/*

* Copyright (c) 2007 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:  LockApp Application UI class

*

*/

#include "lockappappui.h"

#include "lockappstatecontrol.h"

#include "lockappserver.h"

#include "lockapptrace.h"

#include <lockappclientserver.h>

#include <aknglobalpopupprioritycontroller.h>

#include <apgcli.h>

#ifdef __SAP_TERMINAL_CONTROL_FW

#include <SCPClient.h>

#endif // __SAP_TERMINAL_CONTROL_FW

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

// Second phase constructor

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

void CLockAppAppUi::ConstructL( )

    {

    	#if defined(_DEBUG)

    	INFO_4( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x8 );

    	#endif

   // default appui constructor has to be called

    BaseConstructL( );    	    

    TInt use_old_autolock=1;

    if(use_old_autolock)

    	{

			// start autolock instead of lockapp . This is a backup solution to use in case that not all SysAp and Avkon changes are implemented

			#if defined(_DEBUG)

	 	  INFO_4( "%s %s (%u) 1=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x1 );

 	  	#endif

	    TApaTaskList taskList( iCoeEnv->WsSession() );

	    TApaTask task( taskList.FindApp( _L("autolock.exe" )) );

	    if ( !task.Exists() )

	        {

	        RApaLsSession ls;                   

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

	        CleanupClosePushL(ls);         

	        CApaCommandLine* commandLine = CApaCommandLine::NewLC();

	        commandLine->SetExecutableNameL( _L("autolock.exe" ) );     

	        commandLine->SetCommandL( EApaCommandRun );

		    // Try to launch the application.        

	        User::LeaveIfError(ls.StartApp(*commandLine));

	        #if defined(_DEBUG)

	    	  INFO_4( "%s %s (%u) autolock.exe created=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x7 );

	    	  #endif

	        CleanupStack::PopAndDestroy(2); // commandLine, ls

			}

	    Exit();

	  }

    #if defined(_DEBUG)

    INFO( "CLockAppAppUi::ConstructL started" );

    #endif

    // start the server with the specified name

	iLockServer = CLockAppServer::NewL( KLockAppServerName );

    // status pane is should not be visible

    StatusPane()->MakeVisible( EFalse );

    // we need high priority even if lockapp is not in the foreground

    iEikonEnv->WsSession().ComputeMode( RWsSession::EPriorityControlDisabled );

    RThread().SetProcessPriority( EPriorityHigh );

    /*

     * LockApp is set as system application (Symbian terminology).

     * This means it does not get closed when system is asked to close applications.

     */

    iEikonEnv->SetSystem( ETrue );

#ifdef _GLOBAL_PRIORITY_SUPPORTED

    // Enable global popup notes

    AknGlobalPopupPriorityController::EnablePriorityControlL();

    AknGlobalPopupPriorityController::AllowGlobalPopups( ETrue );

#endif

    // main control storing and controling phone keylock/devicelock status

    iStateControl = CLockAppStateControl::NewL( );

    // the main control is given high stack priority

    // ECoeStackPriorityEnvironmentFilter-1 used to allow hw keys for keyfiler even if keypad is locked.

    AddToStackL( iStateControl, ECoeStackPriorityEnvironmentFilter-1, ECoeStackFlagStandard );

    #if defined(_DEBUG)

    INFO( "CLockAppAppUi::ConstructL finished" );

    #endif

    }

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

// Default Constructor

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

CLockAppAppUi::CLockAppAppUi( )

    {

    // no implementation required

    }

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

// Destructor

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

CLockAppAppUi::~CLockAppAppUi( )

    {

	if ( iLockServer )

		{

		delete iLockServer;

		iLockServer = NULL;

		}

    if ( iStateControl )

        {

        // remove main control from stack

        RemoveFromStack( iStateControl );

        delete iStateControl;

        iStateControl = NULL;

        }

    }

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

// Returns interface to LockAppServer sessions for changing lock states

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

MLockAppStateControl* CLockAppAppUi::StateControl( )

    {

    return iStateControl;

    }

#ifdef __SAP_TERMINAL_CONTROL_FW

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

// Handles the TARM command to unlock the phone from WindowServer.

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

MCoeMessageObserver::TMessageResponse CLockAppAppUi::HandleMessageL(

        TUint32 aClientHandleOfTargetWindowGroup,

        TUid aMessageUid,

        const TDesC8& aMessageParameters )

    {

    MCoeMessageObserver::TMessageResponse messageResponse( EMessageHandled);

    if ( aMessageUid.iUid == SCP_CMDUID_UNLOCK)

        {

        // For security reasons we must check from the SCP server

        // did this command originate from it.

        RSCPClient scpClient;

        if ( scpClient.Connect() == KErrNone )

            {

            CleanupClosePushL( scpClient );

            if ( scpClient.QueryAdminCmd( ESCPCommandUnlockPhone ) )

                {

                #if defined(_DEBUG)    

                INFO( "CLockAppAppUi::HandleMessageL(): Admin command received, unlocking" );

                #endif

                iStateControl->DisableDevicelockL();

                }

            else

                {

                #if defined(_DEBUG)    

                INFO( "CLockAppAppUi::HandleMessageL(): Unauthorized attempt to unlock" );

                #endif

                }

            CleanupStack::PopAndDestroy(); // calls Close() on scpClient

            }

        else

            {

            #if defined(_DEBUG)    

            INFO( "CLockAppAppUi::HandleMessageL(): Failed to connect to SCP, ignoring unlock-message." );

            #endif

            }

        }

    else // aMessageUid.iUid != SCP_CMDUID_UNLOCK

        {

        messageResponse = CAknAppUi::HandleMessageL(

                aClientHandleOfTargetWindowGroup,

                aMessageUid,

                aMessageParameters);

        }

    return messageResponse;

    }

#endif // __SAP_TERMINAL_CONTROL_FW

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

// Handle window-server events

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

void CLockAppAppUi::HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination )

    {

    #if defined(_DEBUG)

		INFO_4( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0 );

		#endif

    if ( aEvent.Type() == TRawEvent::EKeyDown )

        {

        #if defined(_DEBUG)

        INFO_1("CLockAppAppUi::HandleWsEventL() - aEvent.Key()->iCode: %d", aEvent.Key()->iCode );

        #endif

        }

    // call super-class

    CAknAppUi::HandleWsEventL( aEvent, aDestination );

    // propagate call

    iStateControl->HandleWsEventL( aEvent, aDestination);

    }

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

// From @c CAknAppUiBase. Overriden the parent method, because otherwise

// the main lock state control would not receive the call, because is is not

// window-owning control (=without window->not visible). The call is needed

// because the main state control owns window-owning child controls.

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

void CLockAppAppUi::HandleResourceChangeL( TInt aType )

    {

    // call super-class

    CAknAppUi::HandleResourceChangeL( aType );

    // propagate call - since does not own window

    iStateControl->HandleResourceChange( aType );

    }