searchui/indevicehandler/src/indevicehandler.cpp
changeset 0 ccd0fd43f247
child 2 208a4ba3894c
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     1 /*
       
     2  * Copyright (c) 2009 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 indevice handler
       
    15  *
       
    16  */
       
    17 #include "indevicehandler.h"
       
    18 #include <qcpixsearcher.h>
       
    19 #include <qcpixdocument.h>
       
    20 
       
    21 // ---------------------------------------------------------------------------
       
    22 // InDeviceHandler::InDeviceHandler()
       
    23 // ---------------------------------------------------------------------------
       
    24 //
       
    25 InDeviceHandler::InDeviceHandler() :
       
    26     mSearchInterface(0), mSearchResultCount(0)
       
    27     {
       
    28     }
       
    29 // ---------------------------------------------------------------------------
       
    30 // InDeviceHandler::getSearchResult(int aError, int estimatedResultCount)
       
    31 // aError: error code
       
    32 // estimatedResultCount: number of hits
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 void InDeviceHandler::getSearchResult(int aError, int estimatedResultCount)
       
    36     {
       
    37     qDebug() << aError << estimatedResultCount;
       
    38     mSearchResultCount = estimatedResultCount;
       
    39     emit handleAsyncSearchResult(aError, estimatedResultCount);
       
    40     }
       
    41 // ---------------------------------------------------------------------------
       
    42 // InDeviceHandler::getDocumentAsync(int aError, QCPixDocument* aDocument)
       
    43 // aError: error code
       
    44 // aDocument: holding the result item
       
    45 // ---------------------------------------------------------------------------
       
    46 //
       
    47 void InDeviceHandler::getDocumentAsync(int aError, QCPixDocument* aDocument)
       
    48     {
       
    49     emit handleDocument(aError, aDocument);
       
    50     }
       
    51 // ---------------------------------------------------------------------------
       
    52 // InDeviceHandler::getDocumentAtIndex(int aIndex)
       
    53 // aIndex: item index to be found
       
    54 // ---------------------------------------------------------------------------
       
    55 //
       
    56 QCPixDocument* InDeviceHandler::getDocumentAtIndex(int aIndex)
       
    57     {
       
    58     QCPixDocument* doc = NULL;
       
    59     if (mSearchInterface)
       
    60         {
       
    61         try
       
    62             {
       
    63             doc = mSearchInterface->getDocument(aIndex);
       
    64 
       
    65             }
       
    66         catch (...)
       
    67             {
       
    68             delete doc;
       
    69             return NULL;
       
    70             }
       
    71         }
       
    72     return doc;
       
    73     }
       
    74 // ---------------------------------------------------------------------------
       
    75 // InDeviceHandler:: search(QString aSearchString)
       
    76 // aSearchString: string to be searched sync
       
    77 // ---------------------------------------------------------------------------
       
    78 //
       
    79 void InDeviceHandler::search(QString aSearchString)
       
    80     {
       
    81     qDebug() << "InDeviceHandler::search Enter";
       
    82     if (aSearchString.length())
       
    83         {
       
    84         int error = 0;
       
    85         mSearchResultCount = 0;
       
    86         if (mSearchInterface)
       
    87             {
       
    88             try
       
    89                 {
       
    90                 mSearchResultCount = mSearchInterface->search(aSearchString);
       
    91                 }
       
    92             catch (...)
       
    93                 {
       
    94                 error = -1;
       
    95                 }
       
    96             }
       
    97         emit handleSearchResult(error, mSearchResultCount);
       
    98         }
       
    99     qDebug() << "InDeviceHandler::search Exit";
       
   100     }
       
   101 // ---------------------------------------------------------------------------
       
   102 // InDeviceHandler::~InDeviceHandler()
       
   103 // ---------------------------------------------------------------------------
       
   104 //
       
   105 InDeviceHandler::~InDeviceHandler()
       
   106     {
       
   107     if (mSearchInterface)
       
   108         {
       
   109         delete mSearchInterface;
       
   110 
       
   111         }
       
   112     }
       
   113 // ---------------------------------------------------------------------------
       
   114 // InDeviceHandler::getSearchResultCount()
       
   115 // gets the number of hits
       
   116 // ---------------------------------------------------------------------------
       
   117 //
       
   118 int InDeviceHandler::getSearchResultCount()
       
   119     {
       
   120     return mSearchResultCount;
       
   121     }
       
   122 // ---------------------------------------------------------------------------
       
   123 // InDeviceHandler::getDocumentAsyncAtIndex(int aIndex)
       
   124 // aIndex :  index of item to be found async
       
   125 // ---------------------------------------------------------------------------
       
   126 //
       
   127 void InDeviceHandler::getDocumentAsyncAtIndex(int aIndex)
       
   128     {
       
   129     if (mSearchInterface)
       
   130         {
       
   131         try
       
   132             {
       
   133             mSearchInterface->getDocumentAsync(aIndex);
       
   134             }
       
   135         catch (...)
       
   136             {
       
   137             // handle the exception
       
   138             return;
       
   139             }
       
   140         }
       
   141 
       
   142     }
       
   143 // ---------------------------------------------------------------------------
       
   144 // InDeviceHandler::searchAsync(QString aSearchAsyncString, QString/* aDefaultSearchField*/)
       
   145 // aSearchAsyncString: string to be searched
       
   146 // async
       
   147 // ---------------------------------------------------------------------------
       
   148 //
       
   149 void InDeviceHandler::searchAsync(QString aSearchAsyncString, QString/* aDefaultSearchField*/)
       
   150     {
       
   151     if (aSearchAsyncString.length())
       
   152         {
       
   153         mSearchResultCount = 0;
       
   154         if (mSearchInterface)
       
   155             {
       
   156             try
       
   157                 {
       
   158                 mSearchInterface->searchAsync(aSearchAsyncString);
       
   159                 }
       
   160             catch (...)
       
   161                 {
       
   162                 // handle the exception
       
   163                 return;
       
   164                 }
       
   165             }
       
   166         }
       
   167     }
       
   168 // ---------------------------------------------------------------------------
       
   169 // InDeviceHandler::cancelLastSearch()
       
   170 // ---------------------------------------------------------------------------
       
   171 //
       
   172 void InDeviceHandler::cancelLastSearch()
       
   173     {
       
   174     if (mSearchInterface)
       
   175 
       
   176         {
       
   177         try
       
   178             {
       
   179             mSearchInterface->cancelSearch();
       
   180             }
       
   181         catch (...)
       
   182             {
       
   183             // handle the exception
       
   184             return;
       
   185             }
       
   186         }
       
   187     }
       
   188 // ---------------------------------------------------------------------------
       
   189 // InDeviceHandler::setCategory(QString astring)
       
   190 // astring: setting categories to be searched
       
   191 // ---------------------------------------------------------------------------
       
   192 //
       
   193 void InDeviceHandler::setCategory(QString astring)
       
   194     {
       
   195     if (mSearchInterface)
       
   196         {
       
   197         delete mSearchInterface;
       
   198         mSearchInterface = NULL;
       
   199         }
       
   200     if (astring.length())
       
   201         {
       
   202         QString database("root ");
       
   203         database.append(astring);
       
   204         mSearchInterface = QCPixSearcher::newInstance(database,
       
   205                 DEFAULT_SEARCH_FIELD);
       
   206         try
       
   207             {
       
   208             mSearchInterface->connect(mSearchInterface,
       
   209                     SIGNAL(handleSearchResults(int,int)), this,
       
   210                     SLOT(getSearchResult(int,int)));
       
   211             }
       
   212         catch (...)
       
   213             {
       
   214             // handle the exception
       
   215             }
       
   216 
       
   217         try
       
   218             {
       
   219             mSearchInterface->connect(mSearchInterface,
       
   220                     SIGNAL(handleDocument(int,QCPixDocument*)), this,
       
   221                     SLOT(getDocumentAsync(int,QCPixDocument*)));
       
   222             }
       
   223         catch (...)
       
   224             {
       
   225             // handle the exception
       
   226             }
       
   227         }
       
   228     }
       
   229 // ---------------------------------------------------------------------------
       
   230 // InDeviceHandler::isPrepared()
       
   231 // verify the mSearchInterface is prepared or not
       
   232 // ---------------------------------------------------------------------------
       
   233 //
       
   234 bool InDeviceHandler::isPrepared()
       
   235     {
       
   236     if (mSearchInterface)
       
   237         {
       
   238         return true;
       
   239         }
       
   240 
       
   241     return false;
       
   242 
       
   243     }