widgetmodel/alfwidgetmodel/src/alfanchorlayoutmanager.cpp
changeset 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/src/alfanchorlayoutmanager.cpp	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,124 @@
+/*
+* 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:  anchorlayoutmanager with focus handling in 1D (next/previous)
+*
+*/
+
+
+#include <alf/alfanchorlayoutmanager.h>
+#include <alf/alfexceptions.h>
+#include <alf/alfwidgetcontrol.h>
+#include <osn/ustring.h>
+#include <osn/osnnew.h>
+
+#include "alfanchorlayoutmanagerimpl.h"
+
+using osncore::UString;
+
+using namespace Alf;
+
+namespace Alf
+    {
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// layout manager constructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfAnchorLayoutManager::AlfAnchorLayoutManager() 
+    : AlfLayoutManager(EAlfLayoutTypeAnchor)
+    {
+    mData.reset(new (EMM) AlfAnchorLayoutManagerImpl(*this));
+    }
+        
+// ---------------------------------------------------------------------------
+// virtual destructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfAnchorLayoutManager::~AlfAnchorLayoutManager()
+    {
+    }
+    
+// ---------------------------------------------------------------------------
+// from AlfLayoutManager
+// notifies the layout manager, that the child control's layout
+// must be updated.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfAnchorLayoutManager::updateChildLayout(
+    CAlfWidgetControl* aControl)
+    {
+    CAlfLayout& layout = getLayout();
+    doUpdateChildLayout(aControl);
+    layout.UpdateChildrenLayout();
+
+    //doUpdateChildLayout changes the visual size and position.
+    //need to notify the widget that size and position has changed.
+    
+    //set the size and postion for aControl
+    TAlfRealRect rect;
+    if (controlRect(*aControl, rect)) //returns the real rect (of the root visual)
+        {
+        setControlRect(*aControl, rect);
+        }
+
+    // Inform parent layout manager about the changed presentation size
+    owner().updateParentLayout();
+    }
+        
+// ---------------------------------------------------------------------------
+// from IAlfLayoutManager
+// notifies the layout manager, that the control's has been
+// removed from the layout.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfAnchorLayoutManager::childRemoved(CAlfWidgetControl* aControl)
+    {
+    //when control is removed from layout, no change to other widget rects,
+    // just call the base class
+    AlfLayoutManager::childRemoved(aControl);
+    }
+    
+// ---------------------------------------------------------------------------
+// from AlfLayoutManager
+// notifies the layout manager, that the child control's layout
+// must be updated.
+// ---------------------------------------------------------------------------
+//    
+OSN_EXPORT void AlfAnchorLayoutManager::doUpdateChildLayout(
+    CAlfWidgetControl* /*aControl*/)
+    {
+    //anchorlayout changes the position and size, nothing to do here.
+    }
+
+// ---------------------------------------------------------------------------
+// From class IAlfInterfaceBase.
+// Getter for interfaces provided by the element.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT IAlfInterfaceBase* AlfAnchorLayoutManager::makeInterface( 
+    const IfId& aType )
+    {
+    UString param(aType.mImplementationId);
+    if (param == IAlfLayoutManager::type().mImplementationId)
+        {
+        return this;
+        }      
+
+    // Let the implementation class try the interface creation
+    IAlfInterfaceBase* pInterface = mData->makeInterface(aType);
+    return pInterface;
+    }
+ } // Alf