CRecycleBinFolderViewCB Class Reference

#include <CRecycleBinFolderViewCB.h>

Inheritance diagram for CRecycleBinFolderViewCB:

Collaboration diagram for CRecycleBinFolderViewCB:

Public Member Functions
	CRecycleBinFolderViewCB ()
virtual	~CRecycleBinFolderViewCB ()
void	Initialize (CRecycleBin *pRecycleBin, IShellView *psv, LPCITEMIDLIST pidlParent)
STDMETHODIMP	MessageSFVCB (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 ()

Private Member Functions
HRESULT	RegisterChangeNotify (HWND hwndView)
HRESULT	TranslatePidl (LPITEMIDLIST *ppidlNew, LPCITEMIDLIST pidl)
void	TranslateTwoPIDLs (PIDLIST_ABSOLUTE *pidls)

Private Attributes
IShellView *	m_pShellView
CRecycleBin *	m_pRecycleBin
ULONG	m_nChangeNotif
CComHeapPtr< ITEMIDLIST >	m_pidlParent
CComHeapPtr< ITEMIDLIST >	m_pidls [2]

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 10 of file CRecycleBinFolderViewCB.h.

Constructor & Destructor Documentation

CRecycleBinFolderViewCB()

CRecycleBinFolderViewCB::CRecycleBinFolderViewCB

(

)

Definition at line 12 of file CRecycleBinFolderViewCB.cpp.

    : m_pShellView(NULL)
    , m_pRecycleBin(NULL)
    , m_nChangeNotif(0)
{
}

~CRecycleBinFolderViewCB()

CRecycleBinFolderViewCB::~CRecycleBinFolderViewCB ( )

virtual

Definition at line 19 of file CRecycleBinFolderViewCB.cpp.

{
    if (m_nChangeNotif)
        SHChangeNotifyDeregister(m_nChangeNotif);
}

Member Function Documentation

Initialize()

void CRecycleBinFolderViewCB::Initialize	(	CRecycleBin *	pRecycleBin,
		IShellView *	psv,
		LPCITEMIDLIST	pidlParent
	)

Definition at line 25 of file CRecycleBinFolderViewCB.cpp.

{
    m_pRecycleBin = pRecycleBin;
    m_pShellView = psv;
    m_pidlParent.Attach(ILClone(pidlParent));
}

MessageSFVCB()

STDMETHODIMP CRecycleBinFolderViewCB::MessageSFVCB ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam  )

override

Definition at line 132 of file CRecycleBinFolderViewCB.cpp.

{
    switch (uMsg)
    {
        case SFVM_QUERYFSNOTIFY: // Register change notification
        {
            // Now, we can get the view window
            ATLASSERT(m_pShellView);
            HWND hwndView;
            HRESULT hr = m_pShellView->GetWindow(&hwndView);
            if (FAILED_UNEXPECTEDLY(hr))
                return hr;
            RegisterChangeNotify(hwndView);
            return S_OK;
        }
        case SFVM_FSNOTIFY: // Change notification
        {
            TranslateTwoPIDLs((PIDLIST_ABSOLUTE*)wParam);
            return S_OK;
        }
    }
    return E_NOTIMPL;
}

RegisterChangeNotify()

HRESULT CRecycleBinFolderViewCB::RegisterChangeNotify ( HWND  hwndView )

private

Definition at line 32 of file CRecycleBinFolderViewCB.cpp.

{
    if (!hwndView)
    {
        WARN("!hwndView\n");
        return E_FAIL;
    }
 
    LPITEMIDLIST pidls[RECYCLEBINMAXDRIVECOUNT] = { NULL };
    SHChangeNotifyEntry entries[RECYCLEBINMAXDRIVECOUNT] = {};
 
    // Populate entries
    INT iEntry = 0;
    for (INT iDrive = 0; iDrive < RECYCLEBINMAXDRIVECOUNT; ++iDrive)
    {
        WCHAR szBinPath[MAX_PATH];
        HRESULT hr = GetRecycleBinPathFromDriveNumber(iDrive, szBinPath);
        if (FAILED(hr))
            continue;
        LPITEMIDLIST pidl = ILCreateFromPathW(szBinPath);
        if (!pidl)
            continue;
        entries[iEntry].pidl = pidls[iEntry] = pidl;
        entries[iEntry].fRecursive = FALSE;
        ++iEntry;
    }
 
    // Register
    const DWORD dwFlags = SHCNRF_InterruptLevel | SHCNRF_ShellLevel | SHCNRF_NewDelivery;
    const DWORD dwEvents =
        SHCNE_CREATE |
        SHCNE_DELETE |
        SHCNE_RENAMEITEM |
        SHCNE_UPDATEITEM |
        SHCNE_MKDIR |
        SHCNE_RMDIR |
        SHCNE_RENAMEFOLDER |
        SHCNE_UPDATEDIR |
        SHCNE_UPDATEIMAGE |
        SHCNE_ASSOCCHANGED;
    m_nChangeNotif = SHChangeNotifyRegister(hwndView, dwFlags, dwEvents, SHV_CHANGE_NOTIFY,
                                            iEntry, entries);
    if (!m_nChangeNotif)
        WARN("SHChangeNotifyRegister failed\n");
 
    // Clean up
    while (iEntry > 0)
        ILFree(pidls[--iEntry]);
 
    return m_nChangeNotif ? S_OK : E_FAIL;
}

Referenced by MessageSFVCB().

TranslatePidl()

HRESULT CRecycleBinFolderViewCB::TranslatePidl ( LPITEMIDLIST *  ppidlNew, LPCITEMIDLIST  pidl  )

private

Definition at line 84 of file CRecycleBinFolderViewCB.cpp.

{
    ATLASSERT(ppidlNew);
    *ppidlNew = NULL;
 
    WCHAR szPath[MAX_PATH];
    if (!SHGetPathFromIDListW(pidl, szPath))
    {
        ERR("!SHGetPathFromIDListW\n");
        return E_FAIL;
    }
 
    CComHeapPtr<ITEMIDLIST> pidlChild;
    ATLASSERT(m_pRecycleBin);
    m_pRecycleBin->ParseRecycleBinPath(szPath, NULL, &pidlChild, NULL);
    if (!pidlChild)
    {
        ERR("!pidlChild\n");
        return E_FAIL;
    }
 
    *ppidlNew = ILCombine(m_pidlParent, pidlChild);
 
    return *ppidlNew ? S_OK : E_OUTOFMEMORY;
}

Referenced by TranslateTwoPIDLs().

TranslateTwoPIDLs()

void CRecycleBinFolderViewCB::TranslateTwoPIDLs ( PIDLIST_ABSOLUTE *  pidls )

private

Definition at line 110 of file CRecycleBinFolderViewCB.cpp.

{
    ATLASSERT(pidls);
 
    HRESULT hr;
    if (pidls[0])
    {
        m_pidls[0].Free();
        hr = TranslatePidl(&m_pidls[0], pidls[0]);
        if (!FAILED_UNEXPECTEDLY(hr))
            pidls[0] = m_pidls[0];
    }
    if (pidls[1])
    {
        m_pidls[1].Free();
        hr = TranslatePidl(&m_pidls[1], pidls[1]);
        if (!FAILED_UNEXPECTEDLY(hr))
            pidls[1] = m_pidls[1];
    }
}

Referenced by MessageSFVCB().

Member Data Documentation

m_nChangeNotif

ULONG CRecycleBinFolderViewCB::m_nChangeNotif

private

Definition at line 16 of file CRecycleBinFolderViewCB.h.

Referenced by RegisterChangeNotify(), and ~CRecycleBinFolderViewCB().

m_pidlParent

CComHeapPtr<ITEMIDLIST> CRecycleBinFolderViewCB::m_pidlParent

private

Definition at line 17 of file CRecycleBinFolderViewCB.h.

Referenced by Initialize(), and TranslatePidl().

m_pidls

CComHeapPtr<ITEMIDLIST> CRecycleBinFolderViewCB::m_pidls[2]

private

Definition at line 18 of file CRecycleBinFolderViewCB.h.

Referenced by TranslateTwoPIDLs().

m_pRecycleBin

CRecycleBin* CRecycleBinFolderViewCB::m_pRecycleBin

private

Definition at line 15 of file CRecycleBinFolderViewCB.h.

Referenced by Initialize(), and TranslatePidl().

m_pShellView

IShellView* CRecycleBinFolderViewCB::m_pShellView

private

Definition at line 14 of file CRecycleBinFolderViewCB.h.

Referenced by Initialize(), and MessageSFVCB().

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

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