зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.9 KiB
JavaScript
57 строки
1.9 KiB
JavaScript
//Used by JSHint:
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/*global Cu, BrowserTestUtils, ok, add_task, gBrowser */
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"use strict";
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const { ManifestIcons } = Cu.import("resource://gre/modules/ManifestIcons.jsm", {});
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const { ManifestObtainer } = Cu.import("resource://gre/modules/ManifestObtainer.jsm", {});
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const defaultURL = new URL("http://example.org/browser/dom/manifest/test/resource.sjs");
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defaultURL.searchParams.set("Content-Type", "application/manifest+json");
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const manifest = JSON.stringify({
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icons: [{
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sizes: "50x50",
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src: "red-50.png?Content-type=image/png"
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}, {
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sizes: "150x150",
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src: "blue-150.png?Content-type=image/png"
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}]
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});
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function makeTestURL(manifest) {
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const url = new URL(defaultURL);
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const body = `<link rel="manifest" href='${defaultURL}&body=${manifest}'>`;
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url.searchParams.set("Content-Type", "text/html; charset=utf-8");
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url.searchParams.set("body", encodeURIComponent(body));
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return url.href;
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}
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function getIconColor(icon) {
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return new Promise((resolve, reject) => {
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const canvas = content.document.createElement('canvas');
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const ctx = canvas.getContext("2d");
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const image = new content.Image();
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image.onload = function() {
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ctx.drawImage(image, 0, 0);
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resolve(ctx.getImageData(1, 1, 1, 1).data);
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};
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image.onerror = function() {
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reject(new Error("could not create image"));
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};
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image.src = icon;
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});
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}
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add_task(function*() {
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const tabOptions = {gBrowser, url: makeTestURL(manifest)};
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yield BrowserTestUtils.withNewTab(tabOptions, function*(browser) {
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const manifest = yield ManifestObtainer.browserObtainManifest(browser);
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let icon = yield ManifestIcons.browserFetchIcon(browser, manifest, 25);
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let color = yield ContentTask.spawn(browser, icon, getIconColor);
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is(color[0], 255, 'Fetched red icon');
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icon = yield ManifestIcons.browserFetchIcon(browser, manifest, 500);
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color = yield ContentTask.spawn(browser, icon, getIconColor);
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is(color[2], 255, 'Fetched blue icon');
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});
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});
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