radioapp/radiouiengine/src/radiohistorymodel_p.cpp
branchRCL_3
changeset 20 93c594350b9a
parent 19 cce62ebc198e
--- a/radioapp/radiouiengine/src/radiohistorymodel_p.cpp	Tue Aug 31 15:15:02 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,358 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-// System includes
-#include <QSqlDatabase>
-#include <QFile>
-#include <QDateTime>
-#include <QVariant>
-#include <QStringList>
-#include <QSqlError>
-#include <QSqlQueryModel>
-#include <QSqlRecord>
-
-// User includes
-#include "radiohistorymodel_p.h"
-#include "radiohistorymodel.h"
-#include "radiohistoryitem.h"
-#include "radiohistoryitem_p.h"
-#include "radiostation.h"
-#include "radiologger.h"
-
-static const QLatin1String DATABASE_NAME    ( "radioplayhistory.db" );
-static const QLatin1String DATABASE_DRIVER  ( "QSQLITE" );
-static const QLatin1String HISTORY_TABLE    ( "history" );
-static const QLatin1String SQL_CREATE_TABLE ( "CREATE TABLE history ("
-                                                "id INTEGER PRIMARY KEY AUTOINCREMENT, "
-                                                "artist TEXT NOT NULL, "
-                                                "title TEXT NOT NULL, "
-                                                "station TEXT NOT NULL, "
-                                                "frequency INTEGER NOT NULL, "
-                                                "tagged INTEGER NOT NULL DEFAULT 0, "
-                                                "fromRds INTEGER NOT NULL DEFAULT 1, "
-                                                "time INTEGER NOT NULL)" );
-
-static const QLatin1String SQL_ADD_ITEM     ( "INSERT INTO history (artist,title,station,frequency,fromRds,time) "
-                                                "VALUES ( ?,?,?,?,?,? )" );
-
-static const QLatin1String SQL_SELECT_ALL   ( "SELECT * FROM history ORDER BY id DESC" );
-static const QLatin1String SQL_SELECT_TAGGED( "SELECT * FROM history WHERE tagged=1" );// ORDER BY id DESC";
-
-static const QLatin1String SQL_DELETE_ALL   ( "DELETE FROM history" );
-static const QLatin1String SQL_DELETE_RECENT( "DELETE FROM history WHERE tagged=0" );
-//static const QLatin1String SQL_DELETE_TAGGED    = "DELETE FROM history WHERE tagged=1";
-static const QLatin1String SQL_CLEAR_TAGS   ( "UPDATE history SET tagged = 0 WHERE tagged = 1" );
-
-//static static const QLatin1String SQL_FIND_ITEM_BY_ID( "SELECT * FROM history WHERE id = ?" );
-static const QLatin1String SQL_TOGGLE_TAG   ( "UPDATE history SET tagged = ? WHERE id = ?" );
-
-#ifdef LOGGING_ENABLED
-#   define GET_ERR( param ) GETSTRING( param.lastError().text() )
-#   define GET_ERR_PTR( param ) GETSTRING( param->lastError().text() )
-#endif // LOGGING_ENABLED
-
-/*!
- * Static utility function to parse a frequency
- */
-static  QString parseFrequency( const uint frequency )
-{
-    QString loc = qtTrId( "txt_rad_dblist_val_l1_mhz" );
-    return loc.arg( RadioStation::parseFrequency( frequency ) );
-}
-
-/*!
- *
- */
-RadioHistoryModelPrivate::RadioHistoryModelPrivate( RadioHistoryModel* model,
-                                                    RadioUiEngine& uiEngine ) :
-    q_ptr( model ),
-    mUiEngine( uiEngine ),
-    mRtItemClass( -1 ),
-    mTopItemIsPlaying( false ),
-    mShowDetails( true ),
-    mViewMode( ShowAll )
-{
-}
-
-/*!
- *
- */
-RadioHistoryModelPrivate::~RadioHistoryModelPrivate()
-{
-    if ( mDatabase && mDatabase->isOpen() ) {
-        mDatabase->close();
-    }
-}
-
-/*!
- *
- */
-bool RadioHistoryModelPrivate::connectToDatabase()
-{
-    LOG_METHOD;
-    QSqlDatabase db = QSqlDatabase::addDatabase( DATABASE_DRIVER );
-    if ( db.isValid() ) {
-        mDatabase.reset( new QSqlDatabase( db ) );
-        mDatabase->setDatabaseName( DATABASE_NAME );
-
-        if ( !mDatabase->open() ) {
-            LOG_FORMAT( "Failed to open database! error = %s", GET_ERR_PTR( mDatabase ) );
-            mDatabase.reset();
-            return false;
-        }
-
-        // Create the table if it does not exist
-        if ( !mDatabase->tables().contains( HISTORY_TABLE ) ) {
-            LOG( "RadioHistoryModelPrivate::connectToDatabase: Creating database tables." );
-            QSqlQuery query;
-            if ( !query.exec( SQL_CREATE_TABLE ) ) {
-                LOG_FORMAT( "Database creation failed! error = %s", GET_ERR( query ) );
-                mDatabase->close();
-                mDatabase.reset();
-                return false;
-            }
-        }
-    } else {
-        LOG_FORMAT( "Invalid database! error = %s", GET_ERR( db ) );
-        return false;
-    }
-
-    mQueryModel.reset( new QSqlQueryModel() );
-    setViewMode( ShowAll );
-
-    return mQueryModel->lastError().type() == QSqlError::NoError;
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::addItem( const QString& artist,
-                                        const QString& title,
-                                        const RadioStation& station,
-                                        bool fromRds )
-{
-    LOG_FORMAT( "RadioHistoryModelPrivate::addItem. Artist: %s, Title: %s", GETSTRING( artist ), GETSTRING( title ) );
-
-    if ( !mQueryModel ) {
-        return;
-    }
-
-    mTopItemIsPlaying = true;
-
-    QSqlQuery query = beginTransaction();
-
-    query.prepare( SQL_ADD_ITEM );
-    query.addBindValue( artist );
-    query.addBindValue( title );
-    query.addBindValue( station.name() );
-    query.addBindValue( static_cast<int>( station.frequency() / 1000 ) );
-    query.addBindValue( fromRds );
-    query.addBindValue( QDateTime::currentDateTime().toTime_t() );
-
-    commitTransaction( query, InsertRows, 0 );
-}
-
-/*!
- *
- */
-int RadioHistoryModelPrivate::rowCount() const
-{
-    if ( !mQueryModel ) {
-        return 0;
-    }
-    return mQueryModel->rowCount();
-}
-
-/*!
- *
- */
-QVariant RadioHistoryModelPrivate::data( const int row, const int role ) const
-{
-    if ( mQueryModel->lastError().type() == QSqlError::NoError ) {
-
-        QSqlRecord record = mQueryModel->record( row );
-        if ( role == Qt::DisplayRole ) {
-
-            const QString artist = record.value( RadioHistoryValue::Artist ).toString();
-            const QString title = record.value( RadioHistoryValue::Title ).toString();
-            const QString station = record.value( RadioHistoryValue::Station ).toString();
-            const uint frequency = record.value( RadioHistoryValue::Frequency ).toUInt() * 1000;
-
-            QStringList list;
-            if ( mShowDetails ) {
-                QString formatter = qtTrId( "txt_rad_dblist_1_2" );
-                LOG_FORMAT( "---formatter--- %s", GETSTRING( formatter ) );
-                formatter = "%1 - %2";  // TODO!
-
-                const QString firstRow = QString( formatter ).arg( artist ).arg( title );
-                LOG_FORMAT( "---firstRow--- %s", GETSTRING( firstRow ) );
-                list.append( firstRow );
-
-                const uint timeInSecs = record.value( RadioHistoryValue::Time ).toUInt();
-                QDateTime dateTime;
-                dateTime.setTime_t( timeInSecs );
-
-                QString time = dateTime.toString( Qt::SystemLocaleShortDate );
-                LOG_FORMAT( "---time--- %s", GETSTRING( time ) );
-
-                QString name = !station.isEmpty() ? station : parseFrequency( frequency );
-                LOG_FORMAT( "---name--- %s", GETSTRING( name ) );
-                const QString secondRow = QString( formatter ).arg( time ).arg( name );
-                LOG_FORMAT( "---secondRow--- %s", GETSTRING( secondRow ) );
-
-                list.append( secondRow );
-            } else {
-                list.append( artist );
-                list.append( title );
-            }
-
-            return list;
-        } else if ( role == Qt::DecorationRole ) {
-            QVariantList list;
-            const bool tagged = record.value( RadioHistoryValue::Tagged ).toBool();
-            if ( tagged ) {
-                list.append( mTaggedIcon );
-            } else {
-                list.append( mNonTaggedIcon );
-            }
-            return list;
-        }
-    }
-
-    return QVariant();
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::removeAll( bool removeTagged )
-{
-    if ( !mQueryModel ) {
-        return;
-    }
-
-    QSqlQuery query = beginTransaction();
-
-    query.prepare( removeTagged ? SQL_CLEAR_TAGS : SQL_DELETE_ALL );
-
-    // Commented out because rowsRemoved() seems to crash HbListView
-//    commitTransaction( query, RemoveRows, 0, rowCount() - 1 );
-
-    commitTransaction( query, NoOp, 0 );
-    q_ptr->reset();
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::setViewMode( ViewMode mode )
-{
-    if ( !mQueryModel ) {
-        return;
-    }
-
-    mViewMode = mode;
-    mQueryModel->setQuery( mode == ShowTagged ? SQL_SELECT_TAGGED : SQL_SELECT_ALL, *mDatabase );
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::toggleTagging( const RadioHistoryItem& item, const int row )
-{
-    QSqlQuery updateQuery = beginTransaction();
-
-    updateQuery.prepare( SQL_TOGGLE_TAG );
-    updateQuery.addBindValue( item.isTagged() ? 0 : 1 );
-    updateQuery.addBindValue( item.id() );
-
-    Operation operation = ChangeData;
-    if ( mViewMode == ShowTagged && item.isTagged() ) {
-        operation = RemoveRows;
-    }
-    commitTransaction( updateQuery, operation, row );
-}
-
-/*!
- *
- */
-RadioHistoryItem RadioHistoryModelPrivate::itemAtIndex( const QModelIndex& index ) const
-{
-    LOG_METHOD;
-    RadioHistoryItem item;
-    QSqlRecord record = mQueryModel->record( index.row() );
-    item.data_ptr()->initFromRecord( record );
-    return item;
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::refreshModel()
-{
-    setViewMode( mViewMode );
-}
-
-/*!
- *
- */
-QSqlQuery RadioHistoryModelPrivate::beginTransaction()
-{
-    LOG_METHOD;
-    QSqlQuery newQuery( *mDatabase );
-    mDatabase->transaction();
-    return newQuery;
-}
-
-/*!
- *
- */
-void RadioHistoryModelPrivate::commitTransaction( QSqlQuery& query, Operation operation, int start, int end )
-{
-    LOG_METHOD;
-    if ( end == -1 ) {
-        end = start;
-    }
-
-    bool success = false;
-    Q_UNUSED( success );
-    if ( query.exec() ) {
-        if ( operation == InsertRows ) {
-            q_ptr->beginInsertRows( QModelIndex(), start, end );
-        } else if ( operation == RemoveRows ) {
-            q_ptr->beginRemoveRows( QModelIndex(), start, end );
-        }
-
-        success = mDatabase->commit();
-        LOG_ASSERT( success, LOG_FORMAT( "Commit failed! err: %s", GET_ERR_PTR( mDatabase ) ) );
-
-        refreshModel();
-
-        if ( operation == InsertRows ) {
-            q_ptr->endInsertRows();
-            q_ptr->emitItemAdded();
-        } else if ( operation == RemoveRows ) {
-            q_ptr->endRemoveRows();
-        } else if ( operation == ChangeData ) {
-            q_ptr->reportChangedData( start );
-        }
-    } else {
-        LOG_FORMAT( "RadioHistoryModelPrivate::commitTransaction FAILED, rolling back: error = %s", GET_ERR( query ) );
-        success = mDatabase->rollback();
-        LOG_ASSERT( success, LOG_FORMAT( "Rollback failed! err: %s", GET_ERR_PTR( mDatabase ) ) );
-    }
-}