Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) C:\Extranet\C\Archivos de programa\Mozilla Firefox\components\ drwxrwxrwx | |
| Viewing file: Select action/file-type: //@line 42 "e:\fx19rel\WINNT_5.2_Depend\mozilla\browser\components\feeds\src\FeedWriter.js"
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
function LOG(str) {
var prefB = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var shouldLog = false;
try {
shouldLog = prefB.getBoolPref("feeds.log");
}
catch (ex) {
}
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 SUBSCRIBE_PAGE_URI = "chrome://browser/content/feeds/subscribe.xhtml";
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 = this._document.createTextNode(text);
var codeStr =
"while (element.hasChildNodes()) " +
" element.removeChild(element.firstChild);" +
"element.appendChild(textNode);";
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() {
if (!this.__contentSandbox)
this.__contentSandbox = new Cu.Sandbox(this._window);
return this.__contentSandbox;
},
/**
* Calls doCommand for a the 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, 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.plainText());
},
/**
* 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");
a.appendChild(this._document.createTextNode(entry.title.plainText()));
// 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 aURL;
return decodeURI(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);
try {
var result =
feedService.getFeedResult(this._getOriginalURI(this._window));
}
catch (e) {
LOG("Subscribe Preview: feed not available?!");
}
if (result.bozo) {
LOG("Subscribe Preview: feed result is bozo?!");
}
try {
var container = result.doc;
}
catch (e) {
LOG("Subscribe Preview: no result.doc? Why didn't the original reload?");
return null;
}
return container;
},
/**
* Get the human-readable display name of a file. This could be the
* application name.
* @param file
* A nsIFile to look up the name of
* @returns The display name of the application represented by the file.
*/
_getFileDisplayName: function FW__getFileDisplayName(file) {
//@line 685 "e:\fx19rel\WINNT_5.2_Depend\mozilla\browser\components\feeds\src\FeedWriter.js"
if (file instanceof Ci.nsILocalFileWin) {
try {
return file.getVersionInfoField("FileDescription");
}
catch (e) {
}
}
//@line 702 "e:\fx19rel\WINNT_5.2_Depend\mozilla\browser\components\feeds\src\FeedWriter.js"
var ios =
Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
var url = ios.newFileURI(file).QueryInterface(Ci.nsIURL);
return url.fileName;
},
/**
* Get moz-icon url for a file
* @param file
* A nsIFile object for which the moz-icon:// is returned
* @returns moz-icon url of the given file as a string
*/
_getFileIconURL: function FW__getFileIconURL(file) {
var ios = Cc["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var fph = ios.getProtocolHandler("file")
.QueryInterface(Ci.nsIFileProtocolHandler);
var urlSpec = fph.getURLSpecFromFile(file);
return "moz-icon://" + urlSpec + "?size=16";
},
/**
* Helper method to set the selected application and system default
* reader menuitems details from a file object
* @param aMenuItem
* The menuitem on which the attributes should be set
* @param aFile
* The menuitem's associated file
*/
_initMenuItemWithFile: function(aMenuItem, aFile) {
this._contentSandbox.menuitem = aMenuItem;
this._contentSandbox.label = this._getFileDisplayName(aFile);
this._contentSandbox.image = this._getFileIconURL(aFile);
var codeStr = "menuitem.setAttribute('label', label); " +
"menuitem.setAttribute('image', image);"
Cu.evalInSandbox(codeStr, this._contentSandbox);
},
/**
* Displays a prompt from which the user may choose a (client) feed reader.
* @return - true if a feed reader was selected, false otherwise.
*/
_chooseClientApp: function FW__chooseClientApp() {
try {
var fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
fp.init(this._window,
this._getString("chooseApplicationDialogTitle"),
Ci.nsIFilePicker.modeOpen);
fp.appendFilters(Ci.nsIFilePicker.filterApps);
if (fp.show() == 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
//@line 760 "e:\fx19rel\WINNT_5.2_Depend\mozilla\browser\components\feeds\src\FeedWriter.js"
if (fp.file.leafName != "firefox.exe") {
//@line 768 "e:\fx19rel\WINNT_5.2_Depend\mozilla\browser\components\feeds\src\FeedWriter.js"
this._initMenuItemWithFile(this._contentSandbox.selectedAppMenuItem,
this._selectedApp);
// Show and select the selected application menuitem
var codeStr = "selectedAppMenuItem.hidden = false;" +
"selectedAppMenuItem.doCommand();"
Cu.evalInSandbox(codeStr, this._contentSandbox);
return true;
}
}
}
}
catch(ex) { }
return false;
},
_setAlwaysUseCheckedState: function FW__setAlwaysUseCheckedState(feedType) {
var checkbox = this._document.getElementById("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._document.getElementById("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._document.getElementById("alwaysUse");
if (checkbox) {
var handlersMenuList = this._document.getElementById("handlersMenuList");
if (handlersMenuList) {
var handlerName = this._getSelectedItemFromMenulist(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) {
// see comments in the write method
event = new XPCNativeWrapper(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.id) {
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._document.getElementById("handlersMenuList")
.firstChild.boxObject;
popupbox.QueryInterface(Components.interfaces.nsIPopupBoxObject);
if (popupbox.popupState == "hiding" && !this._chooseClientApp()) {
// Select the (per-prefs) selected handler if no application was
// selected
this._setSelectedHandler(this._getFeedType());
}
break;
default:
this._setAlwaysUseLabel();
}
}
},
_setSelectedHandler: function FW__setSelectedHandler(feedType) {
var prefs =
Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var handler = "bookmarks";
try {
handler = prefs.getCharPref(getPrefReaderForType(feedType));
}
catch (ex) { }
switch (handler) {
case "web": {
var handlersMenuList = this._document.getElementById("handlersMenuList");
if (handlersMenuList) {
var url = prefs.getComplexValue(getPrefWebForType(feedType), Ci.nsISupportsString).data;
var handlers =
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._document.getElementById("liveBookmarksMenuItem");
if (liveBookmarksMenuItem)
this._safeDoCommand(liveBookmarksMenuItem);
}
}
},
_initSubscriptionUI: function FW__initSubscriptionUI() {
var handlersMenuPopup = this._document.getElementById("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'; ";
}
// Last-selected application
var menuItem = this._document.createElementNS(XUL_NS, "menuitem");
menuItem.id = "selectedAppMenuItem";
menuItem.className = "menuitem-iconic";
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 = this._document.createElementNS(XUL_NS, "menuitem");
menuItem.id = "defaultHandlerMenuItem";
menuItem.className = "menuitem-iconic";
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 = this._document.createElementNS(XUL_NS, "menuitem");
menuItem.id = "chooseApplicationMenuItem";
menuItem.setAttribute("label", this._getString("chooseApplicationMenuItem"));
this._contentSandbox.chooseAppMenuItem = menuItem;
codeStr += "handlersMenuPopup.appendChild(chooseAppMenuItem); ";
// separator
this._contentSandbox.chooseAppSep =
this._document.createElementNS(XUL_NS, "menuseparator")
codeStr += "handlersMenuPopup.appendChild(chooseAppSep); ";
Cu.evalInSandbox(codeStr, this._contentSandbox);
var historySvc = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
historySvc.addObserver(this, false);
// 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) {
menuItem = this._document.createElementNS(XUL_NS, "menuitem");
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);
// For privacy reasons we cannot set the image attribute directly
// to the icon url, see Bug 358878
var uri = makeURI(handlers[i].uri);
if (!this._setFaviconForWebReader(uri, menuItem)) {
if (uri && /^https?/.test(uri.scheme)) {
var iconURL = makeURI(uri.prePath + "/favicon.ico");
this._faviconService.setAndLoadFaviconForPage(uri, iconURL, true);
}
}
}
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._document
.getElementById("subscribeButton")
.addEventListener("command", this, false);
// first-run ui
var showFirstRunUI = true;
try {
showFirstRunUI = prefs.getBoolPref(PREF_SHOW_FIRST_RUN_UI);
}
catch (ex) { }
if (showFirstRunUI) {
var textfeedinfo1, textfeedinfo2;
switch (feedType) {
case Ci.nsIFeed.TYPE_VIDEO:
textfeedinfo1 = "feedSubscriptionVideoPodcast1";
textfeedinfo2 = "feedSubscriptionVideoPodcast2";
break;
case Ci.nsIFeed.TYPE_AUDIO:
textfeedinfo1 = "feedSubscriptionAudioPodcast1";
textfeedinfo2 = "feedSubscriptionAudioPodcast2";
break;
default:
textfeedinfo1 = "feedSubscriptionFeed1";
textfeedinfo2 = "feedSubscriptionFeed2";
}
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.value = feedinfo1Str; " +
"feedinfo2.value = 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 uri = makeURI(SUBSCRIBE_PAGE_URI);
var resolvedURI = Cc["@mozilla.org/chrome/chrome-registry;1"].
getService(Ci.nsIChromeRegistry).
convertChromeURL(uri);
if (resolvedURI.equals(chan.URI))
return chan.originalURI;
return null;
},
_window: null,
_document: null,
_feedURI: null,
_feedPrincipal: null,
// nsIFeedWriter
init: function FW_init(aWindow) {
// Explicitly wrap |window| in an XPCNativeWrapper to make sure
// it's a real native object! This will throw an exception if we
// get a non-native object.
var window = new XPCNativeWrapper(aWindow);
this._feedURI = this._getOriginalURI(window);
if (!this._feedURI)
return;
this._window = window;
this._document = window.document;
var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
getService(Ci.nsIScriptSecurityManager);
this._feedPrincipal = secman.getCodebasePrincipal(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.nsIPrefBranch2);
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._document
.getElementById("handlersMenuPopup")
.removeEventListener("command", this, false);
this._document
.getElementById("subscribeButton")
.removeEventListener("command", this, false);
this._document = null;
this._window = null;
var prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch2);
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;
var historySvc = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
historySvc.removeObserver(this);
},
_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._document.getElementById("alwaysUse")
.getAttribute("checked");
var handlersMenuList = this._document.getElementById("handlersMenuList");
var selectedItem = this._getSelectedItemFromMenulist(handlersMenuList);
// Show the file picker before subscribing if the
// choose application menuitem was choosen using the keyboard
if (selectedItem.id == "chooseApplicationMenuItem") {
if (!this._chooseClientApp())
return;
selectedItem = this._getSelectedItemFromMenulist(handlersMenuList);
}
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.id) {
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");
},
// nsIObserver
observe: function FW_observe(subject, topic, data) {
if (!this._window) {
// this._window is null unless this.write 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
* if the favicon-service has the necessary icon stored.
* @param aURI
* the reader URI.
* @param aMenuItem
* the reader item in the readers menulist.
* @return true if the icon was set, false otherwise.
*/
_setFaviconForWebReader:
function FW__setFaviconForWebReader(aURI, aMenuItem) {
var faviconsSvc = this._faviconService;
var faviconURL = null;
try {
faviconURL = faviconsSvc.getFaviconForPage(aURI);
}
catch(ex) { }
if (faviconURL) {
var mimeType = { };
var bytes = faviconsSvc.getFaviconData(faviconURL, mimeType,
{ /* dataLen */ });
if (bytes) {
var dataURI = "data:" + mimeType.value + ";" + "base64," +
btoa(String.fromCharCode.apply(null, bytes));
this._contentSandbox.menuItem = aMenuItem;
this._contentSandbox.dataURI = dataURI;
var codeStr = "menuItem.setAttribute('image', dataURI);";
Cu.evalInSandbox(codeStr, this._contentSandbox);
this._contentSandbox.menuItem = null;
this._contentSandbox.dataURI = null;
return true;
}
}
return false;
},
// nsINavHistoryService
onPageChanged: function FW_onPageChanged(aURI, aWhat, aValue) {
if (aWhat == Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON) {
// Go through the readers menu and look for the corresponding
// reader menu-item for the page if any.
var spec = aURI.spec;
var handlersMenulist = this._document.getElementById("handlersMenuList");
var possibleHandlers = handlersMenulist.firstChild.childNodes;
for (var i=0; i < possibleHandlers.length ; i++) {
if (possibleHandlers[i].getAttribute("webhandlerurl") == spec) {
this._setFaviconForWebReader(aURI, possibleHandlers[i]);
return;
}
}
}
},
onBeginUpdateBatch: function() { },
onEndUpdateBatch: function() { },
onVisit: function() { },
onTitleChanged: function() { },
onDeleteURI: function() { },
onClearHistory: function() { },
onPageExpired: function() { },
// nsIClassInfo
getInterfaces: function FW_getInterfaces(countRef) {
var interfaces = [Ci.nsIFeedWriter, Ci.nsIClassInfo, Ci.nsISupports];
countRef.value = interfaces.length;
return interfaces;
},
getHelperForLanguage: function FW_getHelperForLanguage(language) null,
contractID: "@mozilla.org/browser/feeds/result-writer;1",
classDescription: "Feed Writer",
classID: Components.ID("{49bb6593-3aff-4eb3-a068-2712c28bd58e}"),
implementationLanguage: Ci.nsIProgrammingLanguage.JAVASCRIPT,
flags: Ci.nsIClassInfo.DOM_OBJECT,
_xpcom_categories: [{ category: "JavaScript global constructor",
entry: "BrowserFeedWriter"}],
QueryInterface: XPCOMUtils.generateQI([Ci.nsIFeedWriter, Ci.nsIClassInfo,
Ci.nsIDOMEventListener, Ci.nsIObserver,
Ci.nsINavHistoryObserver])
};
function NSGetModule(cm, file)
XPCOMUtils.generateModule([FeedWriter]);
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:: Command execute :: | |
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