syntaxAlchemist/lib-nested
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ProjectionArg: remove unnecessary arc

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This commit is contained in:
Michael Sippel 2021-05-13 23:46:22 +02:00
parent c6717e0e75
commit fc85af7493
Signed by: senvas
GPG key ID: F96CF119C34B64A6
1 changed files with 15 additions and 21 deletions
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36
nested/src/projection.rs
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@ -52,9 +52,8 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
port: OuterViewPort<dyn SingletonView<Item = Item>>,
notify: impl Fn(&mut P, &()) + Send + Sync + 'static
) -> Arc<RwLock<Option<Arc<dyn SingletonView<Item = Item>>>>> {
let (view, obs) = self.new_arg(notify);
port.add_observer(obs);
view
port.add_observer(self.new_arg(notify));
port.get_view_arc()
}
pub fn new_sequence_arg<Item: 'static>(
@ -62,9 +61,8 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
port: OuterViewPort<dyn SequenceView<Item = Item>>,
notify: impl Fn(&mut P, &usize) + Send + Sync + 'static
) -> Arc<RwLock<Option<Arc<dyn SequenceView<Item = Item>>>>> {
let (view, obs) = self.new_arg(notify);
port.add_observer(obs);
view
port.add_observer(self.new_arg(notify));
port.get_view_arc()
}
pub fn new_index_arg<Key: Clone + Send + Sync + 'static, Item: 'static>(
@ -72,9 +70,8 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
port: OuterViewPort<dyn IndexView<Key, Item = Item>>,
notify: impl Fn(&mut P, &Key) + Send + Sync + 'static
) -> Arc<RwLock<Option<Arc<dyn IndexView<Key, Item = Item>>>>> {
let (view, obs) = self.new_arg(notify);
port.add_observer(obs);
view
port.add_observer(self.new_arg(notify));
port.get_view_arc()
}
pub fn new_arg<
@ -82,16 +79,13 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
>(
&mut self,
notify: impl Fn(&mut P, &V::Msg) + Send + Sync + 'static
) -> (
Arc<RwLock<Option<Arc<V>>>>,
Arc<RwLock<ProjectionArg<V, Vec<V::Msg>>>>
) where V::Msg: Send + Sync {
) -> Arc<RwLock<ProjectionArg<V, Vec<V::Msg>>>>
where V::Msg: Send + Sync {
let (tx, mut rx) = channel::<Vec<V::Msg>>();
let view = Arc::new(RwLock::new(None));
let arg = Arc::new(RwLock::new(
ProjectionArg {
src: view.clone(),
src: None,
sender: tx
}));
@ -105,8 +99,8 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
});
self.keepalive.push(arg.clone());
(view, arg)
arg
}
}
@ -117,7 +111,7 @@ where V: View + ?Sized,
D: ChannelData<Item = V::Msg>,
D::IntoIter: Send + Sync
{
src: Arc<RwLock<Option<Arc<V>>>>,
src: Option<Arc<V>>,
sender: ChannelSender<D>
}
@ -128,7 +122,7 @@ where D: ChannelData<Item = ()>,
D::IntoIter: Send + Sync
{
fn reset(&mut self, new_src: Option<Arc<dyn SingletonView<Item = Item>>>) {
*self.src.write().unwrap() = new_src;
self.src = new_src;
self.notify(&());
}
@ -145,7 +139,7 @@ where D: ChannelData<Item = usize>,
{
fn reset(&mut self, new_src: Option<Arc<dyn SequenceView<Item = Item>>>) {
let old_len = self.src.len().unwrap_or(0);
*self.src.write().unwrap() = new_src;
self.src = new_src;
let new_len = self.src.len().unwrap_or(0);
self.notify_each(0 .. max(old_len, new_len));
@ -164,7 +158,7 @@ where D: ChannelData<Item = Key>,
{
fn reset(&mut self, new_src: Option<Arc<dyn IndexView<Key, Item = Item>>>) {
let old_area = self.src.area();
*self.src.write().unwrap() = new_src;
self.src = new_src;
let new_area = self.src.area();
if let Some(area) = old_area { self.notify_each(area); }