318 lines
8.1 KiB
C++
318 lines
8.1 KiB
C++
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/** (c) Nullsoft, Inc. C O N F I D E N T I A L
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** Filename:
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** Project:
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** Description:
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** Author: Ben Allison benski@nullsoft.com
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** Created:
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**/
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#include "Main.h"
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#include "CurrentSongCOM.h"
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#include "../nu/AutoWide.h"
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#include "Browser.h"
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#include "JSAPI.h"
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#include <malloc.h>
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HANDLE DuplicateCurrentThread()
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{
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HANDLE fakeHandle = GetCurrentThread();
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HANDLE copiedHandle = 0;
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HANDLE processHandle = GetCurrentProcess();
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DuplicateHandle(processHandle, fakeHandle, processHandle, &copiedHandle, 0, FALSE, DUPLICATE_SAME_ACCESS);
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return copiedHandle;
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}
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enum
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{
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DISP_CURRENTSONG_GETFILENAME = 777,
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DISP_CURRENTSONG_GETFILETITLE ,
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DISP_CURRENTSONG_GETFILELENGTH,
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DISP_CURRENTSONG_GETMETADATA ,
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DISP_CURRENTSONG_GETPLAYPOSITION ,
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DISP_CURRENTSONG_ISPLAYING ,
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DISP_CURRENTSONG_ISSTOPPED ,
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DISP_CURRENTSONG_ISPAUSED ,
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DISP_CURRENTSONG_PAUSE ,
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DISP_CURRENTSONG_RESUME,
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DISP_CURRENTSONG_REGISTERMETADATACALLBACK,
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DISP_CURRENTSONG_UNREGISTERMETADATACALLBACK,
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DISP_CURRENTSONG_REGISTERTITLECHANGECALLBACK,
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DISP_CURRENTSONG_UNREGISTERTITLECHANGECALLBACK,
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DISP_CURRENTSONG_REFRESHTITLE,
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};
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#define CHECK_ID(str, id)\
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if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, rgszNames[i], -1, L##str, -1))\
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{ rgdispid[i] = id; continue; }
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HRESULT CurrentSongCOM::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
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{
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UNREFERENCED_PARAMETER(riid);
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bool unknowns = false;
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for (unsigned int i = 0;i != cNames;i++)
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{
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CHECK_ID("GetFilename", DISP_CURRENTSONG_GETFILENAME) // July 27, 2005
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CHECK_ID("GetFileTitle", DISP_CURRENTSONG_GETFILETITLE) // July 27, 2005
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CHECK_ID("GetFileLength", DISP_CURRENTSONG_GETFILELENGTH) // July 27, 2005
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CHECK_ID("GetMetadata", DISP_CURRENTSONG_GETMETADATA) // July 27, 2005
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CHECK_ID("GetPlayPosition", DISP_CURRENTSONG_GETPLAYPOSITION) // July 27, 2005
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CHECK_ID("IsPlaying", DISP_CURRENTSONG_ISPLAYING) // July 27, 2005
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CHECK_ID("IsStopped", DISP_CURRENTSONG_ISSTOPPED) // July 27, 2005
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CHECK_ID("IsPaused", DISP_CURRENTSONG_ISPAUSED) // July 27, 2005
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CHECK_ID("Pause", DISP_CURRENTSONG_PAUSE)
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CHECK_ID("Resume", DISP_CURRENTSONG_RESUME)
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CHECK_ID("RegisterMetadataCallback", DISP_CURRENTSONG_REGISTERMETADATACALLBACK)
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CHECK_ID("UnregisterMetadataCallback", DISP_CURRENTSONG_UNREGISTERMETADATACALLBACK)
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CHECK_ID("RegisterTitleChangeCallback", DISP_CURRENTSONG_REGISTERTITLECHANGECALLBACK)
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CHECK_ID("UnregisterTitleChangeCallback", DISP_CURRENTSONG_UNREGISTERTITLECHANGECALLBACK)
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CHECK_ID("RefreshTitle", DISP_CURRENTSONG_REFRESHTITLE)
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rgdispid[i] = DISPID_UNKNOWN;
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unknowns = true;
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}
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if (unknowns)
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return DISP_E_UNKNOWNNAME;
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else
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return S_OK;
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}
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HRESULT CurrentSongCOM::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
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{
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UNREFERENCED_PARAMETER(itinfo);
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UNREFERENCED_PARAMETER(lcid);
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UNREFERENCED_PARAMETER(pptinfo);
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return E_NOTIMPL;
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}
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HRESULT CurrentSongCOM::GetTypeInfoCount(unsigned int FAR * pctinfo)
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{
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UNREFERENCED_PARAMETER(pctinfo);
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return E_NOTIMPL;
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}
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HRESULT CurrentSongCOM::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
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{
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UNREFERENCED_PARAMETER(riid);
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UNREFERENCED_PARAMETER(lcid);
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UNREFERENCED_PARAMETER(wFlags);
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UNREFERENCED_PARAMETER(pexecinfo);
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switch (dispid)
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{
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case DISP_CURRENTSONG_REFRESHTITLE:
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SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_UPDTITLE);
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return S_OK;
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case DISP_CURRENTSONG_REGISTERTITLECHANGECALLBACK:
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return titleChangeCallbacks.RegisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_CURRENTSONG_UNREGISTERTITLECHANGECALLBACK:
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return titleChangeCallbacks.UnregisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_CURRENTSONG_REGISTERMETADATACALLBACK:
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return metadataCallbacks.RegisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_CURRENTSONG_UNREGISTERMETADATACALLBACK:
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return metadataCallbacks.UnregisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_CURRENTSONG_GETMETADATA:
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JSAPI_VERIFY_METHOD(wFlags);
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JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
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JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
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JSAPI_INIT_RESULT(pvarResult, VT_BSTR);
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{
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wchar_t buffer[4096] = {0};
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extendedFileInfoStructW info;
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info.filename = FileName;
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info.metadata = pdispparams->rgvarg[0].bstrVal;
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info.ret = buffer;
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info.retlen = sizeof(buffer)/sizeof(wchar_t);
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if (NULL != info.filename &&
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NULL != info.metadata)
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{
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if (0 == SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)&info, IPC_GET_EXTENDED_FILE_INFOW_HOOKABLE))
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info.ret = NULL;
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JSAPI_SET_RESULT(pvarResult, bstrVal, SysAllocString(info.ret));
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}
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else
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JSAPI_EMPTY_RESULT(pvarResult);
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return S_OK;
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}
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break;
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case DISP_CURRENTSONG_GETFILENAME:
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{
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BSTR name = SysAllocString(FileName);
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BSTR;
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V_BSTR(pvarResult) = name;
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return S_OK;
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}
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break;
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case DISP_CURRENTSONG_GETFILETITLE:
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{
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BSTR title = SysAllocString(FileTitle);
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BSTR;
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V_BSTR(pvarResult) = title;
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return S_OK;
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}
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break;
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case DISP_CURRENTSONG_GETFILELENGTH:
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_I4;
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V_I4(pvarResult) = in_getlength();
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return S_OK;
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case DISP_CURRENTSONG_GETPLAYPOSITION:
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_I4;
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V_I4(pvarResult) = in_getouttime();
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return S_OK;
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case DISP_CURRENTSONG_ISPLAYING:
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BOOL;
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V_BOOL(pvarResult) = (0 != playing) ? VARIANT_TRUE : VARIANT_FALSE;
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return S_OK;
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case DISP_CURRENTSONG_ISSTOPPED:
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BOOL;
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V_BOOL(pvarResult) = (0 == playing) ? VARIANT_TRUE : VARIANT_FALSE;
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return S_OK;
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case DISP_CURRENTSONG_ISPAUSED:
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BOOL;
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V_BOOL(pvarResult) = (0 != paused) ? VARIANT_TRUE : VARIANT_FALSE;
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return S_OK;
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case DISP_CURRENTSONG_PAUSE:
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PausePlaying();
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return S_OK;
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case DISP_CURRENTSONG_RESUME:
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UnPausePlaying();
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return S_OK;
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}
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return DISP_E_MEMBERNOTFOUND;
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}
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STDMETHODIMP CurrentSongCOM::QueryInterface(REFIID riid, PVOID *ppvObject)
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{
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if (!ppvObject)
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return E_POINTER;
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else if (IsEqualIID(riid, IID_IDispatch))
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*ppvObject = (IDispatch *)this;
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else if (IsEqualIID(riid, IID_IUnknown))
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*ppvObject = this;
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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ULONG CurrentSongCOM::AddRef(void)
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{
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return 0;
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}
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ULONG CurrentSongCOM::Release(void)
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{
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return 0;
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}
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static void TitleChanged_NotifyCb(IDispatch *dispatch, void *param)
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{
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UNREFERENCED_PARAMETER(param);
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DISPPARAMS params;
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unsigned int ret;
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if (NULL == dispatch)
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return;
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params.cArgs = 0;
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params.cNamedArgs = 0;
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params.rgdispidNamedArgs = 0;
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params.rgvarg = 0;
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if (!(config_no_visseh&8))
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{
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try
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{
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dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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catch (...)
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{}
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}
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else
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dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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void CurrentSongCOM::TitleChanged()
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{
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titleChangeCallbacks.Notify(TitleChanged_NotifyCb, NULL, NULL);
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}
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static void MetadataChanged_NotifyCb(IDispatch *dispatch, void *param)
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{
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VARIANT argument;
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DISPPARAMS params;
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if (NULL == dispatch)
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return;
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VariantInit(&argument);
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V_VT(&argument) = VT_BSTR;
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V_BSTR(&argument) = (BSTR)param;
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params.cArgs = 1;
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params.cNamedArgs = 0;
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params.rgdispidNamedArgs = NULL;
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params.rgvarg = &argument;
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unsigned int ret;
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if (!(config_no_visseh&8))
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{
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try
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{
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dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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catch (...)
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{}
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}
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else
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dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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static void MetadataChanged_FreeCb(void *param)
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{
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BSTR bstr = (BSTR)param;
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SysFreeString(bstr);
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}
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void CurrentSongCOM::MetadataChanged(char *metadataString)
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{
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AutoWide wideMetadata(metadataString);
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BSTR bstr = SysAllocString(wideMetadata);
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metadataCallbacks.Notify(MetadataChanged_NotifyCb, MetadataChanged_FreeCb, bstr);
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}
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