javaextensions/location/landmarks/inc/tlapisearchcriteria.h
changeset 21 2a9601315dfc
equal deleted inserted replaced
18:e8e63152f320 21:2a9601315dfc
       
     1 /*
       
     2 * Copyright (c) 2008 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:  Defines a landmark search criteria
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef TLAPISEARCHCRITERIA_H
       
    20 #define TLAPISEARCHCRITERIA_H
       
    21 
       
    22 // EXTERNAL INCLUDES
       
    23 #include    <e32std.h>
       
    24 
       
    25 /**
       
    26  * Defines a landmark search criteria
       
    27  *
       
    28  * The class is only a container class for the data. It does not own
       
    29  * any of the search attributes but delegates them to the search
       
    30  * provider
       
    31  *
       
    32  * @lib N/A
       
    33  * @since S60 3.2
       
    34  */
       
    35 NONSHARABLE_CLASS(TLAPISearchCriteria)
       
    36 {
       
    37 
       
    38 public: // Constructors
       
    39 
       
    40     /**
       
    41      * Constructs a default search criteria. The default
       
    42      * will return all available items
       
    43      */
       
    44     inline TLAPISearchCriteria();
       
    45 
       
    46 public: // New functions
       
    47 
       
    48     /**
       
    49      * Sets the attributes of a search text. The attributes
       
    50      * indicate that which text fields are searched from
       
    51      * each landmark to find the matching items.
       
    52      *
       
    53      * Currently, the only supported fields are name and description
       
    54      *
       
    55      * @param aTextAttributes The attributes of a search text
       
    56      */
       
    57     inline void SetTextAttributes(TUint aTextAttributes);
       
    58 
       
    59     /**
       
    60      * Sets the search string.
       
    61      *
       
    62      * The text must be a non-empty descriptor. Otherwise the search
       
    63      * will fail with KErrArgument. The search is case insensitive.
       
    64      *
       
    65      * Wild card characters "?" and "*" are supported in the search string.
       
    66      * "?" matches a single occurrence of any character and "*" matches
       
    67      * zero or more consecutive occurrences of any characters.
       
    68      *
       
    69      * A landmark matches the criteria if specified text is found anywhere
       
    70      * in selected attributes set using SetTextAttributes
       
    71      *
       
    72      * @param aText The text to search for.
       
    73      */
       
    74     inline void SetText(const TDesC* aText);
       
    75 
       
    76     /**
       
    77      * Sets the name of the category which should be used as landmark
       
    78      * search criteria. The whole category name must be specified. Category
       
    79      * searching is not supported using wild cards and will be considered
       
    80      * as ordinary characters
       
    81      *
       
    82      * The matching is case sensitive. An empty descriptor means uncategorized
       
    83      * landmarks search.
       
    84      *
       
    85      * @param aCategoryName The category name.
       
    86      */
       
    87     inline void SetCategoryName(const TDesC* aCategoryName);
       
    88 
       
    89     /**
       
    90      * Define the search area from which the landmarks are searched
       
    91      *
       
    92      * If the parameters are out of range. The search will faile with KErrArgument
       
    93      * The correct ranges are:
       
    94      *   -# -90 =< aSouthLatitude =< aNorthLatitude =< 90
       
    95      *   -# -180 <= aWestLongitude < 180
       
    96      *   -# -180 <= aEastLongitude <= 180
       
    97      *
       
    98      * @param aSouthLatitude The southern latitude border of the search area.
       
    99      * @param aNorthLatitude The northern latitude border of the search area.
       
   100      * @param aWestLongitude The western longitude border of the search area.
       
   101      * @param aEastLongitude The eastern longitude border of the search area.
       
   102      */
       
   103     inline void SetArea(const TReal64& aSouthLatitude,
       
   104                         const TReal64& aNorthLatitude, const TReal64& aWestLongitude,
       
   105                         const TReal64& aEastLongitude);
       
   106 
       
   107     /**
       
   108      * Returns the search attributes of the search text
       
   109      */
       
   110     inline TUint TextAttributes() const;
       
   111 
       
   112     /**
       
   113      * Returns the search text. NULL if not set
       
   114      */
       
   115     inline const TDesC* Text() const;
       
   116 
       
   117     /**
       
   118      * Returns the search category name. NULL if not set
       
   119      */
       
   120     inline const TDesC* CategoryName() const;
       
   121 
       
   122     /**
       
   123      * Checks if the coordinates are set using SetArea
       
   124      */
       
   125     inline TBool HasValidCoordinates() const;
       
   126 
       
   127     /**
       
   128      * Gets the search area. The area may not have been set yet and
       
   129      * should be checked with HasValidCoordinates()
       
   130      */
       
   131     inline void GetArea(TReal64& aSouthLatitude, TReal64& aNorthLatitude,
       
   132                         TReal64& aWestLongitude, TReal64& aEastLongitude) const;
       
   133 
       
   134 private: // Data
       
   135 
       
   136     // Search text. Not owned
       
   137     const TDesC* iText;
       
   138 
       
   139     // Search text attributes
       
   140     TUint iTextAttributes;
       
   141 
       
   142     // Searched category. Not owned
       
   143     const TDesC* iCategoryName;
       
   144 
       
   145     // Marks a search area
       
   146     TReal64 iSouthLatitude;
       
   147     TReal64 iNorthLatitude;
       
   148     TReal64 iWestLongitude;
       
   149     TReal64 iEastLongitude;
       
   150 
       
   151 }
       
   152 ;
       
   153 
       
   154 // Inline functions
       
   155 #include    "tlapisearchcriteria.inl"
       
   156 
       
   157 #endif // TLAPISEARCHCRITERIA_H
       
   158 // End of file