/*

* Copyright (c) 2006-2008 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:  Default key event handling of System Application

*

*/

#include <e32property.h>

#include <eikon.hrh>

#include <coemain.h>

#include <aknkeylock.h>

#include <apgtask.h>

#include <apgcli.h>

#include <apgwgnam.h>

#include <apacmdln.h>

#include <featmgr.h>

#include <coreapplicationuisdomainpskeys.h>

#include <startupdomainpskeys.h>

#include <hwrmdomainpskeys.h>

#include <u32hal.h>

#include "sysapdefaultkeyhandler.h"

#include "sysapcallback.h"

#include "SysAp.hrh"

const TInt KModifierMask( 0 );

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

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

// CSysApDefaultKeyHandler::CSysApDefaultKeyHandler

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

//

CSysApDefaultKeyHandler::CSysApDefaultKeyHandler( MSysapCallback& aCallback ) :

                                                     iCallback(aCallback),

                                                     iCameraSupported(EFalse),

                                                     iCoverDisplaySupported(EFalse),

                                                     iKeylock(NULL),

                                                     iCapturedEKeyCamera(0),

                                                     iCapturedEKeyTwistOpen(0),

                                                     iCapturedEKeyTwistClose(0),

                                                     iCapturedEKeyGripOpen(0),

                                                     iCapturedEKeyGripClose(0),

                                                     iCapturedEKeyPoC(0),

                                                     iAknUiServerConnected(EFalse)

    {

    }

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

// CSysApDefaultKeyHandler::ConstructL

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

//

void CSysApDefaultKeyHandler::ConstructL()

    {

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::ConstructL()") ) );

    RWindowGroup groupWin = CCoeEnv::Static()->RootWin();

    User::LeaveIfError ( iCapturedEKeyCamera = groupWin.CaptureKey( EKeyCamera, KModifierMask, KModifierMask ) );

    User::LeaveIfError ( iCapturedEKeyTwistOpen = groupWin.CaptureKey( EKeyTwistOpen, KModifierMask, KModifierMask ) );

    User::LeaveIfError ( iCapturedEKeyTwistClose = groupWin.CaptureKey( EKeyTwistClose, KModifierMask, KModifierMask ) );   

    User::LeaveIfError ( iCapturedEKeyGripOpen = groupWin.CaptureKey( EKeyGripOpen, KModifierMask, KModifierMask ) ); 

    User::LeaveIfError ( iCapturedEKeyGripClose = groupWin.CaptureKey( EKeyGripClose, KModifierMask, KModifierMask ) ); 

    User::LeaveIfError ( iCapturedEKeyPoC = groupWin.CaptureKey( EKeyPoC, KModifierMask, KModifierMask ) ); 

    // flip key events don't need to be captured, because in current setup they are not real events but simulated by SysAp

    // according to notifications received from P&S key that stores flip information

    FeatureManager::InitializeLibL();

    iCameraSupported = FeatureManager::FeatureSupported( KFeatureIdCamera );

    iCoverDisplaySupported = FeatureManager::FeatureSupported( KFeatureIdCoverDisplay );

    FeatureManager::UnInitializeLib();

    TKeyLockBuf lockBuf;

    iCallback.ExecQueryL( MSysapCallback::EGetKeylock, lockBuf );  

    iKeylock = lockBuf();

    __ASSERT_DEBUG( iKeylock, User::Panic( _L("CSysApDefaultKeyHandler::ConstructL: iKeylock not initialized"), KErrBadHandle ) );

    if ( iCoverDisplaySupported ) // if flip status is monitored, set the initial flip status now

        {

        TInt flipValue;

        TInt err = RProperty::Get( KPSUidHWRM, KHWRMFlipStatus, flipValue );

        TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::ConstructL: flipValue=%d, err=%d"), flipValue, err ) );

        if ( err == KErrNone )

            {

            switch ( flipValue )

                {

                case EPSHWRMFlipOpen:

                    SetDisplayState( ETrue );

                    break;

                case EPSHWRMFlipClosed:

                    SetDisplayState( EFalse );

                    break;

                case EPSHWRMFlipStatusUninitialized:

                default:

                    // set display state only if the current flip position is known

                    break;

                }

            }

        }

    }

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

// CSysApDefaultKeyHandler::NewL

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

//

CSysApDefaultKeyHandler* CSysApDefaultKeyHandler::NewL( MSysapCallback& aCallback )

    {

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::NewL()") ) );

    CSysApDefaultKeyHandler* self = new( ELeave ) CSysApDefaultKeyHandler( aCallback) ;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CSysApDefaultKeyHandler::~CSysApDefaultKeyHandler

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

//

CSysApDefaultKeyHandler::~CSysApDefaultKeyHandler()

    {

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::~CSysApDefaultKeyHandler()") ) );

    iAknUiServer.Close();

    RWindowGroup groupWin = CCoeEnv::Static()->RootWin();

    groupWin.CancelCaptureKey( iCapturedEKeyCamera );

    groupWin.CancelCaptureKey( iCapturedEKeyTwistOpen );

    groupWin.CancelCaptureKey( iCapturedEKeyTwistClose );

    groupWin.CancelCaptureKey( iCapturedEKeyGripOpen );

    groupWin.CancelCaptureKey( iCapturedEKeyGripClose );

    groupWin.CancelCaptureKey( iCapturedEKeyPoC );

    }

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

// CSysApDefaultKeyHandler::HandleKeyEventL()

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

//

TKeyResponse CSysApDefaultKeyHandler::HandleKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType )

{

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::HandleKeyEventL: aKeyEvent.iCode=%d, aKeyEvent.iScanCode=%d, aType=%d"),

                                aKeyEvent.iCode, aKeyEvent.iScanCode, aType ) );

    TKeyResponse response = EKeyWasNotConsumed;

    __ASSERT_DEBUG( aType == EEventKey, User::Invariant() ); // other than event keys should not provided

    if( aType == EEventKey )

        {

        response = EKeyWasConsumed; // set again in default case if not consumed

        switch ( aKeyEvent.iCode )

            {

            case EKeyGripOpen:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyGripOpen") ) );

                RProperty::Set( KPSUidHWRM, KHWRMGripStatus, EPSHWRMGripOpen );

                if (!IsDeviceLocked())

                    {

                    iCallback.ExecCommandL( MSysapCallback::EResetKeyguardState );

                    iKeylock->DisableKeyLock();

                    iCallback.ExecCommandL( MSysapCallback::ECancelPowermenu );

                    }

                // apply default light control

                iCallback.ExecCommandL( MSysapCallback::EUpdateLights, TUpdateLightsBuf(EKeyGripOpen) );

                break;

            case EKeyGripClose:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyGripClosed") ) );

                RProperty::Set( KPSUidHWRM, KHWRMGripStatus, EPSHWRMGripClosed );

                iCallback.ExecCommandL( MSysapCallback::ECancelPowermenu );

                // apply default light control

                iCallback.ExecCommandL( MSysapCallback::EUpdateLights, TUpdateLightsBuf(EKeyGripClose) );

                break;

            case EKeyFlipOpen: // simulated key event

                {

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyFlipOpen") ) );

                SetDisplayState( ETrue );

                // apply default light control

                iCallback.ExecCommandL( MSysapCallback::EUpdateLights, TUpdateLightsBuf(EKeyFlipOpen) );

                }

                break;

            case EKeyFlipClose: // simulated key event

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyFlipClose") ) );

                SetDisplayState( EFalse );

                // apply default light control

                iCallback.ExecCommandL( MSysapCallback::EUpdateLights, TUpdateLightsBuf(EKeyFlipClose) );

                break;

            case EKeyTwistOpen:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyTwistOpen") ) );

                RProperty::Set( KPSUidHWRM, KHWRMTwistStatus, EPSHWRMTwistOpen );

                break;

            case EKeyTwistClose:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyTwistClose") ) );

                RProperty::Set( KPSUidHWRM, KHWRMTwistStatus, EPSHWRMTwistClose );

                break;                

            case EKeyCamera:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyCamera") ) );

                if ( iCameraSupported && !IsDeviceLocked() && !DoShowKeysLockedNote() )

                    {

                    ActivateApplicationL( KSysApCamcorderUid );

                    }

                break;

            case EKeyPoC:

                TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::HandleKeyEventL: EKeyPoC") ) );

                LaunchPocL();

                break;                

            default:

                response = EKeyWasNotConsumed;

                TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::CSysApDefaultKeyHandler: key was not consumed.") ) ); 

                break;

            }

        }

    return response;

}  

#ifndef SYSAP_USE_STARTUP_UI_PHASE    

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

// CSysApDefaultKeyHandler::IsStateNormal()

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

//

TBool CSysApDefaultKeyHandler::IsStateNormal() const

    {

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::IsStateNormal")) );

    TInt state;

    TInt errorCode = RProperty::Get( KPSUidStartup, KPSGlobalSystemState, state );

    if ( errorCode == KErrNone )

        {

        return state == ESwStateNormalRfOn ||

               state == ESwStateNormalRfOff ||

               state == ESwStateNormalBTSap;

        }

    else

        {

        TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::IsStateNormal: Failed to read global system state, error code %d." ), errorCode ) );

        return EFalse;

        }

    }

#endif // SYSAP_USE_STARTUP_UI_PHASE

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

// CSysApDefaultKeyHandler::UiReady()

// 

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

TBool CSysApDefaultKeyHandler::UiReady() const

    {

#ifdef SYSAP_USE_STARTUP_UI_PHASE    

    TInt state( 0 );

    TInt err = RProperty::Get( KPSUidStartup, KPSGlobalSystemState, state );

    if ( err != KErrNone || state == ESwStateEmergencyCallsOnly ) // emergency calls only state must block UI operations

        {

        TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::UiReady: KPSGlobalSystemState=%d, err=%d." ), state, err ) );

        return EFalse;

        }

    err = RProperty::Get( KPSUidStartup, KPSStartupUiPhase, state );

    if ( err != KErrNone )

        {

        TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::UiReady: Failed to read KPSStartupUiPhase, err=%d." ), err ) );

        return EFalse;

        }

    return state == EStartupUiPhaseAllDone;

#else // SYSAP_USE_STARTUP_UI_PHASE

    // if KPSSStartupUiPhase is not used, global system state normal is handled as UI idle state

    return IsStateNormal();

#endif // SYSAP_USE_STARTUP_UI_PHASE        

    }

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

// CSysApDefaultKeyHandler::ActivateApplicationL()

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

//

void CSysApDefaultKeyHandler::ActivateApplicationL( const TUid aUid ) const

    {

    TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::ActivateApplicationL") ) );

    // Applications must not be activated before reaching normal system operation state

    if ( UiReady() )

        {

        CAknTaskList* apaTaskList = CAknTaskList::NewL( CCoeEnv::Static()->WsSession() );

        TApaTask apaTask = apaTaskList->FindRootApp( aUid ); // only root application should not be activated

        delete apaTaskList;

        if ( apaTask.Exists() )

            {

            TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::ActivateApplicationL: application brought to foreground") ) );

#ifdef _DEBUG

            // camery latency measurement environment instrumentation, don't remove

            if ( aUid == KSysApCamcorderUid )

                {

                TRACES( RDebug::Print( _L("e_CAM_PRI_OFF_TO_ON 1") ) );

                }

#endif // _DEBUG            

            CAknSgcClient::MoveApp ( apaTask.WgId(), ESgcMoveAppToForeground );

            }

        else

            {

            TInt err( KErrNone );

            TApaAppInfo appInfo;

            RApaLsSession apaLsSession;

            User::LeaveIfError( apaLsSession.Connect() );

            CleanupClosePushL( apaLsSession );

            err = apaLsSession.GetAppInfo( appInfo, aUid );

            if ( !err )

                {

                TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::ActivateApplicationL: starting application") ) );

                CApaCommandLine* apaCommandLine = CApaCommandLine::NewLC();

                apaCommandLine->SetExecutableNameL( appInfo.iFullName );

                apaCommandLine->SetCommandL( EApaCommandRun );

#ifdef _DEBUG

                // camery latency measurement environment instrumentation, don't remove

                if ( aUid == KSysApCamcorderUid )

                    {

                    TRACES( RDebug::Print( _L("e_CAM_PRI_OFF_TO_ON 1") ) );

                    }

#endif // _DEBUG                   

                apaLsSession.StartApp( *apaCommandLine );

                CleanupStack::PopAndDestroy( apaCommandLine );

                }

            else

                {

                TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::ActivateApplicationL err=%d"), err ) );

                }                

            // pop and destroy will also close this session

            CleanupStack::PopAndDestroy( &apaLsSession );

            }

        }

    }

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

// CSysApDefaultKeyHandler::LaunchPocL()

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

//

void CSysApDefaultKeyHandler::LaunchPocL()

    {

    TRACES( RDebug::Print(_L("CSysApDefaultKeyHandler::LaunchPocL") ) );

    if ( UiReady() && !IsDeviceLocked() && !DoShowKeysLockedNote() )

        {

        CAiwServiceHandler* serviceHandler = CAiwServiceHandler::NewLC();

        serviceHandler->AttachL( R_POC_AIW_INTEREST );

        CAiwGenericParamList* inParams = CAiwGenericParamList::NewLC();

        inParams->AppendL(TAiwGenericParam( EGenericParamPoCLaunchView, TAiwVariant(EAiwPoCMainView)));

        serviceHandler->ExecuteServiceCmdL( KAiwCmdPoC, *inParams, serviceHandler->OutParamListL());

        CleanupStack::PopAndDestroy( inParams );

        CleanupStack::PopAndDestroy( serviceHandler);

        }

    }

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

// CSysApDefaultKeyHandler::IsDeviceLocked()

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

TBool CSysApDefaultKeyHandler::IsDeviceLocked() const    

    {

    TInt value(0);

    TBool retval(EFalse);

    RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsAutolockStatus, value );

    if ( value > EAutolockOff )

        {

        retval = ETrue;

        }

    TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::IsDeviceLocked()=%d" ), retval ) );

    return retval;

    }

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

// CSysApDefaultKeyHandler::SetDisplayState

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

void CSysApDefaultKeyHandler::SetDisplayState( TBool aFlipOpen ) const

    {

    TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::SetDisplayState: aFlipOpen=%d" ), aFlipOpen ) );

    if ( iCoverDisplaySupported )

        {

        // Turn on/off the main display 

        TInt err = UserSvr::HalFunction(EHalGroupDisplay, EDisplayHalSetState, (TAny*)aFlipOpen, NULL);

        if ( err == KErrNone )

            {

            TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::SetDisplayState: Main display state set: %d" ), aFlipOpen ) );

            }

        else

            {

            TRACES( RDebug::Print( _L( "CSysApDefaultKeyHandler::SetDisplayState: Main display state set failed: %d." ), err ) );

            }    

        }

    }

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

// CSysApDefaultKeyHandler::DoShowKeysLockedNote

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

//

TBool CSysApDefaultKeyHandler::DoShowKeysLockedNote()

    {

    TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::DoShowKeysLockedNote: iAknUiServerConnected=%d"), iAknUiServerConnected ) );

    TInt err(KErrNone);

    if ( !iAknUiServerConnected )

        {

        err = iAknUiServer.Connect();

        if ( err != KErrNone )

            {

            TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::DoShowKeysLockedNote: RAknUiServer::Connect failed, err=%d"), err ) );

            return ETrue; // assume that keypad/device is locked

            }

        iAknUiServerConnected = ETrue;            

        }

    TBool keysLocked;

    err = iAknUiServer.ShowKeysLockedNote( keysLocked );

    if ( err != KErrNone )

        {

        TRACES( RDebug::Print( _L("CSysApDefaultKeyHandler::DoShowKeysLockedNote: RAknUiServer::ShowKeysLockedNote failed, err=%d"), err ) );

        keysLocked = ETrue; // assume that keypad/device is locked

        }

    return keysLocked;        

    }

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

// CSysApDefaultKeyHandler::IsDeviceModeKey

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

//

TBool CSysApDefaultKeyHandler::IsDeviceModeKey( const TKeyEvent& aKeyEvent )

    {

    TBool response( EFalse );

    switch ( aKeyEvent.iCode )