1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

use dioxus::prelude::*;
use freya_elements::elements as dioxus_elements;
use freya_hooks::{
    use_animation, use_applied_theme, AnimNum, Ease, Function, SnackBarTheme, SnackBarThemeWith,
};

/// `SnackBar` component. Use in combination with other components.
///
/// # Styling
/// Inherits the [`SnackBarTheme`](freya_hooks::SnackBarTheme) theme.
///
/// # Example
///
/// ```no_run
/// # use freya::prelude::*;
/// fn app() -> Element {
///     let mut show = use_signal(|| false);
///
///     rsx!(
///         rect {
///             height: "100%",
///             width: "100%",
///             Button {
///                 onclick: move |_| show.toggle(),
///                 label { "Open" }
///             }
///             SnackBar {
///                 show,
///                 label {
///                     "Hello, World!"
///                 }
///             }
///         }
///     )
/// }
/// ```
#[allow(non_snake_case)]
#[component]
pub fn SnackBar(
    /// Inner children of the SnackBar.
    children: Element,
    /// Signal to show the snackbar or not.
    show: Signal<bool>,
    /// Theme override.
    theme: Option<SnackBarThemeWith>,
) -> Element {
    let animation = use_animation(|ctx| {
        ctx.with(
            AnimNum::new(50., 0.)
                .time(200)
                .ease(Ease::Out)
                .function(Function::Expo),
        )
    });

    use_effect(move || {
        if *show.read() {
            animation.start();
        } else if animation.peek_has_run_yet() {
            animation.reverse();
        }
    });

    let offset_y = animation.get().read().as_f32();

    rsx!(
        rect {
            width: "100%",
            height: "40",
            position: "absolute",
            position_bottom: "0",
            offset_y: "{offset_y}",
            overflow: "clip",
            SnackBarBox {
                theme,
                {children}
            }
        }
    )
}

#[allow(non_snake_case)]
#[component]
pub fn SnackBarBox(children: Element, theme: Option<SnackBarThemeWith>) -> Element {
    let SnackBarTheme { background, color } = use_applied_theme!(&theme, snackbar);

    rsx!(
        rect {
            width: "fill",
            height: "40",
            background: "{background}",
            overflow: "clip",
            padding: "10",
            color: "{color}",
            direction: "horizontal",
            {children}
        }
    )
}

#[cfg(test)]
mod test {
    use std::time::Duration;

    use dioxus::prelude::use_signal;
    use freya::prelude::*;
    use freya_testing::*;
    use tokio::time::sleep;

    #[tokio::test]
    pub async fn snackbar() {
        fn snackbar_app() -> Element {
            let mut show = use_signal(|| false);

            rsx!(
                rect {
                    height: "100%",
                    width: "100%",
                    Button {
                        onclick: move |_|  show.toggle(),
                        label { "Open" }
                    }
                    SnackBar {
                        show,
                        label {
                            "Hello, World!"
                        }
                    }
                }
            )
        }

        let mut utils = launch_test(snackbar_app);
        let root = utils.root();
        let snackbar_box = root.get(0).get(1).get(0);
        utils.wait_for_update().await;

        // Snackbar is closed.
        assert!(!snackbar_box.is_visible());

        // Open the snackbar by clicking at the button
        utils.push_event(PlatformEvent::Mouse {
            name: EventName::Click,
            cursor: (5.0, 5.0).into(),
            button: Some(MouseButton::Left),
        });

        // Wait a bit for the snackbar to show up
        utils.wait_for_update().await;
        utils.wait_for_update().await;
        sleep(Duration::from_millis(15)).await;
        utils.wait_for_update().await;

        // Snackbar is visible.
        assert!(snackbar_box.is_visible());
    }
}