From 583046dcbf307792ae051263e4029c5d4086434f Mon Sep 17 00:00:00 2001
From: Sam Tay <samctay@pm.me>
Date: Sat, 20 Aug 2022 23:36:20 -0700
Subject: Auto close success/error message

---
 src/tui/app.rs   | 14 +++++++-------
 src/tui/views.rs | 28 +++++++++++++++++++++-------
 2 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/src/tui/app.rs b/src/tui/app.rs
index 0aa7840..6658f16 100644
--- a/src/tui/app.rs
+++ b/src/tui/app.rs
@@ -1,3 +1,8 @@
+use std::collections::HashMap;
+use std::io;
+use std::io::Write;
+use std::sync::Arc;
+
 use cursive::event::{Event, Key};
 use cursive::theme::{BaseColor, Color, Effect, Style};
 use cursive::traits::{Nameable, Scrollable};
@@ -6,23 +11,18 @@ use cursive::utils::span::SpannedString;
 use cursive::views::{Dialog, TextView, ViewRef};
 use cursive::Cursive;
 use cursive::XY;
-use std::collections::HashMap;
-use std::io;
-use std::io::Write;
-use std::sync::Arc;
 
 use super::markdown;
 use super::markdown::Markdown;
 use super::views::{
     LayoutView, ListView, MdView, Name, TempView, Vimable, NAME_ANSWER_LIST, NAME_ANSWER_VIEW,
-    NAME_FULL_LAYOUT, NAME_QUESTION_LIST, NAME_QUESTION_VIEW,
+    NAME_FULL_LAYOUT, NAME_QUESTION_LIST, NAME_QUESTION_VIEW, NAME_TEMP_MSG,
 };
 use crate::config::Config;
 use crate::error::Result;
 use crate::stackexchange::{Answer, Question};
 
 pub const NAME_HELP_VIEW: &str = "help_view";
-pub const NAME_TEMP_MSG: &str = "tmp_msg_view";
 
 // TODO an Arc<Mutex> app state that gets auto updated with new selections would
 // be convenient
@@ -225,7 +225,7 @@ pub fn temp_feedback_msg(siv: &mut Cursive, msg: io::Result<String>) {
     let content = msg.unwrap_or_else(|e| format!("error: {}", e));
     let styled_content = SpannedString::styled(content, style);
     let layer = Dialog::around(TextView::new(styled_content));
-    let temp = TempView::new(layer).with_name(NAME_TEMP_MSG);
+    let temp = TempView::new(layer, siv.cb_sink().clone());
     siv.add_layer(temp);
 }
 
diff --git a/src/tui/views.rs b/src/tui/views.rs
index af015ef..0e7971d 100644
--- a/src/tui/views.rs
+++ b/src/tui/views.rs
@@ -1,3 +1,8 @@
+use std::fmt::Display;
+use std::rc::Rc;
+use std::time::Duration;
+use std::{fmt, thread};
+
 use cursive::event::{Callback, Event, EventResult, Key};
 use cursive::traits::{Finder, Nameable, Resizable, Scrollable};
 use cursive::utils::markup::StyledString;
@@ -6,10 +11,7 @@ use cursive::views::{
     HideableView, LinearLayout, NamedView, PaddedView, Panel, ResizedView, ScrollView, SelectView,
     TextView,
 };
-use cursive::{Cursive, Vec2, XY};
-use std::fmt;
-use std::fmt::Display;
-use std::rc::Rc;
+use cursive::{CbSink, Cursive, Vec2, XY};
 
 use super::markdown::Markdown;
 
@@ -18,6 +20,7 @@ pub const NAME_ANSWER_LIST: &str = "answer_list";
 pub const NAME_QUESTION_VIEW: &str = "question_view";
 pub const NAME_ANSWER_VIEW: &str = "answer_view";
 pub const NAME_FULL_LAYOUT: &str = "full_layout";
+pub const NAME_TEMP_MSG: &str = "tmp_msg_view";
 
 // TODO this seems pointless; probably should be removed
 pub enum Name {
@@ -647,19 +650,30 @@ pub struct TempView<T: View> {
     view: T,
 }
 
-// TODO figure out how to auto close this in 3-5s
 impl<T: View> ViewWrapper for TempView<T> {
     cursive::wrap_impl!(self.view: T);
 
     fn wrap_on_event(&mut self, _event: Event) -> EventResult {
+        // close this view on any input
         EventResult::with_cb(|s| {
             s.pop_layer();
         })
     }
 }
 
-impl<T: View> TempView<T> {
-    pub fn new(view: T) -> Self {
+impl<V: View> TempView<NamedView<V>> {
+    pub fn new(inner: V, cb_sink: CbSink) -> Self {
+        thread::spawn(move || {
+            thread::sleep(Duration::from_secs(2));
+            cb_sink
+                .send(Box::new(|s| {
+                    if let Some(pos) = s.screen_mut().find_layer_from_name(NAME_TEMP_MSG) {
+                        s.screen_mut().remove_layer(pos);
+                    }
+                }))
+                .expect("failed to send fn to cursive cb sink");
+        });
+        let view = inner.with_name(NAME_TEMP_MSG);
         Self { view }
     }
 }
-- 
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