shfldr_mycomp.c

winNT技术操作系统,国外开放的原代码和LIUX一样

    return ret;
}

/**************************************************************************
*        ISF_MyComputer_fnEnumObjects
*/
static HRESULT WINAPI ISF_MyComputer_fnEnumObjects (IShellFolder2 *iface,
               HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    TRACE("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This,
          hwndOwner, dwFlags, ppEnumIDList);

    *ppEnumIDList = IEnumIDList_Constructor();
    if (*ppEnumIDList)
        CreateMyCompEnumList(*ppEnumIDList, dwFlags);

    TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);

    return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
}

/**************************************************************************
*        ISF_MyComputer_fnBindToObject
*/
static HRESULT WINAPI ISF_MyComputer_fnBindToObject (IShellFolder2 *iface,
               LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    TRACE("(%p)->(pidl=%p,%p,%s,%p)\n", This,
          pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);

    return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
}

/**************************************************************************
*    ISF_MyComputer_fnBindToStorage
*/
static HRESULT WINAPI ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
               LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    FIXME("(%p)->(pidl=%p,%p,%s,%p) stub\n", This,
          pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);

    *ppvOut = NULL;
    return E_NOTIMPL;
}

/**************************************************************************
*     ISF_MyComputer_fnCompareIDs
*/

static HRESULT WINAPI ISF_MyComputer_fnCompareIDs (IShellFolder2 *iface,
               LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    int nReturn;

    TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
    nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
    TRACE ("-- %i\n", nReturn);
    return nReturn;
}

/**************************************************************************
*    ISF_MyComputer_fnCreateViewObject
*/
static HRESULT WINAPI ISF_MyComputer_fnCreateViewObject (IShellFolder2 *iface,
               HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    LPSHELLVIEW pShellView;
    HRESULT hr = E_INVALIDARG;

    TRACE("(%p)->(hwnd=%p,%s,%p)\n", This,
          hwndOwner, shdebugstr_guid (riid), ppvOut);

    if (!ppvOut)
        return hr;

    *ppvOut = NULL;

    if (IsEqualIID (riid, &IID_IDropTarget))
    {
        WARN ("IDropTarget not implemented\n");
        hr = E_NOTIMPL;
    }
    else if (IsEqualIID (riid, &IID_IContextMenu))
    {
        WARN ("IContextMenu not implemented\n");
        hr = E_NOTIMPL;
    }
    else if (IsEqualIID (riid, &IID_IShellView))
    {
        pShellView = IShellView_Constructor ((IShellFolder *) iface);
        if (pShellView)
        {
            hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
            IShellView_Release (pShellView);
        }
    }
    TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
    return hr;
}

/**************************************************************************
*  ISF_MyComputer_fnGetAttributesOf
*/
static HRESULT WINAPI ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface,
                UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;
    HRESULT hr = S_OK;

    TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08lx))\n",
           This, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);

    if (!rgfInOut)
        return E_INVALIDARG;
    if (cidl && !apidl)
        return E_INVALIDARG;

    if (*rgfInOut == 0)
        *rgfInOut = ~0;
    
    if(cidl == 0){
        IShellFolder *psfParent = NULL;
        LPCITEMIDLIST rpidl = NULL;

        hr = SHBindToParent(This->pidlRoot, &IID_IShellFolder, (LPVOID*)&psfParent, (LPCITEMIDLIST*)&rpidl);
        if(SUCCEEDED(hr)) {
            SHELL32_GetItemAttributes (psfParent, rpidl, rgfInOut);
            IShellFolder_Release(psfParent);
        }
    } else {
        while (cidl > 0 && *apidl) {
            pdump (*apidl);
            SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
            apidl++;
            cidl--;
        }
    }
    /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
    *rgfInOut &= ~SFGAO_VALIDATE;

    TRACE ("-- result=0x%08lx\n", *rgfInOut);
    return hr;
}

/**************************************************************************
*    ISF_MyComputer_fnGetUIObjectOf
*
* PARAMETERS
*  hwndOwner [in]  Parent window for any output
*  cidl      [in]  array size
*  apidl     [in]  simple pidl array
*  riid      [in]  Requested Interface
*  prgfInOut [   ] reserved
*  ppvObject [out] Resulting Interface
*
*/
static HRESULT WINAPI ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
                HWND hwndOwner, UINT cidl, LPCITEMIDLIST * apidl, REFIID riid,
                UINT * prgfInOut, LPVOID * ppvOut)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    LPITEMIDLIST pidl;
    IUnknown *pObj = NULL;
    HRESULT hr = E_INVALIDARG;

    TRACE("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n", This,
          hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);

    if (!ppvOut)
        return hr;

    *ppvOut = NULL;

    if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1))
    {
        pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface,
                                              This->pidlRoot, apidl, cidl);
        hr = S_OK;
    }
    else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1))
    {
        pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner,
                                              This->pidlRoot, apidl, cidl);
        hr = S_OK;
    }
    else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1))
    {
        pidl = ILCombine (This->pidlRoot, apidl[0]);
        pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
        SHFree (pidl);
        hr = S_OK;
    }
    else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1))
    {
        pidl = ILCombine (This->pidlRoot, apidl[0]);
        pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
        SHFree (pidl);
        hr = S_OK;
    }
    else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1))
    {
        hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget,
                                          (LPVOID *) &pObj);
    }
    else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
              IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1))
    {
        pidl = ILCombine (This->pidlRoot, apidl[0]);
        hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*) &pObj);
        SHFree (pidl);
    }
    else 
        hr = E_NOINTERFACE;

    if (SUCCEEDED(hr) && !pObj)
        hr = E_OUTOFMEMORY;

    *ppvOut = pObj;
    TRACE ("(%p)->hr=0x%08lx\n", This, hr);
    return hr;
}

/**************************************************************************
*    ISF_MyComputer_fnGetDisplayNameOf
*/
static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 *iface,
               LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
{
    IGenericSFImpl *This = (IGenericSFImpl *)iface;

    char szPath[MAX_PATH];
    HRESULT hr = S_OK;

    TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
    pdump (pidl);

    if (!strRet)
        return E_INVALIDARG;

    szPath[0] = 0x00;

    if (!pidl->mkid.cb)
    {
        /* parsing name like ::{...} */
        lstrcpyA (szPath, "::");
        SHELL32_GUIDToStringA(&CLSID_MyComputer, &szPath[2]);
    }
    else if (_ILIsPidlSimple(pidl))    
    {
        /* take names of special folders only if its only this folder */
        if (_ILIsSpecialFolder(pidl))
        {
            GUID const *clsid;

            clsid = _ILGetGUIDPointer (pidl);
            if (clsid)
            {
                if (GET_SHGDN_FOR (dwFlags) & SHGDN_FORPARSING)
                {
                    static const WCHAR clsidW[] =
                     { 'C','L','S','I','D','\\',0 };
                    static const WCHAR shellfolderW[] =
                     { '\\','s','h','e','l','l','f','o','l','d','e','r',0 };
                    static const WCHAR wantsForParsingW[] =
                     { 'W','a','n','t','s','F','o','r','P','a','r','s','i','n',
                     'g',0 };
                    int bWantsForParsing = FALSE;
                    WCHAR szRegPath[100];
                    LONG r;

                    /*
                     * We can only get a filesystem path from a shellfolder
                     * if the value WantsFORPARSING exists in
                     *      CLSID\\{...}\\shellfolder 
                     * exception: the MyComputer folder has this keys not
                     *            but like any filesystem backed
                     *            folder it needs these behaviour
                     *
                     * Get the "WantsFORPARSING" flag from the registry
                     */

                    lstrcpyW (szRegPath, clsidW);
                    SHELL32_GUIDToStringW (clsid, &szRegPath[6]);
                    lstrcatW (szRegPath, shellfolderW);
                    r = SHGetValueW (HKEY_CLASSES_ROOT, szRegPath, 
                                     wantsForParsingW, NULL, NULL, NULL);
                    if (r == ERROR_SUCCESS)
                        bWantsForParsing = TRUE;

                    if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
                        bWantsForParsing)
                    {
                        /*
                         * We need the filesystem path to the destination folder
                         * Only the folder itself can know it
                         */
                        hr = SHELL32_GetDisplayNameOfChild (iface, pidl,
                                                dwFlags, szPath, MAX_PATH);
                    }
                    else
                    {
                        LPSTR p;

                        /* parsing name like ::{...} */
                        p = lstrcpyA(szPath, "::") + 2;
                        p += SHELL32_GUIDToStringA(&CLSID_MyComputer, p);