me/iced
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Handle errors in download_progress example

Browse source
This commit is contained in:
Héctor Ramón Jiménez 2020-03-23 20:43:55 +01:00
parent b92e1f9574
commit 0d719bbdf3
2 changed files with 43 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

38
examples/download_progress/src/download.rs
View file

@ -35,15 +35,23 @@ where
let response = reqwest::get(&url).await;
match response {
Ok(response) => Some((
Progress::Started,
State::Downloading {
total: response.content_length().unwrap(),
downloaded: 0,
response,
},
)),
Err(_) => None,
Ok(response) => {
if let Some(total) = response.content_length() {
Some((
Progress::Started,
State::Downloading {
response,
total,
downloaded: 0,
},
))
} else {
Some((Progress::Errored, State::Finished))
}
}
Err(_) => {
Some((Progress::Errored, State::Finished))
}
}
}
State::Downloading {
@ -67,9 +75,16 @@ where
))
}
Ok(None) => Some((Progress::Finished, State::Finished)),
Err(_) => None,
Err(_) => Some((Progress::Errored, State::Finished)),
},
State::Finished => None,
State::Finished => {
// We do not let the stream die, as it would start a
// new download repeatedly if the user is not careful
// in case of errors.
let _: () = iced::futures::future::pending().await;
None
}
}
},
))
@ -81,6 +96,7 @@ pub enum Progress {
Started,
Advanced(f32),
Finished,
Errored,
}
pub enum State {