mirror of https://code.videolan.org/videolan/vlc
109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
/*****************************************************************************
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* persiststorage.cpp: ActiveX control for VLC
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*****************************************************************************
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* Copyright (C) 2005 the VideoLAN team
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*
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* Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#include "plugin.h"
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#include "persiststorage.h"
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using namespace std;
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STDMETHODIMP VLCPersistStorage::GetClassID(LPCLSID pClsID)
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{
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if( NULL == pClsID )
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return E_POINTER;
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*pClsID = _p_instance->getClassID();
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return S_OK;
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};
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STDMETHODIMP VLCPersistStorage::IsDirty(void)
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{
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return _p_instance->isDirty() ? S_OK : S_FALSE;
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};
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STDMETHODIMP VLCPersistStorage::InitNew(LPSTORAGE pStg)
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{
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return _p_instance->onInit();
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};
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STDMETHODIMP VLCPersistStorage::Load(LPSTORAGE pStg)
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{
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if( NULL == pStg )
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return E_INVALIDARG;
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LPSTREAM pStm = NULL;
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HRESULT result = pStg->OpenStream(L"VideoLAN ActiveX Plugin Data", NULL,
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STGM_READ|STGM_SHARE_EXCLUSIVE, 0, &pStm);
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if( FAILED(result) )
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return result;
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LPPERSISTSTREAMINIT pPersistStreamInit;
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if( SUCCEEDED(QueryInterface(IID_IPersistStreamInit, (void **)&pPersistStreamInit)) )
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{
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result = pPersistStreamInit->Load(pStm);
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pPersistStreamInit->Release();
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}
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pStm->Release();
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return result;
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};
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STDMETHODIMP VLCPersistStorage::Save(LPSTORAGE pStg, BOOL fSameAsLoad)
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{
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if( NULL == pStg )
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return E_INVALIDARG;
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if( fSameAsLoad && (S_FALSE == IsDirty()) )
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return S_OK;
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LPSTREAM pStm = NULL;
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HRESULT result = pStg->CreateStream(L"VideoLAN ActiveX Plugin Data",
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STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, 0, &pStm);
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if( FAILED(result) )
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return result;
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LPPERSISTSTREAMINIT pPersistStreamInit;
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if( SUCCEEDED(QueryInterface(IID_IPersistStreamInit, (void **)&pPersistStreamInit)) )
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{
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result = pPersistStreamInit->Save(pStm, fSameAsLoad);
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pPersistStreamInit->Release();
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}
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pStm->Release();
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return result;
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};
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STDMETHODIMP VLCPersistStorage::SaveCompleted(IStorage *pStg)
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{
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return S_OK;
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};
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STDMETHODIMP VLCPersistStorage::HandsOffStorage(void)
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{
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return S_OK;
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};
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