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backend: New library update mechanism

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This commit is contained in:
Elias Projahn 2021-04-24 18:38:23 +02:00
parent 274ba719a3
commit 3e2f73fc56
2 changed files with 17 additions and 3 deletions
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9
backend/src/lib.rs
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@ -55,6 +55,12 @@ pub struct Backend {
/// is guaranteed to be Some, when the state is set to BackendState::Ready.
music_library_path: RefCell<Option<PathBuf>>,
/// The receiver to which library update notifications are sent.
library_updated_receiver: RefCell<mpsc::Receiver<()>>,
/// The sender for sending library update notifications.
library_updated_sender: RefCell<mpsc::Sender<()>>,
/// The database. This can be assumed to exist, when the state is set to BackendState::Ready.
database: RefCell<Option<Rc<DbThread>>>,
@ -71,12 +77,15 @@ impl Backend {
/// and call init() afterwards.
pub fn new() -> Self {
let (state_sender, state_stream) = mpsc::channel(1024);
let (library_updated_sender, library_updated_receiver) = mpsc::channel(1024);
Backend {
state_stream: RefCell::new(state_stream),
state_sender: RefCell::new(state_sender),
settings: gio::Settings::new("de.johrpan.musicus"),
music_library_path: RefCell::new(None),
library_updated_sender: RefCell::new(library_updated_sender),
library_updated_receiver: RefCell::new(library_updated_receiver),
database: RefCell::new(None),
player: RefCell::new(None),
client: Client::new(),