#include "global.h"
#include "ScreenReloadSongs.h"
#include "ScreenManager.h"
#include "SongManager.h"
#include "UnlockManager.h"
#include "RageTimer.h"
#include "RageLog.h"
#include "ThemeManager.h"
#include "ScreenDimensions.h"

#include "arch/LoadingWindow/LoadingWindow.h"

static const int DrawFrameRate = 20;
class ScreenReloadSongsLoadingWindow: public LoadingWindow
{
	RageTimer m_LastDraw;
	BitmapText &m_BitmapText;

public:
	ScreenReloadSongsLoadingWindow( BitmapText &bt ):
		m_BitmapText(bt)
	{
	}

	void SetText( RString str )
	{
		m_BitmapText.SetText( str );
		Paint();
	}

	void Paint()
	{
		/* We load songs much faster than we draw frames.  Cap the draw rate, so we don't
		 * slow down the reload. */
		if( m_LastDraw.PeekDeltaTime() < 1.0f/DrawFrameRate )
			return;
		m_LastDraw.GetDeltaTime();

		SCREENMAN->Draw();
	}
};

/* This could be cleaned up: show progress, for example.  Let's not use
 * this for the initial load, since we don't want to start up the display
 * until we finish loading songs; that way, people can continue to use their
 * computer while songs load. */
REGISTER_SCREEN_CLASS( ScreenReloadSongs );

void ScreenReloadSongs::Init()
{
	Screen::Init();

	m_iUpdates = 0;

	m_Loading.LoadFromFont( THEME->GetPathF("Common", "normal") );
	m_Loading.SetXY( SCREEN_CENTER_X, SCREEN_CENTER_Y );
	this->AddChild( &m_Loading );

	m_LoadingWindow = new ScreenReloadSongsLoadingWindow( m_Loading );
}

ScreenReloadSongs::~ScreenReloadSongs()
{
	delete m_LoadingWindow;
}


void ScreenReloadSongs::Update( float fDeltaTime )
{
	Screen::Update( fDeltaTime );

	/* Start the reload on the second update.  On the first, 0, SCREENMAN->Draw won't draw. */
	++m_iUpdates;
	if( m_iUpdates != 2 )
		return;
	ASSERT( !IsFirstUpdate() );

	SONGMAN->Reload( false, m_LoadingWindow );
	UNLOCKMAN->UpdateCachedPointers();

	SCREENMAN->PostMessageToTopScreen( SM_GoToNextScreen, 0 );
}

/*
 * (c) 2003-2004 Glenn Maynard
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
