--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsuis_plat/svgt_viewer_ui_api/inc/SVGTAppObserver.h	Wed Sep 01 12:29:59 2010 +0100
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2004,2005 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:  Mixin Class that defines the call back interface used
+*                by application using the SVGT Control.
+*
+*/
+
+
+#ifndef SVGTAPPOBSERVER_H
+#define SVGTAPPOBSERVER_H
+
+/**
+*  MSvgtAppObserver is an interface class used by SVGT control to callback to
+*   the application.
+*  @lib SVGTUIControl.lib
+*  @since 3.0
+*/
+
+class MSvgtAppObserver
+{
+    public: 
+
+           
+        /**
+        * This method is called to retrieve the absolute path of an image gvien
+        * the uri. The SVGT control requests the absolute path to provide the     
+        * client with control of the location of the images.
+        * @since 3.0
+        * see MSvgRequestObserver::FetchImage
+        */                                       
+        virtual TInt  FetchImage( const TDesC& aUri, 
+             RFs& aSession, RFile& aFileHandle ) = 0;                                  
+                                  
+        /**
+        * This method is called to notify the client that a link has been
+        * activated.
+        *
+        * @since 3.0
+        * @param : aUri -- URI string of hyperlink
+        * @return : For future use.  Value is ignored.
+        */
+        virtual TBool LinkActivated( const TDesC& aUri ) = 0 ;
+
+         /**
+         * This method is called to notify the client that a link has been
+         * activated.  When Show is also present .
+         *
+         * @since 3.0
+         * @param : aUri -- URI string of hyperlink
+         * @param : aShow -- xlink:show value
+         * @return : For future use.  Value is ignored.
+         */
+        virtual TBool LinkActivatedWithShow( const TDesC& aUri, 
+                                             const TDesC& aShow ) = 0;
+                                             
+        /**
+        * This method is called to notify the client that download menu has 
+        * been selected in the UI dialog
+        * @since 3.0     
+        */                                             
+        virtual void DisplayDownloadMenuL( void ) = 0;
+
+        /**
+        * This method is called to get the SMIL fit value to be used by the
+        * engine.
+        * @since 3.0     
+        */                                             
+        virtual void GetSmilFitValue( TDes& aSmilValue ) = 0;
+                                                     
+        /**
+        * This method is called to check from the client if Save option
+        * should be displayed.
+        *
+        * @since 3.0
+        * @return : ETrue: Save can be shown. EFalse: Save can't be shown.
+        */
+        virtual TBool CanShowSave() = 0;
+
+        /**
+        * This method is called to check from the client if Saving 
+        * is done already
+        *
+        * @since 3.0
+        * @return : ETrue: The content is saved
+        *           EFalse: content is not saved
+        */
+        virtual TBool IsSavingDone() = 0;
+        
+        /**
+        * This method is called to check from the client if Downloads option
+        * should be displayed.
+        *
+        * @since 3.0
+        * @return : ETrue: Downloads can be shown. 
+        *           EFalse: Downloads can't be shown.
+        */
+        virtual TBool CanShowDownload() const = 0;
+
+
+        /**
+        * This method is called to perform the save operation. 
+        * Note the Save functionality depends on the client invoking
+        * the dialog. E.g. Browser->SVGT-Viewer->Dialog then save
+        * results in Move operation to save memory.
+        * param aButtonId context in which save is called
+        * @since 3.0
+        * @return : void.
+        */
+
+        virtual void DoSaveL( TInt aButtonid ) = 0;
+
+        /**
+        * This method is called to retrieve the absolute path of an image given
+        * the uri. The SVGT control requests the absolute path to provide the     
+        * client with control of the location of the images. This function should
+        * be an asynchronous, i.e. it should not block.
+        * On completion of fetching of the file, it should notify the control
+        * using AssignImageData() function
+        * @since 3.1
+        * see MSvgRequestObserver::ImageDataReference
+        */                                       
+        virtual TInt NewFetchImageData( const TDesC& aUri ) = 0;
+
+        /**
+        * This method is called instead of NewFetchImageData in case the image 
+        * is defined as part of the SVG content itself i.e. inline using base-64
+        * encoding for eg.
+        * @since 3.1
+        * see MSvgRequestObserver::ImageDataReference
+        */                                       
+        virtual void AssignEmbededDataL( const TDesC& aUri ) = 0;
+        virtual TBool ExitWhenOrientationChange() = 0 ; 
+};
+#endif
+// End of File