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

mod action_items;
mod navigation_icon;
mod title;

pub use action_items::*;
pub use navigation_icon::*;
pub use title::*;

use crate::bool_to_option;
use gloo::events::EventListener;
use wasm_bindgen::prelude::*;
use web_sys::Element;
use yew::prelude::*;

#[wasm_bindgen(module = "/build/mwc-top-app-bar.js")]
extern "C" {
    #[derive(Debug)]
    type TopAppBar;

    #[wasm_bindgen(getter, static_method_of = TopAppBar)]
    fn _dummy_loader() -> JsValue;
}

loader_hack!(TopAppBar);

/// The `mwc-top-app-bar` component
///
/// [MWC Documentation](https://github.com/material-components/material-components-web-components/tree/master/packages/top-app-bar)
pub struct MatTopAppBar {
    props: TopAppBarProps,
    node_ref: NodeRef,
    nav_listener: Option<EventListener>,
}

/// Props for [`MatTopAppBar`]
///
/// MWC Documentation:
///
/// - [Properties](https://github.com/material-components/material-components-web-components/tree/master/packages/top-app-bar#propertiesattributes)
/// - [Events](https://github.com/material-components/material-components-web-components/tree/master/packages/top-app-bar#events)
#[derive(Debug, Properties, Clone)]
pub struct TopAppBarProps {
    pub children: Children,
    #[prop_or_default]
    pub center_title: bool,
    #[prop_or_default]
    pub dense: bool,
    #[prop_or_default]
    pub prominent: bool,
    /// Binds to `MDCTopAppBar:nav`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onnavigationiconclick: Callback<()>,
}

impl Component for MatTopAppBar {
    type Message = ();
    type Properties = TopAppBarProps;

    fn create(props: Self::Properties, _: ComponentLink<Self>) -> Self {
        TopAppBar::ensure_loaded();
        Self {
            props,
            node_ref: NodeRef::default(),
            nav_listener: None,
        }
    }

    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
        false
    }

    fn change(&mut self, props: Self::Properties) -> bool {
        self.props = props;
        true
    }

    fn view(&self) -> Html {
        html! {
            <mwc-top-app-bar
                centerTitle=bool_to_option(self.props.center_title)
                dense=bool_to_option(self.props.dense)
                prominent=bool_to_option(self.props.prominent)
                ref=self.node_ref.clone()
            >
                { self.props.children.clone() }
            </mwc-top-app-bar>
        }
    }

    fn rendered(&mut self, _first_render: bool) {
        if self.nav_listener.is_none() {
            let callback = self.props.onnavigationiconclick.clone();
            let element = self.node_ref.cast::<Element>().unwrap();

            self.nav_listener = Some(EventListener::new(
                &element,
                "MDCTopAppBar:nav",
                move |_| {
                    callback.emit(());
                },
            ));
        }
    }
}