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/*
* Copyright (C) 2000 Arne Schirmacher <arne@schirmacher.de>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _PLAYLIST_H
#define _PLAYLIST_H
// C++ Include files
#include <vector>
using std::vector;
#include <string>
using std::string;
#include <map>
using std::map;
// C includes
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
// forward declarations
class Frame;
class FileHandler;
/** The PlayList class handles a collection of movie files.
*/
class PlayList
{
public:
PlayList();
PlayList(const PlayList&);
PlayList& operator=(const PlayList&);
~PlayList();
int GetNumFrames() const;
char* GetFileNameOfFrame(int frameNum) const;
bool GetFrame(int frameNum, Frame &frame);
bool GetMediaObject(int frameNum, FileHandler **media);
int GetClipBegin(int frameNum) const;
int GetClipEnd(int frameNum) const;
bool SetClipBegin(int frameNum, const char* value);
bool SetClipEnd(int frameNum, const char* value);
int FindStartOfScene(int frameNum) const;
int FindEndOfScene(int frameNum) const;
void AutoSplit(int first, int last);
bool SplitSceneBefore(int frameNum);
bool JoinScenesAt(int frameNum);
bool GetPlayList(int first, int last, PlayList &playlist) const;
bool InsertPlayList(PlayList &playlist, int before);
bool Delete(int first, int last);
bool LoadMediaObject(char *filename);
bool LoadPlayList(char *filename);
bool SavePlayList(char *filename);
bool SavePlayListEli(char *filename, bool isPAL);
void CleanPlayList(xmlNodePtr node);
void CleanPlayList( );
bool IsFileUsed( string filename ) const;
bool IsDirty( ) const;
void SetDirty( bool value );
string GetDocName( ) const;
void GetLastCleanPlayList( PlayList &playlist );
void SetDocName( string );
string GetProjectDirectory( );
protected:
bool dirty;
private:
void RefreshCount();
string doc_name;
xmlDocPtr doc;
int count;
};
/** Directory and path utilities
*/
class directory_utils
{
public:
static string join_file_to_directory( const string directory, const string &file );
static string get_directory_from_file( const string &file );
static string get_absolute_path_to_file( const string &directory, const string &file );
static string get_relative_path_to_file( const string &directory, const string &file );
static string expand_directory( const string directory );
};
/** The EditorBackup class holds the previous PlayLists for undo/redo functionality.
*/
class EditorBackup {
private:
int maxUndos;
int position;
vector <PlayList *> backups;
public:
EditorBackup();
~EditorBackup();
void Store( PlayList * );
void Undo( PlayList * );
void Redo( PlayList * );
void SetAllDirty( );
void Clear( );
};
/** The singleton method for obtaining the instance of the EditorBackup.
*/
extern EditorBackup *GetEditorBackup();
/** The FileMap class holds the mappings between the file name and the loaded file objects.
*/
class FileMap
{
public:
/** The map from file name to handler is here */
virtual map<string, FileHandler*> &GetMap() = 0;
/** Clears the content of the file map. */
virtual void Clear() = 0;
/** Obtains a list of unused fx rendered files. */
virtual void GetUnusedFxFiles( PlayList &list, vector< string > &unused ) = 0;
};
/** The singleton method for obtain the instance of the file map.
*/
extern FileMap *GetFileMap( );
#endif
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