--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpdata/src/mpplaybackdata.cpp Mon May 03 12:29:20 2010 +0300
@@ -0,0 +1,359 @@
+/*
+* 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.
+ */
+
+
+
+/*!
+ Constructs a new MpPlaybackData.
+ */
+MpPlaybackData::MpPlaybackData( QObject *parent )
+ : QObject(parent),
+ mThumbnailManager(0),
+ mReqId(KUndefined),
+ mDuration(0),
+ mPosition(0),
+ mAlbumArt(),
+ mPlaybackState(Stopped)
+{
+ TX_ENTRY
+ mThumbnailManager = new ThumbnailManager(this);
+ mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality);
+ mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailLarge);
+ connect( mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void *, int, int)),
+ this, SLOT(thumbnailReady(QPixmap, void *, int, int)) );
+
+ //TODO: Change to final resource when available
+ mDefaultAlbumArt = new HbIcon("qtg_large_music");
+ 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;
+ if ( artist != mArtist ) {
+ 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;
+ if ( album != mAlbum ) {
+ 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. Set default album art.
+ mAlbumArt = mDefaultAlbumArt;
+ emit albumArtReady();
+ }
+ }
+ }
+ else {
+ // No album art uri. Set default album art.
+ mAlbumArt = mDefaultAlbumArt;
+ emit albumArtReady();
+ }
+ TX_EXIT
+}
+
+/*!
+ Returns the song album art on \a icon.
+*/
+void MpPlaybackData::albumArt( HbIcon& icon ) const
+{
+ TX_ENTRY
+ if ( mAlbumArt->isNull() ) {
+ icon = HbIcon();
+ }
+ else {
+ icon = *mAlbumArt ;
+ }
+ TX_EXIT
+}
+
+/*!
+ 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
+}
+
+/*!
+ 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 ) {
+ QIcon qicon;
+ QPixmap mCompositePixmap;
+ mReqId = KUndefined;
+
+ mCompositePixmap = QPixmap( 360, 360 );
+ mCompositePixmap.fill( Qt::transparent );
+ QPainter painter(&mCompositePixmap);
+ painter.setCompositionMode(QPainter::CompositionMode_Clear);
+ painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
+ painter.fillRect(mCompositePixmap.rect(), Qt::transparent);
+ painter.drawPixmap(QRect(0, 0,360,360), pixmap);
+
+ if ( !mCompositePixmap.isNull() ) {
+ qicon = QIcon( mCompositePixmap );
+ }
+ else {
+ qicon = QIcon( pixmap );
+ }
+
+
+ mAlbumArt = new HbIcon(qicon);
+
+ emit albumArtReady();
+ }
+ else {
+ mReqId = KUndefined;
+ mAlbumArt = mDefaultAlbumArt;
+ emit albumArtReady();
+ }
+ TX_EXIT
+}
+