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-rw-r--r--components/feeds/FeedWriter.js1397
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diff --git a/components/feeds/FeedWriter.js b/components/feeds/FeedWriter.js
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--- a/components/feeds/FeedWriter.js
+++ /dev/null
@@ -1,1397 +0,0 @@
-# -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-const Cc = Components.classes;
-const Ci = Components.interfaces;
-const Cr = Components.results;
-const Cu = Components.utils;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/NetUtil.jsm");
-
-const FEEDWRITER_CID = Components.ID("{49bb6593-3aff-4eb3-a068-2712c28bd58e}");
-const FEEDWRITER_CONTRACTID = "@mozilla.org/browser/feeds/result-writer;1";
-
-function LOG(str) {
- var prefB = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
-
- var shouldLog = prefB.getBoolPref("feeds.log", false);
-
- if (shouldLog)
- dump("*** Feeds: " + str + "\n");
-}
-
-/**
- * Wrapper function for nsIIOService::newURI.
- * @param aURLSpec
- * The URL string from which to create an nsIURI.
- * @returns an nsIURI object, or null if the creation of the URI failed.
- */
-function makeURI(aURLSpec, aCharset) {
- var ios = Cc["@mozilla.org/network/io-service;1"].
- getService(Ci.nsIIOService);
- try {
- return ios.newURI(aURLSpec, aCharset, null);
- } catch (ex) { }
-
- return null;
-}
-
-const XML_NS = "http://www.w3.org/XML/1998/namespace";
-const HTML_NS = "http://www.w3.org/1999/xhtml";
-const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-const TYPE_MAYBE_FEED = "application/vnd.mozilla.maybe.feed";
-const TYPE_MAYBE_AUDIO_FEED = "application/vnd.mozilla.maybe.audio.feed";
-const TYPE_MAYBE_VIDEO_FEED = "application/vnd.mozilla.maybe.video.feed";
-const URI_BUNDLE = "chrome://browser/locale/feeds/subscribe.properties";
-
-const PREF_SELECTED_APP = "browser.feeds.handlers.application";
-const PREF_SELECTED_WEB = "browser.feeds.handlers.webservice";
-const PREF_SELECTED_ACTION = "browser.feeds.handler";
-const PREF_SELECTED_READER = "browser.feeds.handler.default";
-
-const PREF_VIDEO_SELECTED_APP = "browser.videoFeeds.handlers.application";
-const PREF_VIDEO_SELECTED_WEB = "browser.videoFeeds.handlers.webservice";
-const PREF_VIDEO_SELECTED_ACTION = "browser.videoFeeds.handler";
-const PREF_VIDEO_SELECTED_READER = "browser.videoFeeds.handler.default";
-
-const PREF_AUDIO_SELECTED_APP = "browser.audioFeeds.handlers.application";
-const PREF_AUDIO_SELECTED_WEB = "browser.audioFeeds.handlers.webservice";
-const PREF_AUDIO_SELECTED_ACTION = "browser.audioFeeds.handler";
-const PREF_AUDIO_SELECTED_READER = "browser.audioFeeds.handler.default";
-
-const PREF_SHOW_FIRST_RUN_UI = "browser.feeds.showFirstRunUI";
-
-const TITLE_ID = "feedTitleText";
-const SUBTITLE_ID = "feedSubtitleText";
-
-function getPrefAppForType(t) {
- switch (t) {
- case Ci.nsIFeed.TYPE_VIDEO:
- return PREF_VIDEO_SELECTED_APP;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- return PREF_AUDIO_SELECTED_APP;
-
- default:
- return PREF_SELECTED_APP;
- }
-}
-
-function getPrefWebForType(t) {
- switch (t) {
- case Ci.nsIFeed.TYPE_VIDEO:
- return PREF_VIDEO_SELECTED_WEB;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- return PREF_AUDIO_SELECTED_WEB;
-
- default:
- return PREF_SELECTED_WEB;
- }
-}
-
-function getPrefActionForType(t) {
- switch (t) {
- case Ci.nsIFeed.TYPE_VIDEO:
- return PREF_VIDEO_SELECTED_ACTION;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- return PREF_AUDIO_SELECTED_ACTION;
-
- default:
- return PREF_SELECTED_ACTION;
- }
-}
-
-function getPrefReaderForType(t) {
- switch (t) {
- case Ci.nsIFeed.TYPE_VIDEO:
- return PREF_VIDEO_SELECTED_READER;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- return PREF_AUDIO_SELECTED_READER;
-
- default:
- return PREF_SELECTED_READER;
- }
-}
-
-/**
- * Converts a number of bytes to the appropriate unit that results in a
- * number that needs fewer than 4 digits
- *
- * @return a pair: [new value with 3 sig. figs., its unit]
- */
-function convertByteUnits(aBytes) {
- var units = ["bytes", "kilobyte", "megabyte", "gigabyte"];
- let unitIndex = 0;
-
- // convert to next unit if it needs 4 digits (after rounding), but only if
- // we know the name of the next unit
- while ((aBytes >= 999.5) && (unitIndex < units.length - 1)) {
- aBytes /= 1024;
- unitIndex++;
- }
-
- // Get rid of insignificant bits by truncating to 1 or 0 decimal points
- // 0 -> 0; 1.2 -> 1.2; 12.3 -> 12.3; 123.4 -> 123; 234.5 -> 235
- aBytes = aBytes.toFixed((aBytes > 0) && (aBytes < 100) ? 1 : 0);
-
- return [aBytes, units[unitIndex]];
-}
-
-function FeedWriter() {}
-FeedWriter.prototype = {
- _mimeSvc : Cc["@mozilla.org/mime;1"].
- getService(Ci.nsIMIMEService),
-
- _getPropertyAsBag: function FW__getPropertyAsBag(container, property) {
- return container.fields.getProperty(property).
- QueryInterface(Ci.nsIPropertyBag2);
- },
-
- _getPropertyAsString: function FW__getPropertyAsString(container, property) {
- try {
- return container.fields.getPropertyAsAString(property);
- }
- catch (e) {
- }
- return "";
- },
-
- _setContentText: function FW__setContentText(id, text) {
- this._contentSandbox.element = this._document.getElementById(id);
- this._contentSandbox.textNode = text.createDocumentFragment(this._contentSandbox.element);
- var codeStr =
- "while (element.hasChildNodes()) " +
- " element.removeChild(element.firstChild);" +
- "element.appendChild(textNode);";
- if (text.base) {
- this._contentSandbox.spec = text.base.spec;
- codeStr += "element.setAttributeNS('" + XML_NS + "', 'base', spec);";
- }
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- this._contentSandbox.element = null;
- this._contentSandbox.textNode = null;
- },
-
- /**
- * Safely sets the href attribute on an anchor tag, providing the URI
- * specified can be loaded according to rules.
- * @param element
- * The element to set a URI attribute on
- * @param attribute
- * The attribute of the element to set the URI to, e.g. href or src
- * @param uri
- * The URI spec to set as the href
- */
- _safeSetURIAttribute:
- function FW__safeSetURIAttribute(element, attribute, uri) {
- var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
- getService(Ci.nsIScriptSecurityManager);
- const flags = Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL;
- try {
- secman.checkLoadURIStrWithPrincipal(this._feedPrincipal, uri, flags);
- // checkLoadURIStrWithPrincipal will throw if the link URI should not be
- // loaded, either because our feedURI isn't allowed to load it or per
- // the rules specified in |flags|, so we'll never "linkify" the link...
- }
- catch (e) {
- // Not allowed to load this link because secman.checkLoadURIStr threw
- return;
- }
-
- this._contentSandbox.element = element;
- this._contentSandbox.uri = uri;
- var codeStr = "element.setAttribute('" + attribute + "', uri);";
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- },
-
- /**
- * Use this sandbox to run any dom manipulation code on nodes which
- * are already inserted into the content document.
- */
- __contentSandbox: null,
- get _contentSandbox() {
- // This whole sandbox setup is totally archaic. It was introduced in bug
- // 360529, presumably before the existence of a solid security membrane,
- // since all of the manipulation of content here should be made safe by
- // Xrays.
- // Now that anonymous content is no longer content-accessible, manipulating
- // the xml stylesheet content can't be done from content anymore.
- //
- // The right solution would be to rip out all of this sandbox junk and
- // manipulate the DOM directly, but that would require a lot of rewriting.
- // So, for now, we just give the sandbox an nsExpandedPrincipal with [].
- // This has the effect of giving it Xrays, and making it same-origin with
- // the XBL scope, thereby letting it manipulate anonymous content.
- if (!this.__contentSandbox)
- this.__contentSandbox = new Cu.Sandbox([this._window],
- {sandboxName: 'FeedWriter'});
-
- return this.__contentSandbox;
- },
-
- /**
- * Calls doCommand for a given XUL element within the context of the
- * content document.
- *
- * @param aElement
- * the XUL element to call doCommand() on.
- */
- _safeDoCommand: function FW___safeDoCommand(aElement) {
- this._contentSandbox.element = aElement;
- Cu.evalInSandbox("element.doCommand();", this._contentSandbox);
- this._contentSandbox.element = null;
- },
-
- __faviconService: null,
- get _faviconService() {
- if (!this.__faviconService)
- this.__faviconService = Cc["@mozilla.org/browser/favicon-service;1"].
- getService(Ci.nsIFaviconService);
-
- return this.__faviconService;
- },
-
- __bundle: null,
- get _bundle() {
- if (!this.__bundle) {
- this.__bundle = Cc["@mozilla.org/intl/stringbundle;1"].
- getService(Ci.nsIStringBundleService).
- createBundle(URI_BUNDLE);
- }
- return this.__bundle;
- },
-
- _getFormattedString: function FW__getFormattedString(key, params) {
- return this._bundle.formatStringFromName(key, params, params.length);
- },
-
- _getString: function FW__getString(key) {
- return this._bundle.GetStringFromName(key);
- },
-
- /* Magic helper methods to be used instead of xbl properties */
- _getSelectedItemFromMenulist: function FW__getSelectedItemFromList(aList) {
- var node = aList.firstChild.firstChild;
- while (node) {
- if (node.localName == "menuitem" && node.getAttribute("selected") == "true")
- return node;
-
- node = node.nextSibling;
- }
-
- return null;
- },
-
- _setCheckboxCheckedState: function FW__setCheckboxCheckedState(aCheckbox, aValue) {
- // see checkbox.xml, xbl bindings are not applied within the sandbox!
- this._contentSandbox.checkbox = aCheckbox;
- var codeStr;
- var change = (aValue != (aCheckbox.getAttribute('checked') == 'true'));
- if (aValue)
- codeStr = "checkbox.setAttribute('checked', 'true'); ";
- else
- codeStr = "checkbox.removeAttribute('checked'); ";
-
- if (change) {
- this._contentSandbox.document = this._document;
- codeStr += "var event = document.createEvent('Events'); " +
- "event.initEvent('CheckboxStateChange', true, true);" +
- "checkbox.dispatchEvent(event);"
- }
-
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- },
-
- /**
- * Returns a date suitable for displaying in the feed preview.
- * If the date cannot be parsed, the return value is "false".
- * @param dateString
- * A date as extracted from a feed entry. (entry.updated)
- */
- _parseDate: function FW__parseDate(dateString) {
- // Convert the date into the user's local time zone
- dateObj = new Date(dateString);
-
- // Make sure the date we're given is valid.
- if (!dateObj.getTime())
- return false;
-
- var dateService = Cc["@mozilla.org/intl/scriptabledateformat;1"].
- getService(Ci.nsIScriptableDateFormat);
- return dateService.FormatDateTime("", dateService.dateFormatLong, dateService.timeFormatNoSeconds,
- dateObj.getFullYear(), dateObj.getMonth()+1, dateObj.getDate(),
- dateObj.getHours(), dateObj.getMinutes(), dateObj.getSeconds());
- },
-
- /**
- * Returns the feed type.
- */
- __feedType: null,
- _getFeedType: function FW__getFeedType() {
- if (this.__feedType != null)
- return this.__feedType;
-
- try {
- // grab the feed because it's got the feed.type in it.
- var container = this._getContainer();
- var feed = container.QueryInterface(Ci.nsIFeed);
- this.__feedType = feed.type;
- return feed.type;
- } catch (ex) { }
-
- return Ci.nsIFeed.TYPE_FEED;
- },
-
- /**
- * Maps a feed type to a maybe-feed mimetype.
- */
- _getMimeTypeForFeedType: function FW__getMimeTypeForFeedType() {
- switch (this._getFeedType()) {
- case Ci.nsIFeed.TYPE_VIDEO:
- return TYPE_MAYBE_VIDEO_FEED;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- return TYPE_MAYBE_AUDIO_FEED;
-
- default:
- return TYPE_MAYBE_FEED;
- }
- },
-
- /**
- * Writes the feed title into the preview document.
- * @param container
- * The feed container
- */
- _setTitleText: function FW__setTitleText(container) {
- if (container.title) {
- var title = container.title.plainText();
- this._setContentText(TITLE_ID, container.title);
- this._contentSandbox.document = this._document;
- this._contentSandbox.title = title;
- var codeStr = "document.title = title;"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- }
-
- var feed = container.QueryInterface(Ci.nsIFeed);
- if (feed && feed.subtitle)
- this._setContentText(SUBTITLE_ID, container.subtitle);
- },
-
- /**
- * Writes the title image into the preview document if one is present.
- * @param container
- * The feed container
- */
- _setTitleImage: function FW__setTitleImage(container) {
- try {
- var parts = container.image;
-
- // Set up the title image (supplied by the feed)
- var feedTitleImage = this._document.getElementById("feedTitleImage");
- this._safeSetURIAttribute(feedTitleImage, "src",
- parts.getPropertyAsAString("url"));
-
- // Set up the title image link
- var feedTitleLink = this._document.getElementById("feedTitleLink");
-
- var titleText = this._getFormattedString("linkTitleTextFormat",
- [parts.getPropertyAsAString("title")]);
- this._contentSandbox.feedTitleLink = feedTitleLink;
- this._contentSandbox.titleText = titleText;
- this._contentSandbox.feedTitleText = this._document.getElementById("feedTitleText");
- this._contentSandbox.titleImageWidth = parseInt(parts.getPropertyAsAString("width")) + 15;
-
- // Fix the margin on the main title, so that the image doesn't run over
- // the underline
- var codeStr = "feedTitleLink.setAttribute('title', titleText); " +
- "feedTitleText.style.marginRight = titleImageWidth + 'px';";
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- this._contentSandbox.feedTitleLink = null;
- this._contentSandbox.titleText = null;
- this._contentSandbox.feedTitleText = null;
- this._contentSandbox.titleImageWidth = null;
-
- this._safeSetURIAttribute(feedTitleLink, "href",
- parts.getPropertyAsAString("link"));
- }
- catch (e) {
- LOG("Failed to set Title Image (this is benign): " + e);
- }
- },
-
- /**
- * Writes all entries contained in the feed.
- * @param container
- * The container of entries in the feed
- */
- _writeFeedContent: function FW__writeFeedContent(container) {
- // Build the actual feed content
- var feed = container.QueryInterface(Ci.nsIFeed);
- if (feed.items.length == 0)
- return;
-
- this._contentSandbox.feedContent =
- this._document.getElementById("feedContent");
-
- for (var i = 0; i < feed.items.length; ++i) {
- var entry = feed.items.queryElementAt(i, Ci.nsIFeedEntry);
- entry.QueryInterface(Ci.nsIFeedContainer);
-
- var entryContainer = this._document.createElementNS(HTML_NS, "div");
- entryContainer.className = "entry";
-
- // If the entry has a title, make it a link
- if (entry.title) {
- var a = this._document.createElementNS(HTML_NS, "a");
- var span = this._document.createElementNS(HTML_NS, "span");
- a.appendChild(span);
- if (entry.title.base)
- span.setAttributeNS(XML_NS, "base", entry.title.base.spec);
- span.appendChild(entry.title.createDocumentFragment(a));
-
- // Entries are not required to have links, so entry.link can be null.
- if (entry.link)
- this._safeSetURIAttribute(a, "href", entry.link.spec);
-
- var title = this._document.createElementNS(HTML_NS, "h3");
- title.appendChild(a);
-
- var lastUpdated = this._parseDate(entry.updated);
- if (lastUpdated) {
- var dateDiv = this._document.createElementNS(HTML_NS, "div");
- dateDiv.className = "lastUpdated";
- dateDiv.textContent = lastUpdated;
- title.appendChild(dateDiv);
- }
-
- entryContainer.appendChild(title);
- }
-
- var body = this._document.createElementNS(HTML_NS, "div");
- var summary = entry.summary || entry.content;
- var docFragment = null;
- if (summary) {
- if (summary.base)
- body.setAttributeNS(XML_NS, "base", summary.base.spec);
- else
- LOG("no base?");
- docFragment = summary.createDocumentFragment(body);
- if (docFragment)
- body.appendChild(docFragment);
-
- // If the entry doesn't have a title, append a # permalink
- // See http://scripting.com/rss.xml for an example
- if (!entry.title && entry.link) {
- var a = this._document.createElementNS(HTML_NS, "a");
- a.appendChild(this._document.createTextNode("#"));
- this._safeSetURIAttribute(a, "href", entry.link.spec);
- body.appendChild(this._document.createTextNode(" "));
- body.appendChild(a);
- }
-
- }
- body.className = "feedEntryContent";
- entryContainer.appendChild(body);
-
- if (entry.enclosures && entry.enclosures.length > 0) {
- var enclosuresDiv = this._buildEnclosureDiv(entry);
- entryContainer.appendChild(enclosuresDiv);
- }
-
- this._contentSandbox.entryContainer = entryContainer;
- this._contentSandbox.clearDiv =
- this._document.createElementNS(HTML_NS, "div");
- this._contentSandbox.clearDiv.style.clear = "both";
-
- var codeStr = "feedContent.appendChild(entryContainer); " +
- "feedContent.appendChild(clearDiv);"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- }
-
- this._contentSandbox.feedContent = null;
- this._contentSandbox.entryContainer = null;
- this._contentSandbox.clearDiv = null;
- },
-
- /**
- * Takes a url to a media item and returns the best name it can come up with.
- * Frequently this is the filename portion (e.g. passing in
- * http://example.com/foo.mpeg would return "foo.mpeg"), but in more complex
- * cases, this will return the entire url (e.g. passing in
- * http://example.com/somedirectory/ would return
- * http://example.com/somedirectory/).
- * @param aURL
- * The URL string from which to create a display name
- * @returns a string
- */
- _getURLDisplayName: function FW__getURLDisplayName(aURL) {
- var url = makeURI(aURL);
- url.QueryInterface(Ci.nsIURL);
- if (url == null || url.fileName.length == 0)
- return decodeURIComponent(aURL);
-
- return decodeURIComponent(url.fileName);
- },
-
- /**
- * Takes a FeedEntry with enclosures, generates the HTML code to represent
- * them, and returns that.
- * @param entry
- * FeedEntry with enclosures
- * @returns element
- */
- _buildEnclosureDiv: function FW__buildEnclosureDiv(entry) {
- var enclosuresDiv = this._document.createElementNS(HTML_NS, "div");
- enclosuresDiv.className = "enclosures";
-
- enclosuresDiv.appendChild(this._document.createTextNode(this._getString("mediaLabel")));
-
- var roundme = function(n) {
- return (Math.round(n * 100) / 100).toLocaleString();
- }
-
- 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.
- * @param result
- * The parsed feed result
- * @returns A valid nsIFeedContainer object containing the contents of
- * the feed.
- */
- _getContainer: function FW__getContainer(result) {
- var feedService =
- Cc["@mozilla.org/browser/feeds/result-service;1"].
- getService(Ci.nsIFeedResultService);
-
- result = null;
- try {
- result =
- feedService.getFeedResult(this._getOriginalURI(this._window));
- }
- catch (e) {
- // Ignore.
- }
-
- if (!result) {
- LOG("Subscribe Preview: feed not available?!");
- return null;
- }
-
- 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;
- },
-
- /**
- * 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) {
- this._contentSandbox.menuitem = aMenuItem;
- this._contentSandbox.label = this._getFileDisplayName(aFile);
- // For security reasons, access to moz-icon:file://... URIs is
- // no longer allowed (indirect file system access from content).
- // We use a dummy application instead to get a generic icon.
- this._contentSandbox.image = "moz-icon://dummy.exe?size=16";
- var codeStr = "menuitem.setAttribute('label', label); " +
- "menuitem.setAttribute('image', image);"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- },
-
- /**
- * 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._contentSandbox.selectedAppMenuItem,
- this._selectedApp);
-
- // Show and select the selected application menuitem
- let codeStr = "selectedAppMenuItem.hidden = false;" +
- "selectedAppMenuItem.doCommand();"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- 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 {
- var prefs = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
- if (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;
- }
-
- this._contentSandbox.subscribeUsing =
- this._getUIElement("subscribeUsingDescription");
- this._contentSandbox.label = this._getString(stringLabel);
- var codeStr = "subscribeUsing.setAttribute('value', label);"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- },
-
- _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;
- }
-
- this._contentSandbox.checkbox = checkbox;
- this._contentSandbox.label = this._getFormattedString(stringLabel, [handlerName]);
-
- var codeStr = "checkbox.setAttribute('label', label);";
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- }
- }
- },
-
- // 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 =
- Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
-
- var handler = prefs.getCharPref(getPrefReaderForType(feedType), "bookmarks");
-
- 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;
- }
-
- this._safeDoCommand(handlers[0]);
- }
- break;
- }
- case "client": {
- try {
- this._selectedApp =
- prefs.getComplexValue(getPrefAppForType(feedType), Ci.nsILocalFile);
- }
- catch(ex) {
- this._selectedApp = null;
- }
-
- if (this._selectedApp) {
- this._initMenuItemWithFile(this._contentSandbox.selectedAppMenuItem,
- this._selectedApp);
- var codeStr = "selectedAppMenuItem.hidden = false; " +
- "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;
- codeStr += "defaultHandlerMenuItem.hidden = " + shouldHide + ";"
- }
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- break;
- }
- }
- case "bookmarks":
- default: {
- var liveBookmarksMenuItem = this._getUIElement("liveBookmarksMenuItem");
- if (liveBookmarksMenuItem)
- this._safeDoCommand(liveBookmarksMenuItem);
- }
- }
- },
-
- _initSubscriptionUI: function FW__initSubscriptionUI() {
- var handlersMenuPopup = this._getUIElement("handlersMenuPopup");
- if (!handlersMenuPopup)
- return;
-
- var feedType = this._getFeedType();
- var codeStr;
-
- // change the background
- var header = this._document.getElementById("feedHeader");
- this._contentSandbox.header = header;
- switch (feedType) {
- case Ci.nsIFeed.TYPE_VIDEO:
- codeStr = "header.className = 'videoPodcastBackground'; ";
- break;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- codeStr = "header.className = 'audioPodcastBackground'; ";
- break;
-
- default:
- codeStr = "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 {
- var prefs = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
- this._selectedApp = 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._contentSandbox.handlersMenuPopup = handlersMenuPopup;
- this._contentSandbox.selectedAppMenuItem = menuItem;
-
- codeStr += "handlersMenuPopup.appendChild(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._contentSandbox.defaultHandlerMenuItem = menuItem;
- codeStr += "handlersMenuPopup.appendChild(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"));
-
- this._contentSandbox.chooseAppMenuItem = menuItem;
- codeStr += "handlersMenuPopup.appendChild(chooseAppMenuItem); ";
-
- // separator
- this._contentSandbox.chooseAppSep =
- menuItem = liveBookmarksMenuItem.nextSibling.cloneNode(false);
- codeStr += "handlersMenuPopup.appendChild(chooseAppSep); ";
-
- Cu.evalInSandbox(codeStr, this._contentSandbox);
-
- // 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);
- this._contentSandbox.menuItem = menuItem;
- codeStr = "handlersMenuPopup.appendChild(menuItem);";
- Cu.evalInSandbox(codeStr, this._contentSandbox);
-
- this._setFaviconForWebReader(handlers[i].uri, menuItem);
- }
- this._contentSandbox.menuItem = null;
- }
-
- 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 = prefs.getBoolPref(PREF_SHOW_FIRST_RUN_UI, true);
- 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";
- }
-
- this._contentSandbox.feedinfo1 =
- this._document.getElementById("feedSubscriptionInfo1");
- this._contentSandbox.feedinfo1Str = this._getString(textfeedinfo1);
- this._contentSandbox.feedinfo2 =
- this._document.getElementById("feedSubscriptionInfo2");
- this._contentSandbox.feedinfo2Str = this._getString(textfeedinfo2);
- this._contentSandbox.header = header;
- codeStr = "feedinfo1.textContent = feedinfo1Str; " +
- "feedinfo2.textContent = feedinfo2Str; " +
- "header.setAttribute('firstrun', 'true');"
- Cu.evalInSandbox(codeStr, this._contentSandbox);
- prefs.setBoolPref(PREF_SHOW_FIRST_RUN_UI, false);
- }
- },
-
- /**
- * 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);
-
- // this channel is not going to be openend, use a nullPrincipal
- // and the most restrctive securityFlag.
- let resolvedURI = NetUtil.newChannel({
- uri: "about:feeds",
- loadingPrincipal: nullPrincipal,
- securityFlags: Ci.nsILoadInfo.SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED,
- contentPolicyType: 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.createCodebasePrincipal(this._feedURI, {});
-
- LOG("Subscribe Preview: feed uri = " + this._window.location.href);
-
- // Set up the subscription UI
- this._initSubscriptionUI();
- var prefs = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
- 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;
- var prefs = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
- 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.__contentSandbox = 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 = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
- 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;
- var nullPrincipal = Cc["@mozilla.org/nullprincipal;1"]
- .createInstance(Ci.nsIPrincipal);
- 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));
- self._contentSandbox.menuItem = aMenuItem;
- self._contentSandbox.dataURL = dataURL;
- var codeStr = "menuItem.setAttribute('image', dataURL);";
- Cu.evalInSandbox(codeStr, self._contentSandbox);
- self._contentSandbox.menuItem = null;
- self._contentSandbox.dataURL = null;
- }
- }, nullPrincipal);
- },
-
- classID: FEEDWRITER_CID,
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMEventListener, Ci.nsIObserver,
- Ci.nsINavHistoryObserver,
- Ci.nsIDOMGlobalPropertyInitializer])
-};
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FeedWriter]);