calendarui/globaldata/inc/calencontextimpl.h
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     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Implementation of calendar context.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CALENCONTEXTIMPL_H
       
    21 #define CALENCONTEXTIMPL_H
       
    22 
       
    23 // FORWARD DECLARATIONS
       
    24 class MCalenContextChangeObserver;
       
    25 
       
    26 // INCLUDES
       
    27 #include <calencontext.h>
       
    28 #include <caleninstanceid.h>            // TCalenInstanceId
       
    29 #include <calentry.h>
       
    30 #include <vwsdef.h>
       
    31 #include <EPos_CPosLandmark.h>
       
    32 
       
    33 // CLASS DEFINITIONS
       
    34 /**
       
    35  * The controller handles events from the rest of Calendar and delegates
       
    36  * them to the appropriate place (i.e. the action ui classes).
       
    37  */
       
    38 class CCalenContextImpl : public CBase, public MCalenContext
       
    39     {
       
    40 
       
    41 public:  // Construction and destruction
       
    42     
       
    43     /**
       
    44      * The only reason this should be created outside of this dll is for
       
    45      * SCalenCommand, which needs a default constructor. Normal usage is
       
    46      * to use the accessor from the global data. Attempting to call
       
    47      * "setters" on any context not from the global data will panic.
       
    48      */
       
    49     CCalenContextImpl( MCalenContextChangeObserver* aObserver );
       
    50     CCalenContextImpl();
       
    51     CCalenContextImpl( const CCalenContextImpl& aContext );
       
    52     ~CCalenContextImpl();
       
    53 
       
    54 public:  // from MCalenContext
       
    55     
       
    56     // Utils
       
    57     /**
       
    58      * Returns the default time for views. (Normally 8am.) This would be
       
    59      * used for example by the month view, which sets the focus time to
       
    60      * 8am on a day. Then when opening the week view, a sane time is shown.
       
    61      */
       
    62     TTimeIntervalMinutes DefaultTimeForViews() const;
       
    63 
       
    64     /**
       
    65      * Returns the default TCalTime for views. (Normally 8am today.) This
       
    66      * would be used for example when a view is the first view loaded in
       
    67      * Calendar.
       
    68      */
       
    69     TCalTime DefaultCalTimeForViewsL() const;
       
    70 
       
    71     // Setters
       
    72     /**
       
    73      * Sets the date and time currently focused.
       
    74      * @param aFocusTime The new focus date and time.
       
    75      * @param aViewId The view id of the currently active view.
       
    76      */
       
    77     void SetFocusDateAndTimeL( const TCalTime& aFocusDateTime,
       
    78             const TVwsViewId& aViewId );
       
    79 
       
    80     /**
       
    81      * Sets the date currently focused. When retrieving the focus
       
    82      * date and time after calling this function, the time component
       
    83      * will be set to the default of view. When retrieving the focus
       
    84      * time only, it will be set to -1.
       
    85      * @param aFocusDate The new focus date and time.
       
    86      * @param aViewId The view id of the currently active view.
       
    87      */
       
    88     void SetFocusDateL( const TCalTime& aFocusDate,
       
    89             const TVwsViewId& aViewId );
       
    90 
       
    91     /**
       
    92      * Sets the id of the instance currently focused.
       
    93      * @param aInstanceId the id of the focused instance.
       
    94      * @param aViewId The view id of the currently active view.
       
    95      */
       
    96     void SetInstanceIdL( const TCalenInstanceId& aInstanceId,
       
    97             const TVwsViewId& aViewId );
       
    98 
       
    99     /**
       
   100      * Sets the time and instance currently focused.
       
   101      * @param aFocusTime The new focus time. If no time is focused, set
       
   102      * the Utc time of this object to be Time::NullTTime.
       
   103      * @param aInstanceId the id of the focused instance.
       
   104      * @param aViewId The view id of the currently active view.
       
   105      */
       
   106     void SetFocusDateAndTimeAndInstanceL( const TCalTime& aFocusDateTime,
       
   107             const TCalenInstanceId& aInstanceId,
       
   108             const TVwsViewId& aViewId );
       
   109 
       
   110     // Getters
       
   111     /**
       
   112      * Gets the date and time currently focused.
       
   113      * @return The currently focused date and time. When no time is
       
   114      * focused, the default time on the current date will be returned.
       
   115      */
       
   116     TCalTime FocusDateAndTimeL() const;
       
   117 
       
   118     /**
       
   119      * Gets the time currently focused.
       
   120      * @return The currently focused time. When no time is
       
   121      * focused, -1 will be returned.
       
   122      */
       
   123     TTimeIntervalMinutes FocusTime() const;
       
   124 
       
   125     /**
       
   126      * Gets the id of the instance currently focused.
       
   127      * @return The instance id currently focused. When no instance is focused,
       
   128      * this will be TCalenInstanceId::NullInstanceIdL()
       
   129      */
       
   130     TCalenInstanceId InstanceId() const;
       
   131 
       
   132     /**
       
   133      * Gets the id of the currently active view.
       
   134      * @return The view id of the currently active view.
       
   135      */
       
   136     TVwsViewId ViewId() const;
       
   137 
       
   138 public:	// Multiple Context support
       
   139 
       
   140     /**
       
   141      * Set multiple context ids
       
   142      *
       
   143      * @param aMutlipleContextIds
       
   144      */	
       
   145     void SetMutlipleContextIds(RArray<TCalenInstanceId>& aMutlipleContextIds);
       
   146 
       
   147     /**
       
   148      * Remove multiple context id 
       
   149      * 
       
   150      * @param aInstanceId Instance Id for which context to be removed
       
   151      */
       
   152     void RemoveMultipleContextId(TCalenInstanceId aInstanceId);
       
   153 
       
   154     /**
       
   155      * Resets all the multiple context ids
       
   156      * 
       
   157      */
       
   158     void ResetMultipleContextIds(TInt aDbId=0);
       
   159 
       
   160     /**
       
   161      * Getter for multiple context ids
       
   162      *
       
   163      * @return RArray<TCalenInstanceId>&
       
   164      */
       
   165     RArray<TCalenInstanceId>& GetMutlipleContextIds(TInt aDbId=0);
       
   166 
       
   167     /**
       
   168      * Returns mutliple context's count
       
   169      *
       
   170      * @return 
       
   171      */
       
   172     TInt MutlipleContextIdsCount();
       
   173 
       
   174     /**
       
   175      * Sets the user selected landmark
       
   176      * @param aLandMark	Landmark object
       
   177      */
       
   178     void SetLandMark(CPosLandmark* aLandMark);
       
   179 
       
   180     /**
       
   181      * Returns the user selected landmark
       
   182      * @return Landmark object
       
   183      */
       
   184     CPosLandmark* GetLandMark();
       
   185 
       
   186     /**
       
   187      * Resets the landmark
       
   188      */
       
   189     void ResetLandMark();
       
   190 
       
   191     /**
       
   192      * Allows extending this API without breaking BC.
       
   193      * 
       
   194      * @param aExtensionUid specifies
       
   195      * @return extension of the requested type
       
   196      */
       
   197     TAny* CalenContextExtensionL( TUid aExtensionUid );
       
   198     
       
   199 	/**
       
   200 	* @brief Get calendar filename 
       
   201 	* 
       
   202 	* @return TDesC& reference to calendar filename
       
   203 	*/
       
   204     TDesC& GetCalendarFileNameL() const;
       
   205 
       
   206     /**
       
   207 	* @brief Set the calendar filename
       
   208 	*
       
   209 	* @param aName referance to calendar file name 
       
   210 	*/
       
   211     void SetCalendarFileNameL(const TDesC& aName);
       
   212     
       
   213     /**
       
   214 	* @brief Resets calendar file name in context
       
   215 	*/
       
   216     void ResetCalendarFileName();
       
   217 
       
   218 private:  // Data
       
   219     MCalenContextChangeObserver* iObserver;
       
   220     TCalTime iFocusDate;
       
   221     TTimeIntervalMinutes iFocusTime;
       
   222     TCalenInstanceId iInstanceId;
       
   223     TVwsViewId iViewId;
       
   224     CPosLandmark* iLandMark;
       
   225     CCalGeoValue* iGeoValue;
       
   226     HBufC* iLocation;
       
   227     // Multiple context ids
       
   228     RArray<TCalenInstanceId> iMutlipleContextIds;
       
   229     HBufC* iCalenFileName;
       
   230     };
       
   231 
       
   232 #endif // CALENCONTEXTIMPL_H
       
   233 
       
   234 // End of file