author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:40:50 +0300 | |
branch | RCL_3 |
changeset 15 | 04aa446da81c |
parent 8 | f73067c3e563 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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: Definition of the class CFMRadioAlfVisualizer. |
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* |
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*/ |
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#ifndef FMRADIOALFVISUALIZER_H |
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#define FMRADIOALFVISUALIZER_H |
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// INCLUDES |
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#include <AknUtils.h> |
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#include <alf/alfcontrol.h> |
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#include <alf/alfanchorlayout.h> |
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#include <gesturecontrol.h> |
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#include <gestureobserver.h> |
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#include "fmradiodefines.h" |
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#include "fmradio.hrh" |
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// CONSTANTS |
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/** Scroll directions of the visual objects. */ |
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enum TScrollDirection |
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{ |
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EScrollLeftToRight = 0xA0, |
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EScrollRightToLeft, |
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EScrollNone |
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}; |
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/** Possible display styles. */ |
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enum TFMRadioDisplayStyle |
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{ |
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EFMRadioDisplaySingleLine = 0, /**< Single line display. */ |
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EFMRadioDisplayDoubleLine, /**< Double line display. */ |
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EFMRadioDisplayTuning, /**< Tuning display. */ |
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EFMRadioDisplayNoDisplay /**< No display used. */ |
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}; |
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/** Display orientations. */ |
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enum TDisplayOrientation |
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{ |
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EPortrait = 0x4A, |
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ELandscape, |
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EOrientationNone |
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}; |
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// FORWARD DECLARATIONS |
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class CAlfTextVisual; |
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class CAlfViewportLayout; |
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class CAlfGradientBrush; |
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class CFMRadioAlfBitmapAnimation; |
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class CFMRadioAppUi; |
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class MTouchFeedback; |
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using namespace GestureHelper; |
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// CLASS DEFINITION |
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/** |
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* CFMRadioAlfVisualizer class |
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* |
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* Visualizes informations of the FMRadio to the display by Hitchcock UI Toolkit |
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*/ |
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NONSHARABLE_CLASS(CFMRadioAlfVisualizer) : public CGestureControl, public MGestureObserver |
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{ |
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public: // Constructors and destructor |
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/** |
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* Epoc two-phased constructor. |
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* @param aEnv Reference to the HitchCock environment instance. |
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* @return Pointer to this Visualizer component. |
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*/ |
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static CFMRadioAlfVisualizer* NewL( CAlfEnv& aEnv ); |
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/** |
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* Destructor |
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*/ |
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virtual ~CFMRadioAlfVisualizer(); |
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public: // Functions from base classes |
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/** |
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* From CGestureControl/CAlfControl, takes care of alfred event handling. |
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* @param aEvent |
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*/ |
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TBool OfferEventL( const TAlfEvent& aEvent ); |
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/** |
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* From CGestureControl, takes care of gesture event handling. |
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* @param aEvent |
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*/ |
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void HandleGestureL( const MGestureEvent& aEvent ); |
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public: // New functions |
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/** |
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* Changes station to next with scrolling and fading station's |
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* information (name, frequency, etc.). |
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* @param aChangeType The change type |
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* @param aFirstLine The text shown in the first line |
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* @param aSecondLine The text shown in the second line, or NULL |
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*/ |
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void ChangeStationL( TFMRadioStationChangeType aChangeType, |
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const TDesC& aFirstLine, |
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const TDesC* aSecondLine = NULL ); |
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/** |
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* Scrolls out the current station information lines by |
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* hiding actual visuals and scrolling out the created temporary information lines. |
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* @param aChangeType Station change type |
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*/ |
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void ScrollOutCurrentStationInformationL( TFMRadioStationChangeType aChangeType ); |
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/** |
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* Resets the station information and sets static text to the third line |
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* @param aInfoText an information text to show |
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* @param aChangeType The change type |
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*/ |
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void SetStaticInfoTextL( TFMRadioStationChangeType aChangeType, const TDesC& aInfoText ); |
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/** |
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* Change text color of the text visuals |
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* @param aTextColor Color of the visual texts |
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*/ |
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void SetStationInformationTextColor( const TRgb& aTextColor ); |
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/** |
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* Sets the display style in use. |
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* @param aDisplayStyle Display style to use. |
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*/ |
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void SetDisplayStyle( TFMRadioDisplayStyle aDisplayStyle ); |
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/** |
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* Returns the display style. |
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* @return Display style. |
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*/ |
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TFMRadioDisplayStyle DisplayStyle() const; |
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/** |
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* Calculates display layout |
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*/ |
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void UpdateLayout(); |
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/** |
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* Return orientation of the display |
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*/ |
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TDisplayOrientation Orientation(); |
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/** |
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* Set orientation of the display |
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* @param aOrientation Orientation of the display |
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*/ |
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void SetOrientation( TDisplayOrientation aOrientation ); |
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/** |
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* Set mirrored layout state |
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* @param aIsMirrored state |
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*/ |
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void SetMirrored( const TBool aIsMirrored ); |
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/** |
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* @return Mirrored layout state |
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*/ |
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TBool IsMirrored() const; |
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|
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/** |
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* Starts tuning animation after delay |
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*/ |
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void StartTuningAnimation(); |
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|
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/** |
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* Stops tuning animation by fading it away |
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*/ |
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void StopTuningAnimation(); |
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private: |
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/** |
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* C++ default constructor |
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*/ |
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CFMRadioAlfVisualizer( ); |
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/** |
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* EPOC second phase constructor. |
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* @param aEnv Reference to the Hitchcock environment instance. |
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*/ |
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void ConstructL( CAlfEnv& aEnv ); |
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private: // New functions |
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|
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/** The visuals of the station information display. */ |
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enum TStationInformationVisual |
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{ |
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EFirstLineTextVisual = 0x1, /**< Text visual of the first line. */ |
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ESecondLineTextVisual = 0x2, /**< Text visual of the second line. */ |
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ETuningTextVisual = 0x4, /* Tuning text visual. */ |
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EAllVisuals = EFirstLineTextVisual | |
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ESecondLineTextVisual | |
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ETuningTextVisual |
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}; |
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|
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/** |
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* Specifies the axis that is currently used in the station info drag |
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*/ |
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enum TFMRadioDragAxis |
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{ |
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EFMRadioDragAxisNone = 0, |
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EFMRadioDragAxisX, |
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EFMRadioDragAxisY |
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}; |
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|
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/** |
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* Sets text to the defined station information visual. |
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* @param aVisual The text visual object for showing |
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* @param aText Text |
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*/ |
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void SetVisualTextL( TStationInformationVisual aVisual, const TDesC& aText ); |
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/** |
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* Shows the defined station information visual. |
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* @param aVisual The text visual object for showing |
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* @param aFade <code>ETrue</code> if fade effect it to be used, <code>EFalse</code> otherwise. |
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*/ |
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void ShowVisual( TStationInformationVisual aVisual, TBool aFade ); |
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/** |
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* Hides the defined station information visual. |
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* @param aVisual The text visual object for hiding |
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*/ |
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void HideVisual( TStationInformationVisual aVisual ); |
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/** |
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* Sets and starts scrolling and fading animations to CAlfTextVisual. |
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* The visual object is scrolled from right side of the display to |
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* original position of the visual object. |
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* @param aVisual a pointer to the visual object |
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*/ |
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void ScrollRightToLeftWithFadeIn( CAlfVisual& aVisual ) const; |
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/** |
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* Sets and starts scrolling and fading animations to CAlfTextVisual. |
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* The visual object is scrolled from left side of the display to |
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* original position of the visual object. |
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* @param aVisual a pointer to the visual object |
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*/ |
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void ScrollLeftToRightWithFadeIn( CAlfVisual& aVisual ) const; |
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/** |
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* Sets and starts scrolling and fading animations to CAlfTextVisual. |
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* The visual object is scrolled from top of the display to |
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* original position of the visual object. |
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* @param aVisual a pointer to the visual object |
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*/ |
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void ScrollInFromTop( CAlfVisual& aVisual ) const; |
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/** |
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* Sets and starts scrolling and fading animations to CAlfTextVisual. |
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* The visual object is scrolled from bottom of the display to |
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* original position of the visual object. |
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* @param aVisual a pointer to the visual object |
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*/ |
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void ScrollInFromBottom( CAlfVisual& aVisual ) const; |
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/** |
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* Moves the visual back to it's original position |
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* @param aVisual The visual to be moved |
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*/ |
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void RevertVisual( CAlfVisual& aVisual ); |
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/** |
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* Sets and starts scrolling animation to CAlfVisual. |
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* The visual object is scrolled from current position to |
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* right side of the display |
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* @param aVisual a reference to the visual object |
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* @param aTime Time duration after the visual object has been scrolled to the target. |
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* Scrolling duration in milliseconds. |
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*/ |
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void ScrollToRight( CAlfVisual& aVisual, TInt aTime ) const; |
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/** |
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* Sets and starts scrolling animation to CAlfVisual. |
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* The visual object is scrolled from current position to |
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* left side of the display |
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* @param aVisual a reference to the visual object |
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* @param aTime Time duration after the visual object has been scrolled to the target. |
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* Scrolling duration in milliseconds. |
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*/ |
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void ScrollToLeft( CAlfVisual& aVisual, TInt aTime ) const; |
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/** |
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* Sets and starts scrolling animation to CAlfVisual. |
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* The visual object is scrolled from current position above the the display |
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* @param aVisual a reference to the visual object |
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* @param aTime Time duration after the visual object has been scrolled to the target. |
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* Scrolling duration in milliseconds. |
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*/ |
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void ScrollUp( CAlfVisual& aVisual, TInt aTime ) const; |
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/** |
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* Sets and starts scrolling animation to CAlfVisual. |
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* The visual object is scrolled from current position below the the display |
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* @param aVisual a reference to the visual object |
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* @param aTime Time duration after the visual object has been scrolled to the target. |
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* Scrolling duration in milliseconds. |
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*/ |
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void ScrollDown( CAlfVisual& aVisual, TInt aTime ) const; |
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/** |
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* Sets fade-in animation to the CAlfVisual. |
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* @param aVisual a reference to the visual object |
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* @param aFadingTime Time duration after the visual object has been faded in. |
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* Fading duration in milliseconds |
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* @param aOpacity Target opacity value |
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*/ |
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void FadeIn( CAlfVisual& aVisual, TInt aFadingTime, TReal aOpacity = 1.0f ) const; |
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/** |
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* Sets fade-out animation to the CAlfVisual. |
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* @param aVisual a reference to the visual object |
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* @param aFadingTime Time duration after the visual object has been faded out. |
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* Fading duration in milliseconds |
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* @param aOpacity Target opacity value |
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*/ |
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void FadeOut( CAlfVisual& aVisual, TInt aFadingTime, TReal aOpacity = 0.0f ) const; |
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/** |
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* Translates the visual object with passed arguments |
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* @param aTextVisual a pointer to the visual object |
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* @param aX Translation value in the horizontal direction |
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* @param aY Translation value in the vertical direction |
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*/ |
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void Translate( CAlfTextVisual* aTextVisual, const TAlfTimedValue& aX, const TAlfTimedValue& aY ); |
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/** |
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* Removes all transformations of the visual object such as the scaling and translating. |
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* @param aTextVisual a pointer to the visual object |
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*/ |
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void LoadTextVisualIdentity( CAlfTextVisual* aTextVisual ); |
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/** |
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* Sets absolute rect of the anchor by top left and bottom right points. |
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* @param aAnchor Anchor layout for setting placement |
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* @param aOrdinal Index of visual element |
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* @param aTopLeftPosition Top left point of the rect |
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* @param aBottomRightPosition Bottom right point of the rect |
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*/ |
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void SetAbsoluteCornerAnchors( CAlfAnchorLayout* aAnchor, |
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TInt aOrdinal, |
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const TPoint& aTopLeftPosition, |
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const TPoint& aBottomRightPosition ); |
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|
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/** |
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* Creates the needed drawing layers and visual objects |
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* for visualiazing the station information. |
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*/ |
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void AddInformationLayersL(); |
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/** |
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* Creates the text styles to be used by station information visualiazing |
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*/ |
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void CreateTextStylesForStationInformationL(); |
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/** |
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* Creates copy of current station information |
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*/ |
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void CreateTemporaryStationInformationVisualsL(); |
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/** |
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* Animates temporary station infoout of the display |
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* @param aChangeType Change type |
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*/ |
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void AnimateTemporaryStationInformationVisuals( TFMRadioStationChangeType aChangeType ); |
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/** |
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* Triggers the command to view handling |
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* @param aCommand command id |
0
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*/ |
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void TriggerCommandL( TInt aCommand = 0 ); |
0
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/** |
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* Static call back for the long key press timer. |
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* @param aSelf Pointer to self. |
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* @return KErrNone |
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*/ |
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static TInt StaticLongPressCallBack( TAny* aSelf ); |
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private: // Data |
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360 |
|
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/** Layout for the station information */ |
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TAknLayoutRect iStationInformationLayout; |
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/** Layout for the transparent background layer of the station information */ |
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TAknLayoutRect iTransparentBackgroundLayout; |
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|
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/** Layout for the first line. */ |
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TAknLayoutText iFirstLineLayout; |
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/** Layout for the second line */ |
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TAknLayoutText iSecondLineLayout; |
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/** Layout for the tuning text. */ |
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TAknLayoutText iTuningTextLayout; |
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/** Layout for the tuning animation. */ |
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TAknLayoutRect iTuningAnimationLayout; |
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|
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/** Visual object of the first line. Not owned. */ |
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CAlfTextVisual* iFirstLineVisualText; |
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/** Visual object of the second line. Not owned. */ |
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CAlfTextVisual* iSecondLineVisualText; |
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/** Visual text for tuning text. Not owned */ |
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CAlfTextVisual* iTuningVisualText; |
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381 |
|
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382 |
/** The layout for the station info visuals */ |
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CAlfAnchorLayout* iStationInformationAnchorLayout; |
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/** The layout for temporary station info fade out effect */ |
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CAlfAnchorLayout* iStationInformationTempAnchorLayout; |
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386 |
|
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387 |
/** Text color of the station information visuals */ |
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TRgb iStationInformationTextColor; |
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389 |
|
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390 |
/** Text style id of the first line */ |
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TInt iFirstLineTextStyleId; |
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392 |
/** Text style id of the second line */ |
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TInt iSecondLineTextStyleId; |
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/** Text style id of the tuning text line */ |
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TInt iTuningTextStyleId; |
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396 |
|
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397 |
/** Display style */ |
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TFMRadioDisplayStyle iDisplayStyle; |
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399 |
/** Display orientation */ |
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TDisplayOrientation iOrientation; |
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401 |
/** Scroll direction */ |
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402 |
TScrollDirection iScrollDirection; |
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// Bitmap Animation |
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CFMRadioAlfBitmapAnimation* iBmpAnimation; |
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// Flag to indicate mirrored layout usage |
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TBool iMirrored; |
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// visual size for bitmap animation positioning |
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TSize iTuningTextVisualSize; |
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409 |
// counts rt text (3rd line) scrollout -events for rt-timeout. |
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TInt iScrollOutCounter; |
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// Pointer to CFMRadioAppUi. Not owned |
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CFMRadioAppUi* iAppUi; |
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// key event |
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TInt iKeyScanCode; |
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/** |
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* If the long key event was detected or not. If it was, the subsequent key up should be ignored |
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*/ |
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TBool iLongKeyTriggered; |
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/** |
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* Long key press timer. Owned. |
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*/ |
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CPeriodic* iLongPressTimer; |
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// The position of the visual before the dragging started |
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TAlfTimedPoint iDragStartPosition; |
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// Status for determinging whether or not to revert the visual back to it's original position |
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TBool iRevertGestureDrag; |
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// The axis for the currently ongoing stroke |
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TFMRadioDragAxis iDragAxis; |
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// Tactile feedback for closing the popup |
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MTouchFeedback* iTouchFeedback; // For Tactile feedback |
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}; |
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|
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#endif //FMRADIOALFVISUALIZER_H |