/*

* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*      Declaration of class CBrowserBookmarksGotoPane.

*      

*

*/

#ifndef BROWSER_BOOKMARKS_GOTO_PANE_H

#define BROWSER_BOOKMARKS_GOTO_PANE_H

// INCLUDE FILES

#include <coecntrl.h>

#include "BrowserAdaptiveListPopup.h"

// FORWARD DECLARATION

class CEikEdwin;

class CAknInputFrame;

class CBrowserBookmarksGotoPane;

class CAknsListBoxBackgroundControlContext;

class CAknsFrameBackgroundControlContext;

class CBrowserFavouritesView;

// class CBrowserAdaptiveListPopup;

// CLASS DECLARATION

/**

* Mixin class for handling Bookmark Goto Pane events.

*/

class MBookmarksGotoPaneObserver

    {

    public:     // types

        enum TEvent                 /// Goto Pane events.

            {

            EEventEditingModeChanged,   ///< Editing mode changed.

            EEventEnterKeyPressed       ///< Enter key pressed during editing.

            };

    public:     // new methods

        /**

        * Handle Goto Pane event. Derived classes must implement.

        * @param aGotoPane The Goto Pane in which the event occurred.

        * @param aEvent Goto Pane event.

        */

        virtual void HandleBookmarksGotoPaneEventL

            ( CBrowserBookmarksGotoPane* aGotoPane, TEvent aEvent ) = 0;

    };

/**

* Goto Pane for the WML Browser. It looks just like a search field.

* It has two modes, Editing and Non-editing. In editing mode the user can edit

* text and move the cursor. In non-editing mode any key/other event which

* normally means editing enters editing mode automatically. When editing mode

* is entered, existing text is replaced with a default text.

* (Editing in fact corresponds to being focused or not; the two things go

* together.)

*/

class CBrowserBookmarksGotoPane: public CCoeControl

    {

    public:     // Construct / destruct

        /**

        * Two-phased constructor. Leaves on failure.

        * @param aParent Parent control.

        * @param aIcon Icon to display. If NULL, a default is used.

        * @param aTextLimit Maximum length of text.

        * @return The constructed Goto Pane control.

        */

        static CBrowserBookmarksGotoPane* NewL

            ( const CCoeControl& aParent, CBrowserFavouritesView* aView );

        /**

        * Destructor.

        */

        virtual ~CBrowserBookmarksGotoPane();

        /**

         * SetupSkinContext Sets up the skin

         * return None

         */

        void SetupSkinContextL();

    public:     // new methods (editing)

        /**

        * Check if we are editing.

		* @since 1.2

        * @return ETrue if editing, EFalse otherwise.

        */

        inline TBool IsEditing() const;

		/**

		* Begin editing the pane. Sets up the visibility, etc for editing

		*/

		void BeginEditingL();

        /**

        * Cancel editing, but leave the text in place.

		* @since 1.2

        */

        void CancelEditingL();

        /**

        * Set text. If editing, it is now cancelled.

		* @since 1.2

        * @param aText Text to set.

        * @param aClipToFit If ETrue, text is clipped "..."  if doesn't fit.

		* @param aCancelEditing If EFalse, editing is not cancelled

        */

        void SetTextL( const TDesC& aText, TBool aClipToFit = ETrue, TBool aCancelEditing = ETrue );

        /**

        * Get text; ownership passed. The returned buffer is zero-terminated.

		* @since 1.2

        * @return Text in a buffer or NULL. Owner is the caller.

        */

        HBufC* GetTextL();

        /**

        * Freeze / unfreeze. If frozen, setting text by calling SetTextL or

        * Cancelling is disallowed. Use with caution, don't let frozen state

        * "stay in" due to some leave!

        * (This is used when during dowload we want to protect Goto Pane from

        * being updated if some notification kicks in).

		* @since 1.2

        * @param aFreeze ETrue for freeze, EFalse to unfreeze.

        */

        inline void Freeze( TBool aFreeze );

    public:     // observer support

        /**

        * Set observer. Pass NULL pointer to unset. Panics if already set.

		* @since 1.2

        * @param aObserver The observer to be notified about Goto Pane events.

        */

        void SetGPObserver( MBookmarksGotoPaneObserver* aObserver );

    public:     // Showing / hiding extra line

        /**

        * Set line state (show or hide line). Ugly stuff.

		* @since 1.2

        * @param aLineVisible ETrue for showing line, EFalse for hiding.

        */

        void SetLineState( TBool aLineVisible );

		void HandleResourceChange( TInt aType );

    public: // from CCoeControl

        /**

        * Handle key event.

        * @param aKeyEvent The key event.

        * @param aType Key event type.

        * @return Response (was the key event consumed?).

        */

        virtual TKeyResponse OfferKeyEventL

            ( const TKeyEvent& aKeyEvent, TEventCode aType );

        /**

        * Count component controls.

        * @return Number of component controls.

        */

        virtual TInt CountComponentControls() const;

        /**

        * Get a component control by index.

        * @param aIndex Index of component control to be returned.

        * @return Component control or NULL.

        */

        virtual CCoeControl* ComponentControl( TInt aIndex ) const;

        /**

        * Handle focus change.

        * @param aDrawNow Draw now?

        */

        virtual void FocusChanged( TDrawNow aDrawNow );

		/**

		* Gives back a pointer to adaptivepopuplist

		*/

		CBrowserAdaptiveListPopup* PopupList();		

       /**

        * Mop supply

        * @param TTypeUid aId

        */

        TTypeUid::Ptr MopSupplyObject( TTypeUid aId );

        /**

        * Returns editor control of goto pane.

        * @since Series60 1.2

        * @return editor control of goto pane

        */

        CEikEdwin* Editor() const;

        /**

        * HandlePointerEventL

        * From CCoeControl

        *

        */

        void HandlePointerEventL(const TPointerEvent& /*aPointerEvent*/);

    protected:  // Construct / destruct

        /**

        * Constructor.

        */

        CBrowserBookmarksGotoPane(CBrowserFavouritesView* aView);

        /**

        * Second-phase constructor. Leaves on failure.

        * @param aParent Parent control.

        */

        void ConstructL

            ( const CCoeControl& aParent );

    protected:  // from CCoeControl

        /**

        * Handle size change, lay out components.

        */

        virtual void SizeChanged();

    private:    // new methods

        /**

        * Change editing mode.

        * @param aEditing ETrue for editing mode.

        */

        inline void SetEditingL( TBool aEditing );

        void ActivateVKB();

    private:    // data

		CBrowserFavouritesView* iView; //Not owned.

        /// Editor. Owned.

        CEikEdwin* iEditor;

        /// Input frame. Owned.

        CAknInputFrame* iInputFrame;

        /// Editing mode.

        TBool iEditing;

        /// Observer or NULL. Not owned.

        MBookmarksGotoPaneObserver* iGPObserver;

        /// ETrue if frozen.

        TBool iFrozen;

		/// ETrue if initial focusing was done 

		///(needed for permanent selection to be working)

		TBool iEverFocused;

        /// adaptive popuplist

        CBrowserAdaptiveListPopup* iBAdaptiveListPopup;

        CAknsListBoxBackgroundControlContext* iSkinContext;

        CAknsFrameBackgroundControlContext* iInputContext;

    };

#include "BrowserBookmarksGotoPane.inl"

#endif

// End of File