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-/*! \file mg_media.c
- * \brief Top level access to media in vdr plugin muggle
- *
- * \version $Revision: 1.14 $
- * \date $Date$
- * \author Ralf Klueber, Lars von Wedel, Andreas Kellner
- * \author Responsible author: $Author$
- */
-
-/* makes sure we dont parse the same declarations twice */
-#include "mg_media.h"
-
-#include "mg_tools.h"
-#include "mg_content_interface.h"
-
-#include "gd_content_interface.h"
-
-#include "vdr_setup.h"
-
-
-//-------------------------------------------------------------------
-// mgFilterSets
-//-------------------------------------------------------------------
-/*!
- * \brief constructor
- *
- * constructor of the base class
- */
-
-mgFilterSets::mgFilterSets()
-{
- // nothing to be done in the base class
-}
-
-mgFilterSets::~mgFilterSets()
-{
- std::vector<mgFilter*> *set;
- for(std::vector<std::vector<mgFilter*>*>::iterator iter1 = m_sets.begin();
- iter1 != m_sets.end(); iter1++)
- {
- set = *iter1;
- for(std::vector<mgFilter*>::iterator iter2 = set->begin();
- iter2 != set->end(); iter2++)
- {
- delete (*iter2);
- }
- set->clear();
- delete set;
- }
- m_sets.clear();
-}
-/*!
- *******************************************************************
- * \brief returns the number of available sets
- ********************************************************************/
-int mgFilterSets::numSets()
-{
- return m_sets.size();
-}
-
- /*!
- *******************************************************************
- * \brief proceeds to the next one in a circular fashion
- ********************************************************************/
-void mgFilterSets::nextSet()
-{
- m_activeSetId++;
- if(m_activeSetId >= (int) m_sets.size())
- {
- m_activeSetId = 0;
- }
- m_activeSet = m_sets[m_activeSetId];
-}
- //
-
-/*!
- *******************************************************************
- * \brief activates a specific set by index
- *
- * \par n : index of the set to be activated
- *
- * If n is not a valid filter set, the first set (index 0 ) is activated
- ********************************************************************/
-void mgFilterSets::select(int n)
-{
- m_activeSetId = n ;
- if(m_activeSetId >= (int) m_sets.size())
- {
- m_activeSetId = 0;
- }
- m_activeSet = m_sets[m_activeSetId];
-
-}
-
- /*!
- *******************************************************************
- * \brief restores the default values for all filter values in the active set
- ********************************************************************/
- void mgFilterSets::clear()
-{
- for(std::vector<mgFilter*>::iterator iter = m_activeSet->begin();
- iter != m_activeSet->end(); iter++)
- {
- (*iter)->clear();
- }
-}
- /*!
- *******************************************************************
- * \brief stores the current filter values
- ********************************************************************/
- void mgFilterSets::accept()
-{
- for(std::vector<mgFilter*>::iterator iter = m_activeSet->begin();
- iter != m_activeSet->end(); iter++)
- {
- (*iter)->store();
- }
-}
-
-/*!
- *******************************************************************
- * \brief returns the active filter set to the application
- *
- * the application may temporarily modify the filter values
- * accept() needs to be called to memorize the changed values
- ********************************************************************/
- std::vector<mgFilter*> *mgFilterSets::getFilters()
-{
- for(std::vector<mgFilter*>::iterator iter = m_activeSet->begin();
- iter != m_activeSet->end(); iter++)
- {
- (*iter)->restore();
- }
- return m_activeSet;
-}
-
-
-/*!
- * \brief return title of the active filter set
- */
-std::string mgFilterSets::getTitle()
-{
- if(m_activeSetId < (int) m_titles.size())
- {
- return m_titles[m_activeSetId];
- }
- else
- {
- mgWarning("Implementation error: No title std::string for filter set %d",
- m_activeSetId);
- return "NO-TITLE";
- }
-}
-
-/*!
- * \class mgMedia
- *
- * \brief mein class to access content in the vdr plugin muggle
- */
-mgMedia::mgMedia(contentType mediatype)
-{
- int errval = 0;
- m_filters = NULL;
- m_mediatype = mediatype;
- m_sql_filter = "1";
- m_defaultView = 1;
-
- // now initialize the database
- mgDebug(1, "Media Type %sselected", getMediaTypeName().c_str());
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- errval = GdInitDatabase(&m_db);
- mgDebug(3, "Successfully connected to sql database %s", the_setup.DbName );
- }
- }
- if(errval < 0)
- {
- mgError("Error connecting to database\n");
- }
-
- mgDebug(3, "Initializing track filters");
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- errval = GdInitDatabase( &m_db ); // TODO: why duplicate this? LVW
- mgDebug(3, "Successfully conntected to sql database %s", the_setup.DbName );
- }
- }
-}
-
-mgMedia::~mgMedia()
-{
- if( m_filters )
- {
- delete m_filters;
- }
-}
-
-std::string mgMedia::getMediaTypeName()
-{
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- return "GiantDisc";
- } break;
- }
- mgError("implementation Error"); // we should never get here
- return "";
-}
-
-mgSelectionTreeNode* mgMedia::getSelectionRoot()
-{
- switch(m_mediatype)
- {
- case GD_MP3:
- return new GdTreeNode(m_db, m_defaultView, m_sql_filter);
- }
- mgError("implementation Error"); // we should never get here
- return NULL;
-}
-
-mgPlaylist* mgMedia::createTemporaryPlaylist()
-{
- std::string tmpname = "current";
- return loadPlaylist( tmpname );
-}
-
-mgPlaylist* mgMedia::loadPlaylist(std::string name)
-{
- mgPlaylist *list;
- switch( m_mediatype )
- {
- case GD_MP3:
- {
- list = new GdPlaylist( name, m_db );
- list->setDisplayColumns(getDefaultCols());
-
- return list;
- } break;
- }
- mgError("Implementation error: Unknown media type"); // we should never get here
- return NULL;
-}
-
-/*!
- * \brief Obtain a list of stored playlists
- */
-std::vector<std::string> *mgMedia::getStoredPlaylists()
-{
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- return GdGetStoredPlaylists( m_db );
- } break;
- }
- mgError("implementation Error"); // we should never get here
- return new std::vector<std::string>();
-}
-
-/*!
- * \brief obtain the indices of columns which are presented by default
- */
-std::vector<int> mgMedia::getDefaultCols()
-{
- std::vector<int> cols;
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- cols.push_back(1); // artist
- cols.push_back(0); // track
-
- return cols;
- } break;
- }
- mgError("implementation Error"); // we should never get here
-
- return cols;
-}
-
-/*!
- * \brief
- */
-mgTracklist* mgMedia::getTracks()
-{
- mgTracklist *tracks;
- switch(m_mediatype)
- {
- case GD_MP3:
- tracks = new GdTracklist(m_db, m_sql_filter);
- tracks->setDisplayColumns(getDefaultCols());
- return tracks;
- }
- mgError("implementation Error"); // we should never get here
-
- return NULL;
-}
-
-/*!
- * \brief creates FiliterSetObject for the selected media type
- * and activates set n (if available)
- */
-void mgMedia::initFilterSet(int num)
-{
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- m_filters = new gdFilterSets();
- m_filters->select(num);
- } break;
- }
-}
-
-/*!
- *******************************************************************
- * \brief returns pointer to the activen filter set to be modified by the osd
- *
- * Note: Modifications become only effective by calling applyActiveFilter()
- ********************************************************************/
-std::vector<mgFilter*> *mgMedia::getActiveFilters()
-{
- if(!m_filters)
- {
- mgError("ImplementationError: getActiveFilters m_filters == NULL");
- }
- return m_filters->getFilters();
-}
-
-/*!
- * \brief returns title of the active filter set
- */
-std::string mgMedia::getActiveFilterTitle()
-{
-
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- if( !m_filters )
- {
- mgError("ImplementationError:getActiveFilterTitle m_filters == NULL");
- }
- return m_filters->getTitle();
- } break;
- }
- return "";
-}
-
-/*!
- * \brief proceeds to the next filter set in a cirlucar fashion
- */
-void mgMedia::nextFilterSet()
-{
- if(!m_filters)
- {
- mgError("ImplementationError: nextFilterSet m_filters == NULL");
- }
- m_filters->nextSet();
-}
-
-/*!
- * \brief clears the current filter values and restores defaults
- */
-void mgMedia::clearActiveFilter()
-{
- if( !m_filters )
- {
- mgError("ImplementationError: clearActiveFilter m_filters == NULL");
- }
- m_filters->clear();
-}
-
-/*!
- * \brief Applies the active filter set and returns a root node for the
- * selection in the default view for this filter set
- */
-mgSelectionTreeNode* mgMedia::applyActiveFilter()
-{
- int view;
- GdTreeNode* node;
-
- switch(m_mediatype)
- {
- case GD_MP3:
- {
- if(!m_filters)
- {
- mgError("ImplementationError: applyActiveFilter() m_filters == NULL");
- }
- m_filters->accept();
- m_sql_filter = m_filters->computeRestriction(&view);
- node = new GdTreeNode(m_db, view, m_sql_filter);
- node->expand();
- return node->getChildren()[0];
- } break;
- }
- return NULL;
-}
-
-
-/* -------------------- begin CVS log ---------------------------------
- * $Log: mg_media.c,v $
- * Revision 1.14 2004/07/29 06:17:40 lvw
- * Added todo entries
- *
- * Revision 1.13 2004/05/28 15:29:18 lvw
- * Merged player branch back on HEAD branch.
- *
- * Revision 1.12 2004/02/23 16:30:58 RaK
- * - album search error because of i18n corrected
- *
- * Revision 1.11 2004/02/12 09:15:07 LarsAC
- * Moved filter classes into separate files
- *
- * Revision 1.10.2.3 2004/05/25 00:10:45 lvw
- * Code cleanup and added use of real database source files
- *
- * Revision 1.10.2.2 2004/03/14 17:57:30 lvw
- * Linked against libmad. Introduced config options into code.
- *
- * Revision 1.10.2.1 2004/03/02 07:05:50 lvw
- * Initial adaptations from MP3 plugin added (untested)
- *
- * Revision 1.12 2004/02/23 16:30:58 RaK
- * - album search error because of i18n corrected
- *
- * Revision 1.11 2004/02/12 09:15:07 LarsAC
- * Moved filter classes into separate files
- *
- * Revision 1.10 2004/02/10 23:47:23 RaK
- * - views konsitent gemacht. siehe FROMJOIN
- * - isLeafNode angepasst fuer neue views 4,5,100,101
- * - like '%abba%' eingebaut
- * - filter ist default mit abba gefuellt, zum leichteren testen.
- * - search results werden jetzt gleich im ROOT expanded
- *
- * Revision 1.9 2004/02/09 19:27:52 MountainMan
- * filter set implemented
- *
- * Revision 1.8 2004/02/02 23:33:41 MountainMan
- * impementation of gdTrackFilters
- *
- * Revision 1.7 2004/02/02 22:48:04 MountainMan
- * added CVS $Log
- *
- * --------------------- end CVS log ----------------------------------
- */
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