Merge pull request #5 from WinampDesktop/community

Merge to main

1 files changed, 398 insertions, 0 deletions

diff --git a/Src/Winamp/MediaCoreCOM.cpp b/Src/Winamp/MediaCoreCOM.cpp
new file mode 100644
index 00000000..3f06c3ef
--- /dev/null
+++ b/Src/Winamp/MediaCoreCOM.cpp
@@ -0,0 +1,398 @@
+/** (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 "MediaCoreCOM.h"
+#include "jsapi.h"
+
+enum
+{
+	DISP_MEDIACORE_ISREGISTEREDEXTENSION = 777,
+	DISP_MEDIACORE_GETMETADATA,
+	DISP_MEDIACORE_REGISTER_CALLBACK,
+	DISP_MEDIACORE_UNREGISTER_CALLBACK,
+	DISP_MEDIACORE_PLAY,
+	DISP_MEDIACORE_ENQUEUE,
+	DISP_MEDIACORE_PAUSE,
+	DISP_MEDIACORE_RESUME,
+	DISP_MEDIACORE_VOLUME,
+};
+
+#define CHECK_ID(str, id)\
+	if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, rgszNames[i], -1, L##str, -1))\
+		{ rgdispid[i] = id; continue; }
+
+HRESULT MediaCoreCOM::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("IsRegisteredExtension", DISP_MEDIACORE_ISREGISTEREDEXTENSION)
+		CHECK_ID("GetMetadata", DISP_MEDIACORE_GETMETADATA)
+		CHECK_ID("RegisterCallback", DISP_MEDIACORE_REGISTER_CALLBACK)
+		CHECK_ID("UnregisterCallback", DISP_MEDIACORE_UNREGISTER_CALLBACK)
+		CHECK_ID("Play", DISP_MEDIACORE_PLAY)
+		CHECK_ID("Enqueue", DISP_MEDIACORE_ENQUEUE)
+		CHECK_ID("Pause", DISP_MEDIACORE_PAUSE)
+		CHECK_ID("Resume", DISP_MEDIACORE_RESUME)
+		CHECK_ID("volume", DISP_MEDIACORE_VOLUME)
+		rgdispid[i] = DISPID_UNKNOWN;
+		unknowns = true;
+	}
+	if (unknowns)
+		return DISP_E_UNKNOWNNAME;
+	else
+		return S_OK;
+}
+
+HRESULT MediaCoreCOM::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
+{
+	UNREFERENCED_PARAMETER(itinfo);
+	UNREFERENCED_PARAMETER(lcid);
+	UNREFERENCED_PARAMETER(pptinfo);
+	return E_NOTIMPL;
+}
+
+HRESULT MediaCoreCOM::GetTypeInfoCount(unsigned int FAR * pctinfo)
+{
+	UNREFERENCED_PARAMETER(pctinfo);
+	return E_NOTIMPL;
+}
+
+HRESULT MediaCoreCOM::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(pexecinfo);
+
+	switch (dispid)
+	{
+	case DISP_MEDIACORE_PLAY:
+		{
+			if (pdispparams->cArgs < 1 || pdispparams->cArgs > 3)
+				return DISP_E_BADPARAMCOUNT;
+
+			/* we're probably not on the main thread, so we'll have to get onto the main thread */
+			// TODO: APC this instead of SendMessageW
+			enqueueFileWithMetaStructW s = {0,0,0,0};
+			SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_DELETE);
+
+			switch(pdispparams->cArgs)
+			{
+			case 1:
+				s.filename = pdispparams->rgvarg[0].bstrVal;
+				break;
+			case 2:
+				s.filename = pdispparams->rgvarg[1].bstrVal;
+				s.title    = pdispparams->rgvarg[0].bstrVal;
+				break;
+			case 3:
+				s.filename = pdispparams->rgvarg[2].bstrVal;
+				s.title    = pdispparams->rgvarg[1].bstrVal;
+				s.length   = pdispparams->rgvarg[0].lVal;
+				break;
+			}
+
+			s.ext = NULL;
+
+			SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)&s, IPC_PLAYFILEW);
+			SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_STARTPLAY);
+			return S_OK;
+		}
+	case DISP_MEDIACORE_ENQUEUE:
+			{
+			if (pdispparams->cArgs < 1 || pdispparams->cArgs > 3)
+				return DISP_E_BADPARAMCOUNT;
+
+			/* we're probably not on the main thread, so we'll have to get onto the main thread */
+			// TODO: APC this instead of SendMessageW
+			enqueueFileWithMetaStructW s = {0,0,0,0};
+
+			switch(pdispparams->cArgs)
+			{
+			case 1:
+				s.filename = pdispparams->rgvarg[0].bstrVal;
+				break;
+			case 2:
+				s.filename = pdispparams->rgvarg[1].bstrVal;
+				s.title    = pdispparams->rgvarg[0].bstrVal;
+				break;
+			case 3:
+				s.filename = pdispparams->rgvarg[2].bstrVal;
+				s.title    = pdispparams->rgvarg[1].bstrVal;
+				s.length   = pdispparams->rgvarg[0].lVal;
+				break;
+			}
+
+			s.ext = NULL;
+
+			SendMessageW( hMainWindow, WM_WA_IPC, (WPARAM)&s, IPC_ENQUEUEFILEW );
+
+			return S_OK;
+		}
+	case DISP_MEDIACORE_ISREGISTEREDEXTENSION:
+	{
+		bool isReg = false;
+		if (pdispparams->cArgs == 1)
+		{
+			const wchar_t *filename = pdispparams->rgvarg[0].bstrVal;
+			int start_offs=0;
+			In_Module *i = in_setmod_noplay(filename, &start_offs);
+			if (i)
+				isReg = true;
+		}
+		VariantInit(pvarResult);
+		V_VT(pvarResult) = VT_BOOL;
+		V_BOOL(pvarResult) = (false != isReg) ? VARIANT_TRUE : VARIANT_FALSE;
+		return S_OK;
+	}
+	break;
+
+	case DISP_MEDIACORE_GETMETADATA:
+		JSAPI_VERIFY_METHOD(wFlags);
+		JSAPI_VERIFY_PARAMCOUNT(pdispparams, 2);
+		JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
+		JSAPI_VERIFY_PARAMTYPE(pdispparams, 2, VT_BSTR, puArgErr);
+
+		JSAPI_INIT_RESULT(pvarResult, VT_BSTR);
+	
+		{		
+			wchar_t buffer[4096] = {0};
+			extendedFileInfoStructW info = {0};
+
+			info.filename = JSAPI_PARAM(pdispparams, 1).bstrVal;
+			info.metadata = JSAPI_PARAM(pdispparams, 2).bstrVal;
+			info.ret = buffer;
+			info.retlen = sizeof(buffer)/sizeof(*buffer);
+
+			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;
+
+	case DISP_MEDIACORE_REGISTER_CALLBACK:
+		return coreCallbacks.RegisterFromDispParam(pdispparams, 0, puArgErr);
+		
+	case DISP_MEDIACORE_UNREGISTER_CALLBACK:
+		return coreCallbacks.UnregisterFromDispParam(pdispparams, 0, puArgErr);
+
+	case DISP_MEDIACORE_PAUSE:
+		PausePlaying();
+		return S_OK;
+	case DISP_MEDIACORE_RESUME:
+		UnPausePlaying();
+		return S_OK;
+	case DISP_MEDIACORE_VOLUME:
+		{
+			if (wFlags & DISPATCH_PROPERTYPUT)
+			{
+				JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
+				JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_I4, puArgErr);
+
+				SendMessageW(hMainWindow, WM_WA_IPC, JSAPI_PARAM(pdispparams, 1).lVal, IPC_SETVOLUME);
+
+				return S_OK;
+			}
+			else if (wFlags & DISPATCH_PROPERTYGET)
+			{
+				JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
+				VariantInit(pvarResult);
+				V_VT(pvarResult) = VT_I4;
+				V_I4(pvarResult) = SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)-666, IPC_SETVOLUME);
+				return S_OK;
+			}
+		}
+		break;
+
+	}
+	return DISP_E_MEMBERNOTFOUND;
+}
+
+STDMETHODIMP MediaCoreCOM::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 MediaCoreCOM::AddRef(void)
+{
+	return 0;
+}
+
+ULONG MediaCoreCOM::Release(void)
+{
+	return 0;
+}
+
+void CallDispatchMethod(IDispatch *dispatch, DISPPARAMS &params, OLECHAR *name)
+{
+	unsigned int ret;
+	DISPID dispid;
+
+	if (NULL == dispatch)
+		return;
+
+	if (!(config_no_visseh&8))
+	{
+		__try
+		{
+			if (SUCCEEDED(dispatch->GetIDsOfNames(IID_NULL, &name, 1, LOCALE_SYSTEM_DEFAULT, &dispid)))
+				dispatch->Invoke(dispid, GUID_NULL, 0, DISPATCH_METHOD, &params, 0, 0, &ret);
+		} 
+		__except(EXCEPTION_EXECUTE_HANDLER)
+		{
+		}
+	}
+	else
+	{
+		if (SUCCEEDED(dispatch->GetIDsOfNames(IID_NULL, &name, 1, LOCALE_SYSTEM_DEFAULT, &dispid)))
+			dispatch->Invoke(dispid, GUID_NULL, 0, DISPATCH_METHOD, &params, 0, 0, &ret);
+	}
+}
+
+static void Play_NotifyCb(IDispatch *dispatch, void *param)
+{
+	UNREFERENCED_PARAMETER(param);
+
+	DISPPARAMS params;
+
+	if (NULL == dispatch)
+		return;
+	
+	params.cArgs = 0;
+	params.cNamedArgs = 0;
+	params.rgdispidNamedArgs = 0;
+	params.rgvarg = 0;
+	
+	CallDispatchMethod(dispatch, params, L"OnPlay");
+}
+
+struct StopNotifyParam
+{
+	DISPPARAMS params;
+	VARIANT arguments[2];
+
+	StopNotifyParam(int last_time, int fullstop)
+	{
+		VariantInit(&arguments[0]);
+		V_VT(&arguments[0]) = VT_BOOL;
+		V_BOOL(&arguments[0]) = (0 != fullstop) ? VARIANT_TRUE : VARIANT_FALSE;
+
+		VariantInit(&arguments[1]);
+		V_VT(&arguments[1]) = VT_I4;
+		V_I4(&arguments[1]) = last_time;
+
+		params.cArgs = ARRAYSIZE(arguments);
+		params.cNamedArgs = 0;
+		params.rgdispidNamedArgs = NULL;
+		params.rgvarg = arguments;
+	}
+};
+
+static void Stop_NotifyCb(IDispatch *dispatch, void *param)
+{
+	StopNotifyParam *stopParams = (StopNotifyParam*)param;
+
+	if (NULL == dispatch ||
+		NULL == stopParams)
+	{
+		return;
+	}
+	
+	CallDispatchMethod(dispatch, stopParams->params, L"OnStop");
+}
+
+static void Stop_FreeCb(void *param)
+{
+	StopNotifyParam *stopParam;
+	stopParam = (StopNotifyParam*)param;
+
+	if (NULL != stopParam)
+		delete(stopParam);
+}
+
+static void Pause_NotifyCb(IDispatch *dispatch, void *param)
+{
+	UNREFERENCED_PARAMETER(param);
+
+	DISPPARAMS params;
+
+	if (NULL == dispatch)
+		return;
+	
+	params.cArgs = 0;
+	params.cNamedArgs = 0;
+	params.rgdispidNamedArgs = 0;
+	params.rgvarg = 0;
+	
+	CallDispatchMethod(dispatch, params, L"OnPause");
+}
+
+static void Resume_NotifyCb(IDispatch *dispatch, void *param)
+{
+	UNREFERENCED_PARAMETER(param);
+
+	DISPPARAMS params;
+
+	if (NULL == dispatch)
+		return;
+	
+	params.cArgs = 0;
+	params.cNamedArgs = 0;
+	params.rgdispidNamedArgs = 0;
+	params.rgvarg = 0;
+	
+	CallDispatchMethod(dispatch, params, L"OnResume");
+}
+
+void MediaCoreCOM::OnPlay()
+{
+	coreCallbacks.Notify(Play_NotifyCb, NULL, NULL);
+}
+
+void MediaCoreCOM::OnStop(int last_time, int fullstop)
+{
+	StopNotifyParam *param;
+
+	param = new StopNotifyParam(last_time, fullstop);
+	if (NULL == param)
+		return;
+
+	coreCallbacks.Notify(Stop_NotifyCb, Stop_FreeCb, param);
+}
+
+void MediaCoreCOM::OnPause()
+{
+	coreCallbacks.Notify(Pause_NotifyCb, NULL, NULL);
+}
+void MediaCoreCOM::OnResume()
+{
+	coreCallbacks.Notify(Resume_NotifyCb, NULL, NULL);
+}