1 /* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
4 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #ifndef DCPOMATIC_CONTENT_H
23 #define DCPOMATIC_CONTENT_H
25 #include <boost/filesystem.hpp>
26 #include <boost/signals2.hpp>
27 #include <boost/thread/mutex.hpp>
28 #include <boost/enable_shared_from_this.hpp>
29 #include <libxml++/libxml++.h>
42 static int const START;
43 static int const LENGTH;
46 class Content : public boost::enable_shared_from_this<Content>
49 Content (boost::shared_ptr<const Film>, Time);
50 Content (boost::shared_ptr<const Film>, boost::filesystem::path);
51 Content (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
52 Content (Content const &);
54 virtual void examine (boost::shared_ptr<Job>);
55 virtual std::string summary () const = 0;
56 virtual std::string information () const = 0;
57 virtual void as_xml (xmlpp::Node *) const;
58 virtual boost::shared_ptr<Content> clone () const = 0;
59 virtual Time length () const = 0;
61 boost::filesystem::path file () const {
62 boost::mutex::scoped_lock lm (_mutex);
66 std::string digest () const {
67 boost::mutex::scoped_lock lm (_mutex);
71 void set_start (Time);
74 boost::mutex::scoped_lock lm (_mutex);
79 return start() + length();
82 boost::signals2::signal<void (boost::weak_ptr<Content>, int)> Changed;
85 void signal_changed (int);
87 boost::weak_ptr<const Film> _film;
88 mutable boost::mutex _mutex;
91 boost::filesystem::path _file;