/*

* Copyright (c) 2003-2006 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:   Implementation for screensaver shared data connections.

*

*/

#include <msvids.h>

#include <MProfileName.h>  // Profile API, not yet included in .h

#include <MProfileTones.h>

#include <TProfileToneSettings.h>

#include <centralrepository.h>

#include <coreapplicationuisdomainpskeys.h>  // KCoreAppUIsUipInd, KLightsVTForcedLightsOn

#include <activeidle2domainpskeys.h>         // KPSUidAiInformation

#include <SettingsInternalCRKeys.h>          // KSettingsScreenSaverPeriod

#include <LogsDomainCRKeys.h>                // KLogsNewMissedCalls

#include <ScreensaverInternalCRKeys.h>

#include <AvkonInternalCRKeys.h>             // KAknNewContactsNoteActive

#include <avkondomainpskeys.h>               // KAknKeyguardStatus

#include <ctsydomaincrkeys.h>                // Message (voice) waiting status

#include <startupdomainpskeys.h>             // KPSGlobalSystemState

#include <AknSkinsInternalCRKeys.h>

#include <MProfileEngine.h> // Profile engine API

#include <MProfile.h>

#include <NcnListDomainCRKeys.h>

#include "screensaverappui.h"

#include "screensaverctrlmovingtext.h"

#include "screensaverengine.h"

#include "screensavershareddatai.h"

#include "ScreensaverInternalPSKeys.h"

#include "screensaverutility.h"

#include "screensaverrepositorywatcher.h"

#include "screensaversubscriber.h"

const TInt KTimeoutDefault = 15;        // seconds (also in GS)

const TInt KTimeoutMin = 5;             // minimum timeout in seconds (also in GS)

// Screensaver "On/Off" status values

const TInt KScreensaverOff = 0;

const TInt KScreensaverOn = 1;

// Screensaver activated from idle status values

const TInt KScreensaverNotFromIdle = 0;

const TInt KScreensaverStartedFromIdle = 1;

// Screen saver text type.

_LIT( KScreenSaverTypeText, "Text" );

//Screensaver "None" (Sleep mode)

_LIT( KScreenSaverTypeNone, "None" );

// Define security policies for Screensavers property keys

_LIT_SECURITY_POLICY_PASS(KSSPolicyPass);

_LIT_SECURITY_POLICY_C1(KSSPolicyWriteUserData, ECapabilityWriteUserData);

_LIT_SECURITY_POLICY_S0(KSSPolicyWriteSSOnly, 0x100056cf);

//

// CScreensaverSharedDataI

//

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

// CScreensaverSharedDataI::NewL

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

//

CScreensaverSharedDataI* CScreensaverSharedDataI::NewL()

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(); //self

    return self;

    }

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

// CScreensaverSharedDataI::~CScreensaverSharedDataI

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

//

CScreensaverSharedDataI::~CScreensaverSharedDataI()

    {

    // Release the active profile resources

    InvalidateActiveProfile();

    // Release the profile engine

    if (iProfileEngine)

        {

        // No need to delete pointer, just release resources

        iProfileEngine->Release();

        }

    delete iScreensaverRepositoryWatcher;

    delete iScreensaverRepository;

    delete iSettingsRepositoryWatcher;

    delete iSettingsRepository;

    delete iCTsyRepository;

    delete iInboxFolder;

    delete iMsvSession;

    }

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

// CScreensaverSharedDataI::DisplayObjectType

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

//

TDisplayObjectType CScreensaverSharedDataI::DisplayObjectType() const

    {

    TInt type = 0;

    if (iScreensaverRepository)

        {

        iScreensaverRepository->Get( KScreenSaverObject, type );

        }

    return ( TDisplayObjectType )type;

    }

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

// CScreensaverSharedDataI::SetDisplayObjectType

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

//

void CScreensaverSharedDataI::SetDisplayObjectType( const TDisplayObjectType aType )

    {

    if( iScreensaverRepository )

        {

        iScreensaverRepository->Set(KScreenSaverObject, aType);

        }

    }

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

// CScreensaverSharedDataI::GetDisplayObjectText

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

//

void CScreensaverSharedDataI::GetDisplayObjectText( TDes& aDes ) const

    {

    CEikonEnv::Static()->ReadResource(aDes, R_SCREEN_SAVER_TEXT);

    if ( iScreensaverRepository )

        {

        iScreensaverRepository->Get( KScreenSaverText, aDes );

        }

    }

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

// CScreensaverSharedDataI::PluginName

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

//

void CScreensaverSharedDataI::GetPluginName( TFileName& aFileName ) const

    {

    if ( iScreensaverRepository )

        {

        iScreensaverRepository->Get( KScreenSaverPluginName, aFileName );

        }

    }

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

// CScreensaverSharedDataI::ColorInversionUsed

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

//

TBool CScreensaverSharedDataI::IsInvertedColors() const

    {

    TInt colorInversionUsed(0);

    if( iScreensaverRepository )

        {

        iScreensaverRepository->Get( KScreenSaverInvertedColors, colorInversionUsed );

        }

    return ( colorInversionUsed != 0 );

    }

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

// CScreensaverSharedDataI::ScreensaverTimeout

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

//

TInt CScreensaverSharedDataI::ScreensaverTimeout() const

    {

    TInt timeout = KTimeoutDefault;

    if (iSettingsRepository)

        {

        iSettingsRepository->Get(KSettingsScreenSaverPeriod, timeout);

        }

    // No less than minimum timeout

    // Old backed up minutes 1-4 will cause default timeout after

    // being restored to new sw using seconds

    if (timeout < KTimeoutMin)

        {

        return KTimeoutDefault;

        }

    return timeout;

    }

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

// CScreensaverSharedDataI::IsNCNActive

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

//

TBool CScreensaverSharedDataI::IsNCNActive() const

    {

    // Setting the flag here is also needed, because Screensaver should not

    // display new calls when Ncn note has been cancelled (even if the missed

    // calls count is still nonzero).

    // Also, when the phone is (re)started, and there are missed calls,

    // Ncn will pop a note, This is the only way Screensaver knows about that.

    CRepository* avkonRepository = NULL;

    TRAP_IGNORE( avkonRepository = CRepository::NewL( KCRUidAvkon ) );

    TInt value = 0;

    if ( avkonRepository )

        {

        avkonRepository->Get( KAknNewContactsNoteActive, value );

        }

    delete avkonRepository;

    return ( value != 0 );

    }

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

// CScreensaverSharedDataI::NewMissedCalls

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

//

TInt CScreensaverSharedDataI::NewMissedCalls() const

    {

    CRepository* logsRepository = NULL;

    TRAP_IGNORE( logsRepository = CRepository::NewL( KCRUidLogs ) );

    TInt value = 0;

    if ( logsRepository )

        {

        logsRepository->Get( KLogsNewMissedCalls, value );

        }

    delete logsRepository;

    return value;

    }

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

// CScreensaverSharedDataI::SetSSForcedLightsOn

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

//

void CScreensaverSharedDataI::SetSSForcedLightsOn(TInt aSecs)

    {

    SCRLOGGER_WRITEF(_L("SCR: RequestLights(%d)"), aSecs);

    RProperty::Set( KPSUidCoreApplicationUIs, KLightsSSForcedLightsOn, aSecs );

    }

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

// CScreensaverSharedDataI::SetScreensaverStatus

// Indicate whether Screensaver is active or not

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

//

void CScreensaverSharedDataI::SetScreensaverStatus( TBool aOn /* = ETrue */ )

    {

    //Check if the value is already updated. If so, setting the value again

    //will cause unnecessary call backs to any subscribers of this property

    if ( aOn )

        {

        RProperty::Set( KPSUidScreenSaver, KScreenSaverOn, KScreensaverOn );

        //else - no need to re-apply the same value

        }

    else //aOn is false

        {

        RProperty::Set( KPSUidScreenSaver, KScreenSaverOn, KScreensaverOff );

        //else - no need to re-apply the same value

        //if stop from idle, change the status

        RProperty::Set( KPSUidScreenSaver, KScreenSaverOn, KScreensaverNotFromIdle);

        }

    }

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

// CScreensaverSharedDataI::SetSSStartedFromIdleStatus

// Set "Screensaver started from Idle" status

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

//

void CScreensaverSharedDataI::SetSSStartedFromIdleStatus()

    {

    TInt idleState = EPSAiBackground;

    RProperty::Get(KPSUidAiInformation, KActiveIdleState, idleState);

    if (idleState == EPSAiBackground)

        {

        RProperty::Set( KPSUidScreenSaver, KScreenSaverActivatedFromIdle, KScreensaverNotFromIdle );

        }

    else

        {

        RProperty::Set(  KPSUidScreenSaver, KScreenSaverActivatedFromIdle, KScreensaverStartedFromIdle );

        }

    }

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

// CScreensaverSharedDataI::IsScreenSaverAllowed

// Set "Screensaver started from Idle" status

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

//

TInt CScreensaverSharedDataI::IsScreenSaverAllowed() const

    {

    TInt value = 0;

    RProperty::Get( KPSUidScreenSaver, KScreenSaverAllowScreenSaver, value );

    return value;

    }

TInt CScreensaverSharedDataI::ScreensaverPreviewMode() const

    {

    TInt value = 0;

    RProperty::Get( KPSUidScreenSaver, KScreenSaverPreviewMode, value );

    return value;

    }

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

// CScreensaverSharedDataI::SetScreensaverPreviewMode

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

//

void CScreensaverSharedDataI::SetScreensaverPreviewMode( const TInt aMode )

    {

    RProperty::Set( KPSUidScreenSaver, KScreenSaverPreviewMode, aMode );

    }

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

// CScreensaverSharedDataI::ScreensaverPreviewState

// Get preview state

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

//

TScreenSaverPreviewState CScreensaverSharedDataI::ScreensaverPreviewState() const

    {

    TInt state = EScreenSaverPreviewNone;

    RProperty::Get( KPSUidScreenSaver, KScreenSaverPreviewState, state );

    return ( TScreenSaverPreviewState ) state;

    }

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

// CScreensaverSharedDataI::SetScreensaverPreviewState

// Report preview state

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

//

void CScreensaverSharedDataI::SetScreensaverPreviewState(

    const TScreenSaverPreviewState aState )

    {

    RProperty::Set( KPSUidScreenSaver, KScreenSaverPreviewState, aState );

    }

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

// CScreensaverSharedDataI::IsKeyguardOn

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

//

TBool CScreensaverSharedDataI::IsKeyguardOn() const

    {

    // Report preview state

    TInt state = 0;

    RProperty::Get( KPSUidAvkonDomain, KAknKeyguardStatus, state );

    return ( state != 0 );

    }

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

// CScreensaverSharedDataI::IsUsePowerSaveMode

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

TBool CScreensaverSharedDataI::IsUsePowerSaveMode() const

    {

    TInt state = 0;

    // Check if power save mode has been denied

    RProperty::Get( KPSUidScreenSaver, KScreenSaverNoPowerSaveMode, state );

    return ( state != 1 );

    }

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

// CScreensaverSharedDataI::SystemStartupComplete

// Returns whether system startup has been completed

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

//

TBool CScreensaverSharedDataI::IsSystemStartupComplete()

    {

    if ( iStartupComplete == EFalse )

        {

        TInt startupState = -1;

        RProperty::Get( KPSUidStartup, KPSGlobalSystemState, startupState );

        switch (startupState)

            {

        case ESwStateNormalRfOn:

        case ESwStateNormalRfOff:

        case ESwStateNormalBTSap:

            iStartupComplete = ETrue;

            break;

        default:

            break;

            }

        }

    return iStartupComplete;

    }

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

// CScreensaverSharedDataI::DefaultScreensaverType

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

//

TDisplayObjectType CScreensaverSharedDataI::DefaultScreensaverType() const

    {

    return iDefaultType;

    }

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

// CScreensaverSharedDataI::UnreadMessagesNumber

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

//

TInt CScreensaverSharedDataI::UnreadMessagesNumber()

    {

    TInt numberOfUnreadMessages = 0;

    // Check how many unread messages there are in the In-box.

    if( !iInboxFolder )

        {

        TRAPD( err, ConnectToInboxL() );

        if (err != KErrNone)

            {

            return numberOfUnreadMessages;

            }

        }

    const TInt itemCount = iInboxFolder->Count();

    for ( TInt index = 0; index < itemCount; index++ )

        {

        const TMsvEntry entry = ( *iInboxFolder )[index];

        if ( entry.iType.iUid == KUidMsvMessageEntryValue && entry.Unread())

            {

            if( entry.Visible() )

                {

                numberOfUnreadMessages++;

                }

            }

        }

    return numberOfUnreadMessages;

    }

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

// CScreensaverSharedDataI::ProfileName

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

const TDesC& CScreensaverSharedDataI::ProfileName()

    {

    // Get the active profile name from profile engine, not from

    // shareddata ( may not be up-to-date after phone restart )

    if ( ConnectToActiveProfile() )

        {

        // Ectract profile name

        const MProfileName& profileName = iActiveProfile->ProfileName();

        return ( profileName.Name() );

        }

    return KNullDesC;

    }

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

// CScreensaverSharedDataI::ActiveProfile

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

TInt CScreensaverSharedDataI::ActiveProfile()

    {

    // Return the current profile Id

    TInt profileId = 0;

    // Connect to profile engine

    if ( ConnectToProfileEngine() )

        {

        profileId = iProfileEngine->ActiveProfileId();

        }

    return profileId;

    }

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

// CScreensaverSharedDataI::IsHaveNewEmail

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

TBool CScreensaverSharedDataI::IsHaveNewEmail() const

    {

    TInt state = 0;

    // Check the new email state from PubSub

    TInt error = RProperty::Get(

        KPSUidCoreApplicationUIs, KCoreAppUIsNewEmailStatus, state);

    SCRLOGGER_WRITEF(_L("SCR: QueryNewEmail state=%d error=%d"), state, error);

    if ( ( error == KErrNone ) && ( state == ECoreAppUIsNewEmail ) )

        {

        return ETrue;

        }

    else

        {

        return EFalse;

        }

    }

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

// CScreensaverSharedDataI::IsHaveNewVoicemail

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

TBool CScreensaverSharedDataI::IsHaveNewVoicemail() const

    {

    // Show the indicator, if either line has messages waiting

    if ( ( VoiceMailCount( KNcnVoiceMailCountInLine1 ) > 0 ) 

        || ( VoiceMailCount( KNcnVoiceMailCountInLine2 ) > 0 ) )

        {

        return ETrue;

        }

    else