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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: Xuikon control adapter header file
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*
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*/
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#ifndef __XNCONTROLADAPTERIMPL_H__
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#define __XNCONTROLADAPTERIMPL_H__
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// System includes
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#include <e32base.h>
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#include <coecntrl.h>
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#include <AknIconUtils.h>
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#include <AknsEffectAnim.h>
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#include <AknsItemID.h>
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#include <akntouchgesturefw.h>
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// Forward declarations
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class CXnNodePluginIf;
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class CXnComponent;
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class CWindowGc;
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class CXnControlAdapter;
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class CXnNode;
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class CXnProperty;
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class CGulIcon;
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class CXnUiEngine;
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class CAknPointerEventSuppressor;
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//Constants
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_LIT( KMif, "mif(" );
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_LIT8( KMenuBarNode, "menubar" );
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const TInt KSpaceChar = 32;
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const TInt KRightParenthesis = ')';
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using namespace AknTouchGestureFw;
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// Class declaration
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/**
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* Control adapter class implementation.
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*
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* @ingroup group_xnlayoutengine
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* @lib xn3layoutengine.lib
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* @since Series 60 3.1
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*/
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NONSHARABLE_CLASS( CXnControlAdapterImpl ) : public CBase,
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public MAknsEffectAnimObserver,
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public MAknTouchGestureFwObserver
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{
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public:
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/**
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* Response of property change handled/not handled
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*/
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enum TPropertyChangeResponse
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{
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/** The property change was not handled. */
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EPropertyChangeNotConsumed,
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/** The property change was handled. */
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EPropertyChangeConsumed
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};
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public:
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/**
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* Icon provider used by AknIconUtils
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*
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* @since Series 60 3.1
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*/
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class TIconProvider : public MAknIconFileProvider
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{
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public:
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/**
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* Constructor
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*
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* @param aFile File handle to use
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*/
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TIconProvider( RFile& aFile );
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public:
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/**
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* Destructor.
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*/
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virtual ~TIconProvider();
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// Functions from base classes
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/**
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* From MAknIconFileProvider Returns an open file handle to the icon
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* file.
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* This method should leave if an icon file with specified type does
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* not exist. That may be the case e.g. with MBM file,
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* if there are no bitmap icons.
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*
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* Note! RFs::ShareProtected must be called to the RFs instance used
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* for opening the file.
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*
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* @param aFile Icon file should be opened in this file handle, which
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* is an empty file handle, when the AknIcon framework calls this
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* method. The AknIcon framework takes care of closing the file handle
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* after having used it.
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*
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* @param aType Icon file type.
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*/
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virtual void RetrieveIconFileHandleL( RFile& aFile,
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const TIconFileType /*aType*/);
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/**
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* From MAknIconFileProvider With this method, AknIcon framework
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* informs that it does not use this MAknIconFileProvider instance
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* any more. After this call,
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* it is ok to delete the object. This can be implemented simply
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* e.g. by deleting self in this callback.
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* Normally, this callback is invoked when the icon in question
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* is deleted.
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* Note, however, that if the same MAknIconFileProvider instance is
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* supplied in multiple CreateIcon calls, then it must be accessible
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* by AknIcon framework until it has signalled a matching amount
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* of these callbacks.
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*/
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virtual void Finished();
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private:
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// file to use
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RFile iFile;
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};
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public:
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// Constructors and destructor
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/**
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* Two-phased constructor.
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*
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* @param aNode
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* @param aDadapter Control adapter
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* @param gc Window gc
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*/
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static CXnControlAdapterImpl* NewL( CXnNodePluginIf& aNode,
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CXnControlAdapter& aAdapter, CWindowGc& gc );
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/**
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* Destructor.
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*/
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virtual ~CXnControlAdapterImpl();
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public:
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// New functions
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/**
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* Sets component pointer.
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*
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* @since Series 60 3.1
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* @param aComponent Component pointer.
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*/
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void SetComponent( CXnComponent* aComponent );
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/**
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* Gets the component pointer.
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*
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* @since Series 60 3.1
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* @return Component pointer.
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*/
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CXnComponent* Component();
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/**
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* Const-version of getting the component pointer.
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*
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* @since Series 60 3.1
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* @return Component pointer.
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*/
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CXnComponent* Component() const;
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/**
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* Add a child adapter
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*
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* @since Series 60 3.1
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* @param aChild Child adapter
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*/
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void AppendChildL(CXnControlAdapter& aChild, CXnNode& aNode);
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/**
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* Checks if the control should be drawn, according to visibility and
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* display properties.
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*
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* @since Series 60 3.1
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* @return ETrue if drawing is ok, EFalse otherwise
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*/
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TBool IsDrawingAllowed() const;
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/**
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* Gets content bitmaps. Ownership is not transferred.
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*
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* @since Series 60 3.1
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* @param aBitmap Bitmap to draw
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* @param aMask Mask to use
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*/
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void ContentBitmaps( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
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/**
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* Sets content bitmaps. Ownership is transferred.
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*
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* @since Series 60 3.1
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* @param aBitmap Bitmap to draw
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* @param aMask Mask to use
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*/
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void SetContentBitmaps( CFbsBitmap* aBitmap, CFbsBitmap* aMask );
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/**
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* Sets content bitmaps. Ownership is transferred.
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*
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* @since Series 60 3.1
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* @param aBitmapUrl Url of the bitmap to draw
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* @param aMaskUrl Url of the bitmap mask to use
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*/
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void SetContentBitmapsL( const TDesC& aBitmapUrl, const TDesC& aMaskUrl );
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/**
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* Load a bitmap from the server. Ownership is transferred.
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*
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* @since Series 60 3.1
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* @param aBitmapUrl Url of the bitmap to load
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* @return Bitmap
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*/
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CFbsBitmap* LoadBitmap( const TDesC& aBitmapUrl );
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/**
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* Load a bitmap and mask from the server. Ownership is transferred.
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*
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* @since Series 60 3.1
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* @param aBitmapUrl Url of the bitmap to load
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* @param aMaskUrl Url of the mask to load, if any
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* @param aBitmap Fetched bitmap
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* @param aMask Fetched mask
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* @return void
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*/
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void GetBitmapAndMask( const TDesC& aBitmapUrl, const TDesC& aMaskUrl,
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CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
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/**
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* Handles pointer events
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* This method must always be called, even when it's overridden by derived
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* classes
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*
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* @param aPointerEvent pointer event
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*/
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TBool HandlePointerEventL( const TPointerEvent& aPointerEvent );
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/**
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* Draws the control
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* This method must always be called, even when it's overridden by derived
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* classes
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*
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* @param aRect TRect to draw
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*/
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void Draw( const TRect& aRect ) const;
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/**
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* Draws the control using a client-specified gc.
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*
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* @param aRect TRect to draw
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* @param aGc Gc used for drawing
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*/
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void Draw( const TRect& aRect, CWindowGc& aGc ) const;
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/**
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* Return a child control by index
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* This method must not be overridden by derived classes
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*
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* @param aIndex Index of the child to return
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* @return Control at the given index
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*/
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CCoeControl* ComponentControl( TInt aIndex ) const;
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/**
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* From CCoeControl Return count of children
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* This method must not be overridden by derived classes
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*
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* @return Count of children
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*/
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TInt CountComponentControls() const;
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/**
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* Draws content image.
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*
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* @since Series 60 3.1
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*/
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void DrawContentImage() const;
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/**
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* Draws content image.
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*
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* @param aGc Gc used for drawing
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* @since Series 60 3.1
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*/
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void DrawContentImageL( CWindowGc& aGc ) const;
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/**
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* Size change notification
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*/
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void SizeChanged();
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/**
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* Skin change notification
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*/
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void SkinChanged();
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/**
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* Focus changed notification
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*
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* @since S60 5.0
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* @param aFocused Control's current foucs state
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*/
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void FocusChangedL( TBool aFocused );
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/**
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* Initialize or refresh background and border bitmaps
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* This is called when for example the skin or control size is changed
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*/
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void InitializeBackgroundAndBorderBitmapsL( TBool aForceRecreate = EFalse );
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/**
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* This is called to measure adaptive content dimensions.
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*
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* @since 3.2
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* @param aAvailableSize Not used
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* @return For now it returns default size - zero
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*/
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TSize MeasureAdaptiveContentL( const TSize& aAvailableSize );
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/**
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* Sets the control blank
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*
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* @since S60 5.1
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* @param aBlank, ETrue sets blank, EFalse resets blank
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*/
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void SetBlank( TBool aBlank );
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/**
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* Creates trigger node for swipe event
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*
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* @since S60 5.1
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* @param aUiEngine reference to uiengine
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* @param aDirection Direction of swipe
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* @return trigger node for swipe
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*/
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CXnNode* BuildSwipeTriggerNodeLC( CXnUiEngine& aUiEngine,
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const TDesC8& aDirection );
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public:
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// Functions from base classes
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/**
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* From CCoeControl Handles key events.
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*
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* @since Series 60 3.1
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* @param aKeyEvent Key event.
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* @param aType Event type.
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* @return Key response
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*/
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TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,
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TEventCode aType );
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/**
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* From MAknLongTapDetectorCallBack. Handles the long tap events.
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*
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* @since Series 60 3.1
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* @param aPenEventLocation Long tap event location relative to parent
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* control.
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* @param aPenEventScreenLocation Long tap event location relative to
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* screen.
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*/
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void HandleLongTapEventL( const TPoint& aPenEventLocation,
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const TPoint& aPenEventScreenLocation );
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/**
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* Creates highlight animation from a skin id when one is available.
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*/
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void CreateAnimationL();
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/**
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* MAknsEffectAnimObserver callback. Draws the adapter again and renders
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* the animated area.
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*
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* @param aError Error - zero if error, nonzero otherwise
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*/
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virtual void AnimFrameReady( TInt aError, TInt );
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/**
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* Starts highlight animation.
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*
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* @param aAnimRestart When true, the animation is stopped and then
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* started again.
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*/
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void StartHighlightAnimation( TBool aAnimRestart = EFalse );
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/**
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* Stops highlight animation.
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*/
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void StopHighlightAnimation();
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/**
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* Handles property change
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*/
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void DoHandlePropertyChangeL( CXnProperty* aProperty = NULL );
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/**
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* Handles change of device screen
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*/
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void HandleScreenDeviceChangedL();
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/**
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* Updates background image
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*
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* @param aProperty If it is background image, initializes background
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* bitmap
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* @return CXnControlAdapterImpl::TPropertyChangeResponse whether it was
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* consumed
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*/
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CXnControlAdapterImpl::TPropertyChangeResponse UpdateBackgroundImageL(
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CXnProperty* aProperty );
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/**
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* Sets up gesture on buttondown event
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*
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* @param aPointerEvent Event to be forwarded
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*/
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void InitializeGestureL(
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const TPointerEvent& aPointerEvent );
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/*
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* Resets child adapters
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*/
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void RemoveChildAdapters();
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/*
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* Returns Child adapters
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*
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* @return Returns child adapters
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*/
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RPointerArray< CXnControlAdapter >& ChildAdapters();
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private: // from MAknTouchGestureFwObserver
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/**
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* Implements gesture handling
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*
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* @see MAknTouchGestureFwObserver
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*/
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void HandleTouchGestureL( MAknTouchGestureFwEvent& aEvent );
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protected:
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// New functions
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/**
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* C++ default constructor.
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*/
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CXnControlAdapterImpl( CXnNodePluginIf& aNode );
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/**
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* Two-phased constructor.
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472 |
*/
|
|
473 |
void ConstructL( CXnNodePluginIf& aNode, CXnControlAdapter& aAdapter,
|
|
474 |
CWindowGc& gc );
|
|
475 |
|
|
476 |
private:
|
|
477 |
void DoDrawL( const TRect& aRect, CWindowGc& aGc ) const;
|
|
478 |
void DrawBackgroundDataL( const TRect& aRect, CXnNode& aNode,
|
|
479 |
CWindowGc& aGc );
|
|
480 |
void DrawEditModeBgData( CXnNode& aNode, CWindowGc& aGc );
|
|
481 |
void DrawPlusSign( CXnNode& aNode, CWindowGc& aGc );
|
|
482 |
void DrawTransparentColorL( CXnNode& aNode, CWindowGc& aGc,
|
|
483 |
CFbsBitmap* aMask );
|
|
484 |
void DrawBackgroundSkinL( CXnNode& aNode, CFbsBitmap* aMask,
|
|
485 |
CWindowGc& aGc,CXnProperty* aBgColor, TRect aRect = TRect::EUninitialized );
|
|
486 |
void DrawBackgroundSkin(const TAknsItemID& aSkinId, CWindowGc& aGc,
|
|
487 |
TRect aRect );
|
|
488 |
void DrawBackgroundImageL( const TRect& aRect, CXnNode& aNode,
|
|
489 |
CWindowGc& aGc, CFbsBitmap* aBitmap, CFbsBitmap* aMask );
|
|
490 |
RFs& FsSession();
|
|
491 |
TBool IsDragThresholdExceeded( const TPoint& aPoint );
|
|
492 |
|
|
493 |
private:
|
|
494 |
// Data
|
|
495 |
|
|
496 |
/** Node */
|
|
497 |
CXnNodePluginIf& iNode;
|
|
498 |
/** Pointer to component base object. */
|
|
499 |
CXnComponent* iComponent;
|
|
500 |
/** child controls */
|
|
501 |
mutable RPointerArray< CXnControlAdapter > iChildren;
|
|
502 |
/** content image */
|
|
503 |
mutable CFbsBitmap* iContentBitmap;
|
|
504 |
/** content bitmap index */
|
|
505 |
mutable TInt iContentBitmapIndex;
|
|
506 |
/** content mask */
|
|
507 |
mutable CFbsBitmap* iContentMask;
|
|
508 |
/** content mask index */
|
|
509 |
mutable TInt iContentMaskIndex;
|
|
510 |
/** background image */
|
|
511 |
mutable CFbsBitmap* iBackgroundBitmap;
|
|
512 |
/** background mask */
|
|
513 |
mutable CFbsBitmap* iBackgroundMask;
|
|
514 |
/** background image index */
|
|
515 |
mutable TInt iBackgroundBitmapIndex;
|
|
516 |
/** border image */
|
|
517 |
mutable CFbsBitmap* iBorderBitmap;
|
|
518 |
/** border image index */
|
|
519 |
mutable TInt iBorderBitmapIndex;
|
|
520 |
/** border image split value for top border */
|
|
521 |
mutable TInt iBorderBitmapDividerTop;
|
|
522 |
/** border image split value for right border */
|
|
523 |
mutable TInt iBorderBitmapDividerRight;
|
|
524 |
/** border image split value for bottom border */
|
|
525 |
mutable TInt iBorderBitmapDividerBottom;
|
|
526 |
/** border image split value for left border */
|
|
527 |
mutable TInt iBorderBitmapDividerLeft;
|
|
528 |
/** graphics context */
|
|
529 |
mutable CWindowGc* iGc;
|
|
530 |
/** control adapter */
|
|
531 |
mutable CXnControlAdapter* iAdapter;
|
|
532 |
/** icon provider, for AknIconUtils */
|
|
533 |
mutable TIconProvider* iIconProvider;
|
|
534 |
|
|
535 |
/** skin animation object for skin highlight animation */
|
|
536 |
CAknsEffectAnim* iAnimation;
|
|
537 |
/** skin animation identifier */
|
|
538 |
TAknsItemID iAnimIID;
|
|
539 |
/** flag: skin animation id is resolved from the CSS property */
|
|
540 |
TBool iAnimIDResolved;
|
|
541 |
/** flag: for storing blank state */
|
|
542 |
TBool iBlank;
|
|
543 |
/** flag: to detect whether longtap occured */
|
|
544 |
TBool iLongtap;
|
|
545 |
/** Gesture framework, owned. */
|
|
546 |
CAknTouchGestureFw* iGestureFw;
|
|
547 |
/** Gesture destination, Not owned. */
|
|
548 |
CXnNode* iGestureDestination;
|
|
549 |
/** Starting point of button down event. */
|
|
550 |
TPoint iButtonDownStartPoint;
|
|
551 |
/** Tells is background images are allready created*/
|
|
552 |
TBool iBackgrondInitialized;
|
|
553 |
/** Tells is border images are allready created*/
|
|
554 |
TBool iBorderInitialized;
|
|
555 |
/** Suppress drag events, owned */
|
|
556 |
CAknPointerEventSuppressor* iSuppressor;
|
|
557 |
};
|
|
558 |
|
|
559 |
#endif //__XNCONTROLADAPTERIMPL_H__
|