uifw/EikStd/coctlsrc/aknresourceprovider.cpp
changeset 0 2f259fa3e83a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlsrc/aknresourceprovider.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2008-2008 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:  Resource provider
+*
+*/
+
+
+#include "aknresourceprovider.h"
+#include "aknresourceitem.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAknResourceProvider* CAknResourceProvider::NewL()
+    {
+    CAknResourceProvider* self = new ( ELeave ) CAknResourceProvider;
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknResourceProvider::~CAknResourceProvider()
+    {
+    iResourceArray.ResetAndDestroy();
+    }
+
+
+// ----------------------------------------------------------------------------
+// Returns a resource item duplicate by the resource item id.
+// ----------------------------------------------------------------------------
+//
+TInt CAknResourceProvider::GetResourceL( TUint aId,
+                                        MAknResourceItem*& aResource )
+    {
+    for ( int i = 0; i < iResourceArray.Count(); i++ )
+        {
+        if ( iResourceArray[i]->Id() == aId )
+            {
+            aResource = iResourceArray[i]->DuplicateL();
+            return aId;
+            }
+        }
+    return KErrNotFound;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Handles resource changes, for example layout and skin changes.
+// ---------------------------------------------------------------------------
+//
+void CAknResourceProvider::HandleResourceChange( TInt aType )
+    {
+    for ( int i = 0; i < iResourceArray.Count(); i++ )
+        {
+        if ( iResourceArray[i]->Invalidate( aType ) )
+            {
+            DeleteResourceByIndex( i );
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Adds the given resource item to the resource array. If there
+// exists a resource item with the same id in the array, it is first removed.
+// ---------------------------------------------------------------------------
+//
+void CAknResourceProvider::SetResourceL( TUint aId, 
+                                        const MAknResourceItem* aResource )
+    {
+    for ( int i = 0; i < iResourceArray.Count(); i++ )
+        {
+        if ( iResourceArray[i]->Id() == aId )
+            {
+            DeleteResourceByIndex( i );
+            }
+        }
+    iResourceArray.AppendL( aResource );
+    }
+
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code that might leave.
+// ---------------------------------------------------------------------------
+//
+CAknResourceProvider::CAknResourceProvider()
+    {
+    // No implementation required
+    }
+
+
+// ---------------------------------------------------------------------------
+// Deletes a resource item in the resource array by the specified index.
+// ---------------------------------------------------------------------------
+//
+void CAknResourceProvider::DeleteResourceByIndex( TUint aIndex )
+    {
+    if ( aIndex < iResourceArray.Count() )
+        {
+        MAknResourceItem* removeItem = iResourceArray[aIndex];
+        iResourceArray.Remove( aIndex );
+        delete removeItem;
+        }
+    }