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116 lines
3.1 KiB
116 lines
3.1 KiB
#include "precomp.hxx"
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#pragma hdrstop
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#include "util.h"
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#include "dll.h"
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#include "resource.h"
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class CMyDocsCopyHook : public ICopyHook
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{
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public:
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CMyDocsCopyHook();
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID riid, void **ppv);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// ICopyHook
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STDMETHOD_(UINT,CopyCallback)(HWND hwnd, UINT wFunc, UINT wFlags,
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LPCTSTR pszSrcFile, DWORD dwSrcAttribs,
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LPCTSTR pszDestFile, DWORD dwDestAttribs);
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private:
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~CMyDocsCopyHook();
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LONG _cRef;
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};
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STDMETHODIMP CMyDocsCopyHook::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] = {
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QITABENT(CMyDocsCopyHook, ICopyHook), // IID_ICopyHook
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{ 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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STDMETHODIMP_ (ULONG) CMyDocsCopyHook::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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STDMETHODIMP_ (ULONG) CMyDocsCopyHook::Release()
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{
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if (InterlockedDecrement(&_cRef))
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return _cRef;
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delete this;
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return 0;
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}
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CMyDocsCopyHook::CMyDocsCopyHook() : _cRef(1)
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{
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DllAddRef();
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}
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CMyDocsCopyHook::~CMyDocsCopyHook()
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{
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DllRelease();
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}
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// ICopyHook methods
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UINT CMyDocsCopyHook::CopyCallback(HWND hwnd, UINT wFunc, UINT wFlags,
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LPCTSTR pszSrcFile, DWORD dwSrcAttribs,
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LPCTSTR pszDestFile, DWORD dwDestAttribs)
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{
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UINT uRes = IDYES;
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if ((wFunc == FO_COPY) || (wFunc == FO_MOVE))
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{
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TCHAR szPersonal[MAX_PATH];
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if (S_OK == SHGetFolderPath(NULL, CSIDL_PERSONAL | CSIDL_FLAG_DONT_VERIFY, NULL, SHGFP_TYPE_CURRENT, szPersonal) &&
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lstrcmpi(pszSrcFile, szPersonal) == 0)
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{
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// the source is the personal directory, now check if the
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// destination is on the desktop...
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DWORD dwRes = IsPathGoodMyDocsPath(hwnd, pszDestFile);
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if (dwRes == PATH_IS_NONEXISTENT)
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{
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lstrcpyn(szPersonal, pszDestFile, ARRAYSIZE(szPersonal));
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if (PathRemoveFileSpec(szPersonal))
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{
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dwRes = IsPathGoodMyDocsPath(hwnd, szPersonal);
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}
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}
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if (dwRes == PATH_IS_DESKTOP)
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{
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// keep the user from moving the personal folder to the desktop
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TCHAR szVerb[ 32 ];
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LoadString(g_hInstance, (wFunc == FO_COPY) ? IDS_COPY : IDS_MOVE, szVerb, ARRAYSIZE(szVerb));
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uRes = IDNO;
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GetFolderDisplayName(CSIDL_PERSONAL, szPersonal, ARRAYSIZE(szPersonal));
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ShellMessageBox(g_hInstance, hwnd,
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(LPTSTR)IDS_NODRAG_DESKTOP_NOT_HIDDEN, szPersonal,
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MB_OK | MB_ICONSTOP, szPersonal, szVerb);
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}
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}
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}
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return uRes;
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}
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HRESULT CMyDocsCopyHook_CreateInstance(IUnknown *punkOuter, IUnknown **ppunk, LPCOBJECTINFO poi)
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{
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CMyDocsCopyHook * pMDCH = new CMyDocsCopyHook();
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if (pMDCH)
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{
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*ppunk = SAFECAST(pMDCH, ICopyHook*);
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return S_OK;
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}
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*ppunk = NULL;
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return E_OUTOFMEMORY;
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}
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