XWidgetSoft Forum

An event that is currently missing from the widget engine:

wakefromsleep
sent when the computer wakes from sleep mode

Description
This event is sent when the computer wakes from sleep mode.
Timers are stopped when the computer goes to sleep and are not restarted until onWakeFromSleep is called. There is usually a delay of about 15 seconds between when the computer wakes and when this event is sent. This is to give the networking stack time to recover before the Widget timers start to function again.

Example
widget.onWakeFromSleep = handleWake;

The absence of this event means that some essential tasks that need to be performed on wake up cannot be performed. The above is an extract from the yahoo widget documentation showing how it should work in an existing javascript engine.

Usage:
When ActiveX controls are used to interface to system functions such as windows media player, after a system hibernate and restart the underlying connection is not always maintained between the component and the widget leading to an error and a subsequent hang. If the onWakeFromSleep event was implemented, the ActiveX object could be reinstantiated to ensure the connection is remade. Currently Xwidget is unable to do this.

If anyone knows how to detect when a widget has awoken from sleep then please tell me. For the moment I will use a one-per-minute timer and I'll check the time difference, if it is greater than three minutes then I will restart the widget.

The main issue here is that once the wakeFromSleep function has been called there is no option to reload or restart the widget within Xwidget. That is necessary to reconnect the ActiveX object. This is a deficiency within Xwidget that is documented here: