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