dataobject.h
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:3k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * persiststorage.h: ActiveX control for VLC
- *****************************************************************************
- * Copyright (C) 2005 VideoLAN
- *
- * Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef __DATAOBJECT_H__
- #define __DATAOBJECT_H__
- #include <objidl.h>
- #include <vector>
- class VLCDataObject : public IDataObject
- {
- public:
- VLCDataObject(VLCPlugin *p_instance);
- virtual ~VLCDataObject();
- // IUnknown methods
- STDMETHODIMP QueryInterface(REFIID riid, void **ppv)
- {
- if( NULL == ppv)
- return E_POINTER;
- if( (IID_IUnknown == riid)
- || (IID_IDataObject == riid) ) {
- AddRef();
- *ppv = reinterpret_cast<LPVOID>(this);
- return NOERROR;
- }
- return _p_instance->pUnkOuter->QueryInterface(riid, ppv);
- };
- STDMETHODIMP_(ULONG) AddRef(void) { return _p_instance->pUnkOuter->AddRef(); };
- STDMETHODIMP_(ULONG) Release(void) { return _p_instance->pUnkOuter->Release(); };
- // IDataObject methods
- STDMETHODIMP DAdvise(LPFORMATETC,DWORD,LPADVISESINK,LPDWORD);
- STDMETHODIMP DUnadvise(DWORD);
- STDMETHODIMP EnumDAdvise(IEnumSTATDATA**);
- STDMETHODIMP EnumFormatEtc(DWORD, IEnumFORMATETC**);
- STDMETHODIMP GetCanonicalFormatEtc(LPFORMATETC,LPFORMATETC);
- STDMETHODIMP GetData(LPFORMATETC,LPSTGMEDIUM);
- STDMETHODIMP GetDataHere(LPFORMATETC,LPSTGMEDIUM);
- STDMETHODIMP QueryGetData(LPFORMATETC);
- STDMETHODIMP SetData(LPFORMATETC,LPSTGMEDIUM,BOOL);
- void onClose(void);
- private:
- HRESULT getMetaFileData(LPFORMATETC pFormatEtc, LPSTGMEDIUM pMedium);
- HRESULT getEnhMetaFileData(LPFORMATETC pFormatEtc, LPSTGMEDIUM pMedium);
- VLCPlugin *_p_instance;
- std::vector<FORMATETC> _v_formatEtc;
- IDataAdviseHolder *_p_adviseHolder;
- };
- #endif