/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#ifndef OCARINA_TABS_H
#define OCARINA_TABS_H

#include <ocarina.h>
#include <playqueue.h>


class Tab {
private:
	std::set<unsigned int> visible_ids;
	unsigned int tab_sorting_count;
	std::string tab_sorting_title;

protected:
	Playqueue *tab_pq;
	Glib::RefPtr<PlayqueueModel> tab_model;
	Glib::RefPtr<Gtk::TreeModelFilter> tab_filter;


	/**
	 * Widgets that MUST be set by a child class
	 */
	Gtk::SearchEntry	*tab_search;
	Gtk::TreeView		*tab_treeview;
	Gtk::Widget		*tab_widget;

	/**
	 * Optional widgets that MAY be set
	 */
	Gtk::ToggleButton	*tab_random;
	Gtk::ToggleButton	*tab_repeat;
	Gtk::Label		*tab_size;


	/**
	 * Class helper functions
	 */
	void tab_init_random();
	void tab_init_repeat();
	void tab_toggle_button(Gtk::ToggleButton *, playqueue_flags);
	void tab_dec_sort_count();
	virtual void tab_set_size();
	void tab_unmap();

public:
	Tab(Playqueue *);
	virtual ~Tab();

	/**
	 * More helper functions
	 */
	void tab_finish_init();
	int  tab_page_num();
	bool tab_is_cur();
	void tab_runtime_changed();
	void tab_display_sorting();
	void tab_focus_search();
	void tab_selected_ids(std::vector<unsigned int> &);
	void tab_queue_add(Playqueue *);
	bool tab_queue_selected(bool);
	bool tab_add_to_queue(unsigned int);
	bool tab_add_to_playlist(const std::string &);
	bool tab_favorite_selected();
	void tab_ban_selected();

	/**
	 * internal callback functions that can be overridden if necessary
	 */
	virtual void on_post_init();
	virtual void on_track_added(unsigned int);
	virtual void on_track_deleted(unsigned int);
	virtual void on_track_changed(unsigned int);
	virtual bool on_key_press_event(const std::string &);
	virtual void on_show_rc_menu();

	/**
	 * GTK-MM callback functions
	 */
	void on_random_toggled();
	void on_repeat_toggled();
	void on_row_activated(const Gtk::TreePath &, Gtk::TreeViewColumn *);
	bool on_key_pressed(GdkEventKey *);
	void on_column_clicked(unsigned int);
	bool on_button_pressed(GdkEventButton *);

	/* Filtering functions */
	bool on_filter_visible(const Gtk::TreeIter &);
	bool on_entry_key_released(GdkEventKey *);
	void on_entry_changed();
};


Tab *find_tab(Playqueue *);
void tab_focus_search();
void init_tabs();
void post_init_tabs();
void cleanup_tabs();


void init_collection_tab();
void init_history_tab();
void init_playlist_tab();
void init_queue_tabs();

#endif /* OCARINA_TABS_H */