mirror of
https://github.com/mozilla/gecko-dev.git
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Bug 395557 - XPCOMUtilify FeedWriter. r=sayrer, a=mconnor
This commit is contained in:
rflint@ryanflint.com
parent
4c425313f2
commit
af798b455d
@ -43,10 +43,11 @@ const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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function LOG(str) {
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var prefB =
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Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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var prefB = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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var shouldLog = false;
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try {
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@ -75,7 +76,6 @@ function makeURI(aURLSpec, aCharset) {
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return null;
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}
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const XML_NS = "http://www.w3.org/XML/1998/namespace"
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const HTML_NS = "http://www.w3.org/1999/xhtml";
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const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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@ -88,24 +88,16 @@ const PREF_SELECTED_ACTION = "browser.feeds.handler";
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const PREF_SELECTED_READER = "browser.feeds.handler.default";
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const PREF_SHOW_FIRST_RUN_UI = "browser.feeds.showFirstRunUI";
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const FW_CLASSID = Components.ID("{49bb6593-3aff-4eb3-a068-2712c28bd58e}");
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const FW_CLASSNAME = "Feed Writer";
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const FW_CONTRACTID = "@mozilla.org/browser/feeds/result-writer;1";
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const TITLE_ID = "feedTitleText";
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const SUBTITLE_ID = "feedSubtitleText";
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const NH_CONTRACTID = "@mozilla.org/browser/nav-history-service;1";
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const FAV_CONTRACTID = "@mozilla.org/browser/favicon-service;1";
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function FeedWriter() {
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}
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function FeedWriter() {}
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FeedWriter.prototype = {
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_getPropertyAsBag: function FW__getPropertyAsBag(container, property) {
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return container.fields.getProperty(property).
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QueryInterface(Ci.nsIPropertyBag2);
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},
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_getPropertyAsString: function FW__getPropertyAsString(container, property) {
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try {
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return container.fields.getPropertyAsAString(property);
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@ -114,14 +106,14 @@ FeedWriter.prototype = {
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}
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return "";
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},
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_setContentText: function FW__setContentText(id, text) {
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var element = this._document.getElementById(id);
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while (element.hasChildNodes())
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element.removeChild(element.firstChild);
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element.appendChild(this._document.createTextNode(text));
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},
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/**
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* Safely sets the href attribute on an anchor tag, providing the URI
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* specified can be loaded according to rules.
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@ -134,9 +126,8 @@ FeedWriter.prototype = {
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*/
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_safeSetURIAttribute:
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function FW__safeSetURIAttribute(element, attribute, uri) {
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var secman =
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Cc["@mozilla.org/scriptsecuritymanager;1"].
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getService(Ci.nsIScriptSecurityManager);
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var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
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getService(Ci.nsIScriptSecurityManager);
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const flags = Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL;
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try {
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secman.checkLoadURIStr(this._window.location.href, uri, flags);
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@ -151,10 +142,9 @@ FeedWriter.prototype = {
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__faviconService: null,
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get _faviconService() {
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if (!this.__faviconService) {
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this.__faviconService =
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Cc[FAV_CONTRACTID].getService(Ci.nsIFaviconService);
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}
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if (!this.__faviconService)
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this.__faviconService = Cc["@mozilla.org/browser/favicon-service;1"].
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getService(Ci.nsIFaviconService);
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return this.__faviconService;
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},
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@ -168,7 +158,7 @@ FeedWriter.prototype = {
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}
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return this.__bundle;
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},
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_getFormattedString: function FW__getFormattedString(key, params) {
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return this._bundle.formatStringFromName(key, params, params.length);
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},
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@ -261,12 +251,12 @@ FeedWriter.prototype = {
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this._setContentText(TITLE_ID, container.title.plainText());
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this._document.title = container.title.plainText();
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}
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var feed = container.QueryInterface(Ci.nsIFeed);
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if (feed && feed.subtitle)
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this._setContentText(SUBTITLE_ID, container.subtitle.plainText());
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},
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/**
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* Writes the title image into the preview document if one is present.
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* @param container
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@ -280,13 +270,12 @@ FeedWriter.prototype = {
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var feedTitleImage = this._document.getElementById("feedTitleImage");
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this._safeSetURIAttribute(feedTitleImage, "src",
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parts.getPropertyAsAString("url"));
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// Set up the title image link
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var feedTitleLink = this._document.getElementById("feedTitleLink");
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var titleText =
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this._getFormattedString("linkTitleTextFormat",
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[parts.getPropertyAsAString("title")]);
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var titleText = this._getFormattedString("linkTitleTextFormat",
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[parts.getPropertyAsAString("title")]);
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feedTitleLink.setAttribute("title", titleText);
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this._safeSetURIAttribute(feedTitleLink, "href",
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parts.getPropertyAsAString("link"));
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@ -301,7 +290,7 @@ FeedWriter.prototype = {
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LOG("Failed to set Title Image (this is benign): " + e);
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}
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},
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/**
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* Writes all entries contained in the feed.
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* @param container
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@ -373,7 +362,7 @@ FeedWriter.prototype = {
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feedContent.appendChild(clearDiv);
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}
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},
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/**
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* Gets a valid nsIFeedContainer object from the parsed nsIFeedResult.
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* Displays error information if there was one.
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@ -386,7 +375,7 @@ FeedWriter.prototype = {
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var feedService =
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Cc["@mozilla.org/browser/feeds/result-service;1"].
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getService(Ci.nsIFeedResultService);
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try {
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var result =
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feedService.getFeedResult(this._getOriginalURI(this._window));
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@ -408,7 +397,7 @@ FeedWriter.prototype = {
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}
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return container;
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},
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/**
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* Get the human-readable display name of a file. This could be the
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* application name.
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@ -541,9 +530,7 @@ FeedWriter.prototype = {
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}
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},
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/**
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* See nsIDOMEventListener
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*/
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// nsIDomEventListener
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handleEvent: function(event) {
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// see comments in the write method
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event = new XPCNativeWrapper(event);
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@ -591,7 +578,7 @@ FeedWriter.prototype = {
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handler = prefs.getCharPref(PREF_SELECTED_READER);
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}
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catch (ex) { }
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switch (handler) {
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case "web": {
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var handlersMenuList = this._document.getElementById("handlersMenuList");
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@ -634,8 +621,7 @@ FeedWriter.prototype = {
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}
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case "bookmarks":
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default: {
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var liveBookmarksMenuItem =
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this._document.getElementById("liveBookmarksMenuItem");
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var liveBookmarksMenuItem = this._document.getElementById("liveBookmarksMenuItem");
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if (liveBookmarksMenuItem)
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liveBookmarksMenuItem.doCommand();
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}
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@ -643,8 +629,7 @@ FeedWriter.prototype = {
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},
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_initSubscriptionUI: function FW__initSubscriptionUI() {
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var handlersMenuPopup =
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this._document.getElementById("handlersMenuPopup");
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var handlersMenuPopup = this._document.getElementById("handlersMenuPopup");
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if (!handlersMenuPopup)
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return;
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@ -663,9 +648,8 @@ FeedWriter.prototype = {
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selectedApp = prefs.getComplexValue(PREF_SELECTED_APP,
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Ci.nsILocalFile);
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if (selectedApp.exists()) {
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if (selectedApp.exists())
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this._initMenuItemWithFile(selectedApplicationItem, selectedApp);
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}
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else {
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// Hide the menuitem if the last selected application doesn't exist
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selectedApplicationItem.hidden = true;
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@ -707,13 +691,13 @@ FeedWriter.prototype = {
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handlersMenuPopup.appendChild(this._document.createElementNS(XUL_NS,
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"menuseparator"));
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var historySvc = Cc[NH_CONTRACTID].getService(Ci.nsINavHistoryService);
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var historySvc = Cc["@mozilla.org/browser/nav-history-service;1"].
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getService(Ci.nsINavHistoryService);
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historySvc.addObserver(this, false);
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// List of web handlers
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var wccr =
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Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
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getService(Ci.nsIWebContentConverterService);
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var wccr = Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
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getService(Ci.nsIWebContentConverterService);
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var handlers = wccr.getContentHandlers(TYPE_MAYBE_FEED, {});
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if (handlers.length != 0) {
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for (var i = 0; i < handlers.length; ++i) {
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@ -750,7 +734,7 @@ FeedWriter.prototype = {
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this._document
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.getElementById("subscribeButton")
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.addEventListener("command", this, false);
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// first-run ui
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var showFirstRunUI = true;
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try {
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@ -765,7 +749,7 @@ FeedWriter.prototype = {
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prefs.setBoolPref(PREF_SHOW_FIRST_RUN_UI, false);
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}
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},
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/**
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* Returns the original URI object of the feed and ensures that this
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* component is only ever invoked from the preview document.
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@ -773,10 +757,9 @@ FeedWriter.prototype = {
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* The window of the document invoking the BrowserFeedWriter
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*/
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_getOriginalURI: function FW__getOriginalURI(aWindow) {
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var chan =
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aWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIWebNavigation).
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QueryInterface(Ci.nsIDocShell).currentDocumentChannel;
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var chan = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIWebNavigation).
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QueryInterface(Ci.nsIDocShell).currentDocumentChannel;
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const SUBSCRIBE_PAGE_URI = "chrome://browser/content/feeds/subscribe.xhtml";
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var uri = makeURI(SUBSCRIBE_PAGE_URI);
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@ -794,9 +777,7 @@ FeedWriter.prototype = {
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_document: null,
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_feedURI: null,
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/**
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* See nsIFeedWriter
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*/
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// nsIFeedWriter
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init: function FW_init(aWindow) {
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// Explicitly wrap |window| in an XPCNativeWrapper to make sure
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// it's a real native object! This will throw an exception if we
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@ -821,9 +802,6 @@ FeedWriter.prototype = {
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prefs.addObserver(PREF_SELECTED_APP, this, false);
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},
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/**
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* See nsIFeedWriter
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*/
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writeContent: function FW_writeContent() {
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if (!this._window)
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return;
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@ -833,7 +811,7 @@ FeedWriter.prototype = {
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var container = this._getContainer();
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if (!container)
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return;
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this._setTitleText(container);
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this._setTitleImage(container);
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this._writeFeedContent(container);
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@ -843,9 +821,6 @@ FeedWriter.prototype = {
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}
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},
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/**
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* See nsIFeedWriter
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*/
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close: function FW_close() {
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this._document
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.getElementById("handlersMenuPopup")
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@ -855,9 +830,8 @@ FeedWriter.prototype = {
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.removeEventListener("command", this, false);
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this._document = null;
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this._window = null;
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var prefs =
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Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch2);
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var prefs = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch2);
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prefs.removeObserver(PREF_SELECTED_ACTION, this);
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prefs.removeObserver(PREF_SELECTED_READER, this);
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prefs.removeObserver(PREF_SELECTED_WEB, this);
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@ -868,15 +842,15 @@ FeedWriter.prototype = {
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this._selectedApplicationItemWrapped = null;
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this._defaultSystemReaderItemWrapped = null;
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this._FeedURI = null;
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var historySvc = Cc[NH_CONTRACTID].getService(Ci.nsINavHistoryService);
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var historySvc = Cc["@mozilla.org/browser/nav-history-service;1"].
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getService(Ci.nsINavHistoryService);
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historySvc.removeObserver(this);
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},
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_removeFeedFromCache: function FW__removeFeedFromCache() {
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if (this._feedURI) {
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var feedService =
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Cc["@mozilla.org/browser/feeds/result-service;1"].
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getService(Ci.nsIFeedResultService);
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var feedService = Cc["@mozilla.org/browser/feeds/result-service;1"].
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getService(Ci.nsIFeedResultService);
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feedService.removeFeedResult(this._feedURI);
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this._feedURI = null;
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}
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@ -884,9 +858,8 @@ FeedWriter.prototype = {
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subscribe: function FW_subscribe() {
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// Subscribe to the feed using the selected handler and save prefs
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var prefs =
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Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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var prefs = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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var defaultHandler = "reader";
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var useAsDefault = this._document.getElementById("alwaysUse")
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.getAttribute("checked");
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@ -913,16 +886,14 @@ FeedWriter.prototype = {
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prefs.setComplexValue(PREF_SELECTED_WEB, Ci.nsISupportsString,
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supportsString);
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var wccr =
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Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
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getService(Ci.nsIWebContentConverterService);
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var wccr = Cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"].
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getService(Ci.nsIWebContentConverterService);
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var handler = wccr.getWebContentHandlerByURI(TYPE_MAYBE_FEED, webURI);
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if (handler) {
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if (useAsDefault)
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wccr.setAutoHandler(TYPE_MAYBE_FEED, handler);
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this._window.location.href =
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handler.getHandlerURI(this._window.location.href);
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this._window.location.href = handler.getHandlerURI(this._window.location.href);
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}
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}
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else {
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@ -947,8 +918,7 @@ FeedWriter.prototype = {
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// Pull the title and subtitle out of the document
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var feedTitle = this._document.getElementById(TITLE_ID).textContent;
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var feedSubtitle =
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this._document.getElementById(SUBTITLE_ID).textContent;
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var feedSubtitle = this._document.getElementById(SUBTITLE_ID).textContent;
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feedService.addToClientReader(this._window.location.href,
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feedTitle, feedSubtitle);
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}
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@ -963,9 +933,7 @@ FeedWriter.prototype = {
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prefs.setCharPref(PREF_SELECTED_ACTION, "ask");
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},
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/**
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* See nsIObserver
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*/
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// nsIObserver
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observe: function FW_observe(subject, topic, data) {
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if (!this._window) {
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// this._window is null unless this.write was called with a trusted
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@ -1019,9 +987,7 @@ FeedWriter.prototype = {
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return false;
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},
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/**
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* See nsINavHistoryService
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*/
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// nsINavHistoryService
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onPageChanged: function FW_onPageChanged(aURI, aWhat, aValue) {
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if (aWhat == Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON) {
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// Go through the readers menu and look for the corresponding
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@ -1046,80 +1012,24 @@ FeedWriter.prototype = {
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onClearHistory: function() { },
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onPageExpired: function() { },
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/**
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* See nsIClassInfo
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*/
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getInterfaces: function WCCR_getInterfaces(countRef) {
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var interfaces =
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[Ci.nsIFeedWriter, Ci.nsIClassInfo, Ci.nsISupports];
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// nsIClassInfo
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getInterfaces: function FW_getInterfaces(countRef) {
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var interfaces = [Ci.nsIFeedWriter, Ci.nsIClassInfo, Ci.nsISupports];
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countRef.value = interfaces.length;
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return interfaces;
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},
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getHelperForLanguage: function WCCR_getHelperForLanguage(language) {
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return null;
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},
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contractID: FW_CONTRACTID,
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classDescription: FW_CLASSNAME,
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classID: FW_CLASSID,
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getHelperForLanguage: function FW_getHelperForLanguage(language) null,
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contractID: "@mozilla.org/browser/feeds/result-writer;1",
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classDescription: "Feed Writer",
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classID: Components.ID("{49bb6593-3aff-4eb3-a068-2712c28bd58e}"),
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implementationLanguage: Ci.nsIProgrammingLanguage.JAVASCRIPT,
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flags: Ci.nsIClassInfo.DOM_OBJECT,
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QueryInterface: function FW_QueryInterface(iid) {
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if (iid.equals(Ci.nsIFeedWriter) ||
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iid.equals(Ci.nsIClassInfo) ||
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iid.equals(Ci.nsIDOMEventListener) ||
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iid.equals(Ci.nsIObserver) ||
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iid.equals(Ci.nsINavHistoryObserver) ||
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iid.equals(Ci.nsISupports))
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return this;
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throw Cr.NS_ERROR_NO_INTERFACE;
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}
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_xpcom_categories: [{ category: "JavaScript global constructor",
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entry: "BrowserFeedWriter"}],
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIFeedWriter, Ci.nsIClassInfo,
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Ci.nsIDOMEventListener, Ci.nsIObserver,
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Ci.nsINavHistoryObserver])
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};
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var Module = {
|
||||
QueryInterface: function M_QueryInterface(iid) {
|
||||
if (iid.equals(Ci.nsIModule) ||
|
||||
iid.equals(Ci.nsISupports))
|
||||
return this;
|
||||
throw Cr.NS_ERROR_NO_INTERFACE;
|
||||
},
|
||||
|
||||
getClassObject: function M_getClassObject(cm, cid, iid) {
|
||||
if (!iid.equals(Ci.nsIFactory))
|
||||
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
|
||||
|
||||
if (cid.equals(FW_CLASSID))
|
||||
return new GenericComponentFactory(FeedWriter);
|
||||
|
||||
throw Cr.NS_ERROR_NO_INTERFACE;
|
||||
},
|
||||
|
||||
registerSelf: function M_registerSelf(cm, file, location, type) {
|
||||
var cr = cm.QueryInterface(Ci.nsIComponentRegistrar);
|
||||
|
||||
cr.registerFactoryLocation(FW_CLASSID, FW_CLASSNAME, FW_CONTRACTID,
|
||||
file, location, type);
|
||||
|
||||
var catman =
|
||||
Cc["@mozilla.org/categorymanager;1"].
|
||||
getService(Ci.nsICategoryManager);
|
||||
catman.addCategoryEntry("JavaScript global constructor",
|
||||
"BrowserFeedWriter", FW_CONTRACTID, true, true);
|
||||
},
|
||||
|
||||
unregisterSelf: function M_unregisterSelf(cm, location, type) {
|
||||
var cr = cm.QueryInterface(Ci.nsIComponentRegistrar);
|
||||
cr.unregisterFactoryLocation(FW_CLASSID, location);
|
||||
},
|
||||
|
||||
canUnload: function M_canUnload(cm) {
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
function NSGetModule(cm, file) {
|
||||
return Module;
|
||||
}
|
||||
|
||||
#include ../../../../toolkit/content/debug.js
|
||||
#include GenericFactory.js
|
||||
function NSGetModule(cm, file)
|
||||
XPCOMUtils.generateModule([FeedWriter]);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user