void _updateHighlightMode()
{
_lastInteractionWasTouch = false; //(Platform.isAndroid || Platform.isIOS || !WidgetsBinding.instance.mouseTracker.mouseIsConnected);
FocusHighlightMode newMode = FocusHighlightMode.touch;
switch (highlightStrategy)
{
case FocusHighlightStrategy.automatic:
if (_lastInteractionWasTouch)
{
newMode = FocusHighlightMode.touch;
}
else
{
newMode = FocusHighlightMode.traditional;
}
break;
case FocusHighlightStrategy.alwaysTouch:
newMode = FocusHighlightMode.touch;
break;
case FocusHighlightStrategy.alwaysTraditional:
newMode = FocusHighlightMode.traditional;
break;
}
if (newMode != _highlightMode)
{
_highlightMode = newMode;
_notifyHighlightModeListeners();
}
}
void _handleFocusHighlightModeChange(FocusHighlightMode mode)
{
if (!mounted)
{
return;
}
_updateHighlightMode(mode);
}
void _handleFocusHighlightModeChange(FocusHighlightMode mode)
{
if (!mounted)
{
return;
}
setState(() => { _focusHighlightMode = mode; });
}
void _updateHighlightMode(FocusHighlightMode mode)
{
_mayTriggerCallback(task: () => {
switch (FocusManager.instance.highlightMode)
{
case FocusHighlightMode.touch:
_canShowHighlight = false;
break;
case FocusHighlightMode.traditional:
_canShowHighlight = true;
break;
}
});
}
public override void initState()
{
base.initState();
_updateSelectedIndex();
if (widget.focusNode == null)
{
_internalNode = _internalNode ?? _createFocusNode();
}
_actionMap = new Dictionary <LocalKey, ActionFactory>()
{
{ ActivateAction.key, _createAction }
};
focusNode.addListener(_handleFocusChanged);
FocusManager focusManager = WidgetsBinding.instance.focusManager;
_focusHighlightMode = focusManager.highlightMode;
focusManager.addHighlightModeListener(_handleFocusHighlightModeChange);
}