--- a/widgetmodel/alfwidgetmodel/inc/alflayoutmanagerimpl.h Mon Jun 21 16:15:51 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,251 +0,0 @@
-/*
-* 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: layoutmanager implementation header.
-*
-*/
-
-
-#ifndef ALFLAYOUTMANAGERIMPL
-#define ALFLAYOUTMANAGERIMPL
-
-#include <osn/osndefines.h>
-#include <alf/alflayoutmanager.h>
-#include <alf/ialflayoutpreferences.h>
-
-using std::auto_ptr;
-
-namespace Alf
- {
-
-class CAlfWidgetControl;
-class IAlfWidget;
-class IAlfLayoutPreferences;
-
-/**
- * layoutmanager implementation class
- *
- * @lib alfwidgetmodel.lib
- * @since S60 ?S60_version
- */
-class AlfLayoutManagerImpl : public IAlfLayoutPreferences
- {
-public:
- /**
- * layout manager constructor
- *
- * @param aLayoutType type of layout used by the manager.
- */
- AlfLayoutManagerImpl(TAlfLayoutType aLayoutType);
-
- /**
- * destructor
- */
- ~AlfLayoutManagerImpl();
-
- /**
- * creates the layout used by the layoutmanager.
- *
- * @param aOwner, owner-control of the the created layout.
- * @param aParentLayout parent for the created layout
- * @param aLayoutIndex index, where created visual should be placed in the parent layout.
- */
- void createLayout(CAlfWidgetControl& aOwner, CAlfLayout* aParentLayout,
- int aLayoutIndex);
-
- /**
- * returns the layout used by layoutmanager.
- *
- * @return layout used by this layoutmanager.
- */
- CAlfLayout& getLayout() const;
-
- /**
- * updates the main layout
- */
- void updateMainLayout();
-
- /**
- * notifies the layout manager, that the control's has been
- * removed from the layout.
- *
- * @param aControl control, which size has changed.
- */
- void childRemoved(CAlfWidgetControl* aControl);
-
- /**
- * notifies the layout manager, that the child control's layout
- * must be updated.
- *
- * @param aControl control, which size or position has changed.
- */
- void doUpdateChildLayout(CAlfWidgetControl* aControl);
-
- /**
- * returns the rect of the control.
- *
- * @param aControl, control, which size is queried.
- * @param aRect, will receive the rect of aControl.
- */
- bool controlRect(CAlfWidgetControl& aControl, TAlfRealRect& aRect);
-
- /**
- * sets the size and position to the widget.
- *
- * @param aWidget, widget, which size and position is being set.
- * @param aRect, rect for aWidget
- */
- void setWidgetRect(IAlfWidget& aWidget, const TAlfRealRect &aRect);
-
- /**
- * sets the position to the widget.
- *
- * @param aWidget, widget, which position is being set.
- * @param aPos, position for aWidget
- */
- void setWidgetPosition(IAlfWidget& aWidget, const TAlfRealPoint &aPos);
-
- /**
- * sets the size to widget.
- *
- * @param aWidget, widget, which size is being set.
- * @param aSize, new size for aWidget.
- */
- void setWidgetSize(IAlfWidget& aWidget, const TAlfRealPoint &aSize);
-
- /**
- * updates widget size and position properties for all the children
- * to correct sizes and positions of the root visuals.
- */
- void updateAllWidgetRects();
-
- /**
- * @return the child visual count
- */
- int count() const;
-
- /**
- * returns the control at aIndex.
- *
- * @param aIndex index for the control.
- * @return control at aIndex
- */
- CAlfWidgetControl* getControl(int aIndex) const;
-
- /**
- * @return the owner control of the layoutmanager.
- */
- CAlfWidgetControl& owner() const ;
-
-public:
-// from base class IAlfLayoutPreferences
-
- /**
- * Returns the minimum size of the layout by combining the minimum sizes of the
- * layed out visuals.
- *
- * @param aMinSize The minimum size that the object would like to be laid out to
- * @return false iff none of the layed out UI elements do not care about minimum size
- */
- virtual bool getMinimumSize( TAlfXYMetric& aMinSize ) const;
-
- /**
- * Returns the maximum size of the layout by combining the maximum sizes of the
- * layed out visuals.
- *
- * @param aMaxSize The maximum size that the object would like to be laid out to
- * @return false iff none of the layed out UI elements do not care about maximum size
- */
- virtual bool getMaximumSize( TAlfXYMetric& aMaxSize ) const;
-
- /**
- * Returns the size combined by all preferred sizes of child UI elements in this layout
- * when they are being layed out according to the layout manager rules.
- *
- * @param aPreferredSize Filled with the referred area occupied by child elements when
- * layed out by layouting rules in this layout manager.
- * @return False if none of the child components report their preferred size. True
- * otherwise.
- */
- virtual bool getPreferredSize(TAlfXYMetric& aPreferredSize) const;
-
- /**
- * Set the preferred size into a presentation object.
- *
- * This is not supported on the layout manager. Users should set preferred sizes of the
- * contained UI elements.
- */
- virtual void setPreferredSize( const TAlfXYMetric& aPreferredSize );
-
- /**
- * returns the layout preferences for a control
- *
- * @param aControl control instance
- * @return layout preferences for a control.
- */
- const IAlfLayoutPreferences* getLayoutPreferences(CAlfWidgetControl* aControl) const;
-
-public:
-// from base class IAlfInterfaceBase
-
- /**
- * Interface getter.
- * @see IAlfInterfaceBase::MakeInterface
- *
- * @since S60 ?S60_version
- * @param aType The type id of the queried interface.
- * @return The queried interface, or NULL if the interface is not
- * supported or available.
- */
- virtual IAlfInterfaceBase* makeInterface( const IfId& aType );
-
-private:
-
- /**
- * returns the control, which owns the visual
- *
- * @param aVisual visual, which the control owns.
- * @return control, which owns the visual at aIndex.
- */
- CAlfWidgetControl* getControl(CAlfVisual& aVisual) const;
-
- /**
- * finds the root visual for a control
- *
- * @param aControl control, which rootvisual is searched
- * @return root visual
- */
- CAlfVisual* findRootVisual(CAlfWidgetControl* aControl) const;
-
- /**
- * checks, that layout is created. If not, throws an exception.
- */
- void checkLayout() const;
-
-private:
-
- /**
- * the layout created and used by the layout manager.
- * Destroyed along with instance of this class.
- */
- auto_ptr<CAlfLayout> mLayout;
-
- /**
- * the layout type of mLayout
- */
- TAlfLayoutType mLayoutType;
- };
-
- } // namespace Alf
-
-#endif // ALFLAYOUTMANAGERIMPL