mozilla/webmaker-core

Map jumps after specific scale & pan actions

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#61 opened on Jul 14, 2015

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Description

This issue has been migrated from mozilla/webmaker-android#1700.

It was originally written by flukeout on Fri May 08 2015 and had the following description:

Steps to reproduce:

  • Place your index finger down and pan the map
  • Place your thumb down and pinch to zoom the map
  • Release your index finger
  • Pan the map with your thumb
  • Place index finger down and pinch zoom
  • The map jumps

Something about switching fingers triggers this.

Contributor guide

Research direction
Examine the touch event handling and gesture recognition in the map component. Trace the sequence of touch events during the pinch zoom and pan actions to identify where the coordinate system jumps.
Tech stack
javascriptreact
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.
Half day
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
GitReact
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50