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Test Info:
"use strict";
const widgetData = {
id: "test-widget",
type: "view",
viewId: "PanelUI-testbutton",
label: "test widget label",
onViewShowing() {},
onViewHiding() {},
};
async function simulateWidgetOpen() {
let testWidgetButton = document.getElementById("test-widget");
let testWidgetShowing = BrowserTestUtils.waitForEvent(
document,
"popupshowing",
true
);
testWidgetButton.click();
await testWidgetShowing;
}
async function simulateWidgetClose() {
let panel = document.getElementById("customizationui-widget-panel");
let panelHidden = BrowserTestUtils.waitForEvent(panel, "popuphidden");
panel.hidePopup();
await panelHidden;
}
function createPanelView() {
let panelView = document.createXULElement("panelview");
panelView.id = "PanelUI-testbutton";
let vbox = document.createXULElement("vbox");
panelView.appendChild(vbox);
return panelView;
}
/**
* Check that panel view/hide events are added back,
* if widget is destroyed and created again in one session.
*/
add_task(async function () {
let viewCache = document.getElementById("appMenu-viewCache");
let panelView = createPanelView();
viewCache.appendChild(panelView);
CustomizableUI.createWidget(widgetData);
CustomizableUI.addWidgetToArea("test-widget", "nav-bar");
// Simulate clicking and wait for the open
// so we ensure the lazy event creation is done.
await simulateWidgetOpen();
let listeners = Services.els.getListenerInfoFor(panelView);
ok(
listeners.some(info => info.type == "ViewShowing"),
"ViewShowing event added"
);
ok(
listeners.some(info => info.type == "ViewHiding"),
"ViewHiding event added"
);
await simulateWidgetClose();
CustomizableUI.destroyWidget("test-widget");
listeners = Services.els.getListenerInfoFor(panelView);
// Ensure the events got removed after destorying the widget.
ok(
!listeners.some(info => info.type == "ViewShowing"),
"ViewShowing event removed"
);
ok(
!listeners.some(info => info.type == "ViewHiding"),
"ViewHiding event removed"
);
CustomizableUI.createWidget(widgetData);
// Simulate clicking and wait for the open
// so we ensure the lazy event creation is done.
// We need to do this again because we destroyed the widget.
await simulateWidgetOpen();
listeners = Services.els.getListenerInfoFor(panelView);
ok(
listeners.some(info => info.type == "ViewShowing"),
"ViewShowing event added again"
);
ok(
listeners.some(info => info.type == "ViewHiding"),
"ViewHiding event added again"
);
await simulateWidgetClose();
CustomizableUI.destroyWidget("test-widget");
panelView.remove();
CustomizableUI.reset();
});