serviceproviders/sapi_calendar/inc/calendariterableimpl.h
changeset 5 989d2f495d90
child 23 50974a8b132e
equal deleted inserted replaced
1:a36b1e19a461 5:989d2f495d90
       
     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 the License "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:  Defination of class CCalendarInterface
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef __CALENDARITERABLEIMPL_H
       
    20 #define __CALENDARITERABLEIMPL_H
       
    21 
       
    22 #include <LiwCommon.h>
       
    23 #include <LiwServiceIfBase.h>
       
    24 #include <LiwBufferExtension.h>
       
    25 
       
    26 #include <calentry.h>
       
    27 #include <calinstance.h>
       
    28 #include "calendarinterface.h"
       
    29 
       
    30 /**
       
    31 * Implemenation of abstract interface to iterate over the collection of Calendars.
       
    32 *
       
    33 * @see CLiwIterable
       
    34 *
       
    35 */
       
    36 class CIterableCalendarList : public CLiwIterable	
       
    37 	{
       
    38 	public:
       
    39 	  	/**
       
    40 	     * Two-phase Constructor
       
    41 	     * @param aList list to be iterated 
       
    42 	     * @return new CIterableCalList object
       
    43 	    */	
       
    44 		static CIterableCalendarList* NewL( CDesCArray* aList );
       
    45 
       
    46 		/**
       
    47 		* Resets the iterator. 
       
    48 		*
       
    49 	     * @return void
       
    50 		*/
       
    51 		void Reset();
       
    52 
       
    53 		/**
       
    54 		* Iterates over the collection entries to fetch the next data element.
       
    55 		*
       
    56 		* @param aValue contains the next data element
       
    57 		*
       
    58 		* @return false if there are no more data elements to be fetched;
       
    59 		* true otherwise
       
    60 		* 
       
    61 		*/
       
    62 		TBool NextL(TLiwVariant& aValue);
       
    63 		
       
    64 	    /**
       
    65 	    * Destructor.
       
    66 	    */
       
    67 		~CIterableCalendarList();
       
    68 
       
    69 	private:
       
    70 	
       
    71 	    /**
       
    72 	    * Constructor
       
    73 	     * @param aList list to be iterated 
       
    74 	     * @return void
       
    75 	    */
       
    76 		CIterableCalendarList( CDesCArray* aList );
       
    77 
       
    78 
       
    79 	private:
       
    80 	
       
    81 	  	/**
       
    82 	     * CDesCArray  class pointer
       
    83 	    */		
       
    84 		CDesCArray* 	iList;
       
    85 
       
    86 	  	/**
       
    87 	     * Index on list
       
    88 	    */		
       
    89 		TInt					iIndex;	
       
    90 	};
       
    91 
       
    92 /**
       
    93 * Implemenation of abstract interface to iterate over the collection of Calendar Entries.
       
    94 *
       
    95 * @see CLiwIterable
       
    96 *
       
    97 */
       
    98 class CIterableCalEntryList : public CLiwIterable	
       
    99 	{
       
   100 	public:
       
   101 	  	/**
       
   102 	     * Two-phase Constructor
       
   103 	     * @param aInterface Calendar Interface reference
       
   104 	     * @param aCalendarName Calendar Name
       
   105 	     * @param aIsEntryList Flag for checking validity of EntryList
       
   106 	     * @return new CIterableCalList object
       
   107 	    */	
       
   108 		static CIterableCalEntryList* NewL( CCalendarInterface& aInterface, 
       
   109 												const TDesC& aCalendarName, 
       
   110 												const TBool aIsEntryList );
       
   111 
       
   112 		/**
       
   113 		* Resets the iterator. 
       
   114 		*
       
   115 		*/
       
   116 		void Reset();
       
   117 
       
   118 		/**
       
   119 		* Iterates over the collection entries to fetch the next data element.
       
   120 		*
       
   121 		* @param aEntry contains the next data element and its corresponding data type
       
   122 		*
       
   123 		* @return false if there are no more data elements to be fetched;
       
   124 		* true otherwise
       
   125 		* 
       
   126 		*/
       
   127 		TBool NextL(TLiwVariant& aEntry);
       
   128 		
       
   129 		/**
       
   130 		* Return reference of the collection entries.
       
   131 		*
       
   132 		* @return Return reference of the collection entries
       
   133 		* 
       
   134 		*/
       
   135 		RPointerArray<CCalEntry>& EntryArray();
       
   136 
       
   137 		/**
       
   138 		* Return reference of the collection instances.
       
   139 		*
       
   140 		* @return Return reference of the collection instances.
       
   141 		* 
       
   142 		*/
       
   143 		RPointerArray<CCalInstance>& InstanceArray();
       
   144 		
       
   145 		/**
       
   146 		* Return reference of the collection instances.
       
   147 		*
       
   148 		* @return Return reference of the collection instances.
       
   149 		* 
       
   150 		*/
       
   151 		void SetResourceFree();
       
   152 		
       
   153 		/**
       
   154 		* Return CalendarName.
       
   155 		*
       
   156 		* @return Return CalendarName.
       
   157 		* 
       
   158 		*/
       
   159 		TPtrC CalendarName();
       
   160 		
       
   161 	    /**
       
   162 	    * Destructor.
       
   163 	    */
       
   164 		~CIterableCalEntryList();
       
   165 
       
   166 	private:
       
   167 
       
   168 	    /**
       
   169 	    * Constructor
       
   170 	    * @param aInterface Calendar interface reference
       
   171 	    * @param aList list to be iterated 
       
   172 	    * @return void
       
   173 	    */
       
   174 		CIterableCalEntryList( CCalendarInterface& 	aInterface, const TBool aIsEntryList );
       
   175 
       
   176 	  	/**
       
   177 	     * Two-phase Constructor
       
   178 	     * @param aCalendarName CalendarName to which this resource belongs
       
   179 	     * @return void
       
   180 	    */	
       
   181 		void ConstructL( const TDesC& aCalendarName );
       
   182 		
       
   183 	private:
       
   184 	
       
   185 	  	/**
       
   186 	     * Calendar Entry List
       
   187 	    */		
       
   188 		RPointerArray<CCalEntry> iEntryList;
       
   189 
       
   190 	  	/**
       
   191 	     * Calendar Instances List
       
   192 	    */		
       
   193 		RPointerArray<CCalInstance> iInstanceList;
       
   194 
       
   195 	  	/**
       
   196 	     * Index on list
       
   197 	    */		
       
   198 		TInt					iIndex;	
       
   199 
       
   200 	  	/**
       
   201 	     * Flag to check the validity of iEntryList;
       
   202 	     * Only one of the iEntryList/iInstanceList can be valid
       
   203 	    */		
       
   204 		TBool					iIsEntryList;	
       
   205 		
       
   206 	  	/**
       
   207 	     * Flag to check the validity of iEntryList/iInstanceList;
       
   208 	    */		
       
   209 		TBool					iIsResourceFree;	
       
   210 
       
   211 	  	/**
       
   212 	     * Calendar Interface reference
       
   213 	    */		
       
   214 		CCalendarInterface& 	iInterface;
       
   215 		
       
   216 	  	/**
       
   217 	     * Calendar Name
       
   218 	    */		
       
   219 		HBufC* 					iCalendarName;
       
   220 		
       
   221 	};
       
   222 
       
   223 /**
       
   224 * An associative array or dictionary class. The collection
       
   225 * key entries are of type string (Descriptor type) and their  
       
   226 * associated values can be an variant type.
       
   227 * 
       
   228 *  \c CLiwDefaultMap provides default map implementation to
       
   229    *  <ul>
       
   230    *     <li>insert a key-value pair</li>
       
   231    *     <li>find a stored value based on a key</li>
       
   232    *     <li>get a key based on an index</li>
       
   233    *     <li>remove a key-value pair based on a key</li>
       
   234    *		 <li>get the total number of stored key-value pairs</li>
       
   235    *   </ul>
       
   236 * 
       
   237 *
       
   238 * @lib ServiceHandler.lib
       
   239 * @since S60 5.0
       
   240 *
       
   241 * @see CLiwContainer
       
   242 * @see TLiwVariant
       
   243 * @see CLiwMap
       
   244 *
       
   245 */
       
   246 class CLiwCalEntryMap : public CLiwMap
       
   247 {
       
   248  public:
       
   249   
       
   250   /*
       
   251    * Creates an instance of CLiwCalEntryMap
       
   252    *
       
   253    * @param aEntry Calendar Entry
       
   254    *
       
   255    * @return an instance of CLiwCalEntryMap
       
   256    */
       
   257    static CLiwCalEntryMap* NewL( CCalEntry* aEntry );
       
   258   
       
   259   /*
       
   260    * Creates an instance of CLiwCalEntryMap
       
   261    *
       
   262    * @param aEntry Calendar Entry Instance
       
   263    *
       
   264    * @return an instance of CLiwCalEntryMap
       
   265    */
       
   266    static CLiwCalEntryMap* NewL( CCalInstance* aEntry );
       
   267   
       
   268   /**
       
   269     * Inserts a key-value pair element to the map collection. If
       
   270     * the specified key already exists, it will be removed from
       
   271     * the collection and the new key-value pair will be added to the
       
   272     * map.
       
   273     *  
       
   274     * @param aKey the key to be stored
       
   275     * @param aValue the value associated with the key to be stored
       
   276    	*
       
   277    	* @return void
       
   278     */
       
   279   	void InsertL(const TDesC8& aKey, const TLiwVariant& aValue);
       
   280   
       
   281   /**
       
   282     * Finds a value stored in the map collection based on the key.
       
   283     *  
       
   284     * @param aKey the key to be searched
       
   285     * @param aFndValue the value associated with the found key
       
   286     *
       
   287     * @return false if there is no key stored; true otherwise
       
   288    */
       
   289   	TBool FindL(const TDesC8& aKey, TLiwVariant& aValue) const;
       
   290   
       
   291   /**
       
   292     * Returns the number of key-value pair stored in the map collection.
       
   293     *  
       
   294     * @return the number of key-value pair stored in the map collection
       
   295    */
       
   296   	TInt Count() const;
       
   297   
       
   298   /**
       
   299     * Returns the key stored at a specified index. 
       
   300     *  
       
   301     * @param aIndex the index of the key to be found
       
   302     * @param aFndKey the key found at the passed index
       
   303     *
       
   304     * @return true if a key-value entry is found at the passed index;
       
   305     * false otherwise
       
   306    */
       
   307   	TBool AtL(TInt aIndex, TDes8& aFndKey) const;
       
   308   
       
   309   /**
       
   310     * Removes a key from the map collection.
       
   311     *  
       
   312     * @param aKey the key to be removed from the map
       
   313    */
       
   314   	void Remove(const TDesC8& aKey);
       
   315   
       
   316   
       
   317   
       
   318  private:
       
   319  
       
   320  	/*
       
   321  	 * Constructor
       
   322  	 */
       
   323 	CLiwCalEntryMap( CLiwGenericParamList* aMap, CCalEntry* aEntry ) 
       
   324 	: iMap(aMap), iCalEntry(aEntry), iIsEntry(ETrue)
       
   325 	 {}
       
   326   
       
   327  	/*
       
   328  	 * Constructor
       
   329  	 */
       
   330 	CLiwCalEntryMap( CLiwGenericParamList* aMap, CCalInstance* aInstance ) 
       
   331 	: iMap(aMap), iCalInstance(aInstance), iIsEntry(EFalse)
       
   332 	 { iCalEntry = &aInstance->Entry(); }
       
   333   
       
   334 	/**
       
   335 	* Adds the element to the Map is it doesnot exist already
       
   336 	*  
       
   337 	* @param aMap The map to be used for searching
       
   338 	*
       
   339 	* @param aKey The key to be searched
       
   340 	*
       
   341 	* @return void
       
   342 	*/
       
   343 	static void PopulateKeyL( CLiwCalEntryMap* aMap,  const TDesC8& aKey );
       
   344   
       
   345 	/**
       
   346 	* Adds the Meeting entry element to the Map is it doesnot exist already
       
   347 	*  
       
   348 	* @param aMap The map to be used for searching
       
   349 	*
       
   350 	* @param aKey The key to be searched
       
   351 	*
       
   352 	* @return void
       
   353 	*/
       
   354 	static void PopulateMeetingKeyL( CLiwCalEntryMap* aMap,  const TDesC8& aKey );
       
   355   
       
   356 
       
   357 	/*
       
   358 	* Destructor
       
   359 	*/
       
   360 	virtual ~CLiwCalEntryMap();
       
   361   
       
   362 	/*
       
   363 	* the underlying generic parameter list
       
   364 	*/
       
   365 	CLiwGenericParamList* iMap;
       
   366   
       
   367   	/**
       
   368      * CCalEntry class pointer
       
   369     */		
       
   370 	CCalEntry* 			iCalEntry;
       
   371 		
       
   372   	/**
       
   373      * CCalInstance class pointer
       
   374     */		
       
   375 	CCalInstance* 		iCalInstance;
       
   376 	
       
   377   	/**
       
   378      * Flag to check for the validity of iCalEntry
       
   379     */		
       
   380 	TBool				iIsEntry;
       
   381 };
       
   382 
       
   383 
       
   384 /**
       
   385 * Implemenation of abstract interface to iterate over the collection of UIDSets
       
   386 *
       
   387 * @see CLiwIterable
       
   388 *
       
   389 */
       
   390 class CIterableUIDMapList : public CLiwIterable	
       
   391 	{
       
   392 	public:
       
   393 	  	/**
       
   394 	     * Two-phase Constructor
       
   395 	     * @param aList list to be iterated 
       
   396 	     * @return new CIterableUIDMapList object
       
   397 	    */	
       
   398 		static CIterableUIDMapList* NewL( CLiwDefaultList *aUIDMapList );
       
   399 
       
   400 		/**
       
   401 		* Resets the iterator. 
       
   402 		*
       
   403 		*/
       
   404 		void Reset();
       
   405 
       
   406 		/**
       
   407 		* Iterates over the collection entries to fetch the next data element.
       
   408 		*
       
   409 		* @param aEntry contains the next data element and its corresponding data type
       
   410 		*
       
   411 		* @return false if there are no more data elements to be fetched;
       
   412 		* true otherwise
       
   413 		* 
       
   414 		*/
       
   415 		TBool NextL(TLiwVariant&);
       
   416 		
       
   417 	    /**
       
   418 	    * Destructor.
       
   419 	    */
       
   420 		~CIterableUIDMapList();
       
   421 
       
   422 	private:
       
   423 	
       
   424 	    /**
       
   425 	    * Constructor
       
   426 	     * @param aList list to be iterated 
       
   427 	     * @return void
       
   428 	    */
       
   429 		CIterableUIDMapList( CLiwDefaultList *aUIDMapList );
       
   430 
       
   431 
       
   432 	private:
       
   433 	
       
   434 	  	/**
       
   435 	     * CLiwDefaultList  class pointer
       
   436 	    */		
       
   437 		CLiwDefaultList *iUIDMapList;
       
   438 
       
   439 	  	/**
       
   440 	     * Index on list
       
   441 	    */		
       
   442 		TInt					iIndex;	
       
   443 	};
       
   444 	
       
   445 #endif __CALENDARITERABLEIMPL_H