/*

* 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:  Setting page for Image/Video quality.*

*/

#ifndef GSCAMQUALITYSETTINGPAGE_H

#define GSCAMQUALITYSETTINGPAGE_H

//  INCLUDES

#include <aknsettingpage.h>

#include "CamSettingsInternal.hrh"

// FORWARD DECLARATIONS

class CGSCamQualitySettingContainer;

class MAknQueryValue;

class MCamAppController;

// CLASS DECLARATION

/**

*  Setting page for the quality control. This setting page is customised

*  so that it contains a custom control and not the editor control

*  supplied by CAknSettingPage. The base class doesn't allow for custom

*  controls to be used in settings pages, so this class provides this

*  functionality.

*

*  @since 2.8

*/

class CGSCamQualitySettingPage : public CAknSettingPage

	{

public: // Constructors, etc.

	/**

	* Construct the quality setting page

    * @since 2.8

    * @param aMode           The current capture mode

    * @param aSettingTitleText	    Text at top of setting pane

    * @param aSettingNumber		    Number at top left (if present)

    * @param aControlType			Determines the type constructed and how its resource is read

    * @param aEditorResourceId	    Editor resource to use in the setting page (if present)

    * @param aSettingPageResourceId	Setting Page to use (if present)

    * @param aQueryValue			reference to a query value object

	*/

	CGSCamQualitySettingPage( TCamCameraMode aMode, 

                              TDesC& aSettingTitleText,

                              TInt aSettingNumber, 

                              TInt aControlType,

                              TInt aEditorResourceId, 

                              TInt aSettingPageResourceId,

                              MAknQueryValue& aQueryValue );

    /**

	* Destructor

    * @since 2.8

	*/

    ~CGSCamQualitySettingPage();

    /**

    * Symbian 2nd phase constructor.

    * @since 2.8

    */

    void ConstructL();

public: // Functions from base classes

    /**

    * From CAknSettingPage

    * Called when the state of the quality control changes.

    * Used to preview the new setting value

    * @since 2.8

    */

    void UpdateSettingL();

    /**

    * From CAknSettingPage

    * Processes events from the softkeys. Responds to EAknSoftkeyOk and EAknSoftkeyBack

    * to accept or cancel the pop-up.

    * @since 2.8

    * @param aCommandId	Event Id from the soft-key

    */

    void ProcessCommandL( TInt aCommandId );

    /**

    * From CAknSettingPage

    * Puts up a constructed dialog. Part of the non-waiting API calls.    

    * Activity to perform as soon as the setting page is displayed

    * @since 2.8

    * @return Whether check succeeded

    */

    TBool PostDisplayCheckL();

    /**

    * From CAknSettingPage

    * Used to inform the setting item that a new value has been selected

    * @since 2.8

    */

    void SelectCurrentItemL();

    /**

    * From CCoeControl

    * Standard Constructs the control from the resource

    * @since 2.8

    * @param	aReader	The resource reader

    */

    void ConstructFromResourceL( TResourceReader& aReader );

    /**

    * From CCoeControl

    * Standard CCoeControl routine to return the number of component controls

    * @since 2.8

    * @return the number of component controls

    */

	TInt CountComponentControls() const;

    /**

    * From CCoeControl

    * Standard CCoeControl routine to return the control at a given index

    * @since 2.8

    * @param anIndex index at which to return control

    * @return the control at the given index

    */ 

    CCoeControl* ComponentControl( TInt anIndex ) const;

    /**

    * From CCoeControl

    * Used the draw the setting page

    * @since 2.8

    * @param aRect the invalid rect to draw

    */ 

    void Draw( const TRect& aRect ) const;

    /**

    * From CCoeControl

    * Called when the size of the setting page changes

    * @since 2.8

    */ 

    void SizeChanged();

    /**

    * From CCoeControl

    * Used to handle key events

    * @since 2.8

    * @param aKeyEvent the key event to handle

    * @param aType the type of key event

    * @return whether the key was handled

    */ 

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

private:

    /**

    * Called when the setting value is to be previewed

    * @since 2.8

    * @param aPtr pointer to the object that called the timer

    * @return Error code

    */

    static TInt PreviewSettingChange( TAny* aPtr );

private: // data

    // used to inform the setting item of a change in setting page

    MAknQueryValue& iQueryValue;

    // the app controller

    MCamAppController& iController;

    // the current capture mode

    TCamCameraMode iMode;

    // Used to perform the preview setting change

    CPeriodic* iTimer;

    // the custom control (quality container ) used in this setting page

    CGSCamQualitySettingContainer* iQualityContainer;

    // the setting item

    TInt iSettingItemId;

    // the current value of the setting item

    TInt iCurrentVal;

	};

#endif // GSCAMQUALITYSETTINGPAGE_H

// End of File