use crate::feedback_editor::{FeedbackEditor, SubmitFeedback};use anyhow::Result;use gpui::{    elements::{Label, MouseEventHandler},    platform::{CursorStyle, MouseButton},    AnyElement, AppContext, Element, Entity, Task, View, ViewContext, ViewHandle,};use workspace::{item::ItemHandle, ToolbarItemLocation, ToolbarItemView}; pub fn init(cx: &mut AppContext) {    cx.add_async_action(SubmitFeedbackButton::submit);} pub struct SubmitFeedbackButton {    pub(crate) active_item: Option<ViewHandle<FeedbackEditor>>,} impl SubmitFeedbackButton {    pub fn new() -> Self {        Self {            active_item: Default::default(),        }    }     pub fn submit(        &mut self,        _: &SubmitFeedback,        cx: &mut ViewContext<Self>,    ) -> Option<Task<Result<()>>> {        if let Some(active_item) = self.active_item.as_ref() {            Some(active_item.update(cx, |feedback_editor, cx| feedback_editor.submit(cx)))        } else {            None        }    }} impl Entity for SubmitFeedbackButton {    type Event = ();} impl View for SubmitFeedbackButton {    fn ui_name() -> &'static str {        "SubmitFeedbackButton"    }     fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {        let theme = theme::current(cx).clone();        let allow_submission = self            .active_item            .as_ref()            .map_or(true, |i| i.read(cx).allow_submission);         enum SubmitFeedbackButton {}        MouseEventHandler::new::<SubmitFeedbackButton, _>(0, cx, |state, _| {            let text;            let style = if allow_submission {                text = "Submit as Markdown";                theme.feedback.submit_button.style_for(state)            } else {                text = "Submitting...";                theme                    .feedback                    .submit_button                    .disabled                    .as_ref()                    .unwrap_or(&theme.feedback.submit_button.default)            };             Label::new(text, style.text.clone())                .contained()                .with_style(style.container)        })        .with_cursor_style(CursorStyle::PointingHand)        .on_click(MouseButton::Left, |_, this, cx| {            this.submit(&Default::default(), cx);        })        .aligned()        .contained()        .with_margin_left(theme.feedback.button_margin)        .with_tooltip::<Self>(            0,            "cmd-s",            Some(Box::new(SubmitFeedback)),            theme.tooltip.clone(),            cx,        )        .into_any()    }} impl ToolbarItemView for SubmitFeedbackButton {    fn set_active_pane_item(        &mut self,        active_pane_item: Option<&dyn ItemHandle>,        cx: &mut ViewContext<Self>,    ) -> workspace::ToolbarItemLocation {        cx.notify();        if let Some(feedback_editor) = active_pane_item.and_then(|i| i.downcast::<FeedbackEditor>())        {            self.active_item = Some(feedback_editor);            ToolbarItemLocation::PrimaryRight { flex: None }        } else {            self.active_item = None;            ToolbarItemLocation::Hidden        }    }}