/*

* 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:  Active Object operation for serving server logic requests

*				 for modification or deletion of triggers.

*

*/

// INCLUDE FILES

#include <lbtstartuptrigger.h>

#include <lbtsessiontrigger.h>

#include <lbtstartuptrigger.h>

#include <lbttriggerfilterbase.h>

#include <lbttriggerfilterbyattribute.h>

#include <lbttriggerfilterbyarea.h>

#include <lbttriggerfiltercomposite.h>

#include <lbttriggerconditionbase.h>

#include <lbttriggerconditionarea.h>

#include <lbtgeocircle.h>

#include <s32mem.h>

#include <e32cmn.h>

#include "lbttriggermodifyaooperation.h"

#include "lbtaoobserver.h"

#include "lbtcontainer.h"

#include "lbtglobal.h"

#include "lbtserverconsts.h"

#include "lbtcontainerextendedtriggerinfo.h"

#include "lbtcontainerupdatefilter.h"

#include "lbtcontainertriggerfilter.h"

#include "lbtserverlogicbase.h"

#include "lbtsettingsmanager.h"

#include "lbtlogger.h"

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

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

// CLbtTriggerModifyAOOperation::NewL

// Symbian Two - phase constructor

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

//

CLbtTriggerModifyAOOperation* CLbtTriggerModifyAOOperation::NewL( MLbtAOObserver& aObserver,

															      const RMessage2& aMessage,

															      CLbtContainer& aContainer,

															      TInt aClientType,

				    							                  CLbtSettingsManager& aSettingsManager )

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::NewL");

	CLbtTriggerModifyAOOperation* self = 

					new (ELeave) CLbtTriggerModifyAOOperation(aObserver, aMessage, aContainer, aClientType,aSettingsManager);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(); // self

	return self;

	}

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

// CLbtTriggerModifyAOOperation::~CLbtTriggerModifyAOOperation

// Destructor

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

//

CLbtTriggerModifyAOOperation::~CLbtTriggerModifyAOOperation()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::~CLbtTriggerModifyAOOperation");

	// If the operation is not complete yet then complete the 

	// message with server busy

	iContainer.RemoveObserver(this);

	if(IsActive())

		{

		Cancel();

		}

	delete iContainerEntry;

	iUpdatedTriggerList.ResetAndDestroy();

	}

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

// CLbtTriggerModifyAOOperation::CLbtTriggerModifyAOOperation

// C++ Default constructor

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

//

CLbtTriggerModifyAOOperation::CLbtTriggerModifyAOOperation( MLbtAOObserver& aObserver,

										 				    const RMessage2& aMessage,

										 				    CLbtContainer& aContainer,

										 				    TInt aClientType,

										 				    CLbtSettingsManager& aSettingsManager )

	: CLbtAOOperationBase(aObserver, aMessage, aContainer, aClientType),

	  iState(ENone),iSettingsManager( aSettingsManager )

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::CLbtTriggerModifyAOOperation");

	}

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

// CLbtTriggerModifyAOOperation::ConstructL

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

//

void CLbtTriggerModifyAOOperation::ConstructL()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::ConstructL");

	CActiveScheduler::Add(this);

	iTriggerId = KLbtNullTriggerId;

	}

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

// CLbtTriggerModifyAOOperation::RunL

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

//

void CLbtTriggerModifyAOOperation::RunL()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::RunL");

	switch ( iState )

	    {

	    case EListTriggers:

	        {

	        if ( iStatus.Int() == KErrNone &&

	             iUpdatedTriggerList.Count() )

	            {

	            UpdateTriggersL();

	            }

	        else

	            {

	            LbtGlobal::RequestComplete(iMessage, iStatus.Int());

	            iObserver.HandleOperationClosureL(this, iStatus.Int());

	            }

	        break;

	        }

	    case EUpdateTriggers: 

	        {

	        iState = ENone;

	        // Complete the request with the return code of container

        	LbtGlobal::RequestComplete(iMessage, iStatus.Int());

        	iObserver.HandleOperationClosureL(this, iStatus.Int());

        	break;

	        }

	    default:

	        break;

	    }

	}

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

// CLbtTriggerModifyAOOperation::DoCancel

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

//

void CLbtTriggerModifyAOOperation::DoCancel()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::DoCancel");

	// Cancel container notifications

	iContainer.CancelAsyncOperation(iAOIdentificationNum);

    if( iStatus.Int() == KLbtErrPartial )

      {

      LbtGlobal::RequestComplete(iMessage,KErrCancel);

      }

    else

      {

      LbtGlobal::RequestComplete(iMessage, iStatus.Int());

      }

	}

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

// CLbtTriggerModifyAOOperation::StartOperationL

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

//

void CLbtTriggerModifyAOOperation::StartOperationL()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::StartOperationL");

	/* The Update Operation involves the following steps,

	 * 1. First List Triggers has to be executed. This is necessary for 

	 *    obtaining the owner SID of the trigger / triggers on whom the operation

	 *    is to be performed. This is also needed to process the notification

	 *    requests from clients and management ui.

	 *

	 * 2. The actual modification operation is then performed.

	 *

	 * 3. The pending Notification requests are performed.

	 *

	 * Following is a table of possible combination of actions

	 * 

	 *  Client Type       Operation Requested             Operations Performed

	 *

	 *  Client Library           update                           list, modify

	 *  Client Library           delete                              modify

	 *

	 * Management Library    Update state of 1 trigger            list, modify

	 * Management Library    Update other param of own trigger    list, modify

	 * Management Library    Update other param of other trigger  none

	 * Management Library    Update state of many triggers        list, modify

	 * Management Library    Delete 1 trigger                     list, delete

	 * Management Library    Delete many triggers                 list, delete

	 */

    if ( CLbtServerLogicBase::TLbtClientLibrary == iClientType &&

         ELbtUpdateTrigger != iFunction )

        {

        // No need for list triggers in this case.

        TRAPD(error , UpdateTriggersL());

        if( error != KErrNone )

        	{

        	iObserver.HandleOperationClosureL(this, error);

        	}

        }

    else

        {

        ListTriggersL();

        }

	}

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

// CLbtTriggerModifyAOOperation::CancelModifyOperation

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

//

void CLbtTriggerModifyAOOperation::CancelModifyOperation()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::CancelModifyOperation");

	Cancel();

	// HandleOperationClosureL might leave either when it tries to unload strategy

	// or during notification. Nothing can be done when this happens. Hence it will 

	// be ignored.

    if( iStatus.Int() == KLbtErrPartial )

       {

       LOG("Partial completion");  

       TRAP_IGNORE( iObserver.HandleOperationClosureL( this,KErrNone ) );

       }

    else

       {

       TRAP_IGNORE( iObserver.HandleOperationClosureL( this,iStatus.Int() ) );

       }

    }

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

// CLbtTriggerModifyAOOperation::GetTriggerId

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

//

TLbtTriggerId CLbtTriggerModifyAOOperation::GetTriggerId()

	{

	FUNC_ENTER("CLbtTriggerModifyAOOperation::GetTriggerId");

	return iTriggerId;

	}

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

// CLbtTriggerModifyAOOperation::ListTriggersL

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

//

void CLbtTriggerModifyAOOperation::ListTriggersL()

    {

    FUNC_ENTER("CLbtTriggerModifyAOOperation::ListTriggersL");

    // The List Triggers operation is called for 2 reasons

    //

    // 1. The Container UpdateTrigger method does not take a filter. Hence the

    //    check to ensure that only the owner can modify its triggers requires

    //    a call to List Triggers. During Listing we add the owner SID also to

    //    the filter. If the List Trigger call returns any triggers then the 

    //    update operation can be executed. 

    //

    // 2. The Notification requires informaiton all triggers that have been 

    //    modified and the owners of the triggers as well. This information

    //    is not available form the IPC. The IPC contains only the application

    //    that requests the modification. This could be through the LT 

    //    management API, in which case that will not indicate the owner of the

    //    trigger.

	CLbtContainerListOptions* containerOptions = CLbtContainerListOptions::NewL();

	CleanupStack::PushL(containerOptions);

	CLbtListTriggerOptions* options = CLbtListTriggerOptions::NewL();

	CleanupStack::PushL(options);

    TLbtSecurityPolicy securityPolicy;

    switch( iFunction )

        {

		case ELbtUpdateTrigger:

		    {

		    CLbtTriggerEntry* trigger = 

		        InternalizeTriggerFromIpcLC( iMessage, KParamTriggerEntry );

            // Add a filter for the trigger Id.

			CLbtTriggerFilterByAttribute* filter = 

			                CLbtTriggerFilterByAttribute::NewLC();

			filter->AddTriggerIdL( trigger->Id() );

            options->SetFilter( filter );

			CleanupStack::Pop(filter);

            CleanupStack::PopAndDestroy( trigger );

            // Only the update trigger requires this check. All other client API

            // requests are directly executed since the owner SID check can be done

            // through filters.

            // For all other requests from management API, the check is not 

            // required since the management API has the permission to execute

            // the request on any trigger in the system.

            if ( CLbtServerLogicBase::TLbtClientLibrary == iClientType ||

                 (CLbtServerLogicBase::TLbtManagementLibrary == iClientType &&

                 CLbtTriggerEntry::EAttributeState != iMessage.Int0()) )

                {

    			securityPolicy.SetOwnerSecureId( iMessage.SecureId() );

                }

		    break;

		    }

		case ELbtDeleteTrigger:

		case ELbtSetTriggerState:

		    {

			TPckg<TLbtTriggerId> id(iTriggerId);

			LbtGlobal::Read(iMessage, KParamTriggerId, id);

			// Create a filter for the trigger Id

			CLbtTriggerFilterByAttribute* filter = 

			                CLbtTriggerFilterByAttribute::NewLC();

			filter->AddTriggerIdL( iTriggerId );

            options->SetFilter( filter );

			CleanupStack::Pop(filter);

			break;

		    }

		case ELbtDeleteTriggers:

		case ELbtSetTriggersState:

		    {

			CLbtTriggerFilterBase* filter = 

			    InternalizeFilterFromIpcLC( iMessage, KParamFilter );

            options->SetFilter( filter );

			CleanupStack::Pop(filter);

			break;

		    }

        }

    containerOptions->SetListOptions( options );

	CleanupStack::Pop( options );

	containerOptions->SetDataMask(CLbtTriggerEntry::EAttributeId | 

	    CLbtContainerTriggerEntry::EContainerAttributeOwnerSid);

	CleanupStack::Pop(containerOptions);    

	// List the triggers that require modification.

	iContainer.ListTriggers(containerOptions, iUpdatedTriggerList,iAOIdentificationNum,iStatus,securityPolicy);

    iState = EListTriggers;

	SetActive();

    }

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

// CLbtTriggerModifyAOOperation::CheckEnabledTriggerCap()

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

//

TBool CLbtTriggerModifyAOOperation::CheckEnabledTriggerCap()

	{

	TUint enabledValidTriggerCount = iContainer.GetCountOfEnabledAndValidTriggers();

	if( iSettingsManager.EnabledValidTriggerCount() > enabledValidTriggerCount )

		{

		// More triggers can be created. Return true

		return ETrue;

		}

	return EFalse;

	}

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

// CLbtTriggerModifyAOOperation::UpdateTriggersL()

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

//

void CLbtTriggerModifyAOOperation::UpdateTriggersL()

    {

    FUNC_ENTER("CLbtTriggerModifyAOOperation::UpdateTriggersL");

	switch(iFunction)

		{

		case ELbtUpdateTrigger:

			{

			HandleUpdateTriggerStateOpL();

			break;

			}

		case ELbtSetTriggerState:

		case ELbtSetTriggersState:

			{

			HandleModifyTriggerStateOpL();

			break;

			}

		case ELbtDeleteTrigger:

		case ELbtDeleteTriggers:

			{

			HandleDeleteTriggerOpL();

			break;

			}

		default:

			{

			User::Leave( KErrNotSupported );

			break;

			}

		}

    iState = EUpdateTriggers;

    }

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

// CLbtTriggerModifyAOOperation::HandleUpdateTriggerStateOpL()

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

//		

void CLbtTriggerModifyAOOperation::HandleUpdateTriggerStateOpL()

    {

    // Create the trigger entry object based on the type of trigger

    TLbtTriggerDataMask dataMask = 0;

	CLbtTriggerEntry* trigger = 

	    InternalizeTriggerFromIpcLC( iMessage, KParamTriggerEntry );

	if( iMessage.Int0() & CLbtTriggerEntry::EAttributeState )

		{

		if( trigger->State() == CLbtTriggerEntry::EStateEnabled)

			{

			if( !CheckEnabledTriggerCap() )

				{						

				CleanupStack::PopAndDestroy( trigger );

				LbtGlobal::RequestComplete(iMessage, KLbtErrMaxEnabledValidTriggersLimitExceeded);

				iObserver.HandleOperationClosureL(this, KLbtErrMaxEnabledValidTriggersLimitExceeded);

				return;

				}

			}

		}

	if( iMessage.Int0() & CLbtTriggerEntry::EAttributeCondition)

	    {

	    CLbtStartupTrigger* triggerEntry = static_cast<CLbtStartupTrigger*>

	                                                    ( trigger );

	    // Check whether the trigger radius is less than minimum 

	    // trigger radius.

	    if(triggerEntry->GetCondition()->Type() == CLbtTriggerConditionBase::ETriggerConditionArea)

    		{

    		// Get the condition area base

    		CLbtTriggerConditionArea* conditionArea = 

    				static_cast<CLbtTriggerConditionArea*>(triggerEntry->GetCondition());

    		// Check if the area is a circle

    		if(conditionArea->TriggerArea()->Type() == CLbtGeoAreaBase::ECircle)

    			{

    			CLbtGeoCircle* circle = static_cast<CLbtGeoCircle*>(conditionArea->TriggerArea());

    			// If the triggering area specified is less than the minimum triggering area

    			// the return KErrTriggerAreaTooSmall

    			if(circle->Radius() < iSettingsManager.MinimumTriggeringArea())

    				{

    				CleanupStack::PopAndDestroy( trigger );

    				LbtGlobal::RequestComplete(iMessage, KErrTriggerAreaTooSmall);

    				iObserver.HandleOperationClosureL(this, KErrTriggerAreaTooSmall);

    				return;

    				}

                }

    		}

	    }

	LOG1("Trigger updated:%d",trigger->Id());

	LOG1("State of updated trigger:%d",trigger->State());    

	CLbtExtendedTriggerInfo* extendedTriggerInfo = 

	                                            CLbtExtendedTriggerInfo::NewL();

	CleanupStack::PushL( extendedTriggerInfo );

    if( iFireOnUpdate == ELbtTrue )

        {

        extendedTriggerInfo->SetTriggerFireOnCreation( ETrue );

        }

    else

        {

        extendedTriggerInfo->SetTriggerFireOnCreation( EFalse );

        }

    dataMask|= CLbtContainerTriggerEntry::EContainerAttributeIsTriggerFireOnCreation;

	// Create the container trigger entry for the update operation

	iContainerEntry = CLbtContainerTriggerEntry::NewL(

	                                        trigger, NULL, extendedTriggerInfo );

	// Pop trigger since ownership is transferred to iContainerEntry

    CleanupStack::Pop( 2 );// extendedTriggerInfo,trigger

    // Register for container change event observer

    TLbtTriggerEventMask eventMask = 0;

    eventMask|= CLbtContainer::ELbtConTriggerNameFieldChanged|

                CLbtContainer::ELbtConTriggerStateFieldChanged|

                CLbtContainer::ELbtConTriggerRequestorFieldChanged|

                CLbtContainer::ELbtConTriggerManagerUiFieldChanged|        

                CLbtContainer::ELbtConTriggerConditionFieldChanged|

                CLbtContainer::ELbtConTriggerStartupFieldChanged;

    iContainer.SetChangeObserver( this ,eventMask );

    TLbtSecurityPolicy securityPolicy;

	// Change the state of the trigger owned by only the requesting 

	// client in case this is a req through LT client API.

	if ( iClientType == CLbtServerLogicBase::TLbtClientLibrary )

	    {

        securityPolicy.SetOwnerSecureId( iMessage.SecureId() );

	    }

	// The attribute field mask for updated fields is 

	// stores in IPC slot 0 ( 3 param).

	iContainer.UpdateTriggerL(*iContainerEntry, 

	                          dataMask,

	                          iMessage.Int0(),iAOIdentificationNum,

	                          iStatus,securityPolicy);

	SetActive();

    }

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

// CLbtTriggerModifyAOOperation::HandleModifyTriggerStateOpL()

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

//

void CLbtTriggerModifyAOOperation::HandleModifyTriggerStateOpL()

    {

    FUNC_ENTER("CLbtTriggerModifyAOOperation::HandleModifyTriggerStateOpL");

	CLbtTriggerFilterBase* filter = NULL;

	// coverity[var_decl : FALSE] 

	CLbtTriggerEntry::TLbtTriggerState triggerState;

	switch ( iFunction )

	    {

	    case ELbtSetTriggerState:

    	    {

    		// Read trigger id from IPC msg and create a filter

    		TPckg<TLbtTriggerId> id( iTriggerId );

    		LbtGlobal::Read( iMessage, KParamTriggerId, id );

    		TPckg<TLbtFireOnUpdate> fireUpdatePckg( iFireOnUpdate );