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:   Definition of CHuiCanvasAlfPainter.

    15 *

    16 */

    17 

    18 

    19 #include "uiacceltk/HuiCanvasVisual.h"

    20 #include "HuiRenderPlugin.h"

    21 #include "uiacceltk/HuiGc.h"

    22 #include "uiacceltk/HuiPanic.h"

    23 #include "uiacceltk/HuiUtil.h"

    24 #include "uiacceltk/HuiStatic.h"

    25 #include "uiacceltk/HuiEnv.h"

    26 #include "uiacceltk/HuiControl.h"

    27 #include "uiacceltk/HuiVisual.h"

    28 #include "uiacceltk/HuiTextMesh.h"

    29 #include "uiacceltk/HuiCanvasCmdBufferReader.h"

    30 #include "huicanvasgc.h"

    31 #include "HuiRenderSurface.h"

    32 #include "huicanvastexturecache.h"

    33 #include "huicanvasbackground.h"

    34 #include <graphics/wsgraphicscontext.h>

    35 #include <e32cmn.h>

    36 #include <AknLayoutFont.h>

    37 #include "huicanvaspainter.h"

    38 

    39 

    40 

    41 CHuiCanvasPainter::~CHuiCanvasPainter()

    42   	{

    43   	iCommandBuffers.Close();

    44    	delete iPartialCommandBuffer;

    45    	};

    46 

    47 void CHuiCanvasPainter::SetCommandSetL( const TDesC8& aCommands )

    48     {

    49     ClearCommandSet();

    50     AddCommandSetL(aCommands);

    51 	}

    52 

    53 void CHuiCanvasPainter::ClearCommandSet()

    54     {

    55 	TInt count = iCommandBuffers.Count();

    56     for (TInt i=0; i< count;i++)

    57         {

    58         delete iCommandBuffers[i];

    59         }

    60     iCommandBuffers.Reset();  

    61     }

    62 

    63 void CHuiCanvasPainter::AddCommandSetL( const TDesC8& aMoreCommands )

    64     {

    65 	HBufC8* commands = aMoreCommands.AllocL();    

    66     CleanupStack::PushL(commands);

    67 

    68     CHuiCanvasCommandBuffer* newBuffer = new(ELeave) CHuiCanvasCommandBuffer; 

    69     CleanupStack::PushL(newBuffer);

    70     newBuffer->iCommands = commands;

    71     if (iCanvasVisual && iCanvasVisual->Display())

    72         {

    73         newBuffer->iOrientation = iCanvasVisual->Display()->Orientation();

    74         }

    75     iCommandBuffers.AppendL( newBuffer);    

    76     CleanupStack::Pop(2, commands);

    77     

    78     RequestContinueRefresh();

    79     }

    80 

    81 void CHuiCanvasPainter::AddPartialCommandSetL( const TDesC8& aMoreCommands, TBool aLastPart )

    82     {

    83 	if (!iPartialCommandBuffer)

    84         {

    85         iPartialCommandBuffer = aMoreCommands.AllocL();

    86         }

    87     else 

    88         {

    89         iPartialCommandBuffer = 

    90             iPartialCommandBuffer->ReAllocL( iPartialCommandBuffer->Length() + aMoreCommands.Length() );    

    91         

    92         TPtr8 ptr = iPartialCommandBuffer->Des();

    93         ptr.Append(aMoreCommands);

    94         }

    95         

    96     if (aLastPart && iPartialCommandBuffer)

    97         {

    98         AddCommandSetL(*iPartialCommandBuffer);

    99         delete iPartialCommandBuffer;

   100         iPartialCommandBuffer = NULL;                    

   101         }        	

   102     }

   103 	

   104 // Tags the last buffer for tracking	

   105 #ifdef HUI_DEBUG_TRACK_DRAWING

   106 void CHuiCanvasPainter::SetTrackCommandSet( TFileName& aFileName, TBool aTrack )

   107     {

   108     TInt count = iCommandBuffers.Count();

   109     if ( count == 0 )

   110         {

   111         return;

   112         }

   113     iCommandBuffers[count-1]->iTrackedBuffer = aTrack;

   114     

   115     if ( aFileName.Length() > 0 )

   116         {

   117         iCommandBuffers[count-1]->iProcessName = aFileName.Alloc();

   118         }

   119     }

   120 #endif

   121 

   122 TBool CHuiCanvasPainter::HasCommandBuffers()

   123     {

   124 	if (iCommandBuffers.Count() == 0 || 

   125         !iCommandBuffers[0]->iCommands )

   126     	{

   127     	return EFalse;		

   128     	}

   129     return ETrue;	

   130     }

   131 

   132 void CHuiCanvasPainter::SetVisual(CHuiCanvasVisual* aVisual)

   133     {

   134     iCanvasVisual = aVisual;    

   135     }

   136 

   137 CHuiCanvasVisual* CHuiCanvasPainter::Visual()

   138     {

   139     return iCanvasVisual;    

   140     }

   141 

   142 TBool CHuiCanvasPainter::BuffersChanged() const

   143     {    

   144     TInt bufferCount = iCommandBuffers.Count();

   145     for (TInt cb = 0; cb < bufferCount; cb++)

   146         {        

   147         if (iCommandBuffers[cb]->iChanged)

   148             {

   149             return ETrue;

   150             }

   151         }

   152     return EFalse;    

   153     }

   154 

   155 void CHuiCanvasPainter::ClearAllBuffersChanged()

   156     {

   157     SetAllBuffersChanged(EFalse);

   158     }

   159 

   160 void CHuiCanvasPainter::SetAllBuffersChanged(TBool aChanged)

   161     {

   162     TInt bufferCount = iCommandBuffers.Count();

   163     for (TInt cb = 0; cb < bufferCount; cb++)

   164         {        

   165         iCommandBuffers[cb]->iChanged = aChanged;

   166         }

   167     

   168     if ( aChanged )

   169         {

   170         RequestContinueRefresh();

   171         }

   172     }

   173 

   174 void CHuiCanvasPainter::RequestContinueRefresh()

   175     {

   176     if ( iCanvasVisual && iCanvasVisual->Display() )

   177         {

   178         iCanvasVisual->Owner().Env().ContinueRefresh(ETrue);

   179         }

   180     }

   181 

   182 void CHuiCanvasPainter::SetAllBufferStatusFlags(THuiCanvasBufferStatusFlags aStatusFlags)

   183     {

   184     TInt bufferCount = iCommandBuffers.Count();

   185     for (TInt cb = 0; cb < bufferCount; cb++)

   186         {        

   187         iCommandBuffers[cb]->SetStatusFlags(aStatusFlags);

   188         }    

   189     }

   190 

   191 void CHuiCanvasPainter::ClearAllBufferStatusFlags(THuiCanvasBufferStatusFlags aStatusFlags)

   192     {

   193     TInt bufferCount = iCommandBuffers.Count();

   194     for (TInt cb = 0; cb < bufferCount; cb++)

   195         {        

   196         iCommandBuffers[cb]->ClearStatusFlags(aStatusFlags);

   197         }        

   198     }

   199 

   200 

   201 TBool CHuiCanvasPainter::HasCommandBuffers(THuiCanvasBufferStatusFlags aStatusFlags)

   202     {

   203     TInt bufferCount = iCommandBuffers.Count();

   204     for (TInt cb = 0; cb < bufferCount; cb++)

   205         {        

   206         if (iCommandBuffers[cb]->iStatusFlags & aStatusFlags)

   207             {

   208             return ETrue;

   209             }

   210         }    

   211     return EFalse;

   212     }

   213 

   214 TBool CHuiCanvasPainter::HasCommandBuffersWithoutFlags(THuiCanvasBufferStatusFlags aStatusFlags)

   215     {

   216     TInt bufferCount = iCommandBuffers.Count();

   217     for (TInt cb = 0; cb < bufferCount; cb++)

   218         {        

   219         if (!(iCommandBuffers[cb]->iStatusFlags & aStatusFlags))

   220             {

   221             return ETrue;

   222             }

   223         }    

   224     return EFalse;

   225     }

   226 

   227 TBool CHuiCanvasPainter::HasOldCommandBuffers(TInt aLifeTimeInMs)

   228     {

   229     TTime now;

   230     now.UniversalTime();    

   231     TInt bufferCount = iCommandBuffers.Count();

   232     for (TInt cb = 0; cb < bufferCount; cb++)

   233         {        

   234         TInt lifetimeInMs =  now.MicroSecondsFrom( iCommandBuffers[cb]->iCreationTime ).Int64()/1000;                               

   235         if (lifetimeInMs > 0 && lifetimeInMs > aLifeTimeInMs)

   236             {

   237             return ETrue;

   238             }

   239         }    

   240 

   241     return EFalse;    

   242     }