shared source/wpf/src/host/shimimpl/version.hxx

   1 //------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  Description:
   6 //     Defines the connection to PresentationHostDLL.dll
   7 //
   8 // History:
   9 //      2005/05/09 - [....]
  10 //          Created
  11 //      2007/09/20-[....]
  12 //          Ported Windows->DevDiv. See SourcesHistory.txt.
  13 //
  14 //------------------------------------------------------------------------
  15
  16 #pragma once
  17
  18 class CVersion
  19 {
  20 public:
  21     CVersion(__in_ecount(1) LPCWSTR pswzVersion);
  22     ~CVersion() {}
  23
  24 public:
  25     BOOL IsValid() { return m_bIsValid; }
  26     BOOL IsAttached() { return m_bIsAttached; }
  27     HRESULT Attach();
  28
  29     STRING_PROP(Value);
  30         DWORD Major() const { return m_dwMajor; }
  31         DWORD Minor() const { return m_dwMinor; }
  32     STRING_PROP(LibraryPath);
  33
  34     int CompareTo(__in_ecount(1) CVersion* pOther);
  35
  36     // Invokes Watson and terminates on failure
  37     void Activate(__in_ecount(1) const struct ActivateParameters* pParameters, __deref_out_ecount(1) LPUNKNOWN* ppInner);
  38     void Deactivate();
  39     HRESULT ForwardTranslateAccelerator(__in_ecount(1) MSG* pMsg);
  40     HRESULT SaveToHistory(__in_ecount(1) IStream* pHistoryStream);
  41     HRESULT LoadFromHistory(__in_ecount(1) IStream* pHistoryStream, __in_ecount(1) IBindCtx* pBindCtx);
  42
  43 private:
  44     void ParseVersion(__in_ecount(1) LPCWSTR pswzVersion);
  45
  46 private:
  47     typedef void (*ActivatePfn)(__in_ecount(1) const ActivateParameters* pParameters, __deref_out_ecount(1) LPUNKNOWN* ppInner);
  48     typedef void (*DeactivatePfn)();
  49     typedef HRESULT (*ForwardTranslateAcceleratorPfn)(__in_ecount(1) MSG* pMsg, VARIANT_BOOL appUnhandled);
  50     typedef HRESULT (*SaveToHistoryPfn)(__in_ecount(1) IStream* pHistoryStream);
  51     typedef HRESULT (*LoadFromHistoryPfn)(__in_ecount(1) IStream* pHistoryStream, __in_ecount(1) IBindCtx* pBindCtx);
  52
  53     DWORD                           m_dwMajor;
  54     DWORD                           m_dwMinor;
  55     DWORD                           m_dwBuild;
  56
  57     HINSTANCE                       m_hInstance;
  58     CString                         m_strValue;
  59     CString                         m_strLibraryPath;
  60
  61     BOOL                            m_bIsValid;
  62     BOOL                            m_bIsAttached;
  63     ActivatePfn                     m_pfnActivate;
  64     DeactivatePfn                   m_pfnDeactivate;
  65     ForwardTranslateAcceleratorPfn  m_pfnForwardTranslateAccelerator;
  66     SaveToHistoryPfn                m_pfnSaveToHistory;
  67     LoadFromHistoryPfn              m_pfnLoadFromHistory;
  68 };