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<link rel="import" href="/tracing/base/base.html">

<script>
'use strict';

tr.exportTo('tr.model', function() {

  /**
   * Indicates how much of a compound-event is selected [if any].
   *
   * The CompoundEventSelectionState enum is used with events that are
   * directly selectable, but also have associated events, too, that can be
   * selected. In this situation, there are a variety of different
   * selected states other than just "yes, no". This enum encodes those
   * various possible states.
   */
  var CompoundEventSelectionState = {
    // Basic bit states.
    NOT_SELECTED: 0,
    EVENT_SELECTED: 0x1,
    SOME_ASSOCIATED_EVENTS_SELECTED: 0x2,
    ALL_ASSOCIATED_EVENTS_SELECTED: 0x4,

    // Common combinations.
    EVENT_AND_SOME_ASSOCIATED_SELECTED: 0x1 | 0x2,
    EVENT_AND_ALL_ASSOCIATED_SELECTED: 0x1 | 0x4
  };

  return {
    CompoundEventSelectionState: CompoundEventSelectionState
  };
});
</script>