/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

// lafmsg.cpp

//

//

//

#include <uiklaf/private/lafmsg.h>

#include <gulfont.h>

#include <uiklaf/private/lafenv.h>

#include "LAFSTD.H"

#include <gulcolor.h>

enum

	{

	EGapAboveText=3,

	EGapBelowText=2,

	EGapLeftOfText=2,

	EGapRightOfText=2

	};

enum

	{

	EWindowOffsetVertical=6,

	EWindowOffsetHorizontal=0

	};

enum

	{

	EInfoMsgWinDuration=25*100000,

	EBusyMsgWinInitialDelay=10*100000

	};

EXPORT_C LafMsgWin::TDisplayParameters::TDisplayParameters(TDes& aTextToDisplay)

	:iTextToDisplay(aTextToDisplay)

	{

	/** Message window position. */

	iMsgWinPosition.iX = 0;

	iMsgWinPosition.iY = 0;

    /** Message window size. */

	iMsgWinSize.iWidth = 176;

	iMsgWinSize.iHeight = 50;

    /** Message window margins. */

    iMsgWinBorders.iTop = 5;

    iMsgWinBorders.iBottom = 5;

    iMsgWinBorders.iLeft = 5;

    iMsgWinBorders.iRight = 5;

    /** Message window alignment. */

	TGulAlignment iDisplayCorner = EHRightVTop;

    }

/**

 * This method sets the shadow on the blank window which the Info Message or Busy 

 * message is contained in.

 */

EXPORT_C void LafMsgWin::SetUpBlankWindow(RBlankWindow& aBlankWindow)

	{//static

	aBlankWindow.SetShadowHeight(0);

	aBlankWindow.SetShadowDisabled(ETrue);

	}

/**

 * This method completes the intitialisation of the LafMsgWin. This method should

 * set a font and call constructL on aMessageWin.

 */

EXPORT_C void LafMsgWin::CompleteMessageWinConstructionL(RMessageWindow& aMessageWin,const MLafEnv& aEnv)

	{//static

	TLogicalFont logicalFont(TLogicalFont::EView, TLogicalFont::ENormal, TZoomFactor());

	const CFbsFont& font=*(CFbsFont*)aEnv.Font(logicalFont);

	aMessageWin.ConstructL(EGapAboveText+font.AscentInPixels(), font.Handle(), aEnv.Color(EColorMsgWinBackground), aEnv.Color(EColorMsgWinForeground));

	}

EXPORT_C void LafMsgWin::HandleResourceChange(RMessageWindow& aMessageWin,const MLafEnv& aEnv)

	{//static

	aMessageWin.SetBackgroundColor(aEnv.Color(EColorMsgWinBackground));

	aMessageWin.SetTextColor(aEnv.Color(EColorMsgWinForeground));

	}

/**

 * This method should truncate the text in aParams.iTextToDisplay if this is needed on the 

 * device. It should also set aParms.iMsgWinSize and aParams.iMsgWinPosition of the message,

 * depending on the corner aParams.iDisplayCorner, and the font for the device.

 * aParams.iClientRect is provided for devices that wish to set the position relative to the

 * client rect of the application rather than the screen rect.

 */

EXPORT_C void LafMsgWin::ConfigureText(TDisplayParameters& aParams,const MLafEnv& aEnv)

	{//static

	TLogicalFont logicalFont(TLogicalFont::EView, TLogicalFont::ENormal, TZoomFactor());

	const CFont& font=*aEnv.Font(logicalFont);

	aParams.iMsgWinSize=TSize(aParams.iMsgWinBorders.iLeft+aParams.iMsgWinBorders.iRight+EGapLeftOfText+EGapRightOfText+font.TextWidthInPixels(aParams.iTextToDisplay),

				aParams.iMsgWinBorders.iTop+aParams.iMsgWinBorders.iBottom+EGapAboveText+EGapBelowText+font.HeightInPixels());

	aParams.iMsgWinPosition=aParams.iDisplayCorner.InnerTopLeft(aParams.iEnv->ScreenDevice()->SizeInPixels(), aParams.iMsgWinSize);

	switch (aParams.iDisplayCorner.HAlignment())

		{

	case EHLeft:

		aParams.iMsgWinPosition.iX+=EWindowOffsetHorizontal;

		break;

	case EHCenter:

		break;

	case EHRight:

		aParams.iMsgWinPosition.iX-=EWindowOffsetHorizontal;

		break;

#if defined(_DEBUG)

	default:

		Panic(ELafPanicMsgWinBadHorizontalAlignment);

		break;

#endif

		}

	switch (aParams.iDisplayCorner.VAlignment())

		{

	case EVTop:

		aParams.iMsgWinPosition.iY+=EWindowOffsetVertical;

		break;

	case EVCenter:

		break;

	case EVBottom:

		aParams.iMsgWinPosition.iY-=EWindowOffsetVertical;

		break;

#if defined(_DEBUG)

	default:

		Panic(ELafPanicMsgWinBadVerticalAlignment);

		break;

#endif

		}

	}

/**

 * Returns the duration (in microseconds), which the info message should be displayed for.

 *

 * @since App-Framework_6.1

 */

EXPORT_C TTimeIntervalMicroSeconds32 LafInfoMsgWin::DefaultDuration()

	{

	return EInfoMsgWinDuration;

	}

/**

 * Returns the duration (in microseconds), after which the busy message should initially appear.

 *

 * @since App-Framework_6.1

 */

EXPORT_C TTimeIntervalMicroSeconds32 LafBusyMsgWin::DefaultInitialDelay()

	{

	return EBusyMsgWinInitialDelay;

	}