--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/securitydialogs/lockapp/src/lockappobserverlist.cpp Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2007 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: Lock App internal state control
+ *
+*/
+
+
+#include "lockappstatecontrol.h"
+#include "lockappstatepublisher.h"
+#include "lockappkeyguardcontrol.h"
+#include "lockapputils.h"
+#include "lockappecsdetector.h"
+
+const TInt KLockAppObserverListGranularity = 4;
+
+// ---------------------------------------------------------------------------
+// Standard C++ constructor
+// ---------------------------------------------------------------------------
+CLockAppObserverList::CLockAppObserverList( )
+ {
+ // no implementation required
+ }
+
+// ---------------------------------------------------------------------------
+// Destroys the observer list and all existing observers.
+// ---------------------------------------------------------------------------
+CLockAppObserverList::~CLockAppObserverList( )
+ {
+ if ( iObserverList )
+ {
+ TInt count = iObserverList->Count( );
+ for (TInt index=0; index<count; index++ )
+ {
+ delete (*iObserverList)[index];
+ }
+ iObserverList->Reset( );
+ delete iObserverList;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// Adds lock state observer to the observer list.
+// ---------------------------------------------------------------------------
+void CLockAppObserverList::AddObserverL( MLockAppStateObserver* aObserver )
+ {
+ if ( aObserver )
+ {
+ TBool found(EFalse);
+ // check that the observer has not been added before
+ TInt count = iObserverList->Count( );
+ for ( TInt index=0; index<count; index++ )
+ {
+ if ( ((*iObserverList)[index]) == aObserver )
+ {
+ found = ETrue;
+ }
+ }
+ if ( !found )
+ {
+ iObserverList->AppendL( aObserver );
+ }
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// Removes lock state observer from the observer list.
+// ---------------------------------------------------------------------------
+void CLockAppObserverList::RemoveObserver( MLockAppStateObserver* aObserver )
+ {
+ if ( aObserver )
+ {
+ TInt count = iObserverList->Count( );
+ for ( TInt index=0; index<count; index++ )
+ {
+ if ( ((*iObserverList)[index]) == aObserver )
+ {
+ iObserverList->Remove( index );
+ return;
+ }
+ }
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// Constructs the observer list.
+// ---------------------------------------------------------------------------
+void CLockAppObserverList::BaseConstructL( )
+ {
+ // create observer list
+ iObserverList = new (ELeave) RPointerArray<MLockAppStateObserver>(KLockAppObserverListGranularity);
+ }
+
+// ---------------------------------------------------------------------------
+// Not implemented, meant for derived classes
+// ---------------------------------------------------------------------------
+void CLockAppObserverList::HandleLockStatusChangedL( TLockStatus /*aLockStatus*/)
+ {
+ }
+
+// ---------------------------------------------------------------------------
+// Informs observers that the lock state has changed.
+// ---------------------------------------------------------------------------
+void CLockAppObserverList::PostStatusChangeL( TLockStatus aStatusChange )
+ {
+ // first inform the main control
+ HandleLockStatusChangedL( aStatusChange );
+
+ // for child observers
+ TInt count = iObserverList->Count( );
+ for ( TInt index=count-1; index>=0; index-- )
+ {
+ //TRAP_IGNORE
+ ((*iObserverList)[index])->HandleLockStatusChangedL( aStatusChange );
+ }
+ }