phoneuis/BubbleManager/Inc/BMTouchPaneButton.h
branchRCL_3
changeset 62 5266b1f337bd
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61:41a7f70b3818 62:5266b1f337bd
       
     1 /*
       
     2 * Copyright (c) 2006-2008 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 "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:  Button for touch pane.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef BMTOUCHPANEBUTTON_H_
       
    20 #define BMTOUCHPANEBUTTON_H_
       
    21 
       
    22 #include <aknbutton.h>
       
    23 
       
    24 class MBubbleTouchPaneIconProvider;
       
    25 
       
    26 /**
       
    27  *  Contains touch button data.
       
    28  *  
       
    29  *  @code
       
    30  *   CBubbleTouchPaneButton* button = CBubbleTouchPaneButton::NewL( 
       
    31  *                                     iIconProvider);
       
    32  *   CleanupStack::PushL( button );
       
    33  *   button->ConstructFromResouceL( reader ); 
       
    34  *       
       
    35  *   CleanupStack::Pop( button );
       
    36  *   CleanupStack::PopAndDestroy(); // reader
       
    37  *       
       
    38  *   button->SetContainerWindowL( *this );
       
    39  *   button->SetObserver( this );    
       
    40  *   button->ActivateL();
       
    41  *  @endcode
       
    42  *
       
    43  *  @lib bubblemanager.lib
       
    44  *  @since S60 S60 v5.0
       
    45  */
       
    46 
       
    47 NONSHARABLE_CLASS( CBubbleTouchPaneButton ) : public CAknButton
       
    48     {
       
    49     public:
       
    50         /**
       
    51          * Two-phased constructor.
       
    52          * @param aIconProvider the pointer to the icon provider
       
    53          * @param aFlags The flags for the button
       
    54          */
       
    55         static CBubbleTouchPaneButton* NewL
       
    56                     ( MBubbleTouchPaneIconProvider* aIconProvider,
       
    57                       const TInt aFlags = 0 ); 
       
    58         
       
    59        
       
    60 
       
    61         /**
       
    62         * Destructor.
       
    63         */
       
    64         ~CBubbleTouchPaneButton();
       
    65     
       
    66     public:
       
    67         /**
       
    68          * Returns command id of the button
       
    69          *
       
    70          * @since S60 ?S60_version
       
    71          * @param aPreviousState ?description
       
    72          */
       
    73         TInt CommandId( TBool aPreviousState = EFalse ) const;
       
    74         
       
    75         /**
       
    76          * Checks does the button has the given command. 
       
    77          *
       
    78          * @since S60 v5.0
       
    79          * @param aCommand the command 
       
    80          * @return The ETrue if command can be found from iCommands array
       
    81          */
       
    82         TBool HasState( TInt aCommand ) const;
       
    83         
       
    84         /**
       
    85          * Constructs controls from a resource file.
       
    86          *
       
    87          * @param aReader The resource reader, with which to access the 
       
    88          *      control's resource values.
       
    89          */      
       
    90         void ConstructFromResouceL( TResourceReader& aReader );
       
    91         
       
    92         /**
       
    93          * Sets the current state of the button.
       
    94          *
       
    95          * @since S60 v5.0
       
    96          * @param aCommand the command
       
    97          * @param aDrawNow ETrue to redraw the button.
       
    98          */
       
    99         void SetState( TInt aCommand, TBool aDrawNow );
       
   100         
       
   101         /**
       
   102          * Sets button dimmed.
       
   103          *
       
   104          * @since S60 v5.0
       
   105          * @param ?arg1 ?description
       
   106          */
       
   107         void SetDimmed( TBool aDimmed );
       
   108         
       
   109         /**
       
   110          * Handles a change to the control's resources.
       
   111          *
       
   112          * @param aType is a message UID value.
       
   113          */
       
   114         void HandleResourceChange( TInt aType );
       
   115         
       
   116         /**
       
   117          * Sets layout text and icon rectanble of the button. 
       
   118          *
       
   119          * @param aLayoutText the layout text
       
   120          * @param aIconRect the rectangle of the button
       
   121          */
       
   122         void SetLayout( const TAknLayoutText aLayoutText,
       
   123                         const TRect aIconRect);
       
   124         
       
   125         /**
       
   126          * Sets correct graphics frame for button. 
       
   127          *
       
   128          * @param frameId the button which is pressed
       
   129          */
       
   130          TAknsItemID SelectPressedButton( TAknsItemID frameId )const; 
       
   131     
       
   132         /**
       
   133          * Sets correct graphics frame for button. 
       
   134          *
       
   135          * @param frameId the button which is dimmed
       
   136          */
       
   137          TAknsItemID SelectDimmedButton( TAknsItemID frameId )const; 
       
   138     protected:
       
   139         
       
   140         /**
       
   141          * C++ constructor for the one state button.
       
   142          *
       
   143          * @param aIconProvider the pointer to the icon provider
       
   144          * @param aFlags The flags for the button
       
   145          */
       
   146         CBubbleTouchPaneButton( 
       
   147                    MBubbleTouchPaneIconProvider* aIconProvider,
       
   148                    const TInt aFlags );
       
   149         
       
   150     protected: 
       
   151         //from base class CCoeControl
       
   152         /**
       
   153          * From CCoeControl. 
       
   154          * Draws the control. Called by window server.
       
   155         */
       
   156         void Draw(const TRect& aRect) const;
       
   157         
       
   158     private:
       
   159         /**
       
   160          * Symbian 2nd phase constructor.
       
   161          */
       
   162         void ConstructL();
       
   163         
       
   164         /**
       
   165          * Loads icons using the given icon provider
       
   166          * 
       
   167          * @param aIconProvider the icon provider
       
   168          */
       
   169         void LoadCustomIcons( MBubbleTouchPaneIconProvider& aIconProvider );
       
   170               
       
   171         /**
       
   172          * Draw text and icon according to the layout.
       
   173          * 
       
   174          * @param aGc the window graphics context
       
   175          */ 
       
   176         void LayoutIconAndText( CWindowGc& aGc ) const;
       
   177         
       
   178         /**
       
   179          * Gets the correct text color.
       
   180          * 
       
   181          * @param aPenColor the RGB colour value
       
   182          */
       
   183         void GetTextColors( TRgb& aPenColor ) const; 
       
   184         
       
   185         /**
       
   186          * Selects the correct text color.
       
   187          */
       
   188         void SelectTextColor(); 
       
   189         
       
   190     private: // data
       
   191         /**
       
   192          * Array of the button commands.
       
   193          */
       
   194         RArray<TInt> iCommands;
       
   195        
       
   196         /**
       
   197          * Touch pane icon provider.
       
   198          * Not own.
       
   199          */
       
   200         MBubbleTouchPaneIconProvider* iIconProvider;
       
   201         
       
   202         /**
       
   203          * Layout text
       
   204          */
       
   205         TAknLayoutText iLayoutText;
       
   206         
       
   207         /**
       
   208          * Rectangle of the icon of the button.
       
   209          */
       
   210         TRect iIconRect;
       
   211     };
       
   212 
       
   213 #endif /*BMTOUCHPANEBUTTON_H_*/