guise-ui 1.5.3

A component library for gpui, Zed's GPU-accelerated UI framework: a themed palette, sizing tokens, 130+ composable components, a reactive state layer, and an in-app Safari-style inspector.
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//! `Notification` — an elevated toast card with an accent bar.

use gpui::prelude::*;
use gpui::{div, px, App, ClickEvent, FontWeight, IntoElement, SharedString, Window};

use crate::devtools::Probed;
use crate::icon::Glyph;
use crate::input::ClickHandler;
use crate::theme::{theme, ColorName, Size};

/// A toast-style notification card. Positioning and
/// stacking are the host's responsibility; this is the visual card.
#[derive(IntoElement)]
pub struct Notification {
  title: Option<SharedString>,
  message: SharedString,
  color: ColorName,
  icon: Option<Glyph>,
  on_close: Option<ClickHandler>,
}

impl Notification {
  pub fn new(message: impl Into<SharedString>) -> Self {
    Notification {
      title: None,
      message: message.into(),
      color: ColorName::Blue,
      icon: None,
      on_close: None,
    }
  }

  pub fn title(mut self, title: impl Into<SharedString>) -> Self {
    self.title = Some(title.into());
    self
  }

  pub fn color(mut self, color: ColorName) -> Self {
    self.color = color;
    self
  }

  pub fn icon(mut self, icon: impl Into<Glyph>) -> Self {
    self.icon = Some(icon.into());
    self
  }

  pub fn on_close(
    mut self,
    handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static,
  ) -> Self {
    self.on_close = Some(Box::new(handler));
    self
  }
}

impl RenderOnce for Notification {
  fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
    let t = theme(cx);
    let accent = t.color(self.color, t.primary_shade()).hsla();
    let surface = t.surface().hsla();
    let text = t.text().hsla();
    let dimmed = t.dimmed().hsla();
    let radius = t.radius(Size::Md);

    let mut content = div().flex().flex_col().gap(px(2.0)).flex_1();
    if let Some(title) = self.title {
      content = content.child(
        div()
          .font_weight(FontWeight::BOLD)
          .text_size(px(t.font_size(Size::Sm)))
          .text_color(text)
          .child(title),
      );
    }
    content = content.child(
      div()
        .text_size(px(t.font_size(Size::Sm)))
        .text_color(dimmed)
        .child(self.message),
    );

    let mut row = div()
      .flex()
      .items_start()
      .gap(px(12.0))
      .w(px(360.0))
      .p(px(t.spacing(Size::Md)))
      .rounded(px(radius))
      .bg(surface)
      .border_1()
      .border_color(t.border().hsla())
      .shadow_md()
      // Leading accent bar.
      .child(div().w(px(4.0)).h(px(38.0)).rounded(px(4.0)).bg(accent));

    if let Some(icon) = self.icon {
      row = row.child(
        div()
          .text_size(px(t.font_size(Size::Md)))
          .text_color(accent)
          .child(icon),
      );
    }
    row = row.child(content);
    if let Some(handler) = self.on_close {
      row = row.child(
        div()
          .id("guise-notification-close")
          .text_color(dimmed)
          .child(SharedString::new_static("\u{00d7}"))
          .on_click(handler),
      );
    }
    row.probe("Notification")
  }
}