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967 lines
29 KiB
967 lines
29 KiB
#include "shellprv.h"
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#include <dpa.h>
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#include <enumt.h>
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typedef HRESULT (*PFNELEMCREATE)(const CLSID *pclsid, PCWSTR pszClass, IAssociationElement **ppae);
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typedef struct _AEINFO
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{
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ASSOCELEM_MASK mask;
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const CLSID *pclsid;
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PCWSTR pszClass; // NULL indicates to use the _pszClass
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PFNELEMCREATE pfnCreate;
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IAssociationElement *pae;
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} AEINFO;
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typedef enum
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{
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GETELEM_RETRY = -2,
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GETELEM_DONE = -1,
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GETELEM_TRYNEXT = 0,
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GETELEM_SUCCEEDED = 1,
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}GETELEMRESULT;
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#define TRYNEXT(gr) ((gr) >= GETELEM_TRYNEXT)
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HRESULT _QueryString(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, PWSTR *ppsz, const IID *piid)
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{
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return pae->QueryString(query, pszCue, ppsz);
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}
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HRESULT _QueryDirect(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, FLAGGED_BYTE_BLOB **ppblob, const IID *piid)
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{
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return pae->QueryDirect(query, pszCue, ppblob);
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}
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HRESULT _QueryDword(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, DWORD *pdw, const IID *piid)
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{
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return pae->QueryDword(query, pszCue, pdw);
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}
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HRESULT _QueryExists(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, void *pv, const IID *piid)
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{
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return pae->QueryExists(query, pszCue);
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}
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HRESULT _QueryObject(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, void **ppv, const IID *piid)
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{
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return pae->QueryObject(query, pszCue, *piid, ppv);
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}
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class CAssocArray : public IAssociationArray,
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public IAssociationArrayInitialize,
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public IQueryAssociations
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{
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public:
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CAssocArray() : _cRef(1), _hrInit(-1), _maskInclude(-1) {}
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~CAssocArray() { _Reset(); }
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// IUnknown methods
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STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj);
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STDMETHODIMP_(ULONG) AddRef()
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{
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return ++_cRef;
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}
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STDMETHODIMP_(ULONG) Release()
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{
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if (--_cRef > 0)
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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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// IAssociationArrayInitialize
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STDMETHODIMP InitClassElements(
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ASSOCELEM_MASK maskBase,
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PCWSTR pszClass);
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STDMETHODIMP InsertElements(
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ASSOCELEM_MASK mask,
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IEnumAssociationElements *peae);
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STDMETHODIMP FilterElements(ASSOCELEM_MASK maskInclude)
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{ _maskInclude = maskInclude; return S_OK; }
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// IAssociationArray
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STDMETHODIMP EnumElements(
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ASSOCELEM_MASK mask,
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IEnumAssociationElements **ppeae);
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STDMETHODIMP QueryString(
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ASSOCELEM_MASK mask,
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ASSOCQUERY query,
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PCWSTR pszCue,
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PWSTR *ppsz)
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{
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return _QueryElementAny(_QueryString, mask, query, pszCue, ppsz, NULL);
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}
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STDMETHODIMP QueryDword(
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ASSOCELEM_MASK mask,
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ASSOCQUERY query,
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PCWSTR pszCue,
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DWORD *pdw)
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{
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return _QueryElementAny(_QueryDword, mask, query, pszCue, pdw, NULL);
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}
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STDMETHODIMP QueryDirect(
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ASSOCELEM_MASK mask,
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ASSOCQUERY query,
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PCWSTR pszCue,
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FLAGGED_BYTE_BLOB **ppblob)
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{
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return _QueryElementAny(_QueryDirect, mask, query, pszCue, ppblob, NULL);
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}
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STDMETHODIMP QueryExists(
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ASSOCELEM_MASK mask,
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ASSOCQUERY query,
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PCWSTR pszCue)
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{
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return _QueryElementAny(_QueryExists, mask, query, pszCue, (void*)NULL, NULL);
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}
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STDMETHODIMP QueryObject(
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ASSOCELEM_MASK mask,
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ASSOCQUERY query,
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PCWSTR pszCue,
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REFIID riid,
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void **ppv)
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{
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return _QueryElementAny(_QueryObject, mask, query, pszCue, ppv, &riid);
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}
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// IQueryAssociations methods
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STDMETHODIMP Init(ASSOCF flags, LPCTSTR pszAssoc, HKEY hkProgid, HWND hwnd);
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STDMETHODIMP GetString(ASSOCF flags, ASSOCSTR str, LPCWSTR pszExtra, LPWSTR pszOut, DWORD *pcchOut);
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STDMETHODIMP GetKey(ASSOCF flags, ASSOCKEY, LPCWSTR pszExtra, HKEY *phkeyOut);
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STDMETHODIMP GetData(ASSOCF flags, ASSOCDATA data, LPCWSTR pszExtra, LPVOID pvOut, DWORD *pcbOut);
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STDMETHODIMP GetEnum(ASSOCF flags, ASSOCENUM assocenum, LPCWSTR pszExtra, REFIID riid, LPVOID *ppvOut)
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{ return E_NOTIMPL; }
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GETELEMRESULT GetElement(int i, ASSOCELEM_MASK mask, IAssociationElement **ppae);
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protected: // methods
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void _Reset();
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HRESULT _InsertSingleElement(IAssociationElement *pae);
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HRESULT _GetCachedVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement **ppaeVerb, IAssociationElement **ppaeElem);
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void _SetCachedVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement *paeVerb, IAssociationElement *paeVerbParent);
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GETELEMRESULT _GetElement(int i, ASSOCELEM_MASK mask, IAssociationElement **ppae);
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BOOL _FirstElement(ASSOCELEM_MASK mask, IAssociationElement **ppae);
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HRESULT _GetVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement **ppaeVerb, IAssociationElement **ppaeElem);
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void _InitDelayedElements(int i, ASSOCELEM_MASK mask);
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template<class T> HRESULT _QueryElementAny(HRESULT (CALLBACK *pfnAny)(IAssociationElement *pae, ASSOCQUERY query, PCWSTR pszCue, T pData, const IID *piid), ASSOCELEM_MASK mask, ASSOCQUERY query, PCWSTR pszCue, T pData, const IID *piid)
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{
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mask &= _maskInclude;
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IAssociationElement *pae;
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HRESULT hr = E_FAIL;
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if ((AQF_CUEIS_SHELLVERB & query) && _CacheVerb(query))
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{
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// delegate to the verb object if the cue is a verb
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// except for AQVS_APPLICATION_FRIENDLYNAME which
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// has some funky delegation issues.
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IAssociationElement *paeParent;
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hr = _GetVerbElement(mask, pszCue, &pae, &paeParent);
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if (SUCCEEDED(hr))
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{
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if (query == AQVS_APPLICATION_FRIENDLYNAME)
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hr = pfnAny(paeParent, query, pszCue, pData, piid);
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else
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hr = pfnAny(pae, query, NULL, pData, piid);
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pae->Release();
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paeParent->Release();
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}
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}
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else
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{
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for (int i = 0; FAILED(hr) && TRYNEXT(GetElement(i, mask, &pae)); i++)
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{
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if (pae)
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{
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hr = pfnAny(pae, query, pszCue, pData, piid);
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pae->Release();
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if (SUCCEEDED(hr))
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break;
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}
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}
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}
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return hr;
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}
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BOOL _CacheVerb(ASSOCQUERY query)
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{
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// if we are init'd with an app element and
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// querying for app specific values dont request the verb element
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return !_fUsingAppElement || (query != AQVS_APPLICATION_PATH && query != AQVS_APPLICATION_FRIENDLYNAME && query != AQVO_APPLICATION_DELEGATE);
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}
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private: // members
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LONG _cRef;
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HRESULT _hrInit;
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PWSTR _pszClass;
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ASSOCELEM_MASK _maskInclude;
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BOOL _fUsingAppElement;
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CDSA<AEINFO> _dsaElems;
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IEnumAssociationElements *_penumData;
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ASSOCELEM_MASK _maskData;
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IEnumAssociationElements *_penumExtra;
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ASSOCELEM_MASK _maskExtra;
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IAssociationElement *_paeVerb;
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PWSTR _pszVerb;
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ASSOCELEM_MASK _maskVerb;
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IAssociationElement *_paeVerbParent;
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};
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int CALLBACK _AeinfoDelete(AEINFO *paei, void *pv)
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{
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if (paei->pae)
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paei->pae->Release();
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return 1;
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}
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void CAssocArray::_Reset()
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{
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if (_hrInit != -1)
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{
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if (_dsaElems)
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_dsaElems.DestroyCallbackEx(_AeinfoDelete, (void*)NULL);
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if (_pszClass)
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{
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CoTaskMemFree(_pszClass);
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_pszClass = NULL;
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}
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ATOMICRELEASE(_penumData);
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ATOMICRELEASE(_penumExtra);
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ATOMICRELEASE(_paeVerb);
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if (_pszVerb)
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{
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LocalFree(_pszVerb);
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_pszVerb;
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}
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ATOMICRELEASE(_paeVerbParent);
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_fUsingAppElement = FALSE;
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_hrInit = -1;
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}
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}
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HRESULT CAssocArray::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] =
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{
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QITABENT(CAssocArray, IAssociationArray),
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QITABENT(CAssocArray, IQueryAssociations),
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QITABENT(CAssocArray, IAssociationArrayInitialize),
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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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#define AEINFOPROGID(m, s) { m, &CLSID_AssocProgidElement, s, AssocElemCreateForClass, NULL}
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#define MAKEAEINFO(m, c, s, p) { m, c, s, p, NULL}
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HRESULT AssocElemCreateForUser(const CLSID *pclsid, PCWSTR pszClass, IAssociationElement **ppae)
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{
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WCHAR sz[64];
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DWORD cb = sizeof(sz);
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HRESULT hr = SKGetValue(SHELLKEY_HKCU_FILEEXTS, pszClass, L"Progid", NULL, sz, &cb);
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if(SUCCEEDED(hr))
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{
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hr = AssocElemCreateForClass(&CLSID_AssocProgidElement, sz, ppae);
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}
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if (FAILED(hr))
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{
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cb = sizeof(sz);
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hr = SKGetValue(SHELLKEY_HKCU_FILEEXTS, pszClass, L"Application", NULL, sz, &cb);
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if (SUCCEEDED(hr))
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{
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hr = AssocElemCreateForClass(&CLSID_AssocApplicationElement, sz, ppae);
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}
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}
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return hr;
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}
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static const AEINFO s_rgaeinfoProgid[] =
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{
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AEINFOPROGID(ASSOCELEM_DEFAULT, NULL),
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};
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static const AEINFO s_rgaeinfoExtension[] =
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{
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MAKEAEINFO(ASSOCELEM_USER, NULL, NULL, AssocElemCreateForUser), // app or progid
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AEINFOPROGID(ASSOCELEM_DEFAULT, NULL),
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MAKEAEINFO(ASSOCELEM_SYSTEM_EXT, &CLSID_AssocSystemElement, NULL, AssocElemCreateForClass),
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MAKEAEINFO(ASSOCELEM_SYSTEM_PERCEIVED, &CLSID_AssocPerceivedElement, NULL, AssocElemCreateForClass),
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};
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static const AEINFO s_rgaeinfoClsid[] =
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{
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// MAKEAEINFO(UserClsid), // clsid
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MAKEAEINFO(ASSOCELEM_DEFAULT, &CLSID_AssocClsidElement, NULL, AssocElemCreateForClass),
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// AEINFOPROGID(ASSOCELEM_PROGID, NULL), // progid
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};
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static const AEINFO s_aeinfoFolder = MAKEAEINFO(ASSOCELEM_BASEIS_FOLDER, &CLSID_AssocFolderElement, NULL, AssocElemCreateForClass);
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static const AEINFO s_aeinfoStar = MAKEAEINFO(ASSOCELEM_BASEIS_STAR, &CLSID_AssocStarElement, NULL, AssocElemCreateForClass);
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BOOL CAssocArray::_FirstElement(ASSOCELEM_MASK mask, IAssociationElement **ppae)
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{
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GETELEMRESULT res = GETELEM_TRYNEXT;
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int cTrys = 0;
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while (res == GETELEM_TRYNEXT)
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{
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// if it fails or succeeds we are done
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// but if it calls TRYNEXT we loop
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res = GetElement(cTrys++, mask, ppae);
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}
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return res == GETELEM_SUCCEEDED;
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}
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HRESULT CAssocArray::InitClassElements(ASSOCELEM_MASK maskBase, PCWSTR pszClass)
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{
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_Reset();
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// depending on what we think this is,
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// we do things a little differently
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ASSERT(*pszClass);
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HRESULT hr = SHStrDup(pszClass, &_pszClass);
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if (SUCCEEDED(hr))
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{
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// 6 is the most that we will need
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// in InitClassElements()
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hr = _dsaElems.Create(6) ? S_OK : E_OUTOFMEMORY;
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if (SUCCEEDED(hr))
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{
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const AEINFO *rgAeinfo;
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DWORD cAeinfo;
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if (*_pszClass == L'.')
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{
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rgAeinfo = s_rgaeinfoExtension;
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cAeinfo = ARRAYSIZE(s_rgaeinfoExtension);
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}
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else if (*_pszClass == L'{')
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{
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rgAeinfo = s_rgaeinfoClsid;
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cAeinfo = ARRAYSIZE(s_rgaeinfoClsid);
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}
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else
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{
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rgAeinfo = s_rgaeinfoProgid;
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cAeinfo = ARRAYSIZE(s_rgaeinfoProgid);
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}
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for (DWORD i = 0; i < cAeinfo; i++)
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{
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_dsaElems.AppendItem((AEINFO *)&rgAeinfo[i]);
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}
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if (ASSOCELEM_BASEIS_FOLDER & maskBase)
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_dsaElems.AppendItem((AEINFO *)&s_aeinfoFolder);
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if (ASSOCELEM_BASEIS_STAR & maskBase)
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_dsaElems.AppendItem((AEINFO *)&s_aeinfoStar);
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// we return S_FALSE if there is no default or user
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// association. we treat this as an unknown type
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IAssociationElement *pae;
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if (_FirstElement(ASSOCELEM_USER | ASSOCELEM_DEFAULT, &pae))
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{
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pae->Release();
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hr = S_OK;
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}
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else
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hr = S_FALSE;
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}
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}
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_hrInit = hr;
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return hr;
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}
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HRESULT CAssocArray::InsertElements(ASSOCELEM_MASK mask, IEnumAssociationElements *peae)
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{
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HRESULT hr = E_UNEXPECTED;
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if (!_penumData && (mask & ASSOCELEM_DATA))
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{
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_penumData = peae;
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peae->AddRef();
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_maskData = mask;
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hr = S_OK;
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}
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if (!_penumExtra && (mask & ASSOCELEM_EXTRA))
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{
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_penumExtra = peae;
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peae->AddRef();
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_maskExtra = mask;
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hr = S_OK;
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}
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return hr;
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}
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class CEnumAssocElems : public CEnumAssociationElements
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{
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public:
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CEnumAssocElems(CAssocArray *paa, ASSOCELEM_MASK mask) : _mask(mask), _paa(paa)
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{ _paa->AddRef(); }
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~CEnumAssocElems() { _paa->Release(); }
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protected: // methods
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virtual BOOL _Next(IAssociationElement **ppae);
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protected:
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ASSOCELEM_MASK _mask;
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CAssocArray *_paa;
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};
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HRESULT CAssocArray::EnumElements(ASSOCELEM_MASK mask, IEnumAssociationElements **ppeae)
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{
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mask &= _maskInclude;
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*ppeae = new CEnumAssocElems(this, mask);
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return *ppeae ? S_OK : E_OUTOFMEMORY;
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}
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void CAssocArray::_InitDelayedElements(int i, ASSOCELEM_MASK mask)
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{
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ULONG c;
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IAssociationElement *pae;
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if (i == 0 && _penumData && ((mask & _maskData) == _maskData))
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{
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// init the DSA with the data
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int iInsert = 0;
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while (S_OK == _penumData->Next(1, &pae, &c))
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{
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AEINFO ae = {ASSOCELEM_DATA, NULL, NULL, NULL, pae};
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if (DSA_ERR != _dsaElems.InsertItem(iInsert++, &ae))
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{
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pae->AddRef();
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}
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pae->Release();
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}
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ATOMICRELEASE(_penumData);
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}
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if (_penumExtra && (mask & ASSOCELEM_EXTRA) && i == _dsaElems.GetItemCount())
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{
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// init the DSA with the data
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while (S_OK == _penumExtra->Next(1, &pae, &c))
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{
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AEINFO ae = {ASSOCELEM_EXTRA, NULL, NULL, NULL, pae};
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if (DSA_ERR != _dsaElems.AppendItem(&ae))
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{
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pae->AddRef();
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}
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pae->Release();
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}
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ATOMICRELEASE(_penumExtra);
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}
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}
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GETELEMRESULT CAssocArray::_GetElement(int i, ASSOCELEM_MASK mask, IAssociationElement **ppae)
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{
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GETELEMRESULT res = GETELEM_DONE;
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AEINFO *paei = _dsaElems.GetItemPtr(i);
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if (paei)
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{
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// if this is one that we want to use
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// please do
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if (paei->mask & mask)
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{
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if (!paei->pae)
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{
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// try to create only once
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PCWSTR pszClass = paei->pszClass ? paei->pszClass : _pszClass;
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// make sure we dont query again
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// if we dont need to
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HRESULT hr = paei->pfnCreate(paei->pclsid, pszClass, &paei->pae);
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if (FAILED(hr))
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{
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|
_dsaElems.DeleteItem(i);
|
|
// retry the current index
|
|
res = GETELEM_RETRY;
|
|
}
|
|
else if (hr == S_FALSE)
|
|
{
|
|
// this is returned when the element
|
|
// is valid but points to an alternate location
|
|
// specifically the HKCR\Progid falls back to HKCR\.ext
|
|
// which is kind of weird. maybe we should move this
|
|
// to ASSOCELEM_EXTRA???
|
|
}
|
|
|
|
}
|
|
|
|
if (paei->pae)
|
|
{
|
|
*ppae = paei->pae;
|
|
paei->pae->AddRef();
|
|
res = GETELEM_SUCCEEDED;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
res = GETELEM_TRYNEXT;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
GETELEMRESULT CAssocArray::GetElement(int i, ASSOCELEM_MASK mask, IAssociationElement **ppae)
|
|
{
|
|
GETELEMRESULT res = GETELEM_RETRY;
|
|
*ppae = 0;
|
|
if (_dsaElems)
|
|
{
|
|
_InitDelayedElements(i, mask);
|
|
while (GETELEM_RETRY == res && i < _dsaElems.GetItemCount())
|
|
{
|
|
res = _GetElement(i, mask, ppae);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
BOOL CEnumAssocElems::_Next(IAssociationElement **ppae)
|
|
{
|
|
GETELEMRESULT res = GETELEM_TRYNEXT;
|
|
UINT cTrys = 0;
|
|
while (res == GETELEM_TRYNEXT)
|
|
{
|
|
// if it fails or succeeds we are done
|
|
// but if it calls TRYNEXT we loop
|
|
res = _paa->GetElement(_cNext + cTrys++, _mask, ppae);
|
|
}
|
|
// fix up _cNext when we skip
|
|
_cNext += cTrys - 1;
|
|
return res == GETELEM_SUCCEEDED;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
ASSOCQUERY query;
|
|
PCWSTR pszCue;
|
|
} AQXLATE;
|
|
|
|
#define MAKEAQX(a, q, s) { q, s }
|
|
|
|
static const AQXLATE s_rgaqxStrings[] =
|
|
{
|
|
MAKEAQX(ASSOCSTR_COMMAND, AQVS_COMMAND, NULL),
|
|
MAKEAQX(ASSOCSTR_EXECUTABLE, AQVS_APPLICATION_PATH, NULL),
|
|
MAKEAQX(ASSOCSTR_FRIENDLYDOCNAME, AQS_FRIENDLYTYPENAME, NULL), // friendly name of the document type
|
|
MAKEAQX(ASSOCSTR_FRIENDLYAPPNAME, AQVS_APPLICATION_FRIENDLYNAME, NULL),
|
|
MAKEAQX(ASSOCSTR_NOOPEN, AQNS_NAMED_MUI_STRING, L"NoOpen"),
|
|
MAKEAQX(ASSOCSTR_SHELLNEWVALUE, (ASSOCQUERY)0, NULL),
|
|
MAKEAQX(ASSOCSTR_DDECOMMAND, AQVS_DDECOMMAND, NULL),
|
|
MAKEAQX(ASSOCSTR_DDEIFEXEC, AQVS_DDEIFEXEC, NULL),
|
|
MAKEAQX(ASSOCSTR_DDEAPPLICATION, AQVS_DDEAPPLICATION, NULL),
|
|
MAKEAQX(ASSOCSTR_DDETOPIC, AQVS_DDETOPIC, NULL),
|
|
MAKEAQX(ASSOCSTR_INFOTIP, AQNS_NAMED_MUI_STRING, L"InfoTip"),
|
|
MAKEAQX(ASSOCSTR_QUICKTIP, AQNS_NAMED_MUI_STRING, L"QuickTip"),
|
|
MAKEAQX(ASSOCSTR_TILEINFO, AQNS_NAMED_MUI_STRING, L"TileInfo"),
|
|
MAKEAQX(ASSOCSTR_CONTENTTYPE, AQS_CONTENTTYPE, NULL),
|
|
MAKEAQX(ASSOCSTR_DEFAULTICON, AQS_DEFAULTICON, NULL),
|
|
MAKEAQX(ASSOCSTR_SHELLEXTENSION, AQNS_SHELLEX_HANDLER, NULL),
|
|
};
|
|
|
|
HRESULT _CopyOut(BOOL fNoTruncate, PCWSTR pszIn, PWSTR psz, DWORD *pcch)
|
|
{
|
|
// if caller doesnt want any return size,
|
|
// the incoming pointer is actually the size of the buffer
|
|
|
|
ASSERT(pcch);
|
|
ASSERT(psz || !IS_INTRESOURCE(pcch));
|
|
|
|
HRESULT hr;
|
|
DWORD cch = IS_INTRESOURCE(pcch) ? PtrToUlong(pcch) : *pcch;
|
|
DWORD cchStr = lstrlenW(pszIn);
|
|
|
|
if (psz)
|
|
{
|
|
if (!fNoTruncate || cch > cchStr)
|
|
{
|
|
StrCpyNW(psz, pszIn, cch);
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = E_POINTER;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
|
|
// return the number of chars written/required
|
|
if (!IS_INTRESOURCE(pcch))
|
|
*pcch = (hr == S_OK) ? lstrlen(psz) + 1 : cchStr + 1;
|
|
|
|
return hr;
|
|
}
|
|
|
|
ASSOCELEM_MASK _MaskFromFlags(ASSOCF flags)
|
|
{
|
|
ASSOCELEM_MASK mask = ASSOCELEM_MASK_QUERYNORMAL;
|
|
|
|
if (flags & ASSOCF_IGNOREBASECLASS)
|
|
mask &= (ASSOCELEM_USER | ASSOCELEM_DEFAULT);
|
|
|
|
if (flags & ASSOCF_NOUSERSETTINGS)
|
|
mask &= ~ASSOCELEM_USER;
|
|
|
|
return mask;
|
|
}
|
|
|
|
HRESULT CAssocArray::GetString(ASSOCF flags, ASSOCSTR str, LPCTSTR pszCue, LPTSTR pszOut, DWORD *pcchOut)
|
|
{
|
|
HRESULT hr = E_UNEXPECTED;
|
|
if (str && str < ASSOCSTR_MAX && pcchOut && (pszOut || !IS_INTRESOURCE(pcchOut)))
|
|
{
|
|
// subtract the first one to make a zero based offset
|
|
int index = str - ASSOCSTR_COMMAND;
|
|
if (!pszCue)
|
|
pszCue = s_rgaqxStrings[index].pszCue;
|
|
|
|
if (s_rgaqxStrings[index].query)
|
|
{
|
|
PWSTR psz;
|
|
hr = QueryString(_MaskFromFlags(flags), s_rgaqxStrings[index].query, pszCue, &psz);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = _CopyOut(flags & ASSOCF_NOTRUNCATE, psz, pszOut, pcchOut);
|
|
CoTaskMemFree(psz);
|
|
}
|
|
}
|
|
// else call win2k code for shellnew?
|
|
//
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static const AQXLATE s_rgaqxDatas[] =
|
|
{
|
|
MAKEAQX(ASSOCDATA_MSIDESCRIPTOR, AQVD_MSIDESCRIPTOR, NULL),
|
|
MAKEAQX(ASSOCDATA_NOACTIVATEHANDLER, AQV_NOACTIVATEHANDLER, NULL),
|
|
MAKEAQX(ASSOCDATA_QUERYCLASSSTORE, AQN_NAMED_VALUE, L"QueryClassStore"),
|
|
MAKEAQX(ASSOCDATA_HASPERUSERASSOC, (ASSOCQUERY)0, NULL),
|
|
MAKEAQX(ASSOCDATA_EDITFLAGS, AQN_NAMED_VALUE, L"EditFlags"),
|
|
MAKEAQX(ASSOCDATA_VALUE, AQN_NAMED_VALUE, NULL),
|
|
};
|
|
|
|
HRESULT _CopyDataOut(BOOL fNoTruncate, FLAGGED_BYTE_BLOB *pblob, void *pv, DWORD *pcb)
|
|
{
|
|
// if caller doesnt want any return size,
|
|
// the incoming pointer is actually the size of the buffer
|
|
ASSERT(pcb);
|
|
ASSERT(pv || !IS_INTRESOURCE(pcb));
|
|
|
|
HRESULT hr;
|
|
DWORD cb = IS_INTRESOURCE(pcb) ? PtrToUlong(pcb) : *pcb;
|
|
if (pv)
|
|
{
|
|
if (!fNoTruncate || cb >= pblob->clSize)
|
|
{
|
|
// copy the smaller of the src or dst
|
|
cb = min(cb, pblob->clSize);
|
|
memcpy(pv, pblob->abData, cb);
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = E_POINTER;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
|
|
// return the number of chars written/required
|
|
if (!IS_INTRESOURCE(pcb))
|
|
*pcb = pblob->clSize;
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CAssocArray::GetData(ASSOCF flags, ASSOCDATA data, PCWSTR pszCue, LPVOID pvOut, DWORD *pcbOut)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
if (data && data < ASSOCDATA_MAX)
|
|
{
|
|
// subtract the first one to make a zero based offset
|
|
int index = data - ASSOCDATA_MSIDESCRIPTOR;
|
|
if (!pszCue)
|
|
pszCue = s_rgaqxDatas[index].pszCue;
|
|
|
|
if (s_rgaqxDatas[index].query)
|
|
{
|
|
if (pcbOut)
|
|
{
|
|
FLAGGED_BYTE_BLOB *pblob;
|
|
hr = QueryDirect(_MaskFromFlags(flags), s_rgaqxDatas[index].query, pszCue, &pblob);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = _CopyDataOut(flags & ASSOCF_NOTRUNCATE, pblob, pvOut, pcbOut);
|
|
CoTaskMemFree(pblob);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = QueryExists(_MaskFromFlags(flags), s_rgaqxDatas[index].query, pszCue);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (data == ASSOCDATA_HASPERUSERASSOC)
|
|
{
|
|
IAssociationElement *pae;
|
|
if (_FirstElement(ASSOCELEM_USER, &pae))
|
|
{
|
|
pae->Release();
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
BOOL _IsSameVerb(PCWSTR pszV1, PCWSTR pszV2)
|
|
{
|
|
if (!pszV1 && !pszV2)
|
|
return TRUE;
|
|
else if (pszV1 && pszV2 && 0 == StrCmpIW(pszV1, pszV2))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
HRESULT CAssocArray::_GetCachedVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement **ppaeVerb, IAssociationElement **ppaeElem)
|
|
{
|
|
if (_paeVerb
|
|
&& mask == _maskVerb
|
|
&& _IsSameVerb(pszVerb, _pszVerb))
|
|
{
|
|
*ppaeVerb = _paeVerb;
|
|
_paeVerb->AddRef();
|
|
|
|
if (ppaeElem)
|
|
{
|
|
*ppaeElem = _paeVerbParent;
|
|
_paeVerbParent->AddRef();
|
|
}
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
*ppaeVerb = NULL;
|
|
|
|
if (ppaeElem)
|
|
*ppaeElem = NULL;
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
void CAssocArray::_SetCachedVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement *paeVerb, IAssociationElement *paeVerbParent)
|
|
{
|
|
if (_paeVerb)
|
|
{
|
|
ATOMICRELEASE(_paeVerb);
|
|
ATOMICRELEASE(_paeVerbParent);
|
|
if (_pszVerb)
|
|
LocalFree(_pszVerb);
|
|
}
|
|
|
|
if (pszVerb)
|
|
_pszVerb = StrDupW(pszVerb);
|
|
else
|
|
_pszVerb = NULL;
|
|
|
|
if (_pszVerb || !pszVerb)
|
|
{
|
|
_paeVerb = paeVerb;
|
|
_paeVerb->AddRef();
|
|
_paeVerbParent = paeVerbParent;
|
|
_paeVerbParent->AddRef();
|
|
_maskVerb = mask;
|
|
}
|
|
}
|
|
|
|
HRESULT CAssocArray::_GetVerbElement(ASSOCELEM_MASK mask, PCWSTR pszVerb, IAssociationElement **ppaeVerb, IAssociationElement **ppaeElem)
|
|
{
|
|
HRESULT hr = _GetCachedVerbElement(mask, pszVerb, ppaeVerb, ppaeElem);
|
|
IAssociationElement *pae;
|
|
for (int i = 0; FAILED(hr) && TRYNEXT(GetElement(i, mask, &pae)); i++)
|
|
{
|
|
if (pae)
|
|
{
|
|
hr = pae->QueryObject(AQVO_SHELLVERB_DELEGATE, pszVerb, IID_PPV_ARG(IAssociationElement, ppaeVerb));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
_SetCachedVerbElement(mask, pszVerb, *ppaeVerb, pae);
|
|
if (ppaeElem)
|
|
{
|
|
pae->AddRef();
|
|
*ppaeElem = pae;
|
|
}
|
|
}
|
|
pae->Release();
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CAssocArray::GetKey(ASSOCF flags, ASSOCKEY key, LPCTSTR pszCue, HKEY *phkey)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
*phkey = NULL;
|
|
|
|
if (key && key < ASSOCKEY_MAX)
|
|
{
|
|
IAssociationElement *pae;
|
|
switch (key)
|
|
{
|
|
case ASSOCKEY_SHELLEXECCLASS:
|
|
{
|
|
IAssociationElement *paeVerb;
|
|
hr = _GetVerbElement(_MaskFromFlags(flags) & _maskInclude, pszCue, &paeVerb, &pae);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// we dont use the verb element
|
|
paeVerb->Release();
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ASSOCKEY_APP:
|
|
// get app element
|
|
hr = QueryObject(ASSOCELEM_MASK_QUERYNORMAL, AQVO_APPLICATION_DELEGATE, pszCue, IID_PPV_ARG(IAssociationElement, &pae));
|
|
break;
|
|
|
|
case ASSOCKEY_CLASS:
|
|
{
|
|
hr = _FirstElement(_MaskFromFlags(flags) & _maskInclude, &pae) == GETELEM_SUCCEEDED ? S_OK : E_FAIL;
|
|
}
|
|
break;
|
|
|
|
case ASSOCKEY_BASECLASS:
|
|
hr = _FirstElement(ASSOCELEM_BASE & _maskInclude, &pae) == GETELEM_SUCCEEDED ? S_OK : E_FAIL;
|
|
break;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = AssocKeyFromElement(pae, phkey);
|
|
pae->Release();
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CAssocArray::_InsertSingleElement(IAssociationElement *pae)
|
|
{
|
|
AEINFO ae = {ASSOCELEM_DEFAULT, NULL, NULL, NULL, pae};
|
|
ASSERT(!_dsaElems);
|
|
if (_dsaElems.Create(1) && (DSA_ERR != _dsaElems.AppendItem(&ae)))
|
|
{
|
|
pae->AddRef();
|
|
return S_OK;
|
|
}
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
HRESULT CAssocArray::Init(ASSOCF flags, LPCTSTR pszAssoc, HKEY hkProgid, HWND hwnd)
|
|
{
|
|
IAssociationElement *pae;
|
|
HRESULT hr = (pszAssoc || hkProgid) ? S_OK : E_INVALIDARG;
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
_Reset();
|
|
_fUsingAppElement = flags & ASSOCF_INIT_BYEXENAME;
|
|
|
|
if (hkProgid)
|
|
{
|
|
const CLSID *pclsid;
|
|
if (_fUsingAppElement)
|
|
pclsid = &CLSID_AssocApplicationElement;
|
|
else if (flags & ASSOCF_INIT_NOREMAPCLSID)
|
|
pclsid = &CLSID_AssocClsidElement;
|
|
else
|
|
pclsid = &CLSID_AssocProgidElement;
|
|
|
|
hr = AssocElemCreateForKey(pclsid, hkProgid, &pae);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = _InsertSingleElement(pae);
|
|
pae->Release();
|
|
}
|
|
}
|
|
else if (_fUsingAppElement)
|
|
{
|
|
ASSERT(pszAssoc);
|
|
hr = AssocElemCreateForClass(&CLSID_AssocApplicationElement, pszAssoc, &pae);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = _InsertSingleElement(pae);
|
|
pae->Release();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ASSERT(pszAssoc);
|
|
ASSOCELEM_MASK maskBase = 0;
|
|
if (flags & ASSOCF_INIT_DEFAULTTOFOLDER)
|
|
maskBase |= ASSOCELEM_BASEIS_FOLDER;
|
|
if (flags & ASSOCF_INIT_DEFAULTTOSTAR)
|
|
maskBase |= ASSOCELEM_BASEIS_STAR;
|
|
|
|
if (StrChr(pszAssoc, TEXT('\\')))
|
|
pszAssoc = PathFindExtension(pszAssoc);
|
|
|
|
if (*pszAssoc)
|
|
hr = InitClassElements(maskBase, pszAssoc);
|
|
else
|
|
hr = E_INVALIDARG;
|
|
}
|
|
}
|
|
_hrInit = hr;
|
|
return hr;
|
|
}
|
|
|
|
STDAPI CQueryAssociations_CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv)
|
|
{
|
|
|
|
HRESULT hr = E_INVALIDARG;
|
|
|
|
if (ppv)
|
|
{
|
|
*ppv = NULL;
|
|
|
|
if (punkOuter)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
CAssocArray *passoc = new CAssocArray();
|
|
|
|
if (passoc)
|
|
{
|
|
hr = passoc->QueryInterface(riid, ppv);
|
|
passoc->Release();
|
|
}
|
|
else
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|