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Add reference counting for emote sets so that we know when to unload them. Create a class for Users so that we can use ref counting with them.

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This commit is contained in:
SirStendec 2017-11-22 20:21:01 -05:00
parent b04cd8a61a
commit 6c4966166a
5 changed files with 256 additions and 29 deletions
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80
src/modules/chat/emotes.js
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@ -65,6 +65,8 @@ export default class Emotes extends Module {
this.global_sets = new SourcedSet;
this.emote_sets = {};
this._set_refs = {};
this._set_timers = {};
}
onEnable() {
@ -121,7 +123,44 @@ export default class Emotes extends Module {
}
// ========================================================================
// FFZ Emote Sets
// Emote Set Ref Counting
// ========================================================================
addDefaultSet(provider, set_id, data) {
if ( ! this.default_sets.sourceIncludes(provider, set_id) ) {
this.default_sets.push(provider, set_id);
this.refSet(set_id);
}
if ( data )
this.loadSetData(set_id, data);
}
removeDefaultSet(provider, set_id) {
if ( this.default_sets.sourceIncludes(provider, set_id) ) {
this.default_sets.remove(provider, set_id);
this.unrefSet(set_id);
}
}
refSet(set_id) {
this._set_refs[set_id] = (this._set_refs[set_id] || 0) + 1;
if ( this._set_timers[set_id] ) {
clearTimeout(this._set_timers[set_id]);
this._set_timers[set_id] = null;
}
}
unrefSet(set_id) {
const c = this._set_refs[set_id] = (this._set_refs[set_id] || 1) - 1;
if ( c <= 0 && ! this._set_timers[set_id] )
this._set_timers[set_id] = setTimeout(() => this.unloadSet(set_id), 5000);
}
// ========================================================================
// Emote Set Loading
// ========================================================================
async loadGlobalSets(tries = 0) {
@ -149,13 +188,12 @@ export default class Emotes extends Module {
const sets = data.sets || {};
this.default_sets.extend('ffz-global', ...data.default_sets);
for(const set_id of data.default_sets)
this.addDefaultSet('ffz-global', set_id);
for(const set_id in sets)
if ( has(sets, set_id) ) {
this.global_sets.push('ffz-global', set_id);
if ( has(sets, set_id) )
this.loadSetData(set_id, sets[set_id]);
}
if ( data.users )
this.loadSetUsers(data.users);
@ -168,12 +206,9 @@ export default class Emotes extends Module {
const emote_set = this.emote_sets[set_id],
users = data[set_id];
for(const login of users) {
const user = this.parent.getUser(undefined, login),
sets = user.emote_sets;
sets.push('ffz-global', set_id);
}
for(const login of users)
this.parent.getUser(undefined, login)
.addSet('ffz-global', set_id);
this.log.info(`Added "${emote_set ? emote_set.title : set_id}" emote set to ${users.length} users.`);
}
@ -191,8 +226,6 @@ export default class Emotes extends Module {
this.emote_sets[set_id] = data;
data.users = old_set ? old_set.users : 0;
let count = 0;
const ems = data.emotes || data.emoticons,
new_ems = data.emotes = {},
@ -237,11 +270,30 @@ export default class Emotes extends Module {
else if ( css.length )
data.pending_css = css.join('');
this.log.info(`Updated emotes for set #${set_id}: ${data.title}`);
this.log.info(`Loaded emote set #${set_id}: ${data.title} (${count} emotes)`);
this.emit(':loaded', set_id, data);
}
unloadSet(set_id, force = false) {
const old_set = this.emote_sets[set_id],
count = this._set_refs[set_id] || 0;
if ( ! old_set )
return;
if ( count > 0 ) {
if ( ! force )
return this.log.warn(`Attempted to unload emote set #${set_id} with ${count} users.`);
this.log.warn(`Unloading emote set ${set_id} with ${count} users.`);
}
this.log.info(`Unloaded emote set #${set_id}: ${old_set.title}`);
this.emit(':unloaded', set_id, old_set);
this.emote_sets[set_id] = null;
}
// ========================================================================
// Emote CSS
// ========================================================================