dioxus_router/contexts/
navigator.rs

1use crate::prelude::{ExternalNavigationFailure, NavigationTarget, RouterContext};
2
3/// Acquire the navigator without subscribing to updates.
4///
5/// Can be called anywhere in the application provided a Router has been initialized.
6///
7/// ## Panics
8///
9/// Panics if there is no router present.
10pub fn navigator() -> Navigator {
11    Navigator(
12        dioxus_lib::prelude::try_consume_context::<RouterContext>()
13            .expect("A router must be present to use navigator"),
14    )
15}
16
17/// A view into the navigation state of a router.
18#[derive(Clone, Copy)]
19pub struct Navigator(pub(crate) RouterContext);
20
21impl Navigator {
22    /// Check whether there is a previous page to navigate back to.
23    #[must_use]
24    pub fn can_go_back(&self) -> bool {
25        self.0.can_go_back()
26    }
27
28    /// Check whether there is a future page to navigate forward to.
29    #[must_use]
30    pub fn can_go_forward(&self) -> bool {
31        self.0.can_go_forward()
32    }
33
34    /// Go back to the previous location.
35    ///
36    /// Will fail silently if there is no previous location to go to.
37    pub fn go_back(&self) {
38        self.0.go_back();
39    }
40
41    /// Go back to the next location.
42    ///
43    /// Will fail silently if there is no next location to go to.
44    pub fn go_forward(&self) {
45        self.0.go_forward();
46    }
47
48    /// Push a new location.
49    ///
50    /// The previous location will be available to go back to.
51    pub fn push(&self, target: impl Into<NavigationTarget>) -> Option<ExternalNavigationFailure> {
52        self.0.push(target)
53    }
54
55    /// Replace the current location.
56    ///
57    /// The previous location will **not** be available to go back to.
58    pub fn replace(
59        &self,
60        target: impl Into<NavigationTarget>,
61    ) -> Option<ExternalNavigationFailure> {
62        self.0.replace(target)
63    }
64}