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authorMatt A. Tobin <email@mattatobin.com>2019-12-16 13:57:01 -0500
committerMatt A. Tobin <email@mattatobin.com>2019-12-16 13:57:01 -0500
commit06494f307850c576868831bd28a61464eab1f359 (patch)
treef281f5c46c3e0b73c7eabe22f02622dc013b0c35 /application/basilisk/components/feeds/FeedWriter.js
parente7d4713e0765c79feddf2384d343d10595fa5cb3 (diff)
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Remove Basilisk from the Unified XUL Platform repository
Development will proceed at https://github.com/MoonchildProductions/Basilisk
Diffstat (limited to 'application/basilisk/components/feeds/FeedWriter.js')
-rw-r--r--application/basilisk/components/feeds/FeedWriter.js1002
1 files changed, 0 insertions, 1002 deletions
diff --git a/application/basilisk/components/feeds/FeedWriter.js b/application/basilisk/components/feeds/FeedWriter.js
deleted file mode 100644
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--- a/application/basilisk/components/feeds/FeedWriter.js
+++ /dev/null
@@ -1,1002 +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/Services.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) {
- let prefB = Cc["@mozilla.org/preferences-service;1"].
- getService(Ci.nsIPrefBranch);
-
- let 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) {
- let 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 URI_BUNDLE = "chrome://browser/locale/feeds/subscribe.properties";
-
-const TITLE_ID = "feedTitleText";
-const SUBTITLE_ID = "feedSubtitleText";
-
-/**
- * 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) {
- let 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() {
- this._selectedApp = undefined;
- this._selectedAppMenuItem = null;
- this._subscribeCallback = null;
- this._defaultHandlerMenuItem = null;
-}
-
-FeedWriter.prototype = {
- _getPropertyAsBag(container, property) {
- return container.fields.getProperty(property).
- QueryInterface(Ci.nsIPropertyBag2);
- },
-
- _getPropertyAsString(container, property) {
- try {
- return container.fields.getPropertyAsAString(property);
- }
- catch (e) {
- }
- return "";
- },
-
- _setContentText(id, text) {
- let element = this._document.getElementById(id);
- let textNode = text.createDocumentFragment(element);
- while (element.hasChildNodes())
- element.removeChild(element.firstChild);
- element.appendChild(textNode);
- if (text.base) {
- element.setAttributeNS(XML_NS, 'base', text.base.spec);
- }
- },
-
- /**
- * 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(element, attribute, uri) {
- let secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
- getService(Ci.nsIScriptSecurityManager);
- const flags = Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL;
- try {
- // TODO Is this necessary?
- 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;
- }
-
- element.setAttribute(attribute, uri);
- },
-
- __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(key, params) {
- return this._bundle.formatStringFromName(key, params, params.length);
- },
-
- _getString(key) {
- return this._bundle.GetStringFromName(key);
- },
-
- _setCheckboxCheckedState(aValue) {
- let checkbox = this._document.getElementById("alwaysUse");
- if (checkbox) {
- // see checkbox.xml, xbl bindings are not applied within the sandbox! TODO
- let change = (aValue != (checkbox.getAttribute("checked") == "true"));
- if (aValue)
- checkbox.setAttribute("checked", "true");
- else
- checkbox.removeAttribute("checked");
-
- if (change) {
- let event = this._document.createEvent("Events");
- event.initEvent("CheckboxStateChange", true, true);
- checkbox.dispatchEvent(event);
- }
- }
- },
-
- /**
- * 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(dateString) {
- // Convert the date into the user's local time zone
- let dateObj = new Date(dateString);
-
- // Make sure the date we're given is valid.
- if (!dateObj.getTime())
- return false;
-
- return this._dateFormatter.format(dateObj);
- },
-
- __dateFormatter: null,
- get _dateFormatter() {
- if (!this.__dateFormatter) {
- const locale = Cc["@mozilla.org/chrome/chrome-registry;1"]
- .getService(Ci.nsIXULChromeRegistry)
- .getSelectedLocale("global", true);
- const dtOptions = { year: 'numeric', month: 'long', day: 'numeric',
- hour: 'numeric', minute: 'numeric' };
- this.__dateFormatter = new Intl.DateTimeFormat(locale, dtOptions);
- }
- return this.__dateFormatter;
- },
-
- /**
- * Returns the feed type.
- */
- __feedType: null,
- _getFeedType() {
- if (this.__feedType != null)
- return this.__feedType;
-
- try {
- // grab the feed because it's got the feed.type in it.
- let container = this._getContainer();
- let feed = container.QueryInterface(Ci.nsIFeed);
- this.__feedType = feed.type;
- return feed.type;
- } catch (ex) { }
-
- return Ci.nsIFeed.TYPE_FEED;
- },
-
- /**
- * Writes the feed title into the preview document.
- * @param container
- * The feed container
- */
- _setTitleText(container) {
- if (container.title) {
- let title = container.title.plainText();
- this._setContentText(TITLE_ID, container.title);
- this._document.title = title;
- }
-
- let 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(container) {
- try {
- let parts = container.image;
-
- // Set up the title image (supplied by the feed)
- let feedTitleImage = this._document.getElementById("feedTitleImage");
- this._safeSetURIAttribute(feedTitleImage, "src",
- parts.getPropertyAsAString("url"));
-
- // Set up the title image link
- let feedTitleLink = this._document.getElementById("feedTitleLink");
-
- let titleText = this._getFormattedString("linkTitleTextFormat",
- [parts.getPropertyAsAString("title")]);
- let feedTitleText = this._document.getElementById("feedTitleText");
- let titleImageWidth = parseInt(parts.getPropertyAsAString("width")) + 15;
-
- // Fix the margin on the main title, so that the image doesn't run over
- // the underline
- feedTitleLink.setAttribute('title', titleText);
- feedTitleText.style.marginRight = titleImageWidth + 'px';
-
- 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(container) {
- // Build the actual feed content
- let feed = container.QueryInterface(Ci.nsIFeed);
- if (feed.items.length == 0)
- return;
-
- let feedContent = this._document.getElementById("feedContent");
-
- for (let i = 0; i < feed.items.length; ++i) {
- let entry = feed.items.queryElementAt(i, Ci.nsIFeedEntry);
- entry.QueryInterface(Ci.nsIFeedContainer);
-
- let entryContainer = this._document.createElementNS(HTML_NS, "div");
- entryContainer.className = "entry";
-
- // If the entry has a title, make it a link
- if (entry.title) {
- let a = this._document.createElementNS(HTML_NS, "a");
- let 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);
-
- let title = this._document.createElementNS(HTML_NS, "h3");
- title.appendChild(a);
-
- let lastUpdated = this._parseDate(entry.updated);
- if (lastUpdated) {
- let dateDiv = this._document.createElementNS(HTML_NS, "div");
- dateDiv.className = "lastUpdated";
- dateDiv.textContent = lastUpdated;
- title.appendChild(dateDiv);
- }
-
- entryContainer.appendChild(title);
- }
-
- let body = this._document.createElementNS(HTML_NS, "div");
- let summary = entry.summary || entry.content;
- let 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) {
- let 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) {
- let enclosuresDiv = this._buildEnclosureDiv(entry);
- entryContainer.appendChild(enclosuresDiv);
- }
-
- let clearDiv = this._document.createElementNS(HTML_NS, "div");
- clearDiv.style.clear = "both";
-
- feedContent.appendChild(entryContainer);
- feedContent.appendChild(clearDiv);
- }
- },
-
- /**
- * 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(aURL) {
- let 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(entry) {
- let enclosuresDiv = this._document.createElementNS(HTML_NS, "div");
- enclosuresDiv.className = "enclosures";
-
- enclosuresDiv.appendChild(this._document.createTextNode(this._getString("mediaLabel")));
-
- for (let i_enc = 0; i_enc < entry.enclosures.length; ++i_enc) {
- let enc = entry.enclosures.queryElementAt(i_enc, Ci.nsIWritablePropertyBag2);
-
- if (!(enc.hasKey("url")))
- continue;
-
- let enclosureDiv = this._document.createElementNS(HTML_NS, "div");
- enclosureDiv.setAttribute("class", "enclosure");
-
- let mozicon = "moz-icon://.txt?size=16";
- let type_text = null;
- let size_text = null;
-
- if (enc.hasKey("type")) {
- type_text = enc.get("type");
- if (enc.hasKey("typeDesc"))
- type_text = enc.get("typeDesc");
-
- if (type_text && type_text.length > 0)
- mozicon = "moz-icon://goat?size=16&contentType=" + enc.get("type");
- }
-
- if (enc.hasKey("length") && /^[0-9]+$/.test(enc.get("length"))) {
- let enc_size = convertByteUnits(parseInt(enc.get("length")));
-
- size_text = this._getFormattedString("enclosureSizeText",
- [enc_size[0],
- this._getString(enc_size[1])]);
- }
-
- let iconimg = this._document.createElementNS(HTML_NS, "img");
- iconimg.setAttribute("src", mozicon);
- iconimg.setAttribute("class", "type-icon");
- enclosureDiv.appendChild(iconimg);
-
- enclosureDiv.appendChild(this._document.createTextNode( " " ));
-
- let 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() {
- let feedService =
- Cc["@mozilla.org/browser/feeds/result-service;1"].
- getService(Ci.nsIFeedResultService);
-
- let result;
- try {
- 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?!");
- }
-
- let container;
- try {
- container = result.doc;
- }
- catch (e) {
- LOG("Subscribe Preview: no result.doc? Why didn't the original reload?");
- return null;
- }
- return container;
- },
-
- /**
- * 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(file) {
- let ios = Cc["@mozilla.org/network/io-service;1"].
- getService(Ci.nsIIOService);
- let fph = ios.getProtocolHandler("file")
- .QueryInterface(Ci.nsIFileProtocolHandler);
- let urlSpec = fph.getURLSpecFromFile(file);
- return "moz-icon://" + urlSpec + "?size=16";
- },
-
- /**
- * 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(aCallback) {
- this._subscribeCallback = aCallback;
- this._mm.sendAsyncMessage("FeedWriter:ChooseClientApp",
- { title: this._getString("chooseApplicationDialogTitle"),
- feedType: this._getFeedType() });
- },
-
- _setSubscribeUsingLabel() {
- let stringLabel = "subscribeFeedUsing";
- switch (this._getFeedType()) {
- case Ci.nsIFeed.TYPE_VIDEO:
- stringLabel = "subscribeVideoPodcastUsing";
- break;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- stringLabel = "subscribeAudioPodcastUsing";
- break;
- }
-
- let subscribeUsing = this._document.getElementById("subscribeUsingDescription");
- let textNode = this._document.createTextNode(this._getString(stringLabel));
- subscribeUsing.insertBefore(textNode, subscribeUsing.firstChild);
- },
-
- _setAlwaysUseLabel() {
- let checkbox = this._document.getElementById("alwaysUse");
- if (checkbox && this._handlersList) {
- let handlerName = this._handlersList.selectedOptions[0]
- .textContent;
- let stringLabel = "alwaysUseForFeeds";
- switch (this._getFeedType()) {
- case Ci.nsIFeed.TYPE_VIDEO:
- stringLabel = "alwaysUseForVideoPodcasts";
- break;
-
- case Ci.nsIFeed.TYPE_AUDIO:
- stringLabel = "alwaysUseForAudioPodcasts";
- break;
- }
-
- let label = this._getFormattedString(stringLabel, [handlerName]);
-
- let checkboxText = this._document.getElementById("checkboxText");
- if (checkboxText.lastChild.nodeType == checkboxText.TEXT_NODE) {
- checkboxText.lastChild.textContent = label;
- } else {
- LOG("FeedWriter._setAlwaysUseLabel: Expected textNode as lastChild of alwaysUse label");
- let textNode = this._document.createTextNode(label);
- checkboxText.appendChild(textNode);
- }
- }
- },
-
- // nsIDomEventListener
- handleEvent(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;
- }
-
- switch (event.type) {
- case "click":
- if (event.target.id == "subscribeButton") {
- this.subscribe();
- }
- break;
- case "change":
- LOG("Change fired");
- if (event.target.selectedOptions[0].id == "chooseApplicationMenuItem") {
- this._chooseClientApp(() => {
- // Select the (per-prefs) selected handler if no application
- // was selected
- LOG("Selected handler after callback");
- this._setAlwaysUseLabel();
- });
- } else {
- this._setAlwaysUseLabel();
- }
- break;
- }
- },
-
- _getWebHandlerElementsForURL(aURL) {
- return this._handlersList.querySelectorAll('[webhandlerurl="' + aURL + '"]');
- },
-
- _setSelectedHandlerResponse(handler, url) {
- LOG(`Selecting handler response ${handler} ${url}`);
- switch (handler) {
- case "web": {
- if (this._handlersList) {
- let handlers =
- this._getWebHandlerElementsForURL(url);
- if (handlers.length == 0) {
- LOG(`Selected web handler isn't in the menulist ${url}`);
- return;
- }
-
- handlers[0].selected = true;
- }
- break;
- }
- case "client":
- case "default":
- // do nothing, these are handled by the onchange event
- break;
- case "bookmarks":
- default: {
- let liveBookmarksMenuItem = this._document.getElementById("liveBookmarksMenuItem");
- if (liveBookmarksMenuItem)
- liveBookmarksMenuItem.selected = true;
- }
- }
- },
-
- _initSubscriptionUI(setupMessage) {
- if (!this._handlersList)
- return;
- LOG("UI init");
-
- let feedType = this._getFeedType();
-
- // change the background
- let 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';
- }
-
- let liveBookmarksMenuItem = this._document.getElementById("liveBookmarksMenuItem");
-
- // Last-selected application
- let menuItem = liveBookmarksMenuItem.cloneNode(false);
- menuItem.removeAttribute("selected");
- menuItem.setAttribute("id", "selectedAppMenuItem");
- menuItem.setAttribute("handlerType", "client");
-
- // Hide the menuitem until we select an app
- menuItem.style.display = "none";
- this._selectedAppMenuItem = menuItem;
-
- this._handlersList.appendChild(this._selectedAppMenuItem);
-
- // Create the menuitem for the default reader, but don't show/populate it until
- // we get confirmation of what it is from the parent
- menuItem = liveBookmarksMenuItem.cloneNode(false);
- menuItem.removeAttribute("selected");
- menuItem.setAttribute("id", "defaultHandlerMenuItem");
- menuItem.setAttribute("handlerType", "client");
- menuItem.style.display = "none";
-
- this._defaultHandlerMenuItem = menuItem;
- this._handlersList.appendChild(this._defaultHandlerMenuItem);
-
- // "Choose Application..." menuitem
- menuItem = liveBookmarksMenuItem.cloneNode(false);
- menuItem.removeAttribute("selected");
- menuItem.setAttribute("id", "chooseApplicationMenuItem");
- menuItem.textContent = this._getString("chooseApplicationMenuItem");
-
- this._handlersList.appendChild(menuItem);
-
- // separator
- let chooseAppSep = liveBookmarksMenuItem.nextElementSibling.cloneNode(false);
- chooseAppSep.textContent = liveBookmarksMenuItem.nextElementSibling.textContent;
- this._handlersList.appendChild(chooseAppSep);
-
- for (let handler of setupMessage.handlers) {
- if (!handler.uri) {
- LOG("Handler with name " + handler.name + " has no URI!? Skipping...");
- continue;
- }
- menuItem = liveBookmarksMenuItem.cloneNode(false);
- menuItem.removeAttribute("selected");
- menuItem.className = "menuitem-iconic";
- menuItem.textContent = handler.name;
- menuItem.setAttribute("handlerType", "web");
- menuItem.setAttribute("webhandlerurl", handler.uri);
- this._handlersList.appendChild(menuItem);
- }
-
- this._setSelectedHandlerResponse(setupMessage.reader.handler, setupMessage.reader.url);
-
- if (setupMessage.defaultMenuItem) {
- LOG(`Setting default menu item ${setupMessage.defaultMenuItem}`);
- this._setApplicationLauncherMenuItem(this._defaultHandlerMenuItem, setupMessage.defaultMenuItem);
- }
- if (setupMessage.selectedMenuItem) {
- LOG(`Setting selected menu item ${setupMessage.selectedMenuItem}`);
- this._setApplicationLauncherMenuItem(this._selectedAppMenuItem, setupMessage.selectedMenuItem);
- }
-
- // "Subscribe using..."
- this._setSubscribeUsingLabel();
-
- // "Always use..." checkbox initial state
- this._setCheckboxCheckedState(setupMessage.reader.alwaysUse);
- this._setAlwaysUseLabel();
-
- // We update the "Always use.." checkbox label whenever the selected item
- // in the list is changed
- this._handlersList.addEventListener("change", this);
-
- // Set up the "Subscribe Now" button
- this._document.getElementById("subscribeButton")
- .addEventListener("click", this);
-
- // first-run ui
- if (setupMessage.showFirstRunUI) {
- let 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";
- }
-
- let feedinfo1 = this._document.getElementById("feedSubscriptionInfo1");
- let feedinfo1Str = this._getString(textfeedinfo1);
- let feedinfo2 = this._document.getElementById("feedSubscriptionInfo2");
- let 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(aWindow) {
- let docShell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIWebNavigation)
- .QueryInterface(Ci.nsIDocShell);
- let chan = docShell.currentDocumentChannel;
-
- // We probably need to call InheritFromDocShellToDoc for this, but right now
- // we can't call it from JS.
- let attrs = docShell.getOriginAttributes();
- let ssm = Services.scriptSecurityManager;
- let nullPrincipal = ssm.createNullPrincipal(attrs);
-
- // 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,
- _handlersList: null,
-
- // BrowserFeedWriter WebIDL methods
- init(aWindow) {
- let window = aWindow;
- this._feedURI = this._getOriginalURI(window);
- if (!this._feedURI)
- return;
-
- this._window = window;
- this._document = window.document;
- this._handlersList = this._document.getElementById("handlersMenuList");
-
- let secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
- getService(Ci.nsIScriptSecurityManager);
- this._feedPrincipal = secman.createCodebasePrincipal(this._feedURI, {});
-
- LOG("Subscribe Preview: feed uri = " + this._window.location.href);
-
-
- this._mm.addMessageListener("FeedWriter:PreferenceUpdated", this);
- this._mm.addMessageListener("FeedWriter:SetApplicationLauncherMenuItem", this);
- this._mm.addMessageListener("FeedWriter:GetSubscriptionUIResponse", this);
- this._mm.addMessageListener("FeedWriter:SetFeedPrefsAndSubscribeResponse", this);
-
- const feedType = this._getFeedType();
- this._mm.sendAsyncMessage("FeedWriter:GetSubscriptionUI",
- { feedType });
- },
-
- receiveMessage(msg) {
- if (!this._window) {
- // this._window is null unless this.init was called with a trusted
- // window object.
- return;
- }
- LOG(`received message from parent ${msg.name}`);
- switch (msg.name) {
- case "FeedWriter:PreferenceUpdated":
- // This is called when browser-feeds.js spots a pref change
- // This will happen when
- // - about:preferences#applications changes
- // - another feed reader page changes the preference
- // - when this page itself changes the select and there isn't a redirect
- // bookmarks and launching an external app means the page stays open after subscribe
- const feedType = this._getFeedType();
- LOG(`Got prefChange! ${JSON.stringify(msg.data)} current type: ${feedType}`);
- let feedTypePref = msg.data.default;
- if (feedType in msg.data) {
- feedTypePref = msg.data[feedType];
- }
- LOG(`Got pref ${JSON.stringify(feedTypePref)}`);
- this._setCheckboxCheckedState(feedTypePref.alwaysUse);
- this._setSelectedHandlerResponse(feedTypePref.handler, feedTypePref.url);
- this._setAlwaysUseLabel();
- break;
- case "FeedWriter:SetFeedPrefsAndSubscribeResponse":
- LOG(`FeedWriter:SetFeedPrefsAndSubscribeResponse - Redirecting ${msg.data.redirect}`);
- this._window.location.href = msg.data.redirect;
- break;
- case "FeedWriter:GetSubscriptionUIResponse":
- // Set up the subscription UI
- this._initSubscriptionUI(msg.data);
- break;
- case "FeedWriter:SetApplicationLauncherMenuItem":
- LOG(`FeedWriter:SetApplicationLauncherMenuItem - picked ${msg.data.name}`);
- this._setApplicationLauncherMenuItem(this._selectedAppMenuItem, msg.data.name);
- // Potentially a bit racy, but I don't think we can get into a state where this callback is set and
- // we're not coming back from ChooseClientApp in browser-feeds.js
- if (this._subscribeCallback) {
- this._subscribeCallback();
- this._subscribeCallback = null;
- }
- break;
- }
- },
-
- _setApplicationLauncherMenuItem(menuItem, aName) {
- /* unselect all handlers */
- [...this._handlersList.children].forEach((option) => {
- option.removeAttribute("selected");
- });
- menuItem.textContent = aName;
- menuItem.style.display = "";
- menuItem.selected = true;
- },
-
- writeContent() {
- if (!this._window)
- return;
-
- try {
- // Set up the feed content
- let container = this._getContainer();
- if (!container)
- return;
-
- this._setTitleText(container);
- this._setTitleImage(container);
- this._writeFeedContent(container);
- }
- finally {
- this._removeFeedFromCache();
- }
- },
-
- close() {
- this._document.getElementById("subscribeButton")
- .removeEventListener("click", this, false);
- this._handlersList
- .removeEventListener("change", this, false);
- this._document = null;
- this._window = null;
- this._handlersList = null;
-
- this._removeFeedFromCache();
- this.__bundle = null;
- this._feedURI = null;
-
- this._selectedApp = undefined;
- this._selectedAppMenuItem = null;
- this._defaultHandlerMenuItem = null;
- },
-
- _removeFeedFromCache() {
- if (this._feedURI) {
- let feedService = Cc["@mozilla.org/browser/feeds/result-service;1"].
- getService(Ci.nsIFeedResultService);
- feedService.removeFeedResult(this._feedURI);
- this._feedURI = null;
- }
- },
-
- subscribe() {
- let feedType = this._getFeedType();
-
- // Subscribe to the feed using the selected handler and save prefs
- let defaultHandler = "reader";
- let useAsDefault = this._document.getElementById("alwaysUse").getAttribute("checked");
-
- let selectedItem = this._handlersList.selectedOptions[0];
- let subscribeCallback = () => {
- let feedReader = null;
- let settings = {
- feedType,
- useAsDefault,
- // Pull the title and subtitle out of the document
- feedTitle: this._document.getElementById(TITLE_ID).textContent,
- feedSubtitle: this._document.getElementById(SUBTITLE_ID).textContent,
- feedLocation: this._window.location.href
- };
- if (selectedItem.hasAttribute("webhandlerurl")) {
- feedReader = "web";
- settings.uri = selectedItem.getAttribute("webhandlerurl");
- } else {
- switch (selectedItem.id) {
- case "selectedAppMenuItem":
- feedReader = "client";
- break;
- case "defaultHandlerMenuItem":
- feedReader = "default";
- break;
- case "liveBookmarksMenuItem":
- defaultHandler = "bookmarks";
- feedReader = "bookmarks";
- break;
- }
- }
- settings.reader = feedReader;
-
- // 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) {
- defaultHandler = "ask";
- }
- settings.action = defaultHandler;
- LOG(`FeedWriter:SetFeedPrefsAndSubscribe - ${JSON.stringify(settings)}`);
- this._mm.sendAsyncMessage("FeedWriter:SetFeedPrefsAndSubscribe",
- settings);
- }
-
- // Show the file picker before subscribing if the
- // choose application menuitem was chosen using the keyboard
- if (selectedItem.id == "chooseApplicationMenuItem") {
- this._chooseClientApp(function(aResult) {
- if (aResult) {
- selectedItem =
- this._handlersList.selectedOptions[0];
- subscribeCallback();
- }
- }.bind(this));
- } else {
- subscribeCallback();
- }
- },
-
- 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]);