mirror of
https://github.com/reactos/reactos.git
synced 2024-11-20 06:15:26 +00:00
400 lines
11 KiB
C++
400 lines
11 KiB
C++
/*
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* PROJECT: shell32
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* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
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* PURPOSE: IEnumFORMATETC, IDataObject implementation
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* COPYRIGHT: Copyright 1998, 1999 <juergen.schmied@metronet.de>
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* Copyright 2019 Mark Jansen (mark.jansen@reactos.org)
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*/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/***********************************************************************
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* IEnumFORMATETC implementation
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*/
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class IEnumFORMATETCImpl :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IEnumFORMATETC
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{
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private:
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UINT posFmt;
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UINT countFmt;
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LPFORMATETC pFmt;
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public:
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IEnumFORMATETCImpl();
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~IEnumFORMATETCImpl();
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HRESULT WINAPI Initialize(UINT cfmt, const FORMATETC afmt[]);
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// *****************
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virtual HRESULT WINAPI Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed);
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virtual HRESULT WINAPI Skip(ULONG celt);
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virtual HRESULT WINAPI Reset();
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virtual HRESULT WINAPI Clone(LPENUMFORMATETC* ppenum);
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BEGIN_COM_MAP(IEnumFORMATETCImpl)
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COM_INTERFACE_ENTRY_IID(IID_IEnumFORMATETC, IEnumFORMATETC)
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END_COM_MAP()
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};
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IEnumFORMATETCImpl::IEnumFORMATETCImpl()
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{
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posFmt = 0;
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countFmt = 0;
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pFmt = NULL;
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}
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IEnumFORMATETCImpl::~IEnumFORMATETCImpl()
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{
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}
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HRESULT WINAPI IEnumFORMATETCImpl::Initialize(UINT cfmt, const FORMATETC afmt[])
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{
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DWORD size;
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size = cfmt * sizeof(FORMATETC);
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countFmt = cfmt;
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pFmt = (LPFORMATETC)SHAlloc(size);
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if (pFmt == NULL)
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return E_OUTOFMEMORY;
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memcpy(pFmt, afmt, size);
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return S_OK;
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}
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HRESULT WINAPI IEnumFORMATETCImpl::Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed)
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{
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UINT i;
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TRACE("(%p)->(%u,%p)\n", this, celt, rgelt);
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if (!pFmt)
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return S_FALSE;
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if (!rgelt)
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return E_INVALIDARG;
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if (pceltFethed)
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*pceltFethed = 0;
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for (i = 0; posFmt < countFmt && celt > i; i++)
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{
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*rgelt++ = pFmt[posFmt++];
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}
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if (pceltFethed)
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*pceltFethed = i;
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return ((i == celt) ? S_OK : S_FALSE);
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}
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HRESULT WINAPI IEnumFORMATETCImpl::Skip(ULONG celt)
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{
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TRACE("(%p)->(num=%u)\n", this, celt);
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if (posFmt + celt >= countFmt)
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return S_FALSE;
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posFmt += celt;
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return S_OK;
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}
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HRESULT WINAPI IEnumFORMATETCImpl::Reset()
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{
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TRACE("(%p)->()\n", this);
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posFmt = 0;
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return S_OK;
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}
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HRESULT WINAPI IEnumFORMATETCImpl::Clone(LPENUMFORMATETC* ppenum)
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{
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HRESULT hResult;
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TRACE("(%p)->(ppenum=%p)\n", this, ppenum);
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if (!ppenum) return E_INVALIDARG;
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hResult = IEnumFORMATETC_Constructor(countFmt, pFmt, ppenum);
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if (FAILED_UNEXPECTEDLY(hResult))
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return hResult;
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return (*ppenum)->Skip(posFmt);
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}
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HRESULT IEnumFORMATETC_Constructor(UINT cfmt, const FORMATETC afmt[], IEnumFORMATETC **ppFormat)
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{
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return ShellObjectCreatorInit<IEnumFORMATETCImpl>(cfmt, afmt, IID_PPV_ARG(IEnumFORMATETC, ppFormat));
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}
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/***********************************************************************
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* IDataObject implementation
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* For now (2019-10-12) it's compatible with 2k3's data object
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* See shell32_apitest!CIDLData for changes between versions
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*/
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class CIDLDataObj :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IDataObject,
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public IAsyncOperation
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{
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private:
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CSimpleArray<FORMATETC> m_Formats;
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CSimpleArray<STGMEDIUM> m_Storage;
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UINT m_cfShellIDList;
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BOOL m_doasync;
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public:
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CIDLDataObj();
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~CIDLDataObj();
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HRESULT WINAPI Initialize(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidlx, UINT cidlx, BOOL bAddAdditionalFormats);
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// *** IDataObject methods ***
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virtual HRESULT WINAPI GetData(LPFORMATETC pformatetcIn, STGMEDIUM *pmedium);
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virtual HRESULT WINAPI GetDataHere(LPFORMATETC pformatetc, STGMEDIUM *pmedium);
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virtual HRESULT WINAPI QueryGetData(LPFORMATETC pformatetc);
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virtual HRESULT WINAPI GetCanonicalFormatEtc(LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut);
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virtual HRESULT WINAPI SetData(LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease);
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virtual HRESULT WINAPI EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc);
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virtual HRESULT WINAPI DAdvise(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection);
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virtual HRESULT WINAPI DUnadvise(DWORD dwConnection);
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virtual HRESULT WINAPI EnumDAdvise(IEnumSTATDATA **ppenumAdvise);
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// *** IAsyncOperation methods ***
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virtual HRESULT WINAPI SetAsyncMode(BOOL fDoOpAsync);
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virtual HRESULT WINAPI GetAsyncMode(BOOL *pfIsOpAsync);
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virtual HRESULT WINAPI StartOperation(IBindCtx *pbcReserved);
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virtual HRESULT WINAPI InOperation(BOOL *pfInAsyncOp);
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virtual HRESULT WINAPI EndOperation(HRESULT hResult, IBindCtx *pbcReserved, DWORD dwEffects);
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BEGIN_COM_MAP(CIDLDataObj)
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COM_INTERFACE_ENTRY_IID(IID_IDataObject, IDataObject)
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COM_INTERFACE_ENTRY_IID(IID_IAsyncOperation, IAsyncOperation)
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END_COM_MAP()
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};
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CIDLDataObj::CIDLDataObj()
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{
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m_cfShellIDList = 0;
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m_doasync = FALSE;
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}
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CIDLDataObj::~CIDLDataObj()
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{
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TRACE(" destroying IDataObject(%p)\n", this);
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for (int n = 0; n < m_Storage.GetSize(); ++n)
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{
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ReleaseStgMedium(&m_Storage[n]);
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}
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m_Formats.RemoveAll();
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m_Storage.RemoveAll();
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}
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HRESULT WINAPI CIDLDataObj::Initialize(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidlx, UINT cidlx, BOOL bAddAdditionalFormats)
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{
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HGLOBAL hida = RenderSHELLIDLIST((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
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if (!hida)
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{
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ERR("Failed to render " CFSTR_SHELLIDLISTA "\n");
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return E_OUTOFMEMORY;
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}
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m_cfShellIDList = RegisterClipboardFormatW(CFSTR_SHELLIDLIST);
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FORMATETC Format = { (CLIPFORMAT)m_cfShellIDList, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
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STGMEDIUM medium = {0};
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medium.tymed = TYMED_HGLOBAL;
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medium.hGlobal = hida;
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HRESULT hr = SetData(&Format, &medium, TRUE);
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if (!FAILED_UNEXPECTEDLY(hr) && bAddAdditionalFormats)
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{
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Format.cfFormat = CF_HDROP;
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medium.hGlobal = RenderHDROP((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
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hr = SetData(&Format, &medium, TRUE);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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Format.cfFormat = RegisterClipboardFormatA(CFSTR_FILENAMEA);
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medium.hGlobal = RenderFILENAMEA((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
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hr = SetData(&Format, &medium, TRUE);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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Format.cfFormat = RegisterClipboardFormatW(CFSTR_FILENAMEW);
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medium.hGlobal = RenderFILENAMEW((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
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hr = SetData(&Format, &medium, TRUE);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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}
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return hr;
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}
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HRESULT WINAPI CIDLDataObj::GetData(LPFORMATETC pformatetcIn, STGMEDIUM *pmedium)
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{
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if (TRACE_ON(shell))
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{
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char szTemp[256] = {0};
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GetClipboardFormatNameA (pformatetcIn->cfFormat, szTemp, 256);
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TRACE("(%p)->(%p %p format=%s)\n", this, pformatetcIn, pmedium, szTemp);
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}
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for (int n = 0; n < m_Formats.GetSize(); ++n)
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{
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const FORMATETC& fmt = m_Formats[n];
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if (fmt.cfFormat == pformatetcIn->cfFormat &&
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fmt.dwAspect == pformatetcIn->dwAspect &&
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fmt.tymed == pformatetcIn->tymed)
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{
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if (pformatetcIn->tymed != TYMED_HGLOBAL)
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{
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UNIMPLEMENTED;
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return E_INVALIDARG;
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}
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else
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{
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*pmedium = m_Storage[n];
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return QueryInterface(IID_PPV_ARG(IUnknown, &pmedium->pUnkForRelease));
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}
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}
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}
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return E_INVALIDARG;
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}
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HRESULT WINAPI CIDLDataObj::GetDataHere(LPFORMATETC pformatetc, STGMEDIUM *pmedium)
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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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HRESULT WINAPI CIDLDataObj::QueryGetData(LPFORMATETC pformatetc)
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{
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TRACE("(%p)->(fmt=0x%08x tym=0x%08x)\n", this, pformatetc->cfFormat, pformatetc->tymed);
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for (int n = 0; n < m_Formats.GetSize(); ++n)
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{
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const FORMATETC& fmt = m_Formats[n];
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if (fmt.cfFormat == pformatetc->cfFormat &&
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fmt.dwAspect == pformatetc->dwAspect &&
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fmt.tymed == pformatetc->tymed)
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{
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return S_OK;
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}
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}
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return S_FALSE;
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}
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HRESULT WINAPI CIDLDataObj::GetCanonicalFormatEtc(LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut)
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{
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//FIXME("(%p)->()\n", this);
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return DATA_S_SAMEFORMATETC;
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}
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HRESULT WINAPI CIDLDataObj::SetData(LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
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{
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if (!fRelease)
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return E_INVALIDARG;
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for (int n = 0; n < m_Formats.GetSize(); ++n)
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{
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const FORMATETC& fmt = m_Formats[n];
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if (fmt.cfFormat == pformatetc->cfFormat &&
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fmt.dwAspect == pformatetc->dwAspect &&
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fmt.tymed == pformatetc->tymed)
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{
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ReleaseStgMedium(&m_Storage[n]);
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m_Storage[n] = *pmedium;
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return S_OK;
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}
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}
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m_Formats.Add(*pformatetc);
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m_Storage.Add(*pmedium);
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return S_OK;
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}
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HRESULT WINAPI CIDLDataObj::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
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{
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TRACE("(%p)->()\n", this);
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*ppenumFormatEtc = NULL;
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/* only get data */
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if (DATADIR_GET == dwDirection)
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{
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return IEnumFORMATETC_Constructor(m_Formats.GetSize(), m_Formats.GetData(), ppenumFormatEtc);
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}
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return E_NOTIMPL;
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}
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HRESULT WINAPI CIDLDataObj::DAdvise(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
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{
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return OLE_E_ADVISENOTSUPPORTED;
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}
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HRESULT WINAPI CIDLDataObj::DUnadvise(DWORD dwConnection)
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{
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return OLE_E_ADVISENOTSUPPORTED;
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}
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HRESULT WINAPI CIDLDataObj::EnumDAdvise(IEnumSTATDATA **ppenumAdvise)
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{
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return OLE_E_ADVISENOTSUPPORTED;
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}
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HRESULT WINAPI CIDLDataObj::GetAsyncMode(BOOL *pfIsOpAsync)
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{
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TRACE("(%p)->()\n", this);
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*pfIsOpAsync = m_doasync;
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return S_OK;
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}
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HRESULT WINAPI CIDLDataObj::InOperation(BOOL *pfInAsyncOp)
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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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HRESULT WINAPI CIDLDataObj::SetAsyncMode(BOOL fDoOpAsync)
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{
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TRACE("(%p)->()\n", this);
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m_doasync = fDoOpAsync;
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return S_OK;
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}
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HRESULT WINAPI CIDLDataObj::StartOperation(IBindCtx *pbcReserved)
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{
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TRACE("(%p)->()\n", this);
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return E_NOTIMPL;
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}
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HRESULT WINAPI CIDLDataObj::EndOperation(HRESULT hResult, IBindCtx *pbcReserved, DWORD dwEffects)
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{
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TRACE("(%p)->()\n", this);
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return E_NOTIMPL;
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}
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/**************************************************************************
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* IDataObject_Constructor
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*/
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HRESULT IDataObject_Constructor(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidl, UINT cidl, BOOL bExtendedObject, IDataObject **dataObject)
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{
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if (!dataObject)
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return E_INVALIDARG;
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return ShellObjectCreatorInit<CIDLDataObj>(hwndOwner, pMyPidl, apidl, cidl, bExtendedObject, IID_PPV_ARG(IDataObject, dataObject));
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}
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/*************************************************************************
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* SHCreateDataObject [SHELL32.@]
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*
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*/
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HRESULT WINAPI SHCreateDataObject(PCIDLIST_ABSOLUTE pidlFolder, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, IDataObject *pdtInner, REFIID riid, void **ppv)
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{
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if (IsEqualIID(riid, IID_IDataObject))
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{
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if (pdtInner)
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UNIMPLEMENTED;
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return IDataObject_Constructor(NULL, pidlFolder, apidl, cidl, TRUE, (IDataObject **)ppv);
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}
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return E_FAIL;
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}
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