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playlist: Add an "unplayed tracks" dynamic playlist 

Unplayed tracks is a dynamic playlist generated whenever we are asked to
select the "Unplayed" playlist.  Note that dynamic playlists aren't
hooked up to the other playlist functions (has, add, del, or
get_tracks).  This is to avoid adding them to the index and potentially
writing out to disk.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
This commit is contained in:
Anna Schumaker 2015-02-06 14:31:37 -05:00
parent 93c9877d57
commit 64291ff02c
2 changed files with 25 additions and 5 deletions
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25
core/playlist.cpp
View File

@ -32,6 +32,21 @@ public:
add(tags :: get_track(*it));
}
void dynamic_fill(const std::string &name)
{
Track *track;
if (name != "Unplayed")
return;
clear();
for (unsigned int i = 0; i < tags :: track_size(); i++) {
track = tags :: get_track(i);
if ((track != NULL) && (track->count() == 0))
add(track);
}
}
};
@ -89,13 +104,13 @@ void playlist :: del(Track *track, const std::string &name)
void playlist :: select(const std::string &name)
{
IndexEntry *ent;
IndexEntry *ent = playlist_db.find(name);
ent = playlist_db.find(name);
if (ent == NULL)
return;
if (ent != NULL)
playlist_q.fill(ent);
else
playlist_q.dynamic_fill(name);
playlist_q.fill(ent);
cur_plist = name;
}

5
tests/core/playlist.cpp
View File

@ -45,6 +45,9 @@ static void test_queue()
playlist :: select("Favorites");
test_equal(q->size(), (unsigned)8);
playlist :: select("Unplayed");
test_equal(q->size(), (unsigned)3);
}
static void test_add()
@ -53,6 +56,8 @@ static void test_add()
Queue *q = playlist :: get_queue();
Queue *l = library :: get_queue();
playlist :: select("Favorites");
playlist :: add(tags :: get_track(5), "Banned");
ent = playlist :: get_tracks("Banned");
test_equal(ent->size(), (size_t)5);