author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 14 Sep 2010 20:58:58 +0300 | |
branch | RCL_3 |
changeset 88 | 3321d3e205b6 |
parent 83 | 5456b4e8b3a8 |
child 102 | ba63c83f4716 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 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: Taskswitcher Fast Swap area UI |
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* |
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*/ |
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#ifndef TSFASTSWAPGRID_H_ |
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#define TSFASTSWAPGRID_H_ |
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#include <AknGrid.h> |
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#include <aknconsts.h> |
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#include "tsdevicestate.h" |
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88
3321d3e205b6
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
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#include "tsfastswapareautils.h" |
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class CAknsFrameBackgroundControlContext; |
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/** |
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* Observer for handling fast swap grid events |
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*/ |
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class MTsFastSwapGridObserver |
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{ |
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public: |
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/** |
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* Called when close icon is tapped on the grid item. |
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* |
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* @param aItemIdx index of the the item for which close icon |
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* has been tapped |
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*/ |
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virtual void HandleCloseEventL( TInt aItemIdx ) = 0; |
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}; |
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/** |
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* Avkon grid implementing custom item drawer |
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*/ |
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class CTsFastSwapGrid: |
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public CAknGrid, |
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public MTsDeviceStateObserver, |
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public MTsFastSwapTimerObserver |
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{ |
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public: // enums |
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enum TFastSwapGridBehaviour |
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{ |
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// Highlight always visible |
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EHybrid, |
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// Touch only highlight handling |
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ETouchOnly |
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}; |
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public: // Constructor and destructor |
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CTsFastSwapGrid(); |
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~CTsFastSwapGrid(); |
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void ConstructL( const CCoeControl* aParent ); |
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public: // From CCoeControl |
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void HandlePointerEventL( const TPointerEvent &aPointerEvent ); |
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void HandleResourceChange( TInt aType ); |
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void SizeChanged(); |
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void Draw( const TRect& aRect ) const; |
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public: //From MTsDeviceStateObserver |
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/** |
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* Called when a change, to which the observer is registered, |
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* has happened. |
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*/ |
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virtual void HandleDeviceStateChanged( TChangeType aChangeType ); |
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public: // New functions |
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/** |
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* Sets fast swap grid observer |
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*/ |
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void SetFastSwapGridObserver( MTsFastSwapGridObserver* aObserver ); |
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/** |
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* Set indexes of items which can be closed. |
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* Copies item index array. |
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*/ |
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void SetCloseItemsL( RArray<TInt>& aItemIndex ); |
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/** |
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* Checks if the item of given index is closable |
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*/ |
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TBool CanCloseItem( TInt aItemIndex ); |
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/** |
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* Checks if the given item's close icon has been tapped. |
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*/ |
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TBool IsItemCloseHit( TInt aItemIndex ); |
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/** |
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* Resets index of the item that has been close icon hit |
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*/ |
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void ResetCloseHit(); |
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/** |
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* Sets color for the screenshot stroke. |
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* |
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* @param aColor color for the thumbnail |
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* @param aHighlightedColor color for thumbnail when item is highlighted |
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*/ |
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void SetStrokeColors( TRgb aColor, |
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TRgb aHighlightedColor ); |
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/** |
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* Sets items for which stroke will be drawn |
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* |
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* @param aItemIndex array of item indexes for which stroke |
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* is drawn |
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*/ |
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void SetStrokeItemsL( RArray<TInt>& aItemIndex ); |
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/** |
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* Sets grid behaviour |
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* |
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* @param aBehaviour behaviour to be set |
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*/ |
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void SetGridBehaviour( TFastSwapGridBehaviour aBehaviour ); |
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/** |
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* Getter for grid behaviour |
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* |
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* @return girds behaviour |
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*/ |
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TFastSwapGridBehaviour GridBehaviour(); |
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/** |
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* Shows highlight. In touch only behaviour highlight |
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* will be shown only for ammount of time. |
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*/ |
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void ShowHighlight(); |
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/** |
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* Hides highlight. |
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*/ |
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void HideHighlight(); |
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/** |
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* Checks if the highlight is currently visible. |
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* |
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* @return ETrue if highlight is visible |
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* EFalse if highlight is not visible |
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*/ |
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TBool IsHighlightVisible(); |
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/** |
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* Sets visible view, items outside of view will not be drawn |
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*/ |
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void SetVisibleViewRect( const TRect aRect ); |
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/** |
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* Returns visible view. Items outside of visible rectangle are not drawn. |
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*/ |
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TRect VisibleViewRect(); |
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/** |
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* Updates layout data for item drawer. Should be called when |
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* layout maybe out of date |
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*/ |
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void UpdateItemDrawerLayoutDataL(); |
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/** |
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* Enables/disables avkon event handling. |
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* |
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* @param aEnable if set to ETrue, pointer events will be forwarded |
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* to CAknGrid base class if necessary. If set to EFalse, |
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* no pointer events will be forwarded. |
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*/ |
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void EnableAknEventHandling( TBool aEnable ); |
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private: // From CAknGrid |
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virtual void CreateItemDrawerL(); |
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private: // From MTsFastSwapTimerObserver |
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void TimerCompletedL( CTsFastSwapTimer* aSource ); |
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private: // New functions |
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/** |
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* Loads close icon bitmap and mask |
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*/ |
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void LoadCloseIconAndStrokeParams(); |
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/** |
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* Redraws grid and parent controls |
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*/ |
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void Redraw(); |
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private: // Data |
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// Grid's parent |
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const CCoeControl* iParent; |
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// Close icon handling |
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RArray<TInt> iCloseItems; |
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TInt iCloseIconHitIdx; |
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MTsFastSwapGridObserver* iFastSwapGridObserver; |
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CTsFastSwapTimer* iCloseIconRedrawTimer; |
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// Highlight handling |
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TFastSwapGridBehaviour iBehaviour; |
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TBool iHighlightVisible; |
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// Visible view rectangle (horizontal scrolling support) |
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TRect iVisibleViewRect; |
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// Flag controlling input handling by grid |
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TBool iAknEventHandlingEnabled; |
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}; |
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/** |
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* Custom item drawer for drawing grid items |
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*/ |
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class CTsGridItemDrawer: public CFormattedCellListBoxItemDrawer |
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{ |
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public: // Constructor and destructor |
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CTsGridItemDrawer( CTsFastSwapGrid* aGrid, |
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CFormattedCellListBoxData* aData ); |
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~CTsGridItemDrawer(); |
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public: // New functions |
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/** |
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* Sets close icon drawn for items that can be closed. |
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* Ownership transferred. |
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*/ |
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void SetCloseIcon( CFbsBitmap* aBmp, CFbsBitmap* aBmpMask, |
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CFbsBitmap* aBmpPressed, CFbsBitmap* aBmpPressedMask ); |
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/** |
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* Initializes close icon rectangles. |
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* |
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* @param aButtonRect rectangle for the button, coordinates must be relative to the grid item |
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* @param aIconRect rectangle for the icon, coordinates must be relative to the grid item |
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*/ |
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void SetCloseIconRect( const TRect& aButtonRect, const TRect& aIconRect ); |
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/** |
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* Returns current close icon coordinates for the given item rectangle |
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* |
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* @param aItemRect rectangle of the item for which close button coordinates |
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* are to be returned |
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*/ |
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TRect GetCloseButtonRect( const TRect& aItemRect ) const; |
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/** |
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* Sets screen offset for the item drawer to not draw items on the |
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* grid edges |
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*/ |
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void SetEdgeOffset( TInt aLeftOffset, TInt aRightOffset ); |
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/** |
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* Enables/Disables item drawer background redrawing |
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* |
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* @param aEnable if set to ETrue, background will be redrawn by item drawer |
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* if set to EFalse, background will not be redrawn |
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*/ |
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void SetRedrawBackground( TBool aEnable ); |
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/** |
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* Sets color for the screenshot stroke. |
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* |
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* @param aColor color for the thumbnail |
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* @param aHighlightedColor color for thumbnail when item is highlighted |
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*/ |
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void SetStrokeColors( TRgb aNormalColor, |
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TRgb aHighlightedColor ); |
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/** |
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* Sets items for which stroke will be drawn |
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* |
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* @param aItemIndex array of item indexes for which stroke |
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* is drawn. |
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*/ |
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void SetStrokeItemsL( RArray<TInt>& aItemIndex ); |
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/** |
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* Sets stroke offset and size: values must be relative |
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* to item rectangle. |
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* |
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* @param aStrokeOffset offset of the stroke rectangle relative |
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* to item rectangle |
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* @param aStrokeSize size of the stroke rectangle |
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*/ |
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void SetStrokeOffset( TPoint aStrokeOffset, TSize aStrokeSize ); |
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/** |
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* Set screen rectangle, used by the item drawer to determine |
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* drawn area. |
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* |
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* @param aRect screen rectangle |
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*/ |
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void SetScreenRect( TRect aRect ); |
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private: // From CFormattedCellListBoxItemDrawer |
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void DrawActualItem( TInt aItemIndex, const TRect& aActualItemRect, |
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TBool aItemIsCurrent, TBool aViewIsEmphasized, |
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TBool aViewIsDimmed, TBool aItemIsSelected ) const; |
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private: // New functions |
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/** |
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* Checks if the item rectangle is visible in the view. |
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* |
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* @param aItemRect rectangle of the item to be checked |
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* @return ETrue if rectangle is fully or partially visible |
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* EFalse if rectangle is not visible |
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*/ |
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TBool IsItemRectVisible( const TRect& aItemRect ) const; |
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/** |
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* Checks if the aRectContained rectancle is contained by aRectContainig |
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* |
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* @param aRectContained rectangle that is suppose to be contained |
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* @param aRectContainig rectangle that is suppose to be containing |
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* @return ETrue if rectangle is fully contained |
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* EFalse if rectangle is not fully contained |
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*/ |
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TBool IsRectContained(const TRect& aRectContained, |
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const TRect& aRectContainig) const; |
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/** |
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* Calculates current inner button rectangle for close icon |
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*/ |
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TRect CalculateInnerButtonRect( const TRect& aOuterRect ) const; |
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private: // Data |
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// Not owned |
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CTsFastSwapGrid* iGrid; |
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// Owned |
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CFbsBitmap* iCloseIcon; |
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CFbsBitmap* iCloseIconMask; |
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CFbsBitmap* iCloseIconPressed; |
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CFbsBitmap* iCloseIconPressedMask; |
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TRect iScreenRect; |
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TInt iLeftOffset; |
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TInt iRightOffset; |
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// Close button data |
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TRect iCloseIconRect; |
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TRect iCloseButtonRect; |
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TBool iRedrawBackground; |
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// Stroke data |
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TRgb iStrokeColor; |
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TRgb iHighlightStrokeColor; |
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RArray<TInt> iStrokeItems; |
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TRect iStrokeRect; |
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}; |
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#endif /* TSFASTSWAPGRID_H_ */ |