DisplayAttributeProvider.h

//
//	Copyright (C) 2013 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
//
//	This library is free software; you can redistribute it and/or
//	modify it under the terms of the GNU Library General Public
//	License as published by the Free Software Foundation; either
//	version 2 of the License, or (at your option) any later version.
//
//	This library 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
//	Library General Public License for more details.
//
//	You should have received a copy of the GNU Library General Public
//	License along with this library; if not, write to the
//	Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
//	Boston, MA  02110-1301, USA.
//

#ifndef IME_DISPLAY_ATTRIBUTE_PROVIDER_H
#define IME_DISPLAY_ATTRIBUTE_PROVIDER_H

#include <msctf.h>
#include <list>
#include "ComPtr.h"

namespace Ime {

class ImeModule;
class DisplayAttributeInfo;

class DisplayAttributeProvider : public ITfDisplayAttributeProvider {
public:

	friend class DisplayAttributeInfoEnum;

	DisplayAttributeProvider(ImeModule* module);

	// COM stuff

    // IUnknown
    STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj);
	STDMETHODIMP_(ULONG) AddRef(void);
	STDMETHODIMP_(ULONG) Release(void);

	// ITfDisplayAttributeProvider
    STDMETHODIMP EnumDisplayAttributeInfo(IEnumTfDisplayAttributeInfo **ppEnum);
    STDMETHODIMP GetDisplayAttributeInfo(REFGUID guidInfo, ITfDisplayAttributeInfo **ppInfo);

protected: // COM object should not be deleted directly. calling Release() instead.
	virtual ~DisplayAttributeProvider(void);

private:
	int refCount_;
	ComPtr<ImeModule> imeModule_;
};

}

#endif