348 lines · 12.3 KB · Rust
RawDownload
use auto_update::{AutoUpdateStatus, AutoUpdater, DismissErrorMessage};use editor::Editor;use extension::ExtensionStore;use futures::StreamExt;use gpui::{    actions, svg, AppContext, CursorStyle, EventEmitter, InteractiveElement as _, Model,    ParentElement as _, Render, SharedString, StatefulInteractiveElement, Styled, View,    ViewContext, VisualContext as _,};use language::{LanguageRegistry, LanguageServerBinaryStatus, LanguageServerName};use project::{LanguageServerProgress, Project};use smallvec::SmallVec;use std::{cmp::Reverse, fmt::Write, sync::Arc};use ui::prelude::*;use workspace::{item::ItemHandle, StatusItemView, Workspace}; actions!(activity_indicator, [ShowErrorMessage]); const DOWNLOAD_ICON: &str = "icons/download.svg";const WARNING_ICON: &str = "icons/warning.svg"; pub enum Event {    ShowError { lsp_name: Arc<str>, error: String },} pub struct ActivityIndicator {    statuses: Vec<LspStatus>,    project: Model<Project>,    auto_updater: Option<Model<AutoUpdater>>,} struct LspStatus {    name: LanguageServerName,    status: LanguageServerBinaryStatus,} struct PendingWork<'a> {    language_server_name: &'a str,    progress_token: &'a str,    progress: &'a LanguageServerProgress,} #[derive(Default)]struct Content {    icon: Option<&'static str>,    message: String,    on_click: Option<Arc<dyn Fn(&mut ActivityIndicator, &mut ViewContext<ActivityIndicator>)>>,} impl ActivityIndicator {    pub fn new(        workspace: &mut Workspace,        languages: Arc<LanguageRegistry>,        cx: &mut ViewContext<Workspace>,    ) -> View<ActivityIndicator> {        let project = workspace.project().clone();        let auto_updater = AutoUpdater::get(cx);        let this = cx.new_view(|cx: &mut ViewContext<Self>| {            let mut status_events = languages.language_server_binary_statuses();            cx.spawn(|this, mut cx| async move {                while let Some((name, status)) = status_events.next().await {                    this.update(&mut cx, |this, cx| {                        this.statuses.retain(|s| s.name != name);                        this.statuses.push(LspStatus { name, status });                        cx.notify();                    })?;                }                anyhow::Ok(())            })            .detach();            cx.observe(&project, |_, _, cx| cx.notify()).detach();             if let Some(auto_updater) = auto_updater.as_ref() {                cx.observe(auto_updater, |_, _, cx| cx.notify()).detach();            }             Self {                statuses: Default::default(),                project: project.clone(),                auto_updater,            }        });         cx.subscribe(&this, move |_, _, event, cx| match event {            Event::ShowError { lsp_name, error } => {                let create_buffer = project.update(cx, |project, cx| project.create_buffer(cx));                let project = project.clone();                let error = error.clone();                let lsp_name = lsp_name.clone();                cx.spawn(|workspace, mut cx| async move {                    let buffer = create_buffer.await?;                    buffer.update(&mut cx, |buffer, cx| {                        buffer.edit(                            [(                                0..0,                                format!("Language server error: {}\n\n{}", lsp_name, error),                            )],                            None,                            cx,                        );                    })?;                    workspace.update(&mut cx, |workspace, cx| {                        workspace.add_item_to_active_pane(                            Box::new(cx.new_view(|cx| {                                Editor::for_buffer(buffer, Some(project.clone()), cx)                            })),                            None,                            cx,                        );                    })?;                     anyhow::Ok(())                })                .detach();            }        })        .detach();        this    }     fn show_error_message(&mut self, _: &ShowErrorMessage, cx: &mut ViewContext<Self>) {        self.statuses.retain(|status| {            if let LanguageServerBinaryStatus::Failed { error } = &status.status {                cx.emit(Event::ShowError {                    lsp_name: status.name.0.clone(),                    error: error.clone(),                });                false            } else {                true            }        });         cx.notify();    }     fn dismiss_error_message(&mut self, _: &DismissErrorMessage, cx: &mut ViewContext<Self>) {        if let Some(updater) = &self.auto_updater {            updater.update(cx, |updater, cx| {                updater.dismiss_error(cx);            });        }        cx.notify();    }     fn pending_language_server_work<'a>(        &self,        cx: &'a AppContext,    ) -> impl Iterator<Item = PendingWork<'a>> {        self.project            .read(cx)            .language_server_statuses()            .rev()            .filter_map(|status| {                if status.pending_work.is_empty() {                    None                } else {                    let mut pending_work = status                        .pending_work                        .iter()                        .map(|(token, progress)| PendingWork {                            language_server_name: status.name.as_str(),                            progress_token: token.as_str(),                            progress,                        })                        .collect::<SmallVec<[_; 4]>>();                    pending_work.sort_by_key(|work| Reverse(work.progress.last_update_at));                    Some(pending_work)                }            })            .flatten()    }     fn content_to_render(&mut self, cx: &mut ViewContext<Self>) -> Content {        // Show any language server has pending activity.        let mut pending_work = self.pending_language_server_work(cx);        if let Some(PendingWork {            language_server_name,            progress_token,            progress,        }) = pending_work.next()        {            let mut message = language_server_name.to_string();             message.push_str(": ");            if let Some(progress_message) = progress.message.as_ref() {                message.push_str(progress_message);            } else {                message.push_str(progress_token);            }             if let Some(percentage) = progress.percentage {                write!(&mut message, " ({}%)", percentage).unwrap();            }             let additional_work_count = pending_work.count();            if additional_work_count > 0 {                write!(&mut message, " + {} more", additional_work_count).unwrap();            }             return Content {                icon: None,                message,                on_click: None,            };        }         // Show any language server installation info.        let mut downloading = SmallVec::<[_; 3]>::new();        let mut checking_for_update = SmallVec::<[_; 3]>::new();        let mut failed = SmallVec::<[_; 3]>::new();        for status in &self.statuses {            match status.status {                LanguageServerBinaryStatus::CheckingForUpdate => {                    checking_for_update.push(status.name.0.as_ref())                }                LanguageServerBinaryStatus::Downloading => downloading.push(status.name.0.as_ref()),                LanguageServerBinaryStatus::Failed { .. } => failed.push(status.name.0.as_ref()),                LanguageServerBinaryStatus::None => {}            }        }         if !downloading.is_empty() {            return Content {                icon: Some(DOWNLOAD_ICON),                message: format!("Downloading {}...", downloading.join(", "),),                on_click: None,            };        }         if !checking_for_update.is_empty() {            return Content {                icon: Some(DOWNLOAD_ICON),                message: format!(                    "Checking for updates to {}...",                    checking_for_update.join(", "),                ),                on_click: None,            };        }         if !failed.is_empty() {            return Content {                icon: Some(WARNING_ICON),                message: format!(                    "Failed to download {}. Click to show error.",                    failed.join(", "),                ),                on_click: Some(Arc::new(|this, cx| {                    this.show_error_message(&Default::default(), cx)                })),            };        }         // Show any formatting failure        if let Some(failure) = self.project.read(cx).last_formatting_failure() {            return Content {                icon: Some(WARNING_ICON),                message: format!("Formatting failed: {}. Click to see logs.", failure),                on_click: Some(Arc::new(|_, cx| {                    cx.dispatch_action(Box::new(workspace::OpenLog));                })),            };        }         // Show any application auto-update info.        if let Some(updater) = &self.auto_updater {            return match &updater.read(cx).status() {                AutoUpdateStatus::Checking => Content {                    icon: Some(DOWNLOAD_ICON),                    message: "Checking for Zed updates…".to_string(),                    on_click: None,                },                AutoUpdateStatus::Downloading => Content {                    icon: Some(DOWNLOAD_ICON),                    message: "Downloading Zed update…".to_string(),                    on_click: None,                },                AutoUpdateStatus::Installing => Content {                    icon: Some(DOWNLOAD_ICON),                    message: "Installing Zed update…".to_string(),                    on_click: None,                },                AutoUpdateStatus::Updated { binary_path } => Content {                    icon: None,                    message: "Click to restart and update Zed".to_string(),                    on_click: Some(Arc::new({                        let restart = workspace::Restart {                            binary_path: Some(binary_path.clone()),                        };                        move |_, cx| workspace::restart(&restart, cx)                    })),                },                AutoUpdateStatus::Errored => Content {                    icon: Some(WARNING_ICON),                    message: "Auto update failed".to_string(),                    on_click: Some(Arc::new(|this, cx| {                        this.dismiss_error_message(&Default::default(), cx)                    })),                },                AutoUpdateStatus::Idle => Default::default(),            };        }         if let Some(extension_store) =            ExtensionStore::try_global(cx).map(|extension_store| extension_store.read(cx))        {            if let Some(extension_id) = extension_store.outstanding_operations().keys().next() {                return Content {                    icon: Some(DOWNLOAD_ICON),                    message: format!("Updating {extension_id} extension…"),                    on_click: None,                };            }        }         Default::default()    }} impl EventEmitter<Event> for ActivityIndicator {} impl Render for ActivityIndicator {    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {        let content = self.content_to_render(cx);         let mut result = h_flex()            .id("activity-indicator")            .on_action(cx.listener(Self::show_error_message))            .on_action(cx.listener(Self::dismiss_error_message));         if let Some(on_click) = content.on_click {            result = result                .cursor(CursorStyle::PointingHand)                .on_click(cx.listener(move |this, _, cx| {                    on_click(this, cx);                }))        }         result            .children(content.icon.map(|icon| svg().path(icon)))            .child(Label::new(SharedString::from(content.message)).size(LabelSize::Small))    }} impl StatusItemView for ActivityIndicator {    fn set_active_pane_item(&mut self, _: Option<&dyn ItemHandle>, _: &mut ViewContext<Self>) {}}