/*

* 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:  AppUI class for the SVGT Viewer.

*

*/

#ifndef SVGTVIEWERAPPAPPUI_H

#define SVGTVIEWERAPPAPPUI_H

#include <SVGTAppObserver.h>

#include <downloadmgrclient.h>

// FORWARD DECLARATIONS

class CAknAppUi;

class CSVGTViewerAppAppView;

class CSVGTUIDialog;

class CDownloadMgrUiUserInteractions;       

class CDownloadMgrUiDownloadsList;      

class CDownloadMgrUiLibRegistry;

class CSVGTViewerAppDownloads;

class CSVGTAppObserverUtil;

class CSvgtViewerAppView;

// CLASS DECLARATION

/**

*  CSVGTViewerAppAppUi is the AppUI class for the SVGT Viewer

*  @since 3.0

*/

class CSVGTViewerAppAppUi : public CAknAppUi

    {

    public: // Constructors and destructor

        /**

        * C++ default constructor.

        */

        CSVGTViewerAppAppUi();

        /**

        * Second Phase constructor.

        */

        void ConstructL();

        // Destructor

        virtual ~CSVGTViewerAppAppUi();

    public: // New functions

        /**

        * Handle open command from document class.

        * @since 3.0

        * @param  aFileHandle - File Fandle to the SVGT file.

        */

        virtual void OpenFileL( RFile& aFileHandle );

        /**

        * This function is used to set the move option, the

        * Move allowed or not decision is done by the document

        * class and it calls this function to inform the UI class

        * about the decision.

        * @param: aMoveAllowed, ETrue: Move allowed, EFalse: 

        *   Move Not allowed.

        * @since 3.0

        */

        void SetAllowMove(TInt32 aMoveAllowed);

    public: // Functions from base classes

        /**

        * From CAknAppUi

        * @see CAknAppUi::HandleCommandL

        */

        virtual void HandleCommandL( TInt aCommand );

        /**

        * From CAknAppUi

        * @see CAknAppUi::OpenFileL

        */

        virtual void OpenFileL( const TDesC& aFilename );

        /**

        * From CAknAppUi

        * @see CAknAppUi::ProcessCommandParametersL

        */

        virtual TBool ProcessCommandParametersL(TApaCommand aCommand,

            TFileName& aDocumentName, const TDesC8& aTail );

        /**

        * From CAknAppUi

        * @see CAknAppUi::HandleScreenDeviceChangedL

        */

        void HandleScreenDeviceChangedL();

        /**

        * From CAknAppUi

        * @see CAknAppUi::HandleResourceChangeL

        */

        void HandleResourceChangeL( TInt aType );

    private: 

        /**

        * From CEikAppUi, called when event occurs of type EEventFocusLost

        * or EEventFocusGained.

        * @param aForeground ETrue if the application is in the foreground,

        * otherwise EFalse

        */

        void HandleForegroundEventL(TBool aForeground);                           

        /**

        * Used to find out if video call is going on.

        * @since 3.0

        */   

        TBool IsVideoCall() const;

        /**

        * Used to check if the application has started any embedded app.

        * @since 3.0

        * return: ETrue: If there is an embedded app, EFalse otherwise.

        */ 

        TBool IsEmbeddedAppRunning() const;

        /**

        * Used to set internal state if the application has started 

        * any embedded app.

        * @since 3.0

        */

        void SetEmbeddedAppRunning();

        /**

        * Used to set internal state if the embedded app started 

        * previously gets closed.

        * @since 3.0

        */

        void ResetEmbeddedAppRunning();

        /**

        * Used to callback by the idle timer in order to launch the dialog

        * @since 3.0

        */

        static TInt CallBackFuncL(TAny *aPtr);

        /**

        * This function accesses the document and launches the content

        * using the UI Dialog.

        * return: ETrue When file handle is not valid

        *         EFalse When file handle is valid

        * @since 3.0

        */

        TBool LaunchDialogL();

        /**

        * This function is used to detect how we are launched. 

        * Embedded or Standalone.

        * return: ETrue: Embedded mode, EFalse: Standalone mode.

        * @since 3.0

        */

        TBool WeAreEmbedded() const;

        /**

        * This function is used to decide if the "save" option

        * should be shown in the UI. "Save" is shown if we

        * are launched from messaging/mms/mail/browser.

        * return: ETrue: Show save, EFalse: Do not show save.

        * @since 3.0

        */

        TBool CanShowSave() const;

        /**

        * This function is used to decide if the Save operation

        * should actually do a move. This is required if we

        * are launched from browser/downloadmgr and file

        * needs to be moved instead of copying to save disk

        * space. 

        * @since 3.0

        */

        TBool ShouldMoveContent() const;

        /**

        * This function checks whether the file is local or remote

        * @since 3.1

        */

        TBool IsLocalFile() const;

        /**

        * This function checks whether the filepath of the content 

        * opened is in the PHONE_MEMORY_IMAGES_PATH or 

        * MEMORYCARD_IMAGES_PATH

        * @param aFileHandle  Filehandle to check the path

        * @since 3.1

        */

        TBool IsLocalFileL( RFile& aFileHandle ) const;

    private:    // Data

        CSvgtViewerAppView* iContainer;

        // Pointer to the SVGT Dialog

        CSVGTUIDialog* iAppDialog;        

        // Pointer to Hyperlink Handler

        CSVGTAppObserverUtil*  iAppObserver;    

        TBool iEmbeddedAppRunning;

        CPeriodic* iIdleTimer;

        TBool iMoveAllowed;

    };

#endif // __SVGTVIEWERAPPAPPUI_H__

//End of File