--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneuis/BubbleManager/Inc/telbubbleimagescaler.h	Thu Jul 15 18:38:16 2010 +0300
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2010 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:  Ctelbubbleimagescaler declaration
+*
+*/
+
+#ifndef TELBUBBLEIMAGESCALER_H
+#define TELBUBBLEIMAGESCALER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CFbsBitmap;
+class CBitmapScaler;
+
+/**
+ *  Interface to observe scaling status
+ */
+class MTelBubbleImageScalerObserver
+{
+public:
+    /**
+     * Callback to indicate scaling completion
+     * 
+     * @param aError Error occured during scaling
+     * @param aBitmap Scaled bitmap
+     */
+    virtual void ImageScalingComplete
+                (TInt aError, CFbsBitmap* aBitmap) = 0;
+    };
+
+/**
+ *  Asynchronous bitmap scaler.
+ *  Uses CBitmapScaler to do scaling
+ */
+class CTelBubbleImageScaler : public CActive
+{
+public:
+    // Cancel and destroy
+    ~CTelBubbleImageScaler();
+
+    /** Two phase constructor */
+    static CTelBubbleImageScaler* NewL(MTelBubbleImageScalerObserver& aObserver);
+
+    /** Two phase constructor */
+    static CTelBubbleImageScaler* NewLC(MTelBubbleImageScalerObserver& aObserver);
+    
+    /**
+     *  Scaling status
+     */
+    enum TState
+        {
+        EScalingIdle = 0, EScalingStarted, EScalingDone
+        };
+
+public:
+    /**
+     * Starts bitmap scaling Asynchronously 
+     * @param aSrc Bitmap that needs to be scaled
+     * @param aTarget Scaled bitmap
+     * @return None.
+     */
+    void StartScaleL(CFbsBitmap* aSrc, CFbsBitmap* aTarget);
+    
+    /**
+     * Sets the state of Scaler 
+     * @param aState State to be set
+     * @return None.
+     */
+    void SetState(TState aState);
+    
+    /**
+     * Returns the current state of Scaler 
+     * @param None
+     * @return TInt State of the scaler
+     */   
+    TInt GetState();
+
+private:
+    /* constructor */
+    CTelBubbleImageScaler(MTelBubbleImageScalerObserver& aObserver);
+
+    /* Second-phase constructor */
+    void ConstructL();
+
+private: // From CActive
+    /*
+     * Handle completion
+     */
+    void RunL();
+
+    /*
+     * Cancels active request
+     */
+    void DoCancel();
+
+    /*
+     * Override to handle leaves from RunL(). Default implementation causes
+     * the active scheduler to panic.
+     */
+    TInt RunError(TInt aError);
+
+private:
+    /* 
+     * Scaler observer instance 
+     */
+    MTelBubbleImageScalerObserver& iObserver;
+    
+    /*
+     * Own: Bitmap scaler
+     */
+    CBitmapScaler* iScaler;
+    
+    /* 
+     * Own: The bitmap that is scaled.
+     */
+    CFbsBitmap* iScaledBitmap;
+
+    /*
+     * Scaler state
+     */
+    TInt iState;
+    };
+
+#endif // TELBUBBLEIMAGESCALER_H
+
+// End of File
+