/*

* Copyright (c) 2002 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:   Contains collection of commonly used 'utility' functions.

*

*/

// INCLUDE FILES

#include <aknenv.h>

#include <AknUtils.h>

#include <aknlayout.cdl.h>

#include <applayout.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <AknStatuspaneUtils.h>     // for AknStatuspaneUtils

#include "MsgEditorCommon.h"

#include "MsgEditorModelPanic.h"        // Panics

// ============================ MEMBER FUNCTIONS ===============================

// ---------------------------------------------------------

// MsgEditorCommons::MaxBodyHeight

//

// Gets the value for maximum body height for variants.

// Replaces const TInt KMsgMaxBodyHeight definition in msgeditorcommon.h

// ---------------------------------------------------------

//

EXPORT_C TInt MsgEditorCommons::MaxBodyHeight()

    {

    return ( EditorViewHeigth() / MsgBaseLineDelta() ) * MsgBaseLineDelta();

    }

// ---------------------------------------------------------

// MsgEditorCommons::MsgBaseLineDelta

//

// Gets the value for maximum base line for variants.

// Replaces const TInt KMsgBaseLineDelta definition in msgeditorcommon.h

// ---------------------------------------------------------

//

EXPORT_C TInt MsgEditorCommons::MsgBaseLineDelta()

    {

    TInt baseLine = 0;

    TAknLayoutRect msgTextPane;

    msgTextPane.LayoutRect(

        MsgEditorCommons::MsgDataPane(),

        AknLayoutScalable_Apps::msg_text_pane( 0 ).LayoutLine() );

    baseLine = msgTextPane.Rect().Height();

    // We cannot handle non-positive baseLine values. Panic

    // intentionally if such baseLine is present! This indicates

    // serious problems with the layout data.

    __ASSERT_ALWAYS( baseLine > 0, Panic( EMsgLayoutUndetermined ) );

    return baseLine;

    }

// ---------------------------------------------------------

// MsgEditorCommons::MsgBaseLineOffset

// ---------------------------------------------------------

//

EXPORT_C TInt MsgEditorCommons::MsgBaseLineOffset()

    {

    TInt baseLineOffset = 0;

    TInt baseLine = MsgEditorCommons::MsgBaseLineDelta();

    baseLineOffset = MsgEditorCommons::MsgMainPane().Height() % baseLine;

    return baseLineOffset;

    }

EXPORT_C TInt MsgEditorCommons::ScreenWidth()

    {

    TRect screen;

    AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EScreen, screen );

    return screen.Width();

    }

EXPORT_C TInt MsgEditorCommons::ScreenHeigth()

    {

    TRect screen;

    AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EScreen, screen );

    return screen.Height();

    }

EXPORT_C TInt MsgEditorCommons::EditorViewWidth()

    {

    return MsgEditorCommons::MsgMainPane().Width();

    }

EXPORT_C TInt MsgEditorCommons::EditorViewHeigth()

    {

    return MsgEditorCommons::MsgMainPane().Height();

    }

EXPORT_C TRect MsgEditorCommons::MsgMainPane()

    {

    TRect mainPaneRect;

    CEikonEnv* eikEnv = CEikonEnv::Static();    

    if ( eikEnv && eikEnv->EikAppUi() )

        {

        mainPaneRect = eikEnv->EikAppUi()->ClientRect();    

        }

    else

        {

        AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EMainPane, mainPaneRect );

        }

    TAknLayoutRect msgMainLayout;

    msgMainLayout.LayoutRect( mainPaneRect,

                              AknLayoutScalable_Apps::main_msg_pane().LayoutLine() );

    return msgMainLayout.Rect();

    }

EXPORT_C TRect MsgEditorCommons::MsgDataPane()

    {

    TRect msgMainPane = MsgEditorCommons::MsgMainPane();

#ifdef RD_SCALABLE_UI_V2

    msgMainPane.Move( -msgMainPane.iTl );

#endif // RD_SCALABLE_UI_V2

    TAknLayoutRect msgDataLayout;

    msgDataLayout.LayoutRect(

        msgMainPane,

        AknLayoutScalable_Apps::msg_data_pane().LayoutLine() );

    return msgDataLayout.Rect();

    }

EXPORT_C TRect MsgEditorCommons::MsgHeaderPane()

    {

    return MsgEditorCommons::MsgDataPane();

    }

EXPORT_C TRect MsgEditorCommons::MsgBodyPane()

    {

    return MsgEditorCommons::MsgDataPane();

    }

EXPORT_C void MsgEditorCommons::RoundToNextLine( TInt& aValue, TInt aLineHeight )

    {

    TInt remainder( aValue % aLineHeight );

    if ( remainder != 0 )

        {

        aValue < 0 ? aValue -= aLineHeight + remainder :

                     aValue += aLineHeight - remainder;

        }

    }

EXPORT_C void MsgEditorCommons::RoundToPreviousLine( TInt& aValue, TInt aLineHeight )

    {

    TInt remainder( aValue % aLineHeight );

    if ( remainder != 0 )

        {

        aValue -= remainder;

        }

    }

//  End of File