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:  Base class for video preference setting list.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_VTUIPEFSETTINGLISTBASE_H

    20 #define C_VTUIPEFSETTINGLISTBASE_H

    21 

    22 #include    <AknTransparentCameraSettingPage.h>

    23 #include    "mvtuicommandui.h"

    24 #include    "cvtuifeaturebase.h"

    25 #include    "mvtuicomponent.h"

    26 #include    "tvtuicomponentstate.h"

    27 #include    "tvtuifeatureids.h"

    28 #include    "mvtuisettingpageobserver.h"

    29 

    30 class CVtUiAppUi;

    31 class CVtUiTransparentSettingPage;

    32 class MVtEngCameraPreferences;

    33 

    34 /**

    35 *  CVtUiPrefSettingListBase

    36 *

    37 *  Base class for color tone and white balance

    38 *

    39 *  @since S60 v3.2

    40 */

    41 class CVtUiPrefSettingListBase : public CVtUiFeatureBase,

    42     public MAknSettingPageObserver, MVtUiSettingPageObserver

    43     {

    44 

    45 public:

    46 

    47     /**

    48     * Destructor

    49     */

    50     ~CVtUiPrefSettingListBase();

    51     

    52     /**

    53     * has pending settingpange changed cmd cause camera cover switched.

    54     */

    55     TBool IsPendingCmd();

    56     

    57     /**

    58     * handle pending settingpange command

    59     */

    60     void HandlePendingCmdL();

    61 

    62 public: // from MVtUiFeature

    63 

    64     /** 

    65     * @see MVtUiFeature::Stop 

    66     */

    67     virtual void Stop() = 0;

    68     

    69     /** 

    70     * @see MVtUiFeature::InitFeatureL

    71     */

    72     virtual void InitFeatureL();

    73 

    74 protected: // from MAknSettingPageObserver

    75     

    76     /** 

    77     * @see MAknSettingPageObserver::HandleSettingPageEventL 

    78     */

    79     void HandleSettingPageEventL(

    80         CAknSettingPage* aSettingPage,

    81         TAknSettingPageEvent aEventType );    

    82 

    83 protected: // from MVtUiSettingPageObserver

    84     

    85     /** 

    86     * @see MVtUiSettingPageObserver::ListStateChangedL

    87     */

    88     void ListStateChangedL();

    89 

    90 protected:

    91      

    92      // Gets currently selected list item

    93      virtual TInt CurrentSelection() = 0;

    94      

    95      // Set items to setting page

    96      virtual void SetItemsL( CDesCArray& aArray ) = 0;

    97      

    98      // Gets resource id for selection list

    99      virtual TInt SettingPageResId() const = 0;

   100      

   101      // This function gets called when focus is moved

   102      // to new item in the settin page list

   103      virtual void SettingPageItemChangedL( TInt aIndex ) = 0;

   104      

   105      // Start function calls this

   106      void StartSettingPageL();

   107      

   108      // Stop function calls this

   109      void StopSettingPageL();

   110      

   111 public: // from CCoeControl

   112     

   113     /* 

   114     * @see CCoeControl::SizeChanged

   115     */

   116     void SizeChanged();

   117     

   118 public:  

   119  

   120     /** 

   121     * Updates setting pages background bitmap

   122     * @param aFrame Bitmap for setting page's backgound.

   123     */

   124     void UpdateBackground( CFbsBitmap* aFrame );

   125     

   126     /** 

   127     * Updates setting value

   128     * E.g disabling video will reset camera settings. and 

   129     * after enabling video camera setting value needs to be restored.

   130     */

   131     void UpdateSettingL();

   132 

   133 protected:

   134 

   135     /**

   136      * Constructor

   137      */

   138     CVtUiPrefSettingListBase( CVtUiFeatureManager& aFeatureManager,

   139         TVtUiFeatureId aFeatureId );

   140 

   141      /**

   142      * 2nd constructor

   143      */

   144     void ConstructL();

   145 

   146     // Reads item from resource and appends it to the array

   147     void ReadAndAppendItemL( CDesCArray& aItems, TInt aResId );

   148 

   149 private:

   150     

   151     // Does the initialisation of the setting page

   152     void CreateSettingPageL();

   153     

   154     // Resizes backround bitmap

   155     void ResizeBackroundBitmapRect( );

   156     

   157     // Sort controls window position

   158     void SortControlsWindowPoistion();

   159 

   160 protected:    

   161     

   162     // Pointer to camera preferences

   163     MVtEngCameraPreferences* iCameraPref;

   164     

   165     // The original value (which was active when the

   166     // setting page was launched)

   167     TInt iOriginalSelection;

   168     

   169     // Supported color tone or white balance modes

   170     TUint32 iSupportedModes;

   171     

   172     // Contains currenltly supported items in setting page

   173     RArray< TInt> iActiveItems;

   174             

   175     // whether or not has a pending command

   176     TBool iPendingSettingChangeCmd;

   177 

   178 private:

   179     

   180     // Owned setting page instance

   181     CVtUiTransparentSettingPage* iSettingPage;

   182     

   183     // Background bitmap for  setting page

   184     CFbsBitmap* iViewfinderBitmap;

   185 

   186     // Currently focused value 

   187     TInt iCurrentSelection;

   188     

   189     // Position of bitmap's top left corner

   190     TPoint iBitmapTopLeftCorner;

   191     

   192     // Background bitmap's clip rect

   193     TRect iBitmapClippingRect;

   194     

   195     // Reference to appui

   196     CVtUiAppUi& iAppUi;

   197     };

   198 

   199 #endif // CVTUIPEFSETTINGLISTBASE_H