/*
    irqs.cpp
    Copyright (C) 2007 Acekard, www.acekard.com
    Copyright (C) 2007-2009 somebody
    Copyright (C) 2009 yellow wood goblin

    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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "irqs.h"
#include "dbgtool.h"
#include "userinput.h"
#include "windowmanager.h"
#include "diskicon.h"
#include "calendarwnd.h"
#include "calendar.h"
#include "bigclock.h"
#include "timer.h"
#include "animation.h"
#include "files.h"
#include "userwnd.h"

using namespace akui;


bool cIRQ::_vblankStarted(false);

void cIRQ::init()
{
    irqSet( IRQ_VBLANK, vBlank );
    irqSet( IRQ_CARD_LINE, cardMC );
}

void cIRQ::cardMC()
{
    dbg_printf("cardMC\n");
    diskIcon().blink();
    REG_IF &= ~IRQ_CARD_LINE;
}

void cIRQ::vblankStart()
{
    _vblankStarted = true;
}

void cIRQ::vblankStop()
{
    _vblankStarted = false;
}

void cIRQ::vBlank()
{
    if( !_vblankStarted )
        return;

    // get inputs when file copying because the main route
    // can't do any thing at that time
    if( true == copyingFile) {
        if( false == stopCopying ) {
            INPUT & input = updateInput();
            if( (input.keysDown & KEY_B) ) {
                stopCopying = true;
            }
        }
    }

    timer().updateTimer();

    static u32 vBlankCounter = 0;

    if( vBlankCounter++ > 30 ) {
        vBlankCounter = 0;
        bigClock().blinkColon();
        calendarWnd().draw();
        calendar().draw();
        bigClock().draw();
        userWindow().draw();
#if 0
        char fpsText[16];
        sprintf( fpsText, "fps %.2f\n", timer().getFps() );
        gdi().setPenColor( 1, GE_SUB );
        gdi().textOut( 40, 178, fpsText, GE_SUB );
#endif

        gdi().present( GE_SUB );
    }

    animationManager().update();

    if( REG_ROMCTRL & CARD_BUSY )
        diskIcon().turnOn();
    else
        diskIcon().turnOff();
}