Basic HTML version of Foils prepared 26 March 99

Foil 14 Use of Events in JSSB

From Architecture and Implementation of JavaScript Shared Browser Tango Group Seminar -- 26 March 99. by Geoffrey C. Fox


All major events are generated from minor events
  • Directly if minor event specifies a new URL
  • Indirectly if minor event specifies a form or URL click
  • Need heuristic in "general pages" to link major events to minor events
Minor events are sent by master via Tango to nonmasters
Minor events are NOT immediately processed in nonmaster but rather queued
  • otherwise events such as "set form text field" must be thrown away if page not ready to receive
Queues processed in two ways
  • WebWisdom minor events are queued in JSSB but processed in WebWisdom page that uses them
  • Other minor events are processed in order by JSSB in same loop that inspects page URL's



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