Utility singleton to watch for viewport resizes, avoiding duplicate notifications which can lead to infinite loops.
Usage:
Viewport.on("resize", myCallback)
Viewport.on("scroll", myOtherCallback)myCallback() is called without arguments in case it's Widget.resize(), which would interpret the argument as the size to make the widget.
Methods
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<static> getEffectiveBox()
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Get the size of the viewport, or on mobile devices, the part of the viewport not obscured by the virtual keyboard.
- Source: