new Overlay()
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Methods
focusOnElement()
Focuses on an element by resizing a transparent overlay to match its
dimensions and changes the borders to be colored to obscure the main UI.
This method is involved in the "transparent overlay" strategy.
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showBackgroundOverlay()
Shows a background overlay to obscure the main interface, and acts as the
background for the cloned elements involved in the tutorial.
This method is involved in the "clone element" strategy.
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showTransparentOverlay()
Shows a transparent overlay to prevent user from interacting with cloned
elements.
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