CFolderItems Class Reference

#include <CFolderItems.h>

Inheritance diagram for CFolderItems:

Collaboration diagram for CFolderItems:

Public Member Functions
	CFolderItems ()
	~CFolderItems ()
HRESULT	Initialize (LPITEMIDLIST idlist, Folder *parent)
STDMETHOD()	get_Count (long *plCount) override
STDMETHOD()	get_Application (IDispatch **ppid) override
STDMETHOD()	get_Parent (IDispatch **ppid) override
STDMETHOD()	Item (VARIANT index, FolderItem **ppid) override
STDMETHOD()	_NewEnum (IUnknown **ppunk) 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 ()

Private Attributes
CComHeapPtr< ITEMIDLIST >	m_idlist
CComPtr< IEnumIDList >	m_EnumIDList
CComPtr< Folder >	m_Folder
long	m_Count

Additional Inherited Members
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 56 of file CFolderItems.h.

Constructor & Destructor Documentation

CFolderItems()

CFolderItems::CFolderItems

(

)

Definition at line 172 of file CFolderItems.cpp.

    :m_Count(-1)
{
}

~CFolderItems()

CFolderItems::~CFolderItems

(

)

Definition at line 177 of file CFolderItems.cpp.

{
}

Member Function Documentation

_NewEnum()

HRESULT STDMETHODCALLTYPE CFolderItems::_NewEnum ( IUnknown **  ppunk )

override

Definition at line 302 of file CFolderItems.cpp.

{
    return ShellObjectCreatorInit<CFolderItems>(static_cast<LPITEMIDLIST>(m_idlist), m_Folder, IID_FolderItems, reinterpret_cast<void**>(ppunk));
}

get_Application()

HRESULT STDMETHODCALLTYPE CFolderItems::get_Application ( IDispatch **  ppid )

override

Definition at line 234 of file CFolderItems.cpp.

{
    TRACE("(%p, %p)\n", this, ppid);
    return m_Folder->get_Application(ppid);
}

get_Count()

HRESULT STDMETHODCALLTYPE CFolderItems::get_Count ( long *  plCount )

override

Definition at line 205 of file CFolderItems.cpp.

{
    if (!m_EnumIDList)
        return E_FAIL;
 
    if (!plCount)
        return E_POINTER;
 
    if (m_Count == -1)
    {
        long count = 0;
 
        HRESULT hr = m_EnumIDList->Reset();
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        CComHeapPtr<ITEMIDLIST> Pidl;
        while ((hr = m_EnumIDList->Next(1, &Pidl, 0)) != S_FALSE)
        {
            count++;
            Pidl.Free();
        }
        m_Count = count;
    }
    *plCount = m_Count;
 
    return S_OK;
}

get_Parent()

HRESULT STDMETHODCALLTYPE CFolderItems::get_Parent ( IDispatch **  ppid )

override

Definition at line 240 of file CFolderItems.cpp.

{
    TRACE("(%p, %p)\n", this, ppid);
 
    if (ppid)
        *ppid = NULL;
 
    return E_NOTIMPL;
}

Initialize()

HRESULT CFolderItems::Initialize	(	LPITEMIDLIST	idlist,
		Folder *	parent
	)

Definition at line 181 of file CFolderItems.cpp.

{
    CComPtr<IShellFolder> psfDesktop, psfTarget;
 
    m_idlist.Attach(ILClone(idlist));
 
    HRESULT hr = SHGetDesktopFolder(&psfDesktop);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = psfDesktop->BindToObject(m_idlist, NULL, IID_PPV_ARG(IShellFolder, &psfTarget));
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = psfTarget->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &m_EnumIDList);
 
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    m_Folder = parent;
    return S_OK;
}

Item()

HRESULT STDMETHODCALLTYPE CFolderItems::Item ( VARIANT  index, FolderItem **  ppid  )

override

Definition at line 250 of file CFolderItems.cpp.

{
    CComVariant index;
    HRESULT hr;
 
    if (!m_EnumIDList)
        return E_FAIL;
 
    hr = VariantCopyInd(&index, &var);
    if (FAILED(hr))
        return hr;
 
    if (V_VT(&index) == VT_I2)
        VariantChangeType(&index, &index, 0, VT_I4);
 
    if (V_VT(&index) == VT_I4)
    {
        ULONG count = V_UI4(&index);
 
        hr = m_EnumIDList->Reset();
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        hr = m_EnumIDList->Skip(count);
 
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        CComHeapPtr<ITEMIDLIST> spPidl;
        hr = m_EnumIDList->Next(1, &spPidl, 0);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
        hr = ShellObjectCreatorInit<CFolderItem>(m_Folder, static_cast<LPITEMIDLIST>(spPidl), IID_PPV_ARG(FolderItem, ppid));
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
        return hr;
    }
    else if (V_VT(&index) == VT_BSTR)
    {
        if (!V_BSTR(&index))
            return S_FALSE;
 
        hr = m_Folder->ParseName(V_BSTR(&index), ppid);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
        return hr;
    }
 
    FIXME("Index type %d not handled.\n", V_VT(&index));
    return E_NOTIMPL;
}

Member Data Documentation

m_Count

long CFolderItems::m_Count

private

Definition at line 65 of file CFolderItems.h.

Referenced by get_Count().

m_EnumIDList

CComPtr<IEnumIDList> CFolderItems::m_EnumIDList

private

Definition at line 63 of file CFolderItems.h.

Referenced by get_Count(), Initialize(), and Item().

m_Folder

CComPtr<Folder> CFolderItems::m_Folder

private

Definition at line 64 of file CFolderItems.h.

Referenced by _NewEnum(), get_Application(), Initialize(), and Item().

m_idlist

CComHeapPtr<ITEMIDLIST> CFolderItems::m_idlist

private

Definition at line 62 of file CFolderItems.h.

Referenced by _NewEnum(), and Initialize().

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

• dll/win32/shell32/CFolderItems.h
• dll/win32/shell32/CFolderItems.cpp