/*

* Copyright (c) 2002 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: 

*   Heading pane

*

*/

#ifndef AKNPOPUPHEADINGPANE_H

#define AKNPOPUPHEADINGPANE_H

// INCLUDES

#include <AknControl.h>

#include <eikbtgpc.h>

#include <AknUtils.h>

#include <aknappui.h>

#include <aknPopup.h>

#include <gulicon.h>

// FORWARD DECLARATIONS

class CAknTextControl;

class CEikImage;

class CAknBitmapAnimation;

class CAknPopupHeadingAttributes;

class CAknPopupHeadingPaneExtension;

class MAknHeadingPaneTouchObserver;

// CLASS DECLARATION

/**

 * Header control for queries.

 * Defines properties of the header of the pop-up menu.

 *

 * @since Series 60 0.9

 */

class CAknPopupHeadingPane : public CAknControl

{

    public:

        /**

        * Enumeration for different layouts

        */

        enum THeadingPaneLayout

            {

            /** Query mode layout for heading pane */

            EQueryHeadingPane,

            /** List mode layout for heading pane */

            EListHeadingPane,

            /** Heading pane for colour selection list. @since 3.0 */

            EColourSelectionGridHeadingPane,

            /** Heading pane for message query. @since 3.0 */

            EMessageQueryHeadingPane

            };

    public:

         /**

         * Constructor.

         */      

		IMPORT_C CAknPopupHeadingPane();

         /**

         * Destructor.

         */  		

        IMPORT_C ~CAknPopupHeadingPane();

         /**

         * From @c CCoeControl.

         * Responds to size changes to sets the size and position of the

         * contents of the heading pane.

         */   

        IMPORT_C void SizeChanged();

         /**

         * From @c CCoeControl.

         * Get the minimum required size of heading pane.

         * @return The minimum required size of heading pane.

         */          

        IMPORT_C TSize MinimumSize();

         /** 

         * Completes the construction of the @c CAknPopupHeadingPane object.

         * Layout is set to @c EQueryHeadingPane by default.

         * @param aText Header text.

         */       

        IMPORT_C void ConstructL(TPtrC aText);

         /** 

         * From @c CCoeControl.

         * Constructs heading pane from a resource file.

         * Current resource reader position must point to @c AVKON_HEADING

         * resource.

         * @param aReader The resource reader with which to access the header

         * resource values.

         */        

        IMPORT_C void ConstructFromResourceL(TResourceReader &aReader);

         /** 

         * Get pointer to the prompt control.

         * @return A pointer to the prompt control.

         */

        IMPORT_C CEikLabel *Prompt() const;

         /** 

         * Get prompt text.

         * @return A prompt text.   

         */       

		IMPORT_C TPtr PromptText() const;

        /** 

         * Set header text.

         * @param aText A header text.   

         */

        IMPORT_C void SetTextL(TPtrC aText);

         /** 

         * Set header image. Gets the ownership of the image.

         * @param aImage A  header image.   

         */      

        IMPORT_C void SetHeaderImageOwnedL(CEikImage *aImage);

          /** 

         * Set header image.

         * @param aImage A header image.   

         */      

        IMPORT_C void SetHeaderImageL(CEikImage *aImage);

        /** 

         * Set header animation by reading @c BMPANIM_DATA resource.

         * @param aResourceId A resource identifier for the header animation.

         */

        IMPORT_C void SetHeaderAnimationL(TInt aResourceId);	

        /**

         * Set layout of the heading pane.

         * @param aLayout A layout of the heading pane.

         */        	

        IMPORT_C void SetLayout( THeadingPaneLayout aLayout );

        /**

         * Start the animation.

         */

        IMPORT_C void StartAnimationL();

        /**

         * Cancel the animation.

         * Calls @c RBitmapAnim::CommandReply(EBitmapAnimCommandStopAnimation).

         * @return A value defined by the animation writer. The value may, 

         * in some cases, be defined to be an error code.

         */        

        IMPORT_C TInt CancelAnimation();

    public: 

         /**

         * From @c CCoeControl. 

         * Activates popup heading. Calls @c CCoeControl::ActivateL().

         */   

        virtual void ActivateL();

    	IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

		 /**

	     * Handles a change to the control's resources of type aType

	     * which are shared across the environment, e.g. colors or fonts.

	     *

	     * @since 3.1

	     */

	     IMPORT_C void HandleResourceChange(TInt aType);

    private:

        /**

        * From CAknControl

        */

        IMPORT_C void* ExtensionInterface( TUid aInterface );

    private:

        TInt CountComponentControls() const;

        CCoeControl* ComponentControl(TInt anIndex) const;

        IMPORT_C virtual void Draw(const TRect& aRect) const;

		void DoSetPromptL();

		void LayoutQueryHeadingPane();

		void LayoutListHeadingPane();

		void LayoutColourSelectionGridHeadingPane();

		void LayoutMessageQueryHeadingPane();

	private:

        //TAknLayoutRect     iLayoutLine; // Not used

        CAknPopupHeadingPaneExtension*	iExtension;  // was TAknLayoutRect iLayoutLine

        TAknLayoutRect     iLayoutHeading;

        CAknTextControl*   iPrompt;

        CEikImage*         iHeaderImage;

        CAknBitmapAnimation* iAnimation;

        TInt               iHeadingLayoutRef;

		CAknPopupHeadingAttributes* iAttributes; // was THeadingPaneLayout iLayout;

	private: // new methods

		void SetAnimationBackGroundFrameL();

    public: // new methods

        void SetPageL(TInt aCurrent, TInt aMax=0);

         /** 

         * Set heading frame ids. These can be used to override default ids.

         * @param aFrameId / aFrameCenterId Ids of heading's frame..   

         */

		IMPORT_C void SetSkinFrameId(const TAknsItemID &aFrameId);

		IMPORT_C void SetSkinFrameCenterId(const TAknsItemID &aFrameCenterId);

		/**

		 * Set the heading pane touch observer. The observer must derive from MAknHeadingPaneTouchObserver

		 * and implement method HandleHeadingPanePointerEventL().

		 */

		void SetTouchObserver( MAknHeadingPaneTouchObserver* aTouchObserver );

    private:

        HBufC* PageTextL() const;

};

#endif