uifw/AvKon/aknhlist/src/akntreelisticon.cpp
changeset 0 2f259fa3e83a
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     1 /*
       
     2 * Copyright (c) 2006, 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:  Implementation for CAknTreeListIcon class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <AknsUtils.h>
       
    20 #include <AknIconUtils.h>
       
    21 
       
    22 #include "akntreelisticon.h"
       
    23 
       
    24 // Flag definitions.
       
    25 enum TAknTreeListIconFlags
       
    26     {
       
    27     EFlagColored, // Icon is color skinned.
       
    28     EFlagReloadable, // Parameters for reloading the icon are stored in class.
       
    29     EFlagBitmapsOwnedExternally
       
    30     };
       
    31 
       
    32 
       
    33 // ======== MEMBER FUNCTIONS ========
       
    34 
       
    35 // ---------------------------------------------------------------------------
       
    36 // Two-phased constructor.
       
    37 // ---------------------------------------------------------------------------
       
    38 //
       
    39 CAknTreeListIcon* CAknTreeListIcon::NewLC( TInt aIconId, const TAknsItemID& aId,
       
    40     const TDesC& aFilename, TInt aBitmapId, TInt aMaskId,
       
    41     TScaleMode aScaleMode )
       
    42     {
       
    43     CAknTreeListIcon* self = new ( ELeave ) CAknTreeListIcon( aIconId, aId,
       
    44         aBitmapId, aMaskId, aScaleMode );
       
    45     CleanupStack::PushL( self );
       
    46     self->ConstructL( aFilename );
       
    47     return self;
       
    48     }
       
    49 
       
    50 
       
    51 // ---------------------------------------------------------------------------
       
    52 // Two-phased constructor.
       
    53 // ---------------------------------------------------------------------------
       
    54 //
       
    55 CAknTreeListIcon* CAknTreeListIcon::NewLC( TInt aIconId, CFbsBitmap* aIcon,
       
    56     CFbsBitmap* aMask, TBool aTransferOwnership, TScaleMode aScaleMode )
       
    57     {
       
    58     CAknTreeListIcon* self = new ( ELeave ) CAknTreeListIcon( aIconId,
       
    59         aIcon, aMask, aTransferOwnership, aScaleMode );
       
    60     CleanupStack::PushL( self );
       
    61     return self;
       
    62     }
       
    63 
       
    64 
       
    65 // ---------------------------------------------------------------------------
       
    66 // Two-phased constructor.
       
    67 // ---------------------------------------------------------------------------
       
    68 //
       
    69 CAknTreeListIcon* CAknTreeListIcon::NewLC( TInt aIconId, const TAknsItemID& aId,
       
    70     const TAknsItemID& aColorId, TInt aColorIndex, const TDesC& aFilename,
       
    71     TInt aBitmapId, TInt aMaskId, TRgb aDefaultColor, TScaleMode aScaleMode )
       
    72     {
       
    73     CAknTreeListIcon* self = new ( ELeave ) CAknTreeListIcon( aIconId, aId,
       
    74         aColorId, aColorIndex, aBitmapId, aMaskId, aDefaultColor, aScaleMode );
       
    75     CleanupStack::PushL( self );
       
    76     self->ConstructL( aFilename );
       
    77     return self;
       
    78     }
       
    79 
       
    80 
       
    81 // ---------------------------------------------------------------------------
       
    82 // Destructor.
       
    83 // ---------------------------------------------------------------------------
       
    84 //
       
    85 CAknTreeListIcon::~CAknTreeListIcon()
       
    86     {
       
    87     delete iFilename;
       
    88 
       
    89     if ( iFlags.IsClear( EFlagBitmapsOwnedExternally ) )
       
    90         {
       
    91         delete iBitmap;
       
    92         delete iMask;
       
    93         }
       
    94 
       
    95     iBitmap = NULL;
       
    96     iMask = NULL;
       
    97     }
       
    98 
       
    99 
       
   100 // ---------------------------------------------------------------------------
       
   101 // Compares given two tree list icons.
       
   102 // ---------------------------------------------------------------------------
       
   103 //
       
   104 TInt CAknTreeListIcon::Compare( const CAknTreeListIcon& aFirst,
       
   105     const CAknTreeListIcon& aSecond )
       
   106     {
       
   107     TInt id = aFirst.Id();
       
   108     return CompareId( &id, aSecond );
       
   109     }
       
   110 
       
   111 
       
   112 // ---------------------------------------------------------------------------
       
   113 // Compares icon ID with the one in given tree list icons.
       
   114 // ---------------------------------------------------------------------------
       
   115 //
       
   116 TInt CAknTreeListIcon::CompareId( const TInt* aIconId,
       
   117     const CAknTreeListIcon& aIcon )
       
   118     {
       
   119     TInt value = NULL;
       
   120     TInt id1 = *aIconId;
       
   121     TInt id2 = aIcon.Id();
       
   122 
       
   123     if ( id1 < id2 )
       
   124         {
       
   125         value = -1;
       
   126         }
       
   127     else if ( id1 > id2 )
       
   128         {
       
   129         value = 1;
       
   130         }
       
   131 
       
   132     return value;
       
   133     }
       
   134 
       
   135 
       
   136 // ---------------------------------------------------------------------------
       
   137 // Reconstructs the bitmap and mask for the icon.
       
   138 // ---------------------------------------------------------------------------
       
   139 //
       
   140 void CAknTreeListIcon::ReconstructL()
       
   141     {
       
   142     if ( iFlags.IsSet( EFlagReloadable ) )
       
   143         {
       
   144         CFbsBitmap* bitmap = NULL;
       
   145         CFbsBitmap* mask = NULL;
       
   146 
       
   147         MAknsSkinInstance* skin = AknsUtils::SkinInstance();
       
   148         if ( iFlags.IsSet( EFlagColored ) )
       
   149             {
       
   150             AknsUtils::CreateColorIconL( skin, iId, iColorId, iColorIndex,
       
   151                 bitmap, mask, *iFilename, iBitmapId, iMaskId, iDefaultColor,
       
   152                 iSize, iScaleMode );
       
   153             }
       
   154         else
       
   155             {
       
   156             AknsUtils::CreateIconL( skin, iId, bitmap, mask, *iFilename,
       
   157                 iBitmapId, iMaskId );
       
   158             AknIconUtils::SetSize( bitmap, iSize, iScaleMode );
       
   159             }
       
   160 
       
   161         delete iBitmap;
       
   162         iBitmap = bitmap;
       
   163 
       
   164         delete iMask;
       
   165         iMask = mask;
       
   166         }
       
   167     }
       
   168 
       
   169 
       
   170 // ---------------------------------------------------------------------------
       
   171 // Returns the ID assigned for the tree list icon.
       
   172 // ---------------------------------------------------------------------------
       
   173 //
       
   174 TInt CAknTreeListIcon::Id() const
       
   175     {
       
   176     return iIconId;
       
   177     }
       
   178 
       
   179 
       
   180 // ---------------------------------------------------------------------------
       
   181 // Returns the icon's skin item ID.
       
   182 // ---------------------------------------------------------------------------
       
   183 //
       
   184 const TAknsItemID& CAknTreeListIcon::SkinItemID() const
       
   185     {
       
   186     return iId;
       
   187     }
       
   188 
       
   189 
       
   190 // ---------------------------------------------------------------------------
       
   191 // Returns pointer to the bitmap.
       
   192 // ---------------------------------------------------------------------------
       
   193 //
       
   194 CFbsBitmap* CAknTreeListIcon::Bitmap()
       
   195     {
       
   196     return iBitmap;
       
   197     }
       
   198 
       
   199 
       
   200 // ---------------------------------------------------------------------------
       
   201 // Returns pointer to the mask.
       
   202 // ---------------------------------------------------------------------------
       
   203 //
       
   204 CFbsBitmap* CAknTreeListIcon::Mask()
       
   205     {
       
   206     return iMask;
       
   207     }
       
   208 
       
   209 
       
   210 // ---------------------------------------------------------------------------
       
   211 // Returns the icon's size.
       
   212 // ---------------------------------------------------------------------------
       
   213 //
       
   214 TSize CAknTreeListIcon::Size() const
       
   215     {
       
   216     return iSize;
       
   217     }
       
   218 
       
   219 
       
   220 // ---------------------------------------------------------------------------
       
   221 // Returns the icon's scale mode.
       
   222 // ---------------------------------------------------------------------------
       
   223 //
       
   224 TScaleMode CAknTreeListIcon::ScaleMode() const
       
   225     {
       
   226     return iScaleMode;
       
   227     }
       
   228 
       
   229 
       
   230 // ---------------------------------------------------------------------------
       
   231 // Sets new icon size and scale mode.
       
   232 // ---------------------------------------------------------------------------
       
   233 //
       
   234 TInt CAknTreeListIcon::SetSize( const TSize& aSize )
       
   235     {
       
   236     TInt error = KErrNone;
       
   237     if ( iSize != aSize )
       
   238         {
       
   239         iSize = aSize;
       
   240         error = AknIconUtils::SetSize( iBitmap, iSize, iScaleMode );
       
   241         }
       
   242     return error;
       
   243     }
       
   244 
       
   245 
       
   246 // ---------------------------------------------------------------------------
       
   247 // C++ constructor.
       
   248 // ---------------------------------------------------------------------------
       
   249 //
       
   250 CAknTreeListIcon::CAknTreeListIcon( TInt aIconId, const TAknsItemID& aId,
       
   251     TInt aBitmapId, TInt aMaskId, TScaleMode aScaleMode )
       
   252     : iIconId( aIconId ),
       
   253       iId( aId ),
       
   254       iBitmapId( aBitmapId ),
       
   255       iMaskId( aMaskId ),
       
   256       iScaleMode( aScaleMode )
       
   257     {
       
   258     iFlags.Set( EFlagReloadable );
       
   259     }
       
   260 
       
   261 
       
   262 // ---------------------------------------------------------------------------
       
   263 // C++ constructor.
       
   264 // ---------------------------------------------------------------------------
       
   265 //
       
   266 CAknTreeListIcon::CAknTreeListIcon( TInt aIconId, CFbsBitmap* aIcon,
       
   267     CFbsBitmap* aMask, TBool aTransferOwnership, TScaleMode aScaleMode )
       
   268     : iIconId( aIconId ),
       
   269       iId( KAknsIIDNone ),
       
   270       iBitmap( aIcon ),
       
   271       iMask( aMask ),
       
   272       iScaleMode( aScaleMode )
       
   273     {
       
   274     iFlags.Assign( EFlagBitmapsOwnedExternally, !aTransferOwnership );
       
   275     }
       
   276 
       
   277 
       
   278 // ---------------------------------------------------------------------------
       
   279 // C++ constructor.
       
   280 // ---------------------------------------------------------------------------
       
   281 //
       
   282 CAknTreeListIcon::CAknTreeListIcon( TInt aIconId, const TAknsItemID& aId,
       
   283     const TAknsItemID& aColorId, TInt aColorIndex, TInt aBitmapId,
       
   284     TInt aMaskId, TRgb aDefaultColor, TScaleMode aScaleMode )
       
   285     : iIconId( aIconId ),
       
   286       iId( aId ),
       
   287       iColorId( aColorId ),
       
   288       iColorIndex( aColorIndex ),
       
   289       iBitmapId( aBitmapId ),
       
   290       iMaskId( aMaskId ),
       
   291       iDefaultColor( aDefaultColor ),
       
   292       iScaleMode( aScaleMode )
       
   293     {
       
   294     iFlags.Set( EFlagReloadable );
       
   295     iFlags.Set( EFlagColored );
       
   296     }
       
   297 
       
   298 
       
   299 // ---------------------------------------------------------------------------
       
   300 // Second phase constructor.
       
   301 // ---------------------------------------------------------------------------
       
   302 //
       
   303 void CAknTreeListIcon::ConstructL( const TDesC& aFilename )
       
   304     {
       
   305     iFilename = aFilename.AllocL();
       
   306     MAknsSkinInstance* skin = AknsUtils::SkinInstance();
       
   307     if ( iFlags.IsSet( EFlagColored ) )
       
   308         {
       
   309         AknsUtils::CreateColorIconL( skin, iId, iColorId, iColorIndex,
       
   310             iBitmap, iMask, *iFilename, iBitmapId, iMaskId, iDefaultColor );
       
   311         }
       
   312     else
       
   313         {
       
   314         AknsUtils::CreateIconL( skin, iId, iBitmap, iMask, *iFilename,
       
   315             iBitmapId, iMaskId );
       
   316         }
       
   317     }
       
   318