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const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
this.EXPORTED_SYMBOLS = ['Roles', 'Events', 'Relations',
'Filters', 'States', 'Prefilters'];
function ConstantsMap (aObject, aPrefix, aMap = {}, aModifier = null) {
let offset = aPrefix.length;
for (var name in aObject) {
if (name.indexOf(aPrefix) === 0) {
aMap[name.slice(offset)] = aModifier ?
aModifier(aObject[name]) : aObject[name];
}
}
return aMap;
}
XPCOMUtils.defineLazyGetter(
this, 'Roles',
function() {
return ConstantsMap(Ci.nsIAccessibleRole, 'ROLE_');
});
XPCOMUtils.defineLazyGetter(
this, 'Events',
function() {
return ConstantsMap(Ci.nsIAccessibleEvent, 'EVENT_');
});
XPCOMUtils.defineLazyGetter(
this, 'Relations',
function() {
return ConstantsMap(Ci.nsIAccessibleRelation, 'RELATION_');
});
XPCOMUtils.defineLazyGetter(
this, 'Prefilters',
function() {
return ConstantsMap(Ci.nsIAccessibleTraversalRule, 'PREFILTER_');
});
XPCOMUtils.defineLazyGetter(
this, 'Filters',
function() {
return ConstantsMap(Ci.nsIAccessibleTraversalRule, 'FILTER_');
});
XPCOMUtils.defineLazyGetter(
this, 'States',
function() {
let statesMap = ConstantsMap(Ci.nsIAccessibleStates, 'STATE_', {},
(val) => { return { base: val, extended: 0 }; });
ConstantsMap(Ci.nsIAccessibleStates, 'EXT_STATE_', statesMap,
(val) => { return { base: 0, extended: val }; });
return statesMap;
});
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