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Add a gpui method for listing the available actions

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This commit is contained in:
Max Brunsfeld 2022-04-13 11:32:39 -07:00
parent 2a72c618b8
commit 99f8466cb5
1 changed files with 40 additions and 4 deletions
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44
crates/gpui/src/app.rs
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@ -726,7 +726,7 @@ pub struct MutableAppContext {
foreground_platform: Rc<dyn platform::ForegroundPlatform>,
assets: Arc<AssetCache>,
cx: AppContext,
action_deserializers: HashMap<&'static str, DeserializeActionCallback>,
action_deserializers: HashMap<&'static str, (TypeId, DeserializeActionCallback)>,
capture_actions: HashMap<TypeId, HashMap<TypeId, Vec<Box<ActionCallback>>>>,
actions: HashMap<TypeId, HashMap<TypeId, Vec<Box<ActionCallback>>>>,
global_actions: HashMap<TypeId, Box<GlobalActionCallback>>,
@ -877,7 +877,8 @@ impl MutableAppContext {
let callback = self
.action_deserializers
.get(name)
.ok_or_else(|| anyhow!("unknown action {}", name))?;
.ok_or_else(|| anyhow!("unknown action {}", name))?
.1;
callback(argument.unwrap_or("{}"))
.with_context(|| format!("invalid data for action {}", name))
}
@ -926,7 +927,7 @@ impl MutableAppContext {
self.action_deserializers
.entry(A::qualified_name())
.or_insert(A::from_json_str);
.or_insert((TypeId::of::<A>(), A::from_json_str));
let actions = if capture {
&mut self.capture_actions
@ -965,7 +966,7 @@ impl MutableAppContext {
self.action_deserializers
.entry(A::qualified_name())
.or_insert(A::from_json_str);
.or_insert((TypeId::of::<A>(), A::from_json_str));
if self
.global_actions
@ -1304,6 +1305,41 @@ impl MutableAppContext {
}
}
pub fn available_actions(
&self,
window_id: usize,
view_id: usize,
) -> Vec<(&'static str, Box<dyn Action>)> {
let mut action_types: HashSet<_> = self.global_actions.keys().copied().collect();
let presenter = self
.presenters_and_platform_windows
.get(&window_id)
.unwrap()
.0
.clone();
let dispatch_path = presenter.borrow().dispatch_path_from(view_id);
for view_id in dispatch_path {
if let Some(view) = self.views.get(&(window_id, view_id)) {
let view_type = view.as_any().type_id();
if let Some(actions) = self.actions.get(&view_type) {
action_types.extend(actions.keys().copied());
}
}
}
self.action_deserializers
.iter()
.filter_map(|(name, (type_id, deserialize))| {
if action_types.contains(type_id) {
Some((*name, deserialize("{}").ok()?))
} else {
None
}
})
.collect()
}
pub fn dispatch_action<A: Action>(
&mut self,
window_id: usize,