CDrivesFolder Class Reference

#include <CDrivesFolder.h>

Inheritance diagram for CDrivesFolder:

Collaboration diagram for CDrivesFolder:

Public Member Functions
	CDrivesFolder ()
	~CDrivesFolder ()
HRESULT WINAPI	FinalConstruct ()
virtual HRESULT WINAPI	ParseDisplayName (HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes)
virtual HRESULT WINAPI	EnumObjects (HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
virtual HRESULT WINAPI	BindToObject (PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
virtual HRESULT WINAPI	BindToStorage (PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
virtual HRESULT WINAPI	CompareIDs (LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
virtual HRESULT WINAPI	CreateViewObject (HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
virtual HRESULT WINAPI	GetAttributesOf (UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut)
virtual HRESULT WINAPI	GetUIObjectOf (HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT *prgfInOut, LPVOID *ppvOut)
virtual HRESULT WINAPI	GetDisplayNameOf (PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet)
virtual HRESULT WINAPI	SetNameOf (HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut)
virtual HRESULT WINAPI	GetDefaultSearchGUID (GUID *pguid)
virtual HRESULT WINAPI	EnumSearches (IEnumExtraSearch **ppenum)
virtual HRESULT WINAPI	GetDefaultColumn (DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
virtual HRESULT WINAPI	GetDefaultColumnState (UINT iColumn, DWORD *pcsFlags)
virtual HRESULT WINAPI	GetDetailsEx (PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv)
virtual HRESULT WINAPI	GetDetailsOf (PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd)
virtual HRESULT WINAPI	MapColumnToSCID (UINT column, SHCOLUMNID *pscid)
virtual HRESULT WINAPI	GetClassID (CLSID *lpClassId)
virtual HRESULT WINAPI	Initialize (PCIDLIST_ABSOLUTE pidl)
virtual HRESULT WINAPI	GetCurFolder (PIDLIST_ABSOLUTE *pidl)
virtual HRESULT WINAPI	CallBack (IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam)
Public Member Functions inherited from ATL::CComObjectRootEx< CComMultiThreadModelNoCS >
	~CComObjectRootEx ()
ULONG	InternalAddRef ()
ULONG	InternalRelease ()
void	Lock ()
void	Unlock ()
HRESULT	_AtlInitialConstruct ()
Public Member Functions inherited from ATL::CComObjectRootBase
	CComObjectRootBase ()
	~CComObjectRootBase ()
void	SetVoid (void *)
HRESULT	_AtlFinalConstruct ()
HRESULT	FinalConstruct ()
void	InternalFinalConstructAddRef ()
void	InternalFinalConstructRelease ()
void	FinalRelease ()
Public Member Functions inherited from IShellFolder
HRESULT	ParseDisplayName ([in] HWND hwndOwner, [in] LPBC pbcReserved, [in, string] LPOLESTR lpszDisplayName, [out] ULONG *pchEaten, [out] PIDLIST_RELATIVE *ppidl, [in, out, unique] ULONG *pdwAttributes)
HRESULT	EnumObjects ([in] HWND hwndOwner, [in] SHCONTF grfFlags, [out] IEnumIDList **ppenumIDList)
HRESULT	BindToObject ([in] PCUIDLIST_RELATIVE pidl, [in] LPBC pbcReserved, [in] REFIID riid, [out, iid_is(riid)] void **ppvOut)
HRESULT	BindToStorage ([in] PCUIDLIST_RELATIVE pidl, [in] LPBC pbcReserved, [in] REFIID riid, [out, iid_is(riid)] void **ppvObj)
HRESULT	CreateViewObject ([in] HWND hwndOwner, [in] REFIID riid, [out, iid_is(riid)] void **ppvOut)
HRESULT	GetAttributesOf ([in] UINT cidl, [in, size_is(cidl)] PCUITEMID_CHILD_ARRAY apidl, [in, out] SFGAOF *rgfInOut)
HRESULT	GetUIObjectOf ([in] HWND hwndOwner, [in] UINT cidl, [in, size_is(cidl)] PCUITEMID_CHILD_ARRAY apidl, [in] REFIID riid, [in, out, unique] UINT *prgfInOut, [out, iid_is(riid)] void **ppvOut)
HRESULT	GetDisplayNameOf ([in] PCUITEMID_CHILD pidl, [in] SHGDNF uFlags, [out] STRRET *lpName)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Private Attributes
LPITEMIDLIST	pidlRoot
CComPtr< IShellFolder2 >	m_regFolder

Additional Inherited Members
Public Types inherited from IShellFolder2
typedef struct IShellFolder2::SHCOLUMNID *	LPSHCOLUMNID
typedef const SHCOLUMNID *	LPCSHCOLUMNID
Public Types inherited from IShellFolder
enum	tagSHGDN {   SHGDN_NORMAL = 0, SHGDN_INFOLDER = 1, SHGDN_FOREDITING = 0x1000, SHGDN_INCLUDE_NONFILESYS = 0x2000,   SHGDN_FORADDRESSBAR = 0x4000, SHGDN_FORPARSING = 0x8000 }
enum	tagSHCONTF {   SHCONTF_FOLDERS = 32, SHCONTF_NONFOLDERS = 64, SHCONTF_INCLUDEHIDDEN = 128, SHCONTF_INIT_ON_FIRST_NEXT = 256,   SHCONTF_NETPRINTERSRCH = 512, SHCONTF_SHAREABLE = 1024, SHCONTF_STORAGE = 2048, SHCONTF_NAVIGATION_ENUM = 0x01000,   SHCONTF_FASTITEMS = 0x02000, SHCONTF_FLATLIST = 0x04000, SHCONTF_ENABLE_ASYNC = 0x08000, SHCONTF_INCLUDESUPERHIDDEN = 0x10000 }
typedef IShellFolder *	LPSHELLFOLDER
typedef enum IShellFolder::tagSHGDN	SHGNO
typedef DWORD	SHGDNF
typedef DWORD	SHCONTF
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
Public Types inherited from IPersistFolder2
typedef IPersistFolder2 *	LPPERSISTFOLDER2
Public Types inherited from IPersistFolder
typedef IPersistFolder *	LPPERSISTFOLDER
Public Types inherited from IPersist
typedef IPersist *	LPPERSIST
Static Public Member Functions inherited from ATL::CComObjectRootBase
static void WINAPI	ObjectMain (bool)
static const struct _ATL_CATMAP_ENTRY *	GetCategoryMap ()
static HRESULT WINAPI	InternalQueryInterface (void *pThis, const _ATL_INTMAP_ENTRY *pEntries, REFIID iid, void **ppvObject)
Public Attributes inherited from ATL::CComObjectRootBase
LONG	m_dwRef
Public Attributes inherited from IShellFolder
SFGAO_STORAGEANCESTOR typedef ULONG	SFGAOF

Detailed Description

Definition at line 26 of file CDrivesFolder.h.

Constructor & Destructor Documentation

CDrivesFolder()

CDrivesFolder::CDrivesFolder

(

)

Definition at line 550 of file CDrivesFolder.cpp.

{
    pidlRoot = NULL;
}

~CDrivesFolder()

CDrivesFolder::~CDrivesFolder

(

)

Definition at line 555 of file CDrivesFolder.cpp.

{
    TRACE ("-- destroying IShellFolder(%p)\n", this);
    SHFree(pidlRoot);
}

Member Function Documentation

BindToObject()

HRESULT WINAPI CDrivesFolder::BindToObject ( PCUIDLIST_RELATIVE  pidl, LPBC  pbcReserved, REFIID  riid, LPVOID *  ppvOut  )

virtual

Definition at line 658 of file CDrivesFolder.cpp.

{
    TRACE("(%p)->(pidl=%p,%p,%s,%p)\n", this,
          pidl, pbcReserved, shdebugstr_guid(&riid), ppvOut);

    if (!pidl)
        return E_INVALIDARG;

    if (_ILIsSpecialFolder(pidl))
        return m_regFolder->BindToObject(pidl, pbcReserved, riid, ppvOut);

    CHAR* pchDrive = _ILGetDataPointer(pidl)->u.drive.szDriveName;
    
    PERSIST_FOLDER_TARGET_INFO pfti = {0};
    pfti.dwAttributes = -1;
    pfti.csidl = -1;
    pfti.szTargetParsingName[0] = *pchDrive;
    pfti.szTargetParsingName[1] = L':';
    pfti.szTargetParsingName[2] = L'\\';

    HRESULT hr = SHELL32_BindToSF(pidlRoot,
                                  &pfti,
                                  pidl,
                                  &CLSID_ShellFSFolder,
                                  riid,
                                  ppvOut);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;

    return S_OK;
}

Referenced by GetUIObjectOf().

BindToStorage()

HRESULT WINAPI CDrivesFolder::BindToStorage ( PCUIDLIST_RELATIVE  pidl, LPBC  pbcReserved, REFIID  riid, LPVOID *  ppvOut  )

virtual

Definition at line 693 of file CDrivesFolder.cpp.

{
    FIXME("(%p)->(pidl=%p,%p,%s,%p) stub\n", this,
          pidl, pbcReserved, shdebugstr_guid (&riid), ppvOut);

    *ppvOut = NULL;
    return E_NOTIMPL;
}

CallBack()

HRESULT WINAPI CDrivesFolder::CallBack ( IShellFolder *  psf, HWND  hwndOwner, IDataObject *  pdtobj, UINT  uMsg, WPARAM  wParam, LPARAM  lParam  )

virtual

Implements IContextMenuCB.

Definition at line 1209 of file CDrivesFolder.cpp.

{
    if (uMsg != DFM_MERGECONTEXTMENU && uMsg != DFM_INVOKECOMMAND)
        return S_OK;

    /* no data object means no selection */
    if (!pdtobj)
    {
        if (uMsg == DFM_INVOKECOMMAND && wParam == 1)   // #1
        {
            // "System" properties
            ShellExecuteW(hwndOwner,
                          NULL,
                          L"rundll32.exe",
                          L"shell32.dll,Control_RunDLL sysdm.cpl",
                          NULL,
                          SW_SHOWNORMAL);
        }
        else if (uMsg == DFM_MERGECONTEXTMENU)
        {
            QCMINFO *pqcminfo = (QCMINFO *)lParam;
            HMENU hpopup = CreatePopupMenu();
            _InsertMenuItemW(hpopup, 0, TRUE, 0, MFT_SEPARATOR, NULL, MFS_ENABLED); // #0
            _InsertMenuItemW(hpopup, 1, TRUE, 1, MFT_STRING, MAKEINTRESOURCEW(IDS_PROPERTIES), MFS_ENABLED); // #1
            Shell_MergeMenus(pqcminfo->hmenu, hpopup, pqcminfo->indexMenu++, pqcminfo->idCmdFirst, pqcminfo->idCmdLast, MM_ADDSEPARATOR);
            DestroyMenu(hpopup);
        }

        return S_OK;
    }

    if (uMsg != DFM_INVOKECOMMAND || wParam != DFM_CMD_PROPERTIES)
        return S_OK;

    return Shell_DefaultContextMenuCallBack(this, pdtobj);
}

CompareIDs()

HRESULT WINAPI CDrivesFolder::CompareIDs ( LPARAM  lParam, PCUIDLIST_RELATIVE  pidl1, PCUIDLIST_RELATIVE  pidl2  )

virtual

Implements IShellFolder.

Definition at line 706 of file CDrivesFolder.cpp.

{
    HRESULT hres;

    if (!pidl1 || !pidl2)
    {
        ERR("Got null pidl pointer (%Ix %p %p)!\n", lParam, pidl1, pidl2);
        return E_INVALIDARG;
    }

    if (_ILIsSpecialFolder(pidl1) || _ILIsSpecialFolder(pidl2))
        return m_regFolder->CompareIDs(lParam, pidl1, pidl2);

    if (!_ILIsDrive(pidl1) || !_ILIsDrive(pidl2) || LOWORD(lParam) >= MYCOMPUTERSHELLVIEWCOLUMNS)
        return E_INVALIDARG;

    CHAR* pszDrive1 = _ILGetDataPointer(pidl1)->u.drive.szDriveName;
    CHAR* pszDrive2 = _ILGetDataPointer(pidl2)->u.drive.szDriveName;

    int result;
    switch(LOWORD(lParam)) 
    {
        case 0:        /* name */
        {
            result = stricmp(pszDrive1, pszDrive2);
            hres = MAKE_COMPARE_HRESULT(result);
            break;
        }
        case 1:        /* comments */
            hres = MAKE_COMPARE_HRESULT(0);
            break;
        case 2:        /* Type */
        {
            /* We want to return immediately because SHELL32_CompareDetails also compares children. */
            return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
        }
        case 3:       /* Size */
        case 4:       /* Size Available */
        {
            ULARGE_INTEGER Drive1Available, Drive1Total, Drive2Available, Drive2Total;

            if (GetVolumeInformationA(pszDrive1, NULL, 0, NULL, NULL, NULL, NULL, 0))
                GetDiskFreeSpaceExA(pszDrive1, &Drive1Available, &Drive1Total, NULL);
            else
                Drive1Available.QuadPart = Drive1Total.QuadPart = 0;

            if (GetVolumeInformationA(pszDrive2, NULL, 0, NULL, NULL, NULL, NULL, 0))
                GetDiskFreeSpaceExA(pszDrive2, &Drive2Available, &Drive2Total, NULL);
            else
                Drive2Available.QuadPart = Drive2Total.QuadPart = 0;

            LARGE_INTEGER Diff;
            if (lParam == 3) /* Size */
                Diff.QuadPart = Drive1Total.QuadPart - Drive2Total.QuadPart;
            else /* Size available */
                Diff.QuadPart = Drive1Available.QuadPart - Drive2Available.QuadPart;

            hres = MAKE_COMPARE_HRESULT(Diff.QuadPart);
            break;
        }
        default:
            return E_INVALIDARG;
    }

    if (HRESULT_CODE(hres) == 0)
        return SHELL32_CompareChildren(this, lParam, pidl1, pidl2);

    return hres;
}

CreateViewObject()

HRESULT WINAPI CDrivesFolder::CreateViewObject ( HWND  hwndOwner, REFIID  riid, LPVOID *  ppvOut  )

virtual

Definition at line 779 of file CDrivesFolder.cpp.

{
    CComPtr<IShellView> pShellView;
    HRESULT hr = E_INVALIDARG;

    TRACE("(%p)->(hwnd=%p,%s,%p)\n", this,
          hwndOwner, shdebugstr_guid (&riid), ppvOut);

    if (!ppvOut)
        return hr;

    *ppvOut = NULL;

    if (IsEqualIID(riid, IID_IDropTarget))
    {
        WARN("IDropTarget not implemented\n");
        hr = E_NOTIMPL;
    }
    else if (IsEqualIID(riid, IID_IContextMenu))
    {
        HKEY hKeys[16];
        UINT cKeys = 0;
        AddClassKeyToArray(L"Directory\\Background", hKeys, &cKeys);

        DEFCONTEXTMENU dcm;
        dcm.hwnd = hwndOwner;
        dcm.pcmcb = this;
        dcm.pidlFolder = pidlRoot;
        dcm.psf = this;
        dcm.cidl = 0;
        dcm.apidl = NULL;
        dcm.cKeys = cKeys;
        dcm.aKeys = hKeys;
        dcm.punkAssociationInfo = NULL;
        hr = SHCreateDefaultContextMenu(&dcm, riid, ppvOut);
    }
    else if (IsEqualIID(riid, IID_IShellView))
    {
            SFV_CREATE sfvparams = {sizeof(SFV_CREATE), this};
            hr = SHCreateShellFolderView(&sfvparams, (IShellView**)ppvOut);
    }
    TRACE ("-- (%p)->(interface=%p)\n", this, ppvOut);
    return hr;
}

EnumObjects()

HRESULT WINAPI CDrivesFolder::EnumObjects ( HWND  hwndOwner, DWORD  dwFlags, LPENUMIDLIST *  ppEnumIDList  )

virtual

Definition at line 647 of file CDrivesFolder.cpp.

{
    CComPtr<IEnumIDList> pRegEnumerator;
    m_regFolder->EnumObjects(hwndOwner, dwFlags, &pRegEnumerator);

    return ShellObjectCreatorInit<CDrivesFolderEnum>(hwndOwner, dwFlags, pRegEnumerator, IID_PPV_ARG(IEnumIDList, ppEnumIDList));
}

EnumSearches()

HRESULT WINAPI CDrivesFolder::EnumSearches ( IEnumExtraSearch **  ppenum )

virtual

Implements IShellFolder2.

Definition at line 1068 of file CDrivesFolder.cpp.

{
    FIXME ("(%p)\n", this);
    return E_NOTIMPL;
}

FinalConstruct()

HRESULT WINAPI CDrivesFolder::FinalConstruct

(

)

Definition at line 561 of file CDrivesFolder.cpp.

{
    pidlRoot = _ILCreateMyComputer();    /* my qualified pidl */
    if (pidlRoot == NULL)
        return E_OUTOFMEMORY;

    HRESULT hr = CRegFolder_CreateInstance(&CLSID_MyComputer, 
                                           pidlRoot, 
                                           L"::{20D04FE0-3AEA-1069-A2D8-08002B30309D}", 
                                           L"MyComputer",
                                           IID_PPV_ARG(IShellFolder2, &m_regFolder));

    return hr;
}

GetAttributesOf()

HRESULT WINAPI CDrivesFolder::GetAttributesOf ( UINT  cidl, PCUITEMID_CHILD_ARRAY  apidl, DWORD *  rgfInOut  )

virtual

Definition at line 838 of file CDrivesFolder.cpp.

{
    TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n",
           this, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);

    if (cidl && !apidl)
        return E_INVALIDARG;

    if (*rgfInOut == 0)
        *rgfInOut = ~0;

    /* FIXME: always add SFGAO_CANLINK */
    if(cidl == 0)
        *rgfInOut &= dwComputerAttributes;
    else
    {
        for (UINT i = 0; i < cidl; ++i)
        {
            if (_ILIsDrive(apidl[i]))
                *rgfInOut &= dwDriveAttributes;
            else if (_ILIsControlPanel(apidl[i]))
                *rgfInOut &= dwControlPanelAttributes;
            else if (_ILIsSpecialFolder(*apidl))
                m_regFolder->GetAttributesOf(1, &apidl[i], rgfInOut);
            else
                ERR("Got unknown pidl type!\n");
        }
    }

    /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
    *rgfInOut &= ~SFGAO_VALIDATE;

    TRACE ("-- result=0x%08x\n", *rgfInOut);
    return S_OK;
}

GetClassID()

HRESULT WINAPI CDrivesFolder::GetClassID ( CLSID *  lpClassId )

virtual

Implements IPersist.

Definition at line 1171 of file CDrivesFolder.cpp.

{
    TRACE ("(%p)\n", this);

    if (!lpClassId)
        return E_POINTER;

    *lpClassId = CLSID_MyComputer;
    return S_OK;
}

GetCurFolder()

HRESULT WINAPI CDrivesFolder::GetCurFolder ( PIDLIST_ABSOLUTE *  pidl )

virtual

Implements IPersistFolder2.

Definition at line 1195 of file CDrivesFolder.cpp.

{
    TRACE("(%p)->(%p)\n", this, pidl);

    if (!pidl)
        return E_INVALIDARG; /* xp doesn't have this check and crashes on NULL */

    *pidl = ILClone(pidlRoot);
    return S_OK;
}

GetDefaultColumn()

HRESULT WINAPI CDrivesFolder::GetDefaultColumn ( DWORD  dwRes, ULONG *  pSort, ULONG *  pDisplay  )

virtual

Implements IShellFolder2.

Definition at line 1074 of file CDrivesFolder.cpp.

{
    TRACE ("(%p)\n", this);

    if (pSort)
        *pSort = 0;
    if (pDisplay)
        *pDisplay = 0;
    return S_OK;
}

GetDefaultColumnState()

HRESULT WINAPI CDrivesFolder::GetDefaultColumnState ( UINT  iColumn, DWORD *  pcsFlags  )

virtual

Implements IShellFolder2.

Definition at line 1085 of file CDrivesFolder.cpp.

{
    TRACE ("(%p)\n", this);

    if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
        return E_INVALIDARG;
    *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
    return S_OK;
}

GetDefaultSearchGUID()

HRESULT WINAPI CDrivesFolder::GetDefaultSearchGUID ( GUID *  pguid )

virtual

Implements IShellFolder2.

Definition at line 1062 of file CDrivesFolder.cpp.

{
    FIXME ("(%p)\n", this);
    return E_NOTIMPL;
}

GetDetailsEx()

HRESULT WINAPI CDrivesFolder::GetDetailsEx ( PCUITEMID_CHILD  pidl, const SHCOLUMNID *  pscid, VARIANT *  pv  )

virtual

Implements IShellFolder2.

Definition at line 1095 of file CDrivesFolder.cpp.

{
    FIXME ("(%p)\n", this);
    return E_NOTIMPL;
}

GetDetailsOf()

HRESULT WINAPI CDrivesFolder::GetDetailsOf ( PCUITEMID_CHILD  pidl, UINT  iColumn, SHELLDETAILS *  psd  )

virtual

Implements IShellFolder2.

Definition at line 1101 of file CDrivesFolder.cpp.

{
    HRESULT hr;

    TRACE ("(%p)->(%p %i %p)\n", this, pidl, iColumn, psd);

    if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
        return E_INVALIDARG;

    if (!pidl)
    {
        psd->fmt = MyComputerSFHeader[iColumn].fmt;
        psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
        return SHSetStrRet(&psd->str, MyComputerSFHeader[iColumn].colnameid);
    }
    else if (!_ILIsDrive(pidl))
    {
        return m_regFolder->GetDetailsOf(pidl, iColumn, psd);
    }
    else
    {
        ULARGE_INTEGER ulTotalBytes, ulFreeBytes;
        CHAR* pszDrive = _ILGetDataPointer(pidl)->u.drive.szDriveName;
        UINT DriveType = GetDriveTypeA(pszDrive);
        if (DriveType > DRIVE_RAMDISK)
            DriveType = DRIVE_FIXED;

        switch (iColumn)
        {
            case 0:        /* name */
                hr = GetDisplayNameOf(pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
                break;
            case 1:                /* FIXME: comments */
                hr = SHSetStrRet(&psd->str, "");
                break;
            case 2:        /* type */
                if (DriveType == DRIVE_REMOVABLE && !IsDriveFloppyA(pszDrive))
                    hr = SHSetStrRet(&psd->str, IDS_DRIVE_REMOVABLE);
                else
                    hr = SHSetStrRet(&psd->str, iDriveTypeIds[DriveType]);
                break;
            case 3:        /* total size */
            case 4:        /* free size */
                psd->str.cStr[0] = 0x00;
                psd->str.uType = STRRET_CSTR;
                if (GetVolumeInformationA(pszDrive, NULL, 0, NULL, NULL, NULL, NULL, 0))
                {
                    GetDiskFreeSpaceExA(pszDrive, &ulFreeBytes, &ulTotalBytes, NULL);
                    if (iColumn == 3)
                        StrFormatByteSize64A(ulTotalBytes.QuadPart, psd->str.cStr, MAX_PATH);
                    else
                        StrFormatByteSize64A(ulFreeBytes.QuadPart, psd->str.cStr, MAX_PATH);
                }
                hr = S_OK;
                break;
        }
    }

    return hr;
}

GetDisplayNameOf()

HRESULT WINAPI CDrivesFolder::GetDisplayNameOf ( PCUITEMID_CHILD  pidl, DWORD  dwFlags, LPSTRRET  strRet  )

virtual

Definition at line 943 of file CDrivesFolder.cpp.

{
    LPWSTR pszPath;
    HRESULT hr = S_OK;

    TRACE ("(%p)->(pidl=%p,0x%08x,%p)\n", this, pidl, dwFlags, strRet);
    pdump (pidl);

    if (!strRet)
        return E_INVALIDARG;

    if (!_ILIsPidlSimple (pidl))
    {
        return SHELL32_GetDisplayNameOfChild(this, pidl, dwFlags, strRet);
    }
    else if (_ILIsSpecialFolder(pidl))
    {
        return m_regFolder->GetDisplayNameOf(pidl, dwFlags, strRet);
    }
    else if (!_ILIsDrive(pidl))
    {
        ERR("Wrong pidl type\n");
        return E_INVALIDARG;
    }

    pszPath = (LPWSTR)CoTaskMemAlloc((MAX_PATH + 1) * sizeof(WCHAR));
    if (!pszPath)
        return E_OUTOFMEMORY;

    pszPath[0] = 0;

    _ILSimpleGetTextW(pidl, pszPath, MAX_PATH);    /* append my own path */
    /* long view "lw_name (C:)" */
    if (!(dwFlags & SHGDN_FORPARSING))
    {
        WCHAR wszDrive[18] = {0};
        DWORD dwVolumeSerialNumber, dwMaximumComponentLength, dwFileSystemFlags;
        static const WCHAR wszOpenBracket[] = {' ', '(', 0};
        static const WCHAR wszCloseBracket[] = {')', 0};

        lstrcpynW(wszDrive, pszPath, 4);
        pszPath[0] = L'\0';
        GetVolumeInformationW(wszDrive, pszPath,
                                MAX_PATH - 7,
                                &dwVolumeSerialNumber,
                                &dwMaximumComponentLength, &dwFileSystemFlags, NULL, 0);
        pszPath[MAX_PATH-1] = L'\0';
        if (!wcslen(pszPath))
        {
            UINT DriveType, ResourceId;
            DriveType = GetDriveTypeW(wszDrive);
            switch(DriveType)
            {
                case DRIVE_FIXED:
                    ResourceId = IDS_DRIVE_FIXED;
                    break;
                case DRIVE_REMOTE:
                    ResourceId = IDS_DRIVE_NETWORK;
                    break;
                case DRIVE_CDROM:
                    ResourceId = IDS_DRIVE_CDROM;
                    break;
                default:
                    ResourceId = 0;
            }
            if (ResourceId)
            {
                dwFileSystemFlags = LoadStringW(shell32_hInstance, ResourceId, pszPath, MAX_PATH);
                if (dwFileSystemFlags > MAX_PATH - 7)
                    pszPath[MAX_PATH-7] = L'\0';
            }
        }
        wcscat (pszPath, wszOpenBracket);
        wszDrive[2] = L'\0';
        wcscat (pszPath, wszDrive);
        wcscat (pszPath, wszCloseBracket);
    }

    if (SUCCEEDED(hr))
    {
        strRet->uType = STRRET_WSTR;
        strRet->pOleStr = pszPath;
    }
    else
        CoTaskMemFree(pszPath);

    TRACE("-- (%p)->(%s)\n", this, strRet->uType == STRRET_CSTR ? strRet->cStr : debugstr_w(strRet->pOleStr));
    return hr;
}

Referenced by GetDetailsOf().

GetUIObjectOf()

HRESULT WINAPI CDrivesFolder::GetUIObjectOf ( HWND  hwndOwner, UINT  cidl, PCUITEMID_CHILD_ARRAY  apidl, REFIID  riid, UINT *  prgfInOut, LPVOID *  ppvOut  )

virtual

Definition at line 886 of file CDrivesFolder.cpp.

{
    LPVOID pObj = NULL;
    HRESULT hr = E_INVALIDARG;

    TRACE("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n", this,
          hwndOwner, cidl, apidl, shdebugstr_guid (&riid), prgfInOut, ppvOut);

    if (!ppvOut)
        return hr;

    *ppvOut = NULL;

    if (IsEqualIID (riid, IID_IContextMenu) && (cidl >= 1))
    {
        if (_ILIsDrive(apidl[0]))
            hr = CDrivesContextMenu_CreateInstance(pidlRoot, hwndOwner, cidl, apidl, static_cast<IShellFolder*>(this), (IContextMenu**)&pObj);
        else
            hr = m_regFolder->GetUIObjectOf(hwndOwner, cidl, apidl, riid, prgfInOut, &pObj);
    }
    else if (IsEqualIID (riid, IID_IDataObject) && (cidl >= 1))
    {
        hr = IDataObject_Constructor (hwndOwner,
                                      pidlRoot, apidl, cidl, TRUE, (IDataObject **)&pObj);
    }
    else if ((IsEqualIID (riid, IID_IExtractIconA) || IsEqualIID (riid, IID_IExtractIconW)) && (cidl == 1))
    {
        if (_ILIsDrive(apidl[0]))
            hr = CDrivesExtractIcon_CreateInstance(this, apidl[0], riid, &pObj);
        else
            hr = m_regFolder->GetUIObjectOf(hwndOwner, cidl, apidl, riid, prgfInOut, &pObj);
    }
    else if (IsEqualIID (riid, IID_IDropTarget) && (cidl == 1))
    {
        CComPtr<IShellFolder> psfChild;
        hr = this->BindToObject(apidl[0], NULL, IID_PPV_ARG(IShellFolder, &psfChild));
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;

        return psfChild->CreateViewObject(NULL, riid, ppvOut);
    }
    else
        hr = E_NOINTERFACE;

    if (SUCCEEDED(hr) && !pObj)
        hr = E_OUTOFMEMORY;

    *ppvOut = pObj;
    TRACE ("(%p)->hr=0x%08x\n", this, hr);
    return hr;
}

Initialize()

HRESULT WINAPI CDrivesFolder::Initialize ( PCIDLIST_ABSOLUTE  pidl )

virtual

Implements IPersistFolder.

Definition at line 1187 of file CDrivesFolder.cpp.

{
    return S_OK;
}

MapColumnToSCID()

HRESULT WINAPI CDrivesFolder::MapColumnToSCID ( UINT  column, SHCOLUMNID *  pscid  )

virtual

Implements IShellFolder2.

Definition at line 1162 of file CDrivesFolder.cpp.

{
    FIXME("(%p)\n", this);
    return E_NOTIMPL;
}

ParseDisplayName()

HRESULT WINAPI CDrivesFolder::ParseDisplayName ( HWND  hwndOwner, LPBC  pbc, LPOLESTR  lpszDisplayName, DWORD *  pchEaten, PIDLIST_RELATIVE *  ppidl, DWORD *  pdwAttributes  )

virtual

Definition at line 579 of file CDrivesFolder.cpp.

{
    HRESULT hr = E_INVALIDARG;
    LPCWSTR szNext = NULL;
    LPITEMIDLIST pidlTemp = NULL;
    WCHAR volumePathName[MAX_PATH];

    TRACE("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n", this,
          hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
          pchEaten, ppidl, pdwAttributes);

    *ppidl = 0;
    if (pchEaten)
        *pchEaten = 0;        /* strange but like the original */

    /* handle CLSID paths */
    if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':')
        return m_regFolder->ParseDisplayName(hwndOwner, pbc, lpszDisplayName, pchEaten, ppidl, pdwAttributes);

    if (PathGetDriveNumberW(lpszDisplayName) < 0)
        return E_INVALIDARG;

    /* check if this drive actually exists */
    if (!GetVolumePathNameW(lpszDisplayName, volumePathName, _countof(volumePathName)) ||
        GetDriveTypeW(volumePathName) < DRIVE_REMOVABLE)
    {
        return HRESULT_FROM_WIN32(ERROR_INVALID_DRIVE);
    }

    pidlTemp = _ILCreateDrive(lpszDisplayName);
    if (!pidlTemp)
        return E_OUTOFMEMORY;

    if (lpszDisplayName[2] == L'\\')
    {
        szNext = &lpszDisplayName[3];
    }

    if (szNext && *szNext)
    {
        hr = SHELL32_ParseNextElement (this, hwndOwner, pbc, &pidlTemp,
                                       (LPOLESTR) szNext, pchEaten, pdwAttributes);
    }
    else
    {
        hr = S_OK;
        if (pdwAttributes && *pdwAttributes)
        {
            if (_ILIsDrive(pidlTemp))
                *pdwAttributes &= dwDriveAttributes;
            else if (_ILIsSpecialFolder(pidlTemp))
                m_regFolder->GetAttributesOf(1, &pidlTemp, pdwAttributes);
            else
                ERR("Got an unkown pidl here!\n");
        }
    }

    *ppidl = pidlTemp;

    TRACE ("(%p)->(-- ret=0x%08x)\n", this, hr);

    return hr;
}

SetNameOf()

HRESULT WINAPI CDrivesFolder::SetNameOf ( HWND  hwndOwner, PCUITEMID_CHILD  pidl, LPCOLESTR  lpName, DWORD  dwFlags, PITEMID_CHILD *  pPidlOut  )

virtual

Implements IShellFolder.

Definition at line 1045 of file CDrivesFolder.cpp.

{
    WCHAR szName[30];

    if (_ILIsDrive(pidl))
    {
        if (_ILSimpleGetTextW(pidl, szName, _countof(szName)))
            SetVolumeLabelW(szName, lpName);
        if (pPidlOut)
            *pPidlOut = _ILCreateDrive(szName);
        return S_OK;
    }

    return m_regFolder->SetNameOf(hwndOwner, pidl, lpName, dwFlags, pPidlOut);
}

Member Data Documentation

m_regFolder

CComPtr<IShellFolder2> CDrivesFolder::m_regFolder

private

Definition at line 36 of file CDrivesFolder.h.

Referenced by BindToObject(), CompareIDs(), EnumObjects(), FinalConstruct(), GetAttributesOf(), GetDetailsOf(), GetDisplayNameOf(), GetUIObjectOf(), ParseDisplayName(), and SetNameOf().

pidlRoot

LPITEMIDLIST CDrivesFolder::pidlRoot

private

Definition at line 35 of file CDrivesFolder.h.

Referenced by BindToObject(), CDrivesFolder(), CreateViewObject(), FinalConstruct(), GetCurFolder(), GetUIObjectOf(), and ~CDrivesFolder().

---

The documentation for this class was generated from the following files:

• dll/win32/shell32/folders/CDrivesFolder.h
• dll/win32/shell32/folders/CDrivesFolder.cpp