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decoder: Cancel file loading on decoder drop

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That will probably at least work for scrolling quickly
through images. It will however usually not cancel an ongoing
decoding process.

Issue #155

Part-of: <https://gitlab.gnome.org/Incubator/loupe/-/merge_requests/210>
This commit is contained in:
Sophie Herold 2023-04-27 22:05:44 +02:00 • committed by Marge Bot
parent 6d7623b15a
commit 7c227f75a8
6 changed files with 56 additions and 48 deletions
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6
src/util/mod.rs
View file

@ -182,13 +182,13 @@ pub trait BufReadSeek: std::io::BufRead + std::io::Seek {}
impl BufReadSeek for std::io::BufReader<gio::InputStreamRead<gio::FileInputStream>> {}
pub trait ToBufRead {
fn to_buf_read(&self) -> anyhow::Result<Box<dyn BufReadSeek>>;
fn to_buf_read(&self, cancellable: &gio::Cancellable) -> anyhow::Result<Box<dyn BufReadSeek>>;
}
impl ToBufRead for gio::File {
fn to_buf_read(&self) -> anyhow::Result<Box<dyn BufReadSeek>> {
fn to_buf_read(&self, cancellable: &gio::Cancellable) -> anyhow::Result<Box<dyn BufReadSeek>> {
let read = self
.read(gio::Cancellable::NONE)
.read(Some(cancellable))
.context(gettext("Failed to open image"))?
.into_read();