winamp/Src/Winamp/ExplorerFindFile.cpp

#include "main.h"
#include "ExplorerFindFile.h"

ExplorerFindFile::ExplorerFindFile()
{
}

ExplorerFindFile::~ExplorerFindFile()
{
}

void ExplorerFindFile::Reset()
{
	pidlList.clear();
}

// still need to make this handle zip:// entries natively to get them working as needed
BOOL ExplorerFindFile::AddFile( wchar_t *file )
{
	LPSHELLFOLDER pDesktopFolder = 0;
	if ( SUCCEEDED( SHGetDesktopFolder( &pDesktopFolder ) ) )
	{
		LPITEMIDLIST filepidl = 0, folderpidl = 0;
		wchar_t folder[ MAX_PATH ] = { 0 },
			param[ 512 ] = { 0 },
			*filews = 0;
		int zip = 0;

		// doing this to handle zip:// entries where there is a valid file
		// path included in the entry so extract it (from FFOD plugin code)
		lstrcpynW( param, file, 7 );
		if ( !lstrcmpiW( param, L"zip://" ) )
		{
			file += 6;
			zip = 1;
		}

		filews = file + lstrlenW( file ) - 1;
		if ( wcsstr( filews, L"." ) != 0 )
		{
			while ( filews && *filews && ( *filews != L'.' ) && ( filews != file ) )
			{
				filews = CharPrevW( file, filews );
				if ( zip && *filews == L',' )
				{
					zip = 0;
				}

				if ( zip && *filews == L'.' )
				{
					zip = 0;
					filews = CharPrevW( file, filews );
				}
			}
		}

		while ( filews && *filews && ( *filews != L',' && *filews != L':' && *filews != L'|' ) )
			filews = CharNextW( filews );

		if ( filews )
			*filews = 0;

		// doing this to handle foo.rsn\bar.spc so it'll just
		// find foo.rsn (which should then be a valid entry)
		filews = wcsstr( file, L".rsn\\" );
		if ( filews )
		{
			*( filews + 4 ) = 0;
		}

		// and now get the folder path of the file
		lstrcpynW( folder, file, MAX_PATH );

		if ( PathIsRelativeW( folder ) )
		{
			// sort out relative files based against winamp.exe
			wchar_t szTemp[ MAX_PATH ] = { 0 }, szTemp2[ MAX_PATH ] = { 0 };
			GetModuleFileNameW( hMainInstance, szTemp, sizeof( szTemp ) );
			PathRemoveFileSpecW( szTemp );
			PathCombineW( szTemp2, szTemp, folder );
			PathCanonicalizeW( folder, szTemp2 );
			// and once calculated then we copy the file back
			lstrcpynW( file, folder, MAX_PATH );
		}

		PathRemoveFileSpecW( folder );

		HRESULT hr = pDesktopFolder->ParseDisplayName( NULL, 0, folder, 0, &folderpidl, 0 );
		if ( FAILED( hr ) )
		{
			pDesktopFolder->Release();
			
			return FALSE;
		}

		hr = pDesktopFolder->ParseDisplayName( NULL, 0, file, 0, &filepidl, 0 );
		if ( FAILED( hr ) )
		{
			pDesktopFolder->Release();
			
			return FALSE;
		}

		PIDLListMap::iterator itr = pidlList.begin();
		for ( ; itr != pidlList.end(); itr++ )
		{
			wchar_t tmp[ MAX_PATH ] = { 0 };
			SHGetPathFromIDListW( itr->first, tmp );
			// the LPITEMIDLIST isn't consistant for all calls it seems and
			// so it requires doing a physical check against the folder path
			// rather than comparing LPITEMIDLIST values which would be nice
			if ( !_wcsnicmp( folder, tmp, wcslen( folder ) ) )
			{
				itr->second.push_back( filepidl );
				break;
			}
		}

		// if we got here then there was no match with the currently parsed
		// folder and so we need to add it to the pidllist for use later on
		if ( itr == pidlList.end() )
		{
			std::vector<LPCITEMIDLIST> list;
			list.push_back( filepidl );
			//PIDLListMap::MapPair p(folderpidl, list);
			pidlList.insert( { folderpidl, list } );
		}

		pDesktopFolder->Release();

		return TRUE;
	}

	return FALSE;
}

BOOL ExplorerFindFile::ShowFiles()
{
	if(pidlList.size())
	{
		BOOL ret = TRUE;
		for (PIDLListMap::iterator itr=pidlList.begin();itr!=pidlList.end();itr++)
		{
			if(FAILED(SHOpenFolderAndSelectItems(itr->first,(UINT)itr->second.size(),itr->second.data(),NULL))){
				ret = FALSE;
			}
		}
		Reset();
		return ret;
	}
	return FALSE;
}

#ifdef CBCLASS
#undef CBCLASS
#endif

#define CBCLASS ExplorerFindFile
START_DISPATCH;
CB(API_EXPLORERFINDFILE_ADDFILE, AddFile)
CB(API_EXPLORERFINDFILE_SHOWFILES, ShowFiles)
VCB(API_EXPLORERFINDFILE_RESET, Reset)
END_DISPATCH