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/***************************************************************************
dub.h - description
-------------------
begin : Tue Oct 23 01:44:51 EEST 2001
copyright : (C) 2001 by Eray Ozkural (exa)
email : erayo@cs.bilkent.edu.tr
***************************************************************************/
/***************************************************************************
* *
* 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 Dub_Interface
#define Dub_Interface
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
// KDE includes
#include <tdeapplication.h>
#include <tdemainwindow.h>
#include <kurl.h>
#include <noatun/plugin.h>
#include <noatun/playlist.h>
// sys includes
#include <vector>
#include <list>
// forward decl
class KFileItem;
class KDirLister;
class DubPlaylist;
// application specific includes
#include "dubapp.h"
#include "dubconfigmodule.h"
// dub specific application code
class Dub : public DubApp
{
Q_OBJECT
public:
Dub(DubPlaylist* plist);
public slots:
/** A file selected */
void fileSelected(const KFileItem*);
void mediaHomeSelected(const TQString& url);
signals:
void setMediaHome(KURL);
// xemacs rules
public:
/** playlist object to interface noatun
*/
DubPlaylist& playlist;
/** noatun configuration object
*/
DubConfigModule& dubconfig;
KFileItem* getActiveFile() { return activeFile; }
/** find root */
KFileItem* queryRoot();
/** First file in the sequence */
const KFileItem* queryFirstFile();
/** Select next file in order */
void selectNextFile();
/** Select previous file in order */
void selectPreviousFile();
public:
/* The chosen file */
KFileItem* activeFile;
private:
void configure_sequencing();
// expansion slot :P
struct Sequencer {
Sequencer(Dub* d) : dub(*d) {}
virtual KFileItem* first() = 0;
virtual void next() = 0;
virtual void prev() = 0;
Dub& dub;
void set_file(KFileItem** file, KFileItem* val);
};
Sequencer* sequencer;
// possible sequencers are linear/oneDir, linear/recursive,
// shuffle/oneDir, shuffle/recursive, repeat, single
// linear sequencing subsystem
struct Linear_Seq : public Sequencer {
Linear_Seq(Dub* d) : Sequencer(d) {}
KFileItem* first(TQPtrList<KFileItem> & items);
KFileItem* last(TQPtrList<KFileItem> & items);
KFileItem* next(TQPtrList<KFileItem> & items, KFileItem** active_file);
KFileItem* prev(TQPtrList<KFileItem> & items, KFileItem** active_file);
bool find(TQPtrList<KFileItem> & items, KFileItem* a_file);
};
// sequencer that traverses current directory in view order
struct Linear_OneDir : public Linear_Seq {
Linear_OneDir(Dub* d) : Linear_Seq(d), first_file(0) {}
virtual ~Linear_OneDir() {}
KFileItem* first();
void next();
void prev();
KFileItem* first_file;
};
Linear_OneDir linear_onedir;
// directory node for recursive play
struct Dir_Node
{
Dir_Node(TQString dir, bool forward = true);
TQString dir;
TQStringList subdirs;
TQStringList::iterator current_subdir;
TQPtrList<KFileItem> file_items;
KFileItem* current_file;
void init_traversal(bool forward);
bool past_begin; // stupid iterators
};
// recursive play sequencing subsystem
struct Recursive_Seq {
Recursive_Seq();
void init(const KURL & root);
TQString canonical_path(TQString dir);
bool check_dir(TQString dir);
Dir_Node* top_dir() { return play_stack.getLast(); }
Dir_Node* bottom_dir() { return play_stack.getFirst(); }
bool push_dir(TQString dir, bool forward = true);
bool pop_dir();
bool advance(bool forward = true);
void pop_preorder(bool forward = true);
void next_preorder();
void prev_preorder();
void print_stack();
TQString recursion_root;
TQPtrList<Dir_Node> play_stack;
};
// sequencer to make a preorder walk of the directory tree
struct Linear_Recursive
: public Sequencer, public Recursive_Seq {
Linear_Recursive(Dub* d);
virtual ~Linear_Recursive() {};
KFileItem* first();
void next();
void prev();
};
Linear_Recursive linear_recursive;
// shuffle/onedir sequencer
struct Shuffle_OneDir
: public Sequencer {
Shuffle_OneDir(Dub* d) : Sequencer(d) {
items.setAutoDelete(true);
}
virtual ~Shuffle_OneDir() {};
void init(const TQString& dir);
KFileItem* first();
void next();
void prev();
void init();
int play_index;
std::vector<int> play_order;
KURL shuffle_dir;
TQPtrList<KFileItem> items;
};
Shuffle_OneDir shuffle_onedir;
// shuffle/recursive sequencer
struct Shuffle_Recursive
: public Sequencer, public Recursive_Seq {
Shuffle_Recursive(Dub* d) : Sequencer(d) {}
virtual ~Shuffle_Recursive() {}
KFileItem* random_file();
KFileItem* first();
void next();
void prev();
TQString shuffle_root;
};
Shuffle_Recursive shuffle_recursive;
};
#endif // DUB_H
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