mirror of
https://github.com/reactos/reactos.git
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206 lines
4.7 KiB
C++
206 lines
4.7 KiB
C++
/*
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* PROJECT: mydocs
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* LICENSE: LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
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* PURPOSE: MyDocs implementation
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* COPYRIGHT: Copyright 2020 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
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*/
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#include "precomp.hpp"
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WINE_DEFAULT_DEBUG_CHANNEL(mydocs);
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CMyDocsDropHandler::CMyDocsDropHandler()
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{
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InterlockedIncrement(&g_ModuleRefCnt);
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}
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CMyDocsDropHandler::~CMyDocsDropHandler()
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{
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InterlockedDecrement(&g_ModuleRefCnt);
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}
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// IDropTarget
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STDMETHODIMP
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CMyDocsDropHandler::DragEnter(IDataObject *pDataObject, DWORD dwKeyState,
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POINTL pt, DWORD *pdwEffect)
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{
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TRACE("(%p)\n", this);
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*pdwEffect &= DROPEFFECT_COPY; // Copy only
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return S_OK;
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}
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STDMETHODIMP
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CMyDocsDropHandler::DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
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{
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TRACE("(%p)\n", this);
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*pdwEffect &= DROPEFFECT_COPY; // Copy only
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return S_OK;
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}
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STDMETHODIMP CMyDocsDropHandler::DragLeave()
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{
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TRACE("(%p)\n", this);
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return S_OK;
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}
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STDMETHODIMP
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CMyDocsDropHandler::Drop(IDataObject *pDataObject, DWORD dwKeyState,
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POINTL pt, DWORD *pdwEffect)
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{
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TRACE("(%p)\n", this);
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if (!pDataObject)
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{
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ERR("pDataObject is NULL\n");
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*pdwEffect = 0;
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DragLeave();
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return E_POINTER;
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}
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CComPtr<IShellFolder> pDesktop;
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HRESULT hr = SHGetDesktopFolder(&pDesktop);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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// Retrieve an HIDA (handle of IDA)
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CDataObjectHIDA pida(pDataObject);
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if (FAILED_UNEXPECTEDLY(pida.hr()))
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{
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*pdwEffect = 0;
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DragLeave();
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return pida.hr();
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}
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UINT iItem, cItems = pida->cidl;
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// get the path of "My Documents"
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WCHAR szzDir[MAX_PATH + 1];
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SHGetSpecialFolderPathW(NULL, szzDir, CSIDL_PERSONAL, FALSE);
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szzDir[lstrlenW(szzDir) + 1] = 0; // ends with double NULs
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// for all source items
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CStringW strSrcList;
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WCHAR szSrc[MAX_PATH];
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PCIDLIST_ABSOLUTE pidlParent = HIDA_GetPIDLFolder(pida);
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for (iItem = 0; iItem < cItems; ++iItem)
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{
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// query source pidl
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PCITEMID_CHILD pidlChild = HIDA_GetPIDLItem(pida, iItem);
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CComHeapPtr<ITEMIDLIST> pidl(ILCombine(pidlParent, pidlChild));
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// can get path?
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szSrc[0] = 0;
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if (!SHGetPathFromIDListW(pidl, szSrc))
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{
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// try to retrieve path from desktop
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STRRET strret;
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hr = pDesktop->GetDisplayNameOf(pidl, SHGDN_INFOLDER, &strret);
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if (FAILED_UNEXPECTEDLY(hr))
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break;
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hr = StrRetToBufW(&strret, pidl, szSrc, _countof(szSrc));
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if (FAILED_UNEXPECTEDLY(hr))
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break;
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if (!PathFileExistsW(szSrc))
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break;
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}
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if (iItem > 0)
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strSrcList += L'|'; // separator is '|'
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strSrcList += szSrc;
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}
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if (iItem != cItems)
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{
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// source not found
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CStringW strText;
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strText.Format(IDS_NOSRCFILEFOUND, szSrc[0] ? szSrc : L"(null)");
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MessageBoxW(NULL, strText, NULL, MB_ICONERROR);
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*pdwEffect = 0;
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DragLeave();
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return E_FAIL;
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}
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strSrcList += L"||"; // double separators
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// lock the buffer
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LPWSTR pszzSrcList = strSrcList.GetBuffer();
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// convert every separator to a NUL
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INT cch = strSrcList.GetLength();
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for (INT i = 0; i < cch; ++i)
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{
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if (pszzSrcList[i] == L'|')
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pszzSrcList[i] = L'\0';
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}
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// copy them
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SHFILEOPSTRUCTW fileop = { NULL };
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fileop.wFunc = FO_COPY;
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fileop.pFrom = pszzSrcList;
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fileop.pTo = szzDir;
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fileop.fFlags = FOF_ALLOWUNDO | FOF_FILESONLY | FOF_MULTIDESTFILES | FOF_NOCONFIRMMKDIR;
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int res = SHFileOperationW(&fileop);
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if (res)
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{
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ERR("SHFileOperationW failed with 0x%x\n", res);
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hr = E_FAIL;
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}
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// unlock buffer
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strSrcList.ReleaseBuffer();
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DragLeave();
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return hr;
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}
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// IPersistFile
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STDMETHODIMP CMyDocsDropHandler::GetCurFile(LPOLESTR *ppszFileName)
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{
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FIXME("(%p)\n", this);
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return E_NOTIMPL;
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}
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STDMETHODIMP CMyDocsDropHandler::IsDirty()
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{
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FIXME("(%p)\n", this);
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return E_NOTIMPL;
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}
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STDMETHODIMP CMyDocsDropHandler::Load(LPCOLESTR pszFileName, DWORD dwMode)
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{
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return S_OK;
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}
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STDMETHODIMP CMyDocsDropHandler::Save(LPCOLESTR pszFileName, BOOL fRemember)
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{
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FIXME("(%p)\n", this);
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return E_NOTIMPL;
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}
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STDMETHODIMP CMyDocsDropHandler::SaveCompleted(LPCOLESTR pszFileName)
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{
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FIXME("(%p)\n", this);
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return E_NOTIMPL;
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}
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// IPersist
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STDMETHODIMP CMyDocsDropHandler::GetClassID(CLSID * lpClassId)
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{
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TRACE("(%p)\n", this);
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if (!lpClassId)
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{
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ERR("lpClassId is NULL\n");
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return E_POINTER;
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}
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*lpClassId = CLSID_MyDocsDropHandler;
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return S_OK;
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}
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