--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/musicwidgetplugin/inc/musicwidget.h	Fri Jun 11 13:36:36 2010 +0300
@@ -0,0 +1,199 @@
+/*
+* Copyright (c) 2010 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 home screen widget
+*
+*/
+
+#ifndef MUSICWIDGET_H
+#define MUSICWIDGET_H
+
+// System includes
+#include <QGraphicsLinearLayout>
+#include <QGraphicsGridLayout>
+#include <hbwidget.h>
+#include <xqappmgr.h>
+
+#include "mpplaybackdata.h"
+
+// Forward declarations
+class HbLabel;
+class HbPushButton;
+class HbIcon;
+class HbMarqueeItem;
+class MpEngine;
+//class MpPlaybackData;
+
+/**
+ * Media key identifier for push button events
+ */
+enum MediaKeyIdentifier{
+    EPrevious = 1,
+    EPlayPause,
+    ENext
+};
+
+/**
+ * Music Player launch source identifier
+ */    
+enum LaunchIdentifier{
+    ELaunchFromPlay,
+    ELaunchFromShortcut
+};
+
+class MusicWidget: public HbWidget
+{
+    Q_OBJECT
+    
+public:    
+    MusicWidget(QGraphicsItem *parent = 0, Qt::WindowFlags flags = 0);
+    ~MusicWidget();
+
+private:
+    
+    /**
+     * Setup graphics
+     */    
+    void setupUi();
+    
+    /**
+     * Get latest song data, player state and album art 
+     */      
+    void refreshData();
+    
+    /**
+     * Launch Music Player to view
+     */      
+    void launchMusicPlayer(int launchMode = ELaunchFromShortcut);
+    
+    /**
+     * Similar to public slots mediaButtonPressed and mediaButtonReleased, but this oen is called internally
+     * Draws the spesified button to disabled state
+     */
+    void mediaButtonDisabled( int aMediaKeyId );
+    
+    /**
+     * Similar to public slots mediaButtonPressed and mediaButtonReleased, but this oen is called internally
+     * Draws the spesified button to enabled state
+     */    
+    void mediaButtonEnabled( int aMediaKeyId );
+    
+    /**
+     * Disable/enable widget buttons according to Music Player state
+     */       
+    void toggleButtons();
+    
+public:
+    QRectF boundingRect() const;
+    QPainterPath shape() const;
+    
+public slots:
+
+    /**
+     * Widget slots
+     */    
+    void onInitialize();
+    void onShow();
+    void onHide();
+    void onUninitialize();
+    
+    /**
+     * MpEngine slots
+     */    
+    void libraryAboutToUpdate();
+    void libraryUpdated();
+    void usbBlocked( bool blocked );    
+
+    /**
+     * MpPlaybackData slots
+     */        
+    void albumArtReady();
+    void playbackStateChanged();
+    void playbackInfoChanged();    
+    
+    /**
+     * ?????
+     */            
+    bool eventFilter(QObject *target, QEvent *event);
+    
+    /**
+     * Button specific slots
+     */        
+    void mediaButtonPressed( int aMediaKeyId );
+    void mediaButtonReleased( int aMediaKeyId );
+    
+protected:
+    
+    /**
+     * Called from mediaButtonPressed and from mediaButtonReleased slots. 
+     * Calls defineMediaButton to redraw the media button
+     */
+    void mediaButtonEvent( MediaKeyIdentifier aMediaKeyId, QString aGraphicsId, QString aIconColor );
+
+    /**
+     * Creates the aTarget push button based on params aGraphicsId and aSuffix. 
+     * Used to change the look and feel of the button based to the aState
+     * param: aTarget is the push button to be changed, must not be Null
+     * param: aGraphicsId defines the button background graphics
+     * param: aSuffix filename suffix, see KPrevButPrefix for example from musicwidget.cpp
+     */
+    void defineMediaButton( HbPushButton& aTarget, QString aGraphicsId, QStringList aSuffix, QString aIconColor );
+
+private slots:
+
+    /**
+     * Slots to be called after button press
+     */    
+    void prevSong();
+    void playSong();
+    void nextSong();
+    void shortcutButton();
+    
+private:  
+    // mShortcutButtonLayout items
+    HbPushButton *mShortcutArea;
+
+    //mSongDataLayout items
+    HbWidget *mSongDataBG;
+    HbLabel *mInformationSongName;
+    HbMarqueeItem *mMarqueeText;
+    
+    // mControlButtonsLayout items
+    HbPushButton *mPreviousPushButton;
+    HbPushButton *mPlayPushButton;
+    HbPushButton *mNextPushButton;
+    
+    // MusicPlayer related state identifiers
+    bool mMusicPlayerNoSongData;
+    bool mMusicPlayerUpdating;
+    bool mMusicPlayerBlocked;
+    
+    // Album art for background
+    HbLabel *mAlbumArtLabel;
+    qreal mAlbumArtWidth;
+    qreal mAlbumArtHeight; 
+    
+    // Artist and song title identifiers 
+    QString mArtist;
+    QString mTitle;
+    
+    // Used to launch MusicPlayer
+    XQApplicationManager mApplicationManager;
+    
+    // MusicPlayer control and state updates
+    MpEngine* mMpEngine;
+    MpPlaybackData* mMpPlaybackData;
+
+};
+
+#endif // MUSICWIDGET_H