diff -r 26a1709b9fec -r 14979e23cb5e mpdata/src/mpplaybackdata.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpdata/src/mpplaybackdata.cpp	Tue Aug 31 15:12:29 2010 +0300
@@ -0,0 +1,434 @@
+/*
+* 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: Playback Data provider for playback view.
+*
+*/
+
+#include <QIcon>
+#include <QString>
+#include <QPixmap>
+#include <QPainter>
+#include <hbicon.h>
+#include <thumbnailmanager_qt.h>
+
+#include "mpplaybackdata.h"
+#include "mptrace.h"
+
+const int KUndefined = -1;
+
+/*!
+    \class MpPlaybackData
+    \brief Music Player playback data.
+
+    Playback data provides access to current playing song data, and playback
+    properties, it is designed as an interface between the playback wrapper
+    and the UI, it also provides album art extraction.
+*/
+
+/*!
+    \fn void durationChanged()
+
+    This signal is emitted when duration changes.
+ */
+
+/*!
+    \fn void positionChanged()
+
+    This signal is emitted when position changes.
+ */
+
+/*!
+    \fn void albumArtReady()
+
+    This signal is emitted when album art is ready.
+ */
+
+/*!
+    \fn void playbackStateChanged()
+
+    This signal is emitted when there is a *transition* on the playback state,
+    this is based on a simple state.
+ */
+
+/*!
+    \fn void playbackInfoChanged()
+
+    This signal is emitted when playback info changes. This includes:
+    title, artist and album name.
+ */
+
+/*!
+    \fn void fileCorrupted()
+
+    This signal is emitted when a file is found corrupted.  Call by 
+    PlayBackWrapper.  
+ */
+
+
+
+/*!
+    Constructs a new MpPlaybackData.
+ */
+MpPlaybackData::MpPlaybackData( QObject *parent )
+    : QObject( parent ),
+      mThumbnailManager( new ThumbnailManager( this ) ),
+      mReqId( KUndefined ),
+      mDuration(0),
+      mPosition(0),
+      mAlbumId(0),
+      mId(0),
+      mAlbumArt( "qtg_large_album_art" ),
+      mPlaybackState( NotPlaying ),
+      mRealAudio( false )
+{
+    TX_ENTRY
+    mThumbnailManager->setQualityPreference( ThumbnailManager::OptimizeForQuality );
+    mThumbnailManager->setThumbnailSize( ThumbnailManager::ThumbnailLarge );
+    connect( mThumbnailManager, SIGNAL( thumbnailReady(QPixmap, void *, int, int ) ),
+             this, SLOT(thumbnailReady( QPixmap, void *, int, int ) ) );
+    TX_EXIT
+}
+
+/*!
+ Constructs a new MpPlaybackData.
+ */
+MpPlaybackData::~MpPlaybackData()
+{
+    TX_ENTRY
+    delete mThumbnailManager;
+    TX_EXIT
+}
+
+/*!
+ Sets the song \a duration.
+*/
+void MpPlaybackData::setDuration( int duration )
+{
+    TX_ENTRY_ARGS( "duration = " << duration )
+    mDuration = duration;
+    emit durationChanged();
+    TX_EXIT
+}
+
+/*!
+ Returns the song duration.
+*/
+int MpPlaybackData::duration() const
+{
+    TX_LOG_ARGS( "mDuration = " << mDuration )
+    return mDuration;
+}
+
+/*!
+ Sets the song \a position.
+*/
+void MpPlaybackData::setPosition( int position )
+{
+    TX_ENTRY_ARGS( "position = " << position )
+    mPosition = position;
+    emit positionChanged();
+    TX_EXIT
+}
+
+/*!
+ Returns the song position.
+*/
+int MpPlaybackData::position() const
+{
+    TX_ENTRY_ARGS( "mPosition = " << mPosition )
+    return mPosition;
+}
+
+/*!
+ Sets the song \a title, returns true if the value is new.
+*/
+bool MpPlaybackData::setTitle( const QString& title )
+{
+    TX_ENTRY_ARGS( "title = " << title )
+    bool change = false;
+    if ( title != mTitle ) {
+        change = true;
+        mTitle = title;
+    }
+    TX_EXIT
+    return change;
+}
+
+/*!
+ Returns the song title.
+*/
+const QString& MpPlaybackData::title() const
+{
+    TX_ENTRY_ARGS( "mTitle = " << mTitle )
+    return mTitle;
+}
+
+/*!
+ Sets the song \a artist, returns true if the value is new.
+*/
+bool MpPlaybackData::setArtist( const QString& artist )
+{
+    TX_ENTRY_ARGS( "artist = " << artist )
+    bool change = false;
+    // data is different or mArtist was not set before or it was reset.
+    if ( artist != mArtist || mArtist.isNull()) {
+        change = true;
+        mArtist = artist;
+    }
+    TX_EXIT
+    return change;
+}
+
+/*!
+ Returns the song artist.
+*/
+const QString& MpPlaybackData::artist() const
+{
+    TX_ENTRY_ARGS( "mArtist = " << mArtist )
+    return mArtist;
+}
+
+/*!
+ Sets the song \a album, returns true if the value is new.
+*/
+bool MpPlaybackData::setAlbum( const QString& album )
+{
+    TX_ENTRY_ARGS( "album = " << album )
+    bool change = false;
+    // data is different or mAlbum was not set before or it was reset.
+    if ( album != mAlbum || mAlbum.isNull() ) {
+        change = true;
+        mAlbum = album;
+    }
+    TX_EXIT
+    return change;
+}
+
+/*!
+ Returns the song album.
+*/
+const QString& MpPlaybackData::album() const
+{
+    TX_ENTRY_ARGS( "mAlbum = " << mAlbum )
+    return mAlbum;
+}
+
+/*!
+ Sets the song \a uri, returns true if the value is new.
+*/
+bool MpPlaybackData::setUri( const QString& uri )
+{
+    TX_ENTRY_ARGS( "uri = " << uri )
+    bool change = false;
+    if ( uri != mUri ) {
+        change = true;
+        mUri = uri;
+    }
+    TX_EXIT
+    return change;
+}
+
+/*!
+ Returns the song uri.
+*/
+const QString& MpPlaybackData::uri() const
+{
+    TX_ENTRY_ARGS( "mUri = " << mUri )
+    return mUri;
+}
+
+/*!
+ Sets the song \a albumArtUri.
+*/
+void MpPlaybackData::setAlbumArtUri( const QString& albumArtUri )
+{
+    TX_ENTRY_ARGS( "albumArtUri = " << albumArtUri )
+    if ( !albumArtUri.isEmpty() ) {
+        bool ok = true;
+        if ( mReqId != KUndefined ) {
+            // There is already an outstanding request. Cancel it first.
+            bool ok = mThumbnailManager->cancelRequest(mReqId);
+        }
+        if ( ok ) {
+            mReqId = mThumbnailManager->getThumbnail( albumArtUri );
+            if ( mReqId == KUndefined ) {
+                // Request failed. clear the icon.
+                mAlbumArt.clear();
+                emit albumArtReady();
+            }
+        }
+    }
+    else {
+        // No album art uri. clear the icon.
+        mAlbumArt.clear();
+        emit albumArtReady();
+    }
+    TX_EXIT
+}
+
+/*!
+ Returns the song album art on \a icon.
+*/
+void MpPlaybackData::albumArt( HbIcon& icon ) const
+{
+    TX_ENTRY
+    icon = mAlbumArt ;
+    TX_EXIT
+}
+
+/*!
+ Sets the song's album \a id, returns true if the value is new.
+*/
+bool MpPlaybackData::setAlbumId( int id )
+{
+    bool change = false;
+    if (mAlbumId != id) {
+        mAlbumId = id;
+        change = true;
+    }
+    return change;
+}
+
+/*!
+ Returns the id of the album to which the song belongs.
+*/
+int MpPlaybackData::albumId()
+{
+    return mAlbumId;
+}
+
+/*!
+ Sets the song's \a id, returns true if the value is new.
+*/
+bool MpPlaybackData::setId( int id )
+{
+    bool change = false;
+    if (mId != id) {
+        mId = id;
+        change = true;
+    }
+    return change;
+}
+
+/*!
+ Returns the id the song.
+*/
+int MpPlaybackData::id()
+{
+    return mId;
+}
+/*!
+Set Real Audio \a mode.
+*/
+bool MpPlaybackData::setRealAudio( bool mode )
+{
+    TX_ENTRY
+    bool change = false;
+    if (mRealAudio != mode) {
+        mRealAudio = mode;
+        change = true;
+    }
+    TX_EXIT
+    return change;
+}
+
+/*!
+ Returns the mode of Real Audio.
+*/
+bool MpPlaybackData::realAudio()
+{
+    return mRealAudio;
+}
+
+/*!
+ Sets the playback \a state.
+*/
+void MpPlaybackData::setPlaybackState( const SimplifiedState state )
+{
+    TX_ENTRY_ARGS( "state = " << state )
+    if ( state != mPlaybackState ) {
+        mPlaybackState = state;
+        emit playbackStateChanged();
+    }
+    TX_EXIT
+}
+
+/*!
+ Returns the playback state.
+*/
+MpPlaybackData::SimplifiedState MpPlaybackData::playbackState() const
+{
+    TX_LOG_ARGS( "mPlaybackState = " << mPlaybackState )
+    return mPlaybackState;
+}
+
+/*!
+
+*/
+void MpPlaybackData::commitPlaybackInfo()
+{
+    TX_ENTRY
+    emit playbackInfoChanged();
+    TX_EXIT
+}
+
+/*!
+ Resets the data, currently called when source is removed.
+*/
+void MpPlaybackData::resetData()
+{
+    mDuration = 0;
+    mPosition = 0;
+    mTitle = QString();
+    mAlbum = QString();
+    mArtist = QString();
+    mUri = QString();
+    mAlbumId = 0;
+    mId = 0;
+    mAlbumArt.clear();
+    mRealAudio = false;
+    
+    emit durationChanged();
+    emit positionChanged();
+    emit albumArtReady();
+    emit playbackInfoChanged();
+}
+
+/*!
+ Emit fileCorrupted(id) signal when a file with id is corrupted
+*/
+void MpPlaybackData::setCorrupted( int id )
+{
+   emit fileCorrupted( id );
+}
+
+/*!
+ Slot to handle the album art thumb.
+*/
+void MpPlaybackData::thumbnailReady(
+    const QPixmap& pixmap, void *data, int id, int error )
+{
+    TX_LOG_ARGS( "error = " << error << ", id = " << id )
+    Q_UNUSED(data);
+    if ( error == 0 && mReqId == id ) {
+        mAlbumArt = HbIcon(QIcon( pixmap ));      
+    }
+    else {
+        mReqId = KUndefined;
+        mAlbumArt.clear();
+    }
+    emit albumArtReady();
+    TX_EXIT
+}
+