--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/drmutility/src/glxdrmutility.cpp Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,339 @@
+/*
+* 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: DRM utility implementation
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 03/07/2007 by Rowland Cook
+ */
+
+// INCLUDES
+
+#include "glxdrmutility.h"
+
+#include <glxpanic.h>
+
+#include <DRMHelper.h>
+#include <DRMCommon.h>
+
+#include <caf/caf.h>
+#include <caf/content.h>
+#include <caf/data.h>
+#include <caf/manager.h>
+
+const TInt KGlxDRMThumbnailHeight = 120;
+const TInt KGlxDRMThumbnailWidth = 90;
+
+// ======== MEMBER FUNCTIONS ========
+
+/**
+ * CGlxDrmTls
+ *
+ * Global object stored in TLS.
+ * Owns the only instance of a CGlxDRMUtility
+ */
+struct CGlxDrmTls
+ {
+ CGlxDrmTls(CGlxDRMUtility* aUtility)
+ {
+ iDrmUtility = aUtility;
+ iRefCount = 0;
+ }
+
+ CGlxDRMUtility* iDrmUtility;
+ TInt iRefCount;
+ };
+
+//============================================================================
+// InstanceL
+//============================================================================
+EXPORT_C CGlxDRMUtility* CGlxDRMUtility::InstanceL()
+ {
+ CGlxDrmTls* tls = reinterpret_cast<CGlxDrmTls*>(Dll::Tls());
+
+ if(tls==NULL)
+ {
+ CGlxDRMUtility* drmutil = new(ELeave)CGlxDRMUtility();
+ CleanupStack::PushL(drmutil);
+ drmutil->ConstructL();
+
+ tls = new (ELeave) CGlxDrmTls(drmutil);
+
+ CleanupStack::Pop(drmutil);
+
+ Dll::SetTls( reinterpret_cast<TAny*>(tls));
+ }
+
+ tls->iRefCount++;
+
+ return tls->iDrmUtility;
+ }
+
+//============================================================================
+// Close
+//============================================================================
+EXPORT_C void CGlxDRMUtility::Close()
+ {
+ CGlxDrmTls* tls = reinterpret_cast<CGlxDrmTls*>(Dll::Tls());
+
+ if (tls != NULL)
+ {
+ tls->iRefCount--;
+
+ // Delete the tls pointer and list manager instance if this was the
+ // last reference
+ if (tls->iRefCount == 0)
+ {
+ delete tls->iDrmUtility;
+ delete tls;
+ Dll::SetTls(NULL);
+ }
+ }
+ }
+
+//============================================================================
+// Destructor
+//============================================================================
+CGlxDRMUtility::~CGlxDRMUtility()
+ {
+ delete iCManager;
+ delete iDrmHelper;
+ delete iLastConsumedItemUri;
+ }
+
+//============================================================================
+// CheckOpenRightsL
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::CheckOpenRightsL( const TDesC& aUri,
+ TBool aCheckViewRights )
+ {
+ // When checking current rights for a URI, clear stored URI
+ TPtr ptr = iLastConsumedItemUri->Des();
+ ptr.Zero();
+ iLastConsumedItemUri = iLastConsumedItemUri->ReAllocL( 0 );
+
+ TBool rightsValid = EFalse;
+ TVirtualPathPtr path( aUri, KDefaultContentObject() );
+
+ ContentAccess::TAttribute attr =
+ aCheckViewRights ? ContentAccess::ECanView : ContentAccess::ECanPlay;
+
+ // rightsValid is not updated if an error occurs
+ iCManager->GetAttribute( attr, rightsValid, path );
+
+ return rightsValid;
+ }
+
+//============================================================================
+// CheckDisplayRightsL
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::CheckDisplayRightsL( const TDesC& aUri,
+ TBool aCheckViewRights )
+ {
+ // Allow to display if rights for a URI was just consumed (i.e. same as stored URI)
+ if ( iLastConsumedItemUri->Length() > 0 )
+ {
+ if ( aUri.CompareF( *iLastConsumedItemUri ) == 0 )
+ {
+ return ETrue;
+ }
+ }
+
+ // Otherwise, check current rights for the URI
+ return CheckOpenRightsL( aUri, aCheckViewRights );
+ }
+
+//============================================================================
+// ConsumeRightsL
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::ConsumeRightsL(const TDesC& aUri)
+ {
+ TVirtualPathPtr path( aUri, KDefaultContentObject() );
+
+ // Create a CData object to read the content
+ // Tell the agent we are planning to display the content
+ CData* data = CData::NewLC(path, ContentAccess::EView, EContentShareReadOnly);
+
+ // When consuming rights for a URI, clear stored URI
+ TPtr oldPtr = iLastConsumedItemUri->Des();
+ oldPtr.Zero();
+ iLastConsumedItemUri = iLastConsumedItemUri->ReAllocL( aUri.Length() );
+
+ // Execute the intent, tell the agent that we plan to display the content
+ // It is at this point that any stateful rights will be decremented
+ TInt err = data->ExecuteIntent(ContentAccess::EView);
+ if ( err == KErrNone )
+ {
+ // Update stored URI
+ TPtr newPtr = iLastConsumedItemUri->Des();
+ newPtr.Copy( aUri );
+ }
+
+ CleanupStack::PopAndDestroy(data);
+
+ return (err == KErrNone);
+ }
+
+//============================================================================
+// Test whether a media item is OMA DRM 2.0 protected and has an associated
+// info URL.
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::CanShowInfoOnlineL(TDesC& aUri)
+ {
+ TBool canShowInfoOnline = EFalse;
+
+ HBufC8* urlBuf = NULL;
+ canShowInfoOnline = iDrmHelper->HasInfoUrlL(aUri, urlBuf);
+
+ // discard buf we don't need it
+ delete urlBuf;
+
+ return canShowInfoOnline;
+ }
+
+//============================================================================
+// Open the associated info URL for a media item in the browser.
+//============================================================================
+EXPORT_C void CGlxDRMUtility::ShowInfoOnlineL(TDesC& aUri)
+ {
+ iDrmHelper->OpenInfoUrlL(aUri);
+ }
+
+//============================================================================
+// Test whether a media item can be set as automated content.
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::CanSetAsAutomatedL(const TDesC& aUri,
+ TGlxDrmAutomatedType aType)
+ {
+ TBool canSetAutomated = EFalse;
+ switch(aType)
+ {
+ case EGlxDrmAutomatedTypeWallpaper:
+ {
+ User::LeaveIfError(iDrmHelper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper));
+ User::LeaveIfError(iDrmHelper->CanSetAutomated(aUri, canSetAutomated));
+ break;
+ }
+ default:
+ break;
+ };
+ return canSetAutomated;
+ }
+
+//============================================================================
+// SetAsAutomatedL
+//============================================================================
+EXPORT_C void CGlxDRMUtility::SetAsAutomatedL(const TDesC& aUri,
+ TGlxDrmAutomatedType aType)
+ {
+ switch(aType)
+ {
+ case EGlxDrmAutomatedTypeWallpaper:
+ {
+ TInt error = iDrmHelper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper);
+ if(KErrNone==error)
+ {
+ error= iDrmHelper->SetAutomatedPassive(aUri);
+ if(KErrNone!=error)
+ {
+ iDrmHelper->HandleErrorL(error, aUri);
+ }
+ }
+
+ break;
+ }
+ default:
+ break;
+ };
+ }
+
+//============================================================================
+// ShowDRMDetailsPane
+//============================================================================
+EXPORT_C void CGlxDRMUtility::ShowDRMDetailsPaneL( const TDesC& aUri )
+ {
+ TRAPD( err, iDrmHelper->LaunchDetailsViewEmbeddedL( aUri ) );
+ // if no rights ask user to re-activate?
+ if( err == KErrCANoRights )
+ {
+ HBufC* buf = aUri.AllocLC();
+ iDrmHelper->ActivateContentL( *buf );
+ CleanupStack::PopAndDestroy( buf );
+ }
+
+ }
+
+//============================================================================
+// IsForwardLockedL
+//============================================================================
+EXPORT_C TBool CGlxDRMUtility::IsForwardLockedL(const TDesC& aUri)
+ {
+ TBool forwardLocked = EFalse;
+ TVirtualPathPtr path( aUri, KDefaultContentObject() );
+
+ // forwardLocked is not updated if an error occurs
+ iCManager->GetAttribute( ContentAccess::EIsForwardable, forwardLocked, path );
+
+ return forwardLocked;
+ }
+
+//============================================================================
+// ShowRightsInfoL
+//============================================================================
+EXPORT_C void CGlxDRMUtility::ShowRightsInfoL(const TDesC& aUri)
+ {
+ iDrmHelper->CheckRightsAmountL( aUri );
+ }
+
+//============================================================================
+// Return size for DRM thumbnail request.
+//============================================================================
+EXPORT_C TSize CGlxDRMUtility::DRMThumbnailSize(TSize& aSize)
+ {
+ TSize thumbnailSize(KGlxDRMThumbnailWidth, KGlxDRMThumbnailHeight);
+
+ if((aSize.iWidth*aSize.iHeight)/4 <
+ KGlxDRMThumbnailWidth * KGlxDRMThumbnailHeight)
+ {
+ thumbnailSize.iWidth = aSize.iWidth/2;
+ thumbnailSize.iHeight = aSize.iHeight/2;
+ }
+
+ return thumbnailSize;
+ }
+
+/**
+ * C++ default constructor.
+ */
+CGlxDRMUtility::CGlxDRMUtility()
+ {
+
+ }
+
+/**
+ * By default Symbian 2nd phase constructor is private.
+ */
+void CGlxDRMUtility::ConstructL()
+ {
+ iCManager = ContentAccess::CManager::NewL();
+ iDrmHelper = CDRMHelper::NewL();
+ iLastConsumedItemUri = HBufC::NewL(0);
+ }
+
+
+// End of File