2018-08-02 07:36:12 +03:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2022-06-06 21:59:44 +03:00
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const lazy = {};
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Bug 1834831 - update imports of browser/modules JSMs r=webdriver-reviewers,perftest-reviewers,zeid,extension-reviewers,settings-reviewers,pip-reviewers,credential-management-reviewers,devtools-reviewers,fxview-reviewers,sessionstore-reviewers,tabbrowser-reviewers,whimboo,mhowell,sgalich,robwu,sparky,Standard8,mconley,dao,sclements
Differential Revision: https://phabricator.services.mozilla.com/D179169
2023-06-19 21:44:48 +03:00
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ChromeUtils.defineESModuleGetters(lazy, {
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FaviconLoader: "resource:///modules/FaviconLoader.sys.mjs",
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});
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2018-08-02 07:36:12 +03:00
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2023-03-17 10:46:57 +03:00
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export class LinkHandlerChild extends JSWindowActorChild {
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2020-03-03 17:52:20 +03:00
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constructor() {
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super();
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2018-08-02 07:36:12 +03:00
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this.seenTabIcon = false;
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this._iconLoader = null;
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}
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get iconLoader() {
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if (!this._iconLoader) {
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2022-06-06 21:59:44 +03:00
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this._iconLoader = new lazy.FaviconLoader(this);
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2018-08-02 07:36:12 +03:00
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}
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return this._iconLoader;
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}
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addRootIcon() {
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if (
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!this.seenTabIcon &&
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Services.prefs.getBoolPref("browser.chrome.guess_favicon", true) &&
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Services.prefs.getBoolPref("browser.chrome.site_icons", true)
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) {
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// Inject the default icon. Use documentURIObject so that we do the right
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// thing with about:-style error pages. See bug 453442
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2019-11-04 17:48:04 +03:00
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let pageURI = this.document.documentURIObject;
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2018-09-13 16:24:41 +03:00
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if (["http", "https"].includes(pageURI.scheme)) {
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2018-08-02 07:36:12 +03:00
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this.seenTabIcon = true;
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2018-09-13 16:24:41 +03:00
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this.iconLoader.addDefaultIcon(pageURI);
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2018-08-02 07:36:12 +03:00
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}
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}
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}
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onHeadParsed(event) {
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2019-11-04 17:48:04 +03:00
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if (event.target.ownerDocument != this.document) {
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2018-08-02 07:36:12 +03:00
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return;
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}
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// Per spec icons are meant to be in the <head> tag so we should have seen
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// all the icons now so add the root icon if no other tab icons have been
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// seen.
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this.addRootIcon();
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// We're likely done with icon parsing so load the pending icons now.
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if (this._iconLoader) {
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this._iconLoader.onPageShow();
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}
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}
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onPageShow(event) {
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2019-11-04 17:48:04 +03:00
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if (event.target != this.document) {
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2018-08-02 07:36:12 +03:00
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return;
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}
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this.addRootIcon();
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if (this._iconLoader) {
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this._iconLoader.onPageShow();
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}
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}
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onPageHide(event) {
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2019-11-04 17:48:04 +03:00
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if (event.target != this.document) {
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2018-08-02 07:36:12 +03:00
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return;
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}
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if (this._iconLoader) {
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this._iconLoader.onPageHide();
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}
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2018-08-16 20:29:57 +03:00
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this.seenTabIcon = false;
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2018-08-02 07:36:12 +03:00
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}
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onLinkEvent(event) {
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let link = event.target;
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// Ignore sub-frames (bugs 305472, 479408).
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2019-11-04 17:48:04 +03:00
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if (link.ownerGlobal != this.contentWindow) {
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2018-08-02 07:36:12 +03:00
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return;
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}
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let rel = link.rel && link.rel.toLowerCase();
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2018-08-30 11:35:51 +03:00
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// We also check .getAttribute, since an empty href attribute will give us
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// a link.href that is the same as the document.
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if (!rel || !link.href || !link.getAttribute("href")) {
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2018-08-02 07:36:12 +03:00
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return;
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2019-07-05 10:46:28 +03:00
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}
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2018-08-02 07:36:12 +03:00
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// Note: following booleans only work for the current link, not for the
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// whole content
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let iconAdded = false;
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let searchAdded = false;
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let rels = {};
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for (let relString of rel.split(/\s+/)) {
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rels[relString] = true;
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2019-07-05 10:46:28 +03:00
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}
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2018-08-02 07:36:12 +03:00
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for (let relVal in rels) {
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let isRichIcon = false;
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switch (relVal) {
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case "apple-touch-icon":
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case "apple-touch-icon-precomposed":
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case "fluid-icon":
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isRichIcon = true;
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2019-08-08 18:18:49 +03:00
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// fall through
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2018-08-02 07:36:12 +03:00
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case "icon":
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if (iconAdded || link.hasAttribute("mask")) {
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// Masked icons are not supported yet.
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break;
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}
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if (!Services.prefs.getBoolPref("browser.chrome.site_icons", true)) {
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return;
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}
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2018-09-13 16:24:41 +03:00
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if (this.iconLoader.addIconFromLink(link, isRichIcon)) {
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2018-08-02 07:36:12 +03:00
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iconAdded = true;
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if (!isRichIcon) {
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this.seenTabIcon = true;
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}
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}
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break;
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case "search":
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if (
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Services.policies &&
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!Services.policies.isAllowed("installSearchEngine")
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) {
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break;
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}
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if (!searchAdded && event.type == "DOMLinkAdded") {
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let type = link.type && link.type.toLowerCase();
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type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
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2021-02-10 21:12:08 +03:00
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// Note: This protocol list should be kept in sync with
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// the one in OpenSearchEngine's install function.
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2021-04-07 14:10:36 +03:00
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let re = /^https?:/i;
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2018-08-02 07:36:12 +03:00
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if (
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type == "application/opensearchdescription+xml" &&
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link.title &&
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re.test(link.href)
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) {
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let engine = { title: link.title, href: link.href };
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2019-11-04 17:48:04 +03:00
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this.sendAsyncMessage("Link:AddSearch", {
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2018-08-02 07:36:12 +03:00
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engine,
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});
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searchAdded = true;
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}
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}
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break;
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}
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}
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}
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handleEvent(event) {
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switch (event.type) {
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case "pageshow":
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return this.onPageShow(event);
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case "pagehide":
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return this.onPageHide(event);
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case "DOMHeadElementParsed":
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return this.onHeadParsed(event);
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default:
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return this.onLinkEvent(event);
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}
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}
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}
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