117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
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#pragma once
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//+------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994 - 1998.
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//
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// File: tnupdr.hxx
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//
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//+------------------------------------------------------------------
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DECLARE_DEBUG(updr);
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#if DBG == 1
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#define updrAssert(e) Win4Assert(e)
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#define updrVerify(e) Win4Assert(e)
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#define updrDebug(x) updrInlineDebugOut x
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// updrDebugOut is called from the Chk/Err macros
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#define updrDebugOut(x) updrInlineDebugOut x
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#else
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#define updrAssert(e)
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#define updrVerify(e) (e)
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#define updrDebug(x)
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#endif
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#define updrErr(l, e) ErrJmp(updr, l, e, sc)
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#define updrChkTo(l, e) if (FAILED(sc = (e))) updrErr(l, sc) else 1
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#define updrChk(e) updrChkTo(EH_Err, e)
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#define updrHChkTo(l, e) if (FAILED(sc = DfGetScode(e))) updrErr(l, sc) else 1
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#define updrHChk(e) updrHChkTo(EH_Err, e)
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#define updrMemTo(l, e) \
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if ((e) == NULL) updrErr(l, STG_E_INSUFFICIENTMEMORY) else 1
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#define updrMem(e) updrMemTo(EH_Err, e)
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// +----------------------------------------------------------------------
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// Thumbnail Updater Class
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// +----------------------------------------------------------------------
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class CTNUpdater: public IFilterStatus,
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public IOplockStorage
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{
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friend HRESULT CThumbnailCF_CreateInstance( IUnknown*, REFIID, void** );
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public: // IUnknown
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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STDMETHODIMP QueryInterface(REFIID iid, void **ppv);
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public: // IFilterStatus
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STDMETHODIMP Initialize(
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/* [string][in] */ const WCHAR __RPC_FAR *pwszCatalogName,
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/* [string][in] */ const WCHAR __RPC_FAR *pwszCatalogPath);
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STDMETHODIMP PreFilter(
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/* [string][in] */ const WCHAR __RPC_FAR *pwszPath);
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STDMETHODIMP FilterLoad(
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/* [string][in] */ const WCHAR __RPC_FAR *pwszPath,
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/* [in] */ SCODE scFilterStatus);
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STDMETHODIMP PostFilter(
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/* [string][in] */ const WCHAR __RPC_FAR *pwszPath,
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/* [in] */ SCODE scFilterStatus);
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public: // IOplockStorage
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#define STGM_OPLOCKS_DONT_WORK (STGM_TRANSACTED | STGM_SIMPLE | STGM_PRIORITY)
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STDMETHODIMP CreateStorageEx(LPCWSTR pwcsName,
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DWORD grfMode,
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DWORD stgfmt,
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DWORD grfAttrs,
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REFIID riid,
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void ** ppstgOpen);
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STDMETHODIMP OpenStorageEx(LPCWSTR pwcsName,
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DWORD grfMode,
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DWORD stgfmt,
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DWORD grfAttrs,
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REFIID riid,
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void ** ppstgOpen);
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public: // C++ Methods
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CTNUpdater(void);
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~CTNUpdater(void);
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private: // Non-Interface Methods
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BOOL ObjectInit();
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BOOL HasAnImageFileExtension(LPCWSTR pwszPath);
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HRESULT GetImageFileExtensions();
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HRESULT AddToTempExtensionList(WCHAR* pwszExtension);
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HRESULT FreeTempExtensionList();
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HRESULT GetAFileNameExtension(WCHAR* pwszKeyName, WCHAR** ppwszExtension);
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struct TEMPEXTLIST {
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WCHAR* pwszExtension;
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struct TEMPEXTLIST* pNext;
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};
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private: // Data
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ULONG m_cRef;
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IThumbnailExtractor* m_pITE;
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HKEY m_hkeyMime;
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HANDLE m_hEvRegNotify;
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WCHAR** m_ppwszExtensions;
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TEMPEXTLIST* m_pTempList;
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};
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