EventMap.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __viewer_EventMap_h__
#define __viewer_EventMap_h__

namespace fe
{
namespace ext
{

typedef std::list<sp<Layout> >              t_layout_list;
typedef std::map<I32, t_layout_list >       t_state_layout;
typedef std::map<I32, t_state_layout >      t_item_state;
typedef std::map<I32, t_item_state >        t_source_item;

/** Maps WindowEvent signals to Layouts.

    If a signal matches a bound WindowEvent pattern a record of
    the corresponding Layout is created and signaled.  If the layout
    has an AsSignal::event attribute, then that attribute is set to the
    matched WindowEvent.

    @copydoc EventMap_info
    */
class EventMap :
    public ChainSignaler,
    virtual public HandlerI,
    virtual public EventMapI,
    public Initialize<EventMap>
{
    public:
                EventMap(void);
virtual         ~EventMap(void);
virtual void    initialize(void);

virtual void    handleBind( fe::sp<SignalerI> spSignalerI,
                        fe::sp<Layout> spLayout);
virtual void    handle( fe::Record &record);
virtual void    bind(   WindowEvent::Source source,
                        WindowEvent::Item item,
                        WindowEvent::State state,
                        sp<Layout> resultSignalLayout);

    private:
        void    handleSource(WindowEvent &wev, t_source_item &sourceMap);
        void    handleItem(WindowEvent &wev, t_item_state &itemMap);
        void    handleState(WindowEvent &wev, t_state_layout &stateMap);
        void    fireSignal(WindowEvent &wev, t_layout_list &layouts);
    private:
        t_source_item       m_sourceMap;
        sp<Scope>           m_spScope;
        hp<SignalerI>       m_spSignaler;
        AsSignal            m_asSignal;

};

} /* namespace ext */
} /* namespace fe */

#endif /* __viewer_EventMap_h__ */