Toggle scrolling#130

[thagel]

Description

Adds a toggle to enable/disable automatic scrolling. (default enabled)
Adds custom scroll listeners, that interact with the toggle:

• Scrolling per se disables automatic scrolling to the top
• Scrolling to top enables automatic scrolling to the top (in other words: resets to the default)

Fixes # 130

Type of change

• [X ] New Feature (non-breaking change to add a feature)

How to test

Please describe steps to test your change.

• Do subscribe to #
• Send a message to xyz with payload a
• repeat the step before untill listview appears full
• Send a message to xyz with payload b. validate default: message b is shown on top, others are down beneith
• click on one of the messages with a. validate the toggle for automatic scrolling switched automatically to disabled
• Send more messages: validate the clicked message stays on top
• Scroll down.
• Send more message: validate the clicked message is now on top again.
• Scroll to the far top: validate the toggle for automatic scrolling switched automatically to enabled
• Send another message eg. with payload c. validate the new message stays on top (default)
• Also test behavior by actively pressing the toggle.

Checklist:

• Code follows the coding guidelines
• Code is understandable by others
• Code is commented
• Migration of local user data is included (if relevant)
• No unexpected warnings or exceptions are thrown.
• Plugin compatibility is checked (if relevant)
• Unit Tests are added

[sonarcloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud