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calendar-server: Improve performance by properly using ECalClientView

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The previous code always restarted whole ECalClientView when it received
any changes in it, which could sometimes lead to constant repeated restarts
of the view.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/1875
This commit is contained in:
Milan Crha
2020-04-02 09:24:28 +02:00
committed by Georges Basile Stavracas Neto
parent 30d902f898
commit c00d79bae2
6 changed files with 961 additions and 955 deletions
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87
js/ui/calendar.js
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@ -222,7 +222,12 @@ class DBusEventSource extends EventSourceBase {
}
}
this._dbusProxy.connectSignal('Changed', this._onChanged.bind(this));
this._dbusProxy.connectSignal('EventsAddedOrUpdated',
this._onEventsAddedOrUpdated.bind(this));
this._dbusProxy.connectSignal('EventsRemoved',
this._onEventsRemoved.bind(this));
this._dbusProxy.connectSignal('ClientDisappeared',
this._onClientDisappeared.bind(this));
this._dbusProxy.connect('notify::g-name-owner', () => {
if (this._dbusProxy.g_name_owner)
@ -258,7 +263,7 @@ class DBusEventSource extends EventSourceBase {
}
_resetCache() {
this._events = [];
this._events = new Map();
this._lastRequestBegin = null;
this._lastRequestEnd = null;
}
@ -274,28 +279,47 @@ class DBusEventSource extends EventSourceBase {
this.emit('changed');
}
_onChanged() {
this._loadEvents(false);
_onEventsAddedOrUpdated(dbusProxy, nameOwner, argArray) {
const [appointments = []] = argArray;
let changed = false;
for (let n = 0; n < appointments.length; n++) {
const [id, summary, allDay, startTime, endTime] = appointments[n];
const date = new Date(startTime * 1000);
const end = new Date(endTime * 1000);
let event = new CalendarEvent(id, date, end, summary, allDay);
this._events.set(event.id, event);
changed = true;
}
if (changed)
this.emit('changed');
}
_onEventsReceived(results, _error) {
let newEvents = [];
let appointments = results[0] || [];
for (let n = 0; n < appointments.length; n++) {
let a = appointments[n];
let date = new Date(a[4] * 1000);
let end = new Date(a[5] * 1000);
let id = a[0];
let summary = a[1];
let allDay = a[3];
let event = new CalendarEvent(id, date, end, summary, allDay);
newEvents.push(event);
}
newEvents.sort((ev1, ev2) => ev1.date.getTime() - ev2.date.getTime());
_onEventsRemoved(dbusProxy, nameOwner, argArray) {
const [ids = []] = argArray;
this._events = newEvents;
this._isLoading = false;
this.emit('changed');
let changed = false;
for (const id of ids)
changed |= this._events.delete(id);
if (changed)
this.emit('changed');
}
_onClientDisappeared(dbusProxy, nameOwner, argArray) {
let [sourceUid = ''] = argArray;
sourceUid += '\n';
let changed = false;
for (const id of this._events.keys()) {
if (id.startsWith(sourceUid))
changed |= this._events.delete(id);
}
if (changed)
this.emit('changed');
}
_loadEvents(forceReload) {
@ -304,27 +328,30 @@ class DBusEventSource extends EventSourceBase {
return;
if (this._curRequestBegin && this._curRequestEnd) {
this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000,
this._curRequestEnd.getTime() / 1000,
forceReload,
this._onEventsReceived.bind(this),
Gio.DBusCallFlags.NONE);
if (forceReload) {
this._events.clear();
this.emit('changed');
}
this._dbusProxy.SetTimeRangeRemote(
this._curRequestBegin.getTime() / 1000,
this._curRequestEnd.getTime() / 1000,
forceReload,
Gio.DBusCallFlags.NONE);
}
}
requestRange(begin, end) {
if (!(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) {
this._isLoading = true;
this._lastRequestBegin = begin;
this._lastRequestEnd = end;
this._curRequestBegin = begin;
this._curRequestEnd = end;
this._loadEvents(false);
this._loadEvents(true);
}
}
*_getFilteredEvents(begin, end) {
for (const event of this._events) {
for (const event of this._events.values()) {
if (_dateIntervalsOverlap(event.date, event.end, begin, end))
yield event;
}
@ -879,7 +906,7 @@ class EventsSection extends MessageList.MessageListSection {
}
_reloadEvents() {
if (this._eventSource.isLoading)
if (this._eventSource.isLoading || this._reloading)
return;
this._reloading = true;