scrsaver/scrsaverplugins/ScreenSaverAnimPlugin/src/ScreenSaverAnimPluginHelper.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/scrsaver/scrsaverplugins/ScreenSaverAnimPlugin/src/ScreenSaverAnimPluginHelper.cpp Wed Sep 01 12:30:40 2010 +0100
@@ -0,0 +1,361 @@
+/*
+* Copyright (c) 2005 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: This file implements all helper classes
+* for ScreenSaverAnimPlugin
+*
+*/
+
+
+
+// INCLUDE FILES
+
+#include <DRMHelper.h>
+#include <coemain.h>
+#include <apgcli.h>
+#include <barsread.h>
+#include <aknnotewrappers.h>
+#include <centralrepository.h>
+
+#include <screensaveranimplugin.rsg>
+
+#include "ScreenSaverAnimPluginHelper.h"
+#include "ScreenSaverAnimPlugin.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::CScreenSaverAnimPluginVerifier
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CScreenSaverAnimPluginVerifier::CScreenSaverAnimPluginVerifier(
+ CScreenSaverAnimPlugin* aFileVerify ) :
+ iFileVerify( aFileVerify )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CScreenSaverAnimPluginVerifier::ConstructL()
+ {
+ iCoeEnv = CCoeEnv::Static();
+ iDRMHelper = CDRMHelper::NewL( *iCoeEnv );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CScreenSaverAnimPluginVerifier* CScreenSaverAnimPluginVerifier::NewL(
+ CScreenSaverAnimPlugin* aFileVerify )
+ {
+ CScreenSaverAnimPluginVerifier* self = new( ELeave )
+ CScreenSaverAnimPluginVerifier( aFileVerify );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::~CScreenSaverAnimPluginVerifier
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CScreenSaverAnimPluginVerifier::~CScreenSaverAnimPluginVerifier()
+ {
+ delete iDRMHelper;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::IsFileValidL
+// Empty implementation.
+// -----------------------------------------------------------------------------
+//
+TBool CScreenSaverAnimPluginVerifier::VerifySelectionL( const MDesCArray*
+ aSelectedFiles )
+ {
+
+ TBool canbeautomated( EFalse );
+
+ if( aSelectedFiles->MdcaCount()<1 )
+ {
+ // Download item
+ return ETrue;
+ }
+
+ // 1. Check whether the drm rights are ok
+ TInt res = 0;
+ iDRMHelper->SetAutomatedType(
+ CDRMHelper::EAutomatedTypeScreenSaver );
+ res = iDRMHelper->CanSetAutomated( aSelectedFiles->MdcaPoint( 0 ), canbeautomated );
+ if ( KErrUnderflow == res )
+ {
+ TInt resourceId = R_SANIM_ERROR_WRONG_FORMAT;
+ // Show information note
+ ShowErrorNoteL( resourceId );
+ return EFalse;
+ }
+ if ( res )
+ {
+ iDRMHelper->HandleErrorL( res, aSelectedFiles->MdcaPoint( 0 ) );
+ return canbeautomated;
+ }
+ else if ( !canbeautomated )
+ {
+ ShowErrorNoteL( R_DRM_PREV_RIGHTS_SET );
+ return canbeautomated;
+ }
+
+ // 2. Check whether the file is supported
+ RApaLsSession ls;
+ CleanupClosePushL( ls );
+ TUid dummyUid( KNullUid );
+ TDataType dataType;
+ User::LeaveIfError( ls.Connect() );
+ // find the mimetype
+ User::LeaveIfError( ls.AppForDocument( aSelectedFiles->MdcaPoint( 0 ),
+ dummyUid, dataType ) );
+
+ CleanupStack::PopAndDestroy( &ls );
+
+ TResourceReader reader;
+ TBool valid( EFalse );
+ iCoeEnv->CreateResourceReaderLC( reader,
+ R_MIMETYPE_SPECIFIC_PLUGIN_ARRAY );
+ TInt countResource = reader.ReadInt16();
+
+ for ( TInt i = 0; i < countResource; i++ )
+ {
+ HBufC* newMimeTypeEntry = reader.ReadHBufCL();
+ TPtr mimePtr( newMimeTypeEntry->Des() );
+ reader.ReadInt32();
+ if ( newMimeTypeEntry->Compare( dataType.Des() ) == 0 )
+ {
+ valid = ETrue;
+ }
+ delete newMimeTypeEntry;
+ }
+ CleanupStack::PopAndDestroy(); // reader
+
+ if ( !valid )
+ {
+ // Pop a not supported error message
+ ShowErrorNoteL( R_SANIM_NOT_SUPPORTED );
+ return EFalse;
+ }
+
+ //3. Check file for Validity
+
+ //Display the confirmation query when setting
+ //a DRM protected image as screensaver in General settings.
+ TInt isCancel;
+ isCancel = iDRMHelper->ShowAutomatedNote( aSelectedFiles->MdcaPoint( 0 ) );
+ if ( KErrCancel == isCancel )
+ {
+ return EFalse;
+ }
+
+
+ TInt validity = KErrNone;
+ TRAPD( err,
+ validity = iFileVerify->CheckFileValidityL( aSelectedFiles->MdcaPoint( 0 ) ));
+
+ if ( err )
+ {
+ // Dll may not be present
+ ShowErrorNoteL( R_SANIM_NOT_SUPPORTED );
+ return EFalse;
+ }
+
+ if ( validity == KErrNoMemory )
+ {
+ // Pop up a Corrupted File message
+ CEikonEnv::Static()->HandleError( validity );
+ return EFalse;
+ }
+ else if ( validity != KErrNone )
+ {
+ TInt resourceId = R_SANIM_ERROR_WRONG_FORMAT;
+ // Show information note
+ ShowErrorNoteL( resourceId );
+ return EFalse;
+ }
+
+ return valid;
+
+ }
+
+// -----------------------------------------------------------------------------
+// CScreenSaverAnimPluginVerifier::ShowErrorNoteL
+// Displays the error note
+// -----------------------------------------------------------------------------
+//
+void CScreenSaverAnimPluginVerifier::ShowErrorNoteL( TInt aResourceId ) const
+ {
+ HBufC* errorText =
+ iCoeEnv->AllocReadResourceLC( aResourceId );
+ CAknInformationNote* note = new( ELeave ) CAknInformationNote( EFalse );
+ note->ExecuteLD( *errorText );
+ CleanupStack::PopAndDestroy( errorText ); // errorText
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::NewL
+// -----------------------------------------------------------------------------
+//
+CScreensaverRepositoryWatcher* CScreensaverRepositoryWatcher::NewL(
+ const TUid aUid,
+ const TUint32 aKey,
+ CCenRepNotifyHandler::TCenRepKeyType aKeyType,
+ TCallBack aCallBack,
+ CRepository* aRepository )
+ {
+ CScreensaverRepositoryWatcher* self = new( ELeave )
+ CScreensaverRepositoryWatcher( aUid, aKey, aCallBack, aRepository );
+
+ CleanupStack::PushL( self );
+ self->ConstructL( aKeyType );
+ CleanupStack::Pop( self );
+
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::NewL
+// -----------------------------------------------------------------------------
+//
+CScreensaverRepositoryWatcher* CScreensaverRepositoryWatcher::NewL(
+ const TUid aUid,
+ TCallBack aCallBack,
+ CRepository* aRepository )
+ {
+ CScreensaverRepositoryWatcher* self = new( ELeave ) CScreensaverRepositoryWatcher(
+ aUid, NCentralRepositoryConstants::KInvalidNotificationId, aCallBack, aRepository );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+
+ return self;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::~CScreensaverRepositoryWatcher
+// -----------------------------------------------------------------------------
+//
+CScreensaverRepositoryWatcher::~CScreensaverRepositoryWatcher()
+ {
+ if ( iNotifyHandler )
+ {
+ iNotifyHandler->StopListening();
+ delete iNotifyHandler;
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::CScreensaverRepositoryWatcher
+// -----------------------------------------------------------------------------
+//
+CScreensaverRepositoryWatcher::CScreensaverRepositoryWatcher(
+ const TUid aUid,
+ const TUint32 aKey,
+ TCallBack aCallBack,
+ CRepository* aRepository )
+ :
+ iUid( aUid ), iKey( aKey ), iCallBack( aCallBack ), iRepository( aRepository )
+ {
+ }
+
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::ConstructL(CCenRepNotifyHandler::TCenRepKeyType aKeyType)
+ {
+ iNotifyHandler = CCenRepNotifyHandler::NewL( *this, *iRepository, aKeyType, iKey );
+ iNotifyHandler->StartListeningL();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::ConstructL()
+ {
+ iNotifyHandler = CCenRepNotifyHandler::NewL( *this, *iRepository );
+ iNotifyHandler->StartListeningL();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::ChangedKey
+// -----------------------------------------------------------------------------
+//
+TUint32 CScreensaverRepositoryWatcher::ChangedKey()
+ {
+ return iChangedKey;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::HandleNotifyInt
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::HandleNotifyInt(
+ TUint32 aKey, TInt /*aNewValue*/ )
+ {
+ iChangedKey = aKey;
+ iCallBack.CallBack();
+ iChangedKey = NCentralRepositoryConstants::KInvalidNotificationId;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::HandleNotifyString
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::HandleNotifyString( TUint32 aKey,
+ const TDesC16& /*aNewValue*/ )
+ {
+ iChangedKey = aKey;
+ iCallBack.CallBack();
+ iChangedKey = NCentralRepositoryConstants::KInvalidNotificationId;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::HandleNotifyGeneric
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::HandleNotifyGeneric(TUint32 aKey)
+ {
+ iChangedKey = aKey;
+ iCallBack.CallBack();
+ iChangedKey = NCentralRepositoryConstants::KInvalidNotificationId;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverRepositoryWatcher::HandleNotifyError
+// -----------------------------------------------------------------------------
+//
+void CScreensaverRepositoryWatcher::HandleNotifyError(TUint32 /*aKey*/, TInt /*aError*/, CCenRepNotifyHandler* /*aHandler*/)
+ {
+ }
+
+// End of File