folders.c

winNT技术操作系统,国外开放的原代码和LIUX一样

                  case DRIVE_RAMDISK:     icon_idx = IDI_SHELL_RAMDISK;       break;
		}
	  }

	  if (icon_idx != -1)
	  {
		lstrcpynW(szIconFile, swShell32Name, cchMax);
		*piIndex = -icon_idx;
	  }
	  else
	  {
		if (HCR_GetDefaultIconW(drive, szIconFile, cchMax, &dwNr))
		{
		  *piIndex = dwNr;
		}
		else
		{
		  lstrcpynW(szIconFile, swShell32Name, cchMax);
		  *piIndex = -IDI_SHELL_DRIVE;
		}
	  }
	}
	else if (_ILIsFolder (pSimplePidl))
	{
            getIconLocationForFolder(iface, uFlags, szIconFile, cchMax, piIndex,
                                     pwFlags);
	}
	else
	{
	  BOOL found = FALSE;

	  if (_ILIsCPanelStruct(pSimplePidl))
	  {
	    if (SUCCEEDED(CPanel_GetIconLocationW(pSimplePidl, szIconFile, cchMax, piIndex)))
		found = TRUE;
	  }
	  else if (_ILGetExtension(pSimplePidl, sTemp, MAX_PATH))
	  {
	    if (HCR_MapTypeToValueA(sTemp, sTemp, MAX_PATH, TRUE)
		&& HCR_GetDefaultIconA(sTemp, sTemp, MAX_PATH, &dwNr))
	    {
	      if (!lstrcmpA("%1", sTemp))		/* icon is in the file */
	      {
		SHGetPathFromIDListW(This->pidl, szIconFile);
		*piIndex = 0;
	      }
	      else
	      {
		MultiByteToWideChar(CP_ACP, 0, sTemp, -1, szIconFile, cchMax);
		*piIndex = dwNr;
	      }

	      found = TRUE;
	    }
	    else if (!lstrcmpiA(sTemp, "lnkfile"))
	    {
	      /* extract icon from shell shortcut */
	      IShellFolder* dsf;
	      IShellLinkW* psl;

	      if (SUCCEEDED(SHGetDesktopFolder(&dsf)))
	      {
		HRESULT hr = IShellFolder_GetUIObjectOf(dsf, NULL, 1, (LPCITEMIDLIST*)&This->pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);

		if (SUCCEEDED(hr))
		{
		  hr = IShellLinkW_GetIconLocation(psl, szIconFile, MAX_PATH, piIndex);

		  if (SUCCEEDED(hr) && *szIconFile)
		    found = TRUE;

		  IShellLinkW_Release(psl);
		}

		IShellFolder_Release(dsf);
	      }
	    }
	  }

	  if (!found)					/* default icon */
	  {
	    lstrcpynW(szIconFile, swShell32Name, cchMax);
	    *piIndex = 0;
	  }
	}

	TRACE("-- %s %x\n", debugstr_w(szIconFile), *piIndex);
	return NOERROR;
}

/**************************************************************************
*  IExtractIconW_Extract
*/
static HRESULT WINAPI IExtractIconW_fnExtract(IExtractIconW * iface, LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
{
	IExtractIconWImpl *This = (IExtractIconWImpl *)iface;
        int index;

	FIXME("(%p) (file=%p index=%d %p %p size=%08x) semi-stub\n", This, debugstr_w(pszFile), (signed)nIconIndex,
              phiconLarge, phiconSmall, nIconSize);

        index = SIC_GetIconIndex(pszFile, nIconIndex, 0);

	if (phiconLarge)
	  *phiconLarge = ImageList_GetIcon(ShellBigIconList, index, ILD_TRANSPARENT);

	if (phiconSmall)
	  *phiconSmall = ImageList_GetIcon(ShellSmallIconList, index, ILD_TRANSPARENT);

	return S_OK;
}

static const IExtractIconWVtbl eivt =
{
	IExtractIconW_fnQueryInterface,
	IExtractIconW_fnAddRef,
	IExtractIconW_fnRelease,
	IExtractIconW_fnGetIconLocation,
	IExtractIconW_fnExtract
};

/**************************************************************************
*  IExtractIconA_Constructor
*/
IExtractIconA* IExtractIconA_Constructor(LPCITEMIDLIST pidl)
{
	IExtractIconWImpl *This = (IExtractIconWImpl *)IExtractIconW_Constructor(pidl);
	IExtractIconA *eia = (IExtractIconA *)&This->lpvtblExtractIconA;
	
	TRACE("(%p)->(%p)\n", This, eia);
	return eia;
}
/**************************************************************************
 *  IExtractIconA_QueryInterface
 */
static HRESULT WINAPI IExtractIconA_fnQueryInterface(IExtractIconA * iface, REFIID riid, LPVOID *ppvObj)
{
	IExtractIconW *This = impl_from_IExtractIconA(iface);

	return IExtractIconW_QueryInterface(This, riid, ppvObj);
}

/**************************************************************************
*  IExtractIconA_AddRef
*/
static ULONG WINAPI IExtractIconA_fnAddRef(IExtractIconA * iface)
{
	IExtractIconW *This = impl_from_IExtractIconA(iface);

	return IExtractIconW_AddRef(This);
}
/**************************************************************************
*  IExtractIconA_Release
*/
static ULONG WINAPI IExtractIconA_fnRelease(IExtractIconA * iface)
{
	IExtractIconW *This = impl_from_IExtractIconA(iface);

	return IExtractIconW_AddRef(This);
}
/**************************************************************************
*  IExtractIconA_GetIconLocation
*
* mapping filetype to icon
*/
static HRESULT WINAPI IExtractIconA_fnGetIconLocation(
	IExtractIconA * iface,
	UINT uFlags,
	LPSTR szIconFile,
	UINT cchMax,
	int * piIndex,
	UINT * pwFlags)
{
	HRESULT ret;
	LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, cchMax * sizeof(WCHAR));
	IExtractIconW *This = impl_from_IExtractIconA(iface);
	
	TRACE("(%p) (flags=%u %p %u %p %p)\n", This, uFlags, szIconFile, cchMax, piIndex, pwFlags);

	ret = IExtractIconW_GetIconLocation(This, uFlags, lpwstrFile, cchMax, piIndex, pwFlags);
	WideCharToMultiByte(CP_ACP, 0, lpwstrFile, -1, szIconFile, cchMax, NULL, NULL);
	HeapFree(GetProcessHeap(), 0, lpwstrFile);

	TRACE("-- %s %x\n", szIconFile, *piIndex);
	return ret;
}
/**************************************************************************
*  IExtractIconA_Extract
*/
static HRESULT WINAPI IExtractIconA_fnExtract(IExtractIconA * iface, LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize)
{
	HRESULT ret;
	INT len = MultiByteToWideChar(CP_ACP, 0, pszFile, -1, NULL, 0);
	LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
	IExtractIconW *This = impl_from_IExtractIconA(iface);

	TRACE("(%p) (file=%p index=%u %p %p size=%u)\n", This, pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);

	MultiByteToWideChar(CP_ACP, 0, pszFile, -1, lpwstrFile, len);
	ret = IExtractIconW_Extract(This, lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
	HeapFree(GetProcessHeap(), 0, lpwstrFile);
	return ret;
}

static const IExtractIconAVtbl eiavt =
{
	IExtractIconA_fnQueryInterface,
	IExtractIconA_fnAddRef,
	IExtractIconA_fnRelease,
	IExtractIconA_fnGetIconLocation,
	IExtractIconA_fnExtract
};

/************************************************************************
 * IEIPersistFile_QueryInterface (IUnknown)
 */
static HRESULT WINAPI IEIPersistFile_fnQueryInterface(
	IPersistFile	*iface,
	REFIID		iid,
	LPVOID		*ppvObj)
{
	IExtractIconW *This = impl_from_IPersistFile(iface);

	return IExtractIconW_QueryInterface(This, iid, ppvObj);
}

/************************************************************************
 * IEIPersistFile_AddRef (IUnknown)
 */
static ULONG WINAPI IEIPersistFile_fnAddRef(
	IPersistFile	*iface)
{
	IExtractIconW *This = impl_from_IPersistFile(iface);

	return IExtractIconW_AddRef(This);
}

/************************************************************************
 * IEIPersistFile_Release (IUnknown)
 */
static ULONG WINAPI IEIPersistFile_fnRelease(
	IPersistFile	*iface)
{
	IExtractIconW *This = impl_from_IPersistFile(iface);

	return IExtractIconW_Release(This);
}

/************************************************************************
 * IEIPersistFile_GetClassID (IPersist)
 */
static HRESULT WINAPI IEIPersistFile_fnGetClassID(
	IPersistFile	*iface,
	LPCLSID		lpClassId)
{
	CLSID StdFolderID = { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} };

	if (lpClassId==NULL)
	  return E_POINTER;

	memcpy(lpClassId, &StdFolderID, sizeof(StdFolderID));

	return S_OK;
}

/************************************************************************
 * IEIPersistFile_Load (IPersistFile)
 */
static HRESULT WINAPI IEIPersistFile_fnLoad(IPersistFile* iface, LPCOLESTR pszFileName, DWORD dwMode)
{
	IExtractIconW *This = impl_from_IPersistFile(iface);
	FIXME("%p\n", This);
	return E_NOTIMPL;

}

static const IPersistFileVtbl pfvt =
{
	IEIPersistFile_fnQueryInterface,
	IEIPersistFile_fnAddRef,
	IEIPersistFile_fnRelease,
	IEIPersistFile_fnGetClassID,
	(void *) 0xdeadbeef /* IEIPersistFile_fnIsDirty */,
	IEIPersistFile_fnLoad,
	(void *) 0xdeadbeef /* IEIPersistFile_fnSave */,
	(void *) 0xdeadbeef /* IEIPersistFile_fnSaveCompleted */,
	(void *) 0xdeadbeef /* IEIPersistFile_fnGetCurFile */
};