diff -r 26a1709b9fec -r 14979e23cb5e mpviewplugins/mpcollectionviewplugin/src/mpcollectioncontainerplaylists.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpviewplugins/mpcollectionviewplugin/src/mpcollectioncontainerplaylists.cpp	Tue Aug 31 15:12:29 2010 +0300
@@ -0,0 +1,181 @@
+/*
+* 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: Music Player collection container definition - Playlists.
+*
+*/
+
+#include <QtCore>
+
+#include <hbdocumentloader.h>
+#include <hblistview.h>
+#include <hbgroupbox.h>
+#include <hblabel.h>
+
+#include "mpcollectioncontainerplaylists.h"
+#include "mpcollectiondatamodel.h"
+#include "mpmpxcollectiondata.h"
+#include "mptrace.h"
+
+
+/*!
+    \class MpCollectionContainerPlaylists
+    \brief Music Player collection container definition - Playlists.
+
+    'Playlists' collection container implements the interface specified
+    by MpCollectionContainer. It provides a layout and widgets for the
+    'Playlists' view.
+
+    This container handles the following contexts:
+    \li ECollectionContextPlaylists
+    \li ECollectionContextPlaylistSongs
+
+    \sa MpCollectionContainer
+*/
+
+/*!
+ Constructs the collection container.
+ This container handles the both the auto playlists and user created playlists.
+ */
+MpCollectionContainerPlaylists::MpCollectionContainerPlaylists( HbDocumentLoader *loader, QGraphicsItem *parent )
+    : MpCollectionListContainer(loader, parent),
+      mCurrentPlaylistIndex(0)
+{
+    TX_LOG
+    mCollectionContext = ECollectionContextPlaylists;
+
+}
+
+/*!
+ Destructs the collection container.
+ */
+MpCollectionContainerPlaylists::~MpCollectionContainerPlaylists()
+{
+    TX_ENTRY
+    delete mList;
+    TX_EXIT
+}
+
+/*!
+ Sets the data model for the container.
+ */
+void MpCollectionContainerPlaylists::setDataModel( MpCollectionDataModel *dataModel )
+{
+    TX_ENTRY
+    MpCollectionListContainer::setDataModel(dataModel);
+    if ( mCollectionContext == ECollectionContextPlaylists ) {
+        if ( mList ) {
+            if ( mCollectionData->count() ) {
+                mList->scrollTo( dataModel->index(mCurrentPlaylistIndex, 0) );
+            }
+        }
+    }
+    TX_EXIT
+}
+
+/*!
+ Slot to be called when an item is selected by the user.
+*/
+void MpCollectionContainerPlaylists::itemActivated( const QModelIndex &index )
+{
+    if ( mCollectionContext == ECollectionContextPlaylists ) {
+        mCurrentPlaylistIndex = index.row();
+        TX_ENTRY_ARGS("mCurrentPlaylistIndex=" << mCurrentPlaylistIndex);
+    }
+    MpCollectionListContainer::itemActivated(index);
+    TX_EXIT
+}
+
+/*!
+ Slot to be called when data model has new data.
+ Use cases:
+     1) User renames a playlist.
+	 2) Song added or removed from playlist.
+ */
+void MpCollectionContainerPlaylists::dataReloaded()
+{
+    TX_ENTRY
+    MpCollectionListContainer::dataReloaded();
+    if ( mCollectionContext == ECollectionContextPlaylistSongs ) {
+        // Playlist could have been renamed.
+        QString details = mCollectionData->collectionTitle();
+        mInfoBar->setHeading(details);
+        if ( mCollectionData->count() > 1 ) {
+            emit shuffleEnabled(true);
+        }
+        else {
+            emit shuffleEnabled(false);
+        }
+    }
+    TX_EXIT
+}
+
+/*!
+ Sets up the container by organizing widgets according to its layout.
+
+ \reimp
+ */
+void MpCollectionContainerPlaylists::setupContainer()
+{
+    TX_ENTRY_ARGS("mCollectionContext=" << mCollectionContext);
+    
+    mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "showInfoBar");
+       
+    if ( mCollectionData->count() ) {
+        bool ok = false;
+        QGraphicsWidget *widget;
+        if ( mCollectionContext == ECollectionContextPlaylists ) {
+            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "playlists", &ok);
+            if ( !ok ) {
+                TX_LOG_ARGS("Error: invalid xml file.");
+                Q_ASSERT_X(ok, "MpCollectionContainerPlaylists::setupContainer", "invalid xml file");
+            }
+            if ( !mList ) {
+                widget = mDocumentLoader->findWidget(QString("playlistsList"));
+                mList = qobject_cast<HbListView*>(widget);
+                initializeList();
+            }
+
+            mInfoBar->setHeading(hbTrId("txt_mus_subhead_playlists_1l").arg(mCollectionData->count()));
+        }
+        else if ( mCollectionContext == ECollectionContextPlaylistSongs ) {
+            mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "playlistSongs", &ok);
+            if ( !ok ) {
+                TX_LOG_ARGS("Error: invalid xml file.");
+                Q_ASSERT_X(ok, "MpCollectionContainerPlaylists::setupContainer", "invalid xml file");
+            }
+            
+            QString details;
+            if ( mViewMode == MpCommon::FetchView ) {
+                details = hbTrId("txt_mus_subtitle_select_song");
+            }
+            else {
+                details = hbTrId("txt_mus_subhead_1_2l").arg(mCollectionData->collectionTitle()).arg(mCollectionData->count()); 
+            }
+            mInfoBar->setHeading(details);
+        }
+        if ( mNoMusic ) {
+            delete mNoMusic;
+            mNoMusic = 0;
+        }
+    }
+    else {
+    
+        mInfoBar->setHeading(hbTrId("txt_mus_subhead_1_2l").arg(mCollectionData->collectionTitle()).arg(0));
+
+        // Call empty list from base class    
+        setupEmptyListContainer();
+    }
+    TX_EXIT
+}
+