svgtviewer/SvgtViewerPlugin/AppInc/SVGTViewerAppAppUi.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 12:28:38 +0300
branchRCL_3
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/*
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* Copyright (c) 2004,2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  AppUI class for the SVGT Viewer.
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*
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*/
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#ifndef SVGTVIEWERAPPAPPUI_H
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#define SVGTVIEWERAPPAPPUI_H
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#include <SVGTAppObserver.h>
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#include <downloadmgrclient.h>
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// FORWARD DECLARATIONS
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class CAknAppUi;
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class CSVGTViewerAppAppView;
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class CSVGTUIDialog;
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class CDownloadMgrUiUserInteractions;       
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class CDownloadMgrUiDownloadsList;      
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class CDownloadMgrUiLibRegistry;
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class CSVGTViewerAppDownloads;
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class CSVGTAppObserverUtil;
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class CSvgtViewerAppView;
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// CLASS DECLARATION
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/**
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*  CSVGTViewerAppAppUi is the AppUI class for the SVGT Viewer
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*  @since 3.0
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*/
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class CSVGTViewerAppAppUi : public CAknAppUi
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    {
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    public: // Constructors and destructor
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        /**
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        * C++ default constructor.
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        */
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        CSVGTViewerAppAppUi();
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        /**
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        * Second Phase constructor.
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        */
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        void ConstructL();
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        // Destructor
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        virtual ~CSVGTViewerAppAppUi();
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    public: // New functions
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        /**
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        * Handle open command from document class.
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        * @since 3.0
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        * @param  aFileHandle - File Fandle to the SVGT file.
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        */
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        virtual void OpenFileL( RFile& aFileHandle );
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        /**
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        * This function is used to set the move option, the
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        * Move allowed or not decision is done by the document
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        * class and it calls this function to inform the UI class
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        * about the decision.
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        * @param: aMoveAllowed, ETrue: Move allowed, EFalse: 
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        *   Move Not allowed.
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        * @since 3.0
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        */
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        void SetAllowMove(TInt32 aMoveAllowed);
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    public: // Functions from base classes
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        /**
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        * From CAknAppUi
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        * @see CAknAppUi::HandleCommandL
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        */
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        virtual void HandleCommandL( TInt aCommand );
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        /**
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        * From CAknAppUi
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        * @see CAknAppUi::OpenFileL
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        */
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        virtual void OpenFileL( const TDesC& aFilename );
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        /**
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        * From CAknAppUi
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        * @see CAknAppUi::ProcessCommandParametersL
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        */
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        virtual TBool ProcessCommandParametersL(TApaCommand aCommand,
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            TFileName& aDocumentName, const TDesC8& aTail );
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        /**
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        * From CAknAppUi
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        * @see CAknAppUi::HandleScreenDeviceChangedL
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        */
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        void HandleScreenDeviceChangedL();
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        /**
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        * From CAknAppUi
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        * @see CAknAppUi::HandleResourceChangeL
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        */
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        void HandleResourceChangeL( TInt aType );
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    private: 
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        /**
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        * From CEikAppUi, called when event occurs of type EEventFocusLost
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        * or EEventFocusGained.
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        * @param aForeground ETrue if the application is in the foreground,
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        * otherwise EFalse
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        */
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        void HandleForegroundEventL(TBool aForeground);                           
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        /**
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        * Used to find out if video call is going on.
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        * @since 3.0
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        */   
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        TBool IsVideoCall() const;
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        /**
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        * Used to check if the application has started any embedded app.
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        * @since 3.0
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        * return: ETrue: If there is an embedded app, EFalse otherwise.
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        */ 
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        TBool IsEmbeddedAppRunning() const;
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        /**
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        * Used to set internal state if the application has started 
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        * any embedded app.
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        * @since 3.0
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        */
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        void SetEmbeddedAppRunning();
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        /**
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        * Used to set internal state if the embedded app started 
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        * previously gets closed.
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        * @since 3.0
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        */
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        void ResetEmbeddedAppRunning();
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        /**
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        * Used to callback by the idle timer in order to launch the dialog
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        * @since 3.0
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        */
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        static TInt CallBackFuncL(TAny *aPtr);
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        /**
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        * This function accesses the document and launches the content
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        * using the UI Dialog.
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        * return: ETrue When file handle is not valid
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        *         EFalse When file handle is valid
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        * @since 3.0
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        */
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        TBool LaunchDialogL();
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        /**
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        * This function is used to detect how we are launched. 
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        * Embedded or Standalone.
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        * return: ETrue: Embedded mode, EFalse: Standalone mode.
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        * @since 3.0
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        */
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        TBool WeAreEmbedded() const;
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        /**
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        * This function is used to decide if the "save" option
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        * should be shown in the UI. "Save" is shown if we
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        * are launched from messaging/mms/mail/browser.
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        * return: ETrue: Show save, EFalse: Do not show save.
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        * @since 3.0
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        */
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        TBool CanShowSave() const;
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        /**
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        * This function is used to decide if the Save operation
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        * should actually do a move. This is required if we
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        * are launched from browser/downloadmgr and file
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        * needs to be moved instead of copying to save disk
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        * space. 
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        * @since 3.0
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        */
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        TBool ShouldMoveContent() const;
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        /**
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        * This function checks whether the file is local or remote
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        * @since 3.1
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        */
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        TBool IsLocalFile() const;
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        /**
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        * This function checks whether the filepath of the content 
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        * opened is in the PHONE_MEMORY_IMAGES_PATH or 
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        * MEMORYCARD_IMAGES_PATH
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        * @param aFileHandle  Filehandle to check the path
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        * @since 3.1
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        */
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        TBool IsLocalFileL( RFile& aFileHandle ) const;
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    private:    // Data
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        CSvgtViewerAppView* iContainer;
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        // Pointer to the SVGT Dialog
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        CSVGTUIDialog* iAppDialog;        
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        // Pointer to Hyperlink Handler
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        CSVGTAppObserverUtil*  iAppObserver;    
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        TBool iEmbeddedAppRunning;
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        CPeriodic* iIdleTimer;
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        TBool iMoveAllowed;
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    };
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#endif // __SVGTVIEWERAPPAPPUI_H__
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//End of File