/*

* Copyright (c) 2005 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: SmilPlayerIndicatorController  declaration

*

*/

#ifndef SMILPLAYERINDICATORCONTROLLER_H

#define SMILPLAYERINDICATORCONTROLLER_H

// INCLUDES

#include <coecntrl.h>

#include <coecobs.h>

#include "SmilPlayerTimeObserver.h"

// FORWARD DECLARATIONS

class CSmilPlayerPresentationController;

class CSmilPlayerVolumeIndicatorController;

class CSmilPlayerTimeIndicatorTimer;

class CSmilPlayerPauseIndicatorTimer;

class CEikLabel;

class CEikImage;

class CCoeBrushAndPenContext;

class TAknsItemID;

// CLASS DECLARATION

/**

*  Controller class of the indicators.

*/

NONSHARABLE_CLASS(CSmilPlayerIndicatorController) : public CCoeControl,

                                                    public MCoeForegroundObserver,

                                                    public MCoeControlObserver,

    {

    public: // Constructors and destructor

        /**

        * Constructor.

        *

        * @param aParent         Parent control.

        * @param aPresController Presentation controller.

        * @param aVolumeEnabled  Specifies whether volume is enabled.

        *

        * @return pointer to the object

        */

        static CSmilPlayerIndicatorController * NewL( const CCoeControl* aParent, 

                                                      CSmilPlayerPresentationController* aPresController,

                                                      TBool aVolumeEnabled );

        /**

        * Destructor.

        */

        virtual ~CSmilPlayerIndicatorController();

    public: // Functions from base classes

        /**

        * From CoeControl

        * See the documentation from the coecntrl.h

        */

        TInt CountComponentControls() const;

        /**

        * From CCoeControl

        * See the documentation from the coecntrl.h

        */

        CCoeControl* ComponentControl(TInt aIndex) const;

        /**

        * From CCoeControl

        * See the documentation from the coecntrl.h

        */

        TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,

                                     TEventCode aType );

        /**

        * From MSmilPlayerTimeObserver

        * See the documentation from the SmilPlayerTimeObserver.h

        */

        void TimeChangedL( const TDesC& aTimeString );

        /**

        * From MSmilPlayerTimeObserver

        * See the documentation from the SmilPlayerTimeObserver.h

        */

        TInt CurrentTime() const;

        /**

        * From MSmilPlayerTimeObserver

        * See the documentation from the SmilPlayerTimeObserver.h

        */

        TInt PresentationDuration() const;

        /**

        * From MSmilPlayerTimeObserver

        * See the documentation from the SmilPlayerTimeObserver.h

        */

        TBool IsDurationFinite() const;

        /**

        * From MCoeForegroundObserver 

        * See the documentation from the coemain.h

        */   

        void HandleGainingForeground();

        /**

        * From MCoeForegroundObserver 

        * See the documentation from the coemain.h

        */   

        void HandleLosingForeground();

        /** 

        * From MCoeControlObserver 

        * See the documentation from the coecobs.h

        */

	    void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );

        /** 

        * From CCoeControl 

        * See the documentation from the coecntrl.h

        */

        void HandlePointerEventL( const TPointerEvent& aPointerEvent );

        /** 

        * From CCoeControl 

        * See the documentation from the coecntrl.h

        */

        void HandleResourceChange( TInt aType );

    public: // new functions

        /**

        * Performs approriate tasks when presentation has been stopped.

        *

        * @since 3.0

        */

        void Stop();

        /**

        * Performs approriate tasks when presentation has been started.

        *

        * @since 3.0

        */

        void Start();

        /**

        * Performs approriate tasks when presentation has been resumed.

        *

        * @since 3.0

        */

        void Resume();

        /**

        * Performs approriate tasks when presentation has been paused.

        *

        * @since 3.0

        */

        void Pause();

        /**

        * Performs approriate tasks when presentation end has been reached.

        *

        * @since 3.0

        */

        void EndReached();

        /**

        * Returns current volume value.

        *

        * @since 3.0

        *

        * @return Current volume level.

        */

        TInt VolumeValue() const;

        /**

        * Sets correct layout for indicator.

        *

        * @since 3.0

        */

        void LayoutIndicators();

    private:

        /**

        * C++ constructor.

        */

        CSmilPlayerIndicatorController ( CSmilPlayerPresentationController* aPresController );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const CCoeControl* aParent, 

                         TBool aVolumeEnabled );

        /**

        * Initializes indicator.

        */

        void InitializeIconIndicatorL( CEikImage*& aIndicator, 

                                      const TAknsItemID& aItem, 

                                      const TInt aBitmapIndex,

                                      const TInt aMaskIndex ) const;

        /**

        * Handles skin change event.

        */

        void DoHandleSkinChangeL();

        /**

        * Updates the text color from currently used skin.

        */

        void UpdateTextColorL();

        /**

        * Sets correct bitmap for icon indicator.

        */

        void SetIconIndicatorBitmapL( CEikImage*& aIndicator, 

                                      const TAknsItemID& aItem, 

                                      const TInt aBitmapIndex,

                                      const TInt aMaskIndex ) const;

        /**

        * Sets specified icons extent to given one.

        */

        void SetIconIndicatorExtent( CEikImage* aIconIndicator,

                                     TRect aExtent ) const;

    private: // data

        /** Controller class for this class */

        CSmilPlayerPresentationController* iPresController;

        /** Controller class for volume indicator */

        CSmilPlayerVolumeIndicatorController* iVolumeController;

        /** Model class for time control. */

        CSmilPlayerTimeIndicatorTimer* iTimeModel;

        /** View class for time control*/

        CEikLabel* iTimeIndicator;

        /** View class for pause indicator. */

        CEikImage* iPauseIndicator;

        /** View class for play indicator. */

        CEikImage* iPlayIndicator;

        /** Specifies whether time indicator should be shown. */

        TBool iShowTimeIndicator;

    };

#endif // SMILPLAYERINDICATORCONTROLLER_H

// End of File