iced_webview/engines/
view_manager.rs

1use std::collections::HashMap;
2use std::sync::atomic::{AtomicUsize, Ordering};
3
4use super::ViewId;
5
6static NEXT_VIEW_ID: AtomicUsize = AtomicUsize::new(0);
7
8pub struct ViewManager<V> {
9    views: HashMap<ViewId, V>,
10}
11
12impl<V> Default for ViewManager<V> {
13    fn default() -> Self {
14        Self {
15            views: HashMap::new(),
16        }
17    }
18}
19
20impl<V> ViewManager<V> {
21    pub fn get(&self, id: ViewId) -> Option<&V> {
22        self.views.get(&id)
23    }
24
25    pub fn get_mut(&mut self, id: ViewId) -> Option<&mut V> {
26        self.views.get_mut(&id)
27    }
28
29    pub fn insert(&mut self, view: V) -> ViewId {
30        let id = NEXT_VIEW_ID.fetch_add(1, Ordering::Relaxed);
31        self.views.insert(id, view);
32        id
33    }
34
35    pub fn remove(&mut self, id: ViewId) -> Option<V> {
36        self.views.remove(&id)
37    }
38
39    pub fn contains(&self, id: ViewId) -> bool {
40        self.views.contains_key(&id)
41    }
42
43    pub fn keys(&self) -> Vec<ViewId> {
44        self.views.keys().copied().collect()
45    }
46
47    pub fn values(&self) -> impl Iterator<Item = &V> {
48        self.views.values()
49    }
50
51    pub fn values_mut(&mut self) -> impl Iterator<Item = &mut V> {
52        self.views.values_mut()
53    }
54
55    pub fn iter(&self) -> impl Iterator<Item = (ViewId, &V)> {
56        self.views.iter().map(|(&id, v)| (id, v))
57    }
58
59    pub fn iter_mut(&mut self) -> impl Iterator<Item = (ViewId, &mut V)> {
60        self.views.iter_mut().map(|(&id, v)| (id, v))
61    }
62
63    pub fn len(&self) -> usize {
64        self.views.len()
65    }
66
67    pub fn is_empty(&self) -> bool {
68        self.views.is_empty()
69    }
70}
iced_webview/engines/view_manager.rs

iced_webview/engines/
view_manager.rs
