idlehomescreen/xmluirendering/uiengine/src/xnfocuscontrol.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:39:47 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2008 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:  Focus appearance drawer
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*
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*/
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// System includes
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#include <AknsDrawUtils.h>
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#include <AknsUtils.h>
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#include <AknsItemID.h>
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// User includes
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#include "xncontroladapter.h"
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#include "xnproperty.h"
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#include "xnappuiadapter.h"
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#include "xnuiengine.h"
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#include "xnnode.h"
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#include "xninactivitymonitor.h"
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#include "xnfocuscontrol.h"
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// Constants
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const TInt KSkinGfxInnerRectShrink( 5 );
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// ============================ LOCAL FUNCTIONS ================================
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CXnFocusControl::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CXnFocusControl* CXnFocusControl::NewL( CXnAppUiAdapter& aAppUiAdapter )
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    {
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    CXnFocusControl* self = CXnFocusControl::NewLC( aAppUiAdapter );
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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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// CXnFocusControl::NewLC()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CXnFocusControl* CXnFocusControl::NewLC( CXnAppUiAdapter& aAppUiAdapter )
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    {
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    CXnFocusControl* self = new ( ELeave ) CXnFocusControl( aAppUiAdapter );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::~CXnFocusControl()
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// C++ default destructor.
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// -----------------------------------------------------------------------------
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//
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CXnFocusControl::~CXnFocusControl()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::CXnFocusControl()
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// C++ default constructor.
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// -----------------------------------------------------------------------------
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//
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CXnFocusControl::CXnFocusControl( CXnAppUiAdapter& aAppUiAdapter )
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    : iAppUiAdapter( aAppUiAdapter )
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    {    
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::ConstructL()
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// 2nd phase constructor
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// -----------------------------------------------------------------------------
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//
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void CXnFocusControl::ConstructL()
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    {   
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::MakeVisible()
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// 
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// -----------------------------------------------------------------------------
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//
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void CXnFocusControl::MakeVisible( TBool aVisible )
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    {
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    TRAP_IGNORE( DoMakeVisibleL( aVisible ) );
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::DoMakeVisibleL()
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// 
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// -----------------------------------------------------------------------------
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//
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void CXnFocusControl::DoMakeVisibleL( TBool aVisible )
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    {
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    if ( aVisible != iVisible )
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        {
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        if ( !aVisible )
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            {
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            iVisible = aVisible;
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            iRefused = EFalse;
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            CXnNode* node( iAppUiAdapter.UiEngine().FocusedNode() ); 
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            if ( node )
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                {
16
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                node->HideTooltipsL();
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0
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                CXnControlAdapter* control( node->Control() );
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                if  ( control && control->RefusesFocusLoss() )
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                    {
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                    // Need to keep drawing focus appearance
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                    iRefused = ETrue;
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                    node->UnsetStateL( 
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                        XnPropertyNames::style::common::KPressedDown );
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                    }
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                else
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                    {
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                    node->UnsetStateL(  
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                        XnPropertyNames::style::common::KFocus );                    
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                    }
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                iAppUiAdapter.UiEngine().RenderUIL();                
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                }    
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            }
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        else
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            {
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            iRefused = EFalse;
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            iVisible = aVisible;
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            }              
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        }        
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::IsVisible()
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// 
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// -----------------------------------------------------------------------------
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//
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TBool CXnFocusControl::IsVisible() const
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    {
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    return iVisible;
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    }
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// -----------------------------------------------------------------------------
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// CXnFocusControl::Draw()
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// 
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// -----------------------------------------------------------------------------
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//
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void CXnFocusControl::Draw( const TRect& aRect, CWindowGc& aGc ) const
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    {
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    if ( IsVisible() || iRefused ) 
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        {                                       
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        CXnNode* node( iAppUiAdapter.UiEngine().FocusedNode() );
2
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0
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        if ( node )
2
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            {            
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            CXnProperty* prop( NULL );
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            TRAP_IGNORE( prop = node->GetPropertyL( 
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                XnPropertyNames::common::KFocusAppearance ) );
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            if ( prop && prop->StringValue() == XnPropertyNames::KNone )
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                {
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                // Current element refuses to draw focus appearance
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                return;
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                }
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0
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            TRect innerRect( aRect );            
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            innerRect.Shrink( 
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                KSkinGfxInnerRectShrink, KSkinGfxInnerRectShrink );
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            MAknsSkinInstance* skin( AknsUtils::SkinInstance() );
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            if ( node->IsStateSet( XnPropertyNames::style::common::KPressedDown ) )
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                {
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                AknsDrawUtils::DrawFrame( skin, aGc, aRect, innerRect,
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                    KAknsIIDQsnFrHomePressed, KAknsIIDDefault );                
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                }            
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            if ( node->IsStateSet( XnPropertyNames::style::common::KFocus ) )
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                {
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                AknsDrawUtils::DrawFrame( skin, aGc, aRect, innerRect, 
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                    KAknsIIDQsnFrHome, KAknsIIDDefault );                
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                }            
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            }       
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        }
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    }
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// End of file
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   208