goog.positioning.ViewportClientPosition

Provided By	`goog.positioning.ViewportClientPosition`
Extends	`goog.positioning.ClientPosition` `goog.positioning.AbstractPosition`

Encapsulates a popup position where the popup is positioned relative to the window (client) coordinates, and made to stay within the viewport.

Parameters

`arg1`	`(number\|goog.math.Coordinate\|null)`
	Left position or coordinate.
`opt_arg2`	`number=`
	Top position if arg1 is a number representing the left position, ignored otherwise.

Instance Methods

Repositions the popup according to the current state.

Overrides

Parameters

`element`	`(Element\|null)`
	The DOM element of the popup.
`popupCorner`	`goog.positioning.Corner`
	The corner of the popup element that that should be positioned adjacent to the anchorElement. One of the goog.positioning.Corner constants.
`opt_margin`	`(goog.math.Box\|null)=`
	A margin specified in pixels.
`opt_preferredSize`	`(goog.math.Size\|null)=`
	Preferred size fo the element.

Set the last-resort overflow strategy, if the popup fails to fit.

Parameters

`overflow`	`number`
	A bitmask of goog.positioning.Overflow strategies.

Coordinate to position popup at.