--- a/camerauis/cameraapp/generic/inc/CamZoomPane.h Tue Feb 02 00:01:39 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,474 +0,0 @@
-/*
-* 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: Class for Camera Zoom Pane*
-*/
-
-
-
-#ifndef CAMZOOMPANE_H
-#define CAMZOOMPANE_H
-
-// INCLUDES
-#include <coecntrl.h>
-#include <eiklabel.h>
-#include <AknUtils.h> // for TAknLayout
-#include "CamPSI.h" // For Product Specific Information
-#include "CamAppController.h" // For controller definition
-#include "CamSettings.hrh" // For TCamPhotoSizeId
-#include "CamSettingsInternal.hrh"
-#include "CamResourceLoader.h"
-#include "CamZoomModel.h"
-#include "CamBmpRotatorAo.h"
-
-// CONSTANTS
-
-// MACROS
-
-// DATA TYPES
-
-// FUNCTION PROTOTYPES
-
-// FORWARD DECLARATIONS
-class CCamRemConObserver;
-class MTouchFeedback;
-
-// CLASS DECLARATION
-
-/**
-* Class for showing the current zoom level in a side pane.
-*
-* @since 2.8
-*/
-class CCamZoomPane : public CBase,
- public MCamControllerObserver,
- public MCamResourceLoader
- {
- // Private data type used internally by the zoom pane
- // to store the orientation it should be drawn
- enum TZPOrientation
- {
- EZPOrientationVertical = 0,
- EZPOrientationHorizontal = 1
- };
-
- public: // Constructors and destructor
-
- /**
- * Two-phased constructor.
- * @param aController handle to camera application controller
- * @param aOverlayViewFinder whether zoom pane is drawn over view finder
- */
- static CCamZoomPane* NewL( CCamAppController& aController,
- TBool aOverlayViewFinder );
-
- /**
- * Destructor.
- */
- virtual ~CCamZoomPane();
-
- public: // From MCamResourceLoader
- /**
- * From MCamResourceLoader
- * @since 3.0
- */
- void LoadResourceDataL();
-
- /**
- * From MCamResourceLoader
- * @since 3.0
- */
- void UnloadResourceData();
-
- /**
- * From MCamResourceLoader
- * @since 3.0
- */
- void ReloadResourceDataL();
-
- public: // New functions
- /**
- * Sets the range of values to be represented on the Zoom Pane "shaft".
- * These values should be retrieved from the CCaeEngine
- * @since 2.8
- * @param aMin The minimum supported value (typically zero)
- * @param aMax The maximum supported value (one or more)
- * @return KErrNone if parameters are valid, else KErrArgument
- */
- TInt SetZoomRange( TInt aMin, TInt aMax );
-
- /**
- * Sets the current zoom level. Must be within (inclusive) range passed
- * to the SetZoomRange function.
- * @since 2.8
- * @param aZoom New zoom value to use.
- * @return KErrNone if parameter valid, else KErrArgument
- */
- TInt SetZoomValue( TInt aZoom );
-
- /**
- * Sets the keys to be intepreted as zoom keys
- * @since 3.0
- * @param aZoomIn Zoom in key scancode
- * @param aZoomOut Zoom out key scancode
- */
- void SetZoomKeys( const RArray<TInt>& aZoomIn,
- const RArray<TInt>& aZoomOut );
-
- /**
- * Gets the current zoom step
- * @since 2.8
- * @returns The current zoom step
- */
- TInt ZoomValue() const;
-
- /**
- * Returns whether or not the Zoom Pane can currently be shown.
- * @since 2.8
- * @return ETrue if the Zoom Pane is allowed to be shown, else EFalse
- */
- TBool OkToShowPane() const;
-
- /**
- * Is the zoom pane is visible
- * @since 2.8
- * @return ETrue if the zoom pane is visible
- */
- TBool IsVisible() const;
-
- /**
- * Tells the zoom pane whether it is on display
- * @since 2.8
- * @param aVisible ETrue to make the zoom pane invisible
- * @param aRedraw Whether to force a redraw event
- */
- void MakeVisible( TBool aVisible, TBool aRedraw );
-
- /**
- * Draws the zoom pane
- * @since 2.8
- * @param aGc The graphics context to use for drawing
- */
- void Draw( CBitmapContext& aGc ) const;
-
- /**
- * Set draw rect
- * @since 2.8
- * @param aRect Rect zoom pane draws into
- */
- void SetRect( TRect aRect );
-
- /**
- * Handles zoom-key operation, passed in from the container.
- * @since 2.8
- * @param aKeyEvent The key event
- * @param aType the key type
- * @return Whether this key event was consumed or not
- */
- TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
-
- /**
- * Returns the zoom pane rect
- * @since 3.0
- * @return the zoom pane rect
- */
- TRect Rect() const;
-
- /**
- * Called when the parent gains or loses foreground
- * @param aForeground ETrue if gained foreground, else EFalse
- * @since 3.0
- */
- void HandleForegroundEvent( TBool aForeground );
-
- /**
- * Sets the number of zoom steps for each type of zoom to be
- * reflected in the zoom pane shaft
- * @param aOptSteps The number of optical zoom steps
- * @param aStdSteps The number of digital zoom steps
- * @param aExtSteps The number of extended digital zoom steps
- * @since 3.0
- */
- void SetZoomSteps( TInt aOptSteps, TInt aStdSteps, TInt aExtSteps );
-
- /**
- * Returns whether there is currently an ongoing zoom operation.
- * @since 3.0
- * @return ETrue if zooming, else EFalse
- */
- TBool IsCurrentlyZooming() const;
-
- /**
- * Indicates that the zoom level should be reset to default
- * when the engine is next prepared
- * @since 2.8
- * @param aReset ETrue if the zoom pane should be reset, else EFalse
- */
- void ResetToDefaultAfterPrepare( TBool aReset );
-
- /**
- * Indicates whether or not the zoom level is waiting to be reset to default
- * @since 3.0
- * @return TBool ETrue if a reset is pending, othewise EFalse
- */
- TBool IsResetPending() const;
-
- /**
- * Sets a point position to be based on another point plus an optional offset.
- * Used for moving along the slider. Whether the X or Y part of the point
- * changes is dependent on the current orientation
- * @since 3.0
- * @param aPoint This point will be overwritten with the new X/Y values
- * @param aOffset This is the basis for the new value for 'aPoint'
- * @param aAddditional This is an additional modification to 'aOffset' value
- */
- void SetPoint( TPoint& aPoint, const TPoint& aOffset, TInt aAdditional = 0) const;
-
- /**
- * Returns whether the current zoom value is the minimum zoom
- * @since 3.1
- * @return Whether the current zoom value is the minimum zoom
- */
- TBool IsZoomAtMinimum() const;
-
- /**
- * Stops all zooming activity
- */
- void StopZoom();
-
- /***
- * Resets the zoom (digital, and, if available, optical) to 1x
- * @since 3.0
- */
- void ResetZoomTo1x();
-
- /***
- * Handle pointer events
- * @since S60 v5.0
- * @param TPointerEvent, pointer event
- * @return TBool, ETrue if the pointer event was used
- */
- TBool HandlePointerEventL( const TPointerEvent& aPointerEvent );
-
- /***
- * Handle pointer events
- * @since S60 v5.0
- * @param TInt, Pointer's Y-position
- * @return TBool, ETrue if the pointer event was used
- */
- TBool StartTouchZoomL( TInt aPointer );
-
-
-
- public: // Functions from base classes
- protected: // New functions
- protected: // Functions from CCoeControl
-
- /**
- * Handles events from the controller
- * @since 2.8
- * @param aEvent The controller event that has occurred
- * @param aError An associated error code
- */
- void HandleControllerEventL( TCamControllerEvent aEvent, TInt aError );
-
- protected: // Functions from base classes
- private:
-
- /**
- * C++ default constructor.
- * since 2.8
- * @param aRect parent rect
- * @param aController handle to camera application controller
- * @param aOverlayViewFinder whether zoom pane is drawn over view finder
- */
- CCamZoomPane( CCamAppController& aController,
- TBool aOverlayViewFinder );
-
- /**
- * By default Symbian 2nd phase constructor is private.
- */
- void ConstructL();
-
- /**
- * Reads layout information from a resource
- * @since 2.8
- */
- void ReadLayoutL();
-
- /**
- * Updates Layout and size of control
- * @since S60 5.0
- */
- void SizeChanged();
-
- /**
- * Draws the thumb on the zoom pane
- * @since 3.0
- * @param aGc The graphics context to draw to
- */
- void DrawThumb( CBitmapContext& aGc ) const;
-
- /**
- * Draws the shaft of the zoom pane
- * @since 3.0
- * @param aGc The graphics context to draw to
- */
- void DrawShaft( CBitmapContext& aGc ) const;
-
- /**
- * Draws the plus/minus icons for the zoom pane
- * @since 3.0
- * @param aGc The graphics context to draw to
- */
- void DrawPlusMinus( CBitmapContext& aGc ) const;
-
- /**
- * Returns the current Zoom Pane orientation based on stored
- * settings and whether the current camera supports horizontal zoom bar
- * @since 3.0
- * @return The orientation (veritcal or horizontal)
- */
- TZPOrientation PaneOrientation() const;
-
- /**
- * Read nontouch layout
- */
- void TouchLayout();
-
- /**
- * Read touch layout
- */
- void NonTouchLayout();
-
- /*
- * Reads zoom keys from the appropriate array
- */
- void ReadZoomKeys( const RArray<TInt>& aSource,
- RArray<TInt>& aTarget );
- /*
- * Checks for the zoom key with the mapped key's scan code
- */
- TBool CheckForZoomKey( const TKeyEvent& aKeyEvent,
- const RArray<TInt>& aKeys );
-
- /**
- * Touchfeedback
- * @since S60 v5.0
- */
- void Touchfeedback();
-
- public: // Data
-
- protected: // Data
-
- private: // Data
-
- // The bitmaps for the graphical components.
- CFbsBitmap* iIconZoomTop[2];
- CFbsBitmap* iIconZoomMiddle[2];
- CFbsBitmap* iIconZoomBottom[2];
- CFbsBitmap* iIconZoomMarker[2];
- CFbsBitmap* iIconZoomMarkerGray[2];
- CFbsBitmap* iIconZoomMin[2];
- CFbsBitmap* iIconZoomMax[2];
- CFbsBitmap* iIconZoomMarkerCurrent;
-
- TRect iZoomPaneRect;
- TRect iSliderParentRect;
- TPoint iPlusPoint;
- TPoint iMinusPoint;
- TPoint iTopPoint;
- TPoint iMiddlePoint;
- TPoint iBottomPoint;
-
- //Holds the maximum 'travel' of the thumb along the slider
- TInt iMaxOffset;
-
- // Minimum supported zoom level
- TInt iMinZoom;
-
- // Maximum supported zoom level
- TInt iMaxZoom;
-
- // Actual zoom level
- TInt iCurZoom;
-
- // Targeted zoom level to be indicated by the thumb
- TInt iTrgZoom;
-
- // Previous pointer Y-position
- TInt iPointerPrevi;
-
- // Whether we are currently recording video or not.
- TBool iRecordingVideo;
-
- // Reference to the Controller
- CCamAppController& iController;
-
- // Represents a bitmask of TCamVideoZoom for video zoom features
- TInt iZoomSupport;
-
- // Determine from PSI if zoom pane are overlaid on VF
- TBool iOverlayViewFinder;
-
- // is the zoom pane visible
- TBool iVisible;
-
- // Determine whether or not touch is active
- TBool iTouchActive;
-
- // The current engine state, updated if it changes
- TCamCameraState iCameraState;
-
- // The zoom model, owned by this control
- CCamZoomModel* iModel;
-
- // The number of key repeats received in a row.
- TInt iRepeatCounter;
-
- // The optical, digital and extended zoom steps to be shown on the zoom bar
- TInt iOptSteps;
- TInt iStdSteps;
- TInt iExtSteps;
-
- // Stores the look and feel info of the zoom bar
- TCamZoomLAF iZoomLAF;
-
- // Stores the orientation of the zoom pane (vertical or horizontal)
- // as read from the Central Repository
- TZPOrientation iOrientation;
-
- // Whether or not product uses volume keys for zoom
- TBool iZoomUsingVolumeKeys;
-
- // Whether or not product uses navi-key left and right for zoom
- TBool iZoomUsingNaviKeys;
-
- // Performs zoom frame/thumb bitmap rotation when needed
- CCamBmpRotatorAo* iRotatorAo;
-
- // Timer used to remove zoom pane after a short delay
- CCamTimer* iZoomTimer;
- MTouchFeedback* iFeedback; // Not own
-
- // observer to receive volume key presses
- CCamRemConObserver* iVolumeKeyObserver;
-
- RArray<TInt> iZoomInKeys;
- RArray<TInt> iZoomOutKeys;
- };
-
-#endif // CAMZOOMPANE_H
-
-// End of File