1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  appui

    15  *

    16 */

    17 

    18 

    19 #ifndef TSAPPUI_H

    20 #define TSAPPUI_H

    21 

    22 #include <e32base.h> 

    23 #include <aknappui.h>

    24 

    25 #include <gfxtranseffect/gfxtranseffect.h>

    26 #include <akntransitionutils.h>

    27 

    28 #include "tsproplistener.h"

    29 #include "tscenreplistener.h"

    30 

    31 // FORWARD DECLARATIONS

    32 class CTsAppView;

    33 class CTsActionUtility;

    34 class CTsDeviceState;

    35 

    36 /**

    37  * CTsAppUi

    38  * Appui for tsak swicher app

    39  */

    40 class CTsAppUi : public CAknAppUi, 

    41                          public MTsPropertyChangeObserver,

    42                          public MTsCenrepChangeObserver,

    43                          public MGfxTransEffectObserver

    44     {

    45 

    46 public:

    47     /**

    48      * Perform the second phase construction of a CTsAppUi object

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

    50      */

    51     void ConstructL();

    52 

    53     /**

    54      * Perform the first phase of two phase construction.

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

    56      */

    57     CTsAppUi();

    58 

    59     /**

    60      * Destroy the object and release all memory objects

    61      */

    62     ~CTsAppUi();

    63 

    64 public: //effects

    65     /**

    66      * @return value of theme effects enabled flag

    67      */

    68     TBool EffectsEnabled() const;

    69     

    70     /**

    71      * Function start transition  

    72      */

    73     void StartTransion( TUint aTransitionType );

    74     

    75     /**

    76      * from MGfxTransEffectObserver

    77      */

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

    79     

    80     void MoveAppToForeground( TUint aTransitionType );

    81     void MoveAppToBackground( TUint aTransitionType );

    82     

    83 public:

    84     /**

    85      * From MTsCenrepChangeObserver

    86      */

    87     void CenrepChanged( TUint32 aKey, TInt aNewValue );

    88     

    89 

    90 private:

    91 

    92     // From MTsPropertyChangeObserver

    93     void PropertyChanged( TUid aCategory, TUint aKey );

    94 

    95     // From CEikAppUi

    96     void HandleResourceChangeL( TInt aType );

    97     void HandleForegroundEventL( TBool aForeground );

    98     void HandleCommandL( TInt aCommand );

    99     

   100     void StartTransition( TUint aTranstionId,

   101                           TBool aVisibility,

   102                           TBool aLayers, 

   103                           TUint aSubCom );

   104 

   105 private: // New functions

   106     

   107     /**

   108      * Called from HandleForegroundEventL if the app came to foreground.

   109      */

   110     void HandleSwitchToForegroundEvent();

   111     

   112     /**

   113      * Called from HandleForegroundEventL if the app went to background.

   114      */

   115     void HandleSwitchToBackgroundEvent();

   116 

   117     /**

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

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

   120      * 

   121      * @param aValue Property value. 

   122      */

   123     void SetTaskswitcherStateProperty( TInt aValue );

   124     

   125     /**

   126      * Sends request for close some 

   127      * other apps to free memory for 

   128      * task switcher app

   129      */

   130     void FreeMemoryRequest();

   131 

   132     static TInt GoToBackgroundTimerCallback( TAny* aParam );

   133 

   134 private:

   135 

   136     // Taskswitcher application view, owned

   137     CTsAppView* iAppView;

   138     

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

   140     CTsPropertyListener* iPropListener;

   141     

   142     // Tells if Taskswitcher is in foreground or in background

   143     TBool iForeground;

   144     

   145     // Application arch task which refers to our own app

   146     TApaTask iApplicationTask;

   147 

   148     // Device state

   149     CTsDeviceState* iDeviceState;

   150 

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

   152     TUint8* iMemAllocBuf;

   153 

   154     CPeriodic* iGoToBackgroundTimer;

   155     

   156     TBool iEffectsEnabled;

   157     

   158     /**

   159      * Cenrep listener for the tfxserver enabled/disabled key.

   160      */    

   161     CTsCenrepListener* iThemeEffectsEnabledWatcher;

   162     };

   163 

   164 #endif // TSAPPUI_H