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Test Info:
"use strict";
// This test checks whether applied WebExtension themes are persisted and applied
// on newly opened windows.
add_task(async function test_multiple_windows() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
theme: {
images: {
theme_frame: "image1.png",
},
colors: {
frame: ACCENT_COLOR,
tab_background_text: TEXT_COLOR,
},
},
},
files: {
"image1.png": BACKGROUND,
},
});
await extension.startup();
let docEl = window.document.documentElement;
let toolbox = document.querySelector("#navigator-toolbox");
let computedStyle = window.getComputedStyle(toolbox);
Assert.ok(docEl.hasAttribute("lwtheme"), "LWT attribute should be set");
Assert.equal(
docEl.getAttribute("lwtheme-brighttext"),
"true",
"LWT text color attribute should be set"
);
Assert.ok(
computedStyle.backgroundImage.includes("image1.png"),
"Expected background image"
);
// Now we'll open a new window to see if the theme is also applied there.
let window2 = await BrowserTestUtils.openNewBrowserWindow();
docEl = window2.document.documentElement;
toolbox = window2.document.querySelector("#navigator-toolbox");
computedStyle = window.getComputedStyle(toolbox);
Assert.ok(docEl.hasAttribute("lwtheme"), "LWT attribute should be set");
Assert.equal(
docEl.getAttribute("lwtheme-brighttext"),
"true",
"LWT text color attribute should be set"
);
Assert.ok(
computedStyle.backgroundImage.includes("image1.png"),
"Expected background image"
);
await BrowserTestUtils.closeWindow(window2);
await extension.unload();
});