ui/uiengine/medialists/src/glximagereader.cpp
branchRCL_3
changeset 59 8e5f6eea9c9f
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57:ea65f74e6de4 59:8e5f6eea9c9f
       
     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:   glximagereader.cpp
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <apgcli.h>
       
    20 #include <glxtracer.h>
       
    21 #include <glxlog.h>
       
    22 #include <glxpanic.h>
       
    23 
       
    24 //for DRM
       
    25 #include <caf/content.h>
       
    26 #include <caf/attributeset.h>
       
    27 #include <DRMHelper.h>
       
    28 
       
    29 #include "glximagereader.h"
       
    30 
       
    31 const TInt KDefaultFrameCount = 1;
       
    32 
       
    33 // ---------------------------------------------------------
       
    34 // CGlxImageReader::NewL
       
    35 // ---------------------------------------------------------
       
    36 //  
       
    37 CGlxImageReader* CGlxImageReader::NewL()
       
    38     {
       
    39     TRACER("CGlxImageReader::NewL");  
       
    40     
       
    41     CGlxImageReader* self = CGlxImageReader::NewLC();
       
    42     CleanupStack::Pop(self);
       
    43     return self;
       
    44     }
       
    45 
       
    46 // ---------------------------------------------------------
       
    47 // CGlxImageReader::NewLC
       
    48 // ---------------------------------------------------------
       
    49 //  
       
    50 CGlxImageReader* CGlxImageReader::NewLC()
       
    51     {
       
    52     TRACER("CGlxImageReader::NewLC"); 
       
    53     
       
    54     CGlxImageReader* self = new(ELeave) CGlxImageReader();
       
    55     CleanupStack::PushL(self);
       
    56     self->ConstructL();
       
    57     return self;
       
    58     }
       
    59 
       
    60 // ---------------------------------------------------------
       
    61 // CGlxImageReader::CGlxImageReader
       
    62 // ---------------------------------------------------------
       
    63 // 
       
    64 CGlxImageReader::CGlxImageReader()
       
    65     {
       
    66     //no implementation
       
    67     }
       
    68 
       
    69 // ---------------------------------------------------------
       
    70 // CGlxImageReader::~CGlxImageReader
       
    71 // ---------------------------------------------------------
       
    72 //
       
    73 CGlxImageReader::~CGlxImageReader()
       
    74     {
       
    75     TRACER("CGlxImageReader::~");
       
    76     if(iImageDecoder)
       
    77         {
       
    78         delete iImageDecoder;
       
    79         }  
       
    80 
       
    81     if(iImgViewerMgr)
       
    82         {
       
    83         iImgViewerMgr->Close();
       
    84         }
       
    85     }
       
    86 
       
    87 // ---------------------------------------------------------
       
    88 // CGlxImageReader::ConstructL
       
    89 // ---------------------------------------------------------
       
    90 //
       
    91 void CGlxImageReader::ConstructL()
       
    92     {
       
    93     TRACER("CGlxImageReader::ConstructL");
       
    94 
       
    95     iImgViewerMgr = CGlxImageViewerManager::InstanceL();
       
    96     if (!iImgViewerMgr)
       
    97         {
       
    98         return;
       
    99         }
       
   100 
       
   101     TInt errInImage = KErrGeneral;
       
   102     if (iImgViewerMgr->IsPrivate())
       
   103         {
       
   104         if ( &(iImgViewerMgr->ImageFileHandle()) != NULL )
       
   105             {
       
   106             TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(iImgViewerMgr->ImageFileHandle(), ContentAccess::EPeek));
       
   107             }
       
   108         }
       
   109     else
       
   110         {
       
   111         if ( iImgViewerMgr->ImageUri() != NULL )
       
   112             {
       
   113             TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(CCoeEnv::Static()->FsSession(), iImgViewerMgr->ImageUri()->Des()));
       
   114             }
       
   115         }
       
   116     if (errInImage != KErrNone)
       
   117         {
       
   118         User::Leave(errInImage);
       
   119         }
       
   120     }
       
   121 
       
   122 // ---------------------------------------------------------
       
   123 // CGlxImageReader::GetDRMRightsL
       
   124 // ---------------------------------------------------------
       
   125 //
       
   126 TInt CGlxImageReader::GetDRMRightsL(TInt aAttribute)
       
   127     {
       
   128     TRACER("CGlxImageReader::GetDRMRightsL");
       
   129     
       
   130     TInt value = KErrNone;
       
   131     TInt error = KErrNone;
       
   132     CContent* content = NULL;
       
   133     if(iImgViewerMgr->IsPrivate())
       
   134         {
       
   135         if ( &(iImgViewerMgr->ImageFileHandle()) != NULL )
       
   136             {
       
   137             content = CContent::NewLC(iImgViewerMgr->ImageFileHandle());
       
   138             }
       
   139         }
       
   140     else
       
   141         {
       
   142         if ( iImgViewerMgr->ImageUri() != NULL )
       
   143             {
       
   144             content = CContent::NewLC(iImgViewerMgr->ImageUri()->Des());
       
   145             }
       
   146         }
       
   147     __ASSERT_ALWAYS(content, Panic(EGlxPanicNullPointer));
       
   148     error = content->GetAttribute(aAttribute, value);
       
   149     CleanupStack::PopAndDestroy( content );
       
   150     GLX_DEBUG2("CGlxImageReader::GetDRMRightsL value=%d", value);
       
   151     if(error != KErrNone)
       
   152 	    {
       
   153 	    switch	( aAttribute )
       
   154 			{
       
   155 			case ContentAccess::EIsProtected : 
       
   156 				value = ETrue;
       
   157 				break;
       
   158 			case ContentAccess::ECanView : 
       
   159 				value = EFalse;
       
   160 				break;
       
   161 		    default:
       
   162 		    	value = EFalse;
       
   163 			}
       
   164 	    }
       
   165     return value;
       
   166     }
       
   167 
       
   168 // ---------------------------------------------------------
       
   169 // CGlxImageReader::GetFrameCount
       
   170 // ---------------------------------------------------------
       
   171 //
       
   172 TInt CGlxImageReader::GetFrameCount()
       
   173     {
       
   174     TRACER("CGlxImageReader::GetFrameCount");
       
   175     TInt frameCount = KDefaultFrameCount;
       
   176     if (iImageDecoder)
       
   177         {
       
   178         frameCount = iImageDecoder->FrameCount();
       
   179         }
       
   180     GLX_DEBUG2("CGlxImageReader::GetFrameCount frameCount=%d", frameCount);
       
   181     return frameCount;
       
   182     }
       
   183 
       
   184 // ---------------------------------------------------------
       
   185 // CGlxImageReader::GetDimensions
       
   186 // ---------------------------------------------------------
       
   187 //
       
   188 TSize CGlxImageReader::GetDimensions()
       
   189     {
       
   190     TRACER("CGlxImageReader::GetDimensions");
       
   191     TSize size = TSize();
       
   192     if (iImageDecoder)
       
   193         {
       
   194         size = iImageDecoder->FrameInfo().iOverallSizeInPixels;
       
   195         }
       
   196     GLX_DEBUG3("CGlxImageReader::GetImageSize() size w(%d) h(%d)",
       
   197             size.iWidth, size.iHeight);
       
   198     return size;
       
   199     }