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// MediaInfoShellExt_.cpp : Implementation of CMediaInfoShellExt_
#include "stdafx.h"
#include "MediaInfoShellExt_.h"
#include <MediaInfoDLL/MediaInfoDLL_Static.h>
// CMediaInfoShellExt_
HRESULT CMediaInfoShellExt_::Load (LPCOLESTR wszFilename, DWORD)
{
//Save FileName
FileName = wszFilename;
//OK
return S_OK;
}
HRESULT CMediaInfoShellExt_::GetInfoTip (DWORD, LPWSTR* ppwszTip)
{
LPMALLOC Malloc;
std::wstring ToolTip;
//Get an IMalloc interface from the shell.
if (FAILED(SHGetMalloc(&Malloc)))
return E_FAIL;
//Creating tooltip
ToolTip=_T("MediaInfo:\n");
MediaInfoDLL::MediaInfo I;
I.Option(_T("Inform"), _T("Summary"));
I.Open(FileName);
for (size_t StreamKind=0; StreamKind<(size_t)MediaInfoDLL::Stream_Max; StreamKind++)
for (size_t StreamPos=0; StreamPos<I.Count_Get((MediaInfoDLL::stream_t)StreamKind); StreamPos++)
{
if (StreamKind>0)
{
ToolTip+=I.Get((MediaInfoDLL::stream_t)StreamKind, StreamPos, _T("StreamKind"));
ToolTip+=_T(": ");
}
ToolTip+=I.Get((MediaInfoDLL::stream_t)StreamKind, StreamPos, _T("Inform"));
ToolTip+=_T("\r\n");
}
if (ToolTip.size()>2)
ToolTip.resize(ToolTip.size()-2); //Removing the ending \r\n
//Allocate a buffer for Explorer. Note that the must pass the string
//back as a Unicode string, so the string length is multiplied by the
//size of a Unicode character.
*ppwszTip=(LPWSTR)Malloc->Alloc((ToolTip.size()+1)*sizeof(wchar_t));
//Release the IMalloc interface now that we're done using it.
Malloc->Release();
//Enough memory?
if (*ppwszTip==NULL)
return E_OUTOFMEMORY;
//Use the Unicode string copy function to put the tooltip text in the buffer.
wcscpy_s(*ppwszTip, ToolTip.size()+1, T2COLE(ToolTip.c_str()));
//OK
return S_OK;
}
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