/*

 * ============================================================================

 *  Name        : hgteleportappui.h

 *  Part of     : Hg Teleport

 *  Description : appui

 *  Version     : %version: sa1spcx1#26 %

 *

 *  Copyright © 2008 Nokia.  All rights reserved.

 *  This material, including documentation and any related computer

 *  programs, is protected by copyright controlled by Nokia.  All

 *  rights are reserved.  Copying, including reproducing, storing,

 *  adapting or translating, any or all of this material requires the

 *  prior written consent of Nokia.  This material also contains

 *  confidential information which may not be disclosed to others

 *  without the prior written consent of Nokia.

 * ============================================================================

 *

 */

#ifndef HGTELEPORTAPPUI_H

#define HGTELEPORTAPPUI_H

#include <e32base.h> 

#include <aknappui.h>

#include <gfxtranseffect/gfxtranseffect.h>

#include <akntransitionutils.h>

#include "hgproplistener.h"

#include "hgcenreplistener.h"

// FORWARD DECLARATIONS

class CHgTeleportAppView;

class CHgActionUtility;

class CHgTeleportDeviceState;

/**

 * CHgTeleportAppUi

 * Appui for hg teleport app

 */

class CHgTeleportAppUi : public CAknAppUi, 

                         public MHgPropertyChangeObserver,

                         public MHgCenrepChangeObserver,

                         public MGfxTransEffectObserver

    {

public:

    /**

     * Perform the second phase construction of a CHgTeleportAppUi object

     * this needs to be public due to the way the framework constructs the AppUi

     */

    void ConstructL();

    /**

     * Perform the first phase of two phase construction.

     * This needs to be public due to the way the framework constructs the AppUi

     */

    CHgTeleportAppUi();

    /**

     * Destroy the object and release all memory objects

     */

    ~CHgTeleportAppUi();

public: //effects

    /**

     * @return value of theme effects enabled flag

     */

    TBool EffectsEnabled() const;

    /**

     * Function start transition  

     */

    void StartTransion( TUint aTransitionType );

    /**

     * from MGfxTransEffectObserver

     */

    void TransitionFinished(const CCoeControl* aControl, TUint aAction);

    void MoveAppToForeground( TUint aTransitionType );

    void MoveAppToBackground( TUint aTransitionType );

public:

    /**

     * From MHgCenrepChangeObserver

     */

    void CenrepChanged( TUint32 aKey, TInt aNewValue );

private:

    // From MHgPropertyChangeObserver

    void PropertyChanged( TUid aCategory, TUint aKey );

    // From CEikAppUi

    void HandleResourceChangeL( TInt aType );

    void HandleForegroundEventL( TBool aForeground );

    void HandleCommandL( TInt aCommand );

    void StartTransition( TUint aTranstionId,

                          TBool aVisibility,

                          TBool aLayers, 

                          TUint aSubCom );

private: // New functions

    /**

     * Called from HandleForegroundEventL if the app came to foreground.

     */

    void HandleSwitchToForegroundEvent();

    /**

     * Called from HandleForegroundEventL if the app went to background.

     */

    void HandleSwitchToBackgroundEvent();

    /**

     * Sets P&S property which is used to monitor and set Teleport to 

     * background/foreground and short/long app key press.

     * 

     * @param aValue Property value. 

     */

    void SetTeleportStateProperty( TInt aValue );

    /**

     * Sends request for close some 

     * other apps to free memory for 

     * teleport app

     */

    void FreeMemoryRequest();

    static TInt GoToBackgroundTimerCallback( TAny* aParam );

private:

    // Teleport application view, owned

    CHgTeleportAppView* iAppView;

    // Listener for app key long press P&S, owned

    CHgPropertyListener* iPropListener;

    // Tells if Teleport is in foreground or in background

    TBool iForeground;

    // Application arch task which refers to our own app

    TApaTask iApplicationTask;

    // Device state

    CHgTeleportDeviceState* iDeviceState;

    // Buffer to keeping some memory allocation while being in background.    

    TUint8* iMemAllocBuf;

    CPeriodic* iGoToBackgroundTimer;

    TBool iEffectsEnabled;

    /**

     * Cenrep listener for the tfxserver enabled/disabled key.

     */    

    CHgCenrepListener* iThemeEffectsEnabledWatcher;

    };

#endif // HGTELEPORTAPPUI_H