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