RecycleBinGeneric Class Reference

Inheritance diagram for RecycleBinGeneric:

Collaboration diagram for RecycleBinGeneric:

Public Member Functions
	RecycleBinGeneric ()
virtual	~RecycleBinGeneric ()
STDMETHODIMP	QueryInterface (REFIID riid, void **ppvObject) override
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
STDMETHODIMP	DeleteFile (LPCWSTR szFileName) override
STDMETHODIMP	EmptyRecycleBin () override
STDMETHODIMP	EnumObjects (IRecycleBinEnumList **ppEnumList) override

Protected Attributes
LONG	m_ref

Detailed Description

Definition at line 11 of file recyclebin_generic.cpp.

Constructor & Destructor Documentation

RecycleBinGeneric()

RecycleBinGeneric::RecycleBinGeneric

(

)

Definition at line 169 of file recyclebin_generic.cpp.

    : m_ref(1)
{
}

~RecycleBinGeneric()

RecycleBinGeneric::~RecycleBinGeneric ( )

virtual

Definition at line 57 of file recyclebin_generic.cpp.

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

Member Function Documentation

DeleteFile()

STDMETHODIMP RecycleBinGeneric::DeleteFile ( LPCWSTR  szFileName )

override

Definition at line 72 of file recyclebin_generic.cpp.

{
    TRACE("(%p, %s)\n", this, debugstr_w(szFileName));
 
    /* Get full file name */
    LPWSTR szFullName = NULL;
    DWORD dwBufferLength = 0;
    while (TRUE)
    {
        DWORD len = GetFullPathNameW(szFileName, dwBufferLength, szFullName, NULL);
        if (len == 0)
        {
            if (szFullName)
                CoTaskMemFree(szFullName);
            return HRESULT_FROM_WIN32(GetLastError());
        }
        else if (len < dwBufferLength)
            break;
        if (szFullName)
            CoTaskMemFree(szFullName);
        dwBufferLength = len;
        szFullName = (LPWSTR)CoTaskMemAlloc(dwBufferLength * sizeof(WCHAR));
        if (!szFullName)
            return HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
    }
 
    /* Get associated volume path */
    WCHAR szVolume[MAX_PATH];
#ifndef __REACTOS__
    if (!GetVolumePathNameW(szFullName, szVolume, _countof(szVolume)))
    {
        CoTaskMemFree(szFullName);
        return HRESULT_FROM_WIN32(GetLastError());
    }
#else
    swprintf(szVolume, L"%c:\\", szFullName[0]);
#endif
 
    /* Skip namespace (if any): "\\.\" or "\\?\" */
    if (szVolume[0] == '\\' &&
        szVolume[1] == '\\' &&
        (szVolume[2] == '.' || szVolume[2] == '?') &&
        szVolume[3] == '\\')
    {
        MoveMemory(szVolume, &szVolume[4], (_countof(szVolume) - 4) * sizeof(WCHAR));
    }
 
    IRecycleBin *prb;
    HRESULT hr = GetDefaultRecycleBin(szVolume, &prb);
    if (!SUCCEEDED(hr))
    {
        CoTaskMemFree(szFullName);
        return hr;
    }
 
    hr = prb->DeleteFile(szFullName);
    CoTaskMemFree(szFullName);
    prb->Release();
    return hr;
}

EmptyRecycleBin()

STDMETHODIMP RecycleBinGeneric::EmptyRecycleBin ( )

override

Definition at line 133 of file recyclebin_generic.cpp.

{
    TRACE("(%p)\n", this);
 
    DWORD dwLogicalDrives = GetLogicalDrives();
    if (dwLogicalDrives == 0)
        return HRESULT_FROM_WIN32(GetLastError());
 
    for (DWORD i = 0; i < 'Z' - 'A' + 1; i++)
    {
        if (!(dwLogicalDrives & (1 << i)))
            continue;
 
        WCHAR szVolumeName[MAX_PATH];
        swprintf(szVolumeName, L"%c:\\", L'A' + i);
        if (GetDriveTypeW(szVolumeName) != DRIVE_FIXED)
            continue;
 
        IRecycleBin *prb;
        HRESULT hr = GetDefaultRecycleBin(szVolumeName, &prb);
        if (!SUCCEEDED(hr))
            return hr;
 
        hr = prb->EmptyRecycleBin();
        prb->Release();
    }
 
    return S_OK;
}

EnumObjects()

STDMETHODIMP RecycleBinGeneric::EnumObjects ( IRecycleBinEnumList **  ppEnumList )

override

Definition at line 163 of file recyclebin_generic.cpp.

{
    TRACE("(%p, %p)\n", this, ppEnumList);
    return RecycleBinGenericEnum_Constructor(ppEnumList);
}

QueryInterface()

STDMETHODIMP RecycleBinGeneric::QueryInterface ( REFIID  riid, void **  ppvObject  )

override

Definition at line 31 of file recyclebin_generic.cpp.

{
    TRACE("(%p, %s, %p)\n", this, debugstr_guid(&riid), ppvObject);
 
    if (!ppvObject)
        return E_POINTER;
 
    if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IRecycleBin))
        *ppvObject = static_cast<IRecycleBin *>(this);
    else
    {
        *ppvObject = NULL;
        return E_NOINTERFACE;
    }
 
    AddRef();
    return S_OK;
}

STDMETHODIMP_() [1/2]

RecycleBinGeneric::STDMETHODIMP_ ( ULONG  )

override

STDMETHODIMP_() [2/2]

RecycleBinGeneric::STDMETHODIMP_ ( ULONG  )

override

Member Data Documentation

m_ref

LONG RecycleBinGeneric::m_ref

protected

Definition at line 28 of file recyclebin_generic.cpp.

Referenced by STDMETHODIMP_().

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

• dll/win32/shell32/shellrecyclebin/recyclebin_generic.cpp