/*

 * 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: 

 *

 */

 // INCLUDES

 #ifndef __AKNINFRM_H__

 #define __AKNINFRM_H__

 #include <eikdef.h>

 #include <eikbctrl.h>

 #include <gulicon.h>

 #include <eiklabel.h>

 #include <AknUtils.h>

 #include <avkon.rsg>

 class CAknsFrameBackgroundControlContext;

 class CAknsBasicBackgroundControlContext;

 // CLASS DECLARATION

 /**

 * Implements an input frame which can contain any @c CCoeControl.

 * The input frame can have additional icon and/or info text.

 * @since Series60 0.9

 */

 NONSHARABLE_CLASS(CAknInputFrame) : public CEikBorderedControl, public MCoeControlObserver

     {

 public:

     /**

     * Default C++ constructor.

     */

     CAknInputFrame();

     /**

     * Destructor. Frees all resources owned by the object prior to its

     * destruction.

     */

     IMPORT_C ~CAknInputFrame();

     /**

     * Two-phased constructor.

     * @param aField Control which will be located inside the input frame

     * @param aComponentOwner Defines whether the ownership of the control will

     * be transferred or not.

     * @param aBitmapfile Bitmap file name and path.

     * @param aBitmapId Bitmap Id.

     * @param aMaskId Bitmap Mask Id.

     * @param aFlags Flags.

     * @return a Pointer to the new @c CAknInputFrame object.

     */

     IMPORT_C static CAknInputFrame* NewL(CCoeControl* aField,TBool aComponentOwner,

                                          const TDesC& aBitmapfile, TInt aBitmapId, TInt aMaskId,

                                          TUint32 aFlags = 0 );

     /**

     * Two-phased constructor.

     * @param aField Control which will be located inside the input frame

     * @param aComponentOwner Defines whether the ownership of the control is

     * transferred or not.

     * @param aIcon Bitmap file name and path.

     * @param aFlags Flags.

     * @return a Pointer to the new @c CAknInputFrame object.

     */

     IMPORT_C static CAknInputFrame* NewL(CCoeControl* aField,TBool aComponentOwner,

                                          CGulIcon* aIcon, TUint32 aFlags = 0 );

     /**

     * Returns apointer to field.

     * @return a Pointer to the control, which is located inside the input frame. 

     */

     IMPORT_C CCoeControl* Field() const;

     /**

     * Sets additional info text to input frame.

     * @param aText Info text to be added in the input frame.

     * @deprecated

     */

     IMPORT_C void SetInfoTextL(const TDesC& aText);

     /**

     * Sets the lines visible or invisible.

     * @param aText @c ETrue to make the line visible, @c EFalse to make it

     * invisible.

     */

     IMPORT_C void SetLineState(TBool aLineVisible);

     /**

     * Sets new icon to input frame.

     * @param aIcon a Pointer to the new icon. Ownership is transffered which 

     * means that object is deleted in @c CAknInputFrame::~CAknInputFrame().

     */

     void SetIcon(CGulIcon* aIcon);

     /**

      * Get flags of current input frame.

      * @return flags.

      * @since Series 60 5.0

      */

     TUint Flags() const;

     /**

      * Set new flags to current input frame.

      * @param aNewFlags is new flag.

      * @since Series 60 5.0

      */

     void SetFlags( TUint aNewFlags );

 public: //from MCoeControlObserver

     /**

     * Handles focus changes. This is called by the UI Control Framework to 

     * notify that an event occured in observed input frame.

     * @param aControl The control where event has happened.

     * @param aEventType a Type of the event.

     */

     IMPORT_C void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);

 public: //from CCoeControl

     /**

     * Handles key events.

     * @param aKeyEvent The key event.

     * @param aType The type of the event: @c EEventKey, @c EEventKeyUp or 

     * @c EEventKeyDown.

     * @return Indicates whether or not the key event was used by this control. 

     */

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

     /**

     * Tells the minimum size of the control.

     * @return The minimum size of the control.

     */

     IMPORT_C TSize MinimumSize();

     /**

     * The second phase constructor: constructs input frame from resources.

     * @param The resource reader.

     */

     IMPORT_C void ConstructFromResourceL(TResourceReader& aReader); 

     /**

     * Sets the implementation of this control context in this input frame.

     * It is a layout background of the frame item. 

     * @since Series 60 2.1

     * @param Pointer to the context.

     */

     IMPORT_C void SetInputContext(CAknsFrameBackgroundControlContext* aContext);

   	/**

    	* From CCoeControl. Handles a change to the control's resources.

    	* @param aType A message UID value.

    	*/

    	void HandleResourceChange( TInt aType );

 private: // From CCoeControl

     void SizeChanged();

     void FocusChanged(TDrawNow aDrawNow); 

     void Draw(const TRect& aRect) const;

     void PrepareForFocusLossL();

 private:

     void BaseConstructL(CCoeControl* aField, TBool aOwner, TUint32 aFlags);

     void ConstructL(CCoeControl* aField, TBool aOwner, const TDesC& aFileName, TInt aBitmapId, TInt aMaskId, TUint32 aFlags);

     void ConstructL(CCoeControl* aField, TBool aOwner, CGulIcon* aIcon, TUint32 aFlags);

     void CreateIconL();

 public:

     /** Enumeration flags for different layouts.        */

     enum TInputFrameFlags

         {

         /** a Standard layout. */

         EOwnsField=0x40,

         /** a Popup layoyt. */

         EPopupLayout=0x80,

         /** a Pinboard layout. */

         EPinbLayout=0x100,

         /** a ClockAppLayout. */

         EClockAppLayout=0x200,

         /** a Layout without lines. */

         EFixedFindWithoutLine   = 0x400,

         /** a Layout that shows indicator.*/

         EShowIndicators         = 0x800,

         /** A layout used by list query. */

         EPopupWindowLayout=0x1000,

         /** A List query with embedded softkeys. */

         EPopupWindowEmbeddedSoftkeys = 0x4000

         };

 private:

     enum TInfrmPrivateFlags

         {

         EOwnsInputContext = 0x2000

         };

     CGulIcon*               iIcon;

     TUint32                 iFlags;

     TAknLayoutRect          iMagnIconPos;  // position of the looking glass icon

     // sizeof(Taknlayoutrect)=20 sizeof(TRect)=16 sizeof(CCoeControl*)=4 sizeof TAknsItemID=8 

     TRect                   iOutlineRect; // was first 16 bytes of TAknLayoutRect  iOutlineRect;

     CCoeControl             *iField;                           // bytes 0..3   of TAknLayoutRect iUnused7;

     CAknsFrameBackgroundControlContext *iPopupFindCC;          // bytes 4..7   of TAknLayoutRect iUnused7;

     CAknsFrameBackgroundControlContext *iInputContext;         // bytes 8..11  of TAknLayoutRect iUnused7;

     TAknsItemID             iIconSkinID;                       // bytes 12..19 of TAknLayoutRect iUnused7;

     CAknsBasicBackgroundControlContext *iPopupListCC;          // was TAny*   iExtension; // not used

     // these are unused

     TAknLayoutRect          iUnUsed1;

     TAknLayoutRect          iUnUsed2;

     TAknLayoutRect          iUnused3;

     TAknLayoutRect          iUnused4;

     TAknLayoutRect          iUnused5;

     TAknLayoutRect          iUnused6;

     TAny*                   iSpare;     // WAS CEikLabel* iInfoText;

     TAny*                   iSpare2;    // was last 4 bytes of TAknLayoutRect  iOutlineRect;

     HBufC*		            iFileName; 

     TInt                    iBitmapId;

     TInt                    iMaskId;

     };

 #endif