1 /*

     2 * Copyright (c) 2008-2009 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:    Header for implementation of background processing indicator

    15 *

    16 */

    17 

    18 #ifndef GLXFULLSCREENBUSYICON_H_

    19 #define GLXFULLSCREENBUSYICON_H_

    20 

    21 #include <alf/alfControl.h>

    22 #include <mglxmedialistobserver.h>

    23 // Forward decleartion

    24 class CAlfEnv;

    25 class CAlfAnchorLayout;

    26 class CAlfImageVisual;

    27 class CGlxUiUtility;

    28 class MGlxMediaList;

    29 

    30 enum TGlxBusyIconControlGroupId

    31     {

    32     EBGPSOriPortrait = 10,

    33     EBGPsOriLandscape = 20

    34     };

    35 

    36 class CGlxFullScreenBusyIcon: public CAlfControl,public MGlxMediaListObserver

    37     {

    38 public:

    39     /*

    40      * NewL()

    41      */

    42     static CGlxFullScreenBusyIcon* NewL(MGlxMediaList& aMediaList,CGlxUiUtility& aUiUtility);

    43     /*

    44      * destructor

    45      */

    46     ~CGlxFullScreenBusyIcon();

    47     /*

    48      *  Shows the Busy Icon to indicate TN generation is going on.

    49      *  @param aShow ETrue the icon will be shown and EFlase the icon will be hidden  

    50      */    

    51     void ShowBusyIconL(TBool aShow);

    52 

    53 public://frm CAlControl

    54     void VisualLayoutUpdated(CAlfVisual& aVisual);        

    55 public: // from MGlxMediaListObserver

    56     void HandleItemAddedL( TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/ ){}

    57     void HandleItemRemovedL( TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/){}

    58     void HandleAttributesAvailableL( TInt aItemIndex, 

    59             const RArray<TMPXAttribute>& /*aAttributes*/, MGlxMediaList* aList );    

    60     void HandleFocusChangedL( NGlxListDefs::TFocusChangeType /*aType*/, 

    61             TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList );

    62     void HandleItemSelectedL(TInt /*aIndex*/, TBool /*aSelected*/, MGlxMediaList* /*aList*/ ){}

    63     void HandleMessageL( const CMPXMessage& /*aMessage*/, MGlxMediaList* /*aList*/ ){}

    64     void HandleError( TInt /*aError*/ );

    65     void HandleCommandCompleteL( CMPXCommand* /*aCommandResult*/, TInt /*aError*/, 

    66             MGlxMediaList* /*aList*/ ){}

    67     void HandleMediaL( TInt /*aListIndex*/, MGlxMediaList* /*aList*/ ){}

    68     void HandleItemModifiedL( const RArray<TInt>& /*aItemIndexes*/, MGlxMediaList* /*aList*/ ){}

    69 private:

    70     /*

    71      * Constructor

    72      */

    73 	CGlxFullScreenBusyIcon(MGlxMediaList& aMediaList,CGlxUiUtility& aUiUtility);    

    74     /*

    75      * ConstructL()

    76      */

    77     void ConstructL();

    78     /*

    79      *  Updates the position of the icon based on the screen size landscape/portrait 

    80      */

    81     void UpdatePosition();

    82     /*

    83      *  Gets the current screen size 

    84      */

    85     TRect GetScreenSize();

    86     /*

    87      * Callback for periodic timer

    88      */

    89     static TInt PeriodicCallbackL( TAny* aPtr );

    90     /*

    91      * nonstatic func called from periodic timer

    92      */

    93     void CallPeriodicCallbackL();

    94     /*

    95      *  Check the thumbnail generation for focus item is done

    96      *  @return ETrue if the generation is complete,EFalse if generation is going on.

    97      *   

    98      */        

    99     TBool IsReadyL();

   100     

   101 private:

   102 	MGlxMediaList&         iMediaList;

   103 	CGlxUiUtility&         iUiUtility;                      // CGlxUiUtility passed from FS view

   104     CAlfEnv*               iEnv;                            // Alf Env    

   105     CAlfAnchorLayout*      iMainVisual;                     // Anchor Layout

   106     CAlfImageVisual*       iBackgroundBorderImageVisual;    // Background Image Visual

   107     TRect                  iScreenSize;                     // Screen size      

   108     CPeriodic*             iPeriodic;

   109     TInt                   iBusyIconIndex;

   110     

   111     };

   112 

   113 

   114 #endif /* GLXFULLSCREENBUSYICON_H_ */