photosgallery/viewframework/medialists/src/glximagereader.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:40:30 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   glximagereader.cpp
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*
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*/
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#include <apgcli.h>
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#include <glxtracer.h>
2
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#include <glxlog.h>
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#include <glxpanic.h>
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0
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//for DRM
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#include <caf/content.h>
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#include <caf/attributeset.h>
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#include <DRMHelper.h>
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#include "glximagereader.h"
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const TInt KDefaultFrameCount = 1;
0
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// ---------------------------------------------------------
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// CGlxImageReader::NewL
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// ---------------------------------------------------------
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//  
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CGlxImageReader* CGlxImageReader::NewL(MImageReadyCallBack& aNotify)
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    {
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    TRACER("CGlxImageReader::NewL");  
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    CGlxImageReader* self = CGlxImageReader::NewLC( aNotify);
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    CleanupStack::Pop(self);
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    return self;
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    }
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// ---------------------------------------------------------
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// CGlxImageReader::NewLC
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// ---------------------------------------------------------
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//  
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CGlxImageReader* CGlxImageReader::NewLC(MImageReadyCallBack& aNotify)
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    {
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    TRACER("CGlxImageReader::NewLC"); 
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    CGlxImageReader* self = new(ELeave) CGlxImageReader(aNotify);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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    }
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// ---------------------------------------------------------
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// CGlxImageReader::CGlxImageReader
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// ---------------------------------------------------------
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// 
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CGlxImageReader::CGlxImageReader(MImageReadyCallBack& aNotify)
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:CActive(0),iNotify(aNotify)
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                                {
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                                }
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// ---------------------------------------------------------
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// CGlxImageReader::~CGlxImageReader
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// ---------------------------------------------------------
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//
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CGlxImageReader::~CGlxImageReader()
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    {
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    TRACER("CGlxImageReader::~");
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    if(iImageDecoder)
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        {
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        Cancel();
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        delete iImageDecoder;
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        }  
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    if(iFrame)
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        {
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        delete iFrame;
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        }
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0
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    if(iImgViewerMgr)
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        {
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        iImgViewerMgr->DeleteInstance();
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        }
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    }
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// ---------------------------------------------------------
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// CGlxImageReader::ConstructL
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// ---------------------------------------------------------
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//
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void CGlxImageReader::ConstructL()
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    {
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    TRACER("CGlxImageReader::ConstructL");
2
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0
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    CActiveScheduler::Add(this);
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    iImgViewerMgr = CGlxImageViewerManager::InstanceL();
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    if (!iImgViewerMgr)
0
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        {
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        return;
0
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        }
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    TInt errInImage = KErrNone;
2
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    if (iImgViewerMgr->IsPrivate())
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        {
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        if ( &(iImgViewerMgr->ImageFileHandle()) )
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            {
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            TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(iImgViewerMgr->ImageFileHandle(), ContentAccess::EPeek));
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            }
0
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        }
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    else
1
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   118
        {
9
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        if ( iImgViewerMgr->ImageUri() )
4
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   120
            {
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            TRAP(errInImage,iImageDecoder = CImageDecoder::FileNewL(CCoeEnv::Static()->FsSession(), iImgViewerMgr->ImageUri()->Des()));
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            }
0
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        }
2
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    if (errInImage != KErrNone)
1
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        {
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        User::Leave(errInImage);
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        }
2
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4
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    if ( iImageDecoder )
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   130
        {
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        iFrame = new (ELeave) CFbsBitmap();
13
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        User::LeaveIfError(iFrame->Create(
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                iImageDecoder->FrameInfo(0).iOverallSizeInPixels,
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                iImageDecoder->FrameInfo(0).iFrameDisplayMode));
4
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        iImageDecoder->Convert(&iStatus, *iFrame, 0);
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        SetActive();
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        }
0
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    }
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// ---------------------------------------------------------
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// CGlxImageReader::DoCancel
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// ---------------------------------------------------------
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//
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void CGlxImageReader::DoCancel()
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    {
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    TRACER("CGlxImageReader::DoCancel");
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    iImageDecoder->Cancel();
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    }
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// ---------------------------------------------------------
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// CGlxImageReader::RunL
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// ---------------------------------------------------------
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//
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void CGlxImageReader::RunL()
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    {
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    TRACER("CGlxImageReader::RunL");
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2
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    TSize size = TSize();
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    TInt reqStatus = iStatus.Int(); 
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   160
    if (reqStatus == KErrNone && iFrame)
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   161
        {
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        size = iFrame->SizeInPixels();
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   163
        }
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   164
    GLX_DEBUG2("CGlxImageReader::RunL() reqStatus=%d", reqStatus);   
4
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   165
    iNotify.ImageSizeReady(reqStatus, size);
0
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    }
14
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diff changeset
   167
0
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// ---------------------------------------------------------
2
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   169
// CGlxImageReader::GetDRMRightsL
0
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// ---------------------------------------------------------
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//
2
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   172
TInt CGlxImageReader::GetDRMRightsL(TInt aAttribute)
0
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   173
    {
2
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   174
    TRACER("CGlxImageReader::GetDRMRightsL");
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   175
    
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   176
    TInt value = KErrNone;
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   177
    TInt error = KErrNone;
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   178
    CContent* content = NULL;
4
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   179
    if(iImgViewerMgr->IsPrivate())
0
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   180
        {
9
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   181
        if ( &(iImgViewerMgr->ImageFileHandle()) )
4
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   182
            {
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   183
            content = CContent::NewLC(iImgViewerMgr->ImageFileHandle());
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diff changeset
   184
            }
0
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   185
        }
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   186
    else
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   187
        {
9
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diff changeset
   188
        if ( iImgViewerMgr->ImageUri() )
4
57d388cc48c1 Revision: 201003
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parents: 2
diff changeset
   189
            {
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   190
            content = CContent::NewLC(iImgViewerMgr->ImageUri()->Des());
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diff changeset
   191
            }
0
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   192
        }
2
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parents: 1
diff changeset
   193
    __ASSERT_ALWAYS(content, Panic(EGlxPanicNullPointer));
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   194
    error = content->GetAttribute(aAttribute, value);
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diff changeset
   195
    CleanupStack::PopAndDestroy( content );
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   196
    GLX_DEBUG2("CGlxImageReader::GetDRMRightsL value=%d", value);
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   197
    if(error != KErrNone)
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diff changeset
   198
	    {
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   199
	    switch	( aAttribute )
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parents: 1
diff changeset
   200
			{
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diff changeset
   201
			case ContentAccess::EIsProtected : 
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   202
				value = ETrue;
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diff changeset
   203
				break;
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diff changeset
   204
			case ContentAccess::ECanView : 
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   205
				value = EFalse;
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diff changeset
   206
				break;
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diff changeset
   207
		    default:
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   208
		    	value = EFalse;
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diff changeset
   209
			}
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diff changeset
   210
	    }
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diff changeset
   211
    return value;
0
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diff changeset
   212
    }
14
ce1c7ad1f18b Revision: 201009
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parents: 13
diff changeset
   213
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diff changeset
   214
// ---------------------------------------------------------
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diff changeset
   215
// CGlxImageReader::GetFrameCount
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diff changeset
   216
// ---------------------------------------------------------
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diff changeset
   217
//
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   218
TInt CGlxImageReader::GetFrameCount()
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parents: 13
diff changeset
   219
    {
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diff changeset
   220
    TRACER("CGlxImageReader::GetFrameCount");
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diff changeset
   221
    TInt frameCount = KDefaultFrameCount;
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parents: 13
diff changeset
   222
    if (iImageDecoder)
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parents: 13
diff changeset
   223
        {
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   224
        frameCount = iImageDecoder->FrameCount();
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diff changeset
   225
        }
ce1c7ad1f18b Revision: 201009
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parents: 13
diff changeset
   226
    return frameCount;
ce1c7ad1f18b Revision: 201009
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 13
diff changeset
   227
    }