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1 /* Any copyright is dedicated to the Public Domain. |
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2 * http://creativecommons.org/publicdomain/zero/1.0/ */ |
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3 |
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4 "use strict"; |
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5 |
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6 const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"; |
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7 |
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8 function whenBrowserLoaded(browser, callback) { |
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9 browser.addEventListener("load", function onLoad(event) { |
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10 if (event.target == browser.contentDocument) { |
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11 browser.removeEventListener("load", onLoad, true); |
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12 executeSoon(callback); |
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13 } |
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14 }, true); |
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15 } |
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16 |
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17 function waitForOnBeforeUnloadDialog(browser, callback) { |
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18 browser.addEventListener("DOMWillOpenModalDialog", function onModalDialog() { |
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19 browser.removeEventListener("DOMWillOpenModalDialog", onModalDialog, true); |
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20 |
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21 executeSoon(() => { |
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22 let stack = browser.parentNode; |
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23 let dialogs = stack.getElementsByTagNameNS(XUL_NS, "tabmodalprompt"); |
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24 let {button0, button1} = dialogs[0].ui; |
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25 callback(button0, button1); |
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26 }); |
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27 }, true); |
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28 } |