dll/directx/msvidctl/enumtuningspaces.cpp

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS BDA Proxy
   4  * FILE:            dll/directx/msvidctl/enumtuningspaces.cpp
   5  * PURPOSE:         ITuningSpace interface
   6  *
   7  * PROGRAMMERS:     Johannes Anderwald (johannes.anderwald@reactos.org)
   8  */
   9 #include "precomp.h"
  10
  11 class CEnumTuningSpaces : public IEnumTuningSpaces
  12 {
  13 public:
  14     STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
  15
  16     STDMETHODIMP_(ULONG) AddRef()
  17     {
  18         InterlockedIncrement(&m_Ref);
  19         return m_Ref;
  20     }
  21     STDMETHODIMP_(ULONG) Release()
  22     {
  23         InterlockedDecrement(&m_Ref);
  24         if (!m_Ref)
  25         {
  26             //delete this;
  27             return 0;
  28         }
  29         return m_Ref;
  30     }
  31
  32     // IEnumTuningSpaces methods
  33     HRESULT STDMETHODCALLTYPE Next(ULONG celt, ITuningSpace **rgelt, ULONG *pceltFetched);
  34     HRESULT STDMETHODCALLTYPE Skip(ULONG celt);
  35     HRESULT STDMETHODCALLTYPE Reset();
  36     HRESULT STDMETHODCALLTYPE Clone(IEnumTuningSpaces **ppEnum);
  37
  38     CEnumTuningSpaces() : m_Ref(0){};
  39
  40     virtual ~CEnumTuningSpaces(){};
  41
  42 protected:
  43     LONG m_Ref;
  44 };
  45
  46 HRESULT
  47 STDMETHODCALLTYPE
  48 CEnumTuningSpaces::QueryInterface(
  49     IN  REFIID refiid,
  50     OUT PVOID* Output)
  51 {
  52     if (IsEqualGUID(refiid, IID_IUnknown))
  53     {
  54         *Output = PVOID(this);
  55         reinterpret_cast<IUnknown*>(*Output)->AddRef();
  56         return NOERROR;
  57     }
  58
  59     if (IsEqualGUID(refiid, IID_IEnumTuningSpaces))
  60     {
  61         *Output = (IEnumTuningSpaces*)this;
  62         reinterpret_cast<IEnumTuningSpaces*>(*Output)->AddRef();
  63         return NOERROR;
  64     }
  65
  66     WCHAR Buffer[MAX_PATH];
  67     LPOLESTR lpstr;
  68     StringFromCLSID(refiid, &lpstr);
  69     swprintf(Buffer, L"CEnumTuningSpaces::QueryInterface: NoInterface for %s\n", lpstr);
  70     OutputDebugStringW(Buffer);
  71     CoTaskMemFree(lpstr);
  72
  73     return E_NOINTERFACE;
  74 }
  75
  76 //-------------------------------------------------------------------
  77 // IEnumTuningSpaces
  78 //
  79 HRESULT
  80 STDMETHODCALLTYPE
  81 CEnumTuningSpaces::Next(ULONG celt, ITuningSpace **rgelt, ULONG *pceltFetched)
  82 {
  83     OutputDebugStringW(L"CEnumTuningSpaces::Next : stub\n");
  84     return CTuningSpace_fnConstructor(NULL, IID_ITuningSpace, (void**)rgelt);
  85
  86 }
  87
  88 HRESULT
  89 STDMETHODCALLTYPE
  90 CEnumTuningSpaces::Skip(ULONG celt)
  91 {
  92     OutputDebugStringW(L"CEnumTuningSpaces::Skip : NotImplemented\n");
  93     return E_NOTIMPL;
  94 }
  95
  96 HRESULT
  97 STDMETHODCALLTYPE
  98 CEnumTuningSpaces::Reset()
  99 {
 100     OutputDebugStringW(L"CEnumTuningSpaces::Reset : NotImplemented\n");
 101     return E_NOTIMPL;
 102 }
 103
 104 HRESULT
 105 STDMETHODCALLTYPE
 106 CEnumTuningSpaces::Clone(IEnumTuningSpaces **ppEnum)
 107 {
 108     OutputDebugStringW(L"CEnumTuningSpaces::Clone : NotImplemented\n");
 109     return E_NOTIMPL;
 110 }
 111
 112 HRESULT
 113 WINAPI
 114 CEnumTuningSpaces_fnConstructor(
 115     IUnknown *pUnknown,
 116     REFIID riid,
 117     LPVOID * ppv)
 118 {
 119     // construct device control
 120     CEnumTuningSpaces * tuningspaces = new CEnumTuningSpaces();
 121
 122 #ifdef MSVIDCTL_TRACE
 123     WCHAR Buffer[MAX_PATH];
 124     LPOLESTR lpstr;
 125     StringFromCLSID(riid, &lpstr);
 126     swprintf(Buffer, L"CEnumTuningSpaces_fnConstructor riid %s pUnknown %p\n", lpstr, pUnknown);
 127     OutputDebugStringW(Buffer);
 128 #endif
 129
 130     if (!tuningspaces)
 131         return E_OUTOFMEMORY;
 132
 133     if (FAILED(tuningspaces->QueryInterface(riid, ppv)))
 134     {
 135         /* not supported */
 136         delete tuningspaces;
 137         return E_NOINTERFACE;
 138     }
 139
 140     return NOERROR;
 141 }
 142