olecontrol.h 2.14 KB
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/*****************************************************************************
 * olecontrol.h: ActiveX control for VLC
 *****************************************************************************
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 * Copyright (C) 2005 the VideoLAN team
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 *
 * 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
Antoine Cellerier's avatar
Antoine Cellerier committed
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

#ifndef __OLECONTROL_H__
#define __OLECONTROL_H__

#include <olectl.h>

class VLCOleControl : public IOleControl
{

public:

    VLCOleControl(VLCPlugin *p_instance) : _p_instance(p_instance) {};
    virtual ~VLCOleControl() {};

    // IUnknown methods
    STDMETHODIMP QueryInterface(REFIID riid, void **ppv)
    {
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        if( NULL == ppv )
            return E_POINTER;
        if( (IID_IUnknown == riid)
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         || (IID_IOleControl == riid) )
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        {
            AddRef();
            *ppv = reinterpret_cast<LPVOID>(this);
            return NOERROR;
        }
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        return _p_instance->pUnkOuter->QueryInterface(riid, ppv);
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    };

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    STDMETHODIMP_(ULONG) AddRef(void) { return _p_instance->pUnkOuter->AddRef(); };
    STDMETHODIMP_(ULONG) Release(void) { return _p_instance->pUnkOuter->Release(); };
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    // IOleControl methods
    STDMETHODIMP GetControlInfo(CONTROLINFO *pCI);
    STDMETHODIMP OnMnemonic(LPMSG pMsg);
    STDMETHODIMP OnAmbientPropertyChange(DISPID dispID);
    STDMETHODIMP FreezeEvents(BOOL bFreeze);

private:

    VLCPlugin *_p_instance;
};

#endif