--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/src/alfflowlayoutmanager.cpp Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,128 @@
+/*
+* 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: flowlayoutmanager implementation
+*
+*/
+
+
+#include <alf/alfexceptions.h>
+#include <alf/alfwidgetcontrol.h>
+#include <alf/alfflowlayoutmanager.h>
+#include <osn/ustring.h>
+#include <osn/osnnew.h>
+
+#include "alfflowlayoutpolicyimpl.h"
+#include "alfflowlayoutpreferencesimpl.h"
+
+using osncore::UString;
+
+using namespace Alf;
+
+namespace Alf
+ {
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// layout manager constructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfFlowLayoutManager::AlfFlowLayoutManager()
+ : AlfLayoutManager(EAlfLayoutTypeFlow)
+ {
+ mData.reset(new (EMM) AlfFlowLayoutPolicyImpl(*this));
+ mPrefImpl.reset(new (EMM) AlfFlowLayoutPreferencesImpl(*this));
+ }
+
+// ---------------------------------------------------------------------------
+// virtual destructor
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfFlowLayoutManager::~AlfFlowLayoutManager()
+ {
+ }
+
+// ---------------------------------------------------------------------------
+// from AlfLayoutManager
+// notifies the layout manager, that the child control's layout
+// must be updated.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfFlowLayoutManager::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.
+ //for aControl both the size and position might have changes.
+ //Only the position changes for all the controls after aControl.
+
+ //set the size and postion for aControl
+ TAlfRealRect rect;
+ if (controlRect(*aControl, rect)) //returns the real rect (of the root visual)
+ {
+ setControlRect(*aControl, rect);
+ }
+
+ //update the position for controls after aControl in layout.
+ const int childrenCount = count();
+ bool childControlFound = false;
+
+ for (int i = 0; i < childrenCount; i++)
+ {
+ CAlfWidgetControl* child = getControl(i);
+
+ if (childControlFound && controlRect(*child, rect))
+ {
+ setControlPosition(*child, rect.iTl);
+ }
+ else if (child == aControl)
+ {
+ childControlFound = true;
+ }
+ }
+
+ // Inform parent layout manager about the changed presentation size
+ owner().updateParentLayout();
+ }
+
+// ---------------------------------------------------------------------------
+// From class IAlfInterfaceBase.
+// Getter for interfaces provided by the element.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT IAlfInterfaceBase* AlfFlowLayoutManager::makeInterface(
+ const IfId& aType )
+ {
+ UString param(aType.mImplementationId);
+ IAlfInterfaceBase* ret = 0;
+
+ ret = mData->makeInterface(aType);
+ if (!ret)
+ {
+ ret = mPrefImpl->makeInterface(aType);
+ }
+ if (!ret)
+ {
+ ret = AlfLayoutManager::makeInterface(aType);
+ }
+
+ return ret;
+ }
+
+ } // Alf
+