CAssocShellElement Class Reference

Inheritance diagram for CAssocShellElement:

Collaboration diagram for CAssocShellElement:

Public Member Functions
	~CAssocShellElement ()
STDMETHODIMP	QueryInterface (REFIID riid, PVOID *ppv) override
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
STDMETHODIMP	QueryString (ASSOCQUERY query, PCWSTR key, PWSTR *ppszValue) override
STDMETHODIMP	QueryDword (ASSOCQUERY query, PCWSTR key, DWORD *pdwValue) override
STDMETHODIMP	QueryExists (ASSOCQUERY query, PCWSTR key) override
STDMETHODIMP	QueryDirect (ASSOCQUERY query, PCWSTR key, FLAGGED_BYTE_BLOB **ppBlob) override
STDMETHODIMP	QueryObject (ASSOCQUERY query, PCWSTR key, REFIID riid, PVOID *ppvObj) override
STDMETHODIMP	GetClassID (CLSID *pClassID) override
STDMETHODIMP	SetString (PCWSTR psz) override
STDMETHODIMP	GetString (PWSTR *ppsz) override
virtual BOOL	_UseEnumForDefaultVerb ()
virtual HRESULT	_InitSource ()
virtual BOOL	_IsAppSource ()
virtual HRESULT	_GetVerbDelegate (PCWSTR pszSrc, IAssociationElementOld **ppElement)
Public Member Functions inherited from CAssocElement
virtual	~CAssocElement ()
STDMETHODIMP	QueryInterface (REFIID riid, PVOID *ppv) override
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
STDMETHODIMP	SetSource (IQuerySourceOld *pSource) override
STDMETHODIMP	GetSource (REFIID riid, PVOID *ppSource) override
STDMETHODIMP	QueryString (ASSOCQUERY query, PCWSTR key, PWSTR *ppszValue) override
STDMETHODIMP	QueryDword (ASSOCQUERY query, PCWSTR key, DWORD *pdwValue) override
STDMETHODIMP	QueryExists (ASSOCQUERY query, PCWSTR key) override
STDMETHODIMP	QueryDirect (ASSOCQUERY query, PCWSTR key, FLAGGED_BYTE_BLOB **ppBlob) override
STDMETHODIMP	QueryObject (ASSOCQUERY query, PCWSTR key, REFIID riid, PVOID *ppvObj) override

Protected Member Functions
UINT	_GetQueryKeyVal (const QUERYKEYVAL **ppItems) override
HRESULT	_DefaultVerbSource (IQuerySourceOld **ppSource)
Protected Member Functions inherited from CAssocElement
HRESULT	_QueryKeyValAny (QUERY_CALLBACK callback, const QUERYKEYVAL *pItems, UINT cItems, IQuerySourceOld *pQS, ASSOCQUERY query, PCWSTR valueName, PVOID pValue)
HRESULT	_QuerySourceAny (QUERY_CALLBACK callback, IQuerySourceOld *pSource, DWORD dwFlags, ASSOCQUERY query, PCWSTR valueName, PVOID pValue)
virtual UINT	_GetQueryKeyVal (const QUERYKEYVAL **ppItems)

Protected Attributes
PWSTR	m_pszName = NULL
WCHAR	m_szBuff [64] = L""
Protected Attributes inherited from CAssocElement
LONG	m_cRefs = 1
IQuerySourceOld *	m_pSource = NULL

Detailed Description

Definition at line 426 of file elements.cpp.

Constructor & Destructor Documentation

~CAssocShellElement()

CAssocShellElement::~CAssocShellElement

(

)

Definition at line 777 of file elements.cpp.

{
    if (m_pszName && m_pszName != m_szBuff)
        LocalFree(m_pszName);
}

Member Function Documentation

_DefaultVerbSource()

HRESULT CAssocShellElement::_DefaultVerbSource ( IQuerySourceOld **  ppSource )

protected

Definition at line 982 of file elements.cpp.

{
    IQuerySourceOld* pShellSource;
    HRESULT hr = m_pSource->OpenSource(L"shell", FALSE, &pShellSource);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    PWSTR pszValue;
    PCWSTR pszVerb = L"open";
    if (SUCCEEDED(pShellSource->QueryValueString(NULL, NULL, &pszValue)))
        pszVerb = pszValue;
 
    hr = pShellSource->OpenSource(pszVerb, FALSE, ppSource);
    if (FAILED_UNEXPECTEDLY(hr))
    {
        if (pszValue)
        {
            INT nDelim = StrCSpnW(pszValue, L" ,");
            if (nDelim != lstrlenW(pszValue))
            {
                pszValue[nDelim] = UNICODE_NULL;
                hr = pShellSource->OpenSource(pszValue, FALSE, ppSource);
            }
        }
        else
        {
            IEnumString* pEnum;
            if (_UseEnumForDefaultVerb() && SUCCEEDED(pShellSource->EnumSources(&pEnum)))
            {
                PWSTR pszFirst = NULL;
                ULONG cFetched = 0;
                if (SUCCEEDED(pEnum->Next(1, &pszFirst, &cFetched)))
                {
                    hr = pShellSource->OpenSource(pszFirst, FALSE, ppSource);
                    CoTaskMemFree(pszFirst);
                }
                pEnum->Release();
            }
        }
    }
 
    if (pszValue)
        CoTaskMemFree(pszValue);
 
    pShellSource->Release();
    return hr;
}

Referenced by _GetVerbDelegate().

_GetQueryKeyVal()

UINT CAssocShellElement::_GetQueryKeyVal ( const QUERYKEYVAL **  ppItems )

overrideprotectedvirtual

Reimplemented from CAssocElement.

Reimplemented in CAssocApplicationElement, and CAssocPerceivedElement.

Definition at line 815 of file elements.cpp.

{
    *ppItems = g_shellKeyVals;
    return _countof(g_shellKeyVals);
}

_GetVerbDelegate()

HRESULT CAssocShellElement::_GetVerbDelegate ( PCWSTR  pszSrc, IAssociationElementOld **  ppElement  )

virtual

Reimplemented in CAssocPerceivedElement.

Definition at line 831 of file elements.cpp.

{
    if (!m_pSource)
        return E_FAIL;
 
    HRESULT hr;
    IQuerySourceOld* pSource;
    if (pszSrc)
        hr = QSOpen2(m_pSource, L"shell", pszSrc, 0, &pSource);
    else
        hr = _DefaultVerbSource(&pSource);
 
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    BOOL bAppSource = _IsAppSource();
    auto pElement = new(std::nothrow) CAssocShellVerbElement(bAppSource);
    if (!pElement)
    {
        ERR("E_OUTOFMEMORY\n");
        pSource->Release();
        return E_OUTOFMEMORY;
    }
 
    hr = pElement->SetSource(pSource);
    *ppElement = static_cast<IAssociationElementOld*>(pElement);
    pSource->Release();
    return hr;
}

Referenced by CAssocPerceivedElement::_GetVerbDelegate(), QueryDirect(), QueryDword(), QueryExists(), QueryObject(), QueryString(), and CAssocClientElement::QueryString().

_InitSource()

HRESULT CAssocShellElement::_InitSource ( )

virtual

Reimplemented in CAssocApplicationElement, CAssocProgidElement, CAssocClsidElement, CAssocSystemExtElement, CAssocFolderElement, CAssocStarElement, CAssocPerceivedElement, and CAssocClientElement.

Definition at line 810 of file elements.cpp.

{
    return _QuerySourceCreateFromKey(HKEY_CLASSES_ROOT, m_pszName, 0, &m_pSource);
}

Referenced by SetString().

_IsAppSource()

BOOL CAssocShellElement::_IsAppSource ( )

virtual

Definition at line 826 of file elements.cpp.

{
    return FALSE;
}

Referenced by _GetVerbDelegate().

_UseEnumForDefaultVerb()

BOOL CAssocShellElement::_UseEnumForDefaultVerb ( )

virtual

Reimplemented in CAssocProgidElement.

Definition at line 821 of file elements.cpp.

{
    return FALSE;
}

Referenced by _DefaultVerbSource().

GetClassID()

STDMETHODIMP CAssocShellElement::GetClassID ( CLSID *  pClassID )

override

Definition at line 945 of file elements.cpp.

{
    *pClassID = CLSID_AssocShellElement;
    return S_OK;
}

GetString()

STDMETHODIMP CAssocShellElement::GetString ( PWSTR *  ppsz )

override

Definition at line 977 of file elements.cpp.

{
    return SHStrDupW(m_pszName, ppsz);
}

QueryDirect()

STDMETHODIMP CAssocShellElement::QueryDirect ( ASSOCQUERY  query, PCWSTR  key, FLAGGED_BYTE_BLOB **  ppBlob  )

override

Definition at line 907 of file elements.cpp.

{
    if (!(query & ASSOCQUERY_EXTRA_VERB))
        return CAssocElement::QueryDirect(query, key, ppBlob);
 
    IAssociationElementOld* pDelegate;
    HRESULT hr = _GetVerbDelegate(key, &pDelegate);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = pDelegate->QueryDirect(query, NULL, ppBlob);
    pDelegate->Release();
    return hr;
}

QueryDword()

STDMETHODIMP CAssocShellElement::QueryDword ( ASSOCQUERY  query, PCWSTR  key, DWORD *  pdwValue  )

override

Definition at line 876 of file elements.cpp.

{
    if (!(query & ASSOCQUERY_EXTRA_VERB))
        return CAssocElement::QueryDword(query, key, pdwValue);
 
    IAssociationElementOld* pDelegate;
    HRESULT hr = _GetVerbDelegate(key, &pDelegate);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = pDelegate->QueryDword(query, NULL, pdwValue);
    pDelegate->Release();
    return hr;
}

QueryExists()

STDMETHODIMP CAssocShellElement::QueryExists ( ASSOCQUERY  query, PCWSTR  key  )

override

Definition at line 891 of file elements.cpp.

{
    if (!(query & ASSOCQUERY_EXTRA_VERB))
        return CAssocElement::QueryExists(query, key);
 
    IAssociationElementOld* pDelegate;
    HRESULT hr = _GetVerbDelegate(key, &pDelegate);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = pDelegate->QueryExists(query, NULL);
    pDelegate->Release();
    return hr;
}

Referenced by CAssocClientElement::_InitSourceFromKey().

QueryInterface()

STDMETHODIMP CAssocShellElement::QueryInterface ( REFIID  riid, PVOID *  ppv  )

override

Definition at line 783 of file elements.cpp.

{
    if (riid == IID_IPersist)
    {
        *ppv = static_cast<IPersist*>(this);
        AddRef();
        return S_OK;
    }
    if (riid == IID_IPersistString2)
    {
        *ppv = static_cast<IPersistString2*>(this);
        AddRef();
        return S_OK;
    }
    return CAssocElement::QueryInterface(riid, ppv);
}

QueryObject()

STDMETHODIMP CAssocShellElement::QueryObject ( ASSOCQUERY  query, PCWSTR  key, REFIID  riid, PVOID *  ppvObj  )

override

Definition at line 923 of file elements.cpp.

{
    if (!(query & ASSOCQUERY_EXTRA_VERB))
    {
        *ppvObj = NULL;
        return E_INVALIDARG;
    }
 
    IAssociationElementOld* pDelegate;
    HRESULT hr = _GetVerbDelegate(key, &pDelegate);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    if (query == (ASSOCQUERY_OBJECT | ASSOCQUERY_EXTRA_VERB))
        hr = pDelegate->QueryInterface(riid, ppvObj);
    else
        hr = pDelegate->QueryObject(query, NULL, riid, ppvObj);
 
    pDelegate->Release();
    return hr;
}

Referenced by CAssocApplicationElement::QueryObject().

QueryString()

STDMETHODIMP CAssocShellElement::QueryString ( ASSOCQUERY  query, PCWSTR  key, PWSTR *  ppszValue  )

override

Definition at line 861 of file elements.cpp.

{
    if (!(query & ASSOCQUERY_EXTRA_VERB))
        return CAssocElement::QueryString(query, key, ppszValue);
 
    IAssociationElementOld* pDelegate;
    HRESULT hr = _GetVerbDelegate(key, &pDelegate);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    hr = pDelegate->QueryString(query, NULL, ppszValue);
    pDelegate->Release();
    return hr;
}

Referenced by CAssocApplicationElement::QueryString(), CAssocProgidElement::QueryString(), CAssocFolderElement::QueryString(), CAssocStarElement::QueryString(), and CAssocClientElement::QueryString().

SetString()

STDMETHODIMP CAssocShellElement::SetString ( PCWSTR  psz )

override

Definition at line 951 of file elements.cpp.

{
    if (m_pszName)
        return E_UNEXPECTED;
 
    UINT cchBuff, cchString = lstrlenW(psz);
    PWSTR pszBuff;
    if (cchString >= _countof(m_szBuff))
    {
        cchBuff = cchString + 1;
        pszBuff = (PWSTR)LocalAlloc(LPTR, cchBuff * sizeof(WCHAR));
    }
    else
    {
        pszBuff = m_szBuff;
        cchBuff = _countof(m_szBuff);
    }
 
    m_pszName = pszBuff;
    if (!m_pszName)
        return E_UNEXPECTED;
 
    StringCchCopyW(pszBuff, cchBuff, psz);
    return _InitSource();
}

STDMETHODIMP_() [1/2]

CAssocShellElement::STDMETHODIMP_ ( ULONG  )

override

STDMETHODIMP_() [2/2]

CAssocShellElement::STDMETHODIMP_ ( ULONG  )

override

Member Data Documentation

m_pszName

PWSTR CAssocShellElement::m_pszName = NULL

protected

Definition at line 431 of file elements.cpp.

Referenced by CAssocApplicationElement::_GetAppDisplayName(), _InitSource(), CAssocApplicationElement::_InitSource(), CAssocProgidElement::_InitSource(), CAssocClsidElement::_InitSource(), CAssocSystemExtElement::_InitSource(), CAssocPerceivedElement::_InitSource(), CAssocClientElement::_InitSource(), CAssocClientElement::_InitSourceFromKey(), GetString(), CAssocStarElement::QueryString(), SetString(), and ~CAssocShellElement().

m_szBuff

WCHAR CAssocShellElement::m_szBuff[64] = L""

protected

Definition at line 432 of file elements.cpp.

Referenced by SetString(), and ~CAssocShellElement().

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

• dll/win32/shell32/evalcmd/elements.cpp