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#include "recycler.h"
#include "dllLoader.h"
#include <wx/intl.h>
#include <wx/msw/wrapwin.h> //includes "windows.h"
#include "buildInfo.h"
#include "staticAssert.h"
#include <algorithm>
#include <functional>
//#include "../shared/longPathPrefix.h"
const std::wstring& getRecyclerDllName()
{
static const std::wstring filename(
Utility::is64BitBuild ?
L"Recycler_x64.dll":
L"Recycler_Win32.dll");
assert_static(Utility::is32BitBuild || Utility::is64BitBuild);
return filename;
}
bool vistaOrLater()
{
OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
//IFileOperation is supported with Vista and later
if (GetVersionEx(&osvi))
return osvi.dwMajorVersion > 5;
//XP has majorVersion == 5, minorVersion == 1
//Vista has majorVersion == 6, minorVersion == 0
//version overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx
return false;
}
/*
Performance test: delete 1000 files
------------------------------------
SHFileOperation - single file 33s
SHFileOperation - multiple files 2,1s
IFileOperation - single file 33s
IFileOperation - multiple files 2,1s
=> SHFileOperation and IFileOperation have nearly IDENTICAL performance characteristics!
Nevertheless, let's use IFileOperation for better error reporting!
*/
void FreeFileSync::moveToWindowsRecycler(const Zstring& fileToDelete) //throw (FileError)
{
std::vector<Zstring> fileNames;
fileNames.push_back(fileToDelete);
moveToWindowsRecycler(fileNames); //throw (FileError)
}
void FreeFileSync::moveToWindowsRecycler(const std::vector<Zstring>& filesToDelete) //throw (FileError)
{
if (filesToDelete.empty())
return;
static const bool useIFileOperation = vistaOrLater();
if (useIFileOperation) //new recycle bin usage: available since Vista
{
typedef bool (*MoveToRecycleBinFunc)(
const wchar_t* fileNames[],
size_t fileNo, //size of fileNames array
wchar_t* errorMessage,
size_t errorBufferLen);
static const MoveToRecycleBinFunc moveToRecycler =
Utility::loadDllFunction<MoveToRecycleBinFunc>(getRecyclerDllName().c_str(), "moveToRecycleBin");
if (moveToRecycler == NULL)
throw FileError(wxString(_("Could not load a required DLL:")) + wxT(" \"") + getRecyclerDllName().c_str() + wxT("\""));
//#warning moving long file paths to recycler does not work! clarify!
// std::vector<Zstring> temp;
// std::transform(filesToDelete.begin(), filesToDelete.end(),
// std::back_inserter(temp), std::ptr_fun(FreeFileSync::removeLongPathPrefix)); //::IFileOperation() can't handle \\?\-prefix!
std::vector<const wchar_t*> fileNames;
std::transform(filesToDelete.begin(), filesToDelete.end(),
std::back_inserter(fileNames), std::mem_fun_ref(&Zstring::c_str));
wchar_t errorMessage[2000];
if (!(*moveToRecycler)(&fileNames[0], //array must not be empty
fileNames.size(),
errorMessage,
2000))
{
throw FileError(wxString(_("Error moving to Recycle Bin:")) + wxT("\n\"") + fileNames[0] + wxT("\"") + //report first file only... better than nothing
+ wxT("\n\n") +
wxT("(") + errorMessage + wxT(")"));
}
}
else //regular recycle bin usage: available since XP
{
Zstring filenameDoubleNull;
for (std::vector<Zstring>::const_iterator i = filesToDelete.begin(); i != filesToDelete.end(); ++i)
{
//#warning moving long file paths to recycler does not work! clarify!
//filenameDoubleNull += removeLongPathPrefix(*i); //::SHFileOperation() can't handle \\?\-prefix!
filenameDoubleNull += *i; //::SHFileOperation() can't handle \\?\-prefix!
filenameDoubleNull += DefaultChar(0);
}
SHFILEOPSTRUCT fileOp;
fileOp.hwnd = NULL;
fileOp.wFunc = FO_DELETE;
fileOp.pFrom = filenameDoubleNull.c_str();
fileOp.pTo = NULL;
fileOp.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_SILENT | FOF_NOERRORUI;
fileOp.fAnyOperationsAborted = false;
fileOp.hNameMappings = NULL;
fileOp.lpszProgressTitle = NULL;
if (SHFileOperation(&fileOp) != 0 || fileOp.fAnyOperationsAborted)
{
throw FileError(wxString(_("Error moving to Recycle Bin:")) + wxT("\n\"") + filenameDoubleNull.c_str() + wxT("\"")); //report first file only... better than nothing
}
}
}
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