CDrivesFolder Class Reference

#include <CDrivesFolder.h>

Inheritance diagram for CDrivesFolder:

Collaboration diagram for CDrivesFolder:

Public Member Functions
	CDrivesFolder ()
	~CDrivesFolder ()
HRESULT WINAPI	FinalConstruct ()
STDMETHOD()	ParseDisplayName (HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes) override
STDMETHOD()	EnumObjects (HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList) override
STDMETHOD()	BindToObject (PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override
STDMETHOD()	BindToStorage (PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override
STDMETHOD()	CompareIDs (LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2) override
STDMETHOD()	CreateViewObject (HWND hwndOwner, REFIID riid, LPVOID *ppvOut) override
STDMETHOD()	GetAttributesOf (UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut) override
STDMETHOD()	GetUIObjectOf (HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT *prgfInOut, LPVOID *ppvOut) override
STDMETHOD()	GetDisplayNameOf (PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet) override
STDMETHOD()	SetNameOf (HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut) override
STDMETHOD()	GetDefaultSearchGUID (GUID *pguid) override
STDMETHOD()	EnumSearches (IEnumExtraSearch **ppenum) override
STDMETHOD()	GetDefaultColumn (DWORD dwRes, ULONG *pSort, ULONG *pDisplay) override
STDMETHOD()	GetDefaultColumnState (UINT iColumn, DWORD *pcsFlags) override
STDMETHOD()	GetDetailsEx (PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv) override
STDMETHOD()	GetDetailsOf (PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd) override
STDMETHOD()	MapColumnToSCID (UINT column, SHCOLUMNID *pscid) override
STDMETHOD()	GetClassID (CLSID *lpClassId) override
STDMETHOD()	Initialize (PCIDLIST_ABSOLUTE pidl) override
STDMETHOD()	GetCurFolder (PIDLIST_ABSOLUTE *pidl) override
STDMETHOD()	CallBack (IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam) override
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 ()
HRESULT	GetDefaultSearchGUID ([out] GUID *lpguid)
HRESULT	EnumSearches ([out] IEnumExtraSearch **ppenum)
HRESULT	GetDefaultColumn ([in] DWORD dwReserved, [out] ULONG *pSort, [out] ULONG *pDisplay)
HRESULT	GetDefaultColumnState ([in] UINT iColumn, [out] SHCOLSTATEF *pcsFlags)
HRESULT	GetDetailsEx ([in] PCUITEMID_CHILD pidl, [in] const SHCOLUMNID *pscid, [out] VARIANT *pv)
HRESULT	GetDetailsOf ([in] PCUITEMID_CHILD pidl, [in] UINT iColumn, [out] SHELLDETAILS *psd)
HRESULT	MapColumnToSCID ([in] UINT iColumn, [in] SHCOLUMNID *pscid)
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	CompareIDs ([in] LPARAM lParam, [in] PCUIDLIST_RELATIVE pidl1, [in] PCUIDLIST_RELATIVE pidl2)
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)
HRESULT	SetNameOf ([in] HWND hwnd, [in] PCUITEMID_CHILD pidl, [in, string] LPCOLESTR lpszName, [in] SHGDNF uFlags, [out] PITEMID_CHILD *ppidlOut)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()
HRESULT	GetCurFolder ([out] PIDLIST_ABSOLUTE *ppidl)
HRESULT	Initialize ([in] PCIDLIST_ABSOLUTE pidl)
HRESULT	GetClassID ([out] CLSID *pClassID)
HRESULT	CallBack ([in] IShellFolder *psf, [in] HWND hwndOwner, [in] IDataObject *pdtobj, [in] UINT uMsg, [in] WPARAM wParam, [in] LPARAM lParam)

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
typedef ULONG	SFGAOF
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

Detailed Description

Definition at line 26 of file CDrivesFolder.h.

Constructor & Destructor Documentation

CDrivesFolder()

CDrivesFolder::CDrivesFolder

(

)

Definition at line 629 of file CDrivesFolder.cpp.

{
    pidlRoot = NULL;
}

~CDrivesFolder()

CDrivesFolder::~CDrivesFolder

(

)

Definition at line 634 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  )

override

Definition at line 745 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(), and ParseDisplayName().

BindToStorage()

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

override

Definition at line 780 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  )

override

Implements IContextMenuCB.

Definition at line 1308 of file CDrivesFolder.cpp.

{
    enum { IDC_PROPERTIES };
    /* no data object means no selection */
    if (!pdtobj)
    {
        if (uMsg == DFM_INVOKECOMMAND && wParam == IDC_PROPERTIES)
        {
            // "System" properties
            return SHELL_ExecuteControlPanelCPL(hwndOwner, L"sysdm.cpl") ? S_OK : E_FAIL;
        }
        else if (uMsg == DFM_MERGECONTEXTMENU)
        {
            QCMINFO *pqcminfo = (QCMINFO *)lParam;
            HMENU hpopup = CreatePopupMenu();
            _InsertMenuItemW(hpopup, 0, TRUE, IDC_PROPERTIES, MFT_STRING, MAKEINTRESOURCEW(IDS_PROPERTIES), MFS_ENABLED);
            pqcminfo->idCmdFirst = Shell_MergeMenus(pqcminfo->hmenu, hpopup, pqcminfo->indexMenu, pqcminfo->idCmdFirst, pqcminfo->idCmdLast, MM_ADDSEPARATOR);
            DestroyMenu(hpopup);
            return S_OK;
        }
    }
    return SHELL32_DefaultContextMenuCallBack(psf, pdtobj, uMsg);
}

CompareIDs()

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

override

Implements IShellFolder.

Definition at line 793 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);
 
    UINT iColumn = LOWORD(lParam);
    if (!_ILIsDrive(pidl1) || !_ILIsDrive(pidl2) || iColumn >= _countof(MyComputerSFHeader))
        return E_INVALIDARG;
 
    CHAR* pszDrive1 = _ILGetDataPointer(pidl1)->u.drive.szDriveName;
    CHAR* pszDrive2 = _ILGetDataPointer(pidl2)->u.drive.szDriveName;
 
    int result;
    switch (MyComputerSFHeader[iColumn].colnameid)
    {
        case IDS_SHV_COLUMN_NAME:
        {
            result = stricmp(pszDrive1, pszDrive2);
            hres = MAKE_COMPARE_HRESULT(result);
            break;
        }
        case IDS_SHV_COLUMN_TYPE:
        {
            /* We want to return immediately because SHELL32_CompareDetails also compares children. */
            return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
        }
        case IDS_SHV_COLUMN_DISK_CAPACITY:
        case IDS_SHV_COLUMN_DISK_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;
        }
        case IDS_SHV_COLUMN_COMMENTS:
            hres = MAKE_COMPARE_HRESULT(0);
            break;
        DEFAULT_UNREACHABLE;
    }
 
    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  )

override

Definition at line 866 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  )

override

Definition at line 734 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 )

override

Implements IShellFolder2.

Definition at line 1155 of file CDrivesFolder.cpp.

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

FinalConstruct()

HRESULT WINAPI CDrivesFolder::FinalConstruct

(

)

Definition at line 640 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  )

override

Definition at line 914 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;
 
                if (_ILGetDriveType(apidl[i]) == DRIVE_CDROM)
                    *rgfInOut &= ~SFGAO_CANRENAME; // CD-ROM drive cannot rename
            }
            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;
}

Referenced by ParseDisplayName().

GetClassID()

HRESULT WINAPI CDrivesFolder::GetClassID ( CLSID *  lpClassId )

override

Implements IPersist.

Definition at line 1270 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 )

override

Implements IPersistFolder2.

Definition at line 1294 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  )

override

Implements IShellFolder2.

Definition at line 1161 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  )

override

Implements IShellFolder2.

Definition at line 1172 of file CDrivesFolder.cpp.

{
    TRACE("(%p)\n", this);
 
    if (!pcsFlags || iColumn >= _countof(MyComputerSFHeader))
        return E_INVALIDARG;
    *pcsFlags = MyComputerSFHeader[iColumn].colstate;
    return S_OK;
}

GetDefaultSearchGUID()

HRESULT WINAPI CDrivesFolder::GetDefaultSearchGUID ( GUID *  pguid )

override

Implements IShellFolder2.

Definition at line 1149 of file CDrivesFolder.cpp.

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

GetDetailsEx()

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

override

Implements IShellFolder2.

Definition at line 1182 of file CDrivesFolder.cpp.

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

GetDetailsOf()

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

override

Implements IShellFolder2.

Definition at line 1188 of file CDrivesFolder.cpp.

{
    HRESULT hr;
 
    TRACE("(%p)->(%p %i %p)\n", this, pidl, iColumn, psd);
 
    if (!psd || iColumn >= _countof(MyComputerSFHeader))
        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))
    {
        switch (MyComputerSFHeader[iColumn].colnameid)
        {
            case IDS_SHV_COLUMN_NAME:
            case IDS_SHV_COLUMN_TYPE:
                return m_regFolder->GetDetailsOf(pidl, iColumn, psd);
            case IDS_SHV_COLUMN_DISK_CAPACITY:
            case IDS_SHV_COLUMN_DISK_AVAILABLE:
                return SHSetStrRet(&psd->str, ""); /* blank col */
            case IDS_SHV_COLUMN_COMMENTS:
                return m_regFolder->GetDetailsOf(pidl, 2, psd); /* 2 = comments */
            DEFAULT_UNREACHABLE;
        }
    }
    else
    {
        ULARGE_INTEGER ulTotalBytes, ulFreeBytes;
        CHAR* pszDrive = _ILGetDataPointer(pidl)->u.drive.szDriveName;
        UINT DriveType = GetDriveTypeA(pszDrive);
        if (DriveType > DRIVE_RAMDISK)
            DriveType = DRIVE_FIXED;
 
        switch (MyComputerSFHeader[iColumn].colnameid)
        {
            case IDS_SHV_COLUMN_NAME:
                hr = GetDisplayNameOf(pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
                break;
            case IDS_SHV_COLUMN_TYPE:
                if (DriveType == DRIVE_REMOVABLE && !IsDriveFloppyA(pszDrive))
                    hr = SHSetStrRet(&psd->str, IDS_DRIVE_REMOVABLE);
                else
                    hr = SHSetStrRet(&psd->str, iDriveTypeIds[DriveType]);
                break;
            case IDS_SHV_COLUMN_DISK_CAPACITY:
            case IDS_SHV_COLUMN_DISK_AVAILABLE:
                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 == 2)
                        StrFormatByteSize64A(ulTotalBytes.QuadPart, psd->str.cStr, MAX_PATH);
                    else
                        StrFormatByteSize64A(ulFreeBytes.QuadPart, psd->str.cStr, MAX_PATH);
                }
                hr = S_OK;
                break;
            case IDS_SHV_COLUMN_COMMENTS:
                hr = SHSetStrRet(&psd->str, ""); /* FIXME: comments */
                break;
            DEFAULT_UNREACHABLE;
        }
    }
 
    return hr;
}

GetDisplayNameOf()

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

override

Definition at line 1024 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};
 
        lstrcpynW(wszDrive, pszPath, 4);
        pszPath[0] = L'\0';
 
        if (!SUCCEEDED(getLabelForDrive(wszDrive, pszPath)))
        {
            DWORD dwVolumeSerialNumber, dwMaximumComponentLength, dwFileSystemFlags;
 
            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, L" (");
        wszDrive[2] = L'\0';
        wcscat(pszPath, wszDrive);
        wcscat(pszPath, L")");
    }
 
    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  )

override

Definition at line 967 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 )

override

Implements IPersistFolder.

Definition at line 1286 of file CDrivesFolder.cpp.

{
    return S_OK;
}

MapColumnToSCID()

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

override

Implements IShellFolder2.

Definition at line 1261 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  )

override

Definition at line 658 of file CDrivesFolder.cpp.

{
    HRESULT hr = E_INVALIDARG;
 
    TRACE("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n", this,
          hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName),
          pchEaten, ppidl, pdwAttributes);
 
    if (!ppidl)
        return hr;
 
    *ppidl = NULL;
 
    if (!lpszDisplayName)
        return hr;
 
    /* handle CLSID paths */
    if (lpszDisplayName[0] == L':' && lpszDisplayName[1] == L':')
    {
        return m_regFolder->ParseDisplayName(hwndOwner, pbc, lpszDisplayName, pchEaten, ppidl,
                                             pdwAttributes);
    }
 
    if (lpszDisplayName[0] &&
        ((L'A' <= lpszDisplayName[0] && lpszDisplayName[0] <= L'Z') ||
         (L'a' <= lpszDisplayName[0] && lpszDisplayName[0] <= L'z')) &&
        lpszDisplayName[1] == L':' && lpszDisplayName[2] == L'\\')
    {
        // "C:\..."
        WCHAR szRoot[8];
        PathBuildRootW(szRoot, ((*lpszDisplayName - 1) & 0x1F));
 
        if (SHIsFileSysBindCtx(pbc, NULL) != S_OK && !(BindCtx_GetMode(pbc, 0) & STGM_CREATE))
        {
            if (::GetDriveType(szRoot) == DRIVE_NO_ROOT_DIR)
                return HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
        }
 
        CComHeapPtr<ITEMIDLIST> pidlTemp(_ILCreateDrive(szRoot));
        if (!pidlTemp)
            return E_OUTOFMEMORY;
 
        if (lpszDisplayName[3])
        {
            CComPtr<IShellFolder> pChildFolder;
            hr = BindToObject(pidlTemp, pbc, IID_PPV_ARG(IShellFolder, &pChildFolder));
            if (FAILED_UNEXPECTEDLY(hr))
                return hr;
 
            ULONG chEaten;
            CComHeapPtr<ITEMIDLIST> pidlChild;
            hr = pChildFolder->ParseDisplayName(hwndOwner, pbc, &lpszDisplayName[3], &chEaten,
                                                &pidlChild, pdwAttributes);
            if (FAILED_UNEXPECTEDLY(hr))
                return hr;
 
            hr = SHILCombine(pidlTemp, pidlChild, ppidl);
        }
        else
        {
            *ppidl = pidlTemp.Detach();
            if (pdwAttributes && *pdwAttributes)
                GetAttributesOf(1, (PCUITEMID_CHILD_ARRAY)ppidl, pdwAttributes);
            hr = S_OK;
        }
    }
 
    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  )

override

Implements IShellFolder.

Definition at line 1132 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