CExtractIcon Class Reference

Inheritance diagram for CExtractIcon:

Collaboration diagram for CExtractIcon:

Public Member Functions
	CExtractIcon ()
	~CExtractIcon ()
STDMETHOD()	SetDefaultIcon (LPCWSTR pszFile, int iIcon) override
STDMETHOD()	SetFlags (UINT uFlags) override
STDMETHOD()	SetKey (HKEY hkey) override
STDMETHOD()	SetNormalIcon (LPCWSTR pszFile, int iIcon) override
STDMETHOD()	SetOpenIcon (LPCWSTR pszFile, int iIcon) override
STDMETHOD()	SetShortcutIcon (LPCWSTR pszFile, int iIcon) override
STDMETHOD()	GetIconLocation (UINT uFlags, LPWSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags) override
STDMETHOD()	Extract (LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize) override
STDMETHOD()	GetIconLocation (UINT uFlags, LPSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags) override
STDMETHOD()	Extract (LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize) override
STDMETHOD()	GetClassID (CLSID *pClassID) override
STDMETHOD()	IsDirty () override
STDMETHOD()	Load (LPCOLESTR pszFileName, DWORD dwMode) override
STDMETHOD()	Save (LPCOLESTR pszFileName, BOOL fRemember) override
STDMETHOD()	SaveCompleted (LPCOLESTR pszFileName) override
STDMETHOD()	GetCurFile (LPOLESTR *ppszFileName) 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 ()
HRESULT	SetDefaultIcon ([in] LPCWSTR pszFile, [in] int iIcon)
HRESULT	SetFlags ([in] UINT uFlags)
HRESULT	SetKey ([in] HKEY hkey)
HRESULT	SetNormalIcon ([in] LPCWSTR pszFile, [in] int iIcon)
HRESULT	SetOpenIcon ([in] LPCWSTR pszFile, [in] int iIcon)
HRESULT	SetShortcutIcon ([in] LPCWSTR pszFile, [in] int iIcon)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()
Public Member Functions inherited from IExtractIconW
HRESULT	GetIconLocation ([in] UINT uFlags, [out, size_is(cchMax)] LPWSTR szIconFile, [in] UINT cchMax, [out] INT *piIndex, [out] UINT *pwFlags)
HRESULT	Extract ([in] LPCWSTR pszFile, [in] UINT nIconIndex, [out] HICON *phiconLarge, [out] HICON *phiconSmall, [in] UINT nIconSize)
Public Member Functions inherited from IExtractIconA
HRESULT	GetIconLocation ([in] UINT uFlags, [out, size_is(cchMax)] LPSTR szIconFile, [in] UINT cchMax, [out] INT *piIndex, [out] UINT *pwFlags)
HRESULT	Extract ([in] LPCSTR pszFile, [in] UINT nIconIndex, [out] HICON *phiconLarge, [out] HICON *phiconSmall, [in] UINT nIconSize)
HRESULT	IsDirty ()
HRESULT	Load ([in] LPCOLESTR pszFileName, [in] DWORD dwMode)
HRESULT	Save ([in, unique] LPCOLESTR pszFileName, [in] BOOL fRemember)
HRESULT	SaveCompleted ([in, unique] LPCOLESTR pszFileName)
HRESULT	GetCurFile ([out] LPOLESTR *ppszFileName)
HRESULT	GetClassID ([out] CLSID *pClassID)

Private Attributes
UINT	flags
struct IconLocation	defaultIcon
struct IconLocation	normalIcon
struct IconLocation	openIcon
struct IconLocation	shortcutIcon

Additional Inherited Members
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
Public Types inherited from IExtractIconW
typedef IExtractIconW *	LPEXTRACTICONW
Public Types inherited from IExtractIconA
typedef IExtractIconA *	LPEXTRACTICONA
Public Types inherited from IPersistFile
typedef IPersistFile *	LPPERSISTFILE
Public Types inherited from IPersist
typedef IPersist *	LPPERSIST
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 20 of file CExtractIcon.cpp.

Constructor & Destructor Documentation

CExtractIcon()

CExtractIcon::CExtractIcon

(

)

Definition at line 88 of file CExtractIcon.cpp.

{
    flags = 0;
    memset(&defaultIcon, 0, sizeof(defaultIcon));
    memset(&normalIcon, 0, sizeof(normalIcon));
    memset(&openIcon, 0, sizeof(openIcon));
    memset(&shortcutIcon, 0, sizeof(shortcutIcon));
}

~CExtractIcon()

CExtractIcon::~CExtractIcon

(

)

Definition at line 97 of file CExtractIcon.cpp.

{
    if (defaultIcon.file) CoTaskMemFree(defaultIcon.file);
    if (normalIcon.file) CoTaskMemFree(normalIcon.file);
    if (openIcon.file) CoTaskMemFree(openIcon.file);
    if (shortcutIcon.file) CoTaskMemFree(shortcutIcon.file);
}

Member Function Documentation

Extract() [1/2]

HRESULT STDMETHODCALLTYPE CExtractIcon::Extract ( LPCSTR  pszFile, UINT  nIconIndex, HICON *  phiconLarge, HICON *  phiconSmall, UINT  nIconSize  )

override

Implements IExtractIconA.

Definition at line 250 of file CExtractIcon.cpp.

{
    LPWSTR pszFileW = NULL;
    HRESULT hr;
 
    if (pszFile)
    {
        int nLength;
 
        nLength = MultiByteToWideChar(CP_ACP, 0, pszFile, -1, NULL, 0);
        if (nLength == 0)
            return E_FAIL;
        pszFileW = (LPWSTR)CoTaskMemAlloc(nLength * sizeof(WCHAR));
        if (!pszFileW)
            return E_OUTOFMEMORY;
        if (!MultiByteToWideChar(CP_ACP, 0, pszFile, nLength, pszFileW, nLength))
        {
            CoTaskMemFree(pszFileW);
            return E_FAIL;
        }
    }
 
    hr = Extract(pszFileW, nIconIndex, phiconLarge, phiconSmall, nIconSize);
 
    if (pszFileW)
        CoTaskMemFree(pszFileW);
    return hr;
}

Extract() [2/2]

HRESULT STDMETHODCALLTYPE CExtractIcon::Extract ( LPCWSTR  pszFile, UINT  nIconIndex, HICON *  phiconLarge, HICON *  phiconSmall, UINT  nIconSize  )

override

Implements IExtractIconW.

Definition at line 210 of file CExtractIcon.cpp.

{
    TRACE("(%p, %s, %u, %p, %p, %u)\n", this, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 
    /* Nothing to do, ExtractIconW::GetIconLocation should be enough */
    return S_FALSE;
}

Referenced by Extract().

GetClassID()

HRESULT STDMETHODCALLTYPE CExtractIcon::GetClassID ( CLSID *  pClassID )

override

Implements IPersist.

Definition at line 284 of file CExtractIcon.cpp.

{
    TRACE("(%p, %p)\n", this, pClassID);
 
    if (!pClassID)
        return E_POINTER;
 
    *pClassID = GUID_NULL;
    return S_OK;
}

GetCurFile()

HRESULT STDMETHODCALLTYPE CExtractIcon::GetCurFile ( LPOLESTR *  ppszFileName )

override

Implements IPersistFile.

Definition at line 329 of file CExtractIcon.cpp.

{
    FIXME("(%p, %p)\n", this, ppszFileName);
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

GetIconLocation() [1/2]

HRESULT STDMETHODCALLTYPE CExtractIcon::GetIconLocation ( UINT  uFlags, LPSTR  szIconFile, UINT  cchMax, int *  piIndex, UINT *  pwFlags  )

override

Definition at line 223 of file CExtractIcon.cpp.

{
    LPWSTR szIconFileW = NULL;
    HRESULT hr;
 
    if (cchMax > 0)
    {
        szIconFileW = (LPWSTR)CoTaskMemAlloc(cchMax * sizeof(WCHAR));
        if (!szIconFileW)
            return E_OUTOFMEMORY;
    }
 
    hr = GetIconLocation(uFlags, szIconFileW, cchMax, piIndex, pwFlags);
    if (SUCCEEDED(hr) && cchMax > 0)
        if (0 == WideCharToMultiByte(CP_ACP, 0, szIconFileW, cchMax, szIconFile, cchMax, NULL, NULL))
            hr = E_FAIL;
 
    if (szIconFileW)
        CoTaskMemFree(szIconFileW);
    return hr;
}

GetIconLocation() [2/2]

HRESULT STDMETHODCALLTYPE CExtractIcon::GetIconLocation ( UINT  uFlags, LPWSTR  szIconFile, UINT  cchMax, int *  piIndex, UINT *  pwFlags  )

override

Definition at line 174 of file CExtractIcon.cpp.

{
    const struct IconLocation *icon = NULL;
    SIZE_T cb;
 
    TRACE("(%p, 0x%x, %s, 0x%x, %p, %p)\n", this, uFlags, debugstr_w(szIconFile), cchMax, piIndex, pwFlags);
 
    if (!piIndex || !pwFlags)
        return E_POINTER;
 
    if (uFlags & GIL_DEFAULTICON)
        icon = defaultIcon.file ? &defaultIcon : &normalIcon;
    else if (uFlags & GIL_FORSHORTCUT)
        icon = shortcutIcon.file ? &shortcutIcon : &normalIcon;
    else if (uFlags & GIL_OPENICON)
        icon = openIcon.file ? &openIcon : &normalIcon;
    else
        icon = &normalIcon;
 
    if (!icon->file)
        return E_FAIL;
 
    cb = wcslen(icon->file) + 1;
    if (cchMax < (UINT)cb)
        return E_FAIL;
    CopyMemory(szIconFile, icon->file, cb * sizeof(WCHAR));
    *piIndex = icon->index;
    *pwFlags = flags;
    return S_OK;
}

Referenced by GetIconLocation().

IsDirty()

HRESULT STDMETHODCALLTYPE CExtractIcon::IsDirty ( void  )

override

Implements IPersistFile.

Definition at line 296 of file CExtractIcon.cpp.

{
    FIXME("(%p)\n", this);
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

Load()

HRESULT STDMETHODCALLTYPE CExtractIcon::Load ( LPCOLESTR  pszFileName, DWORD  dwMode  )

override

Implements IPersistFile.

Definition at line 303 of file CExtractIcon.cpp.

{
    FIXME("(%p, %s, %u)\n", this, debugstr_w(pszFileName), dwMode);
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

Save()

HRESULT STDMETHODCALLTYPE CExtractIcon::Save ( LPCOLESTR  pszFileName, BOOL  fRemember  )

override

Implements IPersistFile.

Definition at line 312 of file CExtractIcon.cpp.

{
    FIXME("(%p, %s, %d)\n", this, debugstr_w(pszFileName), fRemember);
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

SaveCompleted()

HRESULT STDMETHODCALLTYPE CExtractIcon::SaveCompleted ( LPCOLESTR  pszFileName )

override

Implements IPersistFile.

Definition at line 321 of file CExtractIcon.cpp.

{
    FIXME("(%p, %s)\n", this, debugstr_w(pszFileName));
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

SetDefaultIcon()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetDefaultIcon ( LPCWSTR  pszFile, int  iIcon  )

override

Implements IDefaultExtractIconInit.

Definition at line 105 of file CExtractIcon.cpp.

{
    TRACE("(%p, %s, %d)\n", this, debugstr_w(pszFile), iIcon);
 
    DuplicateString(pszFile, &defaultIcon.file);
    if (!defaultIcon.file)
        return E_OUTOFMEMORY;
    defaultIcon.index = iIcon;
    return S_OK;
}

SetFlags()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetFlags ( UINT  uFlags )

override

Implements IDefaultExtractIconInit.

Definition at line 118 of file CExtractIcon.cpp.

{
    TRACE("(%p, 0x%x)\n", this, uFlags);
 
    flags = uFlags;
    return S_OK;
}

SetKey()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetKey ( HKEY  hkey )

override

Implements IDefaultExtractIconInit.

Definition at line 127 of file CExtractIcon.cpp.

{
    FIXME("(%p, %p)\n", this, hkey);
    UNIMPLEMENTED;
    return E_NOTIMPL;
}

SetNormalIcon()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetNormalIcon ( LPCWSTR  pszFile, int  iIcon  )

override

Implements IDefaultExtractIconInit.

Definition at line 135 of file CExtractIcon.cpp.

{
    TRACE("(%p, %s, %d)\n", this, debugstr_w(pszFile), iIcon);
 
    DuplicateString(pszFile, &normalIcon.file);
    if (!normalIcon.file)
        return E_OUTOFMEMORY;
    normalIcon.index = iIcon;
    return S_OK;
}

SetOpenIcon()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetOpenIcon ( LPCWSTR  pszFile, int  iIcon  )

override

Implements IDefaultExtractIconInit.

Definition at line 148 of file CExtractIcon.cpp.

{
    TRACE("(%p, %s, %d)\n", this, debugstr_w(pszFile), iIcon);
 
    DuplicateString(pszFile, &openIcon.file);
    if (!openIcon.file)
        return E_OUTOFMEMORY;
    openIcon.index = iIcon;
    return S_OK;
}

SetShortcutIcon()

HRESULT STDMETHODCALLTYPE CExtractIcon::SetShortcutIcon ( LPCWSTR  pszFile, int  iIcon  )

override

Implements IDefaultExtractIconInit.

Definition at line 161 of file CExtractIcon.cpp.

{
    TRACE("(%p, %s, %d)\n", this, debugstr_w(pszFile), iIcon);
 
    DuplicateString(pszFile, &shortcutIcon.file);
    if (!shortcutIcon.file)
        return E_OUTOFMEMORY;
    shortcutIcon.index = iIcon;
    return S_OK;
}

Member Data Documentation

defaultIcon

struct IconLocation CExtractIcon::defaultIcon

private

Definition at line 29 of file CExtractIcon.cpp.

Referenced by CExtractIcon(), GetIconLocation(), SetDefaultIcon(), and ~CExtractIcon().

flags

UINT CExtractIcon::flags

private

Definition at line 28 of file CExtractIcon.cpp.

Referenced by GetIconLocation().

normalIcon

struct IconLocation CExtractIcon::normalIcon

private

Definition at line 30 of file CExtractIcon.cpp.

Referenced by CExtractIcon(), GetIconLocation(), SetNormalIcon(), and ~CExtractIcon().

openIcon

struct IconLocation CExtractIcon::openIcon

private

Definition at line 31 of file CExtractIcon.cpp.

Referenced by CExtractIcon(), GetIconLocation(), SetOpenIcon(), and ~CExtractIcon().

shortcutIcon

struct IconLocation CExtractIcon::shortcutIcon

private

Definition at line 32 of file CExtractIcon.cpp.

Referenced by CExtractIcon(), GetIconLocation(), SetShortcutIcon(), and ~CExtractIcon().

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

• dll/win32/shell32/CExtractIcon.cpp