eclipse-theia/theia

unexpected refresh of a webview

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#8,251 opened on Jul 28, 2020

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Description

Bug Description:

A webview is been refreshed when it is maximized or minimized

Steps to Reproduce:

  1. download and run https://github.com/microsoft/vscode-extension-samples/tree/master/webview-sample
  2. when you maximize or minimize the running webivew you see that the content of a webview is disappears for a few seconds, actually it is being refreshed and it does not stop in any break point even if you put them in a vscode webvew life cycle methods.

Additional Information

@theia/core 1.3.0

Contributor guide

Research direction
Investigate the webview lifecycle in Theia, especially the behavior when the window is resized or maximized. Trace the code path from window resize event to webview refresh to identify where the unnecessary refresh occurs.
Tech stack
typescript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
TypeScriptGitNode.js
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65