/*

* Copyright (c) 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:   Month View container control.

 *

*/

#ifndef CALENMONTHCONT_H

#define CALENMONTHCONT_H

//  INCLUDES

#include <eiklbo.h>

#include <e32std.h>

#include <gestureobserver.h>  //MGestureObserver

#include "calencontainer.h"

#include "calenmonthdata.h" // CMonthDataArray is typedef

// FORWARD DECLARATIONS

class CAknGrid;

class CAknIconArray;

class CAknsFrameBackgroundControlContext;

class CCalInstance;

class CCalenMonthGrid;

class CCalenMonthView;

class CEikLabel;

class TAknLayoutRect;

class CCalenPreview;

namespace GestureHelper

    {

    class CGestureHelper;

    }

//  CLASS DEFINITIONS

/**

 *  Month View container control

 */

NONSHARABLE_CLASS( CCalenMonthContainer ) : public CCalenContainer,

                                            public MEikListBoxObserver,

                                            public GestureHelper::MGestureObserver

    {

public:  // Constructors and destructor

    /**

     * C++ constructor.

     */

    CCalenMonthContainer( CCalenNativeView* aView,

                          TTime& aDate,

                          MCalenServices& aServices );

    /**

     * Destructor.

     */

    virtual ~CCalenMonthContainer();

public:

    /**

     * Create icon indices for month view

     */

    void CreateIconIndicesL( RArray<MCalenServices::TCalenIcons>& aIndexArray );

public:     // New Function

    /**

     * Called when Midnight cross over

     * Redraw today's indicator

     */

    void ChangesMidnightCrossover();

    /**

     * Initilizes grid data.

     */

    void InitDataForMonthL();//const TTime& aNewActiveDay);

    /**

     * Population step with no instance view.

     * Step 1 of construction of grid data.

     */

    void PrepareForPopulationL();

    /**

     * Populates data from agenda server and sets number of notes.

     * Step 2 of construction of grid data.

     */

    void PopulateWithInstanceViewL();

    /**

     * Set event indicator to each day.

     * Step 3 of construction of grid data.

     */

    void SetIndicatorL();

    /**

     * Sets the current focus.

     * Step 4 of construction of grid data.

     */

    void SetFocusL();

    /**

     * Sets the current focus.

     * Step 5 of construction of grid data.

     */

    void CompletePopulationL();

    /**

     * Get the available info bar rect for this container

     */

    TRect InfoBarRectL( TBool aToolbarAvailable );

    /**

     * Handle navigation decorator event

     * @param left or right

     */

    void HandleNaviDecoratorEventL(TInt aDirection);

    void HandleLongTapEventL( const TPoint& aPenEventLocation, 

                              const TPoint& aPenEventScreenLocation );

    /**From MGestureObserver

     * Handle the gesture event

     * @param aEvent event describing the gesture 

     */

    virtual void HandleGestureL( const GestureHelper::MGestureEvent& aEvent );

    void HidePopup();

    void RedrawPreviewPane();

    /**

     * returns previewpane pointer

     */    

    const MCalenPreview* PreviewPane();

private:    // New function

    /**

     * Set iActiveDay to argument's aDay,

     * and also set context's active day too.

     * And re-calculate first day of grid.

     * @param aDay New active day

     */

    void SetActiveDayL( TTime aDay );

    /**

     * Return a day from Grid index

     * @param aIndex Grid index

     * @return Real day

     */

    TTime DayOfIndex( TInt aIndex );

    /**

     * Sets cursor to Active day

     */

    void SetCursorToActiveDay();

    /**

     * Month grid cells setup method

     * @param aListBox CAknGrid

     */

    void ApplySelGridGraphicStyleL( CAknGrid& aListBox );

    /**

     * Change Active Day and Data.

     */

    void ChangeMonthL();

    void HandleDayChangeL(TTime aNewActiveDay);

    /**

     * Icon column setting for CAknGrid

     * @param aListBox Set a Grid

     * @param aIndex Cell index

     * @param aP1 Cell top-left

     * @param aSize Cell size

     */

    void SetupSelgridFormBitmapCellL(CAknGrid& aListBox, TInt aIndex,

                                     TPoint aP1, TSize aSize);

    /**

     * Drawing days of the week.

     * @param aGc Graphic context

     */

    void DrawColLabel(CWindowGc& aGc, TBool aUseWeeks = ETrue) const;

    /**

     * Drawing week numbers.

     * @param aGc Graphic context

     */

    void DrawRowLabel(CWindowGc& aGc) const;

    /**

     * Set Date(1-28,29,30,31) to iData.

     * Part of step 1 of construction of grid data

     */

    void SetDateL();

    TInt GridIndex() const;

    CCalenMonthView& MonthView() const;

    static TInt EntryTimeCompare(const CCalInstance& aInstance_1, 

                                 const CCalInstance& aInstance_2);

    void HandleWeekNumberTapL(const TPoint &aPosition);  

    TBool UseWeeks() const;

    TBool UseWeeksL() const; 

public:

    enum TMonthLayoutVariant

        {

        ENoLayoutVariantSet = 0,

        EMainCaleMonthPane,

        EBgCalePaneCp02,

        ECaleMonthDayHeadingPane,

        ECaleMonthWeekPane,

        EGridCaleMonthPane,

        ECaleMonthPaneG,

        ECaleMonthPaneG1,

        ECaleMonthPaneG2,

        ECaleMonthPaneG3,

        ECaleMonthPaneG9,

        EBgCaleHeadingPaneCp01,

        ECaleMonthPaneT1,

        ECaleMonthDayHeadingPaneT,

        ECaleMonthWeekPaneT,

        EBgCaleSidePaneCp01,

        ECellCaleMonthPane,

        ECellCaleMonthPaneG1,

        ECellCaleMonthPaneT1

        };

    /**

     * Container can request current variant layout index

     */

    TInt LayoutVariantIndex(TMonthLayoutVariant aLayout) const;

private:    // From CCalenContainer

    /**

     * From CCalenContainer Date cahnge operation notification handler.

     * (i.e. GotoDate).

     */

    void NotifyChangeDateL();

private:    // From CCoeControl

    /**

     * From CCoeControl return number of components

     */

    TInt CountComponentControls() const;

    /**

     * From CCoeControl retrun the component specified by aIndex

     */

    CCoeControl* ComponentControl(TInt aIndex) const;

    /**

     * From CCoeControl processing of a key event

     */

    TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,

                                TEventCode aType);

    /**

     * From CCoeControl Handle pointer event

     */

    void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    /**

     * From CCoeControl drawing month view

     */

    void Draw(const TRect& /*aRect*/) const;

    /**

     * Pass skin information if needed.

     */

    TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

    /**

     * From CCoeControl Gets help context

     * @param aContext Help context

     */

    void GetHelpContext(TCoeHelpContext& aContext) const;

    /**

     * From CCoeControl Resizes child controls

     */

    void SizeChanged();

    void FocusChanged( TDrawNow aDrawNow );

    /**

     * From CCoeControl Handles a resource relative event

     */

    void HandleResourceChange(TInt aType);

private:    // From CCalenContainer

    /**

     * From CCalenContainer Third phase constructor.

     * This function was called CCalenView::ConstructL().

     */

    void ConstructImplL();

    /*

      Constructs heading/side/background skin context if enabled   

    */    

    void ConstructBackgroundContextL();

    /**

     * From CCalenContainer.

     * This methods is called after calendar settings have changed.

     * Implementation for month view without week numbers.

     */

    void UpdateSize();    

    /**

     * Handles list box events.

     *

     * This function is invoked by CEikListBox to

     * notify the observer of list box events.

     *

     * @param aListBox   The originating list box.

     * @param aEventType A code for the event. Further information 

     *                   may be obtained by accessing the list box itself.

     */

    void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType );

private:    // own methods

    // just a wrapper for leaves

    void DoSizeChangedL();

    // just a wrapper for leaves

    static TInt DoEntryTimeCompareL( const CCalInstance& aInstance_1, 

                                     const CCalInstance& aInstance_2 );

    TKeyResponse HandleAttemptToMoveL( TUint aKeyCode );

private:  // New variables

    /* 

     * This enumeration index should match

     */ 

    enum TIconIndex

        {

        EIconNull = -1, // ENoEvent

        EIconMany, // EManyEvents 

        EIconGrayed

        };

    enum TCompareResult

        {

        EEqual       =  0, // 1. == 2.

        ELessThan    = -1, // 1. < 2.

        EGreaterThan =  1  // 1. > 2.

        };

    CCalenMonthGrid* iGrid; // date's grid

    CMonthDataArray* iMonthDataArray;

    TTime   iFirstDayOfGrid;

    TInt    iTempMonth; // for short cut to go to a month

    TBuf<16> iDayFormat;

    CAknsFrameBackgroundControlContext* iBackgroundSkinContext;

    MCalenPreview* iPreview;

    // View specific data, references to views data

    TTime& iDate;

    TTime iOldFirstDayOfGrid;

	TBool iChangeMonth;

	TBool iChangeDay;

    // Own: Gesture helper

    GestureHelper::CGestureHelper* iGestureControl;

    // Own: this variable indicates that gesture event was handled.

    TBool iGestureHandled;

    };

#endif //CALENMONTHCONT_H

// End of File