/*

* Copyright (c) 2009 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 MEMSPYVIEWBASE_H

#define MEMSPYVIEWBASE_H

// System includes

#include <coecntrl.h>

#include <aknlists.h>

#include <memspyui.rsg>

// User includes

#include "MemSpy.hrh"

#include "MemSpyViewType.h"

#include "MemSpyViewObserver.h"

#include "MemSpySettings.h"

// Classes referenced

class CMemSpyEngine;

class CMemSpyContainer;

class MMemSpyViewObserver;

class CMemSpyViewBase : public CCoeControl, public MCoeControlObserver, public MEikListBoxObserver

    {

public:

    CMemSpyViewBase( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver );

    ~CMemSpyViewBase();

    virtual void ConstructL( const TRect& aRect, CCoeControl& aContainer, TAny* aSelectionRune = NULL );

public: // API

    virtual TMemSpyViewType ViewType() const = 0;

    virtual CMemSpyViewBase* PrepareParentViewL();

    virtual CMemSpyViewBase* PrepareChildViewL();

    virtual void RefreshL();

    virtual TBool HandleCommandL( TInt aCommand );

public: // Menu framework

    virtual void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

    virtual TUint MenuCascadeResourceId() const;

    virtual TInt MenuCascadeCommandId() const;

private: // Command handlers

    virtual void OnCmdViewOutputToSinkL();

protected: // Construction support

    void SetTitleL( const TDesC& aText );

    TPtrC TitleL() const;

    virtual CEikListBox* ConstructListBoxL();

    virtual void SetListBoxModelL() = 0;

protected: // Internal framework

    virtual void HandleListBoxItemActionedL( TInt aIndex );

    virtual void HandleListBoxItemSelectedL( TInt aIndex );

protected: // Event reporting

    void ReportEventL( MMemSpyViewObserver::TViewEventType aEvent, TAny* aContext = NULL );

    void SetListBoxCurrentItemIndexL( TInt aIndex );

protected: // Utility methods

    CMemSpyContainer& Container();

    CMemSpySettings& Settings();

    const CMemSpySettings& Settings() const;

public: // From CCoeControl

	TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

protected: // From CCoeControl

    void Draw( const TRect& aRect ) const;

    void SizeChanged();

    void FocusChanged( TDrawNow aDrawNow );

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl( TInt aIndex ) const;

protected: // From MCoeControlObserver

    void HandleControlEventL( CCoeControl* aControl,TCoeEvent aEventType );

protected: // From MEikListBoxObserver

    void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType);

protected: // Member data

    CMemSpyEngine& iEngine;

    MMemSpyViewObserver& iObserver;

    //

    CEikListBox* iListBox;

private:

    CMemSpySettings* iSettings;

    };

#endif