forked from mirrors/gecko-dev
1333 lines
45 KiB
JavaScript
1333 lines
45 KiB
JavaScript
# -*- indent-tabs-mode: nil; js-indent-level: 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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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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const FEEDWRITER_CID = Components.ID("{49bb6593-3aff-4eb3-a068-2712c28bd58e}");
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const FEEDWRITER_CONTRACTID = "@mozilla.org/browser/feeds/result-writer;1";
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function LOG(str) {
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var prefB = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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var shouldLog = false;
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try {
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shouldLog = prefB.getBoolPref("feeds.log");
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}
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catch (ex) {
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}
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if (shouldLog)
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dump("*** Feeds: " + str + "\n");
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}
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/**
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* Wrapper function for nsIIOService::newURI.
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* @param aURLSpec
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* The URL string from which to create an nsIURI.
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* @returns an nsIURI object, or null if the creation of the URI failed.
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*/
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function makeURI(aURLSpec, aCharset) {
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var ios = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService);
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try {
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return ios.newURI(aURLSpec, aCharset, null);
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} catch (ex) { }
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return null;
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}
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const XML_NS = "http://www.w3.org/XML/1998/namespace";
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const HTML_NS = "http://www.w3.org/1999/xhtml";
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const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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const TYPE_MAYBE_FEED = "application/vnd.mozilla.maybe.feed";
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const TYPE_MAYBE_AUDIO_FEED = "application/vnd.mozilla.maybe.audio.feed";
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const TYPE_MAYBE_VIDEO_FEED = "application/vnd.mozilla.maybe.video.feed";
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const URI_BUNDLE = "chrome://browser/locale/feeds/subscribe.properties";
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const PREF_SELECTED_APP = "browser.feeds.handlers.application";
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const PREF_SELECTED_WEB = "browser.feeds.handlers.webservice";
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const PREF_SELECTED_ACTION = "browser.feeds.handler";
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const PREF_SELECTED_READER = "browser.feeds.handler.default";
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const PREF_VIDEO_SELECTED_APP = "browser.videoFeeds.handlers.application";
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const PREF_VIDEO_SELECTED_WEB = "browser.videoFeeds.handlers.webservice";
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const PREF_VIDEO_SELECTED_ACTION = "browser.videoFeeds.handler";
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const PREF_VIDEO_SELECTED_READER = "browser.videoFeeds.handler.default";
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const PREF_AUDIO_SELECTED_APP = "browser.audioFeeds.handlers.application";
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const PREF_AUDIO_SELECTED_WEB = "browser.audioFeeds.handlers.webservice";
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const PREF_AUDIO_SELECTED_ACTION = "browser.audioFeeds.handler";
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const PREF_AUDIO_SELECTED_READER = "browser.audioFeeds.handler.default";
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const PREF_SHOW_FIRST_RUN_UI = "browser.feeds.showFirstRunUI";
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const TITLE_ID = "feedTitleText";
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const SUBTITLE_ID = "feedSubtitleText";
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function getPrefAppForType(t) {
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switch (t) {
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case Ci.nsIFeed.TYPE_VIDEO:
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return PREF_VIDEO_SELECTED_APP;
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case Ci.nsIFeed.TYPE_AUDIO:
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return PREF_AUDIO_SELECTED_APP;
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default:
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return PREF_SELECTED_APP;
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}
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}
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function getPrefWebForType(t) {
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switch (t) {
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case Ci.nsIFeed.TYPE_VIDEO:
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return PREF_VIDEO_SELECTED_WEB;
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case Ci.nsIFeed.TYPE_AUDIO:
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return PREF_AUDIO_SELECTED_WEB;
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default:
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return PREF_SELECTED_WEB;
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}
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}
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function getPrefActionForType(t) {
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switch (t) {
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case Ci.nsIFeed.TYPE_VIDEO:
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return PREF_VIDEO_SELECTED_ACTION;
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case Ci.nsIFeed.TYPE_AUDIO:
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return PREF_AUDIO_SELECTED_ACTION;
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default:
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return PREF_SELECTED_ACTION;
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}
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}
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function getPrefReaderForType(t) {
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switch (t) {
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case Ci.nsIFeed.TYPE_VIDEO:
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return PREF_VIDEO_SELECTED_READER;
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case Ci.nsIFeed.TYPE_AUDIO:
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return PREF_AUDIO_SELECTED_READER;
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default:
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return PREF_SELECTED_READER;
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}
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}
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/**
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* Converts a number of bytes to the appropriate unit that results in a
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* number that needs fewer than 4 digits
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*
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* @return a pair: [new value with 3 sig. figs., its unit]
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*/
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function convertByteUnits(aBytes) {
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var units = ["bytes", "kilobyte", "megabyte", "gigabyte"];
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let unitIndex = 0;
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// convert to next unit if it needs 4 digits (after rounding), but only if
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// we know the name of the next unit
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while ((aBytes >= 999.5) && (unitIndex < units.length - 1)) {
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aBytes /= 1024;
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unitIndex++;
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}
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// Get rid of insignificant bits by truncating to 1 or 0 decimal points
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// 0 -> 0; 1.2 -> 1.2; 12.3 -> 12.3; 123.4 -> 123; 234.5 -> 235
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aBytes = aBytes.toFixed((aBytes > 0) && (aBytes < 100) ? 1 : 0);
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return [aBytes, units[unitIndex]];
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}
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function FeedWriter() {
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this._selectedApp = undefined;
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this._selectedAppMenuItem = null;
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this._defaultHandlerMenuItem = null;
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}
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FeedWriter.prototype = {
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_mimeSvc : Cc["@mozilla.org/mime;1"].
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getService(Ci.nsIMIMEService),
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_getPropertyAsBag: function FW__getPropertyAsBag(container, property) {
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return container.fields.getProperty(property).
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QueryInterface(Ci.nsIPropertyBag2);
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},
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_getPropertyAsString: function FW__getPropertyAsString(container, property) {
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try {
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return container.fields.getPropertyAsAString(property);
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}
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catch (e) {
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}
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return "";
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},
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_setContentText: function FW__setContentText(id, text) {
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var element = this._document.getElementById(id);
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var textNode = text.createDocumentFragment(element);
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while (element.hasChildNodes())
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element.removeChild(element.firstChild);
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element.appendChild(textNode);
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if (text.base) {
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element.setAttributeNS(XML_NS, 'base', text.base.spec);
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}
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},
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/**
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* Safely sets the href attribute on an anchor tag, providing the URI
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* specified can be loaded according to rules.
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* @param element
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* The element to set a URI attribute on
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* @param attribute
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* The attribute of the element to set the URI to, e.g. href or src
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* @param uri
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* The URI spec to set as the href
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*/
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_safeSetURIAttribute:
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function FW__safeSetURIAttribute(element, attribute, uri) {
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var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
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getService(Ci.nsIScriptSecurityManager);
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const flags = Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL;
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try {
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// TODO Is this necessary?
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secman.checkLoadURIStrWithPrincipal(this._feedPrincipal, uri, flags);
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// checkLoadURIStrWithPrincipal will throw if the link URI should not be
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// loaded, either because our feedURI isn't allowed to load it or per
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// the rules specified in |flags|, so we'll never "linkify" the link...
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}
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catch (e) {
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// Not allowed to load this link because secman.checkLoadURIStr threw
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return;
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}
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element.setAttribute(attribute, uri);
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},
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__faviconService: null,
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get _faviconService() {
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if (!this.__faviconService)
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this.__faviconService = Cc["@mozilla.org/browser/favicon-service;1"].
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getService(Ci.nsIFaviconService);
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return this.__faviconService;
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},
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__bundle: null,
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get _bundle() {
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if (!this.__bundle) {
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this.__bundle = Cc["@mozilla.org/intl/stringbundle;1"].
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getService(Ci.nsIStringBundleService).
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createBundle(URI_BUNDLE);
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}
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return this.__bundle;
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},
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_getFormattedString: function FW__getFormattedString(key, params) {
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return this._bundle.formatStringFromName(key, params, params.length);
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},
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_getString: function FW__getString(key) {
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return this._bundle.GetStringFromName(key);
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},
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/* Magic helper methods to be used instead of xbl properties */
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_getSelectedItemFromMenulist: function FW__getSelectedItemFromList(aList) {
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var node = aList.firstChild.firstChild;
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while (node) {
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if (node.localName == "menuitem" && node.getAttribute("selected") == "true")
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return node;
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node = node.nextSibling;
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}
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return null;
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},
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_setCheckboxCheckedState: function FW__setCheckboxCheckedState(aCheckbox, aValue) {
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// see checkbox.xml, xbl bindings are not applied within the sandbox! TODO
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var change = (aValue != (aCheckbox.getAttribute('checked') == 'true'));
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if (aValue)
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aCheckbox.setAttribute('checked', 'true');
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else
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aCheckbox.removeAttribute('checked');
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if (change) {
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var event = this._document.createEvent('Events');
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event.initEvent('CheckboxStateChange', true, true);
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aCheckbox.dispatchEvent(event);
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}
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},
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/**
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* Returns a date suitable for displaying in the feed preview.
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* If the date cannot be parsed, the return value is "false".
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* @param dateString
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* A date as extracted from a feed entry. (entry.updated)
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*/
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_parseDate: function FW__parseDate(dateString) {
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// Convert the date into the user's local time zone
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var dateObj = new Date(dateString);
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// Make sure the date we're given is valid.
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if (!dateObj.getTime())
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return false;
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var dateService = Cc["@mozilla.org/intl/scriptabledateformat;1"].
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getService(Ci.nsIScriptableDateFormat);
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return dateService.FormatDateTime("", dateService.dateFormatLong, dateService.timeFormatNoSeconds,
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dateObj.getFullYear(), dateObj.getMonth()+1, dateObj.getDate(),
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dateObj.getHours(), dateObj.getMinutes(), dateObj.getSeconds());
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},
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/**
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* Returns the feed type.
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*/
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__feedType: null,
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_getFeedType: function FW__getFeedType() {
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if (this.__feedType != null)
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return this.__feedType;
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try {
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// grab the feed because it's got the feed.type in it.
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var container = this._getContainer();
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var feed = container.QueryInterface(Ci.nsIFeed);
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this.__feedType = feed.type;
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return feed.type;
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} catch (ex) { }
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return Ci.nsIFeed.TYPE_FEED;
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},
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/**
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* Maps a feed type to a maybe-feed mimetype.
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*/
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_getMimeTypeForFeedType: function FW__getMimeTypeForFeedType() {
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switch (this._getFeedType()) {
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case Ci.nsIFeed.TYPE_VIDEO:
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return TYPE_MAYBE_VIDEO_FEED;
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case Ci.nsIFeed.TYPE_AUDIO:
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return TYPE_MAYBE_AUDIO_FEED;
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default:
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return TYPE_MAYBE_FEED;
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}
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},
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/**
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* Writes the feed title into the preview document.
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* @param container
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* The feed container
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*/
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_setTitleText: function FW__setTitleText(container) {
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if (container.title) {
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var title = container.title.plainText();
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this._setContentText(TITLE_ID, container.title);
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this._document.title = title;
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}
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var feed = container.QueryInterface(Ci.nsIFeed);
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if (feed && feed.subtitle)
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this._setContentText(SUBTITLE_ID, container.subtitle);
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},
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/**
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* Writes the title image into the preview document if one is present.
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* @param container
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* The feed container
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*/
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_setTitleImage: function FW__setTitleImage(container) {
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try {
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var parts = container.image;
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// Set up the title image (supplied by the feed)
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var feedTitleImage = this._document.getElementById("feedTitleImage");
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this._safeSetURIAttribute(feedTitleImage, "src",
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parts.getPropertyAsAString("url"));
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// Set up the title image link
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var feedTitleLink = this._document.getElementById("feedTitleLink");
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var titleText = this._getFormattedString("linkTitleTextFormat",
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[parts.getPropertyAsAString("title")]);
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var feedTitleText = this._document.getElementById("feedTitleText");
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var titleImageWidth = parseInt(parts.getPropertyAsAString("width")) + 15;
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// Fix the margin on the main title, so that the image doesn't run over
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// the underline
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feedTitleLink.setAttribute('title', titleText);
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feedTitleText.style.marginRight = titleImageWidth + 'px';
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this._safeSetURIAttribute(feedTitleLink, "href",
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parts.getPropertyAsAString("link"));
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}
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catch (e) {
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LOG("Failed to set Title Image (this is benign): " + e);
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}
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},
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/**
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* Writes all entries contained in the feed.
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* @param container
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* The container of entries in the feed
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*/
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_writeFeedContent: function FW__writeFeedContent(container) {
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// Build the actual feed content
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var feed = container.QueryInterface(Ci.nsIFeed);
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if (feed.items.length == 0)
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return;
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var feedContent = this._document.getElementById("feedContent");
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for (var i = 0; i < feed.items.length; ++i) {
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var entry = feed.items.queryElementAt(i, Ci.nsIFeedEntry);
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entry.QueryInterface(Ci.nsIFeedContainer);
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var entryContainer = this._document.createElementNS(HTML_NS, "div");
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entryContainer.className = "entry";
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// If the entry has a title, make it a link
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if (entry.title) {
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var a = this._document.createElementNS(HTML_NS, "a");
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var span = this._document.createElementNS(HTML_NS, "span");
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a.appendChild(span);
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if (entry.title.base)
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span.setAttributeNS(XML_NS, "base", entry.title.base.spec);
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span.appendChild(entry.title.createDocumentFragment(a));
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// Entries are not required to have links, so entry.link can be null.
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if (entry.link)
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this._safeSetURIAttribute(a, "href", entry.link.spec);
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var title = this._document.createElementNS(HTML_NS, "h3");
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title.appendChild(a);
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var lastUpdated = this._parseDate(entry.updated);
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if (lastUpdated) {
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var dateDiv = this._document.createElementNS(HTML_NS, "div");
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dateDiv.className = "lastUpdated";
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dateDiv.textContent = lastUpdated;
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title.appendChild(dateDiv);
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}
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entryContainer.appendChild(title);
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}
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var body = this._document.createElementNS(HTML_NS, "div");
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var summary = entry.summary || entry.content;
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var docFragment = null;
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if (summary) {
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if (summary.base)
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body.setAttributeNS(XML_NS, "base", summary.base.spec);
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else
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LOG("no base?");
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docFragment = summary.createDocumentFragment(body);
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if (docFragment)
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body.appendChild(docFragment);
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// If the entry doesn't have a title, append a # permalink
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// See http://scripting.com/rss.xml for an example
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if (!entry.title && entry.link) {
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var a = this._document.createElementNS(HTML_NS, "a");
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a.appendChild(this._document.createTextNode("#"));
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this._safeSetURIAttribute(a, "href", entry.link.spec);
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body.appendChild(this._document.createTextNode(" "));
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body.appendChild(a);
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}
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}
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body.className = "feedEntryContent";
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entryContainer.appendChild(body);
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if (entry.enclosures && entry.enclosures.length > 0) {
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var enclosuresDiv = this._buildEnclosureDiv(entry);
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entryContainer.appendChild(enclosuresDiv);
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}
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var clearDiv = this._document.createElementNS(HTML_NS, "div");
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clearDiv.style.clear = "both";
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feedContent.appendChild(entryContainer);
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feedContent.appendChild(clearDiv);
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}
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},
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/**
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* Takes a url to a media item and returns the best name it can come up with.
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* Frequently this is the filename portion (e.g. passing in
|
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* http://example.com/foo.mpeg would return "foo.mpeg"), but in more complex
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* cases, this will return the entire url (e.g. passing in
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* http://example.com/somedirectory/ would return
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* http://example.com/somedirectory/).
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* @param aURL
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* The URL string from which to create a display name
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* @returns a string
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*/
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_getURLDisplayName: function FW__getURLDisplayName(aURL) {
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var url = makeURI(aURL);
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url.QueryInterface(Ci.nsIURL);
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if (url == null || url.fileName.length == 0)
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return decodeURIComponent(aURL);
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return decodeURIComponent(url.fileName);
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},
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/**
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* Takes a FeedEntry with enclosures, generates the HTML code to represent
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* them, and returns that.
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* @param entry
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* FeedEntry with enclosures
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* @returns element
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*/
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_buildEnclosureDiv: function FW__buildEnclosureDiv(entry) {
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var enclosuresDiv = this._document.createElementNS(HTML_NS, "div");
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enclosuresDiv.className = "enclosures";
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enclosuresDiv.appendChild(this._document.createTextNode(this._getString("mediaLabel")));
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var roundme = function(n) {
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return (Math.round(n * 100) / 100).toLocaleString();
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}
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for (var i_enc = 0; i_enc < entry.enclosures.length; ++i_enc) {
|
|
var enc = entry.enclosures.queryElementAt(i_enc, Ci.nsIWritablePropertyBag2);
|
|
|
|
if (!(enc.hasKey("url")))
|
|
continue;
|
|
|
|
var enclosureDiv = this._document.createElementNS(HTML_NS, "div");
|
|
enclosureDiv.setAttribute("class", "enclosure");
|
|
|
|
var mozicon = "moz-icon://.txt?size=16";
|
|
var type_text = null;
|
|
var size_text = null;
|
|
|
|
if (enc.hasKey("type")) {
|
|
type_text = enc.get("type");
|
|
try {
|
|
var handlerInfoWrapper = this._mimeSvc.getFromTypeAndExtension(enc.get("type"), null);
|
|
|
|
if (handlerInfoWrapper)
|
|
type_text = handlerInfoWrapper.description;
|
|
|
|
if (type_text && type_text.length > 0)
|
|
mozicon = "moz-icon://goat?size=16&contentType=" + enc.get("type");
|
|
|
|
} catch (ex) { }
|
|
|
|
}
|
|
|
|
if (enc.hasKey("length") && /^[0-9]+$/.test(enc.get("length"))) {
|
|
var enc_size = convertByteUnits(parseInt(enc.get("length")));
|
|
|
|
var size_text = this._getFormattedString("enclosureSizeText",
|
|
[enc_size[0], this._getString(enc_size[1])]);
|
|
}
|
|
|
|
var iconimg = this._document.createElementNS(HTML_NS, "img");
|
|
iconimg.setAttribute("src", mozicon);
|
|
iconimg.setAttribute("class", "type-icon");
|
|
enclosureDiv.appendChild(iconimg);
|
|
|
|
enclosureDiv.appendChild(this._document.createTextNode( " " ));
|
|
|
|
var enc_href = this._document.createElementNS(HTML_NS, "a");
|
|
enc_href.appendChild(this._document.createTextNode(this._getURLDisplayName(enc.get("url"))));
|
|
this._safeSetURIAttribute(enc_href, "href", enc.get("url"));
|
|
enclosureDiv.appendChild(enc_href);
|
|
|
|
if (type_text && size_text)
|
|
enclosureDiv.appendChild(this._document.createTextNode( " (" + type_text + ", " + size_text + ")"));
|
|
|
|
else if (type_text)
|
|
enclosureDiv.appendChild(this._document.createTextNode( " (" + type_text + ")"))
|
|
|
|
else if (size_text)
|
|
enclosureDiv.appendChild(this._document.createTextNode( " (" + size_text + ")"))
|
|
|
|
enclosuresDiv.appendChild(enclosureDiv);
|
|
}
|
|
|
|
return enclosuresDiv;
|
|
},
|
|
|
|
/**
|
|
* Gets a valid nsIFeedContainer object from the parsed nsIFeedResult.
|
|
* Displays error information if there was one.
|
|
* @returns A valid nsIFeedContainer object containing the contents of
|
|
* the feed.
|
|
*/
|
|
_getContainer: function FW__getContainer() {
|
|
var feedService =
|
|
Cc["@mozilla.org/browser/feeds/result-service;1"].
|
|
getService(Ci.nsIFeedResultService);
|
|
|
|
try {
|
|
var result =
|
|
feedService.getFeedResult(this._getOriginalURI(this._window));
|
|
}
|
|
catch (e) {
|
|
LOG("Subscribe Preview: feed not available?!");
|
|
}
|
|
|
|
if (result.bozo) {
|
|
LOG("Subscribe Preview: feed result is bozo?!");
|
|
}
|
|
|
|
try {
|
|
var container = result.doc;
|
|
}
|
|
catch (e) {
|
|
LOG("Subscribe Preview: no result.doc? Why didn't the original reload?");
|
|
return null;
|
|
}
|
|
return container;
|
|
},
|
|
|
|
/**
|
|
* Get the human-readable display name of a file. This could be the
|
|
* application name.
|
|
* @param file
|
|
* A nsIFile to look up the name of
|
|
* @returns The display name of the application represented by the file.
|
|
*/
|
|
_getFileDisplayName: function FW__getFileDisplayName(file) {
|
|
#ifdef XP_WIN
|
|
if (file instanceof Ci.nsILocalFileWin) {
|
|
try {
|
|
return file.getVersionInfoField("FileDescription");
|
|
} catch (e) {}
|
|
}
|
|
#endif
|
|
#ifdef XP_MACOSX
|
|
if (file instanceof Ci.nsILocalFileMac) {
|
|
try {
|
|
return file.bundleDisplayName;
|
|
} catch (e) {}
|
|
}
|
|
#endif
|
|
return file.leafName;
|
|
},
|
|
|
|
/**
|
|
* Get moz-icon url for a file
|
|
* @param file
|
|
* A nsIFile object for which the moz-icon:// is returned
|
|
* @returns moz-icon url of the given file as a string
|
|
*/
|
|
_getFileIconURL: function FW__getFileIconURL(file) {
|
|
var ios = Cc["@mozilla.org/network/io-service;1"].
|
|
getService(Ci.nsIIOService);
|
|
var fph = ios.getProtocolHandler("file")
|
|
.QueryInterface(Ci.nsIFileProtocolHandler);
|
|
var urlSpec = fph.getURLSpecFromFile(file);
|
|
return "moz-icon://" + urlSpec + "?size=16";
|
|
},
|
|
|
|
/**
|
|
* Helper method to set the selected application and system default
|
|
* reader menuitems details from a file object
|
|
* @param aMenuItem
|
|
* The menuitem on which the attributes should be set
|
|
* @param aFile
|
|
* The menuitem's associated file
|
|
*/
|
|
_initMenuItemWithFile: function(aMenuItem, aFile) {
|
|
var label = this._getFileDisplayName(aFile);
|
|
var image = this._getFileIconURL(aFile);
|
|
aMenuitem.setAttribute('label', label);
|
|
aMenuitem.setAttribute('image', image);
|
|
},
|
|
|
|
/**
|
|
* Helper method to get an element in the XBL binding where the handler
|
|
* selection UI lives
|
|
*/
|
|
_getUIElement: function FW__getUIElement(id) {
|
|
return this._document.getAnonymousElementByAttribute(
|
|
this._document.getElementById("feedSubscribeLine"), "anonid", id);
|
|
},
|
|
|
|
/**
|
|
* Displays a prompt from which the user may choose a (client) feed reader.
|
|
* @param aCallback the callback method, passes in true if a feed reader was
|
|
* selected, false otherwise.
|
|
*/
|
|
_chooseClientApp: function FW__chooseClientApp(aCallback) {
|
|
try {
|
|
let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
|
|
let fpCallback = function fpCallback_done(aResult) {
|
|
if (aResult == Ci.nsIFilePicker.returnOK) {
|
|
this._selectedApp = fp.file;
|
|
if (this._selectedApp) {
|
|
// XXXben - we need to compare this with the running instance
|
|
// executable just don't know how to do that via script
|
|
// XXXmano TBD: can probably add this to nsIShellService
|
|
#ifdef XP_WIN
|
|
#expand if (fp.file.leafName != "__MOZ_APP_NAME__.exe") {
|
|
#else
|
|
#ifdef XP_MACOSX
|
|
#expand if (fp.file.leafName != "__MOZ_MACBUNDLE_NAME__") {
|
|
#else
|
|
#expand if (fp.file.leafName != "__MOZ_APP_NAME__-bin") {
|
|
#endif
|
|
#endif
|
|
this._initMenuItemWithFile(this._selectedAppMenuItem,
|
|
this._selectedApp);
|
|
|
|
// Show and select the selected application menuitem
|
|
this._selectedAppMenuItem.hidden = false;
|
|
this._selectedAppMenuItem.doCommand();
|
|
if (aCallback) {
|
|
aCallback(true);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (aCallback) {
|
|
aCallback(false);
|
|
}
|
|
}.bind(this);
|
|
|
|
fp.init(this._window, this._getString("chooseApplicationDialogTitle"),
|
|
Ci.nsIFilePicker.modeOpen);
|
|
fp.appendFilters(Ci.nsIFilePicker.filterApps);
|
|
fp.open(fpCallback);
|
|
} catch(ex) {
|
|
}
|
|
},
|
|
|
|
_setAlwaysUseCheckedState: function FW__setAlwaysUseCheckedState(feedType) {
|
|
var checkbox = this._getUIElement("alwaysUse");
|
|
if (checkbox) {
|
|
var alwaysUse = false;
|
|
try {
|
|
if (Services.prefs.getCharPref(getPrefActionForType(feedType)) != "ask")
|
|
alwaysUse = true;
|
|
}
|
|
catch(ex) { }
|
|
this._setCheckboxCheckedState(checkbox, alwaysUse);
|
|
}
|
|
},
|
|
|
|
_setSubscribeUsingLabel: function FW__setSubscribeUsingLabel() {
|
|
var stringLabel = "subscribeFeedUsing";
|
|
switch (this._getFeedType()) {
|
|
case Ci.nsIFeed.TYPE_VIDEO:
|
|
stringLabel = "subscribeVideoPodcastUsing";
|
|
break;
|
|
|
|
case Ci.nsIFeed.TYPE_AUDIO:
|
|
stringLabel = "subscribeAudioPodcastUsing";
|
|
break;
|
|
}
|
|
|
|
var subscribeUsing = this._getUIElement("subscribeUsingDescription");
|
|
var label = this._getString(stringLabel);
|
|
subscribeUsing.setAttribute('value', label);
|
|
},
|
|
|
|
_setAlwaysUseLabel: function FW__setAlwaysUseLabel() {
|
|
var checkbox = this._getUIElement("alwaysUse");
|
|
if (checkbox) {
|
|
if (this._handlersMenuList) {
|
|
var handlerName = this._getSelectedItemFromMenulist(this._handlersMenuList)
|
|
.getAttribute("label");
|
|
var stringLabel = "alwaysUseForFeeds";
|
|
switch (this._getFeedType()) {
|
|
case Ci.nsIFeed.TYPE_VIDEO:
|
|
stringLabel = "alwaysUseForVideoPodcasts";
|
|
break;
|
|
|
|
case Ci.nsIFeed.TYPE_AUDIO:
|
|
stringLabel = "alwaysUseForAudioPodcasts";
|
|
break;
|
|
}
|
|
|
|
var label = this._getFormattedString(stringLabel, [handlerName]);
|
|
|
|
checkbox.setAttribute('label', label);
|
|
}
|
|
}
|
|
},
|
|
|
|
// nsIDomEventListener
|
|
handleEvent: function(event) {
|
|
if (event.target.ownerDocument != this._document) {
|
|
LOG("FeedWriter.handleEvent: Someone passed the feed writer as a listener to the events of another document!");
|
|
return;
|
|
}
|
|
|
|
if (event.type == "command") {
|
|
switch (event.target.getAttribute("anonid")) {
|
|
case "subscribeButton":
|
|
this.subscribe();
|
|
break;
|
|
case "chooseApplicationMenuItem":
|
|
/* Bug 351263: Make sure to not steal focus if the "Choose
|
|
* Application" item is being selected with the keyboard. We do this
|
|
* by ignoring command events while the dropdown is closed (user
|
|
* arrowing through the combobox), but handling them while the
|
|
* combobox dropdown is open (user pressed enter when an item was
|
|
* selected). If we don't show the filepicker here, it will be shown
|
|
* when clicking "Subscribe Now".
|
|
*/
|
|
var popupbox = this._handlersMenuList.firstChild.boxObject;
|
|
if (popupbox.popupState == "hiding") {
|
|
this._chooseClientApp(function(aResult) {
|
|
if (!aResult) {
|
|
// Select the (per-prefs) selected handler if no application
|
|
// was selected
|
|
this._setSelectedHandler(this._getFeedType());
|
|
}
|
|
}.bind(this));
|
|
}
|
|
break;
|
|
default:
|
|
this._setAlwaysUseLabel();
|
|
}
|
|
}
|
|
},
|
|
|
|
_setSelectedHandler: function FW__setSelectedHandler(feedType) {
|
|
var prefs = Services.prefs;
|
|
var handler = "bookmarks";
|
|
try {
|
|
handler = prefs.getCharPref(getPrefReaderForType(feedType));
|
|
}
|
|
catch (ex) { }
|
|
|
|
switch (handler) {
|
|
case "web": {
|
|
if (this._handlersMenuList) {
|
|
var url;
|
|
try {
|
|
url = prefs.getComplexValue(getPrefWebForType(feedType), Ci.nsISupportsString).data;
|
|
} catch (ex) {
|
|
LOG("FeedWriter._setSelectedHandler: invalid or no handler in prefs");
|
|
return;
|
|
}
|
|
var handlers =
|
|
this._handlersMenuList.getElementsByAttribute("webhandlerurl", url);
|
|
if (handlers.length == 0) {
|
|
LOG("FeedWriter._setSelectedHandler: selected web handler isn't in the menulist")
|
|
return;
|
|
}
|
|
|
|
handlers[0].doCommand();
|
|
}
|
|
break;
|
|
}
|
|
case "client": {
|
|
try {
|
|
this._selectedApp =
|
|
prefs.getComplexValue(getPrefAppForType(feedType), Ci.nsILocalFile);
|
|
}
|
|
catch(ex) {
|
|
this._selectedApp = null;
|
|
}
|
|
|
|
if (this._selectedApp) {
|
|
this._initMenuItemWithFile(this._selectedAppMenuItem,
|
|
this._selectedApp);
|
|
this._selectedAppMenuItem.hidden = false;
|
|
this._selectedAppMenuItem.doCommand();
|
|
|
|
// Only show the default reader menuitem if the default reader
|
|
// isn't the selected application
|
|
if (this._defaultSystemReader) {
|
|
var shouldHide =
|
|
this._defaultSystemReader.path == this._selectedApp.path;
|
|
this._defaultHandlerMenuItem.hidden = shouldHide;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
case "bookmarks":
|
|
default: {
|
|
var liveBookmarksMenuItem = this._getUIElement("liveBookmarksMenuItem");
|
|
if (liveBookmarksMenuItem)
|
|
liveBookmarksMenuItem.doCommand();
|
|
}
|
|
}
|
|
},
|
|
|
|
_initSubscriptionUI: function FW__initSubscriptionUI() {
|
|
var handlersMenuPopup = this._getUIElement("handlersMenuPopup");
|
|
if (!handlersMenuPopup)
|
|
return;
|
|
|
|
var feedType = this._getFeedType();
|
|
|
|
// change the background
|
|
var header = this._document.getElementById("feedHeader");
|
|
switch (feedType) {
|
|
case Ci.nsIFeed.TYPE_VIDEO:
|
|
header.className = 'videoPodcastBackground';
|
|
break;
|
|
|
|
case Ci.nsIFeed.TYPE_AUDIO:
|
|
header.className = 'audioPodcastBackground';
|
|
break;
|
|
|
|
default:
|
|
header.className = 'feedBackground';
|
|
}
|
|
|
|
var liveBookmarksMenuItem = this._getUIElement("liveBookmarksMenuItem");
|
|
|
|
// Last-selected application
|
|
var menuItem = liveBookmarksMenuItem.cloneNode(false);
|
|
menuItem.removeAttribute("selected");
|
|
menuItem.setAttribute("anonid", "selectedAppMenuItem");
|
|
menuItem.className = "menuitem-iconic selectedAppMenuItem";
|
|
menuItem.setAttribute("handlerType", "client");
|
|
try {
|
|
this._selectedApp = Services.prefs.getComplexValue(getPrefAppForType(feedType),
|
|
Ci.nsILocalFile);
|
|
|
|
if (this._selectedApp.exists())
|
|
this._initMenuItemWithFile(menuItem, this._selectedApp);
|
|
else {
|
|
// Hide the menuitem if the last selected application doesn't exist
|
|
menuItem.setAttribute("hidden", true);
|
|
}
|
|
}
|
|
catch(ex) {
|
|
// Hide the menuitem until an application is selected
|
|
menuItem.setAttribute("hidden", true);
|
|
}
|
|
this._selectedAppMenuItem = menuItem;
|
|
|
|
handlersMenuPopup.appendChild(this._selectedAppMenuItem);
|
|
|
|
// List the default feed reader
|
|
try {
|
|
this._defaultSystemReader = Cc["@mozilla.org/browser/shell-service;1"].
|
|
getService(Ci.nsIShellService).
|
|
defaultFeedReader;
|
|
menuItem = liveBookmarksMenuItem.cloneNode(false);
|
|
menuItem.removeAttribute("selected");
|
|
menuItem.setAttribute("anonid", "defaultHandlerMenuItem");
|
|
menuItem.className = "menuitem-iconic defaultHandlerMenuItem";
|
|
menuItem.setAttribute("handlerType", "client");
|
|
|
|
this._initMenuItemWithFile(menuItem, this._defaultSystemReader);
|
|
|
|
// Hide the default reader item if it points to the same application
|
|
// as the last-selected application
|
|
if (this._selectedApp &&
|
|
this._selectedApp.path == this._defaultSystemReader.path)
|
|
menuItem.hidden = true;
|
|
}
|
|
catch(ex) { menuItem = null; /* no default reader */ }
|
|
|
|
if (menuItem) {
|
|
this._defaultHandlerMenuItem = menuItem;
|
|
handlersMenuPopup.appendChild(this._defaultHandlerMenuItem);
|
|
}
|
|
|
|
// "Choose Application..." menuitem
|
|
menuItem = liveBookmarksMenuItem.cloneNode(false);
|
|
menuItem.removeAttribute("selected");
|
|
menuItem.setAttribute("anonid", "chooseApplicationMenuItem");
|
|
menuItem.className = "menuitem-iconic chooseApplicationMenuItem";
|
|
menuItem.setAttribute("label", this._getString("chooseApplicationMenuItem"));
|
|
|
|
handlersMenuPopup.appendChild(menuItem);
|
|
|
|
// separator
|
|
var chooseAppSep = liveBookmarksMenuItem.nextSibling.cloneNode(false);
|
|
handlersMenuPopup.appendChild(chooseAppSep);
|
|
|
|
// FIXME: getting a list of webhandlers doesn't work in the content process
|
|
// right now, see bug 1109714.
|
|
if (Services.appinfo.processType != Services.appinfo.PROCESS_TYPE_CONTENT) {
|
|
// List of web handlers
|
|
var wccr = Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
|
|
getService(Ci.nsIWebContentConverterService);
|
|
var handlers = wccr.getContentHandlers(this._getMimeTypeForFeedType(feedType));
|
|
if (handlers.length != 0) {
|
|
for (var i = 0; i < handlers.length; ++i) {
|
|
if (!handlers[i].uri) {
|
|
LOG("Handler with name " + handlers[i].name + " has no URI!? Skipping...");
|
|
continue;
|
|
}
|
|
menuItem = liveBookmarksMenuItem.cloneNode(false);
|
|
menuItem.removeAttribute("selected");
|
|
menuItem.className = "menuitem-iconic";
|
|
menuItem.setAttribute("label", handlers[i].name);
|
|
menuItem.setAttribute("handlerType", "web");
|
|
menuItem.setAttribute("webhandlerurl", handlers[i].uri);
|
|
handlersMenuPopup.appendChild(menuItem);
|
|
|
|
this._setFaviconForWebReader(handlers[i].uri, menuItem);
|
|
}
|
|
}
|
|
}
|
|
|
|
this._setSelectedHandler(feedType);
|
|
|
|
// "Subscribe using..."
|
|
this._setSubscribeUsingLabel();
|
|
|
|
// "Always use..." checkbox initial state
|
|
this._setAlwaysUseCheckedState(feedType);
|
|
this._setAlwaysUseLabel();
|
|
|
|
// We update the "Always use.." checkbox label whenever the selected item
|
|
// in the list is changed
|
|
handlersMenuPopup.addEventListener("command", this, false);
|
|
|
|
// Set up the "Subscribe Now" button
|
|
this._getUIElement("subscribeButton")
|
|
.addEventListener("command", this, false);
|
|
|
|
// first-run ui
|
|
var showFirstRunUI = true;
|
|
try {
|
|
showFirstRunUI = Services.prefs.getBoolPref(PREF_SHOW_FIRST_RUN_UI);
|
|
}
|
|
catch (ex) { }
|
|
if (showFirstRunUI) {
|
|
var textfeedinfo1, textfeedinfo2;
|
|
switch (feedType) {
|
|
case Ci.nsIFeed.TYPE_VIDEO:
|
|
textfeedinfo1 = "feedSubscriptionVideoPodcast1";
|
|
textfeedinfo2 = "feedSubscriptionVideoPodcast2";
|
|
break;
|
|
case Ci.nsIFeed.TYPE_AUDIO:
|
|
textfeedinfo1 = "feedSubscriptionAudioPodcast1";
|
|
textfeedinfo2 = "feedSubscriptionAudioPodcast2";
|
|
break;
|
|
default:
|
|
textfeedinfo1 = "feedSubscriptionFeed1";
|
|
textfeedinfo2 = "feedSubscriptionFeed2";
|
|
}
|
|
|
|
var feedinfo1 = this._document.getElementById("feedSubscriptionInfo1");
|
|
var feedinfo1Str = this._getString(textfeedinfo1);
|
|
var feedinfo2 = this._document.getElementById("feedSubscriptionInfo2");
|
|
var feedinfo2Str = this._getString(textfeedinfo2);
|
|
|
|
feedinfo1.textContent = feedinfo1Str;
|
|
feedinfo2.textContent = feedinfo2Str;
|
|
|
|
header.setAttribute('firstrun', 'true');
|
|
|
|
this._mm.sendAsyncMessage("FeedWriter:ShownFirstRun");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns the original URI object of the feed and ensures that this
|
|
* component is only ever invoked from the preview document.
|
|
* @param aWindow
|
|
* The window of the document invoking the BrowserFeedWriter
|
|
*/
|
|
_getOriginalURI: function FW__getOriginalURI(aWindow) {
|
|
var chan = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).
|
|
getInterface(Ci.nsIWebNavigation).
|
|
QueryInterface(Ci.nsIDocShell).currentDocumentChannel;
|
|
|
|
var nullPrincipal = Cc["@mozilla.org/nullprincipal;1"].
|
|
createInstance(Ci.nsIPrincipal);
|
|
|
|
var resolvedURI = Cc["@mozilla.org/network/io-service;1"].
|
|
getService(Ci.nsIIOService).
|
|
newChannel2("about:feeds",
|
|
null,
|
|
null,
|
|
null, // aLoadingNode
|
|
nullPrincipal,
|
|
null, // aTriggeringPrincipal
|
|
Ci.nsILoadInfo.SEC_NORMAL,
|
|
Ci.nsIContentPolicy.TYPE_OTHER).URI;
|
|
|
|
if (resolvedURI.equals(chan.URI))
|
|
return chan.originalURI;
|
|
|
|
return null;
|
|
},
|
|
|
|
_window: null,
|
|
_document: null,
|
|
_feedURI: null,
|
|
_feedPrincipal: null,
|
|
_handlersMenuList: null,
|
|
|
|
// BrowserFeedWriter WebIDL methods
|
|
init: function FW_init(aWindow) {
|
|
var window = aWindow;
|
|
this._feedURI = this._getOriginalURI(window);
|
|
if (!this._feedURI)
|
|
return;
|
|
|
|
this._window = window;
|
|
this._document = window.document;
|
|
this._document.getElementById("feedSubscribeLine").offsetTop;
|
|
this._handlersMenuList = this._getUIElement("handlersMenuList");
|
|
|
|
var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
|
|
getService(Ci.nsIScriptSecurityManager);
|
|
this._feedPrincipal = secman.getSimpleCodebasePrincipal(this._feedURI);
|
|
|
|
LOG("Subscribe Preview: feed uri = " + this._window.location.href);
|
|
|
|
// Set up the subscription UI
|
|
this._initSubscriptionUI();
|
|
let prefs = Services.prefs;
|
|
prefs.addObserver(PREF_SELECTED_ACTION, this, false);
|
|
prefs.addObserver(PREF_SELECTED_READER, this, false);
|
|
prefs.addObserver(PREF_SELECTED_WEB, this, false);
|
|
prefs.addObserver(PREF_SELECTED_APP, this, false);
|
|
prefs.addObserver(PREF_VIDEO_SELECTED_ACTION, this, false);
|
|
prefs.addObserver(PREF_VIDEO_SELECTED_READER, this, false);
|
|
prefs.addObserver(PREF_VIDEO_SELECTED_WEB, this, false);
|
|
prefs.addObserver(PREF_VIDEO_SELECTED_APP, this, false);
|
|
|
|
prefs.addObserver(PREF_AUDIO_SELECTED_ACTION, this, false);
|
|
prefs.addObserver(PREF_AUDIO_SELECTED_READER, this, false);
|
|
prefs.addObserver(PREF_AUDIO_SELECTED_WEB, this, false);
|
|
prefs.addObserver(PREF_AUDIO_SELECTED_APP, this, false);
|
|
},
|
|
|
|
writeContent: function FW_writeContent() {
|
|
if (!this._window)
|
|
return;
|
|
|
|
try {
|
|
// Set up the feed content
|
|
var container = this._getContainer();
|
|
if (!container)
|
|
return;
|
|
|
|
this._setTitleText(container);
|
|
this._setTitleImage(container);
|
|
this._writeFeedContent(container);
|
|
}
|
|
finally {
|
|
this._removeFeedFromCache();
|
|
}
|
|
},
|
|
|
|
close: function FW_close() {
|
|
this._getUIElement("handlersMenuPopup")
|
|
.removeEventListener("command", this, false);
|
|
this._getUIElement("subscribeButton")
|
|
.removeEventListener("command", this, false);
|
|
this._document = null;
|
|
this._window = null;
|
|
let prefs = Services.prefs;
|
|
prefs.removeObserver(PREF_SELECTED_ACTION, this);
|
|
prefs.removeObserver(PREF_SELECTED_READER, this);
|
|
prefs.removeObserver(PREF_SELECTED_WEB, this);
|
|
prefs.removeObserver(PREF_SELECTED_APP, this);
|
|
prefs.removeObserver(PREF_VIDEO_SELECTED_ACTION, this);
|
|
prefs.removeObserver(PREF_VIDEO_SELECTED_READER, this);
|
|
prefs.removeObserver(PREF_VIDEO_SELECTED_WEB, this);
|
|
prefs.removeObserver(PREF_VIDEO_SELECTED_APP, this);
|
|
|
|
prefs.removeObserver(PREF_AUDIO_SELECTED_ACTION, this);
|
|
prefs.removeObserver(PREF_AUDIO_SELECTED_READER, this);
|
|
prefs.removeObserver(PREF_AUDIO_SELECTED_WEB, this);
|
|
prefs.removeObserver(PREF_AUDIO_SELECTED_APP, this);
|
|
|
|
this._removeFeedFromCache();
|
|
this.__faviconService = null;
|
|
this.__bundle = null;
|
|
this._feedURI = null;
|
|
|
|
this._selectedApp = undefined;
|
|
this._selectedAppMenuItem = null;
|
|
this._defaultHandlerMenuItem = null;
|
|
},
|
|
|
|
_removeFeedFromCache: function FW__removeFeedFromCache() {
|
|
if (this._feedURI) {
|
|
var feedService = Cc["@mozilla.org/browser/feeds/result-service;1"].
|
|
getService(Ci.nsIFeedResultService);
|
|
feedService.removeFeedResult(this._feedURI);
|
|
this._feedURI = null;
|
|
}
|
|
},
|
|
|
|
subscribe: function FW_subscribe() {
|
|
var feedType = this._getFeedType();
|
|
|
|
// Subscribe to the feed using the selected handler and save prefs
|
|
var prefs = Services.prefs;
|
|
var defaultHandler = "reader";
|
|
var useAsDefault = this._getUIElement("alwaysUse").getAttribute("checked");
|
|
|
|
var selectedItem = this._getSelectedItemFromMenulist(this._handlersMenuList);
|
|
let subscribeCallback = function() {
|
|
if (selectedItem.hasAttribute("webhandlerurl")) {
|
|
var webURI = selectedItem.getAttribute("webhandlerurl");
|
|
prefs.setCharPref(getPrefReaderForType(feedType), "web");
|
|
|
|
var supportsString = Cc["@mozilla.org/supports-string;1"].
|
|
createInstance(Ci.nsISupportsString);
|
|
supportsString.data = webURI;
|
|
prefs.setComplexValue(getPrefWebForType(feedType), Ci.nsISupportsString,
|
|
supportsString);
|
|
|
|
var wccr = Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
|
|
getService(Ci.nsIWebContentConverterService);
|
|
var handler = wccr.getWebContentHandlerByURI(this._getMimeTypeForFeedType(feedType), webURI);
|
|
if (handler) {
|
|
if (useAsDefault) {
|
|
wccr.setAutoHandler(this._getMimeTypeForFeedType(feedType), handler);
|
|
}
|
|
|
|
this._window.location.href = handler.getHandlerURI(this._window.location.href);
|
|
}
|
|
} else {
|
|
switch (selectedItem.getAttribute("anonid")) {
|
|
case "selectedAppMenuItem":
|
|
prefs.setComplexValue(getPrefAppForType(feedType), Ci.nsILocalFile,
|
|
this._selectedApp);
|
|
prefs.setCharPref(getPrefReaderForType(feedType), "client");
|
|
break;
|
|
case "defaultHandlerMenuItem":
|
|
prefs.setComplexValue(getPrefAppForType(feedType), Ci.nsILocalFile,
|
|
this._defaultSystemReader);
|
|
prefs.setCharPref(getPrefReaderForType(feedType), "client");
|
|
break;
|
|
case "liveBookmarksMenuItem":
|
|
defaultHandler = "bookmarks";
|
|
prefs.setCharPref(getPrefReaderForType(feedType), "bookmarks");
|
|
break;
|
|
}
|
|
var feedService = Cc["@mozilla.org/browser/feeds/result-service;1"].
|
|
getService(Ci.nsIFeedResultService);
|
|
|
|
// Pull the title and subtitle out of the document
|
|
var feedTitle = this._document.getElementById(TITLE_ID).textContent;
|
|
var feedSubtitle = this._document.getElementById(SUBTITLE_ID).textContent;
|
|
feedService.addToClientReader(this._window.location.href, feedTitle, feedSubtitle, feedType);
|
|
}
|
|
|
|
// If "Always use..." is checked, we should set PREF_*SELECTED_ACTION
|
|
// to either "reader" (If a web reader or if an application is selected),
|
|
// or to "bookmarks" (if the live bookmarks option is selected).
|
|
// Otherwise, we should set it to "ask"
|
|
if (useAsDefault) {
|
|
prefs.setCharPref(getPrefActionForType(feedType), defaultHandler);
|
|
} else {
|
|
prefs.setCharPref(getPrefActionForType(feedType), "ask");
|
|
}
|
|
}.bind(this);
|
|
|
|
// Show the file picker before subscribing if the
|
|
// choose application menuitem was chosen using the keyboard
|
|
if (selectedItem.getAttribute("anonid") == "chooseApplicationMenuItem") {
|
|
this._chooseClientApp(function(aResult) {
|
|
if (aResult) {
|
|
selectedItem =
|
|
this._getSelectedItemFromMenulist(this._handlersMenuList);
|
|
subscribeCallback();
|
|
}
|
|
}.bind(this));
|
|
} else {
|
|
subscribeCallback();
|
|
}
|
|
},
|
|
|
|
// nsIObserver
|
|
observe: function FW_observe(subject, topic, data) {
|
|
if (!this._window) {
|
|
// this._window is null unless this.init was called with a trusted
|
|
// window object.
|
|
return;
|
|
}
|
|
|
|
var feedType = this._getFeedType();
|
|
|
|
if (topic == "nsPref:changed") {
|
|
switch (data) {
|
|
case PREF_SELECTED_READER:
|
|
case PREF_SELECTED_WEB:
|
|
case PREF_SELECTED_APP:
|
|
case PREF_VIDEO_SELECTED_READER:
|
|
case PREF_VIDEO_SELECTED_WEB:
|
|
case PREF_VIDEO_SELECTED_APP:
|
|
case PREF_AUDIO_SELECTED_READER:
|
|
case PREF_AUDIO_SELECTED_WEB:
|
|
case PREF_AUDIO_SELECTED_APP:
|
|
this._setSelectedHandler(feedType);
|
|
break;
|
|
case PREF_SELECTED_ACTION:
|
|
case PREF_VIDEO_SELECTED_ACTION:
|
|
case PREF_AUDIO_SELECTED_ACTION:
|
|
this._setAlwaysUseCheckedState(feedType);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Sets the icon for the given web-reader item in the readers menu.
|
|
* The icon is fetched and stored through the favicon service.
|
|
*
|
|
* @param aReaderUrl
|
|
* the reader url.
|
|
* @param aMenuItem
|
|
* the reader item in the readers menulist.
|
|
*
|
|
* @note For privacy reasons we cannot set the image attribute directly
|
|
* to the icon url. See Bug 358878 for details.
|
|
*/
|
|
_setFaviconForWebReader:
|
|
function FW__setFaviconForWebReader(aReaderUrl, aMenuItem) {
|
|
var readerURI = makeURI(aReaderUrl);
|
|
if (!/^https?$/.test(readerURI.scheme)) {
|
|
// Don't try to get a favicon for non http(s) URIs.
|
|
return;
|
|
}
|
|
var faviconURI = makeURI(readerURI.prePath + "/favicon.ico");
|
|
var self = this;
|
|
var usePrivateBrowsing = this._window.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIWebNavigation)
|
|
.QueryInterface(Ci.nsIDocShell)
|
|
.QueryInterface(Ci.nsILoadContext)
|
|
.usePrivateBrowsing;
|
|
this._faviconService.setAndFetchFaviconForPage(readerURI, faviconURI, false,
|
|
usePrivateBrowsing ? this._faviconService.FAVICON_LOAD_PRIVATE
|
|
: this._faviconService.FAVICON_LOAD_NON_PRIVATE,
|
|
function (aURI, aDataLen, aData, aMimeType) {
|
|
if (aDataLen > 0) {
|
|
var dataURL = "data:" + aMimeType + ";base64," +
|
|
btoa(String.fromCharCode.apply(null, aData));
|
|
aMenuItem.setAttribute('image', dataURL);
|
|
}
|
|
});
|
|
},
|
|
|
|
get _mm() {
|
|
let mm = this._window.QueryInterface(Ci.nsIInterfaceRequestor).
|
|
getInterface(Ci.nsIDocShell).
|
|
QueryInterface(Ci.nsIInterfaceRequestor).
|
|
getInterface(Ci.nsIContentFrameMessageManager);
|
|
delete this._mm;
|
|
return this._mm = mm;
|
|
},
|
|
|
|
classID: FEEDWRITER_CID,
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMEventListener, Ci.nsIObserver,
|
|
Ci.nsINavHistoryObserver,
|
|
Ci.nsIDOMGlobalPropertyInitializer])
|
|
};
|
|
|
|
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FeedWriter]);
|