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simplification of sync event API

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zadam
2020-02-12 20:31:31 +01:00
parent 81a54cd4a0
commit 25553c9e67
5 changed files with 23 additions and 29 deletions
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26
src/public/javascripts/widgets/component.js
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@@ -15,13 +15,11 @@ export default class Component {
this.mutex = new Mutex();
}
async eventReceived(name, data, sync = false) {
async eventReceived(name, data) {
await this.initialized;
const fun = this[name + 'Listener'];
let propagateToChildren = true;
const start = Date.now();
if (typeof fun === 'function') {
@@ -30,7 +28,7 @@ export default class Component {
try {
release = await this.mutex.acquire();
propagateToChildren = await fun.call(this, data) !== false;
await fun.call(this, data);
}
finally {
if (release) {
@@ -45,28 +43,20 @@ export default class Component {
console.log(`Event ${name} in component ${this.componentId} took ${end-start}ms`);
}
if (propagateToChildren) {
const promise = this.triggerChildren(name, data, sync);
if (sync) {
await promise;
}
}
await this.triggerChildren(name, data);
}
trigger(name, data, sync = false) {
this.appContext.trigger(name, data, sync);
async trigger(name, data) {
await this.appContext.trigger(name, data);
}
async triggerChildren(name, data, sync = false) {
async triggerChildren(name, data) {
const promises = [];
for (const child of this.children) {
promises.push(child.eventReceived(name, data, sync));
promises.push(child.eventReceived(name, data));
}
if (sync) {
await Promise.all(promises);
}
await Promise.all(promises);
}
}