shfldr_mycomp.c

winNT技术操作系统,国外开放的原代码和LIUX一样

                        lstrcatA(p, "\\::");
                        p += 3;
                        SHELL32_GUIDToStringA(clsid, p);
                    }
                }
                else
                {
                    /* user friendly name */
                    HCR_GetClassNameA (clsid, szPath, MAX_PATH);
                }
            }
            else
            {
                /* append my own path */
                _ILSimpleGetText (pidl, szPath, MAX_PATH);
            }
        }
        else if (_ILIsDrive(pidl))
        {        
            _ILSimpleGetText (pidl, szPath, MAX_PATH);    /* append my own path */

            /* long view "lw_name (C:)" */
            if (!(dwFlags & SHGDN_FORPARSING))
            {
                DWORD dwVolumeSerialNumber, dwMaximumComponetLength, dwFileSystemFlags;
                char szDrive[18] = "";

                GetVolumeInformationA (szPath, szDrive, sizeof (szDrive) - 6,
                           &dwVolumeSerialNumber,
                           &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
                strcat (szDrive, " (");
                strncat (szDrive, szPath, 2);
                strcat (szDrive, ")");
                strcpy (szPath, szDrive);
            }
        }
        else 
        {
            /* Neither a shell namespace extension nor a drive letter. */
            ERR("Wrong pidl type\n");
            return E_INVALIDARG;
        }
    }
    else
    {
        /* Complex pidl. Let the child folder do the work */
        strRet->uType = STRRET_CSTR;
        hr = SHELL32_GetDisplayNameOfChild(iface, pidl, dwFlags, szPath, MAX_PATH);
    }

    if (SUCCEEDED (hr))
    {
        strRet->uType = STRRET_CSTR;
        lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
    }

    TRACE ("-- (%p)->(%s)\n", This, szPath);
    return hr;
}

/**************************************************************************
*  ISF_MyComputer_fnSetNameOf
*  Changes the name of a file object or subfolder, possibly changing its item
*  identifier in the process.
*
* PARAMETERS
*  hwndOwner  [in]   Owner window for output
*  pidl       [in]   simple pidl of item to change
*  lpszName   [in]   the items new display name
*  dwFlags    [in]   SHGNO formatting flags
*  ppidlOut   [out]  simple pidl returned
*/
static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (
               IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,
               LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This,
           hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
    return E_FAIL;
}

static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (
               IShellFolder2 * iface, GUID * pguid)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    FIXME ("(%p)\n", This);
    return E_NOTIMPL;
}
static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (
               IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    FIXME ("(%p)\n", This);
    return E_NOTIMPL;
}
static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (
               IShellFolder2 *iface, DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    TRACE ("(%p)\n", This);

    if (pSort)
         *pSort = 0;
    if (pDisplay)
        *pDisplay = 0;
    return S_OK;
}
static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (
               IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    TRACE ("(%p)\n", This);

    if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
        return E_INVALIDARG;
    *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
    return S_OK;
}

static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface,
               LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    FIXME ("(%p)\n", This);
    return E_NOTIMPL;
}

/* FIXME: drive size >4GB is rolling over */
static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface,
               LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    HRESULT hr;

    TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);

    if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
        return E_INVALIDARG;

    if (!pidl)
    {
        psd->fmt = MyComputerSFHeader[iColumn].fmt;
        psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
        psd->str.uType = STRRET_CSTR;
        LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid,
                     psd->str.u.cStr, MAX_PATH);
        return S_OK;
    }
    else
    {
        char szPath[MAX_PATH];
        ULARGE_INTEGER ulBytes;

        psd->str.u.cStr[0] = 0x00;
        psd->str.uType = STRRET_CSTR;
        switch (iColumn)
        {
        case 0:        /* name */
            hr = IShellFolder_GetDisplayNameOf (iface, pidl,
                       SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
            break;
        case 1:        /* type */
            _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
            break;
        case 2:        /* total size */
            if (_ILIsDrive (pidl))
            {
                _ILSimpleGetText (pidl, szPath, MAX_PATH);
                GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
                StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
            }
            break;
        case 3:        /* free size */
            if (_ILIsDrive (pidl))
            {
                _ILSimpleGetText (pidl, szPath, MAX_PATH);
                GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
                StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
            }
            break;
        }
        hr = S_OK;
    }

    return hr;
}

static HRESULT WINAPI ISF_MyComputer_fnMapColumnToSCID (
               IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    FIXME ("(%p)\n", This);
    return E_NOTIMPL;
}

static const IShellFolder2Vtbl vt_ShellFolder2 =
{
    ISF_MyComputer_fnQueryInterface,
    ISF_MyComputer_fnAddRef,
    ISF_MyComputer_fnRelease,
    ISF_MyComputer_fnParseDisplayName,
    ISF_MyComputer_fnEnumObjects,
    ISF_MyComputer_fnBindToObject,
    ISF_MyComputer_fnBindToStorage,
    ISF_MyComputer_fnCompareIDs,
    ISF_MyComputer_fnCreateViewObject,
    ISF_MyComputer_fnGetAttributesOf,
    ISF_MyComputer_fnGetUIObjectOf,
    ISF_MyComputer_fnGetDisplayNameOf,
    ISF_MyComputer_fnSetNameOf,
    /* ShellFolder2 */
    ISF_MyComputer_fnGetDefaultSearchGUID,
    ISF_MyComputer_fnEnumSearches,
    ISF_MyComputer_fnGetDefaultColumn,
    ISF_MyComputer_fnGetDefaultColumnState,
    ISF_MyComputer_fnGetDetailsEx,
    ISF_MyComputer_fnGetDetailsOf,
    ISF_MyComputer_fnMapColumnToSCID
};

/************************************************************************
 *    IMCFldr_PersistFolder2_QueryInterface
 */
static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (
               IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);

    TRACE ("(%p)\n", This);

    return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
}

/************************************************************************
 *    IMCFldr_PersistFolder2_AddRef
 */
static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);

    TRACE ("(%p)->(count=%lu)\n", This, This->ref);

    return IUnknown_AddRef (_IUnknown_ (This));
}

/************************************************************************
 *    ISFPersistFolder_Release
 */
static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);

    TRACE ("(%p)->(count=%lu)\n", This, This->ref);

    return IUnknown_Release (_IUnknown_ (This));
}

/************************************************************************
 *    IMCFldr_PersistFolder2_GetClassID
 */
static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (
               IPersistFolder2 * iface, CLSID * lpClassId)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);

    TRACE ("(%p)\n", This);

    if (!lpClassId)
    return E_POINTER;
    *lpClassId = CLSID_MyComputer;

    return S_OK;
}

/************************************************************************
 *    IMCFldr_PersistFolder2_Initialize
 *
 * NOTES: it makes no sense to change the pidl
 */
static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (
               IPersistFolder2 * iface, LPCITEMIDLIST pidl)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);
    TRACE ("(%p)->(%p)\n", This, pidl);
    return E_NOTIMPL;
}

/**************************************************************************
 *    IPersistFolder2_fnGetCurFolder
 */
static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (
               IPersistFolder2 * iface, LPITEMIDLIST * pidl)
{
    IGenericSFImpl *This = impl_from_IPersistFolder2(iface);

    TRACE ("(%p)->(%p)\n", This, pidl);

    if (!pidl)
        return E_POINTER;
    *pidl = ILClone (This->pidlRoot);
    return S_OK;
}

static const IPersistFolder2Vtbl vt_PersistFolder2 =
{
    IMCFldr_PersistFolder2_QueryInterface,
    IMCFldr_PersistFolder2_AddRef,
    IMCFldr_PersistFolder2_Release,
    IMCFldr_PersistFolder2_GetClassID,
    IMCFldr_PersistFolder2_Initialize,
    IMCFldr_PersistFolder2_GetCurFolder
};