/// <summary>
/// Gets the list of objects.
/// </summary>
/// <param name="parentObject">The parent object handle. If parentHandle is 0, it means "root folder" of mtp storage.</param>
/// <param name="fileType">The file type what you want.</param>
/// <returns>List of objects.</returns>
/// <feature>http://tizen.org/feature/network.mtp</feature>
/// <remarks>
/// http://tizen.org/privilege/mediastorage is needed if input or output path are relevant to media storage.
/// http://tizen.org/privilege/externalstorage is needed if input or output path are relevant to external storage.
/// </remarks>
/// <exception cref="NotSupportedException">Thrown when Mtp is not supported.</exception>
/// <exception cref="ArgumentException">Thrown when method is failed due to an invalid parameter.</exception>
/// <exception cref="InvalidOperationException">Thrown when the method failed due to invalid operation.</exception>
/// <since_tizen> 4 </since_tizen>
public IEnumerable <MtpObject> GetObjectList(MtpObject parentObject, MtpFileType fileType)
{
IntPtr objectPtr;
int count = 0;
int ret = Interop.Mtp.GetObjectHandles(_deviceHandle, _storageHandle, parentObject.GetHandle(), (int)fileType, out objectPtr, out count);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get object handle lists, Error - " + (MtpError)ret);
MtpErrorFactory.ThrowMtpException(ret);
}
for (int i = 0; i < count; i++)
{
int objectID = Marshal.ReadInt32(objectPtr);
MtpObject objectItem = new MtpObject(_deviceHandle, objectID);
_objectList.Add(objectItem);
objectPtr += sizeof(int);
}
return(_objectList);
}
/// <summary>
/// Gets the root folder object.
/// </summary>
/// <returns>List of storage objects.</returns>
/// <feature>http://tizen.org/feature/network.mtp</feature>
/// <remarks>
/// http://tizen.org/privilege/mediastorage is needed if input or output path are relevant to media storage.
/// http://tizen.org/privilege/externalstorage is needed if input or output path are relevant to external storage.
/// </remarks>
/// <since_tizen> 4 </since_tizen>
public MtpObject GetRootObject()
{
_rootObject = new MtpObject(_deviceHandle, 0);
return(_rootObject);
}
