" + "" + "Checkbox" + "
"; let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, gPageURL1); tab1.linkedBrowser.messageManager.loadFrameScript("data:,(" + childHandleFocus.toString() + ")();", false); Services.focus.clearFocus(window); // Press an accesskey in the child document while the chrome is focused. let focusedId = await performAccessKey("y"); is(focusedId, "button", "button accesskey"); // Press an accesskey in the child document while the content document is focused. focusedId = await performAccessKey("z"); is(focusedId, "checkbox", "checkbox accesskey"); // Add an element with an accesskey to the chrome and press its accesskey while the chrome is focused. let newButton = document.createElement("button"); newButton.id = "chromebutton"; newButton.setAttribute("accesskey", "z"); document.documentElement.appendChild(newButton); Services.focus.clearFocus(window); focusedId = await performAccessKeyForChrome("z"); is(focusedId, "chromebutton", "chromebutton accesskey"); // Add a second tab and ensure that accesskey from the first tab is not used. const gPageURL2 = "data:text/html," + "" + ""; let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, gPageURL2); tab2.linkedBrowser.messageManager.loadFrameScript("data:,(" + childHandleFocus.toString() + ")();", false); Services.focus.clearFocus(window); focusedId = await performAccessKey("y"); is(focusedId, "tab2button", "button accesskey in tab2"); // Press the accesskey for the chrome element while the content document is focused. focusedId = await performAccessKeyForChrome("z"); is(focusedId, "chromebutton", "chromebutton accesskey"); gBrowser.removeTab(tab1); gBrowser.removeTab(tab2); // Test whether access key for the newButton isn't available when content // consumes the key event. // When content in the tab3 consumes all keydown events. const gPageURL3 = "data:text/html," + "" + ""; let tab3 = await BrowserTestUtils.openNewForegroundTab(gBrowser, gPageURL3); tab3.linkedBrowser.messageManager.loadFrameScript("data:,(" + childHandleFocus.toString() + ")();", false); Services.focus.clearFocus(window); focusedId = await performAccessKey("y"); is(focusedId, "tab3button", "button accesskey in tab3 should be focused"); newButton.onfocus = () => { ok(false, "chromebutton shouldn't get focus during testing with tab3"); }; // Press the accesskey for the chrome element while the content document is focused. focusedId = await performAccessKey("z"); is(focusedId, "tab3body", "button accesskey in tab3 should keep having focus"); newButton.onfocus = null; gBrowser.removeTab(tab3); // When content in the tab4 consumes all keypress events. const gPageURL4 = "data:text/html," + "" + ""; let tab4 = await BrowserTestUtils.openNewForegroundTab(gBrowser, gPageURL4); tab4.linkedBrowser.messageManager.loadFrameScript("data:,(" + childHandleFocus.toString() + ")();", false); Services.focus.clearFocus(window); focusedId = await performAccessKey("y"); is(focusedId, "tab4button", "button accesskey in tab4 should be focused"); newButton.onfocus = () => { // EventStateManager handles accesskey before dispatching keypress event // into the DOM tree, therefore, chrome accesskey always wins focus from // content. However, this is different from shortcut keys. todo(false, "chromebutton shouldn't get focus during testing with tab4"); }; // Press the accesskey for the chrome element while the content document is focused. focusedId = await performAccessKey("z"); is(focusedId, "tab4body", "button accesskey in tab4 should keep having focus"); newButton.onfocus = null; gBrowser.removeTab(tab4); newButton.remove(); }); function childHandleFocus() { var sent = false; content.document.body.firstElementChild.addEventListener("focus", function focused(event) { sent = true; let focusedElement = content.document.activeElement; focusedElement.blur(); sendAsyncMessage("Test:FocusFromAccessKey", { focus: focusedElement.id }); }, true); content.document.body.addEventListener("keydown", function keydown(event) { sent = false; }, true); content.document.body.addEventListener("keyup", function keyup(event) { if (!sent) { sent = true; let focusedElement = content.document.activeElement; sendAsyncMessage("Test:FocusFromAccessKey", { focus: focusedElement.id }); } }); } function performAccessKey(key) { return new Promise(resolve => { let mm = gBrowser.selectedBrowser.messageManager; mm.addMessageListener("Test:FocusFromAccessKey", function listenForFocus(msg) { mm.removeMessageListener("Test:FocusFromAccessKey", listenForFocus); resolve(msg.data.focus); }); EventUtils.synthesizeKey(key, { altKey: true, shiftKey: true }); }); } // This version is used when a chrome elemnt is expected to be found for an accesskey. async function performAccessKeyForChrome(key, inChild) { let waitFocusChangePromise = BrowserTestUtils.waitForEvent(document, "focus", true); EventUtils.synthesizeKey(key, { altKey: true, shiftKey: true }); await waitFocusChangePromise; return document.activeElement.id; }