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Add Pale Moon
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NTD
Roy Tam
parent
dcd9973243
commit
fe8028fa2e
1173 changed files with 143053 additions and 934 deletions
224
application/palemoon/base/content/browser-feeds.js
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application/palemoon/base/content/browser-feeds.js
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# -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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/**
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* The Feed Handler object manages discovery of RSS/ATOM feeds in web pages
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* and shows UI when they are discovered.
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*/
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var FeedHandler = {
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/* Pale Moon: Address Bar: Feeds
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* The click handler for the Feed icon in the location bar. Opens the
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* subscription page if user is not given a choice of feeds.
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* (Otherwise the list of available feeds will be presented to the
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* user in a popup menu.)
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*/
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onFeedButtonPMClick: function(event) {
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event.stopPropagation();
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if (event.target.hasAttribute("feed") &&
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event.eventPhase == Event.AT_TARGET &&
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(event.button == 0 || event.button == 1)) {
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this.subscribeToFeed(null, event);
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}
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},
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/**
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* The click handler for the Feed icon in the toolbar. Opens the
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* subscription page if user is not given a choice of feeds.
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* (Otherwise the list of available feeds will be presented to the
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* user in a popup menu.)
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*/
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onFeedButtonClick: function(event) {
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event.stopPropagation();
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let feeds = gBrowser.selectedBrowser.feeds || [];
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// If there are multiple feeds, the menu will open, so no need to do
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// anything. If there are no feeds, nothing to do either.
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if (feeds.length != 1)
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return;
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if (event.eventPhase == Event.AT_TARGET &&
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(event.button == 0 || event.button == 1)) {
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this.subscribeToFeed(feeds[0].href, event);
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}
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},
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/** Called when the user clicks on the Subscribe to This Page... menu item.
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* Builds a menu of unique feeds associated with the page, and if there
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* is only one, shows the feed inline in the browser window.
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* @param menuPopup
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* The feed list menupopup to be populated.
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* @returns true if the menu should be shown, false if there was only
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* one feed and the feed should be shown inline in the browser
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* window (do not show the menupopup).
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*/
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buildFeedList: function(menuPopup) {
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var feeds = gBrowser.selectedBrowser.feeds;
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if (feeds == null) {
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// XXX hack -- menu opening depends on setting of an "open"
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// attribute, and the menu refuses to open if that attribute is
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// set (because it thinks it's already open). onpopupshowing gets
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// called after the attribute is unset, and it doesn't get unset
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// if we return false. so we unset it here; otherwise, the menu
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// refuses to work past this point.
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menuPopup.parentNode.removeAttribute("open");
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return false;
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}
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while (menuPopup.firstChild)
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menuPopup.removeChild(menuPopup.firstChild);
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if (feeds.length == 1) {
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var feedButtonPM = document.getElementById("ub-feed-button");
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if (feedButtonPM)
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feedButtonPM.setAttribute("feed", feeds[0].href);
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return false;
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}
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if (feeds.length <= 1)
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return false;
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// Build the menu showing the available feed choices for viewing.
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for (let feedInfo of feeds) {
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var menuItem = document.createElement("menuitem");
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var baseTitle = feedInfo.title || feedInfo.href;
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var labelStr = gNavigatorBundle.getFormattedString("feedShowFeedNew", [baseTitle]);
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menuItem.setAttribute("class", "feed-menuitem");
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menuItem.setAttribute("label", labelStr);
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menuItem.setAttribute("feed", feedInfo.href);
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menuItem.setAttribute("tooltiptext", feedInfo.href);
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menuItem.setAttribute("crop", "center");
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menuPopup.appendChild(menuItem);
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}
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return true;
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},
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/**
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* Subscribe to a given feed. Called when
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* 1. Page has a single feed and user clicks feed icon in location bar
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* 2. Page has a single feed and user selects Subscribe menu item
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* 3. Page has multiple feeds and user selects from feed icon popup
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* 4. Page has multiple feeds and user selects from Subscribe submenu
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* @param href
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* The feed to subscribe to. May be null, in which case the
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* event target's feed attribute is examined.
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* @param event
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* The event this method is handling. Used to decide where
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* to open the preview UI. (Optional, unless href is null)
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*/
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subscribeToFeed: function(href, event) {
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// Just load the feed in the content area to either subscribe or show the
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// preview UI
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if (!href)
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href = event.target.getAttribute("feed");
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urlSecurityCheck(href, gBrowser.contentPrincipal,
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Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
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var feedURI = makeURI(href, document.characterSet);
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// Use the feed scheme so X-Moz-Is-Feed will be set
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// The value doesn't matter
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if (/^https?$/.test(feedURI.scheme))
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href = "feed:" + href;
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this.loadFeed(href, event);
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},
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loadFeed: function(href, event) {
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var feeds = gBrowser.selectedBrowser.feeds;
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try {
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openUILink(href, event, { ignoreAlt: true });
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}
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finally {
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// We might default to a livebookmarks modal dialog,
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// so reset that if the user happens to click it again
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gBrowser.selectedBrowser.feeds = feeds;
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}
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},
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get _feedMenuitem() {
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delete this._feedMenuitem;
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return this._feedMenuitem = document.getElementById("singleFeedMenuitemState");
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},
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get _feedMenupopup() {
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delete this._feedMenupopup;
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return this._feedMenupopup = document.getElementById("multipleFeedsMenuState");
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},
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/**
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* Update the browser UI to show whether or not feeds are available when
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* a page is loaded or the user switches tabs to a page that has feeds.
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*/
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updateFeeds: function() {
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if (this._updateFeedTimeout)
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clearTimeout(this._updateFeedTimeout);
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var feeds = gBrowser.selectedBrowser.feeds;
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var haveFeeds = feeds && feeds.length > 0;
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var feedButtonPM = document.getElementById("ub-feed-button");
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var feedButton = document.getElementById("feed-button");
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if (feedButton)
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feedButton.disabled = !haveFeeds;
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if (feedButtonPM) {
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if (!haveFeeds) {
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feedButtonPM.collapsed = true;
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feedButtonPM.removeAttribute("feed");
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} else {
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feedButtonPM.collapsed = !gPrefService.getBoolPref("browser.urlbar.rss");
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}
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}
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if (!haveFeeds) {
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this._feedMenuitem.setAttribute("disabled", "true");
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this._feedMenuitem.removeAttribute("hidden");
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this._feedMenupopup.setAttribute("hidden", "true");
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return;
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}
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if (feeds.length > 1) {
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if (feedButtonPM)
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feedButtonPM.removeAttribute("feed");
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this._feedMenuitem.setAttribute("hidden", "true");
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this._feedMenupopup.removeAttribute("hidden");
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} else {
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if (feedButtonPM)
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feedButtonPM.setAttribute("feed", feeds[0].href);
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this._feedMenuitem.setAttribute("feed", feeds[0].href);
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this._feedMenuitem.removeAttribute("disabled");
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this._feedMenuitem.removeAttribute("hidden");
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this._feedMenupopup.setAttribute("hidden", "true");
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}
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},
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addFeed: function(link, targetDoc) {
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// find which tab this is for, and set the attribute on the browser
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var browserForLink = gBrowser.getBrowserForDocument(targetDoc);
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if (!browserForLink) {
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// ignore feeds loaded in subframes (see bug 305472)
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return;
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}
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if (!browserForLink.feeds)
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browserForLink.feeds = [];
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browserForLink.feeds.push({ href: link.href, title: link.title });
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// If this addition was for the current browser, update the UI. For
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// background browsers, we'll update on tab switch.
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if (browserForLink == gBrowser.selectedBrowser) {
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var feedButtonPM = document.getElementById("ub-feed-button");
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if (feedButtonPM)
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feedButtonPM.collapsed = !gPrefService.getBoolPref("browser.urlbar.rss");
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// Batch updates to avoid updating the UI for multiple onLinkAdded events
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// fired within 100ms of each other.
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if (this._updateFeedTimeout)
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clearTimeout(this._updateFeedTimeout);
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this._updateFeedTimeout = setTimeout(this.updateFeeds.bind(this), 100);
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}
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}
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};
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