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:    Media item list observer interface 

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXTOOLBARCONTROLLER_H

    22 #define GLXTOOLBARCONTROLLER_H

    23 

    24 #include <mglxmedialistobserver.h>

    25 #include <akntoolbar.h>             // For Toolbar

    26 

    27 

    28 NONSHARABLE_CLASS( CGlxToolbarController ): public CBase, public MGlxMediaListObserver

    29     {

    30 public:

    31     /*

    32      * function NewL

    33      */

    34     static CGlxToolbarController* NewL ();

    35     

    36     /*

    37      * Adds object of CGlxToolbar to observe medialist

    38      * @param aList Reference of MGlxMediaList 

    39      */

    40     void AddToObserverL(MGlxMediaList& aList, CAknToolbar* aToolbar);

    41     

    42     /*

    43      * Removes object of CGlxToolbar from medialist observer

    44      * @param aList Reference of MGlxMediaList

    45      */

    46     void RemoveFromObserver (MGlxMediaList& aList);

    47     

    48     /**

    49      * Sets toolbar status.This is called after adding CGlxToolbarController

    50      * to medialist observer, if there is no HandleAttributeAvailable callback.

    51      * (This is done to activate toolbar when attributes are already available in cache)

    52      * @param aList Pointer to MGlxMediaList

    53      */

    54     void SetStatusOnViewActivationL( MGlxMediaList* aList );

    55      

    56     /*

    57      * Sets the toolbar status on every attribute available callback. 

    58      * If attributes not available, but there are items, then this call is forced

    59      * by SetStatusOnViewActivationL from MediaListViewBase

    60      * @param aList Pointer og MGlxMediaList

    61      */

    62     void SetStatusL( MGlxMediaList* aList );

    63   

    64     /*

    65      * Destructor

    66      */

    67     ~CGlxToolbarController();

    68    

    69 public: //From MGlxMediaListObserver  

    70     void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);

    71     void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);

    72     void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);

    73     void HandleItemModifiedL(const RArray<TInt>& aItemIndexes, MGlxMediaList* aList);

    74     void HandleAttributesAvailableL(TInt aItemIndex, const RArray<TMPXAttribute>& aAttributes,

    75             MGlxMediaList* aList);

    76     void HandleFocusChangedL(NGlxListDefs::TFocusChangeType aType, TInt aNewIndex, 

    77             TInt aOldIndex, MGlxMediaList* aList);

    78     void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList);

    79     void HandleMessageL(const CMPXMessage& aMessage, MGlxMediaList* aList);

    80     

    81 private:

    82     /*

    83      * Default Constructor

    84      */

    85     CGlxToolbarController();

    86     

    87     /* Enables or disables latching on the toolbar button.

    88      * Used in Marking mode.

    89      * @param aCommandId The Command on toolbar that needs to be latched/unlatched.

    90      * aLatched ETrue if the command button needs to be latched. 

    91      */

    92     void EnableLatch( TInt aCommandId, TInt aLatched );

    93             

    94    /*

    95 	* check the current view

    96 	*/

    97 	TBool IsFullScreenView();       

    98 private:    

    99     CAknToolbar* iToolbar;

   100     TBool iAttributeAvailable;

   101     };

   102 

   103 #endif /*GLXTOOLBARCONTROLLER_H*/

   104 

   105