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cancel previous async loading operations on page update

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yggverse 2024-11-09 06:53:32 +02:00
parent 35fe1f83e9
commit 675e4f328c
1 changed files with 24 additions and 8 deletions
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32
src/app/browser/window/tab/item/page.rs
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@ -24,15 +24,17 @@ use gtk::{
RegexMatchFlags, Uri, UriFlags, UriHideFlags,
},
prelude::{
ActionExt, IOStreamExt, OutputStreamExt, SocketClientExt, StaticVariantType, ToVariant,
ActionExt, CancellableExt, IOStreamExt, OutputStreamExt, SocketClientExt,
StaticVariantType, ToVariant,
},
Box,
};
use sqlite::Transaction;
use std::{rc::Rc, time::Duration};
use std::{cell::RefCell, rc::Rc, time::Duration};
pub struct Page {
id: GString,
cancellable: RefCell<Cancellable>,
// Actions
browser_action: Rc<BrowserAction>,
action_page_load: SimpleAction,
@ -91,6 +93,7 @@ impl Page {
// Init `Self`
let this = Rc::new(Self {
cancellable: RefCell::new(Cancellable::new()),
id,
// Actions
browser_action,
@ -183,6 +186,18 @@ impl Page {
// Reset widgets
self.input.unset();
// Cancel previous async loading operations
{
let cancellable = self.cancellable.borrow();
if !cancellable.is_cancelled() {
cancellable.cancel();
}
}
// Create new cancellable pointer
self.cancellable.replace(Cancellable::new());
// Create shared variant value
let id = self.id.to_variant();
@ -429,6 +444,7 @@ impl Page {
// use gemini::client::response::
// Init shared objects (async)
let cancellable = self.cancellable.borrow().clone();
let update = self.browser_action.update().clone();
let action_page_load = self.action_page_load.clone();
let action_page_open = self.action_page_open.clone();
@ -471,21 +487,21 @@ impl Page {
client.clone().connect_to_uri_async(
url.clone().as_str(),
1965,
None::<&Cancellable>,
Some(&cancellable.clone()),
move |connect| match connect {
Ok(connection) => {
// Send request
connection.output_stream().write_bytes_async(
&Bytes::from(gformat!("{url}\r\n").as_bytes()),
Priority::DEFAULT,
None::<&Cancellable>,
Some(&cancellable.clone()),
move |request| match request {
Ok(_) => {
// Read meta from input stream
gemini::client::response::Meta::from_socket_connection_async(
connection.clone(),
Some(Priority::DEFAULT),
None::<Cancellable>,
Some(cancellable.clone()),
move |result| match result
{
Ok(response) => {
@ -535,7 +551,7 @@ impl Page {
gemini::client::response::data::Text::from_socket_connection_async(
connection,
Some(Priority::DEFAULT),
None::<Cancellable>,
Some(cancellable.clone()),
move |result|{
match result {
Ok(buffer) => {
@ -602,7 +618,7 @@ impl Page {
// this action allows to count the bytes for loading widget and validate max size for incoming data
gemini::gio::memory_input_stream::from_socket_connection_async(
connection,
None::<Cancellable>,
Some(cancellable.clone()),
Priority::DEFAULT,
0x400, // 1024 bytes per chunk, optional step for images download tracking
0xA00000, // 10M bytes max to prevent memory overflow if server play with promises
@ -616,7 +632,7 @@ impl Page {
Ok(memory_input_stream) => {
Pixbuf::from_stream_async(
&memory_input_stream,
None::<&Cancellable>,
Some(&cancellable),
move |result| {
match result {
Ok(buffer) => {