/*

 * Copyright (c) 2008-2009 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:    AppUi class 

 *

 */

#ifndef C_GLXIVIEWERAPPUI_H

#define C_GLXIVIEWERAPPUI_H

#include <aknViewAppUi.h>

#include <mpxcollectionobserver.h>

#include <mglxnavigationalstateobserver.h>

#include <mpxcollectionpath.h>

#include "glxiadupdate.h"

class MMPXViewUtility;

class MMPXCollectionUtility;

class CGlxUiUtility;

class CGlxNavigationalState;

class CAknGlobalNote;

class CGlxBackServiceWrapper;

/**

 *  CGlxIVwrAppUi

 *

 *  @lib ViewerApplication

 */

class CGlxIVwrAppUi : public CAknViewAppUi, public MGlxNavigationalStateObserver

    {

public:

    CGlxIVwrAppUi();

    void ConstructL();

    ~CGlxIVwrAppUi();

public: // from CAknAppUi

    /**

     * From CAknAppUi

     * Handle user menu selections

     * @param aCommand Id of the command

     */

    void HandleCommandL(TInt aCommand);

    // From MGlxNavigationalStateObserver

    void HandleNavigationalStateChangedL();

    //OOM Method

    void HandleApplicationSpecificEventL(TInt aEventType, const TWsEvent& aWsEvent);

private:    // From CEikAppUi

    TBool ProcessCommandParametersL(TApaCommand aCommand,

            TFileName& aDocumentName, const TDesC8& aTail);

private: // From CCoeAppUi

    void HandleForegroundEventL( TBool aForeground );

private:

    enum TEntryType

        {

        EEntryTypeStartUp = 0,

        EEntryTypeFocusGained

        };

    /**

     * Handle an activation message.

     * @param aCommand command data sent from the activating application.

     * @param aDocumentName image file name data sent from the activating application.

     * @param aData Message data from activating application.

     */

    void HandleActivationMessageL(const TApaCommand& aCommand, const TFileName& aDocumentName, const TDesC8& aData);

    /**

     * Set activation parameter for startup view, converting to 16-bit

     * descriptor used by MPX.

     * @param aParam Activation parameter.

     */

    void SetActivationParamL(const TDesC8& aParam);

    /**

     * Get view scoring ids based on current navigational state

     * (using Get in the name since the function does not return anything)

     * @param aIns list that will be populated with scoring ids

     */

    void GetViewScoringIdsL( RArray<TUid>& aIds ) const;

    /**

     * Get view scoring id for collection plugin

     * @param naviState Path to represent navigational state

     * @return scoding id

     */

    TUid GetViewScoringIdForCollectionPlugin( const CMPXCollectionPath& aNaviState ) const;

    /**

     * Get view scoring id for depth in ui hierarchy

     * @param naviState Path to represent navigational state

     * @return scoding id

     */

    TUid ViewScoringIdForNaviStateDepth( const CMPXCollectionPath& aNaviState ) const;

    /**

     * close photos app.

     */

    void CloseImgVwr();

private:

    MMPXViewUtility* iViewUtility;

	/// Singleton that stores gallery's navigational state

    CGlxNavigationalState* iNavigationalState;

    /** Optional view plugin UID to activate when the collection is opened */

    TUid iStartupViewUid;

    /** Optional activation parameter for the next view */

    HBufC* iActivationParam;

    TBool iStartUpSequence;

    ///Ui utility

    CGlxUiUtility* iUiUtility;

    CGlxBackServiceWrapper* iBSWrapper;

    };

#endif // C_GLXIVIEWERAPPUI_H