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/*
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* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Phonebook 2 command store.
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*
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*/
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// INCLUDE FILES
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#include "CPbk2CommandStore.h"
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#include "MPbk2CommandResourceRelease.h"
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// Phonebook 2
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#include <MPbk2Command.h>
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#include <MPbk2MenuCommandObserver.h>
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::CPbk2CommandStore
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// --------------------------------------------------------------------------
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//
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inline CPbk2CommandStore::CPbk2CommandStore() :
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iInputBlocker( NULL )
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{
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::~CPbk2CommandStore
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// --------------------------------------------------------------------------
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//
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CPbk2CommandStore::~CPbk2CommandStore()
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{
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iIdleDestructableCommands.Reset();
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iIdleDestructableCommands.Close();
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iCommandObservers.Reset();
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iCommandObservers.Close();
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iCommandArray.ResetAndDestroy();
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iCommandArray.Close();
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delete iIdleDestroyer;
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delete iInputBlocker;
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::NewL
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// --------------------------------------------------------------------------
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//
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EXPORT_C CPbk2CommandStore* CPbk2CommandStore::NewL()
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{
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CPbk2CommandStore* self = new ( ELeave ) CPbk2CommandStore;
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::ConstructL
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// --------------------------------------------------------------------------
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//
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inline void CPbk2CommandStore::ConstructL()
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{
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iIdleDestroyer = CIdle::NewL( CActive::EPriorityIdle );
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::AddMenuCommandObserver
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::AddMenuCommandObserver
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( MPbk2MenuCommandObserver& aObserver )
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{
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TRAP_IGNORE( iCommandObservers.AppendL( &aObserver ) );
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::RemoveMenuCommandObserver
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::RemoveMenuCommandObserver
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( MPbk2MenuCommandObserver& aObserver )
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{
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TInt index = iCommandObservers.Find( &aObserver );
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if ( index > KErrNotFound )
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{
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iCommandObservers.Remove( index );
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}
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::AddAndExecuteCommandL
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// --------------------------------------------------------------------------
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//
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EXPORT_C void CPbk2CommandStore::AddAndExecuteCommandL
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( MPbk2Command* aCommand )
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{
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const TInt KEmpty( 0 );
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if ( aCommand )
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{
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// If command array is empty, execute command.
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// Otherwise delete command to avoid overlapping commands.
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if ( iCommandArray.Count() == KEmpty )
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{
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// Avoid user input during command execution
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if( iInputBlocker )
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{
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iInputBlocker->Cancel();
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}
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iInputBlocker = CAknInputBlock::NewCancelHandlerLC( this );
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CleanupStack::Pop( iInputBlocker );
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iInputBlocker->SetCancelDelete( iInputBlocker );
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// notify all command observers
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for ( TInt i = 0; i < iCommandObservers.Count(); ++i )
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{
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iCommandObservers[i]->PreCommandExecutionL( *aCommand );
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}
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aCommand->AddObserver( *this );
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// Some command observers needs always postcommand call,
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// if ExecuteLD leaves
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TRAPD( err, aCommand->ExecuteLD() );
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if ( err != KErrNone )
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{
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for (TInt i = 0; i < iCommandObservers.Count(); ++i)
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{
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// ignore leave, we are leaving anyway after this
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TRAP_IGNORE
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( iCommandObservers[i]->PostCommandExecutionL( *aCommand ) );
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}
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// stop user input blocker
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if( iInputBlocker )
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{
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iInputBlocker->Cancel();
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}
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User::Leave( err );
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}
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User::LeaveIfError( iCommandArray.Append( aCommand ) );
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}
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else
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{
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delete aCommand;
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aCommand = NULL;
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}
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}
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::CommandFinished
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::CommandFinished( const MPbk2Command& aCommand )
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{
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// notify all command observers
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for (TInt i = 0; i < iCommandObservers.Count(); ++i)
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{
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TRAP_IGNORE
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( iCommandObservers[i]->PostCommandExecutionL( aCommand ) );
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}
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// stop user input blocker
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if( iInputBlocker )
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{
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iInputBlocker->Cancel();
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}
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// Add command to the list of idle destroyable objects
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iIdleDestructableCommands.Append( &aCommand );
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// Cancel any outstanding before starting new one.
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iIdleDestroyer->Cancel();
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// Request idle destruction. If the append above failed,
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// it doesn't matter. The command gets destructed then
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// at the Phonebook exit, when this objects destructor
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// deletes also commands in iCommandArray.
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iIdleDestroyer->Start( TCallBack(
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( &CPbk2CommandStore::IdleDestructorCallback ),this ) );
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::AknInputBlockCancel
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::AknInputBlockCancel()
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{
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iInputBlocker = NULL;
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::IdleDestructorCallback
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// --------------------------------------------------------------------------
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//
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TInt CPbk2CommandStore::IdleDestructorCallback( TAny* aSelf )
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{
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CPbk2CommandStore* self = static_cast<CPbk2CommandStore*>( aSelf );
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self->IdleDestructor();
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return EFalse;
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::IdleDestructor
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::IdleDestructor()
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{
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// Delete objects in idle destroyable array
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for (TInt i = 0; i < iIdleDestructableCommands.Count(); ++i)
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{
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MPbk2Command* idleDestCmd = iIdleDestructableCommands[i];
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for (TInt j = iCommandArray.Count()-1; j >= 0; --j)
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{
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MPbk2Command* arrayCmd = iCommandArray[j];
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if (idleDestCmd == arrayCmd)
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{
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iIdleDestructableCommands.Remove(i);
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// Try to get MPbk2ResourceRelease interface.
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TUid uid;
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uid.iUid = MPbk2ResourceReleaseUID;
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MPbk2ResourceRelease* release = static_cast<MPbk2ResourceRelease *>(idleDestCmd->CommandExtension(uid));
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if (release)
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{
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// Call ReleaseResource before delete.
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release->ReleaseResource();
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}
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// Remove from command array
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iCommandArray.Remove(j);
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delete idleDestCmd;
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idleDestCmd = NULL;
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break;
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}
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}
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}
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}
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// --------------------------------------------------------------------------
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// CPbk2CommandStore::DestroyAllCommands
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// --------------------------------------------------------------------------
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//
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void CPbk2CommandStore::DestroyAllCommands()
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{
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// Delete objects in idle commands array using CommandFinished
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for (TInt i = 0; i < iCommandArray.Count(); ++i)
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{
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MPbk2Command* destCmd = iCommandArray[i];
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CommandFinished ( *destCmd );
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}
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}
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// End of File
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