/*

* Copyright (c) 2005-2007 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:  Popup toolbar component

*

*/

#ifndef __AKNTOOLBAR_H__

#define __AKNTOOLBAR_H__

//  INCLUDES

#include <avkon.hrh> // TAknOrientation

#include <AknControl.h> // CCoeControl

#include <coecobs.h>    // MCoeControlObserver

#include <eikcmobs.h>   // MEikCommandObserver

#include <AknPopupFader.h>

#include <babitflags.h>

#include <AknsItemID.h>

// FORWARD DECLARATIONS

class CAknButton;

class CAknToolbarItem;

class CAknToolbarExtension;

class MAknToolbarObserver;

class CEikButtonGroupContainer;

class TAknWindowComponentLayout;

class CAknsFrameBackgroundControlContext;

class CAknsBasicBackgroundControlContext;

// DisableToolbarL leaves with this value if toolbar is shown, since toolbar

// should not be shown when disabling/enabling toolbar. 

const TInt KErrToolbarShown = -101;   

// CLASS DECLARATION

/**

*  The class to provide toolbar for the application

*

*  @lib eikcoctl.lib

*  @since Series 60 3.1

*/

class CAknToolbar : public CAknControl, public MCoeControlObserver, 

    public MCoeControlBackground, public MEikCommandObserver, 

    public MAknFadedComponent

    {

    public: //Enumerations: 

    enum TEventModifiers {

        ELongPress = 1,

        ELongPressEnded = 2,

    };

    public: // Constructors and destructor

        /**

         * Two-phased constructor.

         *

         * @param aResourceId The ID for this component's resource

         * @return Pointer to the created toolbar object

         */

        IMPORT_C static CAknToolbar* NewL( const TInt aResourceId );

        /**

         * Two-phased constructor.

         *

         * @param aResourceId The ID for this component's resource

         * @return Pointer to the created toolbar object

         */

        IMPORT_C static CAknToolbar* NewLC( const TInt aResourceId );

        /**

         * Destructor

         */

        ~CAknToolbar();

    public: // From base class

        /**

         * From CCoeControl.

         * Gets the number of controls contained in a compound control.

         *

         * @return The number of component controls contained by this control.

         */

         IMPORT_C TInt CountComponentControls() const;

         /**

         * From CCoeControl.

         * Gets the specified component of a compound control.

         *

         * @param aIndex The index of the control to get

         * @return The component control with an index of aIndex.

         */

        IMPORT_C CCoeControl* ComponentControl( TInt aIndex ) const ;

        /**

         * From CCoeControl.

         * Handles pointer events.

         *

         * @param aPointerEvent The pointer event. 

         */

        IMPORT_C void HandlePointerEventL( const TPointerEvent& aPointerEvent );

        /**

         * From CCoeControl.

         * Handles a change to the control's resources.

         *

         * @param aType A message UID value.

         */

        IMPORT_C void HandleResourceChange( TInt aType );

        /**

         * From MCoeControlObserver.

         * Handles an event from an observed toolbar item.

         *

         * @param aControl The control which sent the event

         * @param aEventType The event type

         */

        IMPORT_C void HandleControlEventL( CCoeControl* aControl, 

                                           TCoeEvent aEventType );

        /**

         * From CCoeControl.

         * Responds to changes in the position of a toolbar.

         */

        IMPORT_C void PositionChanged();

        /**

         * From MEikCommandObserver.

         * Processes user commands.

         *

         * @param TInt aCommandId  ID of the command to respond to.

         */

        IMPORT_C void ProcessCommandL( TInt aCommandId );

        /**

         * From CCoeControl.

         * Sets toolbar dimmed. Doesn't redraw.

         *

         * @param aDimmed is ETrue to dim the toolbar, 

         *      EFalse to set the toolbar as not dimmed

         */

        IMPORT_C void SetDimmed( TBool aDimmed );

        /**

         * From CCoeControl.

         * Handles key events.

         *

         * @param aKeyEvent The key event

         * @param aType The type of key event: EEventKey, EEventKeyUp

         *      or EEventKeyDown.

         * @return TKeyResponse Indicates whether or not the key event was used

         *      by this control.

         */

        IMPORT_C TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,

                                              TEventCode aType );

        /**

         * From CCoeControl.

         * Gets the control's input capabilities.

         *

         * @return The control's input capabilities.

         */

        IMPORT_C TCoeInputCapabilities InputCapabilities() const;

        /**

         * From MCoeControlBackground.

         * Draw the background for a given control.

         * The text drawer that shall be used to draw text on the specific

         * background can be fetched through the GetTextDrawer() method.

         *

         * @param aGc Graphics context used for drawing.

         * @param aControl The control being drawn (may be a child of the drawer).

         * @param aRect The area to be redrawn.

         */

        IMPORT_C void Draw( CWindowGc& aGc,

                            const CCoeControl& aControl,

                            const TRect& aRect ) const;

    public: // New functions

        /**

         * Gets a pointer to the specified control.

         *

         * @param aControlId The ID of the control for which a pointer is

         *      required.

         * @return Pointer to the control with the specified ID.

         */

        IMPORT_C CCoeControl* ControlOrNull( const TInt aControlId ) const;

        /**

         * Shows or hides toolbar. Position of the top left corner should be set

         * in advance. Toolbar set visible with this method is by default focusing.

         * Does nothing if toolbar is disabled.

         * @param aVisible ETrue to show it, EFalse to hide it.

         */

        IMPORT_C void SetToolbarVisibility( const TBool aVisible );

        /**

        * Shows or hides toolbar. Position of the top left corner should be set

        * in advance. This overload of the method allows toolbar to be set

        * non-focusing. Does nothing if toolbar is disabled. 

        * @param aVisible ETrue to show it, EFalse to hide it.

        * @param aFocusing ETrue to set toolbar focusing, otherwise EFalse.

        */

        IMPORT_C void SetToolbarVisibility( const TBool aVisible, 

                                            const TBool aFocusing );

        /**

         * Dims (greys out) or undims a toolbar item.

         *

         * @param aCommandId The command (as defined in an .hrh file)

         *      associated with this toolbar item. This identifies the toolbar

         *      item, whose text is to be dimmed or un-dimmed.

         * @param aDimmed Use ETrue to dim this toolbar item or EFalse to

         *      un-dim this toolbar item.

         * @param aDrawNow Should be ETrue for the item to be redrawn.

         */

        IMPORT_C void SetItemDimmed( const TInt aCommandId,

                                     const TBool aDimmed,

                                     const TBool aDrawNow );

        /**

         * Hides or unhides a toolbar item.

         *

         * @param aCommandId The command (as defined in an .hrh file)

         *      associated with this toolbar item. This identifies the toolbar

         *      item, which will be set to hidden or unhidden.

         * @param aHide Use ETrue to hide this toolbar item or EFalse to

         *      unhide this toolbar item.

         * @param aDrawNow Should be ETrue for the toolbar to be redrawn.

         */

        IMPORT_C void HideItem( const TInt aCommandId,

                                const TBool aHide,

                                const TBool aDrawNow );

        /**

         * Sets the observer for the toolbar.

         *

         * @param aObserver A pointer to the observer. Ownership is not changed.

         */

        IMPORT_C void SetToolbarObserver( MAknToolbarObserver* aObserver );

        /**

         * Returns a pointer to the toolbar observer.

         *

         * @return Pointer to the toolbar observer.

         */

        IMPORT_C MAknToolbarObserver* ToolbarObserver();

        /**

         * Adds one item to the end of the toolbar. Takes ownership.

         * Leaves with value KErrNotSupported, if the control type is not

         * supported by toolbar (see CAknToolbar::IsSupportedItemType()).

         *

         * @param aItem The control.

         * @param aType The type of the new toolbar item.

         * @param aCommandId The command ID for this item.

         * @param aFlags The flags.

         */

        IMPORT_C void AddItemL( CCoeControl* aItem, 

                                const TInt aType, 

                                const TInt aCommandId, 

                                const TInt aFlags );

        /**

         * Adds one item to the specified place. Takes ownership.

         * Leaves with value KErrNotSupported, if the control type is not

         * supported by toolbar (see CAknToolbar::IsSupportedItemType()).

         *

         * @param aItem The control.

         * @param aType The type of the new toolbar item.

         * @param aCommandId The command ID for this item.

         * @param aFlags The flags.

         * @param aIndex The index in array at which item should be added.

         */

        IMPORT_C void AddItemL( CCoeControl* aItem,

                                const TInt aType,

                                const TInt aCommandId,

                                const TInt aFlags,

                                const TInt aIndex );

        /**

         * Removes one item from the toolbar.

         *

         * @param aCommandId The ID of the item which should be removed.

         */

        IMPORT_C void RemoveItem( const TInt aCommandId );

        /**

         * Returns ETrue if the type of the item can be included in the

         * toolbar.

         *

         * @return ETrue for the supported type, otherwise EFalse.

         */

        IMPORT_C TBool IsSupportedItemType( const TInt aType ) const;

        /**

         * Changes the command ID for the initially focused item when toolbar is

         * shown or gain focus. Notice that, if this item is not visible, then

         * focus will be according default behaviour. Normally, focus will be on

         * the first item, if KAknToolbarMiddleItemFocused flag was not used.

         *

         * @param aCommandId The command ID for the item to get focus.

         */

        IMPORT_C void SetInitialFocusedItem( const TInt aCommandId );

        /**

         * Called by the framework to handle the emphasising or

         * de-emphasising of a toolbar window when it is needed. 

         * 

         * @param aEmphasis ETrue to emphasize the menu, EFalse otherwise.

         */

        IMPORT_C void SetEmphasis( const TBool aEmphasis );

        /**

         * Returns toolbar visibility at this moment

         *

         * @return ETrue, if toolbar is shown.

         */

        IMPORT_C TBool IsShown() const;

        /**

         * Specifies whether toolbar should be shown with sliding effect or not.

         * By default toolbar is shown with sliding.

         *

         * @param aSlide ETrue for sliding effect, EFalse without sliding.

         */

        IMPORT_C void SetWithSliding( const TBool aSlide );

        /**

         * Sets whether the toolbar should be closed or remain open after the

         * specified command is issued from the toolbar.

         *

         * @param aCommandId The command.

         * @param aClose ETrue, if toolbar should be close.

         */

        IMPORT_C void SetCloseOnCommand( const TInt aCommandId,

                                         const TBool aClose );

        /**

         * Sets whether the toolbar should be closed after a command is issued

         * from the toolbar. This method affects every command on the toolbar.

         *

         * @param aClose ETrue, if toolbar should be closed.

         */

        IMPORT_C void SetCloseOnAllCommands( const TBool aClose );

        /**

         * Sets toolbar orientation.

         * 

         * @param aOrientation Orientation that should be used for toolbar.

         * @since 3.2

         */

        IMPORT_C void SetOrientation( const TAknOrientation aOrientation );

        /**

         * Updates transparent toolbar's background. 

         * @since 3.2

         */

        IMPORT_C void UpdateBackground();

        /**

         * Shows toolbar again after it has been hidden for background changing 

         * purposes

         * 

         * @since 3.2

         */

        void ShowToolbarForBackgroundUpdate(); 

        /**

         * Disables/Enables toolbar so that it cannot/can be activated from e.g. 

         * touch pane. Needed especially if a dialog is on the screen and 

         * toolbar is not wished to be shown. Leaves with value KErrToolbarShown

         * if called when toolbar is shown. 

         * 

         * @param aDisable ETrue if toolbar should be disabled 

         * 

         * @since S60 3.2

         */

        IMPORT_C void DisableToolbarL( TBool aDisable ); 

        /**

         * Checks if toolbar is disabled. 

         * 

         * @return ETrue if toolbar is disabled, EFalse if not 

         * 

         * @since S60 3.2

         */

        IMPORT_C TBool IsToolbarDisabled() const; 

        /**

         * Moves highlight from one item to another. Leaves with 

         * value KErrNotFound if item not found. 

         * 

         * @param aCommandId command id of the item to be focused.           

         * 

         * @since S60 3.2

         */

        IMPORT_C void SetFocusedItemL( const TInt aCommandId ); 

        /**

         * Returns command id of focused item. 

         * 

         * @return command id of focused item. Returns KErrNotFound if 

         * no item is focused. 

         * 

         * @since S60 3.2

         */

        IMPORT_C TInt FocusedItem() const; 

        /**

         * Takes focus away from edwin or other controls if needed. Called by 

         * AknAppUi from HandleWsEventL when a pointer event is targeted to 

         * other control than toolbar. 

         * 

         * @since S60 3.2

         */

        void PrepareForFocusLossL(); 

        /**

         * Returns event modifiers defined in TEventModifiers in this header. 

         * This can be used by applications in OfferToolbarEventL to know if 

         * the event sent was for example a long press event. Information is

         * valid only during OfferToolbarEventL. 

         * 

         * @return event modifiers

         * @since S60 3.2

         */

        IMPORT_C TInt EventModifiers() const; 

        /**

         * Returns the flags of toolbar. Flags are defined in eikon.hrh.  

         * @return toolbar flags

         * @since S60 3.2

         */

        IMPORT_C TInt ToolbarFlags() const; 

        /*

         * Count faded components

         * @return then number of faded components

         */

        TInt CountFadedComponents(); 

        /*

         * Returns faded components by index

         * @return faded component

         */

        CCoeControl* FadedComponent( TInt aIndex ); 

        /*

         * Reduces main pane rect if it intersects with toolbar's rect

         * @param aBoundingRect the rect to reduce

         */

        void ReduceRect( TRect& aBoundingRect ) const; 

        /**

         * Sets the resource id for toolbar softkeys. If cba allready exists 

         * then changes the existing softkeys and redraws toolbar cba.  

         * @param aSoftkeyResourceId ID of the resource structure specifying 

         * the command buttons.

         * @since S60 3.2

         */

        IMPORT_C void SetSoftkeyResourceIdL( TInt aSoftkeyResourceId ); 

        /**

         * Extension notifies of its events using this method

         * aCommandId command id of the button

         */

        void ExtensionEventL( TInt aCommandId ); 

        /**

         * Returns the index of the toolbar item inside of the iVisibleItems

         * array.

         *

         * @param aControl The control which index is needed.

         * @return Index of the toolbar item.

         */

        TInt ToolbarVisibleIndexByControl( const CCoeControl* aControl ) const;

        /**

         * Returns pointer to toolbar extension if available

         * @return toolbar extension or NULL

         */

        IMPORT_C CAknToolbarExtension* ToolbarExtension() const;  		

        /**

         * Calls DynInitToolbar with extensions commmand id

         * 

         */

        void DynInitExtensionL( CCoeControl* aControl ); 

        /**

         * Callback for sliding toolbar.

         */

        static TInt ReadyToSlide( TAny* aThis ); 

        /**

         * Slide toolbar

         */

        void SlideWithIdle(); 

        /**

         * Hides/Unhides toolbar items temporarily. When called with ETrue 

         * toolbar draws just background in landscape and is hidden in portrait. 

         * Calling with EFalse returns the situation to normal, so drawing the 

         * items normally in portrait and landscape. Use this method only with

         * fixed toolbar! 

         *  

         * @param aHide ETrue if hiding items, EFalse if unhiding.  

         */

        IMPORT_C void HideItemsAndDrawOnlyBackground( TBool aHide ); 

        /**

         * Hides/Unhides toolbar items temporarily. When called with ETrue

         * toolbar draws just background in landscape and is hidden in portrait. 

         * Toolbar window priority is changed to priority passed in parameter.

         * Priority should be one of the window priority values defined in 

         * TCoeWinPriority. Default priority is ECoeWinPriorityLow.

         * Note that if toolbar is already hidden, the toolbar window priority

         * is still changed to priority passed in parameter.

         * Calling the function HideItemsAndDrawOnlyBackground with EFalse returns

         * the situation to normal, so drawing the items normally in portrait 

         * and landscape. Use this method only with fixed toolbar! 

         *  

         * @param aHide ETrue if hiding items, EFalse if unhiding.

         * @param aPriority Ordinal priority of toolbar window.  

         */

        IMPORT_C void HideItemsAndDrawOnlyBackground( TBool aHide, TInt aPriority ); 

        /**

         * Sets the skin background for fixed toolbar. The new background is used 

         * for all the subsequent drawing operations. This method does not itself 

         * cause a repaint. 

         *

         * @internal     

         *

         * @param aIID Skin item ID of the new background. This is one of the constants

         *             defined in AknsConstants.h, and the usual values are KAknsIIDQsnBgScreen

         * @since S60 5.0

         */

        IMPORT_C void SetSkinBackgroundId( const TAknsItemID& aIID );

    protected: // From base class

        /**

         * From CCoeControl.

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

         * the contents of this control.

         */

        IMPORT_C void SizeChanged();

        /**

         * From CCoeControl.

         * This function is called whenever a control gains or loses focus.

         *

         * @param aDrawNow Contains the value that was passed to it by SetFocus().

         */

        IMPORT_C void FocusChanged( TDrawNow aDrawNow );

        /**

         * From CAknControl.

         * For future extensions.

         *

         * @param aInterface The ID for the extension interface.

         */

        IMPORT_C void* ExtensionInterface( TUid aInterface );

        /**

         * From CCoeControl.

         * Retrieves an object of the same type as that encapsulated in aId.

         *

         * @param aId An encapsulated object type ID.

         * @return Encapsulated pointer to the object provided. 

         *      Note that the encapsulated pointer may be NULL.

         */

        IMPORT_C TTypeUid::Ptr MopSupplyObject( TTypeUid aId );

    private: // Constructors

        /**

         * C++ default constructor.

         */

        CAknToolbar();

        /**

         * Symbian 2nd phase constructor.

         */

        void ConstructL();

    private: // From base class

        /**

         * From CCoeControl.

         * Constructs controls from a resource file.

         * Hides the one defined in base class.

         *

         * @param aReader The resource reader with which to access

         *      the control's resource values.

         */

        IMPORT_C void ConstructFromResourceL( TResourceReader& aReader );

        /**

         * From CCoeControl.

         * Draw a control called by window server.

         *

         * @param aRect The region of the control to be redrawn. 

         *      Co-ordinates are relative to the control's origin (top left corner).

         */

        IMPORT_C void Draw( const TRect& aRect ) const;

    private: // New functions

        /**

         * Constructs controls from a resource file.

         *

         * @param aResourceId The ID for this component's resource.

         */

        void ConstructFromResourceL( const TInt aResourceId );

        /**

         * Constructs one of the toolbar items.

         *

         * @param aReader The resource reader with which to access the control's

         *      resource values.

         * @return Constructed toolbar item.

         */

        CAknToolbarItem* ConstructControlLC( TResourceReader& aReader );

        /**

         * Calculates size and position of the toolbar depending on the

         * number and size of the toolbar items.

         *

         * @return Toolbar rectangular.

         */

        TRect CalculateSizeAndPosition();

        /**

         * Calculates rects that are used in calculating the size

         * and position of the toolbar items

         *

         * @param aMainPaneRect main pane rect

         * @param aToolbarRect rect for toolbar

         * @param aGridPaneRect rect for grid pane

         * @param aCellPaneRect rect for cell pane

         */

        void CalculateRects( TRect& aMainPaneRect, TRect& aToolbarRect,

            TRect& aGridPaneRect, TRect& aCellPaneRect );

        /**

         * Calculates the position and size of the control rect

         * 

         * @param aCurrentCellPaneRect current cell pane rect is needed to 

         * get correct control rect from layout data. 

         * @return control rect for the toolbar item

         */

        TRect CalculateControlRect( TRect& aCurrentCellPaneRect ); 

        /**

         * Checks the number of visible items, and if too few the toolbar CBA is

         * deleted. If last time there were too few items then toolbar CBA is 

         * created again. Also the ordinal position of the toolbar is set if 

         * there are changes to previous situation. 

         * 

         * @return ETrue if too few items are visible, EFalse if not 

         */

        TBool TooFewItemsVisible(); 

        /**

         * Returns toolbar item object for the specified control.

         *

         * @param aControl Pointer to the control.

         * @return Pointer to the toolbar item.

         */

        CAknToolbarItem* ToolbarItemByControl( const CCoeControl* aControl ) const;

        /**

         * Returns toolbar item object for the specified command ID.

         *

         * @param aId The command ID of the item.

         * @return Pointer to the toolbar item.

         */

        CAknToolbarItem* ToolbarItemById( const TInt aId ) const;

        /**

         * Returns the index of the toolbar item inside of the iItems array.

         *

         * @param aId The command ID of the item

         * @return Index of the toolbar item.

         */

        TInt ToolbarItemIndexById( const TInt aId ) const;

        /**

         * Returns the index of the toolbar item inside of the iItems array.

         *

         * @param aControl The control which index is needed.

         * @return Index of the toolbar item.

         */

        TInt ToolbarItemIndexByControl( const CCoeControl* aControl ) const;

        /**

         * Returns the index of the toolbar item inside of the iVisibleItems

         * array.

         *

         * @param aId The command ID of the item.

         * @return Index of the toolbar item.

         */

        TInt ToolbarVisibleIndexById( const TInt aId ) const;  

        /**

         * Draws toolbar with sliding effect.

         *

         * @param aEndPos The position of the top left corner of toolbar at 

         * the end of animation.

         */

        void SlideToolbar( const TPoint& aEndPos );

        /**

         * Changes CBA text if all items are dimmed.

         */

        void SetRightCbaTextL();

        /**

         * Returns next non-dimmed and non-hidden control index.

         *

         * @param aStartIndex The index of the item from which the search

         *      should be started.

         * @param aMoveForward ETrue if search is done from lower index to

         *      the higher one.

         * @return The index of next non-dimmed and non-hidden item.

         */

        TInt GetNextSelectableItemIndex( TInt aStartIndex,

                                        TBool aMoveForward );

        /**

         * Moves highlight from one item to another. It also will change 

         * softkey text for the focused toolbar.

         *

         * @param aItemIndex The index for the newly focused item.

         * @param aDrawNow Specifies whether the item should be redrawn.

         * @param aMoveForward Specifies whether the next item in the array

         *      should be selected when the item with aItemIndex is dimmed.

         * @param aPrepareControl Specifies whether PrepareForFocusLossL() or

         *      PrepareForFocusGainL() functions should be called.

         */

        void MoveHighlightL( TInt aItemIndex,

                              const TBool aDrawNow,

                              const TBool aMoveForward = ETrue,

                              const TBool aPrepareControl = ETrue );

        /**

         * Makes toolbar visible and activates it. Position of the top left 

         * corner should be set in advance. Also use SetFocus() to specify

         * whether toolbar gets key events or not.

         */

        void ShowToolbarL();

        /**

         * Hides toolbar.

         */

        void HideToolbarL();

        /**

         * Sets the focus to the middle or the first item, depending on the

         * toolbar flags.

         *

         * @param aDrawNow if the newly focused item should be redrawn.

         */

        void InitFocusedItemL( const TBool aDrawNow );

        /**

         * Sets the flag to be on or off and also calls

         * CCoeControl::MakeVisible().

         */

        void SetShown( const TBool aShown );

        /**

         * Selects/deselects the toolbar item at given index.

         */

        void SelectItemL( const TInt aIndex, const TBool aSelect );

        /**

         * Gets rect from layout data.

         */

        TRect RectFromLayout( const TRect& aParent,

            const TAknWindowComponentLayout& aComponentLayout ) const;

        /**

         * Callback to get notified when ready to show toolbar again

         */

        static TInt WaitForScreenSwitch(TAny* aThis); 

        /**

         * Hides toolbar so that screen capture can be taken from the 

         * background in order to update it. 

         */

        void HideToolbarForBackgroundUpdate(); 

        /**

         * Updates control positions so that tooltips are positioned correctly

         */

        void UpdateControlPositions();

        /**

        * Shows toolbar via CIdle. As a result, toolbar's window priority is 

        * setted after the application's container window. This places toolbar

        * to the right place in the window tree.

        */

        void ShowViaIdle();

        /**

        * Callback for delayed toolbar showing.

        */

        static TInt ShowDelayedToolbar( TAny* aThis );

        /**

         * Fades behind toolbar

         * @param aFade if ETrue then fade

         */

        void FadeBehindPopup( TBool aFade ); 

        /**

         * Sets buttons to check their touchable areas when tapped 

         */

        void CheckHitAreas( ); 

        /**

         * Counts buttons of fixed tool bar and adds button(s) if needed

         * There has to bee at leas three buttons in fixed toolbar.

         */

        void CheckFixedToolbarButtonsL();

        /**

         * Draws backgrounds of fixed toolbar

         * @param aGc Graphics context used for drawing.

         * @param aControl The control being drawn (may be a child of the drawer).

         * @param aRect The area to be drawn.

         */

        void DrawFixedBackgroundL( CWindowGc& aGc, 

                                   const CCoeControl& aControl, 

                                   const TRect& aRect ) const;

        /**

        * Adjusts button's properties depending on the toolbar's features.

        */                                   

        void AdjustButton( CAknButton& aButton );

        /**

        * Adjusts all buttons' properties depending on the toolbar's features.

        */

        void AdjustAllButtons();

        /**

        * Adjusts toolbar's and overlying dialog's window positions so that

        * dialog is displayed on top of the toolbar.

        */

        void SetOrdinalPositions() const;

        /**

        * Updates control visibility based on toolbar visibility and 

        * buttons visibility inside toolbar.

        */

        void UpdateControlVisibility();

        /*

         * Update item tooltip position

         */

        void UpdateItemTooltipPosition();

    private: // Member variables

        // Array for toolbar items

        RPointerArray<CAknToolbarItem> iItems;

        // Array for visible toolbar items

        RPointerArray<CAknToolbarItem> iVisibleItems;

        // Toolbar flags

        TInt iFlags;

        // Observer to report toolbar item events, not owned

        MAknToolbarObserver* iToolbarObserver;

        // Index of focused item, used with focusable toolbar

        TInt iFocusedItem;

        // Index of selected item, used with focusable and non-focusable toolbar

        TInt iSelectedItem;

        // Toolbar cba, used with focusable toolbar

        // own

        CEikButtonGroupContainer* iToolbarCba;

        // Resource id for toolbar

        TInt iToolbarResourceId;

        // The default focused item

        TInt iInitialFocusedItem;

        // Last focused item before focus was lost

        TInt iLastFocusedItem;

        // Toolbar frame context

        // own

        CAknsFrameBackgroundControlContext* iFrameContext;

        // Toolbar background context

        // own

        CAknsBasicBackgroundControlContext* iBgContext;

        // Toolbar orientation

        TAknOrientation iOrientation;

        // Transparency bitmap

        // own

        // this member variable is deserted

        CFbsBitmap* iBgBitmap;

        // This is used to call ShowToolbarForBackgroundChange after toolbar has

        // been hidden 

        // own

        CIdle* iIdle;

        // Highlight bitmap

        // this member variable is deserted

        CFbsBitmap* iHighlightBitmap; 

        // Highlight mask 

        // this member variable is deserted

        CFbsBitmap* iHighlightMask; 

        // event modifiers

        TInt iEventModifiers; 

	    // Background fader

        TAknPopupFader iFader;

	    // Softkey resource

        TInt iSoftkeyResource; 

        // Used to store previous item that had pointerevents

        TInt iPreviousItem;

        // Item that catches point down event

        TInt iDownItem;

	    // Step for toolbar sliding

	    TInt iStep; 

	    // End position for toolbar sliding 

	    TInt iEndPos;

	    // Internal flags used to store toolbar's properties

	    TBitFlags iInternalFlags;

	    // Background area to be drawn when not enough visible items

	    // to cover the toolbar area

	    TRect iBgRect;

        // Toolbar window priority if set in HideItemsAndDrawOnlyBackground

	    TInt iDrawingPriority;

	    /*

	     * Background theme ID user defined. And in default, its value is 

	     * KAknsIIDNone is used and toolbar draw background with the current skin  

	     */

	    TAknsItemID iBgIID;

    };

#endif // __AKNTOOLBAR_H__

// End of File