author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 20:10:36 +0200 | |
changeset 2 | 08c6ee43b396 |
permissions | -rw-r--r-- |
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/* |
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* ============================================================================ |
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* Name : hgteleportfastswaparea.h |
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* Part of : Hg Teleport |
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* Description : Teleport Fast Swap area UI |
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* Version : %version: sa1spcx1#45 % |
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* |
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* Copyright © 2008 Nokia. All rights reserved. |
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* This material, including documentation and any related computer |
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* programs, is protected by copyright controlled by Nokia. All |
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* rights are reserved. Copying, including reproducing, storing, |
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* adapting or translating, any or all of this material requires the |
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* prior written consent of Nokia. This material also contains |
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* confidential information which may not be disclosed to others |
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* without the prior written consent of Nokia. |
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* ============================================================================ |
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* |
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*/ |
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//macro TASKSWITCHER_USE_CUSTOM_LAYOUT |
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#if !defined ( TASKSWITCHER_USE_CUSTOM_LAYOUT ) |
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//#define TASKSWITCHER_USE_CUSTOM_LAYOUT 1 |
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#endif |
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#ifndef HGTELEPORTFASTSWAPAREA_H |
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#define HGTELEPORTFASTSWAPAREA_H |
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#include <e32base.h> |
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#include <eikmobs.h> |
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#include "hgteleportdevicestate.h" |
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#include "hgfswclientobserver.h" |
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#include "hgteleportfastswapgrid.h" |
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#include "hgteleporteventcontrolerobserver.h" |
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// FORWARD DECLARATIONS |
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class CHgFswClient; |
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class CHgFswEntry; |
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class CAknStylusPopUpMenu; |
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class CAknQueryDialog; |
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class CHgTeleportEventControler; |
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class MHgTeleportDataChangeObserver; |
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#ifdef TASKSWITCHER_USE_CUSTOM_LAYOUT |
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const TInt KFswItemHeight = 250; |
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const TInt KFswItemWidth = 240; |
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const TInt KFswImageSize = 200; |
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const TInt KFswTextHeight = 20; |
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const TInt KFswBorderSize = 10; |
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const TInt KFswHeadingHeight = 50; |
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#endif |
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|
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/** |
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* Teleport Fast Swap area UI. |
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*/ |
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class CHgTeleportFastSwapArea: public CCoeControl, |
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public MEikMenuObserver, |
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public MHgFswObserver, |
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public MEikListBoxObserver, |
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public MHgTeleportFastSwapGridObserver, |
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private MHgTeleportEventControlerObserver, |
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public MHgDeviceStateObserver, |
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public MHgTeleportFastSwapTimerObserver |
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{ |
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public: |
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/** |
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* Two-phase constructor. |
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* |
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* @param aRect Area where fast swap info & list should draw itself. |
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* @param aParent Parent CoeControl. |
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*/ |
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static CHgTeleportFastSwapArea* NewL( const TRect& aRect, |
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CCoeControl& aParent, CHgTeleportDeviceState& aDeviceState, |
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CHgTeleportEventControler& aEventHandler); |
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/** |
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* @copydoc NewL |
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*/ |
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static CHgTeleportFastSwapArea* NewLC( const TRect& aRect, |
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CCoeControl& aParent, CHgTeleportDeviceState& aDeviceState, |
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CHgTeleportEventControler& aEventHandler); |
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|
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/** |
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* Destructor. |
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*/ |
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~CHgTeleportFastSwapArea(); |
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/** |
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* Called from appview when coming to foreground. |
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*/ |
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void HandleSwitchToForegroundEvent(); |
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/** |
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* Called from appview when going to background. |
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*/ |
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void HandleSwitchToBackgroundEvent(); |
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/** |
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* Called after construction to set up additional properties, |
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* like the control observer. |
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*/ |
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void Setup( MCoeControlObserver& aControlObserver ); |
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/** |
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* Saves the index of the currently selected (highlighted) item. |
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*/ |
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void SaveSelectedIndex(); |
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/** |
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* Restores the selection (highlight) position. |
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*/ |
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void RestoreSelectedIndex(); |
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// Functions to perform activate, close, close others operations. |
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// They are public so same functionality can be implemented in the |
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// Options menu (appui) for example. |
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/** |
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* Index of highlighted item or KErrNotFound. |
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*/ |
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TInt SelectedIndex() const; |
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/** |
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* Brings the app corresponding to the item at given index into foreground. |
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*/ |
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void SwitchToApp( TInt aIndex ); |
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/** |
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* Sends close msg to given app. |
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* @param aIndex index |
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* @param aSuppressRendering content is not refreshed if ETrue |
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*/ |
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void TryCloseAppL( TInt aIndex, TBool aSuppressRendering = EFalse ); |
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/** |
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* Sends close msg to given app if user confirms the query. |
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*/ |
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void TryCloseAppWithQueryL( TInt aIndex ); |
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/** |
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* Tries to Close all applications that cn be closed |
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*/ |
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void TryCloseAllL(); |
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/** |
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* True if it is allowed to ask the given app to close. |
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* @param aIndex index |
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*/ |
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TBool CanClose( TInt aIndex ) const; |
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/** |
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* @param aSelectedItem item for which pop up is shown |
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* |
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* @return ETrue, when number of closable apps is >= 2 or there is at least |
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* one closable item and non closable item is selected. |
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* @return EFalse, when number of closable apps is < 2. |
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*/ |
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TBool CanCloseAll( TInt aSelectedItem ) const; |
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/** |
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* Returns the number of items in the list. |
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*/ |
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TInt Count() const; |
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/** |
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* Returns the underlying Ganes control pointer. |
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*/ |
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CCoeControl* GetChildControl() { return iGrid; } |
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/** |
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* Sets the data-changed observer. |
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*/ |
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void SetDataChangeObserver( MHgTeleportDataChangeObserver* aDcObserver ); |
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/* |
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* Handling short/long app key. |
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*/ |
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void HandleAppKey(TInt aType); |
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private: |
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/** |
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* @copydoc NewL |
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*/ |
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void ConstructL( const TRect& aRect ); |
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/** |
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* C++ constructor. |
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*/ |
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CHgTeleportFastSwapArea(CCoeControl& aParent, |
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CHgTeleportDeviceState& aDeviceState, |
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CHgTeleportEventControler& aEventHandler); |
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// From MEikListBoxObserver |
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void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType); |
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public: |
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/** |
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* Implements drag gesture handling |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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void MoveOffset(const TPoint&); |
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/** |
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* Implements tap gesture handling |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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void TapL(const TPoint&); |
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/** |
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* Implements long tap gesture handling |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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void LongTapL(const TPoint&); |
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/** |
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* Implements drag gesture handling |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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void Drag(const AknTouchGestureFw::MAknTouchGestureFwDragEvent& aEvent); |
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/** |
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* Implements animation stop handling |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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void Stop(); |
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/** |
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* Implements view position getter. Returns point in the middle of the |
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* grid view window. |
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* |
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* @see MHgTeleportEventControlerObserver |
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*/ |
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TPoint ViewPos()const; |
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public: |
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// from CCoeControl |
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TInt CountComponentControls() const; |
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CCoeControl* ComponentControl(TInt aIndex) const; |
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void FocusChanged( TDrawNow aDrawNow ); |
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void SizeChanged(); |
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void Draw( const TRect& aRect ) const; |
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TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ); |
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void HandlePointerEventL( const TPointerEvent& aPointerEvent ); |
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private: |
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// From MHgFswObserver |
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void HandleFswContentChanged(); |
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// From MEikMenuObserver |
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void ProcessCommandL( TInt aCommandId ); |
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void SetEmphasis( CCoeControl*, TBool ) { } |
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// From MHgTeleportFastSwapGridObserver |
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void HandleCloseEventL(TInt aItemIdx); |
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// From MHgDeviceStateObserver |
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void HandleDeviceStateChanged( TChangeType aChangeType ); |
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// From MHgTeleportFastSwapTimerObserver |
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void TimerCompletedL( CHgTeleportFastSwapTimer* aSource ); |
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// new functions |
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/** |
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* Makes a copy of the given bitmap. |
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* Also scaled to the given size, but maintains aspect ratio, |
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* so the size of the returned bitmap may be less then aSize. |
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*/ |
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CFbsBitmap* CopyBitmapL( TInt aFbsHandle, TSize aSize ); |
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/** |
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* Called from HandleFswContentChanged. |
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*/ |
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void HandleFswContentChangedL(); |
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/** |
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* Shows the content from iArray on the screen. |
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*/ |
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void RenderContentL(); |
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/** |
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* Creates the ganes grid control. |
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*/ |
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void ReCreateGridL(); |
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/** |
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* Returns rectangles for fast swap area controls |
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*/ |
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void GetFastSwapAreaRects( RArray<TAknLayoutRect>& aRects ); |
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/** |
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* Creates a stylus popup instance (iPopup) if not yet done. |
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*/ |
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void PreCreatePopupL(); |
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/** |
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* Shows the stylus popup menu if not yet visible. |
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* @param aIndex index of item in the grid |
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* @param aPoint position for the popup |
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*/ |
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TBool ShowPopupL( TInt aIndex, const TPoint& aPoint ); |
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/** |
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* Shows the app close confirmation query. |
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* @param aIndex index of item in the grid |
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* @return ETrue if accepted EFalse if canceled |
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*/ |
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TBool ConfirmCloseL( TInt aIndex ); |
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/** |
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* Sends the data-changed notification. |
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*/ |
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void NotifyChange(); |
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/** |
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* Chage application order. |
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* move Homescreen to first left position. |
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*/ |
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void SwapApplicationOrder( RPointerArray<CHgFswEntry>& aArray ); |
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|
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/** |
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* Retrieves and returns size for image graphics. |
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*/ |
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TSize PreferredImageSize(); |
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|
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/** |
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* Retrieves number of items in grid |
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*/ |
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TInt GridItemCount(); |
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|
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/** |
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* Calculates the correct size if aspect ratio needs to be preserved. |
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*/ |
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TSize CalculateSizePreserveRatio(const TSize& aTargetAreaSize, |
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const TSize& aSourceSize); |
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|
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/** |
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* Selects next item in grid |
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*/ |
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void SelectNextItem(); |
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|
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/** |
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* Highlight current grid'd item and redraw |
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*/ |
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void ShowHighlight(); |
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|
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/** |
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* Centralise most centered item so it was most exposed on the view. |
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* Centered element is being selected by grid. |
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* Animation to the centered element is made after aRedrawDelay time. |
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* |
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* @param aRedrawDelay - animation delay. |
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*/ |
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void CenterItem( TInt aRedrawDelay); |
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|
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/** |
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* Returns full grid view size. |
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*/ |
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TSize GridWorldSize(); |
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|
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363 |
/** |
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* Updates grid, called for manual grid scroll update |
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* |
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* @param aForceRedraw if set to ETrue - redraw will be forced |
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* @param aAnimate set to ETrue to enable animation |
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*/ |
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void UpdateGrid( TBool aForceRedraw = EFalse, |
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TBool aAnimate = ETrue ); |
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|
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/** |
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* Returns grid view size |
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*/ |
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TSize ViewSize(); |
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|
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/** |
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* Returns the position of the given item inside grid world rect. |
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* Returns point in the middle of the view rectangle. |
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* |
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* @param aItemIdx index of the item for which calculation will be done |
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*/ |
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TPoint ItemViewPosition( TInt aItemIdx ); |
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384 |
|
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385 |
/** |
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386 |
* Returns index of the shown item, based on the logical |
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* position of the grids view. Item that is closest to the |
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* middle of screen is returned. |
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389 |
* |
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* @param aViewPos grids view position. This must be point in |
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* the middle of the view rectangle |
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* @return index of the item |
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*/ |
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TInt ViewToVisibleItem( const TPoint aViewPos ); |
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395 |
|
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396 |
/** |
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397 |
* Launches increasing pop-up feedback. |
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398 |
*/ |
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399 |
void LaunchPopupFeedback(); |
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400 |
|
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401 |
private: // Data |
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402 |
|
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403 |
// parent control |
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404 |
CCoeControl& iParent; |
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405 |
|
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406 |
// device state |
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407 |
// not own |
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CHgTeleportDeviceState& iDeviceState; |
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409 |
|
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// grid, own |
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CHgTeleportFastSwapGrid* iGrid; |
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412 |
|
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413 |
// fsw client, own |
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414 |
CHgFswClient* iFSClient; |
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415 |
// fsw content, ptrs owned |
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RPointerArray<CHgFswEntry> iArray; |
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417 |
|
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418 |
// index of selected (highlighted) item in the grid |
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// when the fsw was last focused |
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TInt iSavedSelectedIndex; |
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421 |
|
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422 |
// fsw popup (activate, close, etc.), own |
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423 |
CAknStylusPopUpMenu* iPopup; |
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// the aIndex argument of ShowPopupL is stored here |
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425 |
TInt iAppIndexForPopup; |
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426 |
|
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427 |
// query shown when pressing Clear key in fsw, own |
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428 |
CAknQueryDialog* iConfirmCloseQuery; |
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// Timestamp of the last application close operation |
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TTime iTimeOfLastClose; |
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// Observer ptr, may be NULL, not owned |
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MHgTeleportDataChangeObserver* iDcObserver; |
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//Input events handler |
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CHgTeleportEventControler& iEvtHandler; |
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TInt iMaxItemsOnScreen; |
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TInt iPreviousNoOfItems; |
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// Tap event |
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TPointerEvent iTapEvent; |
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CHgTeleportFastSwapTimer* iHighlightTimer; |
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TBool iLongTap; |
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// Grid scrolling |
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TInt iGridItemWidth; |
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CHgTeleportFastSwapTimer* iRedrawTimer; // owned |
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CHgTeleportFastSwapTimer* iUpdateGridTimer;//owned |
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// Key event handling |
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TBool iConsumeEvent; |
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TBool iKeyEvent; |
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}; |
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#endif // HGTELEPORTFASTSWAPAREA_H |