author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 14:28:40 +0300 | |
branch | RCL_3 |
changeset 66 | 1f1dad4af8f8 |
parent 56 | 2cbbefa9af78 |
permissions | -rw-r--r-- |
53 | 1 |
/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Responsible for interation with the category tables: |
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* Artist, Album, Genre and Composer |
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* |
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*/ |
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// INCLUDE FILES |
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#include <sqldb.h> |
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#include <mpxlog.h> |
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#include "mpxdbcommonutil.h" |
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#include "mpxdbcommondef.h" |
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#include "mpxdbmanager.h" |
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#include "mpxcollectiondbdef.h" |
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#include "mpxdbpluginqueries.h" |
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#include "mpxdbutil.h" |
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#include "mpxdbcategory.h" |
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// CONSTANTS |
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// maximum number of table name entries per query |
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const TInt KMaxTableNameCount = 2; |
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// ============================ MEMBER FUNCTIONS ============================== |
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// ---------------------------------------------------------------------------- |
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// Destructor |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXDbCategory::~CMPXDbCategory() |
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{ |
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MPX_FUNC("CMPXDbCategory::~CMPXDbCategory"); |
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delete iTableName; |
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} |
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// ---------------------------------------------------------------------------- |
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// Constructor |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXDbCategory::CMPXDbCategory( |
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CMPXDbManager& aDbManager, |
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TMPXGeneralCategory aCategory) : |
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CMPXDbTable(aDbManager), |
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iCategory(aCategory) |
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{ |
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MPX_FUNC("CMPXDbCategory::CMPXDbCategory"); |
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} |
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// ---------------------------------------------------------------------------- |
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// Second phase constructor. |
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// ---------------------------------------------------------------------------- |
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// |
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void CMPXDbCategory::BaseConstructL() |
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{ |
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MPX_FUNC("CMPXDbCategory::BaseConstructL"); |
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CMPXDbTable::BaseConstructL(); |
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iTableName = MPXDbUtil::TableNameForCategoryL(iCategory).AllocL(); |
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} |
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// ---------------------------------------------------------------------------- |
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// CMPXDbCategory::AddItemL |
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// ---------------------------------------------------------------------------- |
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// |
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TUint32 CMPXDbCategory::AddItemL( |
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66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
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const TDesC& aName, |
53 | 83 |
TInt aDriveId, |
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TBool& aNewRecord, |
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TBool aCaseSensitive) |
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{ |
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MPX_FUNC("CMPXDbCategory::AddItemL"); |
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// try to find the item first |
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TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory, |
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1f1dad4af8f8
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
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aName, aCaseSensitive)); |
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aNewRecord = !CategoryItemExistsL(aDriveId, rowId); |
93 |
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if (aNewRecord) |
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{ |
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// insert new |
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HBufC* query = PreProcessStringLC(KQueryCategoryInsert); |
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1f1dad4af8f8
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
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HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName); |
53 | 99 |
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iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1); |
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CleanupStack::PopAndDestroy(name); |
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CleanupStack::PopAndDestroy(query); |
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} |
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else |
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{ |
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// increment the number of songs for the category |
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HBufC* query = PreProcessStringLC(KQueryCategoryIncrementSongCount); |
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iDbManager.ExecuteQueryL(aDriveId, *query, rowId); |
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CleanupStack::PopAndDestroy(query); |
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} |
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return rowId; |
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} |
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1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
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53 | 116 |
// ---------------------------------------------------------------------------- |
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// CMPXDbCategory::GetNameL |
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// ---------------------------------------------------------------------------- |
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// |
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HBufC* CMPXDbCategory::GetNameL( |
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TUint32 aId) |
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{ |
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MPX_FUNC("CMPXDbCategory::GetNameL"); |
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RSqlStatement recordset(GetCategoryRecordL(aId)); |
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CleanupClosePushL(recordset); |
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if (recordset.Next() != KSqlAtRow) |
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{ |
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User::LeaveIfError(KErrNotFound); |
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} |
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HBufC* name = MPXDbCommonUtil::GetColumnTextL(recordset, ECategoryName).AllocL(); |
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CleanupStack::PopAndDestroy(&recordset); |
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return name; |
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} |
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// ---------------------------------------------------------------------------- |
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// CMPXDbCategory::CountL |
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// ---------------------------------------------------------------------------- |
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// |
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TInt CMPXDbCategory::CountL() |
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{ |
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MPX_FUNC("CMPXDbCategory::CountL"); |
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HBufC* query = PreProcessStringLC(KQueryCategoryCount); |
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TInt count(ExecuteSumQueryL(*query)); |
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CleanupStack::PopAndDestroy(query); |
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return count; |
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} |
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// ---------------------------------------------------------------------------- |
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// CMPXDbCategory::FindAllL |
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// ---------------------------------------------------------------------------- |
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// |
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void CMPXDbCategory::FindAllL( |
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const CMPXMedia& aCriteria, |
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const TArray<TMPXAttribute>& aAttrs, |
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CMPXMediaArray& aMediaArray) |
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{ |
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MPX_FUNC("CMPXDbCategory::FindAllL"); |
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TMPXGeneralType type = aCriteria.ValueTObjectL<TMPXGeneralType>(KMPXMediaGeneralType); |
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const TArray<TMPXAttribute> criteria = aCriteria.Attributes(); |
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TInt criteriaCount(criteria.Count()); |
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// process the criteria and construct the criteria string |
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CDesCArrayFlat* criteriaArray = new (ELeave) CDesCArrayFlat(criteriaCount + 1); |
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CleanupStack::PushL(criteriaArray); |
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for (TInt i = 0; i < criteriaCount; ++i) |
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{ |
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const TMPXAttribute& criterion = criteria[i]; |
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if ((type == EMPXItem) && (criterion == KMPXMediaGeneralId)) |
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{ |
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TUint32 itemId = (aCriteria.ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId2; |
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if (MPX_ITEM_CATEGORY(itemId) != iCategory) |
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{ |
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User::Leave(KErrNotSupported); |
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} |
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HBufC* critStr = PreProcessStringLC(KCriterionCategoryUniqueId); |
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MPXDbCommonUtil::AddSqlCriterionL(*criteriaArray, *critStr, itemId); |
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CleanupStack::PopAndDestroy(critStr); |
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} |
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else if (criterion == KMPXMediaGeneralTitle) |
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{ |
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#ifdef RD_MPX_COLLECTION_CACHE |
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if (aCriteria.ValueText(KMPXMediaGeneralTitle).Length() <= 0) |
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{ |
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TUint32 itemId = MPXDbCommonUtil::GenerateUniqueIdL( |
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iDbManager.Fs(), iCategory, KNullDesC, EFalse); |
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HBufC* critStr = PreProcessStringLC(KCriterionCategoryUniqueId); |
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MPXDbCommonUtil::AddSqlCriterionL(*criteriaArray, *critStr, itemId); |
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CleanupStack::PopAndDestroy(critStr); |
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} |
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else |
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{ |
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#endif //RD_MPX_COLLECTION_CACHE |
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HBufC* critStr = PreProcessStringLC(KCriterionCategoryName); |
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HBufC* title = MPXDbCommonUtil::ProcessPatternCharsLC( |
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aCriteria.ValueText(KMPXMediaGeneralTitle)); |
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MPXDbCommonUtil::AddSqlCriterionL(*criteriaArray, *critStr, *title); |
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CleanupStack::PopAndDestroy(2, critStr); // title & critStr |
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#ifdef RD_MPX_COLLECTION_CACHE |
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} |
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#endif //RD_MPX_COLLECTION_CACHE |
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} |
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#ifdef ABSTRACTAUDIOALBUM_INCLUDED |
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else if (criterion == KMPXMediaGeneralUri) |
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{ |
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//only Genre and AbstractAlbum are not case sensitive |
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TBool caseSensitive = ETrue; |
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if ((iCategory == EMPXGenre) || (iCategory == EMPXAbstractAlbum)) |
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caseSensitive = EFalse; |
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TUint32 itemId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory, |
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aCriteria.ValueText(KMPXMediaGeneralUri), caseSensitive)); |
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HBufC* critStr = PreProcessStringLC(KCriterionCategoryUniqueId); |
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MPXDbCommonUtil::AddSqlCriterionL(*criteriaArray, *critStr, itemId); |
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CleanupStack::PopAndDestroy(critStr); |
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} |
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else if (criterion == KMPXMediaGeneralDrive) |
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{ |
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const TDesC& drive(aCriteria.ValueText(KMPXMediaGeneralDrive)); |
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TDriveUnit driveUnit(drive); |
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MPXDbCommonUtil::AddSqlCriterionL(*criteriaArray, KCriterionAbstractAlbumVolumeId, |
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MPXDbCommonUtil::GetVolIdMatchDriveIdL(iDbManager.Fs(), driveUnit)); |
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} |
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#endif // ABSTRACTAUDIOALBUM_INCLUDED |
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else |
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{ |
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// ignore attribute |
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} |
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} |
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// construct criteria string |
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66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
243 |
HBufC* criteriaStr = MPXDbCommonUtil::StringFromArrayLC(*criteriaArray, KMCAndKeyword); |
53 | 244 |
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66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
245 |
// either get all items or items filtered based on criteria |
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
246 |
HBufC* query = PreProcessStringLC(criteriaStr->Length() ? |
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
247 |
KQueryCategoryItems() : KQueryCategoryAll()); |
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
248 |
RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, criteriaStr)); |
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
249 |
CleanupStack::PopAndDestroy(3, criteriaArray); // query, criteriaStr, criteriaArray |
53 | 250 |
CleanupClosePushL(recordset); |
251 |
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// process the results |
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ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
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CleanupStack::PopAndDestroy(&recordset); |
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} |
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66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
256 |
|
53 | 257 |
// ---------------------------------------------------------------------------- |
258 |
// CMPXDbCategory::DecrementSongsForCategoryL |
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// ---------------------------------------------------------------------------- |
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// |
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void CMPXDbCategory::DecrementSongsForCategoryL( |
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const TUint32 aId, |
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TInt aDriveId, |
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CMPXMessageArray* aItemChangedMessages, |
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TBool& aItemExist |
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#ifdef ABSTRACTAUDIOALBUM_INCLUDED |
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, |
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TBool /*aMTPInUse*/ |
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#endif //ABSTRACTAUDIOALBUM_INCLUDED |
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) |
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{ |
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MPX_FUNC("CMPXDbCategory::DecrementSongsForCategoryL"); |
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// if just one song uses this category. Use <= just in case |
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if (GetSongsCountL(aDriveId, aId) <= 1) |
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{ |
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aItemExist = EFalse; |
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// delete the category |
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DeleteCategoryL(aId, aDriveId); |
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if (aItemChangedMessages) |
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{ |
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// add the item changed message |
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MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted, |
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iCategory, KDBPluginUid); |
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} |
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} |
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else |
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{ |
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aItemExist = ETrue; |
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// decrement the number of songs for the category |
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HBufC* query = PreProcessStringLC(KQueryCategoryDecrementSongCount); |
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iDbManager.ExecuteQueryL(aDriveId, *query, aId); |
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CleanupStack::PopAndDestroy(query); |
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} |
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296 |
} |
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297 |
||
298 |
// ---------------------------------------------------------------------------- |
|
299 |
// CMPXDbCategory::DeleteCategoryL |
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300 |
// ---------------------------------------------------------------------------- |
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301 |
// |
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302 |
void CMPXDbCategory::DeleteCategoryL( |
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TUint32 aId, |
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TInt aDriveId) |
|
305 |
{ |
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306 |
MPX_FUNC("CMPXDbCategory::DeleteCategoryL"); |
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307 |
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308 |
HBufC* query = PreProcessStringLC(KQueryCategoryDelete); |
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iDbManager.ExecuteQueryL(aDriveId, *query, aId); |
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CleanupStack::PopAndDestroy(query); |
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} |
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312 |
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313 |
// ---------------------------------------------------------------------------- |
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314 |
// CMPXDbCategory::GetCategoryItemsL |
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315 |
// ---------------------------------------------------------------------------- |
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316 |
// |
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317 |
void CMPXDbCategory::GetCategoryItemsL( |
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318 |
const TArray<TMPXAttribute>& aAttrs, |
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CMPXMediaArray& aMediaArray) |
|
320 |
{ |
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321 |
MPX_FUNC("CMPXDbCategory::GetCategoryItemsL"); |
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322 |
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323 |
// have to run one query to get all items as opposed to individual queries |
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// because of the sorting |
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325 |
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326 |
// construct the unique ID criteria string |
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327 |
// (UniqueId = %u OR UniqueId = %u ...) |
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328 |
TInt count(aMediaArray.Count()); |
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329 |
HBufC* criteria = HBufC::NewLC((2 * KCriterionCategoryUniqueId().Length() + |
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330 |
KMCIntegerLen + KMCOrKeyword().Length() + 2) * count); |
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331 |
TPtr ptr(criteria->Des()); |
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332 |
ptr.Append(KMCOpenBracket); |
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for (TInt index = 0; index < count; ++index) |
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334 |
{ |
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335 |
CMPXMedia* media = aMediaArray[index]; |
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336 |
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337 |
HBufC* critStr = PreProcessStringLC(KCriterionCategoryUniqueId); |
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338 |
HBufC* criterion = MPXDbCommonUtil::SqlCriterionLC(*critStr, |
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(media->ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId1); |
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ptr.Append(*criterion); |
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341 |
CleanupStack::PopAndDestroy(criterion); |
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342 |
CleanupStack::PopAndDestroy(critStr); |
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343 |
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344 |
if (index < (count - 1)) |
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{ |
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ptr.Append(KMCOrKeyword); |
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347 |
} |
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348 |
} |
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349 |
ptr.Append(KMCCloseBracket); |
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350 |
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351 |
// the array has to be reset as the items have to be returned in a different sort order |
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352 |
aMediaArray.Reset(); |
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353 |
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354 |
HBufC* query = PreProcessStringLC(KQueryCategoryItems); |
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RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, criteria)); |
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356 |
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357 |
CleanupStack::PopAndDestroy(query); |
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358 |
CleanupStack::PopAndDestroy(criteria); |
|
359 |
||
360 |
CleanupClosePushL(recordset); |
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361 |
ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
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362 |
CleanupStack::PopAndDestroy(&recordset); |
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363 |
} |
|
364 |
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365 |
// ---------------------------------------------------------------------------- |
|
366 |
// CMPXDbCategory::GetAllCategoryItemsL |
|
367 |
// ---------------------------------------------------------------------------- |
|
368 |
// |
|
369 |
void CMPXDbCategory::GetAllCategoryItemsL( |
|
370 |
const TArray<TMPXAttribute>& aAttrs, |
|
371 |
CMPXMediaArray& aMediaArray) |
|
372 |
{ |
|
373 |
MPX_FUNC("CMPXDbCategory::GetAllCategoryItemsL"); |
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374 |
||
375 |
HBufC* query = PreProcessStringLC(KQueryCategoryAll); |
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376 |
RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query)); |
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377 |
CleanupStack::PopAndDestroy(query); |
|
378 |
||
379 |
CleanupClosePushL(recordset); |
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380 |
ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
|
381 |
CleanupStack::PopAndDestroy(&recordset); |
|
382 |
} |
|
383 |
||
384 |
// ---------------------------------------------------------------------------- |
|
385 |
// CMPXDbCategory::GetCategoryItemL |
|
386 |
// ---------------------------------------------------------------------------- |
|
387 |
// |
|
388 |
void CMPXDbCategory::GetCategoryItemL( |
|
389 |
TUint32 aId, |
|
390 |
const TArray<TMPXAttribute>& aAttrs, |
|
391 |
CMPXMedia& aMedia) |
|
392 |
{ |
|
393 |
MPX_FUNC("CMPXDbCategory::GetCategoryItemL"); |
|
394 |
||
395 |
HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
|
396 |
ExecuteMediaQueryL(aAttrs, aMedia, *query, aId); |
|
397 |
CleanupStack::PopAndDestroy(query); |
|
398 |
} |
|
399 |
||
400 |
// ---------------------------------------------------------------------------- |
|
401 |
// CMPXDbCategory::GetSubCategoryItemsL |
|
402 |
// ---------------------------------------------------------------------------- |
|
403 |
// |
|
404 |
void CMPXDbCategory::GetSubCategoryItemsL( |
|
405 |
TMPXGeneralCategory aParentCategory, |
|
406 |
TUint32 aParentId, |
|
407 |
const TArray<TMPXAttribute>& aAttrs, |
|
408 |
CMPXMediaArray& aMediaArray) |
|
409 |
{ |
|
410 |
MPX_FUNC("CMPXDbCategory::GetSubCategoryItemsL"); |
|
411 |
||
412 |
// this is only valid for albums belonging to an artist |
|
413 |
ASSERT((iCategory == EMPXAlbum) && (aParentCategory == EMPXArtist)); |
|
414 |
||
415 |
// to handle the UREL warning |
|
416 |
(void)aParentCategory; |
|
417 |
||
418 |
RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aParentId)); |
|
419 |
CleanupClosePushL(recordset); |
|
420 |
ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
|
421 |
CleanupStack::PopAndDestroy(&recordset); |
|
422 |
} |
|
423 |
||
424 |
// ---------------------------------------------------------------------------- |
|
425 |
// CMPXDbCategory::CategoryItemExistsL |
|
426 |
// The category records must be in the same database as the corresponding |
|
427 |
// Music record, otherwise when adding a duplicate of a song on a |
|
428 |
// different drive this method will return true and the category record won't |
|
429 |
// be created. |
|
430 |
// ---------------------------------------------------------------------------- |
|
431 |
// |
|
432 |
TBool CMPXDbCategory::CategoryItemExistsL( |
|
433 |
TInt aDriveId, |
|
434 |
TUint32 aId) |
|
435 |
{ |
|
436 |
MPX_FUNC("CMPXDbCategory::CategoryItemExistsL"); |
|
437 |
||
438 |
HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
|
439 |
RSqlStatement recordset( |
|
440 |
iDbManager.ExecuteSelectQueryL(aDriveId, *query, aId)); |
|
441 |
||
442 |
TBool exists(recordset.Next() == KSqlAtRow); |
|
443 |
||
444 |
recordset.Close(); |
|
445 |
CleanupStack::PopAndDestroy(query); |
|
446 |
||
447 |
return exists; |
|
448 |
} |
|
449 |
||
450 |
// ---------------------------------------------------------------------------- |
|
451 |
// CMPXDbCategory::GetSongsCountL |
|
452 |
// ---------------------------------------------------------------------------- |
|
453 |
// |
|
454 |
TInt CMPXDbCategory::GetSongsCountL( |
|
455 |
TInt aDriveId, |
|
456 |
TUint32 aId) |
|
457 |
{ |
|
458 |
MPX_FUNC("CMPXDbCategory::GetSongsCountL"); |
|
459 |
||
460 |
HBufC* query = PreProcessStringLC(KQueryCategoryGetSongCount); |
|
461 |
RSqlStatement recordset( |
|
462 |
iDbManager.ExecuteSelectQueryL(aDriveId, *query, aId)); |
|
463 |
CleanupClosePushL(recordset); |
|
464 |
||
465 |
TInt err(KErrNone); |
|
466 |
TInt ret(0); |
|
467 |
while ((err = recordset.Next()) == KSqlAtRow) |
|
468 |
{ |
|
469 |
ret += recordset.ColumnInt(KMPXTableDefaultIndex); |
|
470 |
} |
|
471 |
||
472 |
if (err != KSqlAtEnd) |
|
473 |
{ |
|
474 |
User::Leave(err); |
|
475 |
} |
|
476 |
||
477 |
CleanupStack::PopAndDestroy(&recordset); |
|
478 |
CleanupStack::PopAndDestroy(query); |
|
479 |
||
480 |
return ret; |
|
481 |
} |
|
482 |
||
483 |
void CMPXDbCategory::UpdateItemL( |
|
484 |
TUint32 /*aId*/, |
|
485 |
const CMPXMedia& /*aMedia*/, |
|
486 |
TInt /*aDriveId*/, |
|
487 |
CMPXMessageArray* /*aItemChangedMessages*/) |
|
488 |
{ |
|
66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
489 |
// nothing |
53 | 490 |
} |
491 |
||
492 |
// ---------------------------------------------------------------------------- |
|
493 |
// CMPXDbCategory::UpdateMediaL |
|
494 |
// ---------------------------------------------------------------------------- |
|
495 |
// |
|
496 |
void CMPXDbCategory::UpdateMediaL( |
|
497 |
RSqlStatement& aRecord, |
|
498 |
const TArray<TMPXAttribute>& aAttrs, |
|
499 |
CMPXMedia& aMedia) |
|
500 |
{ |
|
501 |
MPX_FUNC("CMPXDbCategory::UpdateMediaL"); |
|
502 |
||
503 |
TInt count(aAttrs.Count()); |
|
504 |
for (TInt i = 0; i < count; ++i) |
|
505 |
{ |
|
506 |
TInt contentId(aAttrs[i].ContentId()); |
|
507 |
TUint attributeId(aAttrs[i].AttributeId()); |
|
508 |
||
509 |
if (contentId == KMPXMediaIdGeneral) |
|
510 |
{ |
|
511 |
if (attributeId & EMPXMediaGeneralId) |
|
512 |
{ |
|
513 |
aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId, |
|
514 |
aRecord.ColumnInt64(ECategoryUniqueId)); |
|
515 |
} |
|
516 |
if (attributeId & EMPXMediaGeneralTitle) |
|
517 |
{ |
|
518 |
aMedia.SetTextValueL(KMPXMediaGeneralTitle, |
|
519 |
MPXDbCommonUtil::GetColumnTextL(aRecord, ECategoryName)); |
|
520 |
} |
|
521 |
if (attributeId & EMPXMediaGeneralCount) |
|
522 |
{ |
|
523 |
aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, |
|
524 |
GetSongsCountL(KDbManagerAllDrives, |
|
525 |
aRecord.ColumnInt64(ECategoryUniqueId))); |
|
526 |
} |
|
527 |
} // end if contentId == KMPXMediaIdGeneral |
|
528 |
} // end for |
|
529 |
||
530 |
aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem); |
|
531 |
aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory); |
|
532 |
} |
|
533 |
||
534 |
// ---------------------------------------------------------------------------- |
|
535 |
// CMPXDbCategory::GetCategoryRecordL |
|
536 |
// ---------------------------------------------------------------------------- |
|
537 |
// |
|
538 |
RSqlStatement CMPXDbCategory::GetCategoryRecordL( |
|
539 |
TUint32 aId) |
|
540 |
{ |
|
541 |
MPX_FUNC("CMPXDbCategory::GetCategoryRecordL"); |
|
542 |
HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
|
543 |
RSqlStatement statement(iDbManager.ExecuteSelectQueryL(*query, aId)); |
|
544 |
CleanupStack::PopAndDestroy(query); |
|
545 |
||
546 |
return statement; |
|
547 |
} |
|
548 |
||
549 |
// ---------------------------------------------------------------------------- |
|
550 |
// CMPXDbCategory::PreProcessStringLC |
|
551 |
// ---------------------------------------------------------------------------- |
|
552 |
// |
|
553 |
HBufC* CMPXDbCategory::PreProcessStringLC( |
|
554 |
const TDesC& aQuery) |
|
555 |
{ |
|
556 |
MPX_FUNC("CMPXDbCategory::PreProcessStringLC"); |
|
557 |
||
558 |
HBufC* query = HBufC::NewLC(aQuery.Length() + KMaxTableNameCount * (iTableName->Length() + |
|
559 |
KCategoryTablePlaceholder().Length())); |
|
560 |
TPtr queryPtr(query->Des()); |
|
561 |
||
562 |
// copy the query string |
|
563 |
queryPtr = aQuery; |
|
564 |
||
565 |
// replace all instances of the placeholder with the actual table name |
|
566 |
TInt index(0); |
|
567 |
while ((index = queryPtr.Find(KCategoryTablePlaceholder)) != KErrNotFound) |
|
568 |
{ |
|
569 |
queryPtr.Replace(index, KCategoryTablePlaceholder().Length(), *iTableName); |
|
570 |
} |
|
571 |
||
572 |
return query; |
|
573 |
} |
|
574 |
||
575 |
// ---------------------------------------------------------------------------- |
|
576 |
// CMPXDbCategory::ProcessRecordsetL |
|
66
1f1dad4af8f8
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
56
diff
changeset
|
577 |
// Unknown item is stored in the database as NULL (name field). This ensures the |
53 | 578 |
// unknown item to be the 1st found record if it exists. This will save time in |
579 |
// searching for the unknown record among the results and avoid performing |
|
580 |
// descriptor comparison. If the 1st record is the unknown item, it won't be |
|
581 |
// appended to the array until all other records have been put in the array. |
|
582 |
// |
|
583 |
// NOTE: putting unknown item to the end of the array only takes place when title |
|
584 |
// field is requested. normal sorting algorithm occurs if title isn't |
|
585 |
// requested. |
|
586 |
// ---------------------------------------------------------------------------- |
|
587 |
// |
|
588 |
void CMPXDbCategory::ProcessRecordsetL( |
|
589 |
const TArray<TMPXAttribute>& aAttrs, |
|
590 |
RSqlStatement& aRecordset, |
|
591 |
CMPXMediaArray& aMediaArray) |
|
592 |
{ |
|
593 |
// populate the array |
|
594 |
TBool firstRecord(ETrue); |
|
595 |
CMPXMedia* unknownMedia(NULL); |
|
596 |
TInt prevId(0); |
|
597 |
TInt err(KErrNone); |
|
598 |
||
599 |
TInt pPath(0); |
|
600 |
if (aMediaArray.Count()) |
|
601 |
{ |
|
602 |
CMPXMedia* pMedia = aMediaArray[0]; |
|
603 |
if (pMedia->IsSupported(KMPXMediaGeneralValue)) |
|
604 |
{ // Query excuted by OpenL |
|
605 |
pPath = pMedia->ValueTObjectL<TInt>(KMPXMediaGeneralValue); |
|
606 |
MPX_ASSERT(pPath); |
|
607 |
} |
|
608 |
} |
|
609 |
RArray<TMPXItemId> ids; |
|
610 |
CleanupClosePushL(ids); |
|
611 |
||
612 |
while ((err = aRecordset.Next()) == KSqlAtRow) |
|
613 |
{ |
|
614 |
TUint32 rowId(aRecordset.ColumnInt64(ECategoryUniqueId)); |
|
615 |
if (prevId == rowId) |
|
616 |
{ |
|
617 |
continue; |
|
618 |
} |
|
619 |
||
620 |
prevId = rowId; |
|
621 |
CMPXMedia* media = CMPXMedia::NewL(); |
|
622 |
CleanupStack::PushL(media); |
|
623 |
||
624 |
UpdateMediaL(aRecordset, aAttrs, *media); |
|
625 |
||
626 |
if (firstRecord && |
|
627 |
(MPXDbCommonUtil::GetColumnTextL(aRecordset, ECategoryName).Length() == 0)) |
|
628 |
{ |
|
629 |
unknownMedia = media; |
|
630 |
} |
|
631 |
||
632 |
if (!firstRecord || !unknownMedia) |
|
633 |
{ |
|
634 |
if (media->IsSupported(KMPXMediaGeneralId) && pPath) |
|
635 |
{ |
|
636 |
ids.AppendL(media->ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)); |
|
637 |
} |
|
638 |
aMediaArray.AppendL(*media); |
|
639 |
CleanupStack::PopAndDestroy(media); |
|
640 |
} |
|
641 |
||
642 |
firstRecord = EFalse; |
|
643 |
} // end while |
|
644 |
||
645 |
if (err != KSqlAtEnd) |
|
646 |
{ |
|
647 |
User::LeaveIfError(err); |
|
648 |
} |
|
649 |
||
650 |
if (unknownMedia) |
|
651 |
{ |
|
652 |
if (unknownMedia->IsSupported(KMPXMediaGeneralId) && pPath) |
|
653 |
{ |
|
654 |
ids.AppendL(unknownMedia->ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)); |
|
655 |
} |
|
656 |
aMediaArray.AppendL(*unknownMedia); |
|
657 |
CleanupStack::PopAndDestroy(unknownMedia); |
|
658 |
} |
|
659 |
||
660 |
// Append ids to the returned path |
|
661 |
if (pPath) |
|
662 |
{ |
|
663 |
((CMPXCollectionPath*)pPath)->AppendL(ids.Array()); |
|
664 |
} |
|
665 |
CleanupStack::PopAndDestroy(&ids); |
|
666 |
} |
|
667 |
||
668 |
// ---------------------------------------------------------------------------- |
|
669 |
// CMPXDbCategory::CreateTableL |
|
670 |
// ---------------------------------------------------------------------------- |
|
671 |
// |
|
672 |
void CMPXDbCategory::CreateTableL( |
|
673 |
RSqlDatabase& aDatabase, |
|
674 |
TBool /* aCorruptTable */) |
|
675 |
{ |
|
676 |
MPX_FUNC("CMPXDbCategory::CreateTableL"); |
|
677 |
||
678 |
// create the table |
|
679 |
HBufC* query = PreProcessStringLC(KCategoryCreateTable); |
|
680 |
User::LeaveIfError(aDatabase.Exec(*query)); |
|
681 |
CleanupStack::PopAndDestroy(query); |
|
682 |
||
683 |
// do not create an index on the Name field |
|
684 |
// as it only slows down the insert/update queries overall |
|
685 |
} |
|
686 |
||
687 |
// ---------------------------------------------------------------------------- |
|
688 |
// CMPXDbCategory::DropTableL |
|
689 |
// ---------------------------------------------------------------------------- |
|
690 |
// |
|
691 |
void CMPXDbCategory::DropTableL( |
|
692 |
RSqlDatabase& aDatabase) |
|
693 |
{ |
|
694 |
MPX_FUNC("CMPXDbCategory::DropTableL"); |
|
695 |
||
696 |
HBufC* query = PreProcessStringLC(KCategoryDropTable); |
|
697 |
User::LeaveIfError(aDatabase.Exec(*query)); |
|
698 |
CleanupStack::PopAndDestroy(query); |
|
699 |
} |
|
700 |
||
701 |
// ---------------------------------------------------------------------------- |
|
702 |
// CMPXDbCategory::CheckTableL |
|
703 |
// ---------------------------------------------------------------------------- |
|
704 |
// |
|
705 |
TBool CMPXDbCategory::CheckTableL( |
|
706 |
RSqlDatabase& aDatabase) |
|
707 |
{ |
|
708 |
MPX_FUNC("CMPXDbCategory::CheckTableL"); |
|
709 |
||
710 |
HBufC* query = PreProcessStringLC(KCategoryCheckTable); |
|
711 |
TBool check(DoCheckTable(aDatabase, *query)); |
|
712 |
CleanupStack::PopAndDestroy(query); |
|
713 |
||
714 |
return check; |
|
715 |
} |
|
716 |
||
717 |
// End of File |