videoplayback/inc/mpxvideoplaybackmediadetailsviewer.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 15:59:50 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201013 Kit: 201015
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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:  Media Details Viewer
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*
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*/
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// Version : %version:  e003sa33#6 %
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#ifndef MPXVIDEOPLAYBACKMEDIADETAILSVIEWER_H_
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#define MPXVIDEOPLAYBACKMEDIADETAILSVIEWER_H_
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//  INCLUDES
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#include <coecntrl.h>
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#include "mpxvideo_debug.h"
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// FORWARD DECLARATIONS
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class CEikLabel;
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class CMPXVideoPlaybackViewFileDetails;
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class CMPXVideoPlaybackControlsController;
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#ifdef RD_TACTILE_FEEDBACK
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class MTouchFeedback;
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#endif //RD_TACTILE_FEEDBACK
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class CMPXVideoPlaybackMediaDetailsViewer : public CCoeControl
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{
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    public:
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        /**
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        * Two-phased constructor.
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        */
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        static CMPXVideoPlaybackMediaDetailsViewer* NewL( CMPXVideoPlaybackControlsController* aController);
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        /**
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        * Destructor.
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        */
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        virtual ~CMPXVideoPlaybackMediaDetailsViewer();
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    private:
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        /**
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        * C++ default constructor.
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        */
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        CMPXVideoPlaybackMediaDetailsViewer( CMPXVideoPlaybackControlsController* aController );
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        /**
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         * By default Symbian 2nd phase constructor is private.
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         */
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        void ConstructL();
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    private:
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        /**
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        * From CoeControl,CountComponentControls.
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        * @return Number of contained component controls.
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        */
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        TInt CountComponentControls() const;
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        /**
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        * From CCoeControl,ComponentControl.
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        * @param aIndex index of a contained component control.
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        */
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        CCoeControl* ComponentControl( TInt aIndex ) const;
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        /**
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        * From CCoeControl,Draw.
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        * @param aRect drawable area.
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        */
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        void Draw( const TRect& aRect ) const;
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        /**
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        * Creates new skins for the control
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        * @return void
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        */
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        void SkinChangeL();        
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    public: // from CoeControl
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        /**
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        * From CoeControl,OfferKeyEventL
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        */
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        void HandlePointerEventL( const TPointerEvent& aPointerEvent );
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    public:
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        /*
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         *  Bring the button bar to its original state
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         *  @since 5.0
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         */
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        void Reset();
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        /** 
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        * Accessor for the dynamically calculated viewer rect
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        * @since 9.2 
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        * @return the viewer rect
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        */                   
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        TRect ViewerRect();         
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    private:
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        void CreateLabelsL();
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        void LaunchDRMDetailsL();
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        /**
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        * Sets label rects and text
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        */
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        void FormatLabelsL() const;   
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        void UpdateBackgroundBitmapL() const;
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        /** 
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        * Timer callback for scroll timer
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        * @since 9.2 
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        * @param aPtr Pointer to timers callback 
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        * @return KErrNone 
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        */ 
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        static TInt ScrollTimer( TAny* aPtr );
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        /** 
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        * Handle Scroll Timer
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        * @since 9.2 
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        * @return void 
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        */ 
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        void HandleScrollTimerL();
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        /** 
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        * Determine the number of items to be shown in the viewer
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        * @since 9.2 
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        * @return the number of rows to be created
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        */         
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        TInt NumOfItemsShownInViewerL();
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        /** 
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        * Dynamically calculate determine the viewer rectangle dyanmically
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        * @since 9.2 
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        * @return the viewer rect
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        */                   
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        TRect CalculateViewerRectL();          
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        /**
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         * Update the text of filename label
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         */
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        void UpdateFilenameL();
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        /**
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         * Update the text of title label
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         */
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        void UpdateTitleL();
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    private:
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        /**
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         * Scroll the too long text for some label
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         */
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        class TTextScroller
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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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                TTextScroller();
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                /**
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                 * Check if the source text needs scrolling.
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                 */
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                TBool IsScrollNeeded();
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                /**
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                 * Check if the text of a label needs to be updated
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                 */
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                TBool IsUpdateNeeded();
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                /**
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                 * Scroll the source text, and append it to the destination text
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                 *
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                 * @param aSrcText the source text to be scrolled.
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                 * @param aDesText to which the scrolled text to be appended
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                 */
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                void ScrollText( const TDesC& aSrcText, TDes& aDesText );
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            private:
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                TUint32		iDelayBeginningTick;
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                TInt		iTextScrollPos;
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                TBool		iDelay;
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                TBool		iScroll;
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                TInt		iSrcTextLen;
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        };
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    private:    // Data
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        CMPXVideoPlaybackControlsController* iController;
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        CEikLabel*                           iClipnameLabel;
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        CEikLabel*                           iTitleLabel;
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        CEikLabel*                           iArtistLabel;        
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        CEikLabel*                           iFormatLabel;
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        CEikLabel*                           iResolutionLabel;
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        CEikLabel*                           iDurationLabel;
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        CEikLabel*                           iBitrateLabel;
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        CEikLabel*                           iLicenseLabel;
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        CEikLabel*                           iAdditionalLabel;
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        CFbsBitmap*                          iBackgroundBitmap;   
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        CPeriodic*                           iScrollingTextTimer;
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        TRect                                iViewerRect;
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        HBufC*                               iAdditionalString;
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        TTextScroller                        iFilenameScroller;
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        TTextScroller                        iTitleScroller;
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        // after every scrolling label has updated, draw them
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        TBool                                iScrolledTextUpdated; 
0
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};
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#endif /* MPXVIDEOPLAYBACKMEDIADETAILSVIEWER_H_ */