/*

* 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: 

* 

*

*/

#ifndef AKNNOTECONTROL_H

#define AKNNOTECONTROL_H

// INCLUDES

#include <AknControl.h>

#include <AknUtils.h>

#include <aknprogresstimer.h>

#include <AknBitmapAnimation.h>

// FORWARD DECLARATIONS

class CEikImage;

class CEikLabel;

class CEikProgressInfo;

class CAknNoteAttributes;

class CAknTextControl;

class TAknWindowLineLayout;

// CLASS DECLARATION

/**

* The control for a note dialog.

*

* Manage layout of elements in a note dialog:- the text, the image and

* animation, the progress bar.

*

* @since Series 60 0.9

* @see CAknNoteDialog, CAknNoteAttributes, CAknText

*/

class CAknNoteControl : public CAknControl 

{

friend class CAknNoteAttributes;

public:	

	/**

    * C++ default constructor.

    */

	IMPORT_C CAknNoteControl();

	/**

    * Destructor.

    */

	IMPORT_C virtual ~CAknNoteControl();

	/**

	* Constructs controls from a resource file.

	* @param aRes The resource reader with which to access @c AVKON_NOTE

	* resource.

	*/

	void ConstructFromResourceL(TResourceReader& aRes);

public:

    /**

    * Set the note image. 

    *

    * Set the image in the note attributes. This reduces the

    * size of the image if necessary (only fixed set of

    * image sizes if supported). Perform layout only for

    * the control. The dialog will not be resized. 

    * 

    * @param aImage Pointer to image to set.

    */

    IMPORT_C void SetImageL(CEikImage* aImage);

    /**

    * Set the note animation. 

    *

    * Set the animation in the note attributes.

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    * 

    * @param aResource ID of @c BMPANIM_DATA resource.

    */

	IMPORT_C void SetAnimationL(TInt aResource);

	/**

    * Set the note icon. 

    *

    * Set the icon in the note attributes.

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    * 

    * @param aIcon Pointer to icon to set.

    */

    IMPORT_C void SetIconL(CEikImage* aIcon);

    /**

    * Set the progress bar final value in the note attributes. 

    *  

    * @param aValue The final value for the progress information control. 

    * If it is zero, the value is set to one.

    * @see CEikProgressInfo

    */	

	IMPORT_C void SetFinalProgressValue(TInt aValue);

	/**

    * Increment the progress bar and draw.

    *

    * @param  aIncrement The increment to add to the current progress value.

    * @return 1 if operation hasn't been completed else 0.

    * 

    * @see CEikProgressInfo

    */

	IMPORT_C TInt IncrementBarsAndDraw(TInt aIncrement);

	/**

    * Create the progress bar.

    *

    * @see CEikProgressInfo

    */

	IMPORT_C void CreateProgressBarL();

	/**

    * Return the progress bar.

    *

    * @return Pointer to the progress bar.

    *

    * @see CEikProgressInfo

    */

	IMPORT_C CEikProgressInfo* GetProgressInfo();

	/**

    * Start the note animation.

    *

    * @see CAknBitmapAnimation

    */

	IMPORT_C void StartAnimationL();

	/**

    * Stop the note animation.

    * Calls @c CAknBitmapAnimation::CancelAnimation() for animation object.

    * @return @c KErrNone if cancellation successful,

    * @c KErrGenreral if there was no animation object, otherwise another of the

    * system-wide error codes. 

    *

    * @see CAknBitmapAnimation

    */

	IMPORT_C TInt CancelAnimation();

    /**

    * Reset the note text.

    *

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    *

    * @see CAknTextControl

    */

	IMPORT_C void ResetText();

    /**

    * Set whole text for the note control.

    *

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    * @param aText String to set.

    */	

	IMPORT_C void SetTextL(const TDesC& aText);

	/**

    * Set text for a specific line. Any previous text will be overwritten,

    * except for the text that was set for other lines via this method.

    *

    * This method prevents @c ParseTextL from having any effect, hence text

    * control needs to know font and line width to allocate space.

    * 

    * This method is kept for backwards compatibility as the same

    * results could be achieved by the other @c SetTextL with no wrapping

    * enabled (flag in note attributes) and newline characters in the text to

    * indicate a new line.

    *

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    *

    * @param aText String to set.

    * @param aLineNum Specifies the line of the text to be set.

    */

	IMPORT_C void SetTextL(const TDesC& aText,TInt aLineNum);

    /**

    * Set the number inside the note text. The text must have been 

    * previously set via resource or via @c SetTextL and must have a

    * \%d or \%N in it.

    *

    * Note:- This method could be replaced by a @c SetTextL method with 

    * a variable number of arguments.

    *

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    *

    * @param aNumber Integer to be set inside the text.

    */	

	IMPORT_C void SetTextNumberL(const TInt aNumber);

    /**

    * Determine which text is to be used, either the text for

    * singular notes, e.g. "You have 1 new message" or the text

    * for plural notes, e.g. "You have %N new messages". These

    * texts must have been set via resource.

    *

    * Note:- This method could be replaced by a @c SetTextL method with 

    * a variable number of arguments.

    *

    * Perform layout only for the control. 

    * The dialog will not be resized. 

    *

    * @param aIsPlural @c ETrue if plural form of the text is needed,

    * otherwise @c EFalse.

    */	

	IMPORT_C void SetTextPluralityL(const TBool aIsPlural);

	/**

    * Return the number of lines.

    *

    * @return The number of lines. 

    */

	IMPORT_C TInt NumberOfLines() const;

public:

    /**

    * Do layout.

    *

    * Before doing layout parse the text (This might be redundant except

    * when the control attributs are trasfered but is left here to avoid

    * breaking the functionality of this exported method).

    *

    * Layout is done only if it is needed, i.e. if the attributes indicates

    * that something has changed in such a way that layout needs to be 

    * performed again, e.g. a line of text has been added.

    *

    * This method assumes that the rect of the control has not been changed. 

    * On the contrary, SizeChanged does not assume that the rect is the same

    * and hence always performs layout.

    */

	IMPORT_C void Layout();

	/**

    *

    * This is used by a dialog to layout the control correctly.

    * @return type of layout to be used.

    *

    */

	void WindowLayout( TAknWindowLineLayout& aLayout ) const;

    /**

    * Return the note height. 

    *

    * The note height is taken from the layout compiler and

    * depends on number of lines and the note layout type. 

    * 

    * @return The note height in pixels.

    */

	IMPORT_C TInt NoteHeight() const;

	/**

    * Return the note width. 

    *

    * The note width is taken from the layout compiler. 

    * Contrary to the note height, the note width does not depend on

    * the note layout type or on number of lines. 

    * 

    * @return The note width in pixels.

    */

	IMPORT_C TInt NoteWidth() const;

public:	//Interface to CAknNoteDialog 

    /**

    * Gets the minimun size requided by the control.

    * @return The minimum size required by the control.

    */

	TSize MinimumSize();

	/**

    * Accessor to note attributes stored in @c CAknNoteAttributes.

    * @return Pointer to @c CAknNoteAttributes.

	*/

	CAknNoteAttributes* Attributes() const;

	/**

    * Used by sleeping notes when going to background,

    * in order to stop and delete animations.        

    * Calls @c CancelAnimation(). 

    */

	void Reset();

	/**

    * Updates the image according to the current skin.

    */

	void CreateDefaultImageL();

public:

	IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

public:

		/**

		* Manage indexes into LAF tables

		*

        * NP   stands for "Note Popup"

        *

        * WNP  stands for "Waiting/progress Note Popup"

        *

        * NWIP stands for "Note With Image Popup"

		*/

		class TIndex 

		{	

		public:

			/**

            * C++ default constructor.

            * @param aNumberOfLines Number of lines.

            * @param aHasNti Determines whether or not there is a number type

            * indication (NTI).

            * @param aImageSize Image size.

            */		

			TIndex(TInt aNumberOfLines, 

			       TBool aHasNti = EFalse, 

			       TSize aImageSize = TSize(0,0));	

		public:	

           /**

            * Returns number of lines.

            * @return Number of lines.

            */			

            TInt Lines() const;	

		public:	

    	    /**

            * Return index into table "Waiting/progress Note Popup Window

            * Texts Line 1". Index depends on the number of text lines and

            * whether or not there is a number type indication (NTI). See 

            * table in *.lay and LAF specs for working out indexes.

            * @param aLineNum Line number.

            * @return Index into table "Waiting/progress Note Popup Window

            * Texts Line 1".

            */		

			TInt WNPWindowTextsLine1(TInt aLineNum) const;

			/**

            * Return Left index into table "Note With Image Popup Window

            * Texts Line 1". Index depends on number of text lines, whether or

            * not there is a number type indication (NTI). See table in *.lay

            * and LAF specs for working out indexes.

            * @param aLineNum Line number.

            * @return Left index into table "Note With Image Popup Window

            * Texts Line 1".

            */

			TInt NWIPWindowTextsLine1L(TInt aLineNum) const;

        	/**

            * Return Right index into table "Note With Image Popup Window

            * Texts Line 1". Index depends on number of text lines and image

            * size. See table in *.lay and LAF specs for working out indexes.

            *

            * Table has 3 dimensions:-

            * - Dimension 1 is the line number

            * - Dimension 2 is the image width  

            * - Dimension 3 is the image height 

            * 

            * @param aLineNum Line number.

            * @return Right index into table "Note With Image Popup Window

            * Texts Line 1".

            */

			TInt NWIPWindowTextsLine1R(TInt aLineNum) const;

			/**

            * Return Bottom index into table "Note With Image Popup Window

            * Texts Line 1". Index is the same as the number of text lines

            * minus one. See table in *.lay and LAF specs for working out

            * indexes.

            * @param aLineNum Line number.

            * @return Bottom index into table "Note With Image Popup Window

            * Texts Line 1".

            */

			TInt NWIPWindowTextsLine1B(TInt aLineNum) const;

			/**

            * Return Width index into table "Note With Image Popup Window 

            * Texts Line 1". Index depends on number of text lines, whether or

            * not there is a number type indication (NTI) and image size. See

            * table in *.lay and LAF specs for working out indexes.

            *

            * Table has 4 dimensions:-

            * - Dimension 1 indicates the presence of an NTI(index 0 = NO NTI,

            * index 1 = NTI)

            * - Dimension 2 is the line number

            * - Dimension 3 is the image width

            * - Dimension 4 is the image height

            *

            * @param aLineNum Line number.

            * @return Width index into table "Note With Image Popup Window

            * Texts Line 1".

            */

			TInt NWIPWindowTextsLine1W(TInt aLineNum) const;

            /**

            * Return indexes for table @c AKN_LAYOUT_WINDOW_popup_note_window.

            * If there are 0-2 lines the index is 0. If there are 3 lines the

            * index is 1, if there are 4 or more lines the index is 2.

            * @return Indexes for table @c AKN_LAYOUT_WINDOW_popup_note_window.

            */

			TInt PopupNoteWindow() const;

	        /**

            * Return indexes for table 

            * @c AKN_LAYOUT_WINDOW_popup_note_wait_window. 

            * If there are 0-2 lines the index is 0. If there are 3 lines the

            * index is 1, if there are 4 lines the index is 2.

            * @return Indexes for table 

            * @c AKN_LAYOUT_WINDOW_popup_note_wait_window.

            */

			TInt PopupNoteWaitWindow() const;

		private:	

			void SelfTest() const;	

			TInt ImageWidthIndex() const;

			TInt ImageHeightIndex() const;

			TInt HasNtiIndex() const;

		private:	

			TInt  iNumberOfLines;

			TBool iHasNti;

			TSize iImageSize;

		};	

private:

	//COECONTROL METHODS

	void Draw(const TRect& aRect) const;

	void SizeChanged();

	void DoLayout();

	TInt CountComponentControls() const;

	CCoeControl* ComponentControl(TInt anIndex) const;

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

private:	

	//LAYOUT METHODS

	TInt NumberTypeIndicationIndex() const;

	TInt ImageWidthIndex() const;

	TInt AnimationIndex();

	void AnimationNoteLayout();

	//Layout for general notes

	void GeneralNoteLayout();

	void GeneralNoteLabelLayout();

	void GeneralNoteIconLayout();

	//Layout for progress and wait notes

	void ProgressNoteLayout();

	void ProgressNoteLabelLayout();

	void ProgressNoteProgressBarLayout();

	void ProgressNoteIconLayout();

	void ProgressNoteNumberTypeIndicationLayout();

	//Layout for image notes

	void ImageNoteLayout();

	void ImageNoteLabelLayout();

	void ImageNoteImageLayout();

	void ImageNoteShadowLayout();

	void ImageNoteNumberTypeIndicationLayout();

	TAknWindowLineLayout GetImageLayout(const TSize& aSize); 

	TAknWindowLineLayout GetImageShadowLayout(const TSize& aSize); 

	TRect LayoutRect() const;

	void SetLineWidthsL();

	void ReduceImageIfNeeded();

	void ParseTextL();

private:

	CAknTextControl*    TextControl() const; 

	CEikImage* Image() const; 

	CEikImage* Icon() const; 

	CEikProgressInfo* ProgressBar() const; 

	CAknProgressTimer* Timer() const; 

	CAknBitmapAnimation* Animation() const; 

	TBitFlags&  Flags() const; 

private:

	TInt                iNoteLayout;

	TAknLayoutRect      iShadowRect;

	TBool               iImageHasShadow;

	CAknNoteAttributes*  iAttributes;

	CArrayFixFlat<TInt>* iLineWidths;

public:

	/**

	 * @deprecated - use SetTextL() method. 

	 * @param aText aText string to set.

	 */

	IMPORT_C void SetDynamicTextL(const TDesC& aText);