165 lines
3.6 KiB
C++
165 lines
3.6 KiB
C++
#include "shellprv.h"
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#include "ftascstr.h"
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#include "ftassoc.h" //for now, until use CoCreateInstance
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#include "ftenum.h" //for now, until use CoCreateInstance
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HRESULT CFTAssocStore::_hresAccess = -1;
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HRESULT CFTAssocStore::EnumAssocInfo(ASENUM asenumFlags, LPTSTR pszStr, AIINIT aiinitFlags, IEnumAssocInfo** ppEnum)
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{
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//for now
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*ppEnum = new CFTEnumAssocInfo();
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if (*ppEnum)
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{
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(*ppEnum)->Init(asenumFlags, pszStr, aiinitFlags);
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}
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return (*ppEnum) ? S_OK : E_OUTOFMEMORY;
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}
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HRESULT CFTAssocStore::GetAssocInfo(LPTSTR pszStr, AIINIT aiinitFlags, IAssocInfo** ppAI)
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{
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HRESULT hres = E_FAIL;
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*ppAI = new CFTAssocInfo();
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if (*ppAI)
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hres = (*ppAI)->Init(aiinitFlags, pszStr);
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else
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hres = E_OUTOFMEMORY;
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return hres;
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}
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HRESULT CFTAssocStore::GetComplexAssocInfo(LPTSTR pszStr1, AIINIT aiinitFlags1, LPTSTR pszStr2, AIINIT aiinitFlags2, IAssocInfo** ppAI)
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{
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HRESULT hres = E_FAIL;
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*ppAI = new CFTAssocInfo();
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if (*ppAI)
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hres = (*ppAI)->InitComplex(aiinitFlags1, pszStr1, aiinitFlags2, pszStr2);
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else
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hres = E_OUTOFMEMORY;
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return hres;
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}
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HRESULT CFTAssocStore::CheckAccess()
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{
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#if 0
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// Should be something like this but it does not work
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if (-1 == _hresAccess)
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{
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HKEY hkey;
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_hresAccess = S_FALSE;
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, NULL, 0, KEY_CREATE_SUB_KEY | KEY_READ | KEY_SET_VALUE | KEY_QUERY_VALUE, &hkey))
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{
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_hresAccess = S_OK;
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RegCloseKey(hkey);
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}
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}
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#endif
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if (-1 == _hresAccess)
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{
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TCHAR szGUID [] = TEXT("{A4BFEC7C-F821-11d2-86BE-0000F8757D7E}");
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DWORD dwDisp = 0;
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int cTry = 0;
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HKEY hkey;
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_hresAccess = S_FALSE;
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// we want to try this only two times
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while ((S_FALSE == _hresAccess) && (cTry <= 1))
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{
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++cTry;
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// we try to write a GUID to HKCR and delete it
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if (ERROR_SUCCESS == RegCreateKeyEx(HKEY_CLASSES_ROOT, szGUID, 0, NULL, REG_OPTION_NON_VOLATILE, MAXIMUM_ALLOWED, NULL, &hkey, &dwDisp))
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{
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// Did we really created a new key?
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if (REG_CREATED_NEW_KEY == dwDisp)
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{
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// yes
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RegCloseKey(hkey);
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if (ERROR_SUCCESS == RegDeleteKey(HKEY_CLASSES_ROOT, szGUID))
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{
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_hresAccess = S_OK;
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}
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}
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else
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{
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// No, there was already one, maybe we crashed right in the middle of this fct
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// some other time in the past
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// delete the key and try again
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RegDeleteKey(HKEY_CLASSES_ROOT, szGUID);
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}
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}
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}
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}
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return _hresAccess;
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}
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CFTAssocStore::CFTAssocStore()
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{
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_hresCoInit = SHCoInitialize();
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//DLLAddRef();
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}
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CFTAssocStore::~CFTAssocStore()
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{
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//DLLRelease();
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SHCoUninitialize(_hresCoInit);
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}
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//IUnknown methods
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HRESULT CFTAssocStore::QueryInterface(REFIID riid, PVOID* ppv)
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{
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#if 0
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static const QITAB qit [] = {
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QITABENT(CFTAssocStore, IAssocStore),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppvObj);
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#endif
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = static_cast<IUnknown*>(this);
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else
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*ppv = static_cast<IAssocStore*>(this);
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return S_OK;
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}
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ULONG CFTAssocStore::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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ULONG CFTAssocStore::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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