Setting the tabs to not fix
Current version
You can hide the tabs by setting fixOffset to at least -(the height of the bar). You can even control
Possible improvement
An improvement could be made in order to address your use case. This is not something I have the time to code now but contributions are welcome 😄
Right now there are 2 behaviours: Fixed tabs and not fixed. This result in the situations 1, 2 and 4. If I have understood correctly you want a third behaviour that replaces "fixed" when the element is scrolled away.
This new behaviour would be 3. Relative bottom.
Probably it's not hard to implement, we just have to detect when the visible part of the component is the same as the tabs bar height. In that moment, all the content left on the screen would be underneath the tabs bar. Then, we just have to change the tabs bar style from "fixed" to "relative" and set bottom to 0. This will fix the bar to the bottom of the element and will scroll upwards with the component. This will also allow for a great and seamless transition.
If you cannot do it, then maybe I'll do it on February, if I have time then.

Setting the tabs to not fix
Current version
You can hide the tabs by setting
fixOffsetto at least-(the height of the bar). You can even controlPossible improvement
An improvement could be made in order to address your use case. This is not something I have the time to code now but contributions are welcome 😄
Right now there are 2 behaviours: Fixed tabs and not fixed. This result in the situations 1, 2 and 4. If I have understood correctly you want a third behaviour that replaces "fixed" when the element is scrolled away.
This new behaviour would be 3. Relative bottom.
Probably it's not hard to implement, we just have to detect when the visible part of the component is the same as the tabs bar height. In that moment, all the content left on the screen would be underneath the tabs bar. Then, we just have to change the tabs bar style from "fixed" to "relative" and set bottom to 0. This will fix the bar to the bottom of the element and will scroll upwards with the component. This will also allow for a great and seamless transition.
If you cannot do it, then maybe I'll do it on February, if I have time then.