/*
 * Copyright (C) 2021 Robin Gareus <robin@gareus.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.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __gtk_ardour_trigger_clip_picker_h__
#define __gtk_ardour_trigger_clip_picker_h__

#include <set>
#include <string>

#include <gtkmm/box.h>
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/scale.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/table.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treestore.h>
#include <gtkmm/treeview.h>

#include "ardour/session_handle.h"

#include "widgets/ardour_dropdown.h"
#include "widgets/ardour_button.h"

class TriggerClipPicker : public Gtk::VBox, public ARDOUR::SessionHandlePtr
{
public:
	TriggerClipPicker ();
	~TriggerClipPicker ();

	void set_session (ARDOUR::Session*);

private:
	void list_dir (std::string const&, Gtk::TreeNodeChildren const* pc = NULL);
	void open_dir ();
	void edit_path ();
	void refill_dropdown ();
	void parameter_changed (std::string const&);
	void row_selected ();
	void cursor_changed ();
	void row_activated (Gtk::TreeModel::Path const&, Gtk::TreeViewColumn*);
	bool test_expand (Gtk::TreeModel::iterator const&, Gtk::TreeModel::Path const&);
	void row_collapsed (Gtk::TreeModel::iterator const&, Gtk::TreeModel::Path const&);
	void drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Gtk::SelectionData&, guint, guint);
	void maybe_add_dir (std::string const&);
	void audition_selected ();
	void audition (std::string const&);
	void audition_active (bool);
	void audition_progress (ARDOUR::samplecnt_t, ARDOUR::samplecnt_t);
	void stop_audition ();
	void autoplay_toggled ();
	bool seek_button_press (GdkEventButton*);
	bool seek_button_release (GdkEventButton*);

	ArdourWidgets::ArdourDropdown _dir;
	Gtk::FileChooserDialog        _fcd;

	struct Columns : public Gtk::TreeModel::ColumnRecord {
		Columns ()
		{
			add (name);
			add (path);
			add (read);
			add (file);
		}
		Gtk::TreeModelColumn<std::string> name;
		Gtk::TreeModelColumn<std::string> path;
		Gtk::TreeModelColumn<bool>        read;
		Gtk::TreeModelColumn<bool>        file;
	};

	Columns                      _columns;
	Glib::RefPtr<Gtk::TreeStore> _model;
	Gtk::TreeView                _view;
	Gtk::ScrolledWindow          _scroller;
	Gtk::Table                   _auditable;
	ArdourWidgets::ArdourButton  _play_btn;
	ArdourWidgets::ArdourButton  _stop_btn;
	Gtk::HScale                  _seek_slider;
	Gtk::CheckButton             _autoplay_btn;

	std::string _current_path;

	std::set<std::string> _root_paths;

	bool                      _seeking;
	PBD::ScopedConnectionList _auditioner_connections;
	PBD::ScopedConnection     _config_connection;
};

#endif