propertyhdl.hxx

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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SHELL_INC_INTERNAL_PROPERTYHDL_HXX
#define INCLUDED_SHELL_INC_INTERNAL_PROPERTYHDL_HXX
 
#include <shlobj.h>
 
// {AE424E85-F6DF-4910-A6A9-438797986431}
const CLSID CLSID_PROPERTY_HANDLER =
{ 0xae424e85, 0xf6df, 0x4910, { 0xa6, 0xa9, 0x43, 0x87, 0x97, 0x98, 0x64, 0x31 } };
 
class CMetaInfoReader;
 
class CPropertyHdl : public IPropertyStore,
                     public IPropertyStoreCapabilities,
                     public IInitializeWithStream
{
public:
             CPropertyHdl(LONG RefCnt = 1);
    virtual ~CPropertyHdl();
 
 
    // IUnknown methods
 
    virtual HRESULT STDMETHODCALLTYPE QueryInterface(
            REFIID riid,
            void __RPC_FAR *__RPC_FAR *ppvObject ) override;
    virtual ULONG STDMETHODCALLTYPE AddRef() override;
    virtual ULONG STDMETHODCALLTYPE Release() override;
 
 
    // IPropertyStore
 
    virtual HRESULT STDMETHODCALLTYPE GetCount( DWORD *pcProps ) override;
    virtual HRESULT STDMETHODCALLTYPE GetAt( DWORD iProp, PROPERTYKEY *pkey ) override;
    virtual HRESULT STDMETHODCALLTYPE GetValue( REFPROPERTYKEY key, PROPVARIANT *pPropVar ) override;
    virtual HRESULT STDMETHODCALLTYPE SetValue( REFPROPERTYKEY key, REFPROPVARIANT propVar ) override;
    virtual HRESULT STDMETHODCALLTYPE Commit() override;
 
 
    // IPropertyStoreCapabilities
 
    virtual HRESULT STDMETHODCALLTYPE IsPropertyWritable( REFPROPERTYKEY key ) override;
 
 
    // IInitializeWithStream
 
    virtual HRESULT STDMETHODCALLTYPE Initialize(IStream *pStream, DWORD grfMode) override;
 
private:
    void        LoadProperties( CMetaInfoReader *pMetaInfoReader );
 
private:
    LONG m_RefCnt;
    IPropertyStoreCache* m_pCache;
};
 
class CClassFactory : public IClassFactory
{
public:
    CClassFactory( const CLSID& clsid );
    virtual ~CClassFactory();
 
 
    // IUnknown methods
 
    virtual HRESULT STDMETHODCALLTYPE QueryInterface(
            REFIID riid,
            void __RPC_FAR *__RPC_FAR *ppvObject) override;
    virtual ULONG STDMETHODCALLTYPE AddRef() override;
    virtual ULONG STDMETHODCALLTYPE Release() override;
 
 
    // IClassFactory methods
 
    virtual HRESULT STDMETHODCALLTYPE CreateInstance(
            IUnknown __RPC_FAR *pUnkOuter,
            REFIID riid,
            void __RPC_FAR *__RPC_FAR *ppvObject) override;
 
    virtual HRESULT STDMETHODCALLTYPE LockServer( BOOL fLock ) override;
    static bool IsLocked();
 
private:
    LONG  m_RefCnt;
    CLSID m_Clsid;
    static LONG  s_ServerLocks;
};
 
#endif
 
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