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[SHELL32]

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- Move CFSDropTarget to its own file.

svn path=/trunk/; revision=72206
This commit is contained in:
Giannis Adamopoulos 2016-08-12 11:35:24 +00:00
parent 65ed10be3f
commit 87bf08acdb
6 changed files with 678 additions and 618 deletions
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1
reactos/dll/win32/shell32/CMakeLists.txt
View file

@ -55,6 +55,7 @@ list(APPEND SOURCE
folders/CRecycleBin.cpp
folders/CRegFolder.cpp
droptargets/CexeDropHandler.cpp
droptargets/CFSDropTarget.cpp
shlexec.cpp
shlfileop.cpp
shlfolder.cpp

600
reactos/dll/win32/shell32/droptargets/CFSDropTarget.cpp Normal file
View file

@ -0,0 +1,600 @@
/*
* file system folder drop target
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
*
* 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 (shell);
/****************************************************************************
* BuildPathsList
*
* Builds a list of paths like the one used in SHFileOperation from a table of
* PIDLs relative to the given base folder
*/
WCHAR *
BuildPathsList(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls)
{
WCHAR *pwszPathsList;
WCHAR *pwszListPos;
int iPathLen, i;
iPathLen = wcslen(wszBasePath);
pwszPathsList = (WCHAR *)HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) * cidl + 1);
pwszListPos = pwszPathsList;
for (i = 0; i < cidl; i++)
{
if (!_ILIsFolder(pidls[i]) && !_ILIsValue(pidls[i]))
continue;
wcscpy(pwszListPos, wszBasePath);
pwszListPos += iPathLen;
/* FIXME: abort if path too long */
_ILSimpleGetTextW(pidls[i], pwszListPos, MAX_PATH - iPathLen);
pwszListPos += wcslen(pwszListPos) + 1;
}
*pwszListPos = 0;
return pwszPathsList;
}
/****************************************************************************
* CFSDropTarget::CopyItems
*
* copies items to this folder
*/
HRESULT WINAPI CFSDropTarget::CopyItems(IShellFolder * pSFFrom, UINT cidl,
LPCITEMIDLIST * apidl, BOOL bCopy)
{
CComPtr<IPersistFolder2> ppf2 = NULL;
WCHAR szSrcPath[MAX_PATH];
WCHAR szTargetPath[MAX_PATH];
SHFILEOPSTRUCTW op;
LPITEMIDLIST pidl;
LPWSTR pszSrc, pszTarget, pszSrcList, pszTargetList, pszFileName;
int res, length;
HRESULT hr;
TRACE ("(%p)->(%p,%u,%p)\n", this, pSFFrom, cidl, apidl);
hr = pSFFrom->QueryInterface (IID_PPV_ARG(IPersistFolder2, &ppf2));
if (SUCCEEDED(hr))
{
hr = ppf2->GetCurFolder(&pidl);
if (FAILED(hr))
{
return hr;
}
hr = SHGetPathFromIDListW(pidl, szSrcPath);
SHFree(pidl);
if (FAILED(hr))
return hr;
pszSrc = PathAddBackslashW(szSrcPath);
wcscpy(szTargetPath, sPathTarget);
pszTarget = PathAddBackslashW(szTargetPath);
pszSrcList = BuildPathsList(szSrcPath, cidl, apidl);
pszTargetList = BuildPathsList(szTargetPath, cidl, apidl);
if (!pszSrcList || !pszTargetList)
{
if (pszSrcList)
HeapFree(GetProcessHeap(), 0, pszSrcList);
if (pszTargetList)
HeapFree(GetProcessHeap(), 0, pszTargetList);
SHFree(pidl);
return E_OUTOFMEMORY;
}
ZeroMemory(&op, sizeof(op));
if (!pszSrcList[0])
{
/* remove trailing backslash */
pszSrc--;
pszSrc[0] = L'\0';
op.pFrom = szSrcPath;
}
else
{
op.pFrom = pszSrcList;
}
if (!pszTargetList[0])
{
/* remove trailing backslash */
if (pszTarget - szTargetPath > 3)
{
pszTarget--;
pszTarget[0] = L'\0';
}
else
{
pszTarget[1] = L'\0';
}
op.pTo = szTargetPath;
op.fFlags = 0;
}
else
{
op.pTo = pszTargetList;
op.fFlags = FOF_MULTIDESTFILES;
}
op.hwnd = GetActiveWindow();
op.wFunc = bCopy ? FO_COPY : FO_MOVE;
op.fFlags |= FOF_ALLOWUNDO | FOF_NOCONFIRMMKDIR;
res = SHFileOperationW(&op);
if (res == DE_SAMEFILE)
{
length = wcslen(szTargetPath);
pszFileName = wcsrchr(pszSrcList, '\\');
pszFileName++;
if (LoadStringW(shell32_hInstance, IDS_COPY_OF, pszTarget, MAX_PATH - length))
{
wcscat(szTargetPath, L" ");
}
wcscat(szTargetPath, pszFileName);
op.pTo = szTargetPath;
res = SHFileOperationW(&op);
}
HeapFree(GetProcessHeap(), 0, pszSrcList);
HeapFree(GetProcessHeap(), 0, pszTargetList);
if (res)
return E_FAIL;
else
return S_OK;
}
return E_FAIL;
}
CFSDropTarget::CFSDropTarget():
cfShellIDList(0),
fAcceptFmt(FALSE),
sPathTarget(NULL)
{
}
HRESULT WINAPI CFSDropTarget::Initialize(LPWSTR PathTarget)
{
cfShellIDList = RegisterClipboardFormatW(CFSTR_SHELLIDLIST);
if (!cfShellIDList)
return E_FAIL;
sPathTarget = (WCHAR *)SHAlloc((wcslen(PathTarget) + 1) * sizeof(WCHAR));
if (!sPathTarget)
return E_OUTOFMEMORY;
wcscpy(sPathTarget, PathTarget);
return S_OK;
}
CFSDropTarget::~CFSDropTarget()
{
SHFree(sPathTarget);
}
BOOL
CFSDropTarget::GetUniqueFileName(LPWSTR pwszBasePath, LPCWSTR pwszExt, LPWSTR pwszTarget, BOOL bShortcut)
{
WCHAR wszLink[40];
if (!bShortcut)
{
if (!LoadStringW(shell32_hInstance, IDS_LNK_FILE, wszLink, _countof(wszLink)))
wszLink[0] = L'\0';
}
if (!bShortcut)
swprintf(pwszTarget, L"%s%s%s", wszLink, pwszBasePath, pwszExt);
else
swprintf(pwszTarget, L"%s%s", pwszBasePath, pwszExt);
for (UINT i = 2; PathFileExistsW(pwszTarget); ++i)
{
if (!bShortcut)
swprintf(pwszTarget, L"%s%s (%u)%s", wszLink, pwszBasePath, i, pwszExt);
else
swprintf(pwszTarget, L"%s (%u)%s", pwszBasePath, i, pwszExt);
}
return TRUE;
}
/****************************************************************************
* IDropTarget implementation
*/
BOOL CFSDropTarget::QueryDrop(DWORD dwKeyState, LPDWORD pdwEffect)
{
/* TODO Windows does different drop effects if dragging across drives.
i.e., it will copy instead of move if the directories are on different disks. */
DWORD dwEffect = DROPEFFECT_MOVE;
*pdwEffect = DROPEFFECT_NONE;
if (fAcceptFmt) { /* Does our interpretation of the keystate ... */
*pdwEffect = KeyStateToDropEffect (dwKeyState);
if (*pdwEffect == DROPEFFECT_NONE)
*pdwEffect = dwEffect;
/* ... matches the desired effect ? */
if (dwEffect & *pdwEffect) {
return TRUE;
}
}
return FALSE;
}
HRESULT WINAPI CFSDropTarget::DragEnter(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p)->(DataObject=%p)\n", this, pDataObject);
FORMATETC fmt;
FORMATETC fmt2;
fAcceptFmt = FALSE;
InitFormatEtc (fmt, cfShellIDList, TYMED_HGLOBAL);
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
if (SUCCEEDED(pDataObject->QueryGetData(&fmt)))
fAcceptFmt = TRUE;
else if (SUCCEEDED(pDataObject->QueryGetData(&fmt2)))
fAcceptFmt = TRUE;
QueryDrop(dwKeyState, pdwEffect);
return S_OK;
}
HRESULT WINAPI CFSDropTarget::DragOver(DWORD dwKeyState, POINTL pt,
DWORD *pdwEffect)
{
TRACE("(%p)\n", this);
if (!pdwEffect)
return E_INVALIDARG;
QueryDrop(dwKeyState, pdwEffect);
return S_OK;
}
HRESULT WINAPI CFSDropTarget::DragLeave()
{
TRACE("(%p)\n", this);
fAcceptFmt = FALSE;
return S_OK;
}
HRESULT WINAPI CFSDropTarget::Drop(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p) object dropped, effect %u\n", this, *pdwEffect);
if (!pdwEffect)
return E_INVALIDARG;
QueryDrop(dwKeyState, pdwEffect);
BOOL fIsOpAsync = FALSE;
CComPtr<IAsyncOperation> pAsyncOperation;
if (SUCCEEDED(pDataObject->QueryInterface(IID_PPV_ARG(IAsyncOperation, &pAsyncOperation))))
{
if (SUCCEEDED(pAsyncOperation->GetAsyncMode(&fIsOpAsync)) && fIsOpAsync)
{
_DoDropData *data = static_cast<_DoDropData*>(HeapAlloc(GetProcessHeap(), 0, sizeof(_DoDropData)));
data->This = this;
// Need to maintain this class in case the window is closed or the class exists temporarily (when dropping onto a folder).
pDataObject->AddRef();
pAsyncOperation->StartOperation(NULL);
CoMarshalInterThreadInterfaceInStream(IID_IDataObject, pDataObject, &data->pStream);
this->AddRef();
data->dwKeyState = dwKeyState;
data->pt = pt;
// Need to dereference as pdweffect gets freed.
data->pdwEffect = *pdwEffect;
SHCreateThread(CFSDropTarget::_DoDropThreadProc, data, NULL, NULL);
return S_OK;
}
}
return this->_DoDrop(pDataObject, dwKeyState, pt, pdwEffect);
}
HRESULT WINAPI CFSDropTarget::_DoDrop(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p) performing drop, effect %u\n", this, *pdwEffect);
FORMATETC fmt;
FORMATETC fmt2;
STGMEDIUM medium;
InitFormatEtc (fmt, cfShellIDList, TYMED_HGLOBAL);
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
HRESULT hr;
bool bCopy = TRUE;
bool bLinking = FALSE;
/* Figure out what drop operation we're doing */
if (pdwEffect)
{
TRACE("Current drop effect flag %i\n", *pdwEffect);
if ((*pdwEffect & DROPEFFECT_MOVE) == DROPEFFECT_MOVE)
bCopy = FALSE;
if ((*pdwEffect & DROPEFFECT_LINK) == DROPEFFECT_LINK)
bLinking = TRUE;
}
if (SUCCEEDED(pDataObject->QueryGetData(&fmt)))
{
hr = pDataObject->GetData(&fmt, &medium);
TRACE("CFSTR_SHELLIDLIST.\n");
/* lock the handle */
LPIDA lpcida = (LPIDA)GlobalLock(medium.hGlobal);
if (!lpcida)
{
ReleaseStgMedium(&medium);
return E_FAIL;
}
/* convert the data into pidl */
LPITEMIDLIST pidl;
LPITEMIDLIST *apidl = _ILCopyCidaToaPidl(&pidl, lpcida);
if (!apidl)
{
ReleaseStgMedium(&medium);
return E_FAIL;
}
CComPtr<IShellFolder> psfDesktop;
CComPtr<IShellFolder> psfFrom = NULL;
/* Grab the desktop shell folder */
hr = SHGetDesktopFolder(&psfDesktop);
if (FAILED(hr))
{
ERR("SHGetDesktopFolder failed\n");
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
return E_FAIL;
}
/* Find source folder, this is where the clipboard data was copied from */
if (_ILIsDesktop(pidl))
{
/* use desktop shell folder */
psfFrom = psfDesktop;
}
else
{
hr = psfDesktop->BindToObject(pidl, NULL, IID_PPV_ARG(IShellFolder, &psfFrom));
if (FAILED(hr))
{
ERR("no IShellFolder\n");
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
return E_FAIL;
}
}
if (bLinking)
{
WCHAR wszTargetPath[MAX_PATH];
WCHAR wszPath[MAX_PATH];
WCHAR wszTarget[MAX_PATH];
wcscpy(wszTargetPath, sPathTarget);
TRACE("target path = %s", debugstr_w(wszTargetPath));
/* We need to create a link for each pidl in the copied items, so step through the pidls from the clipboard */
for (UINT i = 0; i < lpcida->cidl; i++)
{
//Find out which file we're copying
STRRET strFile;
hr = psfFrom->GetDisplayNameOf(apidl[i], SHGDN_FORPARSING, &strFile);
if (FAILED(hr))
{
ERR("Error source obtaining path");
break;
}
hr = StrRetToBufW(&strFile, apidl[i], wszPath, _countof(wszPath));
if (FAILED(hr))
{
ERR("Error putting source path into buffer");
break;
}
TRACE("source path = %s", debugstr_w(wszPath));
// Creating a buffer to hold the combined path
WCHAR buffer_1[MAX_PATH] = L"";
WCHAR *lpStr1;
lpStr1 = buffer_1;
LPWSTR pwszFileName = PathFindFileNameW(wszPath);
LPWSTR pwszExt = PathFindExtensionW(wszPath);
LPWSTR placementPath = PathCombineW(lpStr1, sPathTarget, pwszFileName);
CComPtr<IPersistFile> ppf;
//Check to see if it's already a link.
if (!wcsicmp(pwszExt, L".lnk"))
{
//It's a link so, we create a new one which copies the old.
if(!GetUniqueFileName(placementPath, pwszExt, wszTarget, TRUE))
{
ERR("Error getting unique file name");
hr = E_FAIL;
break;
}
hr = IShellLink_ConstructFromPath(wszPath, IID_PPV_ARG(IPersistFile, &ppf));
if (FAILED(hr)) {
ERR("Error constructing link from file");
break;
}
hr = ppf->Save(wszTarget, FALSE);
if (FAILED(hr))
break;
SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, wszTarget, NULL);
}
else
{
//It's not a link, so build a new link using the creator class and fill it in.
//Create a file name for the link
if (!GetUniqueFileName(placementPath, L".lnk", wszTarget, TRUE))
{
ERR("Error creating unique file name");
hr = E_FAIL;
break;
}
CComPtr<IShellLinkW> pLink;
hr = CShellLink::_CreatorClass::CreateInstance(NULL, IID_PPV_ARG(IShellLinkW, &pLink));
if (FAILED(hr)) {
ERR("Error instantiating IShellLinkW");
break;
}
WCHAR szDirPath[MAX_PATH], *pwszFile;
GetFullPathName(wszPath, MAX_PATH, szDirPath, &pwszFile);
if (pwszFile) pwszFile[0] = 0;
hr = pLink->SetPath(wszPath);
if(FAILED(hr))
break;
hr = pLink->SetWorkingDirectory(szDirPath);
if(FAILED(hr))
break;
hr = pLink->QueryInterface(IID_PPV_ARG(IPersistFile, &ppf));
if(FAILED(hr))
break;
hr = ppf->Save(wszTarget, TRUE);
if (FAILED(hr))
break;
SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, wszTarget, NULL);
}
}
}
else
{
hr = this->CopyItems(psfFrom, lpcida->cidl, (LPCITEMIDLIST*)apidl, bCopy);
}
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
}
else if (SUCCEEDED(pDataObject->QueryGetData(&fmt2)))
{
FORMATETC fmt2;
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
if (SUCCEEDED(pDataObject->GetData(&fmt2, &medium)) /* && SUCCEEDED(pDataObject->GetData(&fmt2, &medium))*/)
{
WCHAR wszTargetPath[MAX_PATH + 1];
LPWSTR pszSrcList;
wcscpy(wszTargetPath, sPathTarget);
//Double NULL terminate.
wszTargetPath[wcslen(wszTargetPath) + 1] = '\0';
LPDROPFILES lpdf = (LPDROPFILES) GlobalLock(medium.hGlobal);
if (!lpdf)
{
ERR("Error locking global\n");
return E_FAIL;
}
pszSrcList = (LPWSTR) (((byte*) lpdf) + lpdf->pFiles);
TRACE("Source file (just the first) = %s\n", debugstr_w(pszSrcList));
TRACE("Target path = %s\n", debugstr_w(wszTargetPath));
SHFILEOPSTRUCTW op;
ZeroMemory(&op, sizeof(op));
op.pFrom = pszSrcList;
op.pTo = wszTargetPath;
op.hwnd = GetActiveWindow();
op.wFunc = bCopy ? FO_COPY : FO_MOVE;
op.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMMKDIR;
hr = SHFileOperationW(&op);
return hr;
}
ERR("Error calling GetData\n");
hr = E_FAIL;
}
else
{
ERR("No viable drop format.\n");
hr = E_FAIL;
}
return hr;
}
DWORD WINAPI CFSDropTarget::_DoDropThreadProc(LPVOID lpParameter)
{
CoInitialize(NULL);
_DoDropData *data = static_cast<_DoDropData*>(lpParameter);
CComPtr<IDataObject> pDataObject;
HRESULT hr = CoGetInterfaceAndReleaseStream (data->pStream, IID_PPV_ARG(IDataObject, &pDataObject));
if (SUCCEEDED(hr))
{
CComPtr<IAsyncOperation> pAsyncOperation;
hr = data->This->_DoDrop(pDataObject, data->dwKeyState, data->pt, &data->pdwEffect);
if (SUCCEEDED(pDataObject->QueryInterface(IID_PPV_ARG(IAsyncOperation, &pAsyncOperation))))
{
pAsyncOperation->EndOperation(hr, NULL, data->pdwEffect);
}
}
//Release the CFSFolder and data object holds in the copying thread.
data->This->Release();
//Release the parameter from the heap.
HeapFree(GetProcessHeap(), 0, data);
CoUninitialize();
return 0;
}
HRESULT CFSDropTarget_CreateInstance(LPWSTR sPathTarget, REFIID riid, LPVOID * ppvOut)
{
return ShellObjectCreatorInit<CFSDropTarget>(sPathTarget, riid, ppvOut);
}

74
reactos/dll/win32/shell32/droptargets/CFSDropTarget.h Normal file
View file

@ -0,0 +1,74 @@
/*
* file system folder drop target
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2009 Andrew Hill
*
* 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
*/
#ifndef _CFSDROPTARGET_H_
#define _CFSDROPTARGET_H_
WCHAR *BuildPathsList(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls);
class CFSDropTarget :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IDropTarget
{
private:
UINT cfShellIDList; /* clipboardformat for IDropTarget */
BOOL fAcceptFmt; /* flag for pending Drop */
LPWSTR sPathTarget;
BOOL QueryDrop (DWORD dwKeyState, LPDWORD pdwEffect);
virtual HRESULT WINAPI _DoDrop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI CopyItems(IShellFolder *pSFFrom, UINT cidl, LPCITEMIDLIST *apidl, BOOL bCopy);
BOOL GetUniqueFileName(LPWSTR pwszBasePath, LPCWSTR pwszExt, LPWSTR pwszTarget, BOOL bShortcut);
static DWORD WINAPI _DoDropThreadProc(LPVOID lpParameter);
public:
CFSDropTarget();
~CFSDropTarget();
HRESULT WINAPI Initialize(LPWSTR PathTarget);
// IDropTarget
virtual HRESULT WINAPI DragEnter(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI DragLeave();
virtual HRESULT WINAPI Drop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
DECLARE_NOT_AGGREGATABLE(CFSDropTarget)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CFSDropTarget)
COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
END_COM_MAP()
};
struct _DoDropData {
CFSDropTarget *This;
IStream *pStream;
DWORD dwKeyState;
POINTL pt;
DWORD pdwEffect;
};
HRESULT CFSDropTarget_CreateInstance(LPWSTR sPathTarget, REFIID riid, LPVOID * ppvOut);
#endif /* _CFSFOLDER_H_ */

574
reactos/dll/win32/shell32/folders/CFSFolder.cpp
View file

@ -364,7 +364,7 @@ HRESULT WINAPI CFSFolder::CreateViewObject(HWND hwndOwner,
*ppvOut = NULL;
if (IsEqualIID (riid, IID_IDropTarget))
hr = ShellObjectCreatorInit<CFSDropTarget>(sPathTarget, riid, ppvOut);
hr = CFSDropTarget_CreateInstance(sPathTarget, riid, ppvOut);
else if (IsEqualIID (riid, IID_IContextMenu))
{
FIXME ("IContextMenu not implemented\n");
@ -510,7 +510,7 @@ HRESULT WINAPI CFSFolder::GetUIObjectOf(HWND hwndOwner,
if (cidl != 1 || FAILED(hr = this->_GetDropTarget(apidl[0], (LPVOID*) &pObj)))
{
IDropTarget * pDt = NULL;
hr = ShellObjectCreatorInit<CFSDropTarget>(sPathTarget, riid, ppvOut);
hr = CFSDropTarget_CreateInstance(sPathTarget, riid, ppvOut);
pObj = pDt;
}
}
@ -824,161 +824,6 @@ HRESULT WINAPI CFSFolder::MapColumnToSCID (UINT column,
return E_NOTIMPL;
}
/****************************************************************************
* BuildPathsList
*
* Builds a list of paths like the one used in SHFileOperation from a table of
* PIDLs relative to the given base folder
*/
WCHAR *
BuildPathsList(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls)
{
WCHAR *pwszPathsList;
WCHAR *pwszListPos;
int iPathLen, i;
iPathLen = wcslen(wszBasePath);
pwszPathsList = (WCHAR *)HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) * cidl + 1);
pwszListPos = pwszPathsList;
for (i = 0; i < cidl; i++)
{
if (!_ILIsFolder(pidls[i]) && !_ILIsValue(pidls[i]))
continue;
wcscpy(pwszListPos, wszBasePath);
pwszListPos += iPathLen;
/* FIXME: abort if path too long */
_ILSimpleGetTextW(pidls[i], pwszListPos, MAX_PATH - iPathLen);
pwszListPos += wcslen(pwszListPos) + 1;
}
*pwszListPos = 0;
return pwszPathsList;
}
/****************************************************************************
* CFSDropTarget::CopyItems
*
* copies items to this folder
*/
HRESULT WINAPI CFSDropTarget::CopyItems(IShellFolder * pSFFrom, UINT cidl,
LPCITEMIDLIST * apidl, BOOL bCopy)
{
CComPtr<IPersistFolder2> ppf2 = NULL;
WCHAR szSrcPath[MAX_PATH];
WCHAR szTargetPath[MAX_PATH];
SHFILEOPSTRUCTW op;
LPITEMIDLIST pidl;
LPWSTR pszSrc, pszTarget, pszSrcList, pszTargetList, pszFileName;
int res, length;
HRESULT hr;
TRACE ("(%p)->(%p,%u,%p)\n", this, pSFFrom, cidl, apidl);
hr = pSFFrom->QueryInterface (IID_PPV_ARG(IPersistFolder2, &ppf2));
if (SUCCEEDED(hr))
{
hr = ppf2->GetCurFolder(&pidl);
if (FAILED(hr))
{
return hr;
}
hr = SHGetPathFromIDListW(pidl, szSrcPath);
SHFree(pidl);
if (FAILED(hr))
return hr;
pszSrc = PathAddBackslashW(szSrcPath);
wcscpy(szTargetPath, sPathTarget);
pszTarget = PathAddBackslashW(szTargetPath);
pszSrcList = BuildPathsList(szSrcPath, cidl, apidl);
pszTargetList = BuildPathsList(szTargetPath, cidl, apidl);
if (!pszSrcList || !pszTargetList)
{
if (pszSrcList)
HeapFree(GetProcessHeap(), 0, pszSrcList);
if (pszTargetList)
HeapFree(GetProcessHeap(), 0, pszTargetList);
SHFree(pidl);
return E_OUTOFMEMORY;
}
ZeroMemory(&op, sizeof(op));
if (!pszSrcList[0])
{
/* remove trailing backslash */
pszSrc--;
pszSrc[0] = L'\0';
op.pFrom = szSrcPath;
}
else
{
op.pFrom = pszSrcList;
}
if (!pszTargetList[0])
{
/* remove trailing backslash */
if (pszTarget - szTargetPath > 3)
{
pszTarget--;
pszTarget[0] = L'\0';
}
else
{
pszTarget[1] = L'\0';
}
op.pTo = szTargetPath;
op.fFlags = 0;
}
else
{
op.pTo = pszTargetList;
op.fFlags = FOF_MULTIDESTFILES;
}
op.hwnd = GetActiveWindow();
op.wFunc = bCopy ? FO_COPY : FO_MOVE;
op.fFlags |= FOF_ALLOWUNDO | FOF_NOCONFIRMMKDIR;
res = SHFileOperationW(&op);
if (res == DE_SAMEFILE)
{
length = wcslen(szTargetPath);
pszFileName = wcsrchr(pszSrcList, '\\');
pszFileName++;
if (LoadStringW(shell32_hInstance, IDS_COPY_OF, pszTarget, MAX_PATH - length))
{
wcscat(szTargetPath, L" ");
}
wcscat(szTargetPath, pszFileName);
op.pTo = szTargetPath;
res = SHFileOperationW(&op);
}
HeapFree(GetProcessHeap(), 0, pszSrcList);
HeapFree(GetProcessHeap(), 0, pszTargetList);
if (res)
return E_FAIL;
else
return S_OK;
}
return E_FAIL;
}
/************************************************************************
* CFSFolder::GetClassID
*/
@ -1122,421 +967,6 @@ HRESULT WINAPI CFSFolder::GetFolderTargetInfo(PERSIST_FOLDER_TARGET_INFO * ppfti
return E_NOTIMPL;
}
CFSDropTarget::CFSDropTarget():
cfShellIDList(0),
fAcceptFmt(FALSE),
sPathTarget(NULL)
{
}
HRESULT WINAPI CFSDropTarget::Initialize(LPWSTR PathTarget)
{
cfShellIDList = RegisterClipboardFormatW(CFSTR_SHELLIDLIST);
if (!cfShellIDList)
return E_FAIL;
sPathTarget = (WCHAR *)SHAlloc((wcslen(PathTarget) + 1) * sizeof(WCHAR));
if (!sPathTarget)
return E_OUTOFMEMORY;
wcscpy(sPathTarget, PathTarget);
return S_OK;
}
CFSDropTarget::~CFSDropTarget()
{
SHFree(sPathTarget);
}
BOOL
CFSDropTarget::GetUniqueFileName(LPWSTR pwszBasePath, LPCWSTR pwszExt, LPWSTR pwszTarget, BOOL bShortcut)
{
WCHAR wszLink[40];
if (!bShortcut)
{
if (!LoadStringW(shell32_hInstance, IDS_LNK_FILE, wszLink, _countof(wszLink)))
wszLink[0] = L'\0';
}
if (!bShortcut)
swprintf(pwszTarget, L"%s%s%s", wszLink, pwszBasePath, pwszExt);
else
swprintf(pwszTarget, L"%s%s", pwszBasePath, pwszExt);
for (UINT i = 2; PathFileExistsW(pwszTarget); ++i)
{
if (!bShortcut)
swprintf(pwszTarget, L"%s%s (%u)%s", wszLink, pwszBasePath, i, pwszExt);
else
swprintf(pwszTarget, L"%s (%u)%s", pwszBasePath, i, pwszExt);
}
return TRUE;
}
/****************************************************************************
* IDropTarget implementation
*/
BOOL CFSDropTarget::QueryDrop(DWORD dwKeyState, LPDWORD pdwEffect)
{
/* TODO Windows does different drop effects if dragging across drives.
i.e., it will copy instead of move if the directories are on different disks. */
DWORD dwEffect = DROPEFFECT_MOVE;
*pdwEffect = DROPEFFECT_NONE;
if (fAcceptFmt) { /* Does our interpretation of the keystate ... */
*pdwEffect = KeyStateToDropEffect (dwKeyState);
if (*pdwEffect == DROPEFFECT_NONE)
*pdwEffect = dwEffect;
/* ... matches the desired effect ? */
if (dwEffect & *pdwEffect) {
return TRUE;
}
}
return FALSE;
}
HRESULT WINAPI CFSDropTarget::DragEnter(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p)->(DataObject=%p)\n", this, pDataObject);
FORMATETC fmt;
FORMATETC fmt2;
fAcceptFmt = FALSE;
InitFormatEtc (fmt, cfShellIDList, TYMED_HGLOBAL);
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
if (SUCCEEDED(pDataObject->QueryGetData(&fmt)))
fAcceptFmt = TRUE;
else if (SUCCEEDED(pDataObject->QueryGetData(&fmt2)))
fAcceptFmt = TRUE;
QueryDrop(dwKeyState, pdwEffect);
return S_OK;
}
HRESULT WINAPI CFSDropTarget::DragOver(DWORD dwKeyState, POINTL pt,
DWORD *pdwEffect)
{
TRACE("(%p)\n", this);
if (!pdwEffect)
return E_INVALIDARG;
QueryDrop(dwKeyState, pdwEffect);
return S_OK;
}
HRESULT WINAPI CFSDropTarget::DragLeave()
{
TRACE("(%p)\n", this);
fAcceptFmt = FALSE;
return S_OK;
}
HRESULT WINAPI CFSDropTarget::Drop(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p) object dropped, effect %u\n", this, *pdwEffect);
if (!pdwEffect)
return E_INVALIDARG;
QueryDrop(dwKeyState, pdwEffect);
BOOL fIsOpAsync = FALSE;
CComPtr<IAsyncOperation> pAsyncOperation;
if (SUCCEEDED(pDataObject->QueryInterface(IID_PPV_ARG(IAsyncOperation, &pAsyncOperation))))
{
if (SUCCEEDED(pAsyncOperation->GetAsyncMode(&fIsOpAsync)) && fIsOpAsync)
{
_DoDropData *data = static_cast<_DoDropData*>(HeapAlloc(GetProcessHeap(), 0, sizeof(_DoDropData)));
data->This = this;
// Need to maintain this class in case the window is closed or the class exists temporarily (when dropping onto a folder).
pDataObject->AddRef();
pAsyncOperation->StartOperation(NULL);
CoMarshalInterThreadInterfaceInStream(IID_IDataObject, pDataObject, &data->pStream);
this->AddRef();
data->dwKeyState = dwKeyState;
data->pt = pt;
// Need to dereference as pdweffect gets freed.
data->pdwEffect = *pdwEffect;
SHCreateThread(CFSDropTarget::_DoDropThreadProc, data, NULL, NULL);
return S_OK;
}
}
return this->_DoDrop(pDataObject, dwKeyState, pt, pdwEffect);
}
HRESULT WINAPI CFSDropTarget::_DoDrop(IDataObject *pDataObject,
DWORD dwKeyState, POINTL pt, DWORD *pdwEffect)
{
TRACE("(%p) performing drop, effect %u\n", this, *pdwEffect);
FORMATETC fmt;
FORMATETC fmt2;
STGMEDIUM medium;
InitFormatEtc (fmt, cfShellIDList, TYMED_HGLOBAL);
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
HRESULT hr;
bool bCopy = TRUE;
bool bLinking = FALSE;
/* Figure out what drop operation we're doing */
if (pdwEffect)
{
TRACE("Current drop effect flag %i\n", *pdwEffect);
if ((*pdwEffect & DROPEFFECT_MOVE) == DROPEFFECT_MOVE)
bCopy = FALSE;
if ((*pdwEffect & DROPEFFECT_LINK) == DROPEFFECT_LINK)
bLinking = TRUE;
}
if (SUCCEEDED(pDataObject->QueryGetData(&fmt)))
{
hr = pDataObject->GetData(&fmt, &medium);
TRACE("CFSTR_SHELLIDLIST.\n");
/* lock the handle */
LPIDA lpcida = (LPIDA)GlobalLock(medium.hGlobal);
if (!lpcida)
{
ReleaseStgMedium(&medium);
return E_FAIL;
}
/* convert the data into pidl */
LPITEMIDLIST pidl;
LPITEMIDLIST *apidl = _ILCopyCidaToaPidl(&pidl, lpcida);
if (!apidl)
{
ReleaseStgMedium(&medium);
return E_FAIL;
}
CComPtr<IShellFolder> psfDesktop;
CComPtr<IShellFolder> psfFrom = NULL;
/* Grab the desktop shell folder */
hr = SHGetDesktopFolder(&psfDesktop);
if (FAILED(hr))
{
ERR("SHGetDesktopFolder failed\n");
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
return E_FAIL;
}
/* Find source folder, this is where the clipboard data was copied from */
if (_ILIsDesktop(pidl))
{
/* use desktop shell folder */
psfFrom = psfDesktop;
}
else
{
hr = psfDesktop->BindToObject(pidl, NULL, IID_PPV_ARG(IShellFolder, &psfFrom));
if (FAILED(hr))
{
ERR("no IShellFolder\n");
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
return E_FAIL;
}
}
if (bLinking)
{
WCHAR wszTargetPath[MAX_PATH];
WCHAR wszPath[MAX_PATH];
WCHAR wszTarget[MAX_PATH];
wcscpy(wszTargetPath, sPathTarget);
TRACE("target path = %s", debugstr_w(wszTargetPath));
/* We need to create a link for each pidl in the copied items, so step through the pidls from the clipboard */
for (UINT i = 0; i < lpcida->cidl; i++)
{
//Find out which file we're copying
STRRET strFile;
hr = psfFrom->GetDisplayNameOf(apidl[i], SHGDN_FORPARSING, &strFile);
if (FAILED(hr))
{
ERR("Error source obtaining path");
break;
}
hr = StrRetToBufW(&strFile, apidl[i], wszPath, _countof(wszPath));
if (FAILED(hr))
{
ERR("Error putting source path into buffer");
break;
}
TRACE("source path = %s", debugstr_w(wszPath));
// Creating a buffer to hold the combined path
WCHAR buffer_1[MAX_PATH] = L"";
WCHAR *lpStr1;
lpStr1 = buffer_1;
LPWSTR pwszFileName = PathFindFileNameW(wszPath);
LPWSTR pwszExt = PathFindExtensionW(wszPath);
LPWSTR placementPath = PathCombineW(lpStr1, sPathTarget, pwszFileName);
CComPtr<IPersistFile> ppf;
//Check to see if it's already a link.
if (!wcsicmp(pwszExt, L".lnk"))
{
//It's a link so, we create a new one which copies the old.
if(!GetUniqueFileName(placementPath, pwszExt, wszTarget, TRUE))
{
ERR("Error getting unique file name");
hr = E_FAIL;
break;
}
hr = IShellLink_ConstructFromPath(wszPath, IID_PPV_ARG(IPersistFile, &ppf));
if (FAILED(hr)) {
ERR("Error constructing link from file");
break;
}
hr = ppf->Save(wszTarget, FALSE);
if (FAILED(hr))
break;
SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, wszTarget, NULL);
}
else
{
//It's not a link, so build a new link using the creator class and fill it in.
//Create a file name for the link
if (!GetUniqueFileName(placementPath, L".lnk", wszTarget, TRUE))
{
ERR("Error creating unique file name");
hr = E_FAIL;
break;
}
CComPtr<IShellLinkW> pLink;
hr = CShellLink::_CreatorClass::CreateInstance(NULL, IID_PPV_ARG(IShellLinkW, &pLink));
if (FAILED(hr)) {
ERR("Error instantiating IShellLinkW");
break;
}
WCHAR szDirPath[MAX_PATH], *pwszFile;
GetFullPathName(wszPath, MAX_PATH, szDirPath, &pwszFile);
if (pwszFile) pwszFile[0] = 0;
hr = pLink->SetPath(wszPath);
if(FAILED(hr))
break;
hr = pLink->SetWorkingDirectory(szDirPath);
if(FAILED(hr))
break;
hr = pLink->QueryInterface(IID_PPV_ARG(IPersistFile, &ppf));
if(FAILED(hr))
break;
hr = ppf->Save(wszTarget, TRUE);
if (FAILED(hr))
break;
SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, wszTarget, NULL);
}
}
}
else
{
hr = this->CopyItems(psfFrom, lpcida->cidl, (LPCITEMIDLIST*)apidl, bCopy);
}
SHFree(pidl);
_ILFreeaPidl(apidl, lpcida->cidl);
ReleaseStgMedium(&medium);
}
else if (SUCCEEDED(pDataObject->QueryGetData(&fmt2)))
{
FORMATETC fmt2;
InitFormatEtc (fmt2, CF_HDROP, TYMED_HGLOBAL);
if (SUCCEEDED(pDataObject->GetData(&fmt2, &medium)) /* && SUCCEEDED(pDataObject->GetData(&fmt2, &medium))*/)
{
WCHAR wszTargetPath[MAX_PATH + 1];
LPWSTR pszSrcList;
wcscpy(wszTargetPath, sPathTarget);
//Double NULL terminate.
wszTargetPath[wcslen(wszTargetPath) + 1] = '\0';
LPDROPFILES lpdf = (LPDROPFILES) GlobalLock(medium.hGlobal);
if (!lpdf)
{
ERR("Error locking global\n");
return E_FAIL;
}
pszSrcList = (LPWSTR) (((byte*) lpdf) + lpdf->pFiles);
TRACE("Source file (just the first) = %s\n", debugstr_w(pszSrcList));
TRACE("Target path = %s\n", debugstr_w(wszTargetPath));
SHFILEOPSTRUCTW op;
ZeroMemory(&op, sizeof(op));
op.pFrom = pszSrcList;
op.pTo = wszTargetPath;
op.hwnd = GetActiveWindow();
op.wFunc = bCopy ? FO_COPY : FO_MOVE;
op.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMMKDIR;
hr = SHFileOperationW(&op);
return hr;
}
ERR("Error calling GetData\n");
hr = E_FAIL;
}
else
{
ERR("No viable drop format.\n");
hr = E_FAIL;
}
return hr;
}
DWORD WINAPI CFSDropTarget::_DoDropThreadProc(LPVOID lpParameter)
{
CoInitialize(NULL);
_DoDropData *data = static_cast<_DoDropData*>(lpParameter);
CComPtr<IDataObject> pDataObject;
HRESULT hr = CoGetInterfaceAndReleaseStream (data->pStream, IID_PPV_ARG(IDataObject, &pDataObject));
if (SUCCEEDED(hr))
{
CComPtr<IAsyncOperation> pAsyncOperation;
hr = data->This->_DoDrop(pDataObject, data->dwKeyState, data->pt, &data->pdwEffect);
if (SUCCEEDED(pDataObject->QueryInterface(IID_PPV_ARG(IAsyncOperation, &pAsyncOperation))))
{
pAsyncOperation->EndOperation(hr, NULL, data->pdwEffect);
}
}
//Release the CFSFolder and data object holds in the copying thread.
data->This->Release();
//Release the parameter from the heap.
HeapFree(GetProcessHeap(), 0, data);
CoUninitialize();
return 0;
}
HRESULT WINAPI CFSFolder::_GetDropTarget(LPCITEMIDLIST pidl, LPVOID *ppvOut) {
HKEY hKey;
HRESULT hr;

46
reactos/dll/win32/shell32/folders/CFSFolder.h
View file

@ -23,8 +23,6 @@
#ifndef _CFSFOLDER_H_
#define _CFSFOLDER_H_
WCHAR *BuildPathsList(LPCWSTR wszBasePath, int cidl, LPCITEMIDLIST *pidls);
class CFSFolder :
public CComCoClass<CFSFolder, &CLSID_ShellFSFolder>,
public CComObjectRootEx<CComMultiThreadModelNoCS>,
@ -97,48 +95,4 @@ class CFSFolder :
END_COM_MAP()
};
class CFSDropTarget :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IDropTarget
{
private:
UINT cfShellIDList; /* clipboardformat for IDropTarget */
BOOL fAcceptFmt; /* flag for pending Drop */
LPWSTR sPathTarget;
BOOL QueryDrop (DWORD dwKeyState, LPDWORD pdwEffect);
virtual HRESULT WINAPI _DoDrop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI CopyItems(IShellFolder *pSFFrom, UINT cidl, LPCITEMIDLIST *apidl, BOOL bCopy);
BOOL GetUniqueFileName(LPWSTR pwszBasePath, LPCWSTR pwszExt, LPWSTR pwszTarget, BOOL bShortcut);
static DWORD WINAPI _DoDropThreadProc(LPVOID lpParameter);
public:
CFSDropTarget();
~CFSDropTarget();
HRESULT WINAPI Initialize(LPWSTR PathTarget);
// IDropTarget
virtual HRESULT WINAPI DragEnter(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
virtual HRESULT WINAPI DragLeave();
virtual HRESULT WINAPI Drop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
DECLARE_NOT_AGGREGATABLE(CFSDropTarget)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CFSDropTarget)
COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
END_COM_MAP()
};
struct _DoDropData {
CFSDropTarget *This;
IStream *pStream;
DWORD dwKeyState;
POINTL pt;
DWORD pdwEffect;
};
#endif /* _CFSFOLDER_H_ */

1
reactos/dll/win32/shell32/precomp.h
View file

@ -68,6 +68,7 @@
#include "folders/CAdminToolsFolder.h"
#include "folders/CRecycleBin.h"
#include "droptargets/CexeDropHandler.h"
#include "droptargets/CFSDropTarget.h"
#include "COpenWithMenu.h"
#include "CNewMenu.h"
#include "dialogs/filedefext.h"