Initial community commit

1 files changed, 317 insertions, 0 deletions

diff --git a/Src/Winamp/CurrentSongCOM.cpp b/Src/Winamp/CurrentSongCOM.cpp
new file mode 100644
index 00000000..7bcf5978
--- /dev/null
+++ b/Src/Winamp/CurrentSongCOM.cpp
@@ -0,0 +1,317 @@
+/** (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, &params, 0, 0, &ret);
+		}
+		catch (...)
+		{}
+	}
+	else
+		dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, &params, 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, &params, 0, 0, &ret);
+		}
+		catch (...)
+		{}
+	}
+	else
+		dispatch->Invoke(0, GUID_NULL, 0, DISPATCH_METHOD, &params, 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);
+}
+