idlehomescreen/xmluirendering/uiengine/src/xnscrollablecontroladapter.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 31 Mar 2010 21:17:19 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201011 Kit: 201013
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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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*/
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//  System includes
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#include <e32base.h>
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#include <e32const.h>
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#include <coecntrl.h>
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#include <coemain.h>
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#include <aknphysics.h>
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// User includes
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#include "xncontroladapter.h"
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#include "xnuiengine.h"
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#include "xnnode.h"
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#include "xnnodepluginif.h"
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#include "xnproperty.h"
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#include "xnscrollablecontroladapter.h"
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// Constants
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const TInt KOffset( 25 );
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_LIT8(KViewportHeight, "viewport-height");
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_LIT8(KViewportWidth, "viewport-width");
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_LIT8(KViewportTop, "viewport-top");
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_LIT8(KViewportLeft, "viewport-left");
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_LIT8(KScrollDirection, "scroll-direction");                         
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_LIT8(KHorizontal, "horizontal");
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const TInt EVertical( 0 );
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const TInt EHorizontal( 1 );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::NewL
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// Two-phased constructor. Can leave.
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// -----------------------------------------------------------------------------
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//
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CXnScrollableControlAdapter* CXnScrollableControlAdapter::NewL( 
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    CXnNodePluginIf& aNode )
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    {
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    CXnScrollableControlAdapter* self = 
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        new ( ELeave ) CXnScrollableControlAdapter( aNode );
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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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// CXnScrollableControlAdapter::~CXnScrollableControlAdapter
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CXnScrollableControlAdapter::~CXnScrollableControlAdapter()
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    {
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    delete iPhysics;
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::CXnScrollableControlAdapter
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// C++ default constructor. Must not leave.
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// -----------------------------------------------------------------------------
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//
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CXnScrollableControlAdapter::CXnScrollableControlAdapter( CXnNodePluginIf& aNode )
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    : iNode( aNode ), iStartPosition( 0, 0), iPreviousPosition( 0, 0 ), 
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    iCurrentPosition( 0, 0 ), iLayoutChanged( EFalse )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::ConstructL
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// 2nd phase constructor. Can leave.
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// -----------------------------------------------------------------------------
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//    
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void CXnScrollableControlAdapter::ConstructL()
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    {
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    CXnControlAdapter::ConstructL( iNode );
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    SetControlContext( this );
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    SetHitTest( this );
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    iUiEngine = iNode.Node().UiEngine();
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    iNode.Node().SetScrollableControl( this );
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    // Default
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    iDirection = EVertical;
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    CXnProperty* prop( iNode.GetPropertyL( KScrollDirection ) );
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    if ( prop && prop->StringValue() == KHorizontal )
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        {
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        iDirection = EHorizontal;
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        }    
0
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::HandlePointerEventL
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// 
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// -----------------------------------------------------------------------------
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//    
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void CXnScrollableControlAdapter::HandlePointerEventL( 
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   116
    const TPointerEvent& aPointerEvent )
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   117
    {
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   118
    if( !iPhysics )
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   119
        {
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   120
        return;
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   121
        }
1
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parents: 0
diff changeset
   122
    
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diff changeset
   123
    TPoint stylusPos( aPointerEvent.iPosition );
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diff changeset
   124
    
0
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   125
    switch( aPointerEvent.iType )
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   126
        {
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   127
        case TPointerEvent::EButton1Down:
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diff changeset
   128
            {
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   129
            iPhysics->StopPhysics();
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   130
            iPhysics->ResetFriction();
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   131
            iStartPosition = stylusPos;
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   132
            iStartTime.HomeTime();
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   133
            iPreviousPosition = iCurrentPosition;
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diff changeset
   134
            iStylusPosition = stylusPos;
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   135
            }
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diff changeset
   136
            break;            
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   137
        case TPointerEvent::EButton1Up:
1
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diff changeset
   138
            {                                                        
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diff changeset
   139
            TInt distanceY( iStartPosition.iY - stylusPos.iY );                                              
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   140
            TInt distanceX( iStartPosition.iX - stylusPos.iX );
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diff changeset
   141
            
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   142
            TPoint drag( distanceX, distanceY );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   143
            iPhysics->StartPhysics( drag, iStartTime );                                
0
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   144
            }
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   145
            break; 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
        case TPointerEvent::EDrag:        
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   147
            {
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   148
            TPoint distanceFromStart( iStartPosition - stylusPos );
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   149
1
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   150
            if( ( Abs( distanceFromStart.iY ) > KOffset && iDirection == EVertical ) || 
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diff changeset
   151
                ( Abs( distanceFromStart.iX ) > KOffset && iDirection == EHorizontal ) )                 
0
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   152
                {
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   153
                CXnNode* focused( iUiEngine->FocusedNode() );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
                
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   155
                if ( focused )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   156
                    {
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   157
                    // Remove pressed down
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   158
                    focused->UnsetStateL( 
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   159
                        XnPropertyNames::style::common::KPressedDown );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   160
                    focused->HideTooltipsL();                                
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   161
                    }
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   162
                }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
            
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   164
            TInt deltaY( iStylusPosition.iY - stylusPos.iY );
1
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parents: 0
diff changeset
   165
            TInt deltaX( iStylusPosition.iX - stylusPos.iX );
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diff changeset
   166
            
0
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   167
            iStylusPosition = stylusPos;
1
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diff changeset
   168
            
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diff changeset
   169
            TPoint deltaPoint( deltaX, deltaY );
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diff changeset
   170
            
0
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   171
            iPhysics->RegisterPanningPosition( deltaPoint );
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diff changeset
   172
            }
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   173
            break;
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diff changeset
   174
        default:                
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   175
            break;                
f72a12da539e Revision: 200949
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parents:
diff changeset
   176
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   178
    CXnControlAdapter::HandlePointerEventL( aPointerEvent );
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   179
    }
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   180
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// -----------------------------------------------------------------------------
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   182
// CXnScrollableControlAdapter::Draw
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   183
// 
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   184
// -----------------------------------------------------------------------------
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   185
//    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   186
void CXnScrollableControlAdapter::Draw( const TRect& aRect ) const
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   187
    {
1
5315654608de Revision: 200951
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parents: 0
diff changeset
   188
    CXnControlAdapter::Draw( aRect );           
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   190
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   191
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   192
// CXnScrollableControlAdapter::SizeChanged
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
// 
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parents:
diff changeset
   194
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   195
void CXnScrollableControlAdapter::SizeChanged()
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   197
    TRAP_IGNORE(         
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
        ReadPropertiesL();
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
        InitPhysicEngineL(); ); 
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
        
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
    CXnControlAdapter::SizeChanged();
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
// CXnScrollableControlAdapter::MakeVisible
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
// 
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diff changeset
   207
// -----------------------------------------------------------------------------
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diff changeset
   208
// 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   209
void CXnScrollableControlAdapter::MakeVisible( TBool aVisible )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    TBool visible( IsVisible() ? ETrue : EFalse );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
    if ( visible == aVisible )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
        return;
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
    if( aVisible )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
        TRAP_IGNORE( InitPhysicEngineL() );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
    CCoeControl::MakeVisible( aVisible );            
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
// -----------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
// CXnScrollableControlAdapter::HitRegionContains
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
// 
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
// -----------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
// 
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
TBool CXnScrollableControlAdapter::HitRegionContains( const TPoint& aPoint, 
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
    const CCoeControl& /*aControl*/) const
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
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    {
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    return iViewPort.Contains( aPoint );
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::HandleScreenDeviceChangedL
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// 
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// -----------------------------------------------------------------------------
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void CXnScrollableControlAdapter::HandleScreenDeviceChangedL()
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    {
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    // The new layout has not been calculated yet. 
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    // Therefore we need to read new propertues and initialise engine when LayoutChagedL() is called next time.
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    iLayoutChanged = ETrue;
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    CXnControlAdapter::HandleScreenDeviceChangedL();
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::DeltaPosition
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// 
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// -----------------------------------------------------------------------------
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const TPoint CXnScrollableControlAdapter::DeltaPosition() const
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    {
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    return iStartViewPosition - iCurrentPosition;
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::ResetState
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// 
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// -----------------------------------------------------------------------------
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void CXnScrollableControlAdapter::ResetState()
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    {
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    iStartViewPosition = TPoint( 0, 0 );
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    iCurrentPosition = TPoint( 0, 0 );
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    iPreviousPosition = TPoint( 0, 0 );
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::ShowItem
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// 
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// -----------------------------------------------------------------------------
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void CXnScrollableControlAdapter::ShowItem( CXnNode& aNode )
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    {
1
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    TRect rect( aNode.MarginRect() );
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0
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    if( !iViewPort.Contains( rect.iTl ) || !iViewPort.Contains( rect.iBr ) )
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        {
1
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        if ( iDirection == EVertical )
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            {                            
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            TInt delta( 0 );
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            if( rect.iTl.iY < iViewPort.iTl.iY )
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                {
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                delta = rect.iTl.iY - iViewPort.iTl.iY;
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                }
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            else if( rect.iBr.iY > iViewPort.iBr.iY )
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                {
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                delta = rect.iBr.iY - iViewPort.iBr.iY;
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                }
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            TPoint newPosition( iPreviousPosition + TPoint( 0, delta ) );
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            ViewPositionChanged( newPosition, ETrue, 0 );
0
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            }
1
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        else
0
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            {
1
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            TInt delta( 0 );
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            if( rect.iTl.iX < iViewPort.iTl.iX )
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                {
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                delta = rect.iTl.iX - iViewPort.iTl.iX;
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                }
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            else if( rect.iBr.iX > iViewPort.iBr.iX )
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                {
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                delta = rect.iBr.iX - iViewPort.iBr.iX;
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                }
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            TPoint newPosition( iPreviousPosition + TPoint( delta, 0 ) );
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            ViewPositionChanged( newPosition, ETrue, 0 );            
0
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            }
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        }
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    }
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// -----------------------------------------------------------------------------
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// CXnScrollableControlAdapter::LayoutChangedL
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// 
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// -----------------------------------------------------------------------------
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void CXnScrollableControlAdapter::LayoutChangedL()
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    {
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    if( iLayoutChanged )
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        {
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        iLayoutChanged = EFalse;
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        ReadPropertiesL();
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        InitPhysicEngineL();
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        }
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    }
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// ---------------------------------------------------------------------------
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// CXnScrollableControlAdapter::ViewPositionChanged
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// ---------------------------------------------------------------------------
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//
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void CXnScrollableControlAdapter::ViewPositionChanged( 
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    const TPoint& aNewPosition, TBool aDrawNow, TUint /*aFlags*/ )
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    {
1
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    TPoint diff;
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    if ( iDirection == EVertical )
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   340
        {
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        diff = TPoint( 0, aNewPosition.iY - iPreviousPosition.iY );
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        }
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    else
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        {
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        diff = TPoint( aNewPosition.iX - iPreviousPosition.iX, 0 );
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        }
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0
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    iPreviousPosition = aNewPosition;
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    iCurrentPosition += diff;
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   350
    TPoint tmpPos = iNode.Control()->Position();
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    tmpPos -= diff;
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    iNode.Control()->SetPosition( tmpPos );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
    if( aDrawNow )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        DrawNow( iViewPort );    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
// CXnScrollableControlAdapter::PhysicEmulationEnded
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
//    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
void CXnScrollableControlAdapter::PhysicEmulationEnded()
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
// CXnScrollableControlAdapter::ViewPosition
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
//    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
TPoint CXnScrollableControlAdapter::ViewPosition() const
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
    return iCurrentPosition;
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
// CXnScrollableControlAdapter::ResetContext
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
//    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
void CXnScrollableControlAdapter::ResetContext( CWindowGc& aGc ) const
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
    aGc.Reset();
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    aGc.SetClippingRect( iViewPort );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
// CXnScrollableControlAdapter::InitPhysicEngineL
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
//    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
void CXnScrollableControlAdapter::InitPhysicEngineL()
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
    // Init physic engine
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
    if ( !iPhysics && CAknPhysics::FeatureEnabled() )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
        iPhysics = CAknPhysics::NewL( *this, this );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
    if( !iPhysics )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
        return;
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    TSize viewPortSize = iViewPort.Size();
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   402
    TSize totalSize( iNode.Rect().Size() );
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   403
    
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   404
    if ( iDirection == EVertical )
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   405
        {
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   406
        iPhysics->InitPhysicsL( totalSize, viewPortSize, EFalse );
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   407
        }
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   408
    else
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   409
        {
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   410
        iPhysics->InitPhysicsL( totalSize, viewPortSize, ETrue );
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   411
        }
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   412
    
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   413
    
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   414
    iCurrentPosition = 
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   415
        TPoint( viewPortSize.iWidth / 2, viewPortSize.iHeight / 2 ); 
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   416
                  
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
    iPreviousPosition = iStartViewPosition =  iCurrentPosition;
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
// CXnScrollableControlAdapter::ReadPropertiesL
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
// ---------------------------------------------------------------------------
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
//    
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
void CXnScrollableControlAdapter::ReadPropertiesL()
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    TInt width( 0 );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
    TInt height( 0 );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
    TInt top( 0 );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
    TInt left( 0 );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   431
    CXnNode& node( iNode.Node() );
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   432
    
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
    // Width
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
    CXnProperty* prop = iNode.GetPropertyL( KViewportWidth );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
    if( prop )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
        width = iUiEngine->HorizontalPixelValueL(
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   438
            prop, iNode.Rect().Width() );
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
    if( width == 0 )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
        {
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   442
        width = node.Parent()->Rect().Width();
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
    // Height
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
    prop = iNode.GetPropertyL( KViewportHeight );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    if( prop )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
        height = iUiEngine->VerticalPixelValueL(
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   450
            prop, iNode.Rect().Height() );
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
    if( height == 0 )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        {
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   454
        height = node.Parent()->Rect().Height();
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
    // Top
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
    prop = iNode.GetPropertyL( KViewportTop );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
    if( prop )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
        top = iUiEngine->VerticalPixelValueL(
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   462
            prop, iNode.Rect().Height() );
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
    // Left
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
    prop = iNode.GetPropertyL( KViewportLeft );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
    if( prop )
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
        {
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
        left = iUiEngine->HorizontalPixelValueL(
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   470
            prop, iNode.Rect().Width() );
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
        }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
1
5315654608de Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   473
    iViewPort = TRect( iNode.Rect().iTl, TSize( width, height ) );
0
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
    iViewPort.Move( left, top );
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    }
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
f72a12da539e Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
//  End of File