviceHelpers.GetKeyNameFromGuid(currentGuid)));
}
}
catch (Exception ex)
{
throw new PortableDeviceException("Error on extract device capabilities", ex);
}
}
private void ExtractContentType(PortableDeviceClass portableDeviceClass, Guid functionalCategory)
{
if (portableDeviceClass == null)
{
throw new ArgumentNullException("portableDeviceClass");
}
try
{
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
System.Diagnostics.Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
//Functional objects variables
IPortableDevicePropVariantCollection contentTypes;
uint countObjects = 1;
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
string contentTypeName;
Guid currentContentTypeGuid;
capabilities.GetSupportedContentTypes(ref functionalCategory, out contentTypes);
contentTypes.GetCount(ref countObjects);
for (uint i = 0; i < countObjects; i++)
{
contentTypes.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_CONTENT_TYPES, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_CONTENT_TYPES, out contentTypeName);
currentContentTypeGuid = new Guid(contentTypeName);
this.contentTypes.Add(currentContentTypeGuid, new ContentType(
portableDeviceClass,
currentContentTypeGuid,
PortableDeviceHelpers.GetKeyNameFromGuid(currentContentTypeGuid)));
}
}
catch (Exception ex)
{
throw new PortableDeviceException("Error on extract functional object", ex);
}
}
private void ExtractSupportedFormat(PortableDeviceClass portableDeviceClass, Guid contentType)
{
if (portableDeviceClass == null)
{
throw new PortableDeviceException("");
}
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
System.Diagnostics.Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
//Functional objects variables
IPortableDevicePropVariantCollection formats;
uint countObjects = 1;
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
string formatName;
Guid currentFormat;
capabilities.GetSupportedFormats(ref contentType, out formats);
formats.GetCount(ref countObjects);
for (uint i = 0; i < countObjects; i++)
{
formats.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FORMATS, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FORMATS, out formatName);
currentFormat = new Guid(formatName);
this.formats.Add(currentFormat, PortableDeviceHelpers.GetKeyNameFromGuid(currentFormat));
}
}
/// <summary>
/// Extract event supported by device
/// </summary>
/// <param name="portableDeviceClass"></param>
internal void ExtractEvents(PortableDeviceClass portableDeviceClass)
{
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
PortableDeviceApiLib.IPortableDevicePropVariantCollection events;
capabilities.GetSupportedEvents(out events);
uint countEvents = 0;
events.GetCount(ref countEvents);
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
tag_inner_PROPVARIANT evt = new tag_inner_PROPVARIANT();
Guid eventName;
IPortableDeviceValues eventOptions;
PortableDeviceEventDescription eventDescription;
for (uint i = 0; i < countEvents; i++)
{
events.GetAt(i, ref evt);
pValues.SetValue(ref PortableDevicePKeys.WPD_EVENT_PARAMETER_EVENT_ID, ref evt);
pValues.GetGuidValue(ref PortableDevicePKeys.WPD_EVENT_PARAMETER_EVENT_ID, out eventName);
eventDescription = new PortableDeviceEventDescription(eventName, PortableDeviceHelpers.GetKeyNameFromGuid(eventName));
//Retrieve options
try
{ // Event option isn't always present, so ...
eventOptions = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
capabilities.GetEventOptions(ref eventName, out eventOptions);
//eventOptions.GetBoolValue(ref PortableDevicePKeys.WPD_EVENT_OPTION_IS_AUTOPLAY_EVENT, out isAutoPlayEvent);
//eventOptions.GetBoolValue(ref PortableDevicePKeys.WPD_EVENT_OPTION_IS_BROADCAST_EVENT, out isBroadcastEvent);
//eventDescription.AddOptions(new PortableDeviceEventOption()
//{
// Guid = PortableDevicePKeys.WPD_EVENT_OPTION_IS_BROADCAST_EVENT.fmtid,
// Name = PortableDeviceHelpers.GetKeyNameFromGuid(PortableDevicePKeys.WPD_EVENT_OPTION_IS_BROADCAST_EVENT.fmtid),
// Value = isBroadcastEvent,
// ValueType = TypeCode.Boolean
//});
//eventDescription.AddOptions(new PortableDeviceEventOption()
//{
// Guid = PortableDevicePKeys.WPD_EVENT_OPTION_IS_AUTOPLAY_EVENT.fmtid,
// Name = PortableDeviceHelpers.GetKeyNameFromGuid(PortableDevicePKeys.WPD_EVENT_OPTION_IS_AUTOPLAY_EVENT.fmtid),
// Value = isAutoPlayEvent,
// ValueType = TypeCode.Boolean
//});
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
}
this.events.Add(eventDescription, PortableDevicePKeys.WPD_EVENT_PARAMETER_EVENT_ID);
}
}
