diff options
Diffstat (limited to 'components/feeds/FeedWriter.js')
| -rw-r--r-- | components/feeds/FeedWriter.js | 1397 |
1 files changed, 0 insertions, 1397 deletions
diff --git a/components/feeds/FeedWriter.js b/components/feeds/FeedWriter.js deleted file mode 100644 index facde58..0000000 --- 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]); |