forked from mirrors/gecko-dev
Bug 1503674 - Remove unused PageMetadata. r=Gijs
Differential Revision: https://phabricator.services.mozilla.com/D14678 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Mark Banner
parent
cd5624af54
commit
12331afc41
13 changed files with 0 additions and 481 deletions
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@ -1,33 +0,0 @@
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/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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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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"use strict";
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var EXPORTED_SYMBOLS = ["PageMetadataChild"];
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ChromeUtils.import("resource://gre/actors/ActorChild.jsm");
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ChromeUtils.defineModuleGetter(this, "ContextMenuChild",
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"resource:///modules/ContextMenuChild.jsm");
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ChromeUtils.defineModuleGetter(this, "PageMetadata",
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"resource://gre/modules/PageMetadata.jsm");
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class PageMetadataChild extends ActorChild {
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receiveMessage(message) {
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switch (message.name) {
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case "PageMetadata:GetPageData": {
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let target = ContextMenuChild.getTarget(this.mm, message);
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let result = PageMetadata.getData(this.content.document, target);
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this.mm.sendAsyncMessage("PageMetadata:PageDataResult", result);
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break;
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}
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case "PageMetadata:GetMicroformats": {
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let target = ContextMenuChild.getTarget(this.mm, message);
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let result = PageMetadata.getMicroformats(this.content.document, target);
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this.mm.sendAsyncMessage("PageMetadata:MicroformatsResult", result);
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break;
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}
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}
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}
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}
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@ -40,7 +40,6 @@ FINAL_TARGET_FILES.actors += [
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'NetErrorChild.jsm',
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'NetErrorChild.jsm',
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'OfflineAppsChild.jsm',
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'OfflineAppsChild.jsm',
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'PageInfoChild.jsm',
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'PageInfoChild.jsm',
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'PageMetadataChild.jsm',
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'PageStyleChild.jsm',
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'PageStyleChild.jsm',
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'PluginChild.jsm',
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'PluginChild.jsm',
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'SearchTelemetryChild.jsm',
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'SearchTelemetryChild.jsm',
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@ -349,8 +349,6 @@ skip-if = os == 'win' # Bug 1384127
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# DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
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# DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
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[browser_private_no_prompt.js]
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[browser_private_no_prompt.js]
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# DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
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# DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
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[browser_PageMetaData_pushstate.js]
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# DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
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[browser_refreshBlocker.js]
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[browser_refreshBlocker.js]
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support-files =
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support-files =
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refresh_header.sjs
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refresh_header.sjs
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@ -1,31 +0,0 @@
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/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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add_task(async function() {
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let rooturi = "https://example.com/browser/toolkit/modules/tests/browser/";
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await BrowserTestUtils.openNewForegroundTab(gBrowser, rooturi + "metadata_simple.html");
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await ContentTask.spawn(gBrowser.selectedBrowser, { rooturi }, async function(args) {
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ChromeUtils.import("resource://gre/modules/PageMetadata.jsm");
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let result = PageMetadata.getData(content.document);
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// Result should have description.
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Assert.equal(result.url, args.rooturi + "metadata_simple.html", "metadata url is correct");
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Assert.equal(result.title, "Test Title", "metadata title is correct");
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Assert.equal(result.description, "A very simple test page", "description is correct");
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content.history.pushState({}, "2", "2.html");
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result = PageMetadata.getData(content.document);
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// Result should not have description.
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Assert.equal(result.url, args.rooturi + "2.html", "metadata url is correct");
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Assert.equal(result.title, "Test Title", "metadata title is correct");
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Assert.ok(!result.description, "description is undefined");
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Assert.equal(content.document.documentURI, args.rooturi + "2.html",
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"content.document has correct url");
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});
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is(gBrowser.currentURI.spec, rooturi + "2.html", "gBrowser has correct url");
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gBrowser.removeTab(gBrowser.selectedTab);
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});
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@ -202,16 +202,6 @@ let ACTORS = {
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},
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},
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},
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},
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PageMetadata: {
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child: {
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module: "resource:///actors/PageMetadataChild.jsm",
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messages: [
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"PageMetadata:GetPageData",
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"PageMetadata:GetMicroformats",
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],
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},
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},
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PageStyle: {
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PageStyle: {
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child: {
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child: {
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module: "resource:///actors/PageStyleChild.jsm",
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module: "resource:///actors/PageStyleChild.jsm",
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@ -458,7 +458,6 @@ MessageManagerTunnel.prototype = {
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"PageInfo:",
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"PageInfo:",
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// Messages sent from printUtils.js
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// Messages sent from printUtils.js
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"Printing:",
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"Printing:",
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"PageMetadata:",
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// Messages sent from viewSourceUtils.js
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// Messages sent from viewSourceUtils.js
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"ViewSource:",
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"ViewSource:",
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],
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],
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@ -480,7 +479,6 @@ MessageManagerTunnel.prototype = {
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"PageInfo:",
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"PageInfo:",
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// Messages sent to printUtils.js
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// Messages sent to printUtils.js
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"Printing:",
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"Printing:",
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"PageMetadata:",
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// Messages sent to viewSourceUtils.js
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// Messages sent to viewSourceUtils.js
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"ViewSource:",
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"ViewSource:",
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],
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],
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@ -1,295 +0,0 @@
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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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"use strict";
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var EXPORTED_SYMBOLS = ["PageMetadata"];
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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ChromeUtils.import("resource://gre/modules/microformat-shiv.js");
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XPCOMUtils.defineLazyServiceGetter(this, "UnescapeService",
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"@mozilla.org/feed-unescapehtml;1",
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"nsIScriptableUnescapeHTML");
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/**
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* Maximum number of images to discover in the document, when no preview images
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* are explicitly specified by the metadata.
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* @type {Number}
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*/
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const DISCOVER_IMAGES_MAX = 5;
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/**
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* Extract metadata and microformats from a HTML document.
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* @type {Object}
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*/
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var PageMetadata = {
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/**
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* Get all metadata from an HTML document. This includes:
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* - URL
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* - title
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* - Metadata specified in <meta> tags, including OpenGraph data
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* - Links specified in <link> tags (short, canonical, preview images, alternative)
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* - Content that can be found in the page content that we consider useful metadata
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* - Microformats
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*
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* @param {Document} document - Document to extract data from.
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* @param {Element} [target] - Optional element to restrict microformats lookup to.
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* @returns {Object} Object containing the various metadata, normalized to
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* merge some common alternative names for metadata.
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*/
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getData(document, target = null) {
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let result = {
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url: this._validateURL(document, document.documentURI),
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title: document.title,
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previews: [],
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};
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// if pushState was used to change the url, most likely all meta data is
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// invalid. This is the case with several major sites that rely on
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// pushState. In that case, we'll only return uri and title. If document is
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// via XHR or something, there is no view or history.
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if (document.defaultView) {
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let docshell = document.defaultView.docShell;
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let shentry = {};
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if (docshell.getCurrentSHEntry(shentry) &&
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shentry.value && shentry.value.URIWasModified) {
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return result;
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}
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}
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this._getMetaData(document, result);
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this._getLinkData(document, result);
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this._getPageData(document, result);
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result.microformats = this.getMicroformats(document, target);
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return result;
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},
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getMicroformats(document, target = null) {
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if (target) {
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return Microformats.getParent(target, {node: document});
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}
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return Microformats.get({node: document});
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},
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/**
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* Get metadata as defined in <meta> tags.
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* This adds properties to an existing result object.
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*
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* @param {Document} document - Document to extract data from.
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* @param {Object} result - Existing result object to add properties to.
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*/
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_getMetaData(document, result) {
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// Query for standardized meta data.
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let elements = document.querySelectorAll("head > meta[property], head > meta[name]");
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if (elements.length < 1) {
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return;
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}
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for (let element of elements) {
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let value = element.getAttribute("content");
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if (!value) {
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continue;
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}
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value = UnescapeService.unescape(value.trim());
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let key = element.getAttribute("property") || element.getAttribute("name");
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if (!key) {
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continue;
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}
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// There are a wide array of possible meta tags, expressing articles,
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// products, etc. so all meta tags are passed through but we touch up the
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// most common attributes.
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result[key] = value;
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switch (key) {
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case "title":
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case "og:title": {
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// Only set the title if one hasn't already been obtained (e.g. from the
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// document title element).
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if (!result.title) {
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result.title = value;
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}
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break;
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}
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case "description":
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case "og:description": {
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result.description = value;
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break;
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}
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case "og:site_name": {
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result.siteName = value;
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break;
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}
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case "medium":
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case "og:type": {
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result.medium = value;
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break;
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}
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case "og:video": {
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let url = this._validateURL(document, value);
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if (url) {
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result.source = url;
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}
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break;
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}
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case "og:url": {
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let url = this._validateURL(document, value);
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if (url) {
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result.url = url;
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}
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break;
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}
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case "og:image": {
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let url = this._validateURL(document, value);
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if (url) {
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result.previews.push(url);
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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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},
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/**
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* Get metadata as defined in <link> tags.
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* This adds properties to an existing result object.
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*
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* @param {Document} document - Document to extract data from.
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* @param {Object} result - Existing result object to add properties to.
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*/
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_getLinkData(document, result) {
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let elements = document.querySelectorAll("head > link[rel], head > link[id]");
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for (let element of elements) {
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let url = element.getAttribute("href");
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if (!url) {
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continue;
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}
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url = this._validateURL(document, UnescapeService.unescape(url.trim()));
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let key = element.getAttribute("rel") || element.getAttribute("id");
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if (!key) {
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continue;
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}
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switch (key) {
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case "shorturl":
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case "shortlink": {
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result.shortUrl = url;
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break;
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}
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case "canonicalurl":
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case "canonical": {
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result.url = url;
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break;
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}
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case "image_src": {
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result.previews.push(url);
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break;
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}
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case "alternate": {
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// Expressly for oembed support but we're liberal here and will let
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// other alternate links through. oembed defines an href, supplied by
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// the site, where you can fetch additional meta data about a page.
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// We'll let the client fetch the oembed data themselves, but they
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// need the data from this link.
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if (!result.alternate) {
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result.alternate = [];
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}
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result.alternate.push({
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type: element.getAttribute("type"),
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href: element.getAttribute("href"),
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title: element.getAttribute("title"),
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});
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}
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}
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}
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},
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/**
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* Scrape thought the page content for additional content that may be used to
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* suppliment explicitly defined metadata. This includes:
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* - First few images, when no preview image metadata is explicitly defined.
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*
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* This adds properties to an existing result object.
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*
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* @param {Document} document - Document to extract data from.
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* @param {Object} result - Existing result object to add properties to.
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*/
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_getPageData(document, result) {
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if (result.previews.length < 1) {
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result.previews = this._getImageUrls(document);
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}
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},
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/**
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* Find the first few images in a document, for use as preview images.
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* Will return upto DISCOVER_IMAGES_MAX number of images.
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*
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* @note This is not very clever. It does not (yet) check if any of the
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* images may be appropriate as a preview image.
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*
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* @param {Document} document - Document to extract data from.
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* @return {[string]} Array of URLs.
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*/
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_getImageUrls(document) {
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let result = [];
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let elements = document.querySelectorAll("img");
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for (let element of elements) {
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let src = element.getAttribute("src");
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if (src) {
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result.push(this._validateURL(document, UnescapeService.unescape(src)));
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// We don't want a billion images.
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// TODO: Move this magic number to a const.
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if (result.length > DISCOVER_IMAGES_MAX) {
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break;
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}
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|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return result;
|
|
||||||
},
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Validate a URL. This involves resolving the URL if it's relative to the
|
|
||||||
* document location, ensuring it's using an expected scheme, and stripping
|
|
||||||
* the userPass portion of the URL.
|
|
||||||
*
|
|
||||||
* @param {Document} document - Document to use as the root location for a relative URL.
|
|
||||||
* @param {string} url - URL to validate.
|
|
||||||
* @return {string} Result URL.
|
|
||||||
*/
|
|
||||||
_validateURL(document, url) {
|
|
||||||
let docURI = Services.io.newURI(document.documentURI);
|
|
||||||
let uri = Services.io.newURI(docURI.resolve(url));
|
|
||||||
|
|
||||||
if (!["http", "https"].includes(uri.scheme)) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
uri = uri.mutate()
|
|
||||||
.setUserPass("")
|
|
||||||
.finalize();
|
|
||||||
|
|
||||||
return uri.spec;
|
|
||||||
},
|
|
||||||
};
|
|
||||||
|
|
@ -222,7 +222,6 @@ EXTRA_JS_MODULES += [
|
||||||
'ObjectUtils.jsm',
|
'ObjectUtils.jsm',
|
||||||
'offlineAppCache.jsm',
|
'offlineAppCache.jsm',
|
||||||
'PageMenu.jsm',
|
'PageMenu.jsm',
|
||||||
'PageMetadata.jsm',
|
|
||||||
'PermissionsUtils.jsm',
|
'PermissionsUtils.jsm',
|
||||||
'PopupNotifications.jsm',
|
'PopupNotifications.jsm',
|
||||||
'Preferences.jsm',
|
'Preferences.jsm',
|
||||||
|
|
|
||||||
|
|
@ -1,7 +1,6 @@
|
||||||
[DEFAULT]
|
[DEFAULT]
|
||||||
support-files =
|
support-files =
|
||||||
dummy_page.html
|
dummy_page.html
|
||||||
metadata_*.html
|
|
||||||
file_FinderIframeTest.html
|
file_FinderIframeTest.html
|
||||||
file_FinderSample.html
|
file_FinderSample.html
|
||||||
file_WebNavigation_page1.html
|
file_WebNavigation_page1.html
|
||||||
|
|
@ -51,6 +50,5 @@ skip-if = (verify && debug && (os == 'mac'))
|
||||||
[browser_WebRequest_ancestors.js]
|
[browser_WebRequest_ancestors.js]
|
||||||
[browser_WebRequest_cookies.js]
|
[browser_WebRequest_cookies.js]
|
||||||
[browser_WebRequest_filtering.js]
|
[browser_WebRequest_filtering.js]
|
||||||
[browser_PageMetadata.js]
|
|
||||||
[browser_PromiseMessage.js]
|
[browser_PromiseMessage.js]
|
||||||
[browser_Troubleshoot.js]
|
[browser_Troubleshoot.js]
|
||||||
|
|
|
||||||
|
|
@ -1,73 +0,0 @@
|
||||||
/**
|
|
||||||
* Tests PageMetadata.jsm, which extracts metadata and microdata from a
|
|
||||||
* document.
|
|
||||||
*/
|
|
||||||
|
|
||||||
var {PageMetadata} = ChromeUtils.import("resource://gre/modules/PageMetadata.jsm", {});
|
|
||||||
|
|
||||||
var rootURL = "http://example.com/browser/toolkit/modules/tests/browser/";
|
|
||||||
|
|
||||||
function promiseDocument(fileName) {
|
|
||||||
let url = rootURL + fileName;
|
|
||||||
|
|
||||||
return new Promise((resolve, reject) => {
|
|
||||||
let xhr = new XMLHttpRequest();
|
|
||||||
xhr.onload = () => resolve(xhr.responseXML);
|
|
||||||
xhr.onerror = () => reject(new Error("Error loading document"));
|
|
||||||
xhr.open("GET", url);
|
|
||||||
xhr.responseType = "document";
|
|
||||||
xhr.send();
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Load a simple document.
|
|
||||||
*/
|
|
||||||
add_task(async function simpleDoc() {
|
|
||||||
let fileName = "metadata_simple.html";
|
|
||||||
info(`Loading a simple page, ${fileName}`);
|
|
||||||
|
|
||||||
let doc = await promiseDocument(fileName);
|
|
||||||
Assert.notEqual(doc, null,
|
|
||||||
"Should have a document to analyse");
|
|
||||||
|
|
||||||
let data = PageMetadata.getData(doc);
|
|
||||||
Assert.notEqual(data, null,
|
|
||||||
"Should have non-null result");
|
|
||||||
Assert.equal(data.url, rootURL + fileName,
|
|
||||||
"Should have expected url property");
|
|
||||||
Assert.equal(data.title, "Test Title",
|
|
||||||
"Should have expected title property");
|
|
||||||
Assert.equal(data.description, "A very simple test page",
|
|
||||||
"Should have expected title property");
|
|
||||||
});
|
|
||||||
|
|
||||||
add_task(async function titlesDoc() {
|
|
||||||
let fileName = "metadata_titles.html";
|
|
||||||
info(`Loading titles page, ${fileName}`);
|
|
||||||
|
|
||||||
let doc = await promiseDocument(fileName);
|
|
||||||
Assert.notEqual(doc, null,
|
|
||||||
"Should have a document to analyse");
|
|
||||||
|
|
||||||
let data = PageMetadata.getData(doc);
|
|
||||||
Assert.notEqual(data, null,
|
|
||||||
"Should have non-null result");
|
|
||||||
Assert.equal(data.title, "Test Titles",
|
|
||||||
"Should use the page title, not the open graph title");
|
|
||||||
});
|
|
||||||
|
|
||||||
add_task(async function titlesFallbackDoc() {
|
|
||||||
let fileName = "metadata_titles_fallback.html";
|
|
||||||
info(`Loading titles page, ${fileName}`);
|
|
||||||
|
|
||||||
let doc = await promiseDocument(fileName);
|
|
||||||
Assert.notEqual(doc, null,
|
|
||||||
"Should have a document to analyse");
|
|
||||||
|
|
||||||
let data = PageMetadata.getData(doc);
|
|
||||||
Assert.notEqual(data, null,
|
|
||||||
"Should have non-null result");
|
|
||||||
Assert.equal(data.title, "Title",
|
|
||||||
"Should use the open graph title");
|
|
||||||
});
|
|
||||||
|
|
@ -1,10 +0,0 @@
|
||||||
<!DOCTYPE html>
|
|
||||||
<html>
|
|
||||||
<head>
|
|
||||||
<title>Test Title</title>
|
|
||||||
<meta property="description" content="A very simple test page">
|
|
||||||
</head>
|
|
||||||
<body>
|
|
||||||
Llama.
|
|
||||||
</body>
|
|
||||||
</html>
|
|
||||||
|
|
@ -1,11 +0,0 @@
|
||||||
<!DOCTYPE html>
|
|
||||||
<html>
|
|
||||||
<head>
|
|
||||||
<title>Test Titles</title>
|
|
||||||
<meta property="description" content="A very simple test page" />
|
|
||||||
<meta property="og:title" content="Title" />
|
|
||||||
</head>
|
|
||||||
<body>
|
|
||||||
Llama.
|
|
||||||
</body>
|
|
||||||
</html>
|
|
||||||
|
|
@ -1,10 +0,0 @@
|
||||||
<!DOCTYPE html>
|
|
||||||
<html>
|
|
||||||
<head>
|
|
||||||
<meta property="description" content="A very simple test page" />
|
|
||||||
<meta property="og:title" content="Title" />
|
|
||||||
</head>
|
|
||||||
<body>
|
|
||||||
Llama.
|
|
||||||
</body>
|
|
||||||
</html>
|
|
||||||
Loading…
Reference in a new issue