CFileSysBindData.cpp

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/*
 * File System Bind Data object to use as parameter for the bind context to
 * IShellFolder_ParseDisplayName
 *
 * Copyright 2003 Rolf Kalbermatter
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 */
 
#include "precomp.h"
 
WINE_DEFAULT_DEBUG_CHANNEL(pidl);
 
/***********************************************************************
 * IFileSystemBindData implementation
 */
class CFileSysBindData :
    public CComObjectRootEx<CComMultiThreadModelNoCS>,
    public IFileSystemBindData
{
private:
    WIN32_FIND_DATAW findFile;
public:
    CFileSysBindData();
    ~CFileSysBindData();
 
    // *** IFileSystemBindData methods ***
    STDMETHOD(SetFindData)(const WIN32_FIND_DATAW *pfd) override;
    STDMETHOD(GetFindData)(WIN32_FIND_DATAW *pfd) override;
 
DECLARE_NOT_AGGREGATABLE(CFileSysBindData)
DECLARE_PROTECT_FINAL_CONSTRUCT()
 
BEGIN_COM_MAP(CFileSysBindData)
    COM_INTERFACE_ENTRY_IID(IID_IFileSystemBindData, IFileSystemBindData)
END_COM_MAP()
};
 
HRESULT WINAPI IFileSystemBindData_Constructor(const WIN32_FIND_DATAW *pfd, LPBC *ppV)
{
    CComPtr<IFileSystemBindData>        fileSystemBindData;
    CComPtr<IBindCtx>                    bindContext;
    BIND_OPTS                            bindOpts;
    HRESULT                                hResult;
 
    TRACE("%p, %p\n", pfd, ppV);
 
    if (ppV == NULL)
       return E_INVALIDARG;
 
    *ppV = NULL;
 
    hResult = CFileSysBindData::_CreatorClass::CreateInstance(NULL, IID_PPV_ARG(IFileSystemBindData, &fileSystemBindData));
    if (FAILED(hResult))
        return hResult;
    hResult = fileSystemBindData->SetFindData(pfd);
    if (FAILED(hResult))
        return hResult;
 
    hResult = CreateBindCtx(0, &bindContext);
    if (FAILED(hResult))
        return hResult;
    bindOpts.cbStruct = sizeof(BIND_OPTS);
    bindOpts.grfFlags = 0;
    bindOpts.grfMode = STGM_CREATE;
    bindOpts.dwTickCountDeadline = 0;
    hResult = bindContext->SetBindOptions(&bindOpts);
    if (FAILED(hResult))
        return hResult;
    hResult = bindContext->RegisterObjectParam((LPOLESTR)STR_FILE_SYS_BIND_DATA, fileSystemBindData);
    if (FAILED(hResult))
        return hResult;
 
    *ppV = bindContext.Detach();
 
    return S_OK;
}
 
HRESULT WINAPI FileSystemBindData_GetFindData(LPBC pbc, WIN32_FIND_DATAW *pfd)
{
    CComPtr<IUnknown>                    pUnk;
    CComPtr<IFileSystemBindData>        pfsbd;
    HRESULT                                ret;
 
    TRACE("%p, %p\n", pbc, pfd);
 
    if (!pfd)
        return E_INVALIDARG;
 
    ret = pbc->GetObjectParam((LPOLESTR)STR_FILE_SYS_BIND_DATA, &pUnk);
    if (SUCCEEDED(ret))
    {
        ret = pUnk->QueryInterface(IID_PPV_ARG(IFileSystemBindData, &pfsbd));
        if (SUCCEEDED(ret))
            ret = pfsbd->GetFindData(pfd);
    }
    return ret;
}
 
HRESULT WINAPI FileSystemBindData_SetFindData(LPBC pbc, const WIN32_FIND_DATAW *pfd)
{
    CComPtr<IUnknown>                    pUnk;
    CComPtr<IFileSystemBindData>        pfsbd;
    HRESULT                                ret;
 
    TRACE("%p, %p\n", pbc, pfd);
 
    ret = pbc->GetObjectParam((LPOLESTR)STR_FILE_SYS_BIND_DATA, &pUnk);
    if (SUCCEEDED(ret))
    {
        ret = pUnk->QueryInterface(IID_PPV_ARG(IFileSystemBindData, &pfsbd));
        if (SUCCEEDED(ret))
            ret = pfsbd->SetFindData(pfd);
    }
    return ret;
}
 
CFileSysBindData::CFileSysBindData()
{
    memset(&findFile, 0, sizeof(WIN32_FIND_DATAW));
}
 
CFileSysBindData::~CFileSysBindData()
{
    TRACE(" destroying ISFBindPidl(%p)\n", this);
}
 
HRESULT WINAPI CFileSysBindData::GetFindData(WIN32_FIND_DATAW *pfd)
{
    TRACE("(%p), %p\n", this, pfd);
 
    if (!pfd)
        return E_INVALIDARG;
 
    memcpy(pfd, &findFile, sizeof(WIN32_FIND_DATAW));
    return S_OK;
}
 
HRESULT WINAPI CFileSysBindData::SetFindData(const WIN32_FIND_DATAW *pfd)
{
    TRACE("(%p), %p\n", this, pfd);
 
    if (pfd)
        memcpy(&findFile, pfd, sizeof(WIN32_FIND_DATAW));
    else
        memset(&findFile, 0, sizeof(WIN32_FIND_DATAW));
    return S_OK;
}