--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/view/src/shwslideshowvolumecontrol.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,199 @@
+/*
+* Copyright (c) 2007-2008 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:    Slideshow view volume control.
+*
+*/
+
+
+
+
+
+#ifndef C_SHWSLIDESHOWVOLUMECONTROL_H
+#define C_SHWSLIDESHOWVOLUMECONTROL_H
+
+
+// INCLUDES
+#include <alf/alfcontrol.h>
+
+// FORWARD DECLARATION
+class CAlfImageVisual;
+class CAlfTextVisual;
+class CFbsBitmap;
+class CGlxUiUtility;
+
+class CAlfAnchorLayout;
+class CAlfBorderBrush;
+class CAlfLineVisual;
+class CAlfCurvePathLayout;
+class CShwSlideshowVolumeControl;
+class CAlfImageBrush;
+class CAlfGridLayout;
+class CAlfDeckLayout;
+class CAlfAnchorLayout;
+
+// CLASS DECLARATION
+/**
+ *  Volume control declaration.
+ * @internal reviewed 07/06/2007 by Kimmo Hoikka
+ */
+// ---------------------------------------------------------------------------
+// CShwSlideshowVolumeControl declaration
+// --------------------------------------------------------------------------- 
+NONSHARABLE_CLASS( CShwSlideshowVolumeControl ) : public CAlfControl
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     *
+     * @return Pointer to newly created object.
+     */
+     static CShwSlideshowVolumeControl* NewL(
+        CAlfEnv& aEnv,
+        CGlxUiUtility& aUtility,
+        TTimeIntervalMicroSeconds32 aInterval = 0);
+
+    /**
+     * Destructor.
+     */
+    virtual ~CShwSlideshowVolumeControl();
+
+    /**
+     * Called when the volume is changed.
+     * @param aVolume  The new volume.
+     * @param aMaxVolume  The maximum volume.
+     */
+    void SetVolume(TInt aVolume, TInt aMaxVolume);
+
+    /**
+     * Notifies the control that its visible has been changed on a display.
+     * This is the earliest time when the control knows the dimensions of
+     * the display it is being shown on.
+     *
+     * @param aIsVisible  ETrue, if the control is now visible on the
+     *			display.   EFalse, if the control is about to the hidden 
+     *			on the display.
+     * @param aDisplay    The display on which the control's visibility 
+     * 			is changing.
+     * @see CHuiControl
+     */	
+    void NotifyControlVisibility(TBool aIsVisible, CAlfDisplay& aDisplay);
+
+    /**
+     * Called when the control should be redrawn,
+     * e.g. after a change in volume.
+     */
+    void RefreshL();
+
+    /**
+     * Called when the control should be hidden,
+     * e.g. after a change in volume.
+     */
+    void Hide();
+    
+    /**
+     * Called when the control should be shown.
+     * e.g. Key press and tap event
+     */
+    TBool ShowControlL();
+
+    /**
+     * Method timer calls after time out.
+     */
+    TInt TimerCallback();
+
+private:
+
+    /**
+     * C++ default constructor.
+     */
+    CShwSlideshowVolumeControl( CAlfEnv& aEnv,
+                                CGlxUiUtility& aUtility,
+                                TTimeIntervalMicroSeconds32 aInterval);
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL( );
+
+    /**
+     * Helper function to retrieve and position the control's visuals
+     */
+    void SetAndLayoutVisualsL();
+
+    /**
+     * Helper function to convert the current volume to a percentage
+     */	
+    TInt CurrentVolumeAsPercentage();
+
+    /**
+     * Helper function to setup the visuals when volume is muted
+     */	
+    void SetMuteVisualVisibility();
+
+    /**
+     * Helper function to setup the visuals when volume is
+     * neither muted nor maximum
+     */	
+    void SetValueVisualVisibilityL(TInt aVolume);
+
+    /**
+     * Helper function to setup the visuals when volume is maximum
+     */	
+    void CreateFullVolumeVisualsL(TInt aVolume);
+
+    /**
+     * Helper function to remove the visuals from the layout
+     */	
+    void RemoveLayoutVisuals();
+
+    /**
+     * Helper function to remove the visuals from the layout
+     */	
+    void RemoveControlVisuals();
+	
+private:
+	
+    CGlxUiUtility& iUtility; // not owned
+    
+    /** main parent layout*/
+    CAlfAnchorLayout* iMainVisual;
+    
+    /* deck layout holds the backgroung visual, mute visual and the value grid */
+    CAlfDeckLayout* iVisualDeck;
+    
+    /**holds the speaker icon and the percentage text*/
+    CAlfGridLayout* iValueGridVisual;
+    
+    CAlfImageBrush* iBrush; // owned
+
+    // The visual elements of the control
+    CAlfImageVisual* iBackgroundImageVisual; // owned
+    CAlfImageVisual* iMuteImageVisual;		// owned
+    CAlfImageVisual* iSpeakerImageVisual;   // owned
+    CAlfTextVisual* iPercentTextVisual;   	// owned
+
+    TInt iVolume;		// owned
+    TInt iMaxVolume;	//owned
+
+    CPeriodic*	iTimer;	// owned
+    TTimeIntervalMicroSeconds32 iInterval; // owned
+
+    TSize iControlSize; // owned
+    CAlfEnv& iAlfEnv; //not owned
+    };
+
+#endif  // C_SHWSLIDESHOWVOLUMECONTROL_H
+
+// End of File