phoneapp/phoneuicontrol/src/cphonestatehandle.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:30:10 +0100
branchRCL_3
changeset 62 5266b1f337bd
parent 61 41a7f70b3818
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2005 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: Implementation of CPhoneStateHandle class.
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*
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*/
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// INCLUDE FILES
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#include <pevirtualengine.h>
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#include "phoneui.pan"
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#include "phoneconstants.h"
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#include "cphonestatehandle.h"
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#include "mphonestate.h"
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#include "phonelogger.h"
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#include "cphoneerrormessageshandler.h"
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// Constant defines state singleton priority which must be lower
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// than KUidNoteControllerSingleton priority(which is default 100) 
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// this ensures that NoteControl is destructed before iFactoryLibrary 
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// is closed.
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const TInt SingletonDestructionPriority(99);
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// ================= MEMBER FUNCTIONS =======================
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// -----------------------------------------------------------------------------
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// CPhoneStateHandle::CPhoneStateHandle
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CPhoneStateHandle::CPhoneStateHandle(
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    MPhoneViewCommandHandle* aViewCommandHandle) : 
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    CCoeStatic( KUidStateHandleSingleton, SingletonDestructionPriority ),
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    iViewCommandHandle( aViewCommandHandle )
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    {
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    }
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// Destructor
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CPhoneStateHandle::~CPhoneStateHandle()
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    {   
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    if ( iFactoryLibrary.Handle() )
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        {
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        delete iPhoneErrorMessagesHandler; 
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        delete iPhoneResourceResolver;
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        delete iPhoneStateMachine;
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        delete iStateMachineFactory;
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        iFactoryLibrary.Close();
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        }
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    }
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// ---------------------------------------------------------
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// CPhoneStateHandle::CreateL
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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CPhoneStateHandle* CPhoneStateHandle::CreateL( 
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    MPhoneViewCommandHandle* aViewCommandHandle,
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    const TDesC& aFileName, 
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    const TUid aFactoryUid )
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    {
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    CPhoneStateHandle* instance = static_cast<CPhoneStateHandle*>(
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        CCoeEnv::Static( KUidStateHandleSingleton ) );
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    if ( !instance )
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        {
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        instance = new( ELeave ) CPhoneStateHandle( aViewCommandHandle );
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        CleanupStack::PushL( instance );
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        instance->ConstructL( aFileName, aFactoryUid );
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        CleanupStack::Pop( instance );
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        }
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    return instance;
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    }
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// ---------------------------------------------------------
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// CPhoneStateHandle::InstanceL
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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EXPORT_C CPhoneStateHandle* CPhoneStateHandle::Instance()
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    {
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    CPhoneStateHandle* instance = static_cast<CPhoneStateHandle*>(
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        CCoeEnv::Static( KUidStateHandleSingleton ) );
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    __ASSERT_DEBUG( instance, Panic( EPhoneCtrlSingletonNotInitialized ) );
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    return instance;
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    }
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// ---------------------------------------------------------
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// CPhoneStateHandle::StateMachine
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// ---------------------------------------------------------
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//
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MPhoneStateMachine* CPhoneStateHandle::StateMachine()
0
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    {   
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    __ASSERT_DEBUG( Instance(), Panic( EPhoneCtrlSingletonNotInitialized ) );
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    return iPhoneStateMachine;
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    }
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// ---------------------------------------------------------
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// CPhoneStateHandle::ViewCommandHandle
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// ---------------------------------------------------------
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//
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EXPORT_C MPhoneViewCommandHandle* CPhoneStateHandle::ViewCommandHandle()
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    {
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    return iViewCommandHandle;        
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    }
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// -----------------------------------------------------------------------------
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// CPhoneStateHandle::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CPhoneStateHandle::ConstructL( 
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    const TDesC& aFileName,
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    const TUid aFactoryUid )
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    {
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    TFileName fileName( KDriveZ );
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    fileName.Append( KDC_SHARED_LIB_DIR );
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    fileName.Append( aFileName );	
0
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    LoadLibraryHandleL( fileName, aFactoryUid );
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    }
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// ---------------------------------------------------------
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// CPhoneStateHandle::LoadLibraryHandleL
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// ---------------------------------------------------------
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void CPhoneStateHandle::LoadLibraryHandleL( 
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    const TDesC& aFileName,
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    const TUid aFactoryUid )
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    {
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    TBool factoryFound = EFalse;
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    TParse fullentry;
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    fullentry.Set( aFileName, NULL, NULL );
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    if ( iFactoryLibrary.Load( fullentry.Name(), fullentry.DriveAndPath() ) 
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        == KErrNone )
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        {
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        if ( iFactoryLibrary.Type()[1] == aFactoryUid )
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            {
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            factoryFound = ETrue;
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            }
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        else
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            {
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            iFactoryLibrary.Close();
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            }
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        }
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    // If Factory not found:
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    if ( !factoryFound )
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        {
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        Panic( EPhoneCtrlFactoryLibraryNotFound );
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        }
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    // Look for the 1st exported function
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    iEntry = iFactoryLibrary.Lookup( KPhoneUiStateMachineOrdinal ); 
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    // Create the state machine factory
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    iStateMachineFactory = (CPhoneUIStateMachineFactoryBase*) iEntry();
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    // Create the state machine
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    iPhoneStateMachine = iStateMachineFactory->CreatePhoneStateMachineL(
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        iViewCommandHandle );
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    // Create the phone resource resolver
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    iPhoneResourceResolver = 
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        iStateMachineFactory->CreatePhoneResourceResolverL();
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    // Create the phone error messages handler    
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    iPhoneErrorMessagesHandler = 
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    	iStateMachineFactory->CreatePhoneErrorMessagesHandlerL( 
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    						iViewCommandHandle, iPhoneStateMachine );
0
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    }
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// End of File