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/***************************************************************************
begin : Tue Nov 9 2004
copyright : (C) 2004 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef NOWPLAYING_H
#define NOWPLAYING_H
#include <kactivelabel.h>
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqguardedptr.h>
#include "filehandle.h"
#include "playlist.h"
class TQTimer;
class TQPoint;
class NowPlayingItem;
class PlaylistCollection;
class Playlist;
/**
* This is the widget that holds all of the other items and handles updating them
* when the playing item changes.
*/
class NowPlaying : public TQHBox
{
TQ_OBJECT
public:
NowPlaying(TQWidget *parent, PlaylistCollection *collection,
const char *name = 0);
void addItem(NowPlayingItem *item);
PlaylistCollection *collection() const;
private slots:
void slotUpdate();
private:
struct Observer : public PlaylistObserver
{
Observer(NowPlaying *parent, PlaylistInterface *playlist) :
PlaylistObserver(playlist),
m_parent(parent) {}
virtual void updateCurrent() {}
virtual void updateData() { m_parent->slotUpdate(); }
NowPlaying *m_parent;
};
friend struct Observer;
Observer m_observer;
PlaylistCollection *m_collection;
TQValueList<NowPlayingItem *> m_items;
};
/**
* Abstract base for the other NowPlaying items.
*/
class NowPlayingItem
{
public:
virtual void update(const FileHandle &file) = 0;
NowPlaying *parent() const { return m_parent; }
protected:
NowPlayingItem(NowPlaying *parent) : m_parent(parent) { parent->addItem(this); }
private:
NowPlaying *m_parent;
};
/**
* Displays the cover of the currently playing file if available, or hides
* itself if not.
*/
class CoverItem : public TQLabel, public NowPlayingItem
{
public:
CoverItem(NowPlaying *parent);
virtual void update(const FileHandle &file);
virtual void mouseReleaseEvent(TQMouseEvent *event);
protected:
virtual void dragEnterEvent(TQDragEnterEvent *e);
virtual void dropEvent(TQDropEvent *e);
virtual void mousePressEvent(TQMouseEvent *e);
virtual void mouseMoveEvent(TQMouseEvent *e);
private:
FileHandle m_file;
bool m_dragging;
TQPoint m_dragStart;
};
/**
* A link label that doesn't automatically open Konqueror.
*/
class LinkLabel : public KActiveLabel
{
public:
LinkLabel(TQWidget *parent, const char *name = 0) : KActiveLabel(parent, name) {}
virtual void openLink(const TQString &) {}
};
/**
* Show the text information on the current track and provides links to the
* album and artist of the currently playing item.
*/
class TrackItem : public TQWidget, public NowPlayingItem
{
TQ_OBJECT
public:
TrackItem(NowPlaying *parent);
virtual void update(const FileHandle &file);
private slots:
void slotOpenLink(const TQString &link);
void slotUpdate();
private:
FileHandle m_file;
LinkLabel *m_label;
};
/**
* Shows up to 10 items of history and links to those items.
*/
class HistoryItem : public LinkLabel, public NowPlayingItem
{
TQ_OBJECT
public:
HistoryItem(NowPlaying *parent);
virtual void update(const FileHandle &file);
virtual void openLink(const TQString &link);
private slots:
void slotAddPlaying();
private:
struct Item
{
Item() {}
Item(const TQString &a, const FileHandle &f, Playlist *p)
: anchor(a), file(f), playlist(p) {}
TQString anchor;
FileHandle file;
TQGuardedPtr<Playlist> playlist;
};
TQValueList<Item> m_history;
LinkLabel *m_label;
TQTimer *m_timer;
FileHandle m_file;
};
#endif
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