/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
 * Copyright (C) 2014 KiCad Developers, see CHANGELOG.TXT for contributors.
 *
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */



#include <kiway_player.h>
#include <kiway_express.h>
#include <kiway.h>
#include <id.h>
#include <typeinfo>
#include <wx/utils.h>


BEGIN_EVENT_TABLE( KIWAY_PLAYER, EDA_BASE_FRAME )
    EVT_KIWAY_EXPRESS( KIWAY_PLAYER::kiway_express )
    EVT_MENU_RANGE( ID_LANGUAGE_CHOICE, ID_LANGUAGE_CHOICE_END, KIWAY_PLAYER::language_change )
END_EVENT_TABLE()


KIWAY_PLAYER::KIWAY_PLAYER( KIWAY* aKiway, wxWindow* aParent, FRAME_T aFrameType,
        const wxString& aTitle, const wxPoint& aPos, const wxSize& aSize,
        long aStyle, const wxString& aWdoName ) :
    EDA_BASE_FRAME( aParent, aFrameType, aTitle, aPos, aSize, aStyle, aWdoName ),
    KIWAY_HOLDER( aKiway ),
    m_modal_dismissed( 0 )
{
    DBG( printf("KIWAY_EXPRESS::wxEVENT_ID:%d\n", KIWAY_EXPRESS::wxEVENT_ID );)
    //Connect( KIWAY_EXPRESS::wxEVENT_ID, wxKiwayExressHandler( KIWAY_PLAYER::kiway_express ) );
}


KIWAY_PLAYER::KIWAY_PLAYER( wxWindow* aParent, wxWindowID aId, const wxString& aTitle,
        const wxPoint& aPos, const wxSize& aSize, long aStyle,
        const wxString& aWdoName ) :
    EDA_BASE_FRAME( aParent, (FRAME_T) aId, aTitle, aPos, aSize, aStyle, aWdoName ),
    KIWAY_HOLDER( 0 ),
    m_modal_dismissed( 0 )
{
    DBG( printf("KIWAY_EXPRESS::wxEVENT_ID:%d\n", KIWAY_EXPRESS::wxEVENT_ID );)
    //Connect( KIWAY_EXPRESS::wxEVENT_ID, wxKiwayExressHandler( KIWAY_PLAYER::kiway_express ) );
}


KIWAY_PLAYER::~KIWAY_PLAYER(){}


void KIWAY_PLAYER::KiwayMailIn( KIWAY_EXPRESS& aEvent )
{
    // override this in derived classes.
}


bool KIWAY_PLAYER::ShowModal( wxString* aResult )
{
    /*
        This function has a nice interface but an unsightly implementation.
        Now it is encapsulated, making it easier to improve.  I am not sure
        a wxSemaphore was needed, especially since no blocking happens.  It seems
        like a volatile bool is sufficient.

        It works in tandem with DismissModal().  But only ShowModal() is in the
        vtable and therefore cross-module capable.
   */

    volatile bool   dismissed = false;

    // disable all frames except the modal one, re-enable on exit, exception safe.
    wxWindowDisabler    toggle( this );

    m_modal_dismissed = &dismissed;

    Show( true );
    Raise();

    // Wait for the one and only active frame to call DismissModal() from
    // some concluding event.
    while( !dismissed )
    {
        wxYield();
        wxMilliSleep( 50 );
    }

    // no longer modal, not to mention that the pointer would be invalid outside this scope.
    m_modal_dismissed = NULL;

    if( aResult )
        *aResult = m_modal_string;

    return m_modal_ret_val;
}


bool KIWAY_PLAYER::IsDismissed()
{
    // if already dismissed, then m_modal_dismissed may be NULL, and if not,
    // it can still be dismissed if the bool is true.
    bool ret = !m_modal_dismissed || *m_modal_dismissed;

    return ret;
}


void KIWAY_PLAYER::DismissModal( bool aRetVal, const wxString& aResult )
{
    m_modal_ret_val = aRetVal;
    m_modal_string  = aResult;

    if( m_modal_dismissed )
        *m_modal_dismissed = true;
}


void KIWAY_PLAYER::kiway_express( KIWAY_EXPRESS& aEvent )
{
    // logging support
#if defined(DEBUG)
    const char* class_name = typeid( this ).name();

    printf( "%s: received cmd:%d  pay:'%s'\n", class_name,
        aEvent.Command(), aEvent.GetPayload().c_str() );
#endif

    KiwayMailIn( aEvent );     // call the virtual, override in derived.
}


void KIWAY_PLAYER::language_change( wxCommandEvent& event )
{
    int id = event.GetId();

    // tell all the KIWAY_PLAYERs about the language change.
    Kiway().SetLanguage( id );
}