1 /*

     2 * Copyright (c) 2007 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:  Video quality feature.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_VTUIVIDEOQUALITY_H

    20 #define C_VTUIVIDEOQUALITY_H

    21 

    22 #include    <gulicon.h>

    23 #include    "cvtuifeaturebase.h"

    24 #include    "mvtuicomponent.h"

    25 #include    "tvtuicomponentstate.h"

    26 #include    "videotelui.hrh"

    27 

    28 /**

    29 *  TVtUiVideoQualityComponentState

    30 *

    31 * Video quality componentstate definition.

    32 *

    33 *  @since S60 v3.2

    34 */

    35 class TVtUiVideoQualityComponentState : public TVtUiComponentState

    36     {

    37 

    38 public:

    39 

    40     /**

    41     * Constructor

    42     * @param aComponent Reference to component.

    43     */

    44     TVtUiVideoQualityComponentState( MVtUiComponent& aComponent );

    45     

    46     };

    47 

    48 /**

    49 *  CVtUiVideoQuality

    50 *

    51 *  Video quality UI feature definition.

    52 *

    53 *  @since S60 v3.2

    54 */

    55 class CVtUiVideoQuality : public CVtUiFeatureBase,

    56     public MVtUiComponent

    57     {

    58 

    59 public:

    60 

    61     /**

    62     * Static constructor

    63     * @param aFeatureManager Reference to feature manager.

    64     */

    65     static CVtUiVideoQuality* NewL( CVtUiFeatureManager& aFeatureManager );

    66 

    67     /**

    68     * Destructor

    69     */

    70     ~CVtUiVideoQuality();

    71 

    72 public: // from MVtUiFeature

    73 

    74     /** 

    75     * @see MVtUiFeature::StartL

    76     */

    77     void StartL();

    78 

    79     /** 

    80     * @see MVtUiFeature::Stop 

    81     */

    82     void Stop();

    83     

    84     /** 

    85     * @see MVtUiFeature::InitFeatureL

    86     */

    87     void InitFeatureL();

    88 

    89 public: // from MVtUiComponent

    90 

    91     /**

    92     * @see MVtUiComponent::ComponentId

    93     */

    94     MVtUiComponent::TComponentId ComponentId() const;

    95 

    96     /**

    97     * @see MVtUiComponent::ComponentAsControl

    98     */

    99     CCoeControl* ComponentAsControl();

   100 

   101     /**

   102     * @see MVtUiComponent::DoActivateL

   103     */

   104     void DoActivateL();

   105 

   106     /**

   107     * @see MVtUiComponent::DoDeactivateL

   108     */

   109     void DoDeactivateL();

   110 

   111 private:

   112     

   113     // Creates icons for list

   114     CGulIcon* CreateIconLC( TVtUiBitmapId aIconId, TVtUiBitmapId aMaskId );

   115 

   116     // Shows the selection list

   117     void ShowSelectionListL();

   118     

   119     // Async the selection list

   120     static TInt AsyncShowSelectionList( TAny* aPtr );

   121     

   122     // Reads items from source to target array and updates the selection icon

   123     // if needed.

   124     void SetItemsL( CDesCArray& aTarget,const CDesCArray& aSource );

   125     

   126     // Return curretly active item.

   127     TInt ActiveItem() const;

   128     

   129     // Item selected, adjust video quality.

   130     void ItemSelectedL( TInt aItemIndex );

   131     

   132 private:

   133 

   134     /**

   135     * Constructor

   136     */

   137     CVtUiVideoQuality( CVtUiFeatureManager& aFeatureManager );

   138 

   139     /**

   140     * 2nd constructor

   141     */

   142     void ConstructL();

   143     

   144     /**

   145     * Callback function that stops the feature.

   146     * @param aAny pointer to an instance of the class.

   147     * @return always KErrNone.

   148     */

   149     static TInt DoStop( TAny* aAny );

   150 

   151 private:

   152 

   153     // Component state

   154     TVtUiVideoQualityComponentState iComponentState;

   155     

   156     // Async callback for selection list

   157     CAsyncCallBack* iShowSelectionListCallback;

   158     };

   159 

   160 #endif // CVTUIVIDEOQUALITY_H