Julian Descottes
2bbd2ad928
At the moment, if RDM is opened when a browser/tab is discarded, it will remain in a buggy state, and can no longer be disabled on this tab. Add a new custom event emitted before the tab is discarded so that RDM can cleanly close the RDM ui. A test is added to check the new close codepath. Differential Revision: https://phabricator.services.mozilla.com/D279126
61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Verify RDM closes synchronously when tabs are discarded.
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const TEST_URL = "https://example.com/";
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addRDMTask(
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null,
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async function () {
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const tab = await addTab(TEST_URL);
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const { ui } = await openRDM(tab);
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await waitForDeviceAndViewportState(ui);
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const clientClosed = waitForClientClose(ui);
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closeRDM(tab, {
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reason: "TabBrowserDiscarded",
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});
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// This flag is set at the end of `ResponsiveUI.destroy`. If it is true
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// without waiting for `closeRDM` above, then we must have closed
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// synchronously.
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is(ui.destroyed, true, "RDM closed synchronously");
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await clientClosed;
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await removeTab(tab);
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},
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{ onlyPrefAndTask: true }
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);
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addRDMTask(
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null,
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async function () {
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const tab = await addTab(TEST_URL);
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const { ui } = await openRDM(tab);
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await waitForDeviceAndViewportState(ui);
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const clientClosed = waitForClientClose(ui);
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// If the tab is selected, it is not allowed to be discarded.
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info("Create another tab to deselect the tab to discard");
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const tab2 = await addTab(TEST_URL);
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info("Discard the initial tab");
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gBrowser.discardBrowser(tab);
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// This flag is set at the end of `ResponsiveUI.destroy`. If it is true without
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// waiting for `closeRDM` itself and only removing the tab, then we must have closed
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// synchronously in response to tab closing.
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is(ui.destroyed, true, "RDM closed synchronously");
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await clientClosed;
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await removeTab(tab);
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await removeTab(tab2);
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},
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{ onlyPrefAndTask: true }
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);
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