CACLCustomMRU Class Reference

#include <ACLCustomMRU.h>

Inheritance diagram for CACLCustomMRU:

Collaboration diagram for CACLCustomMRU:

Public Member Functions
	CACLCustomMRU ()
	~CACLCustomMRU ()
virtual HRESULT STDMETHODCALLTYPE	Initialize (LPCWSTR pwszMRURegKey, DWORD dwMax)
virtual HRESULT STDMETHODCALLTYPE	AddMRUString (LPCWSTR pwszEntry)
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
void	PersistMRU ()

Private Attributes
CRegKey	m_Key
CStringW	m_MRUList
CSimpleArray< CStringW >	m_MRUData
bool	m_bDirty

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 ACLCustomMRU.h.

Constructor & Destructor Documentation

CACLCustomMRU()

CACLCustomMRU::CACLCustomMRU

(

)

Definition at line 10 of file ACLCustomMRU.cpp.

    :m_bDirty(false)
{
}

~CACLCustomMRU()

CACLCustomMRU::~CACLCustomMRU

(

)

Definition at line 15 of file ACLCustomMRU.cpp.

{
    PersistMRU();
    m_Key.Close();
}

Member Function Documentation

AddMRUString()

HRESULT STDMETHODCALLTYPE CACLCustomMRU::AddMRUString ( LPCWSTR  pwszEntry )

virtual

Definition at line 91 of file ACLCustomMRU.cpp.

{
    ATLASSERT(m_MRUData.GetSize() <= m_MRUList.GetLength());

    m_bDirty = true;

    CStringW NewElement = pwszEntry;
    WCHAR Key[2] = { 0, 0 };
    int Index = m_MRUData.Find(NewElement);
    if (Index >= 0)
    {
        /* Move the key to the front */
        Key[0] = Index + 'a';
        m_MRUList.Replace(Key, L"");
        m_MRUList = Key + m_MRUList;
        return S_OK;
    }

    int TotalLen = m_MRUList.GetLength();
    if (m_MRUData.GetSize() == TotalLen)
    {
        /* Find oldest element, move that to the front */
        Key[0] = m_MRUList[TotalLen-1];
        m_MRUList = Key + m_MRUList.Left(TotalLen-1);
        Index = Key[0] - 'a';
    }
    else
    {
        /* Find the first empty entry */
        for (Index = 0; Index < m_MRUData.GetSize(); ++Index)
        {
            if (m_MRUData[Index].IsEmpty())
                break;
        }
        Key[0] = Index + 'a';
        m_MRUList = Key + m_MRUList;
    }
    m_MRUData[Index] = NewElement;

    PersistMRU();
    return S_OK;
}

Initialize()

HRESULT STDMETHODCALLTYPE CACLCustomMRU::Initialize ( LPCWSTR  pwszMRURegKey, DWORD  dwMax  )

virtual

Definition at line 41 of file ACLCustomMRU.cpp.

{
    LSTATUS Status = m_Key.Create(HKEY_CURRENT_USER, pwszMRURegKey);
    if (Status != ERROR_SUCCESS)
        return HRESULT_FROM_WIN32(Status);

    m_MRUData.RemoveAll();
    dwMax = max(0, dwMax);
    dwMax = min(29, dwMax);
    while (dwMax--)
        m_MRUData.Add(CStringW());

    WCHAR MRUList[40];
    ULONG nChars = _countof(MRUList);

    Status = m_Key.QueryStringValue(L"MRUList", MRUList, &nChars);
    if (Status != ERROR_SUCCESS)
        return S_OK;

    if (nChars > 0 && MRUList[nChars-1] == '\0')
        nChars--;

    if (nChars > (ULONG)m_MRUData.GetSize())
        return S_OK;

    for (ULONG n = 0; n < nChars; ++n)
    {
        if (MRUList[n] >= 'a' && MRUList[n] <= '}' && m_MRUList.Find(MRUList[n]) < 0)
        {
            WCHAR Key[2] = { MRUList[n], NULL };
            WCHAR Value[MAX_PATH * 2];
            ULONG nValueChars = _countof(Value);

            m_MRUList += MRUList[n];
            int Index = MRUList[n] - 'a';

            if (Index < m_MRUData.GetSize())
            {
                Status = m_Key.QueryStringValue(Key, Value, &nValueChars);
                if (Status == ERROR_SUCCESS)
                {
                    m_MRUData[Index] = CStringW(Value, nValueChars);
                }
            }
        }
    }

    return S_OK;
}

PersistMRU()

void CACLCustomMRU::PersistMRU ( )

private

Definition at line 21 of file ACLCustomMRU.cpp.

{
    WCHAR Key[2] = { 0, 0 };

    if (!m_bDirty)
        return;
    m_bDirty = false;

    if (m_Key.m_hKey)
    {
        m_Key.SetStringValue(L"MRUList", m_MRUList);
        for (int Index = 0; Index < m_MRUList.GetLength(); ++Index)
        {
            Key[0] = Index + 'a';
            m_Key.SetStringValue(Key, m_MRUData[Index]);
        }
    }
}

Referenced by AddMRUString(), and ~CACLCustomMRU().

Member Data Documentation

m_bDirty

bool CACLCustomMRU::m_bDirty

private

Definition at line 19 of file ACLCustomMRU.h.

Referenced by AddMRUString(), and PersistMRU().

m_Key

CRegKey CACLCustomMRU::m_Key

private

Definition at line 16 of file ACLCustomMRU.h.

Referenced by Initialize(), PersistMRU(), and ~CACLCustomMRU().

m_MRUData

CSimpleArray<CStringW> CACLCustomMRU::m_MRUData

private

Definition at line 18 of file ACLCustomMRU.h.

Referenced by AddMRUString(), Initialize(), and PersistMRU().

m_MRUList

CStringW CACLCustomMRU::m_MRUList

private

Definition at line 17 of file ACLCustomMRU.h.

Referenced by AddMRUString(), Initialize(), and PersistMRU().

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

• dll/win32/browseui/ACLCustomMRU.h
• dll/win32/browseui/ACLCustomMRU.cpp