dbd27d1297
I also introduced a file_readf() function to make it easier to read a formatted string from the file. Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
248 lines
4.8 KiB
C++
248 lines
4.8 KiB
C++
/**
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* Copyright 2013 (c) Anna Schumaker.
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*/
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#include <core/idle.h>
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#include <core/library.h>
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#include <core/print.h>
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#include <glib.h>
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#include <taglib/tag.h>
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#include <taglib/fileref.h>
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class LibraryQueue : public Queue {
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private:
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file f;
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public:
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LibraryQueue() : Queue(Q_ENABLED | Q_REPEAT)
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{
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file_init(&f, "library.q", 0);
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Queue :: sort(SORT_ARTIST, true);
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Queue :: sort(SORT_YEAR, false);
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Queue :: sort(SORT_TRACK, false);
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}
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void save()
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{
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std::vector<struct sort_info>::iterator it;
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file_open(&f, OPEN_WRITE);
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file_writef(&f, "%u %u", _flags, _sort_order.size());
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for (it = _sort_order.begin(); it != _sort_order.end(); it++)
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file_writef(&f, " %u %d", it->field, it->ascending);
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file_writef(&f, "\n");
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file_close(&f);
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}
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void load()
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{
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unsigned int field;
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int ascending;
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unsigned int n;
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if (!file_open(&f, OPEN_READ))
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return;
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file_readf(&f, "%u %u", &_flags, &n);
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for (unsigned int i = 0; i < n; i++) {
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file_readf(&f, "%u %d", &field, &ascending);
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Queue :: sort((sort_t)field, (i == 0) ? true : false);
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if (ascending == false)
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Queue :: sort((sort_t)field, false);
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}
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file_close(&f);
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}
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void set_flag(queue_flags f) { Queue :: set_flag(f); save(); }
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void unset_flag(queue_flags f) { Queue :: unset_flag(f); save(); }
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void sort(sort_t field, bool ascending)
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{
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Queue :: sort(field, ascending);
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save();
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};
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};
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static LibraryQueue library_q;
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struct scan_info {
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Library *library;
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std :: string path;
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};
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static void scan_path(struct scan_info &);
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/*
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* Scanning functions are here
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*/
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static void tag_track(Library *library, const std::string &filepath)
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{
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Track *track;
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TagLib :: Tag *tag;
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TagLib :: AudioProperties *audio;
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TagLib :: FileRef ref(filepath.c_str(), true, TagLib::AudioProperties::Fast);
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if (ref.isNull()) {
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print("WARNING: Could not read tags for file %s\n", filepath.c_str());
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return;
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}
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tag = ref.tag();
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audio = ref.audioProperties();
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track = tags :: add_track(
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tags :: get_album(tag->album().stripWhiteSpace().to8Bit(true), tag->year()),
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tags :: get_artist(tag->artist().stripWhiteSpace().to8Bit(true)),
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tags :: get_genre(tag->genre().stripWhiteSpace().to8Bit(true)),
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library, filepath,
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tag->title().stripWhiteSpace().to8Bit(true),
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audio->length(), tag->track()
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);
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if (track)
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library_q.add(track);
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}
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static void process_path(Library *library, const std :: string &dir,
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const std :: string &name)
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{
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struct scan_info scan = {
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.library = library,
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.path = dir + "/" + name,
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};
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if (g_file_test(scan.path.c_str(), G_FILE_TEST_IS_DIR) == true)
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idle :: schedule (scan_path, scan);
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else
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tag_track(library, scan.path);
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}
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static void scan_path(struct scan_info &scan)
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{
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GDir *dir;
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const char *name;
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dir = g_dir_open(scan.path.c_str(), 0, NULL);
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if (dir == NULL)
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return;
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name = g_dir_read_name(dir);
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while (name != NULL) {
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process_path(scan.library, scan.path, name);
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name = g_dir_read_name(dir);
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}
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tags :: commit_track_db();
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}
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static void validate_library(Library *&library)
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{
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Track *track;
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for (unsigned int i = 0; i < tags :: track_size(); i++) {
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track = tags :: get_track(i);
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if (!track || (track->library() != library))
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continue;
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if (g_file_test(track->path().c_str(), G_FILE_TEST_EXISTS) == false) {
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library_q.del(track);
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tags :: remove_track(track);
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}
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}
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}
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/*
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* External API begins here
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*/
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void library :: init()
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{
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Track *track;
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library_q.load();
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for (unsigned int i = 0; i < tags :: track_size(); i++) {
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track = tags :: get_track(i);
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if (track && (track->library()->enabled()))
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library_q.add(track);
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}
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}
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Library *library :: add(const std::string &dir)
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{
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Library *library = NULL;
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if (g_file_test(dir.c_str(), G_FILE_TEST_IS_DIR) == false)
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return library;
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library = tags :: get_library(dir);
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if (library)
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update(library);
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return library;
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}
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void library :: remove(Library *library)
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{
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if (library) {
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set_enabled(library, false);
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tags :: remove_library_tracks(library);
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tags :: remove_library(library);
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}
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}
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void library :: update(Library *library)
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{
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struct scan_info scan = {
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.library = library,
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};
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if (library) {
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scan.path = library->primary_key();
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idle :: schedule(validate_library, library);
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idle :: schedule(scan_path, scan);
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}
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}
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void library :: update_all()
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{
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Library *library;
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for (unsigned int i = 0; i < tags :: library_size(); i++) {
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library = tags :: get_library(i);
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if (library)
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update(library);
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}
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}
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void library :: set_enabled(Library *library, bool enabled)
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{
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Track *track;
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if (!library || (library->enabled() == enabled))
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return;
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library->set_enabled(enabled);
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for (unsigned int i = 0; i < tags :: track_size(); i++) {
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track = tags :: get_track(i);
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if (track && (track->library() == library)) {
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if (enabled)
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library_q.add(track);
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else
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library_q.del(track);
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}
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}
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}
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Queue *library :: get_queue()
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{
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return &library_q;
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}
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