/*

* Copyright (c) 2002-2006 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: 

*     CVRRecView is an CAknView inherited view class that implements

*     the recorder view functionality of Voicer Recorder.

*     It owns the view container (which, in turn, owns all the ui controls)

*     and the view model.

*

*/

#ifndef __CVRRECVIEW_H__

#define __CVRRECVIEW_H__

// INCLUDES

#include <aknview.h>

#include <VoiceRecorderContexts.h>

#include <voicerecorder.rsg>

#include "MVRSelectionProvider.h"

#include "MVRLayoutChangeObserver.h"

#include "voicerecorder.hrh"

#include "VRUSBStateHanlder.h"

// FORWARD DECLARATIONS

class CAknLaunchAppService;

class CSendUi;

class CVRRecViewContainer;

class CVRRecViewActivationContainer;

class CVRRecViewModel;

// CLASS DEFINITION

/**

 * CVRRecView is an CAknView inherited view class that implements

 * the recorder view functionality of Voicer Recorder.

 * It owns the view container (which, in turn, owns all the ui controls)

 * and the view model.

 */

class CVRRecView : public CAknView,

        public MVRSelectionProvider,

        public MVRLayoutChangeObserver,

        public MVRUSBStateObserver,

        public MProgressDialogCallback

    {

private:

    // nested classes

        /*

        * One shot class for model activation. Receives a pointer to

        * constructed CVRRecViewModel object and activates it asynchronically

        * when Activate() is called.

        */

        NONSHARABLE_CLASS( CVRRecViewModelActivator ) 

            : public CAsyncOneShot

            {

            public:  // constructor and destructor

                CVRRecViewModelActivator( CVRRecViewModel* aModel );

                ~CVRRecViewModelActivator(); 

            public: // New functions:

				/**

				 * Activate model in given context

                 */

                void Activate( TVRRecViewContexts aContext, TCallBack aCallback );

            private: // Functions from base classes

                /**

                 * From CActive.

                 */

                void RunL();

                void DoCancel();

            private: // Data:

                /*

                * State machine model, not owned

                */

                CVRRecViewModel* iModel;

				/*

				* Context that is used to activate model in RunL

				*/                

                TVRRecViewContexts iContext;

                /*

                * Callback that is called after model is activated

                */

                TCallBack iCallback;

            };

	public: // Constructors and destructor

		/**

		* Static constructor.

		* @param aViewResourceId The resource used in view construction.

		* @param aModelResourceId The resource used in model construction.

		*/

		IMPORT_C static CVRRecView* NewLC( TInt aViewResourceId,

										   TInt aModelResourceId );

		/**

		* Destructor

		*/

		~CVRRecView();

	private: // Constructors

		/**

		* Default constructor.

		* The inline saves a few bytes.

		*/

		inline CVRRecView() {};

		/**

		* 2nd phase constructor.

		* @param aViewResourceId The resource used in view construction.

		* @param aModelResourceId The resource used in model construction.

		*/

		void ConstructL( TInt aViewResourceId, TInt aModelResourceId );

	public: // from MVRSelectionProvider

		/**

		* Returns an array of currently selected files.

		* Ownership is transferred. Caller must destroy the returned array.

		* @param aStyle Used to return the style of selection

		*               (empty/focused/marked)

		* @return An array of selected files (0 or more).

		*/

		MDesCArray* GetSelectedFilesLC( TVRSelectionStyle& aStyle ) const;

		/**

		* Pass the file handle to recview.

		* Recorded memo is placed there.

		* @param aFile File handle

		*/

		void SetFileHandle( RFile& aFile );

		/**

		* Return the recorded open file handle

		* @param aFile File handle

		*/

		RFile& GetFile();		

	public: // from MVRLayoutChangeObserver

		/**

		* This method gets called by the AppUI when a dynamic layout change

		* event occurs.

		*/

		void LayoutChangedL( TInt aType );

	public: // from CAknView

		/**

		* Returns the id of the view.

		* @return KVRRecViewUID

		*/

		TUid Id() const;

		/**

        * Handles menu commands.

 		* @param aCommand Command identifier.

        */

		void HandleCommandL( TInt aCommandId );

	protected: // from CAknView

		/**

		* Dynamically initialises a menu pane. The Uikon framework calls this

		* function, immediately before the menu pane is activated.

		* @param aResourceId Resource ID identifying a menu pane to initialise

		* @param aMenuPane The in-memory representation of the menu pane.

		*/

		void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

        /** 

         * Foreground event handling function.

         *

         * Called by UI Framework when view switches to and from foreground

         *  

         * @param aForeground True if view is switched to foreground else false.

         */	

//		void HandleForegroundEventL( TBool aForeground );

	private: // from CAknView

        /**

 		* Is called by the framework when the view is activated.

		* @param aPrevViewId Id of the previous view that was active

		* @param aCustomMessageId Id of the custom message passed

		* @param aCustomMessage Descriptor containing the custom message data

        */

		void DoActivateL( const TVwsViewId& aPrevViewId,

						  TUid aCustomMessageId,

						  const TDesC8& aCustomMessage );

        /**

 		* Is called by the framework when the view is deactivated.

        */

		void DoDeactivate();

	protected: // from MCoeView

		/**

		* Is called by the view server when the application goes to background.

		*/

		void ViewDeactivated();

		/**

		* Is called by the view server when the application goes to the foreground.

		*/

		void ViewActivatedL(const TVwsViewId& aPrevViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage);

	public: // from CAknView

		/**

		* Returns a pointer to the CBA container

		* Calls base class Cba() (which is protected)

		*/

		CEikButtonGroupContainer* Cba() const;

    	/**

		* Returns a the StateId

		* 

		*/

        TUint GetStateId() const;

		/**

		* Returns embedding status.

		* @param ETrue if the current context is an embedded one.

		*/

		TBool IsEmbedded() const;

        /**

		* Returns the active quality setting.

		* @return Quality setting of the active memo

		*/

		TVRQuality Quality() const;

	private: // new methods

		/**

		* Dynamically adds a Send Via menu item plus associated cascade

		* to the given menu pane.

		* @param aResourceId Resource ID identifying a menu pane

		* @param aMenuPane The in-memory representation of the menu pane.

		*/

		void AddSendToMenuL( TInt aResourceId, CEikMenuPane* aMenuPane );

		/*

		* Trappable version of DoActivateL. Activates an empty UI container

		* and starts asynchronic model activation.

		* See CAknView::DoActivateL for parameters

		*/

		void ReallyDoActivateL( const TVwsViewId& aPrevViewId,

								  TUid aCustomMessageId,

								  const TDesC8& aCustomMessage );

    /*

     * Called by iModelActivator object after model has been

     * fully activated.

     * @param aRecView Always a valid pointer to CVRRecView object

     * @return Return value required by TCallBack, not used.

     */

    static TInt ActivationCallBack(TAny* aRecView);

    /*

     * Non-static method called by ActivationCallBack. Activates

     * the actual UI container and deletes the empty one.

     */

    void ActivateContainerL();    

public:

    virtual TInt HandleUsbPlugInL();

    virtual TInt HandleUsbPlugOutL();

    virtual void DialogDismissedL( TInt aButtonId );

private:

    // data

    /**

     * Pointer to the UI control container. Owned.

     */

    CVRRecViewContainer* iContainer;

    /**

     * Pointer to the container that is displayed during

     * model construction. Owned

     */

    CVRRecViewActivationContainer* iActivationContainer;

		/**

		* Pointer to the view model (statemachine). Owned.

		*/

		CVRRecViewModel* iModel;

		/**

		* SendUi used to implement the Send Via feature. Owned.

		*/

		CSendUi* iSendUi;			

		/**

		* One shot object that is used to activate model in correct context

		* asynchronically. Owned.

		*/

		CVRRecViewModelActivator* iModelActivator;

    /**

     * The command that passed to Handlecommand

     * 

     */

    TInt iCommand;

    CAknLaunchAppService* iLaunchService;

    CAknWaitDialog* iUsbWaitDialog;

    CVRUSBStateHanlder* iUSBStateHandler;

    };

#endif // __CVRRECVIEW_H__