camerauis/cameraapp/generic/inc/camvfgridinterface.h
changeset 0 1ddebce53859
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/camvfgridinterface.h	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,65 @@
+/*
+* 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:
+*
+*/
+
+#ifndef CAMVIEWFINDERGRID_H
+#define CAMVIEWFINDERGRID_H
+
+#include <e32base.h>
+
+class CBitmapContext;
+/**
+* Interface for viewfinder grid usage.
+*/
+class MCamVfGridDrawer
+  {
+  public:
+    virtual void  InitL( TAny* aParam ) = 0;
+
+    virtual void  Draw( CBitmapContext& aGc ) const = 0;
+
+    virtual void  Draw( const TRect&          aRect,
+                              CBitmapContext& aGc    ) const = 0;
+
+    virtual void  SetVisible( TBool aVisible ) = 0;
+
+    virtual TBool IsVisible() const = 0;
+    
+    // Essential to be able to destroy via mixin pointer.
+    // Otherwise delete causes USER 42 panic.
+    virtual ~MCamVfGridDrawer() 
+      {}; 
+  };
+
+
+
+/**
+* Factory class to instantiate viewfinder grid.
+*/
+class CCamVfGridFactory : public CBase
+  {
+  public:
+    /**
+    * CreateVfGridDrawer
+    * @param  aUid The implementation id of grid drawer.
+    * @return      Pointer to object of the implementing class
+    *              or NULL if uid not supported.
+    */
+    static MCamVfGridDrawer* CreateVfGridDrawerL( TUid aUid );
+  };
+
+
+#endif