/*

* Copyright (c) 2005 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:  View for Display settings.

*

*/

#ifndef GSDISPLAYPLUGIN_H

#define GSDISPLAYPLUGIN_H

// INCLUDES

#include <aknsettingpage.h>

#include <ConeResLoader.h>

#include <gsplugininterface.h>

#include <gsfwviewuids.h>

#include <gsbaseview.h>

#include <MMGFetchVerifier.h>

#include <mgsasyncimagehandlingobserver.h>

#include <backgroundimage.h>

#include <eikmenup.h>

#ifdef FF_POWER_SAVE

    #include <psmtypes.h>

#endif // FF_POWER_SAVE

// CONSTANTS

const TUid KGSDisplayPluginUid = { 0x10207441 };

_LIT( KGSDefaultDisplayIconFileName, "Z:\\resource\\apps\\GSDisplayplugin.mbm");

_LIT( KGSDisplayPluginIconFileName, "\\resource\\apps\\GSDisplayplugin.mif");

const TInt KGSOpLogoLbxIndexOn = 0;

const TInt KGSOpLogoLbxIndexOff = 1;

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD CLASS DECLARATION

class CAknViewAppUi;

class CAknWaitDialog;

class CAknRadioButtonSettingPage;

//class CAknQueryDialog;

class CGSDisplayPluginContainer;

class CGSDisplayPluginModel;

#ifdef FF_POWER_SAVE

    class CGSDisplayPluginAO;

#endif // FF_POWER_SAVE

// CLASS DECLARATION

/**

*  CGSDisplayPlugin view class

*

*  Plugin implementation for Display settings

*  @lib GSDisplayPlugin.lib

*  @since Series 60_3.1

*/

class CGSDisplayPlugin : public CGSBaseView, 

                         public MAknSettingPageObserver,

                         public MMGFetchVerifier,

                         public MGSAsyncImageHandlingObserver

    {

    public:

       enum TGSSettingIds

            {

            KGSContrastSettingId,

            KGSBrightnessSettingId,

            KGSSaverObjectSettingId,

            KGSAutodisconSettingId,

            KGSWelcomeNoteSettingId,

            KGSAmbientLightSensorId

            };

    public: // Constructors and destructor

        /**

        * Symbian OS two-phased constructor

        * @return GS connection view.

        */

        static CGSDisplayPlugin* NewL( TAny* aInitParams );

        /**

        * Destructor.

        */

        ~CGSDisplayPlugin();

    public: // from base classes

        /**

        * Returns view id.

        * @return TUid

        */

        TUid Id() const;

        /**

        * Handles commands.

        * @param aCommand Command to be handled.

        * 

        */

        void HandleCommandL( TInt aCommand );

    public: // From CGSPluginInterface

        /**

        * @see CGSPluginInterface header file.

        */

        void GetCaptionL( TDes& aCaption ) const;

        /**

        * @see CGSPluginInterface header file.

        */

        TInt PluginProviderCategory() const;

        /**

        * See base class.

        */

        CGulIcon* CreateIconL( const TUid aIconType );

    public: // from MAknSettingPageObserver

        /**

        * Handle setting page events

        */

        virtual void HandleSettingPageEventL( CAknSettingPage* aSettingPage,

                                            TAknSettingPageEvent aEventType );

    public: //new

        /**

        * Updates listbox's item's value.

        * @param aItemId An item which is updated.

        * 

        */

        void UpdateListBoxL( TInt aItemId );

        /**

        * Get CGSDisplayPlugin's ccontainer.

        */

        CGSDisplayPluginContainer* Container();

        /**

        * Updates display plugin view.

        */

        void UpdateViewL();

        void CloseDialog();

    protected: // From CAknView 

        void DoActivateL( const TVwsViewId& aPrevViewId,

                          TUid aCustomMessageId,

                          const TDesC8& aCustomMessage );

        void DoDeactivate();

    protected: // From MEikMenuObserver

        void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

    protected:

        /**

        * C++ default constructor.

        */

        CGSDisplayPlugin();

        /**

        * Symbian OS default constructor.

        * 

        */

        void ConstructL();

        void HandleClientRectChange();

    private: // from CGSBaseView

        void NewContainerL();

        void HandleListBoxSelectionL();

    private: //from MMGFetchVerifier

        /**

        * Display Backlight setting page

        */

        TBool VerifySelectionL( const MDesCArray* aSelectedFiles );

    private: //from MGSSyncImageHandlingObserver

        /**

        * Display Welcome note image list from media gallery

        */

        void ImageHandlingCompleteL( TInt aError );

    private: //new methods

        /**

        * Display Constrast setting page

        */

        void ShowContrastSettingPageL();

        /**

        * Display Brightness setting page

        */

        void ShowBrightnessSettingPageL();

        /**

        * Display ALS setting page

        */

        void ShowAmbientLightSensorSettingPageL();

        /**

        * Display Screen saver timeout setting page

        */

        void ShowScreenSaverPeriodSettingPageL();

        /**

        * Display Backlight setting page

        */

        void ShowBacklightSettingPageL();

        /**

        * Display Welcome note setting page

        */

        void ShowWelcomeNoteSettingPageL();

        /**

        * Display Welcome note text input dialog

        */

        void ShowWelcomeNoteTextQueryL();

        /**

        * Display Welcome note image list from media gallery

        */

        void ShowWelcomeNoteImageListL();

        /**

        * Show display text size setting page

        */

        void ShowDisplayTextSizeSettingPageL();

        /**

        * Display Power save LED setting page

        * @param aSettingPage ETrue if setting page is to be shown

        *                     EFalse, otherwise

        */

        void ShowPowerSaveLedSettingPageL( TBool aSettingPage );

        /**

        * Display load wait-note dialog during image loading

        */

        void ShowImageLoadWaitNoteL();

        /**

        * Hide load wait-note dialog after the image is loaded

        */

        void HideImageLoadWaitNoteL();

        /**

        * Check if the input file is DRM protected

        * @param aOriginalFileName Path of the bitmap file

        * @return ETrue if file is DRM protected.

        *         EFalse otherwise.

        */

        TBool CheckDRMProtectionL( const TDesC& aOriginalFileName );

        /**

        * Handle any errors during image processing

        * @param aError system wide error code

        */

        void HandleImageErrorsL( TInt aError );

        /**

        * Changes operator logo value.

        * @param aUseSettingPage ETrue if setting page should be used.

        *                        EFalse is just switch between the values.

        */

        void ChangeOperatorLogoSettingL( TBool aUseSettingPage );

        /**

        * Displays operator logo setting page.

        * @param aOperatorLogoValue current operator logo value.

        */

        TBool ShowOperatorLogoSettingPageL( TInt& aOperatorLogoValue );

#ifdef FF_POWER_SAVE    

        /**

         *  Displays blocking note. Used if PSM is on.

         */

        void DisplayBlockNoteL();

#endif // FF_POWER_SAVE

    protected:

        //check if screen saver text is to be updated

        TBool iUpdateSSText;

        //check if welcome note is supported

        TBool iUpdateWNote;

        // for load wait dialog

        CAknWaitDialog* iWaitDialog;

        CAknRadioButtonSettingPage* iOprtLogoSettingPage;

    private:

        // plugin model

        CGSDisplayPluginModel *iModel;

        // resource loader

        RConeResourceLoader iResourceLoader;

        //for image handling

        CGSAsyncImageHandling* iImageHandler;

        //welcome note type: none, text, image       

        TInt iWelcomeNoteType;

        TBool iReshowOprtSetPage;

#ifdef FF_POWER_SAVE

        // Active object for handling PSM realted CenRep events.

        CGSDisplayPluginAO* iPsmActive;

#endif // FF_POWER_SAVE

        // Prevent multiple launch the MFetch.

        TBool iLaunchedImageFetch;

    };

    #endif // GSDISPLAYPLUGIN_H

//End of File