deviceencryption/DevEncUi/src/DevEncUiMainView.cpp
changeset 14 1957042d8c7e
parent 1 d1daf54a55b5
child 16 ada7962b4308
--- a/deviceencryption/DevEncUi/src/DevEncUiMainView.cpp	Tue Feb 02 00:03:31 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,441 +0,0 @@
-/*
-* 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 CDevEncUiMainView.
-*
-*/
-
-// INCLUDES
-
-//  Class include
-#include "DevEncUiMainView.h"
-
-// System includes
-#include <aknnotewrappers.h>
-#include <aknViewAppUi.h>	// CAknViewAppUi
-#include <DevEncUi.rsg>
-#include <e32cmn.h>
-#include <StringLoader.h>
-#include <DevEncExternalCRKeys.h>
-
-// User includes
-#include "DevEncLog.h"
-#include "DevEnc.hrh"
-#include "DevEncUiEncryptionOperator.h"
-
-#include "DevEncUiMainViewContainer.h"
-#include "DevEncUiMemoryEntity.h"
-
-// ================= MEMBER FUNCTIONS =======================
-
-/**
-* Destructor.  Frees up memory for the iLabel.
-*/
-CDevEncUiMainView::~CDevEncUiMainView()
-	{
-    for ( TInt i = 0; i < iMemEntities.Count(); i++ )
-        {
-        iMemEntities[i]->RemoveObserver( iContainer );
-        }
-	delete iContainer;
-    delete iEncOperator;
-	}
-
-/**
-* Symbian OS 2 phase constructor.
-* Constructs the CDevEncUiMainView using the NewLC method, popping
-* the constructed object from the CleanupStack before returning it.
-*
-* @param aRect The rectangle for this window
-* @return The newly constructed CDevEncUiMainView
-*/
-CDevEncUiMainView* CDevEncUiMainView::NewL(
-                               RArray<CDevEncUiMemoryEntity*>& aMemEntities,
-                               CRepository*& aCrSettings,
-                               TInt& aMmcStatus )
-	{
-	CDevEncUiMainView* self = CDevEncUiMainView::NewLC( aMemEntities,
-                                                        aCrSettings,
-                                                        aMmcStatus );
-	CleanupStack::Pop( self );
-	return self;
-	}
-
-/**
-* Symbian OS 2 phase constructor.
-* Constructs the CDevEncUiMainView using the constructor and ConstructL
-* method, leaving the constructed object on the CleanupStack before returning it.
-*
-* @param aRect The rectangle for this window
-* @return The newly constructed CDevEncUiMainView
-*/
-CDevEncUiMainView* CDevEncUiMainView::NewLC(
-                               RArray<CDevEncUiMemoryEntity*>& aMemEntities,
-                               CRepository*& aCrSettings,
-                               TInt& aMmcStatus )
-	{
-	CDevEncUiMainView* self =
-        new ( ELeave ) CDevEncUiMainView( aMemEntities,
-                                          aCrSettings,
-                                          aMmcStatus );
-	CleanupStack::PushL( self );
-	self->ConstructL();
-	return self;
-	}
-
-CDevEncUiMainView::CDevEncUiMainView( RArray<CDevEncUiMemoryEntity*>& aMemEntities,
-                                      CRepository*& aCrSettings,
-                                      TInt& aMmcStatus )
-    : iMemEntities( aMemEntities ),
-      iCrSettings( aCrSettings ),
-      iMmcStatus( aMmcStatus )
-	{
-	}
-
-/**
-* Symbian OS 2nd phase constructor.
-* Uses the superclass constructor to construct the view
-*/
-void CDevEncUiMainView::ConstructL()
-	{
-	BaseConstructL( R_DEVENCUI_MAINVIEW );
-
-    iContainer = CDevEncUiMainViewContainer::NewL( AppUi()->ClientRect(),
-												   iMemEntities,
-                                                   *this,
-                                                   iCrSettings,
-                                                   iMmcStatus );
-    iContainer->SetMopParent( this );
-
-    for ( TInt i = 0; i < iMemEntities.Count(); i++ )
-        {
-        iMemEntities[i]->AddObserverL( iContainer );
-        }
-    }
-
-/**
-* Called by the framework
-* @return The Uid for this view
-*/
-TUid CDevEncUiMainView::Id() const
-	{
-	return TUid::Uid( EDevEncUiMainViewId );
-	}
-
-/**
-* Called by the framework when the view is activated.
-* Adds the container to the control stack.
-*/
-void CDevEncUiMainView::DoActivateL( const TVwsViewId& /*aPrevViewId*/,
-									 TUid /*aCustomMessageId*/,
-									 const TDesC8& /*aCustomMessage*/)
-    {
-    AppUi()->AddToStackL( *this, iContainer );
-    
-    if ( iEikonEnv->StartedAsServerApp() )
-        {
-        CEikButtonGroupContainer* cba = Cba();
-        cba->SetCommandSetL( R_AVKON_SOFTKEYS_OPTIONS_BACK );
-        }
-    }
-
-/**
-* Called by the framework when the view is deactivated.
-* Removes the container from the control stack.
-*/
-void CDevEncUiMainView::DoDeactivate()
-	{
-	if ( iContainer )
-		{
-		AppUi()->RemoveFromStack( iContainer );
-		}
-	}
-
-/**
-* From CEikAppUi, takes care of command handling for this view.
-*
-* @param aCommand command to be handled
-*/
-void CDevEncUiMainView::HandleCommandL( TInt aCommand )
-	{
-
-	switch ( aCommand )
-		{
-        case EDevEncUiCommandChange:
-            {
-            // Show the toggle popup
-            if ( iContainer->ChangeSelectedItemL() )
-                {
-                // The user made a new selection
-                TDevEncUiMemoryType memoryType =
-                    static_cast<TDevEncUiMemoryType>( iContainer->SelectedItem() );
-                EncryptionStatusChangeReq( memoryType );
-                }
-            break;
-            }
-		default:
-			{
-			AppUi()->HandleCommandL( aCommand );
-			break;
-			}
-		}
-	}
-
-void CDevEncUiMainView::DynInitMenuPaneL( TInt aResourceId,
-                                          CEikMenuPane* aMenuPane )
-    {
-    if ( ! iContainer ||
-         iMemEntities.Count() == 0 )
-        {
-        return;
-        }
-
-    // Disable the "Change" menu item if an encryption operation is ongoing
-    if ( aResourceId == R_DEVENCUI_MENU_MAIN )
-        {
-        TBool proceed( ETrue );
-        TInt dmControl( 0 );
-        TInt err = iCrSettings->Get( KDevEncUiDmControl, dmControl );
-        if ( err )
-            {
-            DFLOG2( "Cenrep error %d", err );
-            User::Leave( err );
-            }
-
-        // Check if phone memory encryption is controlled by dev management
-        if ( ( dmControl & KDmControlsPhoneMemory ) &&
-             ( iContainer->SelectedItem() == EPhoneMemory ) )
-            {
-            // Selected memory is controlled by DM -> disable "Change"
-            aMenuPane->SetItemDimmed( EDevEncUiCommandChange, ETrue );
-            proceed = EFalse;
-            }
-
-        // Check if memory card encryption is controlled by dev management
-        if ( ( dmControl & KDmControlsMemoryCard ) &&
-             ( iContainer->SelectedItem() == EMemoryCard ) )
-            {
-            // Selected memory is controlled by DM -> disable "Change"
-            aMenuPane->SetItemDimmed( EDevEncUiCommandChange, ETrue );
-            proceed = EFalse;
-            }
-
-        if ( !proceed )
-            {
-            DFLOG( "Hiding Change, item is controlled by DM" );
-            return;
-            }
-
-        // Show the "Change" item if encryption status can be changed
-        TBool allowChange( EFalse );
-        if ( ( iMemEntities[ EMemoryCard ]->State() == EUnmounted  ||
-               iMemEntities[ EMemoryCard ]->State() == EDecrypted ||
-               iMemEntities[ EMemoryCard ]->State() == EEncrypted ) &&
-               ( iMemEntities[ EPhoneMemory ]->State() == EDecrypted ||
-                 iMemEntities[ EPhoneMemory ]->State() == EEncrypted ) )
-            {
-            allowChange = ETrue;
-            }
-
-        if ( allowChange )
-            {
-            aMenuPane->SetItemDimmed( EDevEncUiCommandChange, EFalse );
-            }
-        else
-            {
-            aMenuPane->SetItemDimmed( EDevEncUiCommandChange, ETrue );
-            }
-        }
-    }
-
-
-
-CDevEncUiAppUi& CDevEncUiMainView::GetAppUi()
-	{
-	CAknViewAppUi* aknViewAppUi = AppUi();
-    CDevEncUiAppUi* appUi = reinterpret_cast<CDevEncUiAppUi*>( aknViewAppUi );
-	return ( *appUi );
-	}
-
-void CDevEncUiMainView::EncryptionStatusChangeReq( TDevEncUiMemoryType aType )
-    {
-    // Can't do anything about errors here
-    TInt error( KErrNone );
-    TRAP( error, DoEncryptionStatusChangeReqL( aType ) );
-    if ( error )
-        {
-        DFLOG2( "DoEncryptionStatusChangeReqL error %d", error );
-        }
-    }
-
-// TBI: Async this function and create a subfunction with -L
-void CDevEncUiMainView::DoEncryptionStatusChangeReqL( TDevEncUiMemoryType aType )
-    {
-    DFLOG( "CDevEncUiMainView::DoEncryptionStatusChangeReqL" );
-
-    // Check if we are allowed to start an encryption operation
-    TInt dmControl( 0 );
-    TInt err = iCrSettings->Get( KDevEncUiDmControl, dmControl );
-    if ( err )
-        {
-        DFLOG2( "Cenrep error %d", err );
-        User::Leave( err );
-        }
-    if ( DmControlsMemory( aType, dmControl ) )
-        {
-        // Encryption controlled by admin
-        ErrorNoteL( R_DEVENCUI_NOTE_ADMIN_CONTROL );
-        return;
-        }
-
-    // Create the encryption operator if necessary
-    if ( ! iEncOperator )
-        {
-        iEncOperator = CDevEncUiEncryptionOperator::NewL( *iEikonEnv,
-                                                          *AppUi(),
-                                                          iCrSettings );
-        }
-
-    // Get the currently highlighted memory type
-    CDevEncUiMemoryEntity* mem = iMemEntities[ aType ];
-
-    DFLOG3( "Mem type: %d, state: %d", aType, mem->State() );
-
-    if ( aType == EPhoneMemory )
-        {
-        CDevEncUiMemoryEntity* phoneMemory = iMemEntities[ EPrimaryPhoneMemory];
-        iEncOperator->HandlePhoneMemEncryptRequestL( mem, phoneMemory );
-        }
-    else // aType = EMemoryCard
-        {
-        HandleMemoryCardEncryptRequestL( mem );
-        }
-    }
-
-// --------------------------------------------------------------------------
-// CDevEncUiMainView::ErrorNoteL()
-// TBI: Create base class and move this there
-// --------------------------------------------------------------------------
-//
-void CDevEncUiMainView::ErrorNoteL( TInt aResourceId )
-    {
-    HBufC* message = StringLoader::LoadLC( aResourceId );
-    CAknErrorNote* errorNote = new ( ELeave ) CAknErrorNote;
-    errorNote->ExecuteLD( *message );
-    CleanupStack::PopAndDestroy( message );
-    }
-
-// TBI: Create base class and move this there
-TBool CDevEncUiMainView::DmControlsMemory( TDevEncUiMemoryType aType,
-                                           TInt aDmControlSetting )
-    {
-    TBool result( EFalse );
-    if ( ( aType == EPhoneMemory ) &&
-         ( aDmControlSetting & KDmControlsPhoneMemory ) )
-        {
-        result = ETrue;
-        }
-    if ( ( aType == EMemoryCard ) &&
-         ( aDmControlSetting & KDmControlsMemoryCard ) )
-        {
-        result = ETrue;
-        }
-    return result;
-    }
-
-// --------------------------------------------------------------------------
-// CDevEncUiMainView::HandleMemoryCardEncryptRequestL()
-// --------------------------------------------------------------------------
-//
-void CDevEncUiMainView::HandleMemoryCardEncryptRequestL( CDevEncUiMemoryEntity* aMem )
-    {
-    // Check if the driver has a known encryption key
-    TInt mmcEncrOn( 0 );
-    iCrSettings->Get( KDevEncUserSettingMemoryCard, mmcEncrOn );
-    
-    if ( aMem->State() == EDecrypted ||
-         aMem->State() == EUnmounted )
-        {
-        if ( mmcEncrOn )
-            {
-            // Mmc decrypted or ejected but encryption is on ->
-            // suggest destruction of key
-            DFLOG( "Mmc decrypted, encryption key set -> destroy key?" );
-            if ( aMem->State() == EDecrypted )
-                {
-                // Mmc inserted -> indicate that it is decrypted
-                // (see UI spec 2.12)
-                iEncOperator->DestroyKeyQueryL( ETrue );
-                }
-            else
-                {
-                // Mmc ejected -> no need to show note
-                // (see UI spec 2.11)
-                iEncOperator->DestroyKeyQueryL( EFalse );
-                }
-            }
-        else
-            {
-            // Mmc decrypted and encryption is off -> show encryption menu
-            DFLOG( "Mmc decrypted, encryption key not set -> enc menu" );
-            AppUi()->ActivateLocalViewL( TUid::Uid( EDevEncUiEncrViewId ) );
-            }
-        }
-    else if ( aMem->State() == EEncrypted )
-        {
-        // Encryption is on -> show decryption menu
-        DFLOG( "Mmc encrypted -> decr menu" );
-        AppUi()->ActivateLocalViewL( TUid::Uid( EDevEncUiDecrViewId ) );
-        }
-    else if ( aMem->State() == ECorrupted )
-        {
-        if ( mmcEncrOn )
-            {
-            // Mmc seems to be encrypted with another key.
-            // Ask if the user wants to import another key.
-            // (See UI spec 2.10)
-            DFLOG( "CDevEncUiMainView::HandleMemoryCardEncryptRequestL => Mmc encrypted with another key, enc on -> import key" );
-            iEncOperator->SuggestMmcImportKeyL( aMem, ETrue );
-            }
-        else
-            {
-            // Mmc is probably encrypted with another key -> show encryption
-            // menu to let user choose a key
-            DFLOG( "Mmc encrypted, encryption key not set -> enc menu" );
-            AppUi()->ActivateLocalViewL( TUid::Uid( EDevEncUiEncrViewId ) );
-            }
-        }
-    else
-        {
-        DFLOG2( "Mmc busy, state = %d, no action", aMem->State() );
-        }
-    // Depending on the user's selection, the memory may be in the same
-    // state as before or in a new state. This call will let all observers
-    // know what state the memory ended up in.
-    aMem->UpdateMemoryInfo();
-
-    }
-
-// --------------------------------------------------------------------------
-//  Called by the framework when the application status pane
-//  size is changed.  Passes the new client rectangle to the container.
-// --------------------------------------------------------------------------
-void CDevEncUiMainView::HandleStatusPaneSizeChange()
-    {
-    if ( iContainer )
-        {
-        iContainer->SetRect( ClientRect() );
-        }
-    }
-
-// End of File