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#include "mmsystem.h"
#include "FakeFolderContent.h.tmh"
class FakeFolderContent : public FakeContent
{
public:
FakeFolderContent()
{
}
FakeFolderContent(const FakeContent& src)
{
*this = src;
}
virtual ~FakeFolderContent()
{
}
virtual HRESULT GetAllValues(
_In_ IPortableDeviceValues* pStore)
{
HRESULT hr = S_OK;
PropVariantWrapper pvValue;
if(pStore == NULL)
{
hr = E_POINTER;
CHECK_HR(hr, "Cannot have NULL parameter");
return hr;
}
// Call the base class to fill in the standard properties
hr = FakeContent::GetAllValues(pStore);
if (FAILED(hr))
{
CHECK_HR(hr, "Failed to get basic property set");
return hr;
}
// Add WPD_OBJECT_ORIGINAL_FILE_NAME
pvValue = FileName;
hr = pStore->SetValue(WPD_OBJECT_ORIGINAL_FILE_NAME, &pvValue);
if (hr != S_OK)
{
CHECK_HR(hr, ("Failed to set WPD_OBJECT_ORIGINAL_FILE_NAME"));
return hr;
}
return hr;
}
};
class FakeMemoFolderContent : public FakeFolderContent
{
public:
FakeMemoFolderContent()
{
}
FakeMemoFolderContent(const FakeContent& src)
{
*this = src;
}
virtual ~FakeMemoFolderContent()
{
}
virtual HRESULT GetSupportedResources(_COM_Outptr_ IPortableDeviceKeyCollection** ppKeys)
{
HRESULT hr = S_OK;
CComPtr<IPortableDeviceKeyCollection> pKeys;
if(ppKeys == NULL)
{
hr = E_POINTER;
CHECK_HR(hr, "Cannot have NULL collection parameter");
return hr;
}
*ppKeys = NULL;
if (SUCCEEDED(hr))
{
// Call the base class to fill in the standard resources if any
hr = FakeContent::GetSupportedResources(&pKeys);
CHECK_HR(hr, "Failed to get basic supported resources");
}
if (SUCCEEDED(hr))
{
// Add WPD_RESOURCE_ICON
hr = pKeys->Add(WPD_RESOURCE_ICON);
CHECK_HR(hr, "Failed to add WPD_RESOURCE_ICON to collection");
}
if (SUCCEEDED(hr))
{
hr = pKeys->QueryInterface(IID_IPortableDeviceKeyCollection, (VOID**) ppKeys);
CHECK_HR(hr, "Failed to QI for IPortableDeviceKeyCollection on IPortableDeviceKeyCollection");
}
return hr;
}
virtual HRESULT GetResourceAttributes(
_In_ REFPROPERTYKEY Key,
_COM_Outptr_ IPortableDeviceValues** ppAttributes)
{
HRESULT hr = S_OK;
CComPtr<IPortableDeviceValues> pAttributes;
if(ppAttributes == NULL)
{
hr = E_POINTER;
CHECK_HR(hr, "Cannot have NULL attributes parameter");
return hr;
}
*ppAttributes = NULL;
if (IsEqualPropertyKey(Key, WPD_RESOURCE_ICON))
{
// Fill in the common resource attributes
hr = GetCommonResourceAttributes(&pAttributes);
CHECK_HR(hr, "Failed to get common resource attributes set");
// Override the size attribute for this resource.
if (SUCCEEDED(hr))
{
hr = pAttributes->SetUnsignedIntegerValue(WPD_RESOURCE_ATTRIBUTE_TOTAL_SIZE, GetResourceSize(IDR_WPD_SAMPLEDRIVER_MEMO_FOLDER_ICON));
CHECK_HR(hr, "Failed to set WPD_RESOURCE_ATTRIBUTE_TOTAL_SIZE");
}
// Override the format attribute for this resource.
if (SUCCEEDED(hr))
{
hr = pAttributes->SetGuidValue(WPD_RESOURCE_ATTRIBUTE_FORMAT, WPD_OBJECT_FORMAT_ICON);
CHECK_HR(hr, "Failed to set WPD_RESOURCE_ATTRIBUTE_FORMAT");
}
}
else
{
hr = E_INVALIDARG;
CHECK_HR(hr, "Object does not support this resource");
}
// Return the resource attributes
if (SUCCEEDED(hr))
{
hr = pAttributes->QueryInterface(IID_IPortableDeviceValues, (VOID**) ppAttributes);
CHECK_HR(hr, "Failed to QI for IPortableDeviceValues on Wpd IPortableDeviceValues");
}
return hr;
}
// This sample driver uses a embedded icon resource as its data.
virtual HRESULT ReadData(
_In_ REFPROPERTYKEY ResourceKey,
DWORD dwStartByte,
_Out_writes_to_(dwNumBytesToRead, *pdwNumBytesRead) BYTE* pBuffer,
DWORD dwNumBytesToRead,
_Out_ DWORD* pdwNumBytesRead)
{
HRESULT hr = S_OK;
DWORD dwBytesToTransfer = 0;
DWORD dwObjectDataSize = 0;
PBYTE pResource = NULL;
if((pBuffer == NULL) ||
(pdwNumBytesRead == NULL))
{
hr = E_POINTER;
CHECK_HR(hr, "Cannot have NULL parameter");
return hr;
}
*pdwNumBytesRead = 0;
if (IsEqualPropertyKey(ResourceKey, WPD_RESOURCE_ICON))
{
pResource = GetResourceData(IDR_WPD_SAMPLEDRIVER_MEMO_FOLDER_ICON);
dwObjectDataSize = GetResourceSize(IDR_WPD_SAMPLEDRIVER_MEMO_FOLDER_ICON);
}
else
{
hr = E_INVALIDARG;
CHECK_HR(hr, "Object does not support this resource");
}
if (hr == S_OK)
{
if (pResource == NULL)
{
hr = E_UNEXPECTED;
CHECK_HR(hr, "Failed to get resource representing image data");
}
// Calculate how many bytes to transfer
if (hr == S_OK)
{
if (dwStartByte < dwObjectDataSize)
{
dwBytesToTransfer = (dwObjectDataSize - dwStartByte);
if (dwBytesToTransfer > dwNumBytesToRead)
{
dwBytesToTransfer = dwNumBytesToRead;
}
}
}
// Copy the embedded data.
if ((hr == S_OK) && (dwBytesToTransfer > 0))
{
memcpy(pBuffer, pResource + dwStartByte, dwBytesToTransfer);
}
if (hr == S_OK)
{
*pdwNumBytesRead = dwBytesToTransfer;
}
}
return hr;
}
};
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