116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
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// Copyright (c) 1999 Microsoft Corporation. All rights reserved.
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//
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// Implementation of CAutDirectMusicSegmentState.
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//
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#include "stdinc.h"
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#include "autsegmentstate.h"
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#include "activescript.h"
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#include "autconstants.h"
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#include <limits>
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const WCHAR CAutDirectMusicSegmentState::ms_wszClassName[] = L"SegmentState";
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//////////////////////////////////////////////////////////////////////
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// Method Names/DispIDs
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const DISPID DMPDISP_IsPlaying = 1;
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const DISPID DMPDISP_Stop = 2;
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const AutDispatchMethod CAutDirectMusicSegmentState::ms_Methods[] =
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{
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// dispid, name,
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// return: type, (opt), (iid),
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// parm 1: type, opt, iid,
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// parm 2: type, opt, iid,
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// ...
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// ADT_None
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{ DMPDISP_IsPlaying, L"IsPlaying",
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ADT_Long, true, &IID_NULL, // returns true if playing
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ADT_None },
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{ DMPDISP_Stop, L"Stop",
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ADPARAM_NORETURN,
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ADT_Long, true, &IID_NULL, // flags
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ADT_None },
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{ DISPID_UNKNOWN }
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};
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const DispatchHandlerEntry<CAutDirectMusicSegmentState> CAutDirectMusicSegmentState::ms_Handlers[] =
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{
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{ DMPDISP_IsPlaying, IsPlaying },
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{ DMPDISP_Stop, Stop },
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{ DISPID_UNKNOWN }
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};
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//////////////////////////////////////////////////////////////////////
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// Creation
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CAutDirectMusicSegmentState::CAutDirectMusicSegmentState(
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IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv,
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HRESULT *phr)
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: BaseImpSegSt(pUnknownOuter, iid, ppv, phr)
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{
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}
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HRESULT
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CAutDirectMusicSegmentState::CreateInstance(
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IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv)
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{
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HRESULT hr = S_OK;
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CAutDirectMusicSegmentState *pInst = new CAutDirectMusicSegmentState(pUnknownOuter, iid, ppv, &hr);
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if (FAILED(hr))
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{
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delete pInst;
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return hr;
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}
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if (pInst == NULL)
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return E_OUTOFMEMORY;
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return hr;
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}
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//////////////////////////////////////////////////////////////////////
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// Automation
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HRESULT
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CAutDirectMusicSegmentState::IsPlaying(AutDispatchDecodedParams *paddp)
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{
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LONG *plRet = reinterpret_cast<LONG*>(paddp->pvReturn);
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if (!plRet)
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return S_OK;
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IDirectMusicPerformance *pPerf = CActiveScriptManager::GetCurrentPerformanceWEAK();
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HRESULT hr = pPerf->IsPlaying(NULL, m_pITarget);
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*plRet = ::BoolForVB(hr == S_OK);
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return hr;
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}
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const FlagMapEntry gc_flagmapStop[] =
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{
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{ ScriptConstants::AtGrid, DMUS_SEGF_GRID },
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{ ScriptConstants::AtBeat, DMUS_SEGF_BEAT },
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{ ScriptConstants::AtMeasure, DMUS_SEGF_MEASURE },
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{ ScriptConstants::AtImmediate, DMUS_SEGF_DEFAULT }, // this flag gets flipped later
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{ 0 }
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};
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HRESULT
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CAutDirectMusicSegmentState::Stop(AutDispatchDecodedParams *paddp)
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{
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LONG lFlags = paddp->params[0].lVal;
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DWORD dwFlags = MapFlags(lFlags, gc_flagmapStop);
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// Reverse the default flag because our flag means the opposite. Default is the default and immediate is the flag.
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dwFlags ^= DMUS_SEGF_DEFAULT;
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IDirectMusicPerformance8 *pPerformance = CActiveScriptManager::GetCurrentPerformanceWEAK();
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__int64 i64IntendedStartTime;
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DWORD dwIntendedStartTimeFlags;
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CActiveScriptManager::GetCurrentTimingContext(&i64IntendedStartTime, &dwIntendedStartTimeFlags);
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HRESULT hr = pPerformance->Stop(NULL, m_pITarget, i64IntendedStartTime, dwFlags | dwIntendedStartTimeFlags);
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return hr;
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}
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