1 /*

     2 * Copyright (c) 2010 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: 

    15 *

    16 */

    17 

    18 #include <cpixsearcher.h>

    19 #include <cpixcommon.h>

    20 #include <CCPixSearcher.h>

    21 #include <CSearchDocument.h>

    22 

    23 #include "cpixsearcherprivate.h"

    24 #include "cpixutils.h"

    25 

    26 /**

    27  * Note: Code in this file should never throw OR leak symbian exceptions.

    28  * Convert all leaves to C++ exceptions.

    29  */

    30 

    31 CpixSearcher::CpixSearcher()

    32     :iPvtImpl( new CpixSearcherPrivate( this ) )

    33     {

    34     PERF_SEARCH_START_TIMER

    35     PERF_GETDOC_START_TIMER

    36     }

    37 

    38 CpixSearcher::~CpixSearcher()

    39     {

    40     delete iPvtImpl;

    41     }

    42 

    43 CpixSearcher* CpixSearcher::newInstance()

    44     {

    45     CpixSearcher* searcher = NULL;

    46     try{

    47         searcher = new CpixSearcher();

    48         searcher->iPvtImpl->Construct( QString() );

    49     }

    50     catch(...){

    51         delete searcher;

    52         return NULL;

    53     }

    54     return searcher;

    55     }

    56 

    57 CpixSearcher* CpixSearcher::newInstance( QString aBaseAppClass, QString aDefaultSearchField )

    58     {

    59     CpixSearcher* searcher = NULL;

    60     try{

    61         searcher = new CpixSearcher();

    62         searcher->iPvtImpl->Construct( aDefaultSearchField );

    63         searcher->setDatabase( aBaseAppClass );

    64     }

    65     catch(...){

    66         delete searcher->iPvtImpl;

    67         return NULL;

    68     }

    69     return searcher;

    70     }

    71 

    72 void CpixSearcher::setDatabase( QString aBaseAppClass )

    73     {

    74     QT_TRAP_THROWING( 

    75     TBuf<KMaxStringLength> baseAppClass( aBaseAppClass.utf16() );

    76     iPvtImpl->iSearcher->OpenDatabaseL( baseAppClass ) ;

    77     ); //end of QT_TRAP_THROWING

    78     }

    79 

    80 void CpixSearcher::setDatabaseAsync( QString aBaseAppClass )

    81     {

    82     QT_TRAP_THROWING( 

    83     TBuf<KMaxStringLength> baseAppClass( aBaseAppClass.utf16() );

    84     iPvtImpl->iSearcher->OpenDatabaseL( *iPvtImpl, baseAppClass ) 

    85     ); //end of QT_TRAP_THROWING

    86     }

    87 

    88 //The following bit of code is common to two functions - this helps to avoid duplication.

    89 //However, macros make debugging difficult - so, if you need to debug, copy the code below

    90 //and replace the macro, fix the code and bring the fix back to the macro.

    91 #define CREATE_SEARCH_VARS \

    92         HBufC* searchString = HBufC::NewL( aSearchString.length() + 1 );                    \

    93         TPtrC searchStringPtr( reinterpret_cast<const TUint16*>( aSearchString.utf16() ) ); \

    94         searchString->Des().Copy( searchStringPtr );                                        \

    95                                                                                             \

    96         HBufC* defaultSearchField = HBufC::NewL( aDefaultSearchField.length() + 1 );        \

    97         TPtrC aDefaultSearchFieldPtr( reinterpret_cast<const TUint16*>( aDefaultSearchField.utf16() ) );\

    98         defaultSearchField->Des().Copy( aDefaultSearchFieldPtr );                           

    99 

   100 #define DELETE_SEARCH_VARS  \

   101         delete searchString;\

   102         delete defaultSearchField;

   103 

   104 int CpixSearcher::search( QString aSearchString, QString aDefaultSearchField )

   105     {

   106     PERF_SEARCH_RESTART_TIMER

   107     int tmp = 0;

   108     QT_TRAP_THROWING(

   109         CREATE_SEARCH_VARS;

   110         //ideally would have had just the following single line:

   111         //QT_TRAP_THROWING( return iPvtImpl->iSearcher->SearchL( searchString, defaultSearchField ) );

   112         //But the RCVT compiler throws up warnings. The following is just to suppress those warnings.

   113         tmp = iPvtImpl->iSearcher->SearchL( *searchString, *defaultSearchField );

   114         DELETE_SEARCH_VARS;

   115     ); //QT_TRAP_THROWING

   116     

   117     PERF_SEARCH_ENDLOG

   118     return tmp;

   119     }

   120 

   121 void CpixSearcher::searchAsync( QString aSearchString, QString aDefaultSearchField )

   122     {

   123     PERF_TIME_NOW("Async search start")

   124     QT_TRAP_THROWING(

   125         CREATE_SEARCH_VARS;

   126         iPvtImpl->iSearcher->SearchL( *iPvtImpl, *searchString, *defaultSearchField );

   127         DELETE_SEARCH_VARS;

   128     ); //QT_TRAP_THROWING

   129     }

   130 

   131 CpixDocument* CpixSearcher::document( int aIndex )

   132     {

   133     PERF_GETDOC_RESTART_TIMER

   134     CpixDocument* tmp = 0;

   135     QT_TRAP_THROWING( tmp = CpixDocFromCSearchDocument( iPvtImpl->iSearcher->GetDocumentL( aIndex ) ) );

   136     PERF_GETDOC_ENDLOG

   137     return tmp;

   138     }

   139 

   140 void CpixSearcher::documentAsync( int aIndex )

   141     {

   142     PERF_TIME_NOW("Async get document start")

   143     QT_TRAP_THROWING( iPvtImpl->iSearcher->GetDocumentL( aIndex, *iPvtImpl ) );

   144     }

   145 

   146 void CpixSearcher::cancelSearch()

   147     {

   148     iPvtImpl->iSearcher->Cancel();

   149     }