/*
* Copyright (c) 2005 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 of CPhoneEmergency class.
*
*/


// INCLUDES
#include <eikmenub.h>
#include <StringLoader.h>
#include <ccpdefs.h>
#include <featmgr.h>
#include <cpephonemodelif.h>
#include <mpeengineinfo.h>


#include "cphoneemergency.h"
#include "tphonecmdparamstring.h"
#include "tphonecmdparaminteger.h"
#include "tphonecmdparamboolean.h"
#include "tphonecmdparamemergencycallheaderdata.h"
#include "tphonecmdparamcallheaderdata.h"
#include "tphonecmdparamkeycapture.h"
#include "mphonestatemachine.h"
#include "phonestatedefinitionsgsm.h"
#include "phoneviewcommanddefinitions.h"
#include "phoneui.hrh"
#include "phonerssbase.h"
#include "cphonemainresourceresolver.h"
#include "phonelogger.h"
#include "cphonepubsubproxy.h"
#include "cphonekeys.h"
#include "tphonecmdparamaudiooutput.h"
#include "phoneresourceids.h"

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

// C++ default constructor can NOT contain any code, that
// might leave.
//
CPhoneEmergency::CPhoneEmergency(
    MPhoneStateMachine* aStateMachine,
    MPhoneViewCommandHandle* aViewCommandHandle,
    MPhoneCustomization* aPhoneCustomization ) :
    CPhoneGsmInCall( aStateMachine, aViewCommandHandle, aPhoneCustomization ),
    iCallSetup( ETrue )
    {
    }

// -----------------------------------------------------------
// CPhoneEmergency::~CPhoneEmergency()
// Destructor
// (other items were commented in a header).
// -----------------------------------------------------------

CPhoneEmergency::~CPhoneEmergency()
    {
    }

// -----------------------------------------------------------
// CPhoneEmergency::ConstructL()
// Constructor
// (other items were commented in a header).
// -----------------------------------------------------------
//
void CPhoneEmergency::ConstructL()
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::ConstructL()");
    CPhoneGsmInCall::ConstructL();
    }

// -----------------------------------------------------------
// CPhoneEmergency::NewL()
// Constructor
// (other items were commented in a header).
// -----------------------------------------------------------
//
CPhoneEmergency* CPhoneEmergency::NewL(
    MPhoneStateMachine* aStateMachine,
    MPhoneViewCommandHandle* aViewCommandHandle,
    MPhoneCustomization* aPhoneCustomization )
    {
    CPhoneEmergency* self = new (ELeave)
        CPhoneEmergency( aStateMachine, aViewCommandHandle, aPhoneCustomization );

    CleanupStack::PushL( self );
    self->ConstructL();
    CleanupStack::Pop( self );

    return self;
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleNumberEntryClearedL()
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleNumberEntryClearedL()
    {
    __LOGMETHODSTARTEND(EPhoneUIStates,
        "CPhoneEmergency::HandleNumberEntryClearedL()");
    UpdateUiCommands();
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandlePhoneEngineMessageL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandlePhoneEngineMessageL(
    const TInt aMessage,
    TInt aCallId )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates,
        "CPhoneEmergency::HandlePhoneEngineMessageL() ");
    switch ( aMessage )
        {
        case MEngineMonitor::EPEMessageIdle:
            iCallSetup = ETrue;
            HandleIdleL( aCallId );
            iConnected = EFalse;
            break;

        case MEngineMonitor::EPEMessageDialing:
            HandleDialingL( aCallId );
            break;

        case MEngineMonitor::EPEMessageConnected:
            if( iCallSetup )
                {
                HandleConnectingL( aCallId );
                iCallSetup = EFalse;
                }
            HandleConnectedL( aCallId );
            iConnected = ETrue;
            break;

        case MEngineMonitor::EPEMessageConnecting:
            HandleConnectingL( aCallId );
            iCallSetup = EFalse;
            break;

        case MEngineMonitor::EPEMessageDisconnecting:
            // Explicitly override this handling from CPhoneStateInCall
            // where DTMF sending is cancelled and that causes emergency
            // progress bar destroyed
            CPhoneState::HandlePhoneEngineMessageL( aMessage, aCallId );
            break;

        case MEngineMonitor::EPEMessageAudioOutputChanged:
            if ( iCallSetup )
                {
                HandleAudioOutputChangedL();
                }
            else
                {
                CPhoneGsmInCall::HandlePhoneEngineMessageL( aMessage, aCallId );
                }
            break;

        case MEngineMonitor::EPEMessageStoppedDTMF:      // fall through
        case MEngineMonitor::EPEMessageSentDTMF:         // fall through
        case MEngineMonitor::EPEMessageDTMFSendingAborted:
            CPhoneGsmInCall::HandlePhoneEngineMessageL( aMessage, aCallId );
            if ( iStateMachine->PhoneEngineInfo()->CallState( KPEEmergencyCallId ) == EPEStateDialing )
                {
                UpdateSetupCbaL();
                }
            break;
            
        case MEngineMonitor::EPEMessageColpNumberAvailable:
            //Don't show COLP note during emergency call.
            break; 

        default:
            CPhoneGsmInCall::HandlePhoneEngineMessageL(
                aMessage, aCallId );
            break;
        }
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleIdleL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleIdleL( TInt aCallId )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleIdleL() ");
    // Re-enable global notes, this enables secui (if needed) to come on top
    // if call creation was rejected by user
    TPhoneCmdParamBoolean globalNotifierParam;
    globalNotifierParam.SetBoolean( EFalse );
    iViewCommandHandle->ExecuteCommandL( EPhoneViewSetGlobalNotifiersDisabled,
        &globalNotifierParam );

    if ( aCallId == KEmergencyCallId )
        {
        iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveCallHeader, aCallId );
        // Remove emergency connecting note if still there
        iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveNote );
        
        TPhoneCmdParamKeyCapture captureParam;
        captureParam.SetKeyCode( EKeyNo );
        iViewCommandHandle->ExecuteCommand( 
                EPhoneViewStopCapturingKey, &captureParam );

        SetBackButtonActive(ETrue);
        
        const TBool isSimStateNotPresentWithSecurityMode = IsSimStateNotPresentWithSecurityModeEnabled();
        // Sim IS not ok when making emergency call from Pin query, no note
        if ( (!IsSimOk() && !iStartupInterrupted) || isSimStateNotPresentWithSecurityMode )
            {
            StartShowSecurityNoteL();
            }
        else
            {
            if ( iDeviceLockOn  )
                {
                // Continue displaying current app but set up the
                // idle screen in the background
                RemoveDialogsAndSendPhoneToBackgroundL();
                }

            else if ( iNumberEntryManager->IsNumberEntryContentStored() || 
                    iNumberEntryManager->IsNumberEntryUsedL() )
                {
                iNumberEntryManager->SetNumberEntryVisibilityL(ETrue);
                }
            
            else
                {
                RemoveDialogsAndSendPhoneToBackgroundL();
                }

            if ( iConnected )
                {
                DisplayCallTerminationNoteL();
                }
            }

        // Go to emergency idle state or to startup state if emergency call
        // initiated from PIN query
        if ( iStartupInterrupted )
            {
            iStartupInterrupted = EFalse;
            iStateMachine->ChangeState( EPhoneStateStartup );
            }
        else
            {
            if ( !isSimStateNotPresentWithSecurityMode )
                {
                SetDefaultFlagsL();
                }
            
            // As long as security note is not shown with feature flag 
            // KFeatureIdFfSimlessOfflineSupport undef it is ok to do RemoveDialogsAndSendPhoneToBackgroundL.
            if ( ( !iNumberEntryManager->IsNumberEntryUsedL() ) && 
                 !( IsSimStateNotPresentWithSecurityModeEnabled() && 
                    !FeatureManager::FeatureSupported( KFeatureIdFfSimlessOfflineSupport ) ) )
                {
                TPhoneCmdParamBoolean securityMode;
                iViewCommandHandle->ExecuteCommandL( EPhoneViewGetSecurityModeStatus, &securityMode );
                if ( !securityMode.Boolean() )
                    {
                    RemoveDialogsAndSendPhoneToBackgroundL();
                    }
                }
            iStateMachine->ChangeState( EPhoneStateIdle );
            }
        }
    else
        {
        iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveAllCallHeaders );
        }
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleDialingL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleDialingL( TInt aCallId )
    {
    // Discard all messages related to other calls than the emergency call
    // We trust that the ISA call server has taken care of them. However,
    // there could be a race condition between returning to Normal
    // mode (receiving a network registration status message from PE)
    // and receiving an EPEMessageDialling message. This can occur
    // because PE messages are processed asynchronously.
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleDialingL() ");
    if ( aCallId == KPEEmergencyCallId )
        {
        iDeviceLockOn = IsAutoLockOn();
        TPhoneCmdParamBoolean globalNotifierParam;
        globalNotifierParam.SetBoolean( ETrue );
        iViewCommandHandle->ExecuteCommandL(
            EPhoneViewSetGlobalNotifiersDisabled,
            &globalNotifierParam );

        TPhoneCmdParamKeyCapture captureParam;
        captureParam.SetKeyCode( EKeyNo );
        iViewCommandHandle->ExecuteCommand( EPhoneViewStartCapturingKey, &captureParam );
        
        iViewCommandHandle->ExecuteCommandL( EPhoneViewBringPhoneAppToForeground );
        if ( iNumberEntryManager->IsNumberEntryUsedL() )
            {
            // Remove number entry
            iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveNumberEntry );
            }

        // Remove exit emergency mode query, if it exists
        iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveQuery );
        
        BeginUiUpdateLC();

        // Notify the view
        iViewCommandHandle->ExecuteCommandL(
            EPhoneViewCreateEmergencyCallHeader,
            aCallId );
       
        SetBackButtonActive(EFalse);
        EndUiUpdate();
        UpdateSetupCbaL();
        }
    }
// -----------------------------------------------------------
// CPhoneEmergency::HandleConnectingL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleConnectingL( TInt aCallId )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleConnectingL() ");
    iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveGlobalNote );
    TPhoneCmdParamBoolean globalNotifierParam;
    globalNotifierParam.SetBoolean( EFalse );
    iViewCommandHandle->ExecuteCommandL( EPhoneViewSetGlobalNotifiersDisabled,
        &globalNotifierParam );
    iViewCommandHandle->ExecuteCommandL( EPhoneViewSetEikonNotifiersDisabled,
          &globalNotifierParam );
    
    iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveNote );

    // Notify the view
    iViewCommandHandle->ExecuteCommandL(
        EPhoneViewUpdateBubble,
        aCallId );

    SetToolbarButtonLoudspeakerEnabled();
    UpdateUiCommands();
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleConnectedL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleConnectedL( TInt aCallId )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleConnectedL() ");
    BeginUiUpdateLC();
    iViewCommandHandle->ExecuteCommandL(
        EPhoneViewUpdateBubble,
        aCallId );
    SetBackButtonActive(ETrue);
    UpdateUiCommands();
    EndUiUpdate();
    }

// --------------------------------------------------------------
// CPhoneEmergency::HandleKeyMessageL
// --------------------------------------------------------------
//
void CPhoneEmergency::HandleKeyMessageL(
    TPhoneKeyEventMessages aMessage,
    TKeyCode aCode )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleKeyMessageL()");
    switch ( aCode )
        {
        case EKeyNo: // end-key
            DisconnectEmergencyCallL();
            break;

        case EKeyYes: // send-key
             if( iNumberEntryManager->IsNumberEntryVisibleL() )
                {
                TPhoneCmdParamInteger numberEntryCountParam;
                    iViewCommandHandle->ExecuteCommandL( 
                            EPhoneViewGetNumberEntryCount,
                            &numberEntryCountParam );
                TInt neLength( numberEntryCountParam.Integer() );
                if ( neLength )
                    {
                    SendGlobalErrorNoteL( EPhoneNoteTextNotAllowed, ETrue );
                    }
                else
                    {
                    iNumberEntryManager->CallFromNumberEntryL();
                    }
                }
            else
                {
                SendGlobalErrorNoteL( EPhoneNoteTextNotAllowed, ETrue );
                }
            break;

        default:
            {
            CPhoneGsmInCall::HandleKeyMessageL( aMessage, aCode );
            break;
            }
        }
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleCommandL
// -----------------------------------------------------------
//
TBool CPhoneEmergency::HandleCommandL( TInt aCommand )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleCommandL()");
    TBool commandStatus = ETrue;
    switch( aCommand )
        {
        case EPhoneInCallCmdDtmfManualQuery:
            if ( iStateMachine->PhoneEngineInfo()->CallState( KPEEmergencyCallId ) == EPEStateDialing )
                {
                // Remove emergency connecting note
                iViewCommandHandle->ExecuteCommandL( EPhoneViewRemoveNote );
                }
            commandStatus = CPhoneGsmInCall::HandleCommandL( aCommand );
            break;

        case EPhoneDtmfDialerExit:      // fall through
        case EPhoneDtmfDialerCancel:
             {
             if ( iStateMachine->PhoneEngineInfo()->CallState( KPEEmergencyCallId ) == EPEStateDialing )
                 {
                 UpdateSetupCbaL();
                 }
             else
                 {
                 commandStatus = CPhoneGsmInCall::HandleCommandL( aCommand );
                 }
             }
             break;

        case EPhoneInCallCmdEndThisOutgoingCall:
        case EPhoneInCallCmdEndThisActiveCall:
            DisconnectEmergencyCallL();
            break;

        default:
            commandStatus = CPhoneGsmInCall::HandleCommandL( aCommand );
            break;
        }
    return commandStatus;
    }

// -----------------------------------------------------------
// CPhoneEmergency::DisconnectEmergencyCallL
// -----------------------------------------------------------
//
void CPhoneEmergency::DisconnectEmergencyCallL()
    {
    __LOGMETHODSTARTEND(EPhoneUIStates,
        "CPhoneEmergency::DisconnectEmergencyCallL()");
    iStateMachine->SetCallId( KEmergencyCallId );
    iStateMachine->SendPhoneEngineMessage(
        CPEPhoneModelIF::EPEMessageRelease );
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleErrorL
// Emergency handling for HandleError message
// (other items were commented in a header).
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleErrorL( const TPEErrorInfo& aErrorInfo )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleError()");

    switch( aErrorInfo.iErrorCode )
        {
        case ECCPErrorCCNoRouteToDestination:
        case ECCPErrorUnacceptableChannel:
        case ECCPErrorCCDestinationOutOfOrder:
        case ECCPErrorNetworkOutOfOrder:
        case ECCPErrorAccessInformationDiscarded:
        case ECCPErrorCCResourceNotAvailable:
        case ECCPErrorQualityOfServiceNotAvailable:
        case ECCPErrorInvalidCallReferenceValue:
        case ECCPErrorBadRequest:
        case ECCPErrorConnectionError:
        case ECCPErrorCCIncompatibleMessageInProtocolState:
        case ECCPErrorCCNoChannelAvailable:
        case ECCPErrorNetworkBusy:
        case ECCPEmergencyFailed:
            SendGlobalErrorNoteL( EPhoneNoteNoNetworkCallEmergency, ETrue );
            break;

       default:
        __PHONELOG1(
            EOnlyFatal,
            EPhoneUIStates,
            "PHONEUI_ERROR: CPhoneEmergency::HandleError - Error send to PhoneState (err=%d)",
            aErrorInfo.iErrorCode);
            CPhoneState::HandleErrorL( aErrorInfo );
            break;
        }
    }

// -----------------------------------------------------------
// CPhoneEmergency::HandleKeyEventL
// -----------------------------------------------------------
//
void CPhoneEmergency::HandleKeyEventL(
    const TKeyEvent& aKeyEvent,
    TEventCode aEventCode )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::HandleKeyEventL( ) ");
    CPhoneState::HandleKeyEventL( aKeyEvent, aEventCode );
    }

// -----------------------------------------------------------
// CPhoneEmergency::SendKeyEventL
// -----------------------------------------------------------
//
void CPhoneEmergency::SendKeyEventL(
    const TKeyEvent& aKeyEvent,
    TEventCode aEventCode )
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::SendKeyEventL( ) ");
    switch( aEventCode )
        {
        case EEventKey:
            {
            // Convert key code to western.
            TBuf<1> buffer; // one character
            buffer.Append( aKeyEvent.iCode );
            __PHONELOG1( EBasic, EPhoneControl,
                "CPhoneEmergency::SendKeyEventL(%S)",
                &buffer );
            TLex code( buffer );
            // Save the key code
            iStateMachine->PhoneEngineInfo()->SetKeyCode( code.Peek() );
            iStateMachine->SendPhoneEngineMessage(
                CPEPhoneModelIF::EPEMessagePlayDTMF );
            }
            break;
        case EEventKeyUp:
            // Send a key up event for the last key code sent to
            // the phone engine
            iStateMachine->SendPhoneEngineMessage(
                CPEPhoneModelIF::EPEMessageEndDTMF );
            break;
        default:
            break;
        }
    }

// -----------------------------------------------------------------------------
// CPhoneEmergency::HandleAudioOutputChangedL
// for setup
// -----------------------------------------------------------------------------
//
void CPhoneEmergency::HandleAudioOutputChangedL()
    {
    __LOGMETHODSTARTEND(EPhoneControl, "CPhoneEmergency::HandleAudioOutputChangedL( ) ");    
    TPhoneCmdParamAudioOutput outputParam;
    outputParam.SetAudioOutput( 
            iStateMachine->PhoneEngineInfo()->AudioOutput() );
    iViewCommandHandle->ExecuteCommandL( 
            EPhoneViewActivateAudioPathUIChanges,
            &outputParam );
    UpdateUiCommands();
    }

// -----------------------------------------------------------------------------
// CPhoneEmergency::SetStartupInterrupted
// -----------------------------------------------------------------------------
//
void CPhoneEmergency::SetStartupInterrupted( const TBool aStartupInterrupted )
    {
    iStartupInterrupted = aStartupInterrupted;
    }

// -----------------------------------------------------------
// CPhoneEmergency::UpdateSetupCbaL
// -----------------------------------------------------------
//
void CPhoneEmergency::UpdateSetupCbaL()
    {
    __LOGMETHODSTARTEND(EPhoneUIStates, "CPhoneEmergency::UpdateSetupCbaL() ");
    UpdateUiCommands();
    }

// -----------------------------------------------------------------------------
// CPhoneEmergency::HandleRemConCommandL
// -----------------------------------------------------------------------------
//
EXPORT_C TBool CPhoneEmergency::HandleRemConCommandL(
    TRemConCoreApiOperationId aOperationId,
    TRemConCoreApiButtonAction aButtonAct )
    {
    __LOGMETHODSTARTEND(EPhoneControl, "CPhoneEmergency::MrccatoCommand() ");
    TBool handled = EFalse;
    switch ( aOperationId )
        {
         case ERemConCoreApiMute:
             __PHONELOG( EBasic, EPhoneControl, "CPhoneEmergency::MrccatoCommand emerg. call no muting" );
             // Not Allowed
             break;
         default:
             handled = CPhoneState::HandleRemConCommandL( aOperationId, aButtonAct );
             break;
        }
    return handled;
    }

// End of File