/*

* Copyright (c) 2007 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:  FreestyleEmailUi download manager visualiser definition 

*

*/

#ifndef __FREESTYLEEMAILUI_DOWNLOADMANAGERVISUALISER_H__

#define __FREESTYLEEMAILUI_DOWNLOADMANAGERVISUALISER_H__

// SYSTEM INCLUDES

//<cmail>

#include "fstreelistconstants.h"

#include "fstreelistobserver.h"

//</cmail>

// INTERNAL INCLUDES

#include "FreestyleEmailUiViewBase.h"

#include "FreestyleEmailUiAttachmentsListModel.h"

// FORWARD DECLARATIONS

class CAlfDeckLayout;

class CAlfAnchorLayout;

class CFsTreeList;

class CFsTreeVisualizerBase;

class CFreestyleEmailUiDownloadManagerControl;

class CFreestyleEmailUiAppUi;

class CFsControlBar;

class CFSEmailUiDownloadManagerModel;

/**

 * Download manager visualiser.

 */

class CFSEmailUiDownloadManagerVisualiser : public CFsEmailUiViewBase,

    public MFSEmailUiAttachmentsStatusObserver, public MFsTreeListObserver

	{

public:

	static CFSEmailUiDownloadManagerVisualiser* NewL(CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi, CAlfControlGroup& aControlGroup);

	static CFSEmailUiDownloadManagerVisualiser* NewLC(CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi, CAlfControlGroup& aControlGroup);

    virtual ~CFSEmailUiDownloadManagerVisualiser();

	// from MFSEmailUiAttachmentsStatusObserver

	virtual void DownloadStatusChangedL( TInt aIndex );

	// from MFsTreeListObserver

	// <cmail> Touch

    virtual void TreeListEventL( const TFsTreeListEvent aEvent, 

                                    const TFsTreeItemId aId = KFsTreeNoneID );

    // </cmail>

    // From CAknView

	TUid Id() const;			   

    // <cmail> Toolbar

	/*void DoActivateL(const TVwsViewId& aPrevViewId,

	                 TUid aCustomMessageId,

	                 const TDesC8& aCustomMessage);*/

    // </cmail> Toolbar

	void ChildDoDeactivate();                

	void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);

	// From CFsEmailUiViewBase 

	void HandleDynamicVariantSwitchL( CFsEmailUiViewBase::TDynamicSwitchType aType );

    void HandleDynamicVariantSwitchOnBackgroundL( CFsEmailUiViewBase::TDynamicSwitchType aType );

    void GetParentLayoutsL( RPointerArray<CAlfVisual>& aLayoutArray ) const;

	// Refresh

	void RefreshL();

	// Mail list current model data

	CFSEmailUiDownloadManagerModel* Model();

	// Highlighted index

	TInt HighlightedIndex();

	void ReScaleUiL();

	void ResetColorsL();

	void SetMskL();

	// Event handling forwarded from control

	TBool OfferEventL( const TAlfEvent& aEvent ); 

	void HandleCommandL(TInt aCommand);

	CAlfControl* ViewerControl();

	void HandleMailBoxEventL( TFSMailEvent aEvent, TFSMailMsgId aMailbox, 

		TAny* aParam1, TAny* /*aParam2*/, TAny* /*aParam3*/ );

// <cmail> Toolbar    

private: // from

    /**

     * @see CFsEmailUiViewBase::ChildDoActivateL

     */

    void ChildDoActivateL( const TVwsViewId& aPrevViewId,

            TUid aCustomMessageId,

            const TDesC8& aCustomMessage );

// </cmail> Toolbar    

private:

	CFSEmailUiDownloadManagerVisualiser( CAlfEnv& aEnv,

	    CFreestyleEmailUiAppUi* aAppUi, CAlfControlGroup& aControlGroup );

	void ConstructL();

    TBool IsCommandAvailableOnItem( TInt aCommandId, const TAttachmentData* aFocusedItem ) const;

    HBufC* CreateSecondLineTextLC( const TAttachmentData& aAttachment ) const;

    void TryToOpenItemL( TFsTreeItemId aId );

    void RemoveAttachmentL( TFsTreeItemId aId );

	void LaunchActionMenuL();

	void ShortcutCollapseExpandAllToggleL();

	void GoToTopL();

	void GoToBottomL();

	void SetMailboxNameToStatusPaneL();

private:

    // Reference to Alf environment

    CAlfEnv& iEnv;

  	// Screen control

    CFreestyleEmailUiDownloadManagerControl* iScreenControl;

  	// Control bar  

	CFsControlBar* iControlBar;

  	// Mail List 

  	CFsTreeList* iDownloadManagerList;

    CFSEmailUiDownloadManagerModel* iModel; 

  	CFsTreeList* iDownloadsList;

 	CAlfDeckLayout* iListLayout;

    CFsTreeVisualizerBase* iDownloadManagerTreeListVisualizer;

  	TFsTreeItemId iHeaderItemId;

  	};

#endif