forked from mirrors/gecko-dev
640fe52298
MozReview-Commit-ID: F6xUXCgdRE4 --HG-- extra : rebase_source : 65de1b0aba412d9044b5196115f74276caa058f2
68 lines
2.7 KiB
JavaScript
68 lines
2.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const PREF_ACCESSIBILITY_FORCE_DISABLED = "accessibility.force_disabled";
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function checkAccessibilityState(accessibility, expected) {
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const { enabled, canBeDisabled, canBeEnabled } = accessibility;
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is(enabled, expected.enabled, "Enabled state is correct.");
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is(canBeDisabled, expected.canBeDisabled, "canBeDisabled state is correct.");
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is(canBeEnabled, expected.canBeEnabled, "canBeEnabled state is correct.");
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}
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// Simple checks for the AccessibilityActor and AccessibleWalkerActor
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add_task(async function() {
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const { walker: domWalker, client, accessibility} = await initAccessibilityFrontForUrl(
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"data:text/html;charset=utf-8,<title>test</title><div></div>");
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ok(accessibility, "The AccessibilityFront was created");
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ok(accessibility.getWalker, "The getWalker method exists");
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let a11yWalker = await accessibility.getWalker();
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ok(a11yWalker, "The AccessibleWalkerFront was returned");
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checkAccessibilityState(accessibility,
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{ enabled: false, canBeDisabled: true, canBeEnabled: true });
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info("Force disable accessibility service: updates canBeEnabled flag");
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let onEvent = accessibility.once("can-be-enabled-change");
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Services.prefs.setIntPref(PREF_ACCESSIBILITY_FORCE_DISABLED, 1);
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await onEvent;
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checkAccessibilityState(accessibility,
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{ enabled: false, canBeDisabled: true, canBeEnabled: false });
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info("Clear force disable accessibility service: updates canBeEnabled flag");
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onEvent = accessibility.once("can-be-enabled-change");
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Services.prefs.clearUserPref(PREF_ACCESSIBILITY_FORCE_DISABLED);
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await onEvent;
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checkAccessibilityState(accessibility,
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{ enabled: false, canBeDisabled: true, canBeEnabled: true });
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info("Initialize accessibility service");
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const initEvent = accessibility.once("init");
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await accessibility.enable();
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await waitForA11yInit();
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await initEvent;
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checkAccessibilityState(accessibility,
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{ enabled: true, canBeDisabled: true, canBeEnabled: true });
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a11yWalker = await accessibility.getWalker();
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const rootNode = await domWalker.getRootNode();
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const a11yDoc = await a11yWalker.getAccessibleFor(rootNode);
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ok(a11yDoc, "Accessible document actor is created");
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info("Shutdown accessibility service");
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const shutdownEvent = accessibility.once("shutdown");
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await accessibility.disable();
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await waitForA11yShutdown();
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await shutdownEvent;
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checkAccessibilityState(accessibility,
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{ enabled: false, canBeDisabled: true, canBeEnabled: true });
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await client.close();
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gBrowser.removeCurrentTab();
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});
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