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 the License "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:    HG VOD service view functionality implementation*

    15 */

    16 

    17 

    18 // Version : %version: 5 %

    19 

    20 #ifndef VCXHGVODSERVICELISTIMPL_H

    21 #define VCXHGVODSERVICELISTIMPL_H

    22 

    23 #include "vcxhgvodlistimplbase.h"

    24 #include "vcxhgvodmainviewcontainer.h"

    25 

    26 class CHgScroller;

    27 class CVcxHgVodMainView;

    28 class CVcxHgVodMainViewContainer;

    29 class CVcxHgVodServiceListModelHandler;

    30 class CVcxNsUiEngine;

    31 

    32 

    33 // CLASS DECLARATION

    34 /**

    35  *  Service list implementation

    36  *  This class handles service view list functionality.

    37  *

    38  *  @code

    39  *   

    40  *  @endcode

    41  *

    42  *  @lib vcxhgvodui.lib

    43  *  @since S60 v5.0

    44  */

    45 class CVcxHgVodServiceListImpl : public CVcxHgVodListImplBase 

    46     {

    47 

    48 public:

    49 

    50     /**

    51      * Two-phased constructor.

    52      * @param aScroller UI component responsible of drawing the information

    53      * @param aDataProviderIf Reference to UI engine

    54      * @param aView Reference to main view

    55      * @return Pointer to newly created instance

    56      */

    57     static CVcxHgVodServiceListImpl* NewL(

    58             CHgScroller& aScroller, 

    59             CVcxNsUiEngine& aDataProviderIf,

    60             CVcxHgVodMainView& aView );

    61     

    62     /**

    63      * Two-phased constructor.

    64      * @param aScroller UI component responsible of drawing the information

    65      * @param aDataProviderIf Reference to UI engine

    66      * @param aView Reference to main view

    67      * @return Pointer to newly created instance

    68      */

    69     static CVcxHgVodServiceListImpl* NewLC( 

    70             CHgScroller& aScroller, 

    71             CVcxNsUiEngine& aDataProviderIf,

    72             CVcxHgVodMainView& aView );

    73 

    74     /**

    75     * Destructor.

    76     */

    77     virtual ~CVcxHgVodServiceListImpl();

    78 

    79     /**

    80      * Activate menu pane items before displaying menu

    81      * 

    82      * @param aMenuPane Pointer to menu pane

    83      *

    84      */

    85     void ActivateMenuPaneItemsL( CEikMenuPane* aMenuPane, TInt aResourceId );

    86     

    87 public: //From CVcxHgVodListImplBase

    88     

    89     /**

    90      * Handle user command

    91      * @param aCommand Command to handle

    92      */

    93     void HandleCommandL( TInt aCommand );

    94     

    95     /**

    96     * Activate model

    97     * 

    98     */

    99     void DoActivateL();

   100     

   101     /**

   102     * Deactivate model

   103     * 

   104     */

   105     void DoDeactivate();

   106     

   107     /**

   108     * HandleKeyEventL 

   109     */

   110     TKeyResponse HandleKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

   111     

   112     /**

   113      * Handles item opening. 

   114      */

   115     void HandleOpenL( TInt aIndex );

   116     

   117     /**

   118      * Handles selection changes.

   119      */

   120     void HandleSelectL( TInt aIndex );

   121 

   122     /**

   123     * CheckSoftkeysL 

   124     */

   125     void CheckSoftkeysL();

   126 

   127     /**

   128     * Get help context.

   129     *

   130     * @param aContext context

   131     */

   132     void GetHelpContext( TCoeHelpContext& aContext ) const;

   133 

   134     /**

   135      * Update title pane text for services view.

   136      */

   137     void UpdateTitlePaneL();

   138 

   139 

   140 public:

   141     

   142     /**

   143      * Refresh view contents 

   144      *

   145      */

   146     void Refresh();

   147     

   148 private:    

   149     

   150     /**

   151      * Default constructor

   152      * @param aListWidget List widget

   153      * @param aView Main view

   154      */

   155     CVcxHgVodServiceListImpl( CHgScroller& aScroller,

   156                               CVcxNsUiEngine& aDataProviderIf,

   157                               CVcxHgVodMainView& aView );

   158 

   159     /**

   160      * 

   161      * @param aDataProviderIf

   162      * @param aAlfEnv

   163      */

   164     void ConstructL( CVcxNsUiEngine& aDataProviderIf );

   165     

   166     /**

   167      * Check if list item is removable.

   168      * @param aIndex

   169      * @return ETrue if feed can be removed,

   170      * otherwise EFalse

   171      */

   172     TBool FeedRemovable( TInt aIndex ); 

   173     

   174     /**

   175      * Remove feed if user accepts.

   176      * @param aIndex Indexfrom where feed is removed

   177      *

   178      */

   179     void RemoveFeedL( TInt aIndex );

   180 

   181     /**

   182      * Check if some feed has been selected for moving

   183      * @return ETrue if move operation is unfinished,

   184      *         otherwise EFalse.

   185      */

   186     TBool IsMoving() const;

   187 

   188     /**

   189      * Start moving feed.

   190      */

   191     void StartMoveL();

   192 

   193     /**

   194      * Stop moving. Move item to selected index.

   195      * @param aSave ETrue if item is moved to new position in list

   196      *              EFalse if move operation is cancelled.

   197      */

   198     void StopMovingL( TBool aSave );

   199     

   200     /**

   201      * Check, is there any video services.

   202      * @return Is there any video services,

   203      *         ETrue if there's at least one.

   204      */

   205     TBool HasVideoServicesL();

   206 

   207 private: // data

   208 

   209     /**

   210      * List widget model handler

   211      * Own.

   212      */

   213     CVcxHgVodServiceListModelHandler* iModelHandler;

   214     

   215     /**

   216      * Flag that indicates is a service being moved.

   217      */

   218     TBool iMoving;

   219 

   220     /**

   221      * Source item index for move operation.

   222      */

   223     TInt iSource;

   224 

   225     /**

   226      * Target item index for move operation.

   227      */

   228     TInt iTarget;

   229     

   230     };

   231 

   232 #endif // VCXHGVODSERVICELISTIMPL_H