Document.h

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/* Copyright (C) 2006-2017 PUC-Rio/Laboratorio TeleMidia

This file is part of Ginga (Ginga-NCL).

Ginga 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.

Ginga 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 Ginga.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef DOCUMENT_H
#define DOCUMENT_H

#include "Object.h"

GINGA_NAMESPACE_BEGIN

class Context;
class Media;
class Switch;

class Document
{
public:
  Document ();
  virtual ~Document ();

  const set<Object *> *getObjects ();
  Object *getObjectById (const string &);
  Object *getObjectByIdOrAlias (const string &);
  void addObject (Object *);

  Context *getRoot ();
  MediaSettings *getSettings ();
  const set<Media *> *getMedias ();
  const set<Context *> *getContexts ();
  const set<Switch *> *getSwitches ();

  int evalAction (Event *, Event::Transition, const string &value="");
  int evalAction (Action);
  bool evalPredicate (Predicate *);
  bool evalPropertyRef (const string &, string *);

  bool getData (const string &, void **);
  bool setData (const string &, void *, UserDataCleanFunc fn=nullptr);

private:
  set<Object *> _objects;       // all objects
  Context *_root;               // root object
  MediaSettings *_settings;     // settings object
  set<Media *> _medias;         // media objects
  set<Context *> _contexts;     // context objects
  set<Switch *> _switches;      // switch objects
  UserData _udata;              // user data
};

GINGA_NAMESPACE_END

#endif // DOCUMENT_H