mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-29 00:26:06 +00:00
399 lines
9.2 KiB
C++
399 lines
9.2 KiB
C++
/** (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 "MediaCoreCOM.h"
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#include "jsapi.h"
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enum
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{
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DISP_MEDIACORE_ISREGISTEREDEXTENSION = 777,
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DISP_MEDIACORE_GETMETADATA,
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DISP_MEDIACORE_REGISTER_CALLBACK,
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DISP_MEDIACORE_UNREGISTER_CALLBACK,
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DISP_MEDIACORE_PLAY,
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DISP_MEDIACORE_ENQUEUE,
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DISP_MEDIACORE_PAUSE,
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DISP_MEDIACORE_RESUME,
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DISP_MEDIACORE_VOLUME,
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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 MediaCoreCOM::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("IsRegisteredExtension", DISP_MEDIACORE_ISREGISTEREDEXTENSION)
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CHECK_ID("GetMetadata", DISP_MEDIACORE_GETMETADATA)
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CHECK_ID("RegisterCallback", DISP_MEDIACORE_REGISTER_CALLBACK)
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CHECK_ID("UnregisterCallback", DISP_MEDIACORE_UNREGISTER_CALLBACK)
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CHECK_ID("Play", DISP_MEDIACORE_PLAY)
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CHECK_ID("Enqueue", DISP_MEDIACORE_ENQUEUE)
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CHECK_ID("Pause", DISP_MEDIACORE_PAUSE)
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CHECK_ID("Resume", DISP_MEDIACORE_RESUME)
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CHECK_ID("volume", DISP_MEDIACORE_VOLUME)
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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 MediaCoreCOM::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 MediaCoreCOM::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 MediaCoreCOM::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(pexecinfo);
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switch (dispid)
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{
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case DISP_MEDIACORE_PLAY:
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{
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if (pdispparams->cArgs < 1 || pdispparams->cArgs > 3)
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return DISP_E_BADPARAMCOUNT;
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/* we're probably not on the main thread, so we'll have to get onto the main thread */
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// TODO: APC this instead of SendMessageW
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enqueueFileWithMetaStructW s = {0,0,0,0};
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SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_DELETE);
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switch(pdispparams->cArgs)
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{
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case 1:
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s.filename = pdispparams->rgvarg[0].bstrVal;
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break;
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case 2:
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s.filename = pdispparams->rgvarg[1].bstrVal;
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s.title = pdispparams->rgvarg[0].bstrVal;
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break;
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case 3:
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s.filename = pdispparams->rgvarg[2].bstrVal;
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s.title = pdispparams->rgvarg[1].bstrVal;
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s.length = pdispparams->rgvarg[0].lVal;
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break;
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}
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s.ext = NULL;
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SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)&s, IPC_PLAYFILEW);
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SendMessageW(hMainWindow, WM_WA_IPC, 0, IPC_STARTPLAY);
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return S_OK;
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}
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case DISP_MEDIACORE_ENQUEUE:
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{
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if (pdispparams->cArgs < 1 || pdispparams->cArgs > 3)
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return DISP_E_BADPARAMCOUNT;
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/* we're probably not on the main thread, so we'll have to get onto the main thread */
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// TODO: APC this instead of SendMessageW
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enqueueFileWithMetaStructW s = {0,0,0,0};
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switch(pdispparams->cArgs)
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{
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case 1:
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s.filename = pdispparams->rgvarg[0].bstrVal;
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break;
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case 2:
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s.filename = pdispparams->rgvarg[1].bstrVal;
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s.title = pdispparams->rgvarg[0].bstrVal;
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break;
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case 3:
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s.filename = pdispparams->rgvarg[2].bstrVal;
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s.title = pdispparams->rgvarg[1].bstrVal;
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s.length = pdispparams->rgvarg[0].lVal;
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break;
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}
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s.ext = NULL;
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SendMessageW( hMainWindow, WM_WA_IPC, (WPARAM)&s, IPC_ENQUEUEFILEW );
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return S_OK;
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}
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case DISP_MEDIACORE_ISREGISTEREDEXTENSION:
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{
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bool isReg = false;
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if (pdispparams->cArgs == 1)
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{
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const wchar_t *filename = pdispparams->rgvarg[0].bstrVal;
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int start_offs=0;
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In_Module *i = in_setmod_noplay(filename, &start_offs);
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if (i)
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isReg = true;
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}
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_BOOL;
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V_BOOL(pvarResult) = (false != isReg) ? VARIANT_TRUE : VARIANT_FALSE;
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return S_OK;
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}
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break;
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case DISP_MEDIACORE_GETMETADATA:
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JSAPI_VERIFY_METHOD(wFlags);
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JSAPI_VERIFY_PARAMCOUNT(pdispparams, 2);
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JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr);
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JSAPI_VERIFY_PARAMTYPE(pdispparams, 2, 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 = {0};
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info.filename = JSAPI_PARAM(pdispparams, 1).bstrVal;
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info.metadata = JSAPI_PARAM(pdispparams, 2).bstrVal;
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info.ret = buffer;
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info.retlen = sizeof(buffer)/sizeof(*buffer);
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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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}
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return S_OK;
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case DISP_MEDIACORE_REGISTER_CALLBACK:
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return coreCallbacks.RegisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_MEDIACORE_UNREGISTER_CALLBACK:
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return coreCallbacks.UnregisterFromDispParam(pdispparams, 0, puArgErr);
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case DISP_MEDIACORE_PAUSE:
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PausePlaying();
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return S_OK;
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case DISP_MEDIACORE_RESUME:
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UnPausePlaying();
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return S_OK;
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case DISP_MEDIACORE_VOLUME:
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{
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if (wFlags & DISPATCH_PROPERTYPUT)
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{
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JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
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JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_I4, puArgErr);
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SendMessageW(hMainWindow, WM_WA_IPC, JSAPI_PARAM(pdispparams, 1).lVal, IPC_SETVOLUME);
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return S_OK;
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}
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else if (wFlags & DISPATCH_PROPERTYGET)
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{
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JSAPI_VERIFY_PARAMCOUNT(pdispparams, 0);
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VariantInit(pvarResult);
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V_VT(pvarResult) = VT_I4;
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V_I4(pvarResult) = SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)-666, IPC_SETVOLUME);
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return S_OK;
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}
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}
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break;
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}
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return DISP_E_MEMBERNOTFOUND;
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}
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STDMETHODIMP MediaCoreCOM::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 MediaCoreCOM::AddRef(void)
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{
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return 0;
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}
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ULONG MediaCoreCOM::Release(void)
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{
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return 0;
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}
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void CallDispatchMethod(IDispatch *dispatch, DISPPARAMS ¶ms, OLECHAR *name)
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{
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unsigned int ret;
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DISPID dispid;
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if (NULL == dispatch)
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return;
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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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if (SUCCEEDED(dispatch->GetIDsOfNames(IID_NULL, &name, 1, LOCALE_SYSTEM_DEFAULT, &dispid)))
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dispatch->Invoke(dispid, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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}
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}
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else
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{
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if (SUCCEEDED(dispatch->GetIDsOfNames(IID_NULL, &name, 1, LOCALE_SYSTEM_DEFAULT, &dispid)))
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dispatch->Invoke(dispid, GUID_NULL, 0, DISPATCH_METHOD, ¶ms, 0, 0, &ret);
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}
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}
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static void Play_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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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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CallDispatchMethod(dispatch, params, L"OnPlay");
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}
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struct StopNotifyParam
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{
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DISPPARAMS params;
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VARIANT arguments[2];
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StopNotifyParam(int last_time, int fullstop)
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{
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VariantInit(&arguments[0]);
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V_VT(&arguments[0]) = VT_BOOL;
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V_BOOL(&arguments[0]) = (0 != fullstop) ? VARIANT_TRUE : VARIANT_FALSE;
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VariantInit(&arguments[1]);
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V_VT(&arguments[1]) = VT_I4;
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V_I4(&arguments[1]) = last_time;
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params.cArgs = ARRAYSIZE(arguments);
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params.cNamedArgs = 0;
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params.rgdispidNamedArgs = NULL;
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params.rgvarg = arguments;
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}
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};
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static void Stop_NotifyCb(IDispatch *dispatch, void *param)
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{
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StopNotifyParam *stopParams = (StopNotifyParam*)param;
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if (NULL == dispatch ||
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NULL == stopParams)
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{
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return;
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}
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CallDispatchMethod(dispatch, stopParams->params, L"OnStop");
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}
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static void Stop_FreeCb(void *param)
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{
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StopNotifyParam *stopParam;
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stopParam = (StopNotifyParam*)param;
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if (NULL != stopParam)
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delete(stopParam);
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}
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static void Pause_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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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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CallDispatchMethod(dispatch, params, L"OnPause");
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}
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static void Resume_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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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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CallDispatchMethod(dispatch, params, L"OnResume");
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}
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void MediaCoreCOM::OnPlay()
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{
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coreCallbacks.Notify(Play_NotifyCb, NULL, NULL);
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}
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void MediaCoreCOM::OnStop(int last_time, int fullstop)
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{
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StopNotifyParam *param;
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param = new StopNotifyParam(last_time, fullstop);
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if (NULL == param)
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return;
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coreCallbacks.Notify(Stop_NotifyCb, Stop_FreeCb, param);
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}
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void MediaCoreCOM::OnPause()
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{
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coreCallbacks.Notify(Pause_NotifyCb, NULL, NULL);
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}
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void MediaCoreCOM::OnResume()
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{
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coreCallbacks.Notify(Resume_NotifyCb, NULL, NULL);
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}
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