/// <summary>
/// Freezes the layout only if the number of lines has not changed.
/// </summary>
/// <param name="lines">The number of lines of text displayed.</param>
/// <param name="allowUpdate">true to allow moving into frozen states, or false to thaw only.</param>
internal void FreezeIfMatch(int lines, bool allowUpdate)
{
if (lines != Lines)
{
Lines = lines;
if (frozen != FREEZE_THAWED)
{
freeze.enabled = false;
thaw.enabled = true;
frozen = FREEZE_THAWED;
}
}
else if (allowUpdate)
{
if (frozen == FREEZE_THAWED)
{
frozen = FREEZE_PENDING;
}
else if (frozen == FREEZE_PENDING)
{
freeze.CopyFrom(thaw);
thaw.enabled = false;
freeze.enabled = true;
frozen = FREEZE_FROZEN;
}
}
}
/// <summary>
/// Freezes the row layout.
/// </summary>
internal void Freeze()
{
if (root.activeInHierarchy)
{
freeze.CopyFrom(thaw);
thaw.enabled = false;
freeze.enabled = true;
}
}