394 lines
12 KiB
Rust
394 lines
12 KiB
Rust
use crate::{
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animation::cubic_bezier,
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button::{Button, ButtonVariants as _},
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h_flex,
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theme::{
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colors::{blue, green, red, yellow},
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scale::ColorScaleStep,
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ActiveTheme as _,
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},
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v_flex, Icon, IconName, Sizable as _, StyledExt,
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};
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use gpui::{
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div, prelude::FluentBuilder, px, Animation, AnimationExt, App, AppContext, ClickEvent, Context,
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DismissEvent, ElementId, Entity, EventEmitter, InteractiveElement as _, IntoElement,
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ParentElement as _, Render, SharedString, StatefulInteractiveElement, Styled, Subscription,
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Window,
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};
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use smol::Timer;
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use std::{
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any::TypeId,
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collections::{HashMap, VecDeque},
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sync::Arc,
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time::Duration,
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};
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pub enum NotificationType {
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Info,
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Success,
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Warning,
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Error,
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}
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#[derive(Debug, PartialEq, Clone, Hash, Eq)]
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pub(crate) enum NotificationId {
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Id(TypeId),
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IdAndElementId(TypeId, ElementId),
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}
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impl From<TypeId> for NotificationId {
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fn from(type_id: TypeId) -> Self {
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Self::Id(type_id)
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}
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}
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impl From<(TypeId, ElementId)> for NotificationId {
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fn from((type_id, id): (TypeId, ElementId)) -> Self {
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Self::IdAndElementId(type_id, id)
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}
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}
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type OnClick = Option<Arc<dyn Fn(&ClickEvent, &mut Window, &mut App)>>;
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/// A notification element.
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pub struct Notification {
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/// The id is used make the notification unique.
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/// Then you push a notification with the same id, the previous notification will be replaced.
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///
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/// None means the notification will be added to the end of the list.
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id: NotificationId,
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type_: NotificationType,
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title: Option<SharedString>,
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message: SharedString,
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icon: Option<Icon>,
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autohide: bool,
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on_click: OnClick,
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closing: bool,
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}
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impl From<String> for Notification {
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fn from(s: String) -> Self {
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Self::new(s)
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}
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}
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impl From<SharedString> for Notification {
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fn from(s: SharedString) -> Self {
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Self::new(s)
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}
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}
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impl From<&'static str> for Notification {
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fn from(s: &'static str) -> Self {
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Self::new(s)
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}
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}
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impl From<(NotificationType, &'static str)> for Notification {
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fn from((type_, content): (NotificationType, &'static str)) -> Self {
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Self::new(content).with_type(type_)
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}
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}
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impl From<(NotificationType, SharedString)> for Notification {
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fn from((type_, content): (NotificationType, SharedString)) -> Self {
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Self::new(content).with_type(type_)
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}
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}
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struct DefaultIdType;
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impl Notification {
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/// Create a new notification with the given content.
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///
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/// default width is 320px.
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pub fn new(message: impl Into<SharedString>) -> Self {
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let id: SharedString = uuid::Uuid::new_v4().to_string().into();
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let id = (TypeId::of::<DefaultIdType>(), id.into());
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Self {
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id: id.into(),
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title: None,
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message: message.into(),
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type_: NotificationType::Info,
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icon: None,
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autohide: true,
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on_click: None,
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closing: false,
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}
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}
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pub fn info(message: impl Into<SharedString>) -> Self {
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Self::new(message).with_type(NotificationType::Info)
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}
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pub fn success(message: impl Into<SharedString>) -> Self {
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Self::new(message).with_type(NotificationType::Success)
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}
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pub fn warning(message: impl Into<SharedString>) -> Self {
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Self::new(message).with_type(NotificationType::Warning)
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}
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pub fn error(message: impl Into<SharedString>) -> Self {
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Self::new(message).with_type(NotificationType::Error)
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}
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/// Set the type for unique identification of the notification.
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///
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/// ```rs
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/// struct MyNotificationKind;
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/// let notification = Notification::new("Hello").id::<MyNotificationKind>();
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/// ```
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pub fn id<T: Sized + 'static>(mut self) -> Self {
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self.id = TypeId::of::<T>().into();
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self
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}
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/// Set the type and id of the notification, used to uniquely identify the notification.
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pub fn id1<T: Sized + 'static>(mut self, key: impl Into<ElementId>) -> Self {
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self.id = (TypeId::of::<T>(), key.into()).into();
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self
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}
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/// Set the title of the notification, default is None.
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///
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/// If title is None, the notification will not have a title.
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pub fn title(mut self, title: impl Into<SharedString>) -> Self {
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self.title = Some(title.into());
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self
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}
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/// Set the icon of the notification.
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///
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/// If icon is None, the notification will use the default icon of the type.
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pub fn icon(mut self, icon: impl Into<Icon>) -> Self {
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self.icon = Some(icon.into());
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self
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}
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/// Set the type of the notification, default is NotificationType::Info.
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pub fn with_type(mut self, type_: NotificationType) -> Self {
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self.type_ = type_;
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self
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}
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/// Set the auto hide of the notification, default is true.
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pub fn autohide(mut self, autohide: bool) -> Self {
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self.autohide = autohide;
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self
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}
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/// Set the click callback of the notification.
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pub fn on_click(
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mut self,
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on_click: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static,
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) -> Self {
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self.on_click = Some(Arc::new(on_click));
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self
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}
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fn dismiss(&mut self, _: &ClickEvent, _window: &mut Window, cx: &mut Context<Self>) {
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self.closing = true;
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cx.notify();
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// Dismiss the notification after 0.15s to show the animation.
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cx.spawn(|view, cx| async move {
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Timer::after(Duration::from_secs_f32(0.15)).await;
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cx.update(|cx| {
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if let Some(view) = view.upgrade() {
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view.update(cx, |view, cx| {
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view.closing = false;
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cx.emit(DismissEvent);
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});
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}
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})
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})
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.detach()
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}
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}
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impl EventEmitter<DismissEvent> for Notification {}
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impl FluentBuilder for Notification {}
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impl Render for Notification {
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fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
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let closing = self.closing;
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let icon = match self.icon.clone() {
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Some(icon) => icon,
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None => match self.type_ {
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NotificationType::Info => {
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Icon::new(IconName::Info).text_color(blue().step(cx, ColorScaleStep::NINE))
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}
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NotificationType::Error => {
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Icon::new(IconName::CircleX).text_color(red().step(cx, ColorScaleStep::NINE))
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}
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NotificationType::Success => Icon::new(IconName::CircleCheck)
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.text_color(green().step(cx, ColorScaleStep::NINE)),
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NotificationType::Warning => Icon::new(IconName::TriangleAlert)
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.text_color(yellow().step(cx, ColorScaleStep::NINE)),
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},
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};
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div()
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.id("notification")
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.group("")
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.occlude()
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.relative()
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.w_72()
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.border_1()
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.border_color(cx.theme().base.step(cx, ColorScaleStep::FIVE))
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.bg(cx.theme().background)
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.rounded(px(cx.theme().radius))
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.shadow_md()
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.p_2()
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.gap_3()
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.child(div().absolute().top_2p5().left_2().child(icon))
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.child(
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v_flex()
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.pl_6()
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.gap_1()
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.when_some(self.title.clone(), |this, title| {
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this.child(div().text_xs().font_semibold().child(title))
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})
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.overflow_hidden()
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.child(div().text_xs().child(self.message.clone())),
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)
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.when_some(self.on_click.clone(), |this, on_click| {
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this.cursor_pointer()
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.on_click(cx.listener(move |view, event, window, cx| {
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view.dismiss(event, window, cx);
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on_click(event, window, cx);
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}))
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})
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.when(!self.autohide, |this| {
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this.child(
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h_flex()
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.absolute()
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.top_1()
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.right_1()
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.invisible()
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.group_hover("", |this| this.visible())
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.child(
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Button::new("close")
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.icon(IconName::Close)
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.ghost()
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.xsmall()
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.on_click(cx.listener(Self::dismiss)),
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),
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)
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})
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.with_animation(
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ElementId::NamedInteger("slide-down".into(), closing as usize),
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Animation::new(Duration::from_secs_f64(0.15))
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.with_easing(cubic_bezier(0.4, 0., 0.2, 1.)),
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move |this, delta| {
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if closing {
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let x_offset = px(0.) + delta * px(45.);
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this.left(px(0.) + x_offset).opacity(1. - delta)
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} else {
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let y_offset = px(-45.) + delta * px(45.);
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this.top(px(0.) + y_offset).opacity(delta)
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}
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},
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)
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}
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}
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/// A list of notifications.
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pub struct NotificationList {
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/// Notifications that will be auto hidden.
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pub(crate) notifications: VecDeque<Entity<Notification>>,
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expanded: bool,
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subscriptions: HashMap<NotificationId, Subscription>,
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}
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impl NotificationList {
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pub fn new(_window: &mut Window, _cx: &mut Context<Self>) -> Self {
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Self {
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notifications: VecDeque::new(),
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expanded: false,
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subscriptions: HashMap::new(),
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}
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}
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pub fn push(
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&mut self,
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notification: impl Into<Notification>,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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let notification = notification.into();
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let id = notification.id.clone();
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let autohide = notification.autohide;
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// Remove the notification by id, for keep unique.
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self.notifications.retain(|note| note.read(cx).id != id);
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let notification = cx.new(|_| notification);
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self.subscriptions.insert(
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id.clone(),
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cx.subscribe(¬ification, move |view, _, _: &DismissEvent, cx| {
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view.notifications.retain(|note| id != note.read(cx).id);
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view.subscriptions.remove(&id);
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}),
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);
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self.notifications.push_back(notification.clone());
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if autohide {
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// Sleep for 3 seconds to autohide the notification
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cx.spawn_in(window, |_, mut cx| async move {
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Timer::after(Duration::from_secs(3)).await;
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_ = notification.update_in(&mut cx, |note, window, cx| {
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note.dismiss(&ClickEvent::default(), window, cx)
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});
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})
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.detach();
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}
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cx.notify();
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}
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pub fn clear(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
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self.notifications.clear();
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cx.notify();
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}
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pub fn notifications(&self) -> Vec<Entity<Notification>> {
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self.notifications.iter().cloned().collect()
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}
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}
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impl Render for NotificationList {
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fn render(
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&mut self,
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window: &mut gpui::Window,
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cx: &mut gpui::Context<Self>,
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) -> impl IntoElement {
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let size = window.viewport_size();
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let items = self.notifications.iter().rev().take(10).rev().cloned();
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div()
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.absolute()
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.flex()
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.top_4()
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.bottom_4()
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.right_4()
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.justify_end()
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.child(
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v_flex()
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.id("notification-list")
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.gap_3()
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.absolute()
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.relative()
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.right_0()
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.h(size.height - px(8.))
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.children(items)
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.on_hover(cx.listener(|view, hovered, _window, cx| {
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view.expanded = *hovered;
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cx.notify();
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})),
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)
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}
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}
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