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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {
FETCH_CHILDREN,
SELECT,
HIGHLIGHT,
UNHIGHLIGHT,
} = require("resource://devtools/client/accessibility/constants.js");
/**
* Fetch child accessibles for a given accessible object.
* @param {Object} accessible front
*/
exports.fetchChildren =
accessible =>
({ dispatch }) =>
accessible
.children()
.then(response =>
dispatch({ accessible, type: FETCH_CHILDREN, response })
)
.catch(error => dispatch({ accessible, type: FETCH_CHILDREN, error }));
exports.select =
accessible =>
({ dispatch }) => {
const accessibleWalkerFront = accessible.getParent();
if (!accessibleWalkerFront) {
dispatch({
accessible,
type: SELECT,
error: new Error("AccessibleWalker front is not available."),
});
return Promise.reject();
}
return accessibleWalkerFront
.getAncestry(accessible)
.then(response => dispatch({ accessible, type: SELECT, response }))
.catch(error => dispatch({ accessible, type: SELECT, error }));
};
exports.highlight =
accessible =>
({ dispatch }) => {
const accessibleWalkerFront = accessible.getParent();
if (!accessibleWalkerFront) {
dispatch({
accessible,
type: SELECT,
error: new Error("AccessibleWalker front is not available."),
});
return Promise.reject();
}
return accessibleWalkerFront
.getAncestry(accessible)
.then(response => dispatch({ accessible, type: HIGHLIGHT, response }))
.catch(error => dispatch({ accessible, type: HIGHLIGHT, error }));
};
exports.unhighlight =
() =>
({ dispatch }) =>
dispatch({ type: UNHIGHLIGHT });
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