CEnumFonts Class Reference

Inheritance diagram for CEnumFonts:

Collaboration diagram for CEnumFonts:

Public Member Functions
	CEnumFonts ()
HRESULT	Initialize (CFontExt *folder, DWORD flags)
STDMETHODIMP	Next (ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched) override
STDMETHODIMP	Skip (ULONG celt) override
STDMETHODIMP	Reset () override
STDMETHODIMP	Clone (IEnumIDList **ppenum) 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 ()
Public Member Functions inherited from IEnumIDList
HRESULT	Next ([in] ULONG celt, [out, size_is(celt), length_is(*pceltFetched)] PITEMID_CHILD *rgelt, [out] ULONG *pceltFetched)
HRESULT	Skip ([in] ULONG celt)
HRESULT	Reset ()
HRESULT	Clone ([out] IEnumIDList **ppenum)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Private Attributes
DWORD	m_dwFlags
ULONG	m_Index

Additional Inherited Members
Public Types inherited from IEnumIDList
typedef IEnumIDList *	LPENUMIDLIST
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
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 12 of file CEnumFonts.cpp.

Constructor & Destructor Documentation

CEnumFonts()

CEnumFonts::CEnumFonts ( )

inline

Definition at line 21 of file CEnumFonts.cpp.

        : m_dwFlags(0)
        , m_Index(0)
    {
    }

Member Function Documentation

Clone()

STDMETHODIMP CEnumFonts::Clone ( IEnumIDList **  ppenum )

inlineoverride

Implements IEnumIDList.

Definition at line 96 of file CEnumFonts.cpp.

    {
        return E_NOTIMPL;
    }

Initialize()

HRESULT CEnumFonts::Initialize ( CFontExt *  folder, DWORD  flags  )

inline

Definition at line 27 of file CEnumFonts.cpp.

    {
        m_dwFlags = flags;
        m_Index = 0;
        return S_OK;
    }

Next()

STDMETHODIMP CEnumFonts::Next ( ULONG  celt, LPITEMIDLIST *  rgelt, ULONG *  pceltFetched  )

inlineoverride

Definition at line 35 of file CEnumFonts.cpp.

    {
        if (!rgelt || (!pceltFetched && celt != 1))
            return E_POINTER;
 
        HRESULT hr = S_OK;
        ULONG Fetched = 0;
 
        while (celt)
        {
            if (m_Index >= g_FontCache->Size())
            {
                hr = S_FALSE;
                break;
            }
 
            if (!g_FontCache->IsMarkDeleted(m_Index))
            {
                CStringW Name = g_FontCache->Name(m_Index), FileName = g_FontCache->File(m_Index);
                if (Name.IsEmpty() || FileName.IsEmpty())
                {
                    ERR("Why is Name or FileName empty?\n");
                }
                else
                {
                    // Create a PIDL
                    PITEMID_CHILD item = _ILCreate(Name, FileName);
                    if (!item)
                    {
                        hr = Fetched ? S_FALSE : E_OUTOFMEMORY;
                        break;
                    }
                    rgelt[Fetched++] = item;
                    --celt;
                }
            }
            m_Index++;
        }
 
        if (pceltFetched)
            *pceltFetched = Fetched;
        return hr;
    }

Reset()

STDMETHODIMP CEnumFonts::Reset ( )

inlineoverride

Implements IEnumIDList.

Definition at line 90 of file CEnumFonts.cpp.

    {
        m_Index = 0;
        return S_OK;
    }

Skip()

STDMETHODIMP CEnumFonts::Skip ( ULONG  celt )

inlineoverride

Implements IEnumIDList.

Definition at line 79 of file CEnumFonts.cpp.

    {
        for (ULONG i = 0; i < celt && m_Index < g_FontCache->Size(); ++i)
        {
            while (m_Index < g_FontCache->Size() && g_FontCache->IsMarkDeleted(m_Index))
                ++m_Index;
            ++m_Index;
        }
        return S_OK;
    }

Member Data Documentation

m_dwFlags

DWORD CEnumFonts::m_dwFlags

private

Definition at line 17 of file CEnumFonts.cpp.

Referenced by Initialize().

m_Index

ULONG CEnumFonts::m_Index

private

Definition at line 18 of file CEnumFonts.cpp.

Referenced by Initialize(), Next(), Reset(), and Skip().

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

• dll/shellext/fontext/CEnumFonts.cpp