From b5a74d22897f71d836faed0bda90c0fe370493ce Mon Sep 17 00:00:00 2001
From: "mathias.chouet" <mathias.chouet@irstea.fr>
Date: Fri, 17 May 2019 15:12:29 +0200
Subject: [PATCH] Progress notifications: every 30ms only
---
src/nub.ts | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/nub.ts b/src/nub.ts
index 2cdd6c3e..78a78e0b 100644
--- a/src/nub.ts
+++ b/src/nub.ts
@@ -49,6 +49,9 @@ export abstract class Nub extends ComputeNode implements IObservable {
/** a rough indication of calculation progress, between 0 and 100 */
private _progress: number = 0;
+ /** allows notifying of progress every X milliseconds only */
+ private previousNotificationTimestamp = 0;
+
public constructor(prms: ParamsEquation, dbg: boolean = false) {
super(prms, dbg);
this._children = [];
@@ -93,11 +96,20 @@ export abstract class Nub extends ComputeNode implements IObservable {
}
/**
- * Updates the progress percentage and notifies observers
+ * Updates the progress percentage and notifies observers,
+ * at most once per 300ms
*/
protected set progress(v: number) {
this._progress = v;
- this.notifyProgressUpdated();
+ const currentTime = new Date().getTime();
+ if (
+ (currentTime - this.previousNotificationTimestamp) > 30
+ || v === 100
+ ) {
+ // console.log(">> notifying !");
+ this.notifyProgressUpdated();
+ this.previousNotificationTimestamp = currentTime;
+ }
}
public get calcType() {
--
GitLab