photosgallery/viewframework/uiutilities/src/glxanimationimageloading.cpp
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     1 /*
       
     2 * Copyright (c) 2008-2009 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:    Image loading animation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #include "glxanimationimageloading.h"
       
    23 
       
    24 #include <alf/alfvisual.h>
       
    25 #include <alf/alfimage.h>
       
    26 #include <alf/alftexture.h>
       
    27 #include <alf/alfimagebrush.h>
       
    28 #include <alf/alfbrusharray.h>
       
    29 
       
    30 #include "glxuiutility.h"
       
    31 
       
    32 // -----------------------------------------------------------------------------
       
    33 // NewL
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 CGlxAnimationImageLoading* CGlxAnimationImageLoading::NewL( 
       
    37         CAlfVisual& aVisual, 
       
    38         CAlfTexture& aFlashTexture)
       
    39     {
       
    40     CGlxAnimationImageLoading* self = new (ELeave) CGlxAnimationImageLoading(aVisual, aFlashTexture);
       
    41     CleanupStack::PushL(self);
       
    42     self->ConstructL();
       
    43     CleanupStack::Pop(self);
       
    44     return self;
       
    45     }
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // Constructor
       
    49 // -----------------------------------------------------------------------------
       
    50 //
       
    51 CGlxAnimationImageLoading::CGlxAnimationImageLoading(CAlfVisual& aVisual, 
       
    52         CAlfTexture& aFlashTexture)
       
    53 :   iVisual(aVisual),
       
    54     iFlashTexture(aFlashTexture)
       
    55     {
       
    56     }
       
    57 
       
    58 // -----------------------------------------------------------------------------
       
    59 // ConstructL
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 void CGlxAnimationImageLoading::ConstructL()
       
    63     {
       
    64     
       
    65     // Create brush
       
    66     CGlxUiUtility* utility = CGlxUiUtility::UtilityL();
       
    67     CleanupClosePushL(*utility);
       
    68     
       
    69     // Rowland 30/10/07 Now need to get the environment
       
    70     CAlfEnv* env = utility->Env();
       
    71     
       
    72     TAlfImage img(iFlashTexture);
       
    73     
       
    74     iImageBrush = CAlfImageBrush::NewL(*env, img);
       
    75     
       
    76     CleanupStack::PopAndDestroy(utility);
       
    77     
       
    78     iImageBrush->SetLayer(EAlfBrushLayerForeground);
       
    79     iImageBrush->SetBorders(1,1,1,1);
       
    80     /// @todo check is this is correct? Rowland 30/10/07 SetClipToVisual is no longer defined
       
    81     //iImageBrush->SetClipToVisual(ETrue);
       
    82     iImageBrush->SetScaleMode(CAlfImageVisual::EScaleFit);
       
    83     }
       
    84 
       
    85 // -----------------------------------------------------------------------------
       
    86 // Destructor
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 CGlxAnimationImageLoading::~CGlxAnimationImageLoading()
       
    90     {
       
    91     }
       
    92     
       
    93 // -----------------------------------------------------------------------------
       
    94 // StartTimedAnimationL
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 void CGlxAnimationImageLoading::StartTimedAnimationL( TInt aTime )
       
    98     {
       
    99     iVisual.EnableBrushesL();
       
   100     iVisual.Brushes()->AppendL(iImageBrush, EAlfHasOwnership);
       
   101     TAlfTimedValue opacity;
       
   102     opacity.SetValueNow( 1.0 ); // immediate change
       
   103     opacity.SetTarget(0.0, aTime ); // target
       
   104     iImageBrush->SetOpacity(opacity);
       
   105     }
       
   106     
       
   107