/*

* 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:  ESMR Conflict popup implementation

*

*/

#include "cesmrconflictpopup.h"

#include "mesmrcalentry.h"

#include "mesmrmeetingrequestentry.h"

#include <AknInfoPopupNoteController.h>

#include <StringLoader.h>

#include <eikenv.h>

#include <esmrgui.rsg>

#include <avkon.rsg>

#include <ct/rcpointerarray.h>

#include <AknUtils.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <layoutmetadata.cdl.h>

#include "emailtrace.h"

// Unnamed namespace for local definitions

namespace{

const TInt KTimeDelayBeforeShow(0);  // 0 Seconds

const TInt KTimeForView(5000);          // 5 Seconds

const TInt KTimeStringLength(20);

const TInt KArrayGranularity( 4 );

const TInt KPortraitWindowVariety( 4 );

const TInt KLandscapeWindowVariety( 7 );

const TInt KTextLineVariety( 5 );

const TInt KNumTitleLines( 1 );

const TInt KNumLocationLines( 2 );

/**

 * Clips given text and allocates new buffer if needed.

 * @param aSource text to clip

 * @param aNumLines number of popup note lines available for visual text.

 * @return new buffer or NULL if aSource must not be clipped

 */

HBufC* ClipTextL( const TDesC& aSource, TInt aNumLines )

    {

    TRect mainPane;

    AknLayoutUtils::LayoutMetricsRect(

                AknLayoutUtils::EMainPane,

                mainPane );

    // Get the correct popup window text line layout

    TInt windowVariety( KPortraitWindowVariety );

    if ( Layout_Meta_Data::IsLandscapeOrientation() )

        {

        windowVariety = KLandscapeWindowVariety;

        }

    TAknWindowComponentLayout popupNoteWindow =

            AknLayoutScalable_Avkon::popup_preview_text_window( windowVariety );

    TAknLayoutRect popupNoteRect;

    popupNoteRect.LayoutRect( mainPane, popupNoteWindow );

    TAknTextComponentLayout popupNoteTextLine =

            AknLayoutScalable_Avkon::popup_preview_text_window_t3( KTextLineVariety );

    TAknLayoutText textLayout;

    textLayout.LayoutText( popupNoteRect.Rect(), popupNoteTextLine );

    TInt lineWidth( textLayout.TextRect().Width() );

    const CFont* font = textLayout.Font();

    HBufC* text = NULL;

    if ( font->TextWidthInPixels( aSource ) > lineWidth )

        {

        // Text must be clipped to fit

        // Allocate result buffer and reserve space for line feeds

        text = HBufC::NewLC(

                aSource.Length() + aNumLines );

        CArrayFix<TInt>* lineWidthArray =

                new( ELeave ) CArrayFixFlat<TInt>( aNumLines );

        CleanupStack::PushL( lineWidthArray );

        for ( TInt i = 0; i < aNumLines; ++i )

            {

            lineWidthArray->AppendL( lineWidth );

            }

        CPtrC16Array* strings = new( ELeave ) CPtrC16Array( aNumLines );

        CleanupStack::PushL( strings );

        TPtr des( text->Des() );

        // Wrap string

        AknTextUtils::WrapToStringAndClipL(

                aSource,

                *lineWidthArray,

                *font,

                des );

        // Trim trailing line feeds

        des.TrimRight();

        CleanupStack::PopAndDestroy( 2, lineWidthArray );

        CleanupStack::Pop( text );

        }

    return text;

    }

}//namespace

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

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

// CESMRConflictPopup::NewL

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

//

CESMRConflictPopup* CESMRConflictPopup::NewL( MESMRCalEntry& aEntry)

    {

    FUNC_LOG;

    CESMRConflictPopup* self = new (ELeave) CESMRConflictPopup();

    CleanupStack::PushL( self );

    self->ConstructL(aEntry);

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRConflictPopup::CESMRConflictPopup

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

//

CESMRConflictPopup::CESMRConflictPopup()

    {

    FUNC_LOG;

    //do nothing

    }

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

// CESMRConflictPopup::~CESMRConflictPopup

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

//

CESMRConflictPopup::~CESMRConflictPopup()

    {

    FUNC_LOG;

    delete iNote;

    }

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

// CESMRConflictPopup::ConstructL

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

//

void CESMRConflictPopup::ConstructL(MESMRCalEntry& aEntry)

    {

    FUNC_LOG;

    if ( MESMRCalEntry::EESMRCalEntryMeetingRequest == aEntry.Type() )

        {

        iEntry = static_cast<MESMRMeetingRequestEntry*>(&aEntry);

        }

    else

        {

        User::Leave( KErrNotSupported );

        }

    iNote = CAknInfoPopupNoteController::NewL();

    InitializeL();

    }

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

// CESMRConflictPopup::PrepareDisplayStringL

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

//

void CESMRConflictPopup::PrepareDisplayStringL()

    {

    FUNC_LOG;

    RCPointerArray<CCalEntry> entryArray;

    CleanupClosePushL( entryArray );

    TInt ret = iEntry->FetchConflictingEntriesL( entryArray );

    if( ret == KErrNotFound )

        {

        User::Leave( KErrNotFound );

        }

    // Pointer descriptor for R_QTN_MEET_REQ_CONFLICT_UNNAMED

    TPtrC unnamedTitle( KNullDesC );

    // Actual title to shown in popup

    TPtrC meetingTitle( KNullDesC );

    // Location to show in popup

    TPtrC meetingLocation( KNullDesC );

    TTime startTime;

    TTime endTime;

    CCoeEnv* env = CCoeEnv::Static();

    if ( entryArray.Count() > 0 )

        {// there is atleast one entry

        // get the first conflicting entry and set the string for display

        meetingTitle.Set( entryArray[ 0 ]->SummaryL() );

        meetingLocation.Set( entryArray[ 0 ]->LocationL() );

        if ( ( meetingLocation.Length() == 0 ) && ( meetingTitle.Length() == 0 ) )

        	{

            // if no title, set unnamed text:

            HBufC* title = StringLoader::LoadLC(

                    R_QTN_MEET_REQ_CONFLICT_UNNAMED,

                    env );

            unnamedTitle.Set( *title );

            meetingTitle.Set( unnamedTitle );

            }

        startTime = entryArray[ 0 ]->StartTimeL().TimeLocalL();

        endTime = entryArray[ 0 ]->EndTimeL().TimeLocalL();

        }

    HBufC*  conflictLabel = StringLoader::LoadLC(

            R_QTN_MEET_REQ_CONFLICTS_WITH_LABEL,

            env );

    HBufC* timeFormatString = StringLoader::LoadLC(

            R_QTN_TIME_USUAL_WITH_ZERO,

            env );

    TBuf<KTimeStringLength> startBuf;

    TBuf<KTimeStringLength> endBuf;

    startTime.FormatL( startBuf, *timeFormatString );

    endTime.FormatL( endBuf, *timeFormatString );

    CPtrC16Array* strings = new( ELeave ) CPtrC16Array( KArrayGranularity );

    CleanupStack::PushL( strings );

    strings->AppendL( startBuf ); //start time string

    strings->AppendL( endBuf ); //end time string

    HBufC* finalTimeBuf =

        StringLoader::LoadLC(

                R_QTN_MEET_REQ_TIME_SEPARATOR,

                *strings,

                env );

    if ( meetingLocation.Length() > 0 )

        {

        // format Meeting location

        HBufC* formatText = StringLoader::LoadLC(

                R_MEET_REQ_CONFLICT_LOCATION_FORMAT,

                meetingLocation,

                env );

        meetingLocation.Set( *formatText );

        }

    // Format final display string

    strings->Reset();

    strings->AppendL( *conflictLabel );

    strings->AppendL( *finalTimeBuf );

    HBufC* titleBuf = NULL;

    HBufC* locationBuf = NULL;

    if ( meetingTitle.Length() > 0 )

        {

        // Prepare title

        titleBuf = ClipTextL( meetingTitle, KNumTitleLines );

        if ( titleBuf )

            {

            CleanupStack::PushL( titleBuf );

            meetingTitle.Set( *titleBuf );

            }

        strings->AppendL( meetingTitle );

        // Prepare location

        locationBuf = ClipTextL( meetingLocation, KNumLocationLines );

        if ( locationBuf )

            {

            CleanupStack::PushL( locationBuf );

            meetingLocation.Set( *locationBuf );

            }

        strings->AppendL( meetingLocation );

        }

    else

        {

        // Prepare location

        locationBuf = ClipTextL(

                meetingLocation,

                KNumTitleLines + KNumLocationLines );

        if ( locationBuf )

            {

            CleanupStack::PushL( locationBuf );

            meetingLocation.Set( *locationBuf );

            }

        strings->AppendL( meetingLocation );

        strings->AppendL( KNullDesC() );

        }

    HBufC* displayString = StringLoader::LoadLC(

            R_MEET_REQ_CONFLICT_TEXT_FORMAT,

            *strings,

            env );

    // Trim trailing white space

    displayString->Des().TrimRight();

    // Set display string to popup note

    iNote->SetTextL( *displayString );

    // Clean allocated buffers

    CleanupStack::PopAndDestroy( displayString );

    if ( locationBuf )

        {

        CleanupStack::PopAndDestroy( locationBuf );

        }

    if ( titleBuf )

        {

        CleanupStack::PopAndDestroy( titleBuf );

        }

    if ( meetingLocation.Length() > 0 )

        {

        CleanupStack::PopAndDestroy(); // R_MEET_REQ_CONFLICT_LOCATION_FORMAT

        }

    CleanupStack::PopAndDestroy( finalTimeBuf );

    CleanupStack::PopAndDestroy( strings );

    CleanupStack::PopAndDestroy( timeFormatString );

    CleanupStack::PopAndDestroy( conflictLabel );

    if ( unnamedTitle.Length() > 0 )

        {

        CleanupStack::PopAndDestroy(); // R_QTN_MEET_REQ_CONFLICT_UNNAMED

        }

    CleanupStack::PopAndDestroy( &entryArray );

    }

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

// CESMRConflictPopup::ShowPopup

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

//

void CESMRConflictPopup::ShowPopup()

    {

    FUNC_LOG;

        TRAPD( error, PrepareDisplayStringL());

        if ( error != KErrNone )

            {

            CEikonEnv::Static()-> // codescanner::eikonenvstatic

                HandleError(error);

            }

        iNote->ShowInfoPopupNote();

    }

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

// CESMRConflictPopup::InitializeL

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

//

void CESMRConflictPopup::InitializeL()

    {

    FUNC_LOG;

    iNote->SetTimeDelayBeforeShow(KTimeDelayBeforeShow); // 2 Seconds

    iNote->SetTimePopupInView(KTimeForView); // 5 Seconds

    }

// EOF