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@ -4,7 +4,12 @@ mod virtual_item;
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use std::{collections::HashMap, sync::Arc}; |
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use futures_util::StreamExt; |
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use gtk::{gio, glib, glib::clone, prelude::*, subclass::prelude::*}; |
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use gtk::{ |
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gio, glib, |
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glib::{clone, closure_local}, |
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prelude::*, |
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subclass::prelude::*, |
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}; |
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use matrix_sdk::Error as MatrixError; |
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use matrix_sdk_ui::{ |
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eyeball_im::VectorDiff, |
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@ -72,6 +77,9 @@ mod imp {
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marker::PhantomData, |
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}; |
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use glib::subclass::Signal; |
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use once_cell::sync::Lazy; |
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use super::*; |
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#[derive(Debug, glib::Properties)] |
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@ -98,14 +106,15 @@ mod imp {
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pub state: Cell<TimelineState>, |
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/// Whether this timeline has a typing row.
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pub has_typing: Cell<bool>, |
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pub diff_handle: OnceCell<AbortHandle>, |
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pub back_pagination_status_handle: OnceCell<AbortHandle>, |
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/// Whether the timeline is empty.
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#[property(get = Self::is_empty)] |
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pub empty: PhantomData<bool>, |
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/// Whether the timeline has the `m.room.create` event of the room.
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#[property(get)] |
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pub has_room_create: Cell<bool>, |
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pub diff_handle: OnceCell<AbortHandle>, |
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pub back_pagination_status_handle: OnceCell<AbortHandle>, |
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pub read_receipts_changed_handle: OnceCell<AbortHandle>, |
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} |
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impl Default for Timeline { |
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@ -129,10 +138,11 @@ mod imp {
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event_map: Default::default(), |
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state: Default::default(), |
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has_typing: Default::default(), |
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diff_handle: Default::default(), |
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back_pagination_status_handle: Default::default(), |
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empty: Default::default(), |
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has_room_create: Default::default(), |
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diff_handle: Default::default(), |
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back_pagination_status_handle: Default::default(), |
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read_receipts_changed_handle: Default::default(), |
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} |
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} |
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} |
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@ -145,6 +155,12 @@ mod imp {
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#[glib::derived_properties] |
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impl ObjectImpl for Timeline { |
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fn signals() -> &'static [Signal] { |
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static SIGNALS: Lazy<Vec<Signal>> = |
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Lazy::new(|| vec![Signal::builder("read-change-trigger").build()]); |
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SIGNALS.as_ref() |
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} |
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fn dispose(&self) { |
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if let Some(handle) = self.diff_handle.get() { |
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handle.abort(); |
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@ -152,6 +168,9 @@ mod imp {
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if let Some(handle) = self.back_pagination_status_handle.get() { |
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handle.abort(); |
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} |
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if let Some(handle) = self.read_receipts_changed_handle.get() { |
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handle.abort(); |
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} |
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} |
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} |
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@ -366,6 +385,8 @@ impl Timeline {
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if self.empty() != was_empty { |
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self.notify_empty(); |
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} |
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self.emit_read_change_trigger(); |
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} |
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/// Update `nb` items' headers starting at `pos`.
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@ -633,6 +654,7 @@ impl Timeline {
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imp.diff_handle.set(diff_handle.abort_handle()).unwrap(); |
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self.setup_back_pagination_status().await; |
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self.setup_read_receipts().await; |
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} |
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/// Setup the back-pagination status.
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@ -675,6 +697,43 @@ impl Timeline {
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.unwrap(); |
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} |
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/// Listen to read receipts changes.
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async fn setup_read_receipts(&self) { |
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let Some(room) = self.room() else { |
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return; |
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}; |
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let room_id = room.room_id().to_owned(); |
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let matrix_timeline = self.matrix_timeline(); |
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let stream = matrix_timeline |
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.subscribe_own_user_read_receipts_changed() |
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.await; |
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let obj_weak = glib::SendWeakRef::from(self.downgrade()); |
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let fut = stream.for_each(move |_| { |
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let obj_weak = obj_weak.clone(); |
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let room_id = room_id.clone(); |
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async move { |
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let ctx = glib::MainContext::default(); |
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ctx.spawn(async move { |
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spawn!(async move { |
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if let Some(obj) = obj_weak.upgrade() { |
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obj.emit_read_change_trigger(); |
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} else { |
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error!("Could not emit read change trigger for room {room_id}: could not upgrade weak reference"); |
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} |
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}); |
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}); |
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} |
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}); |
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let handle = spawn_tokio!(fut); |
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self.imp() |
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.read_receipts_changed_handle |
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.set(handle.abort_handle()) |
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.unwrap(); |
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} |
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/// The underlying SDK timeline.
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pub fn matrix_timeline(&self) -> Arc<SdkTimeline> { |
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self.imp().timeline.get().unwrap().clone() |
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@ -812,6 +871,25 @@ impl Timeline {
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events |
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} |
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/// Emit the trigger that a read change might have occurred.
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fn emit_read_change_trigger(&self) { |
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self.emit_by_name::<()>("read-change-trigger", &[]); |
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} |
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/// Connect to the trigger emitted when a read change might have occurred.
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pub fn connect_read_change_trigger<F: Fn(&Self) + 'static>( |
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&self, |
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f: F, |
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) -> glib::SignalHandlerId { |
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self.connect_closure( |
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"read-change-trigger", |
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true, |
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closure_local!(move |obj: Self| { |
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f(&obj); |
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}), |
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) |
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} |
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} |
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/// Whether the given event is an `m.room.create` event.
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Kévin Commaille
2 years ago