/*

* 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 attachments list visualiser definition 

*

*/

#ifndef __FREESTYLEEMAILUI_ATTACHMENTSLISTVISUALISER_H__

#define __FREESTYLEEMAILUI_ATTACHMENTSLISTVISUALISER_H__

// SYSTEM INCLUDES

//<cmail>

#include "fstreelistobserver.h"

#include "fsccontactactionmenudefines.h"

//</cmail>

// INTERNAL INCLUDES

#include "FreestyleEmailUiViewBase.h"

#include "FreestyleEmailUiAttachmentsListModel.h"

// FORWARD DECLARATIONS

class CAlfDeckLayout;

class CAlfAnchorLayout;

class CFsTreeList;

class CFsTreeVisualizerBase;

class CFreestyleEmailUiAttachmentsListControl;

class CFreestyleEmailUiAppUi;

class CFsControlBar;

class CFsTreePlainOneLineNodeVisualizer;

struct TAttachmentData;

/**

 * Attachment list visualiser.

 */

// <cmail>

class CFSEmailUiAttachmentsListVisualiser : public CFsEmailUiViewBase,

    public MFSEmailUiAttachmentsStatusObserver, public MFsTreeListObserver, public MFsActionMenuPositionGiver

    {

// </cmail>

public: // constructors and destructor

    /**

     *  Two-phased constructor.

     *  

     * @param aEnv Reference to Alfred environment.

     * @param aAppUi Pointer to app ui.

     * @param aControlGroup Reference to visualiser's control group.

     */

    static CFSEmailUiAttachmentsListVisualiser* NewL( CAlfEnv& aEnv,

        CFreestyleEmailUiAppUi* aAppUi, CAlfControlGroup& aControlGroup );

    /**

     * @see CFSEmailUiAttachmentsListVisualiser::NewL

     */

    static CFSEmailUiAttachmentsListVisualiser* NewLC( CAlfEnv& aEnv,

        CFreestyleEmailUiAppUi* aAppUi, CAlfControlGroup& aControlGroup );

    /** Destructor. */

    virtual ~CFSEmailUiAttachmentsListVisualiser();

public: // from CAknView

// from base class MFsTreeListObserver

    /** Handles events from the tree list. */

    // <cmail> Touch

    void TreeListEventL( const TFsTreeListEvent aEvent, 

                         const TFsTreeItemId aId,

                         const TPoint& aPoint );

    TPoint ActionMenuPosition();

    // </cmail>

    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 );

public: // from CFsEmailUiViewBase

	void HandleDynamicVariantSwitchL( TDynamicSwitchType aType );

    void HandleDynamicVariantSwitchOnBackgroundL( TDynamicSwitchType aType );

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

public: // from MFSEmailUiAttachmentsStatusObserver

    void DownloadStatusChangedL( TInt aIndex );

public: // new methods

    // Mail list current model data

    CFSEmailUiAttachmentsListModel* Model();

    // Sets softkeys

    void SetViewSoftkeysL( TInt aResourceId );	

    void CreateHeadersAndSeparatorsL();

    void MoveItemToNodeL( TFsTreeItemId aItemId, TFsTreeItemId aTargetNodeId );

    void SetMskL();

    // Event handling forwarded from control

    TBool OfferEventL( const TAlfEvent& aEvent ); 

    void HandleCommandL( TInt aCommand );

    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 );

    /**

     *  @see CFsEmailUiViewBase::OfferToolbarEventL

     */

    void OfferToolbarEventL( TInt aCommand );

    /**

     * @see CFsEmailUiViewBase::ToolbarResourceId

     */

    TInt ToolbarResourceId() const;

// </cmail> Toolbar     

private: // constructors

    // C++ Constructor.

    CFSEmailUiAttachmentsListVisualiser( CAlfEnv& aEnv,

        CFreestyleEmailUiAppUi& aAppUi, CAlfControlGroup& aControlGroup );

    // Second phase constructor.

    void ConstructL();

private: // new methods

    // Refresh list, recreates it from empty

    void RefreshL( TPartData aPart );

    void ReScaleUiL();

    void ResetColorsL();

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

    HBufC* CreateSecondLineTextLC( const TAttachmentData& aAttachment ) const;

    void TryToOpenItemL( TFsTreeItemId aId );

    void RemoveAttachmentContentL( TFsTreeItemId aId );

    // launches action menu

    void LaunchActionMenuL();

    void ShortcutCollapseExpandAllToggleL();

    void GoToTopL();

    void GoToBottomL();

    void SetupTitlePaneTextL();

    //<cmail> Not used anywhere anymore.

    //</cmail>

    CAlfControl* ViewerControl();

    void DoFirstStartL();

    void UpdateSize();

    //<cmail> touch

    void DoHandleActionL( );    

    //</cmail> touch

private: // data

    // Reference to Alf environment

    CAlfEnv& iEnv;

    // Screen control

    CFreestyleEmailUiAttachmentsListControl* iScreenControl;

    CFSEmailUiAttachmentsListModel* iModel; 

    CFsTreeList* iAttachmentsList;

    CAlfDeckLayout* iListLayout;

    CAlfAnchorLayout* iAnchorLayout;

    CFsTreeVisualizerBase* iAttachmentsTreeListVisualizer;

    TFsTreeItemId iDownloadedNode;

    TFsTreeItemId iNotDownloadedNode;

// <cmail> Prevent Download Manager opening with attachments 

    //TFsTreeItemId iDownloadManagerLink;

// </cmail>

    //not owned

    CFsTreePlainOneLineNodeVisualizer* iDownloadedVisualiser;

    //not owned

    CFsTreePlainOneLineNodeVisualizer* iNotDownloadedVisualiser;

    // The text shown in the title pane when this view was activated

    //<cmail> removed as not used anywhere.

	//</cmail>

    TBool iFirstStartCompleted;

    // Flag for embedded message mode

    TBool iEmbeddedMsgMode;

    };

#endif