internetradio2.0/uicontrolsinc/irstationlogodata.h
changeset 0 09774dfdd46b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/uicontrolsinc/irstationlogodata.h	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,188 @@
+/*
+* Copyright (c) 2008-2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Data for single station logo
+*
+*/
+
+
+#ifndef C_CIRSTATIONLOGODATA_H
+#define C_CIRSTATIONLOGODATA_H
+
+#include <alf/alfbitmapprovider.h>
+#include <alf/alfeventhandler.h>
+#include <e32base.h>
+
+class CAlfTexture;
+class CFbsBitmap;
+class CIRImageConverter;
+
+/**
+ * Station Logo Data
+ *
+ * @since   S60 v3.2
+ */
+class CIRStationLogoData : public CBase, 
+                           public MAlfBitmapProvider,
+                           public MAlfEventHandler
+    {
+public:
+
+    /**
+     * Logo related custom events
+     */
+    enum TIRLogoCustomEvents
+        {
+        EIRCustomEventLogoFadeOutComplete
+        };
+    
+    /**
+     * Two-phased constructor.
+     * Adds the control to the control group and to layout hierarchy
+     *
+     * @param aId The IID for this logo
+     * @param aRawData The graphics raw data for this logo
+     */
+    static CIRStationLogoData* NewLC( TInt aId, const TDesC8& aRawData );
+
+    /**
+     * Destructor.
+     */
+    ~CIRStationLogoData();
+
+    /**
+     * Sets the raw data for the graphics
+     * 
+     * @param aRawData reference to raw data
+     */
+    void SetRawData( const TDesC8& aRawData );
+
+    /**
+     * Provides the raw data for the graphics
+     * 
+     * @return reference to raw data
+     */
+    const TDesC8& RawData() const;
+    
+    /**
+     * Updates the texture according to the bitmaps provided. 
+     * Ownership of the bitmaps is transfered always, even if this method leaves.
+     * So the bitmap an mask must not be in cleanup stack
+     * 
+     * @param aBitmap The bitmap to be used
+     * @param aMask The mask to be used
+     */
+    void UpdateTextureL( CFbsBitmap* aBitmap, CFbsBitmap* aMask );
+
+    /**
+     * Destroys the texture and possible bitmaps
+     */
+    void DestroyTexture();
+
+    /**
+     * Sets the visual for this logo data.
+     * 
+     * @param aVisual The visual to be set. Transfers ownership
+     */
+    void SetVisual( CAlfImageVisual* aVisual );
+
+    /**
+     * Provides the image visual for this logo
+     * 
+     * @return Pointer to CAlfImageVisual, or NULL
+     */
+    CAlfImageVisual* Visual();
+
+    /**
+     * Destroys the visual for the logo
+     */
+    void DestroyVisual();
+
+    /**
+     * Provides the texture for this logo
+     * 
+     * @return The reference to texture
+     */
+    CAlfTexture* Texture();
+
+    /**
+     * Provides the ID for this logo
+     * 
+     * @return The ID
+     */
+    TInt Id() const ;
+
+    // from MAlfBitmapProvider
+    void ProvideBitmapL(TInt aId, CFbsBitmap*& aBitmap, CFbsBitmap*& aMaskBitmap);
+
+    // from MAlfEventHandler
+    TBool OfferEventL( const TAlfEvent& aEvent );
+
+private: // Methods
+
+    /**
+     * Default constructor
+     *
+     * @param aId The IID for this logo
+     * @param aRawData The graphics raw data for this logo
+     */
+    CIRStationLogoData( TInt aId, const TDesC8& aRawData );
+
+    /**
+     * Second phase constructor
+     */
+    void ConstructL();
+
+private: // Members
+
+    /**
+     * The logo as a bitmap.
+     * Owned.
+     */
+    CFbsBitmap* iBitmap;
+
+    /**
+     * The logo bitmap mask.
+     * Owned.
+     */
+    CFbsBitmap* iMask;
+
+    /**
+     * The logo represented as a texture.
+     * Owned.
+     */
+    CAlfTexture* iTexture;
+
+    /**
+     * The visual for the logo
+     * Owned.
+     */
+    CAlfImageVisual* iVisual;
+
+    /**
+     * The raw data of graphics.
+     */
+    TPtrC8 iData;
+    
+    /**
+     * The ID that is used to identify the logo
+     */
+    TInt iId;
+    
+    /**
+     * The texture ID provided by the texture manager
+     */
+    TInt iTextureId;
+    };
+
+#endif // C_CIRSTATIONLOGODATA_H