#include <aladin/splash.hpp>
#include <aladin/prodinfo.hpp>
#include <common/resbmp.hpp>
#include <common/bitmap.hpp>
#include <common/assert.hpp>
#include <jpgimg/dib24.hpp>

char SplashScreen::szClassName[]="SplashScreen";

SplashScreen::SplashScreen(const String &strBitmap,const String &strCaption,const String &strTitle,UINT timeout) 
: mBitmapName(strBitmap), mStrCaption(strCaption), mStrTitle(strTitle), mTimeout(timeout),
  mTextFont("Helv",8,Font::PitchVariable|Font::FamilySwiss,Font::WeightBold)
{
  mResBitmap=new ResBitmap(mBitmapName);
	mResBitmap.disposition(PointerDisposition::Delete);
  mCreateHandler.setCallback(this,&SplashScreen::createHandler);
	mPaintHandler.setCallback(this,&SplashScreen::paintHandler);
	mDestroyHandler.setCallback(this,&SplashScreen::destroyHandler);
	mPaletteChangedHandler.setCallback(this,&SplashScreen::paletteChangedHandler);
	mSetFocusHandler.setCallback(this,&SplashScreen::setFocusHandler);
	mLeftButtonHandler.setCallback(this,&SplashScreen::leftButtonHandler);
	mTimerHandler.setCallback(this,&SplashScreen::timerHandler);
	insertHandler(VectorHandler::CreateHandler,&mCreateHandler);
	insertHandler(VectorHandler::PaintHandler,&mPaintHandler);
	insertHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	insertHandler(VectorHandler::PaletteChangedHandler,&mPaletteChangedHandler);
	insertHandler(VectorHandler::SetFocusHandler,&mSetFocusHandler);
	insertHandler(VectorHandler::TimerHandler,&mTimerHandler);
	insertHandler(VectorHandler::LeftButtonUpHandler,&mLeftButtonHandler);
	registerClass();
}

SplashScreen::SplashScreen(const SplashScreen &someSplashScreen)
{ // private implementation
}

SplashScreen::~SplashScreen()
{
	removeHandler(VectorHandler::CreateHandler,&mCreateHandler);
  removeHandler(VectorHandler::PaintHandler,&mPaintHandler);
	removeHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	removeHandler(VectorHandler::PaletteChangedHandler,&mPaletteChangedHandler);
	removeHandler(VectorHandler::SetFocusHandler,&mSetFocusHandler);
	removeHandler(VectorHandler::TimerHandler,&mTimerHandler);
	removeHandler(VectorHandler::LeftButtonUpHandler,&mLeftButtonHandler);
}

void SplashScreen::registerClass(void)
{
  HINSTANCE hInstance(processInstance());
	WNDCLASS wndClass;

	if(::GetClassInfo(hInstance,szClassName,(WNDCLASS FAR*)&wndClass))return;
	wndClass.style         =CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS|CS_OWNDC;
	wndClass.lpfnWndProc   =(WNDPROC)Window::WndProc;
	wndClass.cbClsExtra    =0;
	wndClass.cbWndExtra    =sizeof(SplashScreen*);
	wndClass.hInstance     =hInstance;
	wndClass.hIcon         =::LoadIcon(NULL,IDI_APPLICATION);
	wndClass.hCursor       =::LoadCursor(NULL,IDC_ARROW);
  wndClass.hbrBackground =(HBRUSH)::GetStockObject(NULL_BRUSH);
	wndClass.lpszMenuName  =0;
	wndClass.lpszClassName =szClassName;
	::RegisterClass(&wndClass);
	assert(0!=::GetClassInfo(hInstance,szClassName,(WNDCLASS FAR*)&wndClass));
}

SplashScreen &SplashScreen::operator=(const SplashScreen &someSplashScreen)
{ // private implementation
  return *this;
}

BOOL SplashScreen::perform(Rect initRect)
{ 
  UINT style(0);
  if(CW_USEDEFAULT==initRect.right())initRect.right(mResBitmap->width());
	if(CW_USEDEFAULT==initRect.bottom())initRect.bottom(mResBitmap->height());
	if(timeout())
  {
    PureDevice pureDevice;
	  pureDevice.screenDevice();
		initRect.left((pureDevice.horizontalResolution()-mResBitmap->width())/2);
		initRect.top((pureDevice.verticalResolution()-mResBitmap->height())/2);
	  style=WS_POPUP|WS_CLIPSIBLINGS|0x04|WS_DLGFRAME;
	}
	else style=WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_BORDER|WS_DLGFRAME|0x04|WS_CLIPSIBLINGS;
  createWindow(WS_EX_CONTROLPARENT,szClassName,timeout()?(char*)0:(char*)"Splash",style,initRect,NULL,NULL,processInstance(),(LPSTR)this);  // WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_BORDER|WS_DLGFRAME|0x04|WS_CLIPSIBLINGS
	show(SW_SHOW);
	update();
	return messageLoop();
}

CallbackData::ReturnType SplashScreen::leftButtonHandler(CallbackData &someCallbackData)
{
  killTimer(TimerID);
  postMessage(*this,WM_CLOSE,0,0L);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::destroyHandler(CallbackData &someCallbackData)
{
  PureDevice pureDevice(*this);
	((PurePalette&)*mDIBitmap).usePalette(pureDevice,FALSE);
  postQuitMessage(onDestroy());
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::createHandler(CallbackData &someCallbackData)
{
	mPureDevice=new PureDevice(*this);
	mPureDevice.disposition(PointerDisposition::Delete);
  mDIBitmap=new DIB24();
	mDIBitmap.disposition(PointerDisposition::Delete);
  mDIBitmap->create(mResBitmap->width(),mResBitmap->height(),*mPureDevice);
	mDIBitmap->copyBits(*mResBitmap);
	if(timeout())setTimer(TimerID,timeout());
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::timerHandler(CallbackData &someCallbackData)
{
  killTimer(TimerID);
	postMessage(*this,WM_CLOSE,0,0L);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::paletteChangedHandler(CallbackData &someCallbackData)
{
  if(!mDIBitmap.isOkay()||((HWND)*this==(HWND)someCallbackData.wParam()))return (CallbackData::ReturnType)FALSE;
  PureDevice pureDevice(*this);
	((PurePalette&)*mDIBitmap).usePalette(pureDevice,TRUE);
	update();
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::setFocusHandler(CallbackData &/*someCallbackData*/)
{
  if(!mDIBitmap.isOkay())return (CallbackData::ReturnType)FALSE;
  PureDevice pureDevice(*this);
	((PurePalette&)*mDIBitmap).usePalette(pureDevice,TRUE);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType SplashScreen::paintHandler(CallbackData &someCallbackData)
{
  if(!mResBitmap.isOkay())return (CallbackData::ReturnType)FALSE;
  PaintInformation *pPaintInfo=(PaintInformation*)someCallbackData.lParam();
	PureDevice &pureDevice=(PureDevice&)*pPaintInfo;
  mDIBitmap->bitBlt(pureDevice,Rect(0,0,width(),height()),Point());
	pureDevice.select((GDIObj)mTextFont,TRUE);
	pureDevice.setTextColor(RGBColor(247,231,33));
	pureDevice.setBkMode(PureDevice::Transparent);
	pureDevice.textOut(5,200,mStrCaption);
  ProductInfo prodInfo;
	pureDevice.setTextColor(RGBColor(255,255,255));
	pureDevice.textOut(1,250,prodInfo.strProductName()+String(" ")+prodInfo.strVersion());
	pureDevice.textOut(1,265,prodInfo.strRegisteredOwner());
	pureDevice.textOut(1,280,String("OEM:")+prodInfo.strProductID());
	if(!mStrTitle.isNull())
	{
	  Font mFont("Helv",12,Font::PitchVariable|Font::FamilySwiss,Font::WeightBold);
		pureDevice.select((GDIObj)mFont,TRUE);
	  pureDevice.setTextColor(RGBColor(255,255,255));
	  pureDevice.textOut(12,10,mStrTitle);
		pureDevice.select((GDIObj)mFont,FALSE);
	} 
  return (CallbackData::ReturnType)FALSE;
}

// virtuals
int SplashScreen::onDestroy(void)
{
  return 0;
}