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/*
Copyright (C) 2000 Paul Davis
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __ardour_location_h__
#define __ardour_location_h__
#include <string>
#include <list>
#include <iostream>
#include <map>
#include <sys/types.h>
#include <sigc++/signal.h>
#include <glibmm/thread.h>
#include <pbd/undo.h>
#include <pbd/stateful.h>
#include <pbd/statefuldestructible.h>
#include <ardour/ardour.h>
using std::string;
namespace ARDOUR {
class Location : public PBD::StatefulDestructible
{
public:
enum Flags {
IsMark = 0x1,
IsAutoPunch = 0x2,
IsAutoLoop = 0x4,
IsHidden = 0x8,
IsCDMarker = 0x10,
IsEnd = 0x20,
IsRangeMarker = 0x40,
IsStart = 0x80
};
Location (nframes_t sample_start,
nframes_t sample_end,
const string &name,
Flags bits = Flags(0))
: _name (name),
_start (sample_start),
_end (sample_end),
_flags (bits) { }
Location () {
_start = 0;
_end = 0;
_flags = 0;
}
Location (const Location& other);
Location (const XMLNode&);
Location* operator= (const Location& other);
nframes_t start() { return _start; }
nframes_t end() { return _end; }
nframes_t length() { return _end - _start; }
int set_start (nframes_t s);
int set_end (nframes_t e);
int set (nframes_t start, nframes_t end);
const string& name() { return _name; }
void set_name (const string &str) { _name = str; name_changed(this); }
void set_auto_punch (bool yn, void *src);
void set_auto_loop (bool yn, void *src);
void set_hidden (bool yn, void *src);
void set_cd (bool yn, void *src);
void set_is_end (bool yn, void* src);
void set_is_start (bool yn, void* src);
bool is_auto_punch () { return _flags & IsAutoPunch; }
bool is_auto_loop () { return _flags & IsAutoLoop; }
bool is_mark () { return _flags & IsMark; }
bool is_hidden () { return _flags & IsHidden; }
bool is_cd_marker () { return _flags & IsCDMarker; }
bool is_end() { return _flags & IsEnd; }
bool is_start() { return _flags & IsStart; }
bool is_range_marker() { return _flags & IsRangeMarker; }
sigc::signal<void,Location*> name_changed;
sigc::signal<void,Location*> end_changed;
sigc::signal<void,Location*> start_changed;
sigc::signal<void,Location*,void*> FlagsChanged;
/* this is sent only when both start&end change at the same time */
sigc::signal<void,Location*> changed;
/* CD Track / CD-Text info */
std::map<string, string> cd_info;
XMLNode& cd_info_node (const string &, const string &);
XMLNode& get_state (void);
int set_state (const XMLNode&);
private:
string _name;
nframes_t _start;
nframes_t _end;
uint32_t _flags;
void set_mark (bool yn);
bool set_flag_internal (bool yn, Flags flag);
};
class Locations : public PBD::StatefulDestructible
{
public:
typedef std::list<Location *> LocationList;
Locations ();
~Locations ();
void add (Location *, bool make_current = false);
void remove (Location *);
void clear ();
void clear_markers ();
void clear_ranges ();
XMLNode& get_state (void);
int set_state (const XMLNode&);
Location *get_location_by_id(PBD::ID);
Location* auto_loop_location () const;
Location* auto_punch_location () const;
Location* end_location() const;
Location* start_location() const;
uint32_t num_range_markers() const;
int set_current (Location *, bool want_lock = true);
Location *current () const { return current_location; }
Location *first_location_before (nframes_t);
Location *first_location_after (nframes_t);
nframes_t first_mark_before (nframes_t);
nframes_t first_mark_after (nframes_t);
sigc::signal<void,Location*> current_changed;
sigc::signal<void> changed;
sigc::signal<void,Location*> added;
sigc::signal<void,Location*> removed;
sigc::signal<void,Change> StateChanged;
template<class T> void apply (T& obj, void (T::*method)(LocationList&)) {
Glib::Mutex::Lock lm (lock);
(obj.*method)(locations);
}
template<class T1, class T2> void apply (T1& obj, void (T1::*method)(LocationList&, T2& arg), T2& arg) {
Glib::Mutex::Lock lm (lock);
(obj.*method)(locations, arg);
}
private:
LocationList locations;
Location *current_location;
mutable Glib::Mutex lock;
int set_current_unlocked (Location *);
void location_changed (Location*);
};
} // namespace ARDOUR
#endif /* __ardour_location_h__ */
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