ui/uiengine/medialists/src/glximagereader.cpp
branchRCL_3
changeset 59 8e5f6eea9c9f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/uiengine/medialists/src/glximagereader.cpp	Tue Aug 31 15:14:51 2010 +0300
@@ -0,0 +1,199 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   glximagereader.cpp
+*
+*/
+
+
+#include <apgcli.h>
+#include <glxtracer.h>
+#include <glxlog.h>
+#include <glxpanic.h>
+
+//for DRM
+#include <caf/content.h>
+#include <caf/attributeset.h>
+#include <DRMHelper.h>
+
+#include "glximagereader.h"
+
+const TInt KDefaultFrameCount = 1;
+
+// ---------------------------------------------------------
+// CGlxImageReader::NewL
+// ---------------------------------------------------------
+//  
+CGlxImageReader* CGlxImageReader::NewL()
+    {
+    TRACER("CGlxImageReader::NewL");  
+    
+    CGlxImageReader* self = CGlxImageReader::NewLC();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::NewLC
+// ---------------------------------------------------------
+//  
+CGlxImageReader* CGlxImageReader::NewLC()
+    {
+    TRACER("CGlxImageReader::NewLC"); 
+    
+    CGlxImageReader* self = new(ELeave) CGlxImageReader();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::CGlxImageReader
+// ---------------------------------------------------------
+// 
+CGlxImageReader::CGlxImageReader()
+    {
+    //no implementation
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::~CGlxImageReader
+// ---------------------------------------------------------
+//
+CGlxImageReader::~CGlxImageReader()
+    {
+    TRACER("CGlxImageReader::~");
+    if(iImageDecoder)
+        {
+        delete iImageDecoder;
+        }  
+
+    if(iImgViewerMgr)
+        {
+        iImgViewerMgr->Close();
+        }
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::ConstructL
+// ---------------------------------------------------------
+//
+void CGlxImageReader::ConstructL()
+    {
+    TRACER("CGlxImageReader::ConstructL");
+
+    iImgViewerMgr = CGlxImageViewerManager::InstanceL();
+    if (!iImgViewerMgr)
+        {
+        return;
+        }
+
+    TInt errInImage = KErrGeneral;
+    if (iImgViewerMgr->IsPrivate())
+        {
+        if ( &(iImgViewerMgr->ImageFileHandle()) != NULL )
+            {
+            TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(iImgViewerMgr->ImageFileHandle(), ContentAccess::EPeek));
+            }
+        }
+    else
+        {
+        if ( iImgViewerMgr->ImageUri() != NULL )
+            {
+            TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(CCoeEnv::Static()->FsSession(), iImgViewerMgr->ImageUri()->Des()));
+            }
+        }
+    if (errInImage != KErrNone)
+        {
+        User::Leave(errInImage);
+        }
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::GetDRMRightsL
+// ---------------------------------------------------------
+//
+TInt CGlxImageReader::GetDRMRightsL(TInt aAttribute)
+    {
+    TRACER("CGlxImageReader::GetDRMRightsL");
+    
+    TInt value = KErrNone;
+    TInt error = KErrNone;
+    CContent* content = NULL;
+    if(iImgViewerMgr->IsPrivate())
+        {
+        if ( &(iImgViewerMgr->ImageFileHandle()) != NULL )
+            {
+            content = CContent::NewLC(iImgViewerMgr->ImageFileHandle());
+            }
+        }
+    else
+        {
+        if ( iImgViewerMgr->ImageUri() != NULL )
+            {
+            content = CContent::NewLC(iImgViewerMgr->ImageUri()->Des());
+            }
+        }
+    __ASSERT_ALWAYS(content, Panic(EGlxPanicNullPointer));
+    error = content->GetAttribute(aAttribute, value);
+    CleanupStack::PopAndDestroy( content );
+    GLX_DEBUG2("CGlxImageReader::GetDRMRightsL value=%d", value);
+    if(error != KErrNone)
+	    {
+	    switch	( aAttribute )
+			{
+			case ContentAccess::EIsProtected : 
+				value = ETrue;
+				break;
+			case ContentAccess::ECanView : 
+				value = EFalse;
+				break;
+		    default:
+		    	value = EFalse;
+			}
+	    }
+    return value;
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::GetFrameCount
+// ---------------------------------------------------------
+//
+TInt CGlxImageReader::GetFrameCount()
+    {
+    TRACER("CGlxImageReader::GetFrameCount");
+    TInt frameCount = KDefaultFrameCount;
+    if (iImageDecoder)
+        {
+        frameCount = iImageDecoder->FrameCount();
+        }
+    GLX_DEBUG2("CGlxImageReader::GetFrameCount frameCount=%d", frameCount);
+    return frameCount;
+    }
+
+// ---------------------------------------------------------
+// CGlxImageReader::GetDimensions
+// ---------------------------------------------------------
+//
+TSize CGlxImageReader::GetDimensions()
+    {
+    TRACER("CGlxImageReader::GetDimensions");
+    TSize size = TSize();
+    if (iImageDecoder)
+        {
+        size = iImageDecoder->FrameInfo().iOverallSizeInPixels;
+        }
+    GLX_DEBUG3("CGlxImageReader::GetImageSize() size w(%d) h(%d)",
+            size.iWidth, size.iHeight);
+    return size;
+    }