mmuifw_plat/alf_customlayoutmanagers_api/inc/alf/alflctanchorlayoutmanager.h
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/alf_customlayoutmanagers_api/inc/alf/alflctanchorlayoutmanager.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,112 @@
+/*
+* 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:  grid layout manager
+*
+*/
+
+
+#ifndef ALFLCTANCHORLAYOUTMANAGER_H
+#define ALFLCTANCHORLAYOUTMANAGER_H
+
+#include <osn/osndefines.h>
+#include <osn/osntypes.h>
+#include <memory>
+#include <alf/alflayoutmanager.h>
+#include <alf/alflayout.h>
+
+using std::auto_ptr;
+
+namespace Alf
+    {
+class IAlfWidgetControl;
+class AlfLCTAnchorLayoutPreferencesImpl;
+class AlfLCTAnchorLayoutPolicyImpl;
+
+/**
+ * Grid layout manager
+ *
+ * Layout manager handles the layouting of child widgets in the container widget.
+ * It uses IAlfLayoutPreferences-interface (@see IAlfLayoutPreferences) 
+ * of child widgets as a guide for laying out the widgets. The layoutmanager 
+ * is set to the IAlfHostApi- interface (@see IAlfHostApi::setBaseLayout)
+ * createLayout-method should be the first call after creating the layoutmanager. 
+ *
+ * @lib alfwidgetmodel.lib
+ * @since S60 ?S60_version
+ */
+class AlfLCTAnchorLayoutManager : public AlfLayoutManager
+    {
+    friend class AlfLCTAnchorLayoutPreferencesImpl;
+    friend class AlfLCTAnchorLayoutPolicyImpl;
+
+public:
+
+    /**
+     * layout manager constructor
+     *
+     */
+    AlfLCTAnchorLayoutManager();
+        
+    /**
+     * virtual destructor
+     */
+    virtual ~AlfLCTAnchorLayoutManager();
+    
+public:
+    //from IAlfLayoutManager
+            
+    /**
+     * from IAlfLayoutManager
+     * Notifies the layout manager, that the child control's layout
+     * must be updated
+     * 
+     * @param aControl control, which size has changed.
+     * @throw AlfVisualException(EInvalidVisual), if layout is not created.
+     */
+     virtual void updateChildLayout(CAlfWidgetControl* aControl);
+    
+    /**
+     * from IAlfLayoutManager
+     * Notifies the layout manager, that the control's has been
+     * removed from the layout.
+     * 
+     * @param aControl control, which has been removed from the layout.
+     * @throw AlfVisualException(EInvalidVisual), if layout is not created.
+     */    
+    virtual void childRemoved(CAlfWidgetControl* aControl);
+public:
+protected:
+ 
+    void doUpdateChildLayout(CAlfWidgetControl* aControl);
+// 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: // data
+    auto_ptr<AlfLCTAnchorLayoutPreferencesImpl> mDataPreferences;
+    auto_ptr<AlfLCTAnchorLayoutPolicyImpl> mDataPolicy;
+    };
+
+    } // namespace Alf
+
+#endif // ALFLCTANCHORLAYOUTMANAGER_H