Informant.h

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/*
 * Copyright (c) 2005 Palmsource, Inc.
 * 
 * This software is licensed as described in the file LICENSE, which
 * you should have received as part of this distribution. The terms
 * are also available at http://www.openbinder.org/license.html.
 * 
 * This software consists of voluntary contributions made by many
 * individuals. For the exact contribution history, see the revision
 * history and logs, available at http://www.openbinder.org
 */

#ifndef _SERVICES_INFORMANT_H
#define _SERVICES_INFORMANT_H

#include <services/IInformant.h>
#include <support/Locker.h>
#include <support/Handler.h>

#if _SUPPORTS_NAMESPACE
using namespace palmos::support;
using namespace palmos::services;
#endif

struct _InformantData;


class BInformant : public BnInformant, public BHandler
{
public:

                        BInformant();
                        BInformant(const SContext& context);
    
    virtual status_t    RegisterForCallback(    const SValue &key,
                                                const sptr<IBinder>& target,
                                                const SValue &method,
                                                uint32_t flags = 0,
                                                const SValue &cookie = B_UNDEFINED_VALUE);
    
    virtual status_t    RegisterForCreation(    const SValue &key,
                                                const sptr<INode>& context,
                                                const sptr<IProcess>& process,
                                                const SString &component,
                                                const SValue &interface,
                                                const SValue &method,
                                                uint32_t flags,
                                                const SValue &cookie);
    
    virtual status_t    UnregisterForCallback(  const SValue &key,
                                                const sptr<IBinder>& target,
                                                const SValue &method,
                                                uint32_t flags);
                                                
    virtual status_t    UnregisterForCreation(  const SValue &key,
                                                const sptr<INode>& context,
                                                const sptr<IProcess>& process,
                                                const SString &component,
                                                const SValue &inspect,
                                                const SValue &method,
                                                uint32_t flags);
    
protected:
    virtual status_t    Inform(const SValue &key, const SValue &information);


    // no user servicable parts below
    virtual             ~BInformant();
    
    virtual void        InitAtom();
    virtual status_t    FinishAtom(const void *id);
            
public: // so as to not have friends, don't use this
    virtual status_t    HandleMessage(const SMessage &msg);

private:
    explicit BInformant(const BInformant &); // unimplemented
    
    _InformantData * m_data;
};


#endif // _SERVICES_INFORMANT_H

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