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Diffstat (limited to 'application/palemoon/base/content/utilityOverlay.js')
| -rw-r--r-- | application/palemoon/base/content/utilityOverlay.js | 677 |
1 files changed, 677 insertions, 0 deletions
diff --git a/application/palemoon/base/content/utilityOverlay.js b/application/palemoon/base/content/utilityOverlay.js new file mode 100644 index 000000000..b1e78d6a9 --- /dev/null +++ b/application/palemoon/base/content/utilityOverlay.js @@ -0,0 +1,677 @@ +# -*- Mode: javascript; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- +# 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/. + +// Services = object with smart getters for common XPCOM services +Components.utils.import("resource://gre/modules/Services.jsm"); +Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); +Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm"); +Components.utils.import("resource:///modules/RecentWindow.jsm"); + +XPCOMUtils.defineLazyGetter(this, "BROWSER_NEW_TAB_URL", function () { + const PREF = "browser.newtab.url"; + + function getNewTabPageURL() { + if (!Services.prefs.prefHasUserValue(PREF)) { + if (PrivateBrowsingUtils.isWindowPrivate(window) && + !PrivateBrowsingUtils.permanentPrivateBrowsing) + return "about:privatebrowsing"; + } + return Services.prefs.getCharPref(PREF) || "about:blank"; + } + + function update() { + BROWSER_NEW_TAB_URL = getNewTabPageURL(); + } + + Services.prefs.addObserver(PREF, update, false); + + addEventListener("unload", function onUnload() { + removeEventListener("unload", onUnload); + Services.prefs.removeObserver(PREF, update); + }); + + return getNewTabPageURL(); +}); + +var TAB_DROP_TYPE = "application/x-moz-tabbrowser-tab"; + +var gBidiUI = false; + +/** + * Determines whether the given url is considered a special URL for new tabs. + */ +function isBlankPageURL(aURL) { + // Pale Moon: Only make "about:blank", the logopage, or "about:newtab" be + // a "blank page" to fix focus issues. + // Original code: return aURL == "about:blank" || aURL == BROWSER_NEW_TAB_URL; + return aURL == "about:blank" || aURL == "about:newtab" || aURL == "about:logopage"; +} + +function getBrowserURL() +{ + return "chrome://browser/content/browser.xul"; +} + +function getTopWin(skipPopups) { + // If this is called in a browser window, use that window regardless of + // whether it's the frontmost window, since commands can be executed in + // background windows (bug 626148). + if (top.document.documentElement.getAttribute("windowtype") == "navigator:browser" && + (!skipPopups || top.toolbar.visible)) + return top; + + let isPrivate = PrivateBrowsingUtils.isWindowPrivate(window); + return RecentWindow.getMostRecentBrowserWindow({private: isPrivate, + allowPopups: !skipPopups}); +} + +function openTopWin(url) { + /* deprecated */ + openUILinkIn(url, "current"); +} + +function getBoolPref(prefname, def) +{ + try { + return Services.prefs.getBoolPref(prefname); + } + catch(er) { + return def; + } +} + +/* openUILink handles clicks on UI elements that cause URLs to load. + * + * As the third argument, you may pass an object with the same properties as + * accepted by openUILinkIn, plus "ignoreButton" and "ignoreAlt". + */ +function openUILink(url, event, aIgnoreButton, aIgnoreAlt, aAllowThirdPartyFixup, + aPostData, aReferrerURI) { + let params; + + if (aIgnoreButton && typeof aIgnoreButton == "object") { + params = aIgnoreButton; + + // don't forward "ignoreButton" and "ignoreAlt" to openUILinkIn + aIgnoreButton = params.ignoreButton; + aIgnoreAlt = params.ignoreAlt; + delete params.ignoreButton; + delete params.ignoreAlt; + } else { + params = { + allowThirdPartyFixup: aAllowThirdPartyFixup, + postData: aPostData, + referrerURI: aReferrerURI, + initiatingDoc: event ? event.target.ownerDocument : null + }; + } + + let where = whereToOpenLink(event, aIgnoreButton, aIgnoreAlt); + openUILinkIn(url, where, params); +} + + +/* whereToOpenLink() looks at an event to decide where to open a link. + * + * The event may be a mouse event (click, double-click, middle-click) or keypress event (enter). + * + * On Windows, the modifiers are: + * Ctrl new tab, selected + * Shift new window + * Ctrl+Shift new tab, in background + * Alt save + * + * Middle-clicking is the same as Ctrl+clicking (it opens a new tab). + * + * Exceptions: + * - Alt is ignored for menu items selected using the keyboard so you don't accidentally save stuff. + * (Currently, the Alt isn't sent here at all for menu items, but that will change in bug 126189.) + * - Alt is hard to use in context menus, because pressing Alt closes the menu. + * - Alt can't be used on the bookmarks toolbar because Alt is used for "treat this as something draggable". + * - The button is ignored for the middle-click-paste-URL feature, since it's always a middle-click. + */ +function whereToOpenLink( e, ignoreButton, ignoreAlt ) +{ + // This method must treat a null event like a left click without modifier keys (i.e. + // e = { shiftKey:false, ctrlKey:false, metaKey:false, altKey:false, button:0 }) + // for compatibility purposes. + if (!e) + return "current"; + + var shift = e.shiftKey; + var ctrl = e.ctrlKey; + var meta = e.metaKey; + var alt = e.altKey && !ignoreAlt; + + // ignoreButton allows "middle-click paste" to use function without always opening in a new window. + var middle = !ignoreButton && e.button == 1; + var middleUsesTabs = getBoolPref("browser.tabs.opentabfor.middleclick", true); + + // Don't do anything special with right-mouse clicks. They're probably clicks on context menu items. + +#ifdef XP_MACOSX + if (meta || (middle && middleUsesTabs)) +#else + if (ctrl || (middle && middleUsesTabs)) +#endif + return shift ? "tabshifted" : "tab"; + + if (alt && getBoolPref("browser.altClickSave", false)) + return "save"; + + if (shift || (middle && !middleUsesTabs)) + return "window"; + + return "current"; +} + +/* openUILinkIn opens a URL in a place specified by the parameter |where|. + * + * |where| can be: + * "current" current tab (if there aren't any browser windows, then in a new window instead) + * "tab" new tab (if there aren't any browser windows, then in a new window instead) + * "tabshifted" same as "tab" but in background if default is to select new tabs, and vice versa + * "window" new window + * "save" save to disk (with no filename hint!) + * + * aAllowThirdPartyFixup controls whether third party services such as Google's + * I Feel Lucky are allowed to interpret this URL. This parameter may be + * undefined, which is treated as false. + * + * Instead of aAllowThirdPartyFixup, you may also pass an object with any of + * these properties: + * allowThirdPartyFixup (boolean) + * postData (nsIInputStream) + * referrerURI (nsIURI) + * relatedToCurrent (boolean) + */ +function openUILinkIn(url, where, aAllowThirdPartyFixup, aPostData, aReferrerURI) { + var params; + + if (arguments.length == 3 && typeof arguments[2] == "object") { + params = aAllowThirdPartyFixup; + } else { + params = { + allowThirdPartyFixup: aAllowThirdPartyFixup, + postData: aPostData, + referrerURI: aReferrerURI + }; + } + + params.fromChrome = true; + + openLinkIn(url, where, params); +} + +function openLinkIn(url, where, params) { + if (!where || !url) + return; + + var aFromChrome = params.fromChrome; + var aAllowThirdPartyFixup = params.allowThirdPartyFixup; + var aPostData = params.postData; + var aCharset = params.charset; + var aReferrerURI = params.referrerURI; + var aRelatedToCurrent = params.relatedToCurrent; + var aInBackground = params.inBackground; + var aDisallowInheritPrincipal = params.disallowInheritPrincipal; + var aInitiatingDoc = params.initiatingDoc; + var aIsPrivate = params.private; + var sendReferrerURI = true; + + if (where == "save") { + if (!aInitiatingDoc) { + Components.utils.reportError("openUILink/openLinkIn was called with " + + "where == 'save' but without initiatingDoc. See bug 814264."); + return; + } + saveURL(url, null, null, true, null, aReferrerURI, aInitiatingDoc); + return; + } + const Cc = Components.classes; + const Ci = Components.interfaces; + + var w = getTopWin(); + if ((where == "tab" || where == "tabshifted") && + w && !w.toolbar.visible) { + w = getTopWin(true); + aRelatedToCurrent = false; + } + + if (!w || where == "window") { + // Strip referrer data when opening a new private window, to prevent + // regular browsing data from leaking into it. + if (aIsPrivate) { + sendReferrerURI = false; + } + + var sa = Cc["@mozilla.org/supports-array;1"]. + createInstance(Ci.nsISupportsArray); + + var wuri = Cc["@mozilla.org/supports-string;1"]. + createInstance(Ci.nsISupportsString); + wuri.data = url; + + let charset = null; + if (aCharset) { + charset = Cc["@mozilla.org/supports-string;1"] + .createInstance(Ci.nsISupportsString); + charset.data = "charset=" + aCharset; + } + + var allowThirdPartyFixupSupports = Cc["@mozilla.org/supports-PRBool;1"]. + createInstance(Ci.nsISupportsPRBool); + allowThirdPartyFixupSupports.data = aAllowThirdPartyFixup; + + sa.AppendElement(wuri); + sa.AppendElement(charset); + if (sendReferrerURI) + sa.AppendElement(aReferrerURI); + sa.AppendElement(aPostData); + sa.AppendElement(allowThirdPartyFixupSupports); + + let features = "chrome,dialog=no,all"; + if (aIsPrivate) { + features += ",private"; + } + + Services.ww.openWindow(w || window, getBrowserURL(), null, features, sa); + return; + } + + let loadInBackground = where == "current" ? false : aInBackground; + if (loadInBackground == null) { + loadInBackground = aFromChrome ? + false : + getBoolPref("browser.tabs.loadInBackground"); + } + + if (where == "current" && w.gBrowser.selectedTab.pinned) { + try { + let uriObj = Services.io.newURI(url, null, null); + if (!uriObj.schemeIs("javascript") && + w.gBrowser.currentURI.host != uriObj.host) { + where = "tab"; + loadInBackground = false; + } + } catch (err) { + where = "tab"; + loadInBackground = false; + } + } + + // Raise the target window before loading the URI, since loading it may + // result in a new frontmost window (e.g. "javascript:window.open('');"). + w.focus(); + + switch (where) { + case "current": + let flags = Ci.nsIWebNavigation.LOAD_FLAGS_NONE; + if (aAllowThirdPartyFixup) { + flags |= Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP; + flags |= Ci.nsIWebNavigation.LOAD_FLAGS_FIXUP_SCHEME_TYPOS; + } + if (aDisallowInheritPrincipal) + flags |= Ci.nsIWebNavigation.LOAD_FLAGS_DISALLOW_INHERIT_OWNER; + w.gBrowser.loadURIWithFlags(url, flags, aReferrerURI, null, aPostData); + break; + case "tabshifted": + loadInBackground = !loadInBackground; + // fall through + case "tab": + let browser = w.gBrowser; + browser.loadOneTab(url, { + referrerURI: aReferrerURI, + charset: aCharset, + postData: aPostData, + inBackground: loadInBackground, + allowThirdPartyFixup: aAllowThirdPartyFixup, + relatedToCurrent: aRelatedToCurrent}); + break; + } + + w.gBrowser.selectedBrowser.focus(); + + if (!loadInBackground && w.isBlankPageURL(url)) + w.focusAndSelectUrlBar(); +} + +// Used as an onclick handler for UI elements with link-like behavior. +// e.g. onclick="checkForMiddleClick(this, event);" +function checkForMiddleClick(node, event) { + // We should be using the disabled property here instead of the attribute, + // but some elements that this function is used with don't support it (e.g. + // menuitem). + if (node.getAttribute("disabled") == "true") + return; // Do nothing + + if (event.button == 1) { + /* Execute the node's oncommand or command. + * + * XXX: we should use node.oncommand(event) once bug 246720 is fixed. + */ + var target = node.hasAttribute("oncommand") ? node : + node.ownerDocument.getElementById(node.getAttribute("command")); + var fn = new Function("event", target.getAttribute("oncommand")); + fn.call(target, event); + + // If the middle-click was on part of a menu, close the menu. + // (Menus close automatically with left-click but not with middle-click.) + closeMenus(event.target); + } +} + +// Closes all popups that are ancestors of the node. +function closeMenus(node) +{ + if ("tagName" in node) { + if (node.namespaceURI == "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" + && (node.tagName == "menupopup" || node.tagName == "popup")) + node.hidePopup(); + + closeMenus(node.parentNode); + } +} + +// Gather all descendent text under given document node. +function gatherTextUnder ( root ) +{ + var text = ""; + var node = root.firstChild; + var depth = 1; + while ( node && depth > 0 ) { + // See if this node is text. + if ( node.nodeType == Node.TEXT_NODE ) { + // Add this text to our collection. + text += " " + node.data; + } else if ( node instanceof HTMLImageElement) { + // If it has an alt= attribute, use that. + var altText = node.getAttribute( "alt" ); + if ( altText && altText != "" ) { + text = altText; + break; + } + } + // Find next node to test. + // First, see if this node has children. + if ( node.hasChildNodes() ) { + // Go to first child. + node = node.firstChild; + depth++; + } else { + // No children, try next sibling (or parent next sibling). + while ( depth > 0 && !node.nextSibling ) { + node = node.parentNode; + depth--; + } + if ( node.nextSibling ) { + node = node.nextSibling; + } + } + } + // Strip leading whitespace. + text = text.replace( /^\s+/, "" ); + // Strip trailing whitespace. + text = text.replace( /\s+$/, "" ); + // Compress remaining whitespace. + text = text.replace( /\s+/g, " " ); + return text; +} + +function getShellService() +{ + var shell = null; + try { + shell = Components.classes["@mozilla.org/browser/shell-service;1"] + .getService(Components.interfaces.nsIShellService); + } catch (e) { + } + return shell; +} + +function isBidiEnabled() { + // first check the pref. + if (getBoolPref("bidi.browser.ui", false)) + return true; + + // if the pref isn't set, check for an RTL locale and force the pref to true + // if we find one. + var rv = false; + + try { + var localeService = Components.classes["@mozilla.org/intl/nslocaleservice;1"] + .getService(Components.interfaces.nsILocaleService); + var systemLocale = localeService.getSystemLocale().getCategory("NSILOCALE_CTYPE").substr(0,3); + + switch (systemLocale) { + case "ar-": + case "he-": + case "fa-": + case "ur-": + case "syr": + rv = true; + Services.prefs.setBoolPref("bidi.browser.ui", true); + } + } catch (e) {} + + return rv; +} + +function openAboutDialog() { + var enumerator = Services.wm.getEnumerator("Browser:About"); + while (enumerator.hasMoreElements()) { + // Only open one about window (Bug 599573) + let win = enumerator.getNext(); + win.focus(); + return; + } + +#ifdef XP_WIN + var features = "chrome,centerscreen,dependent"; +#elifdef XP_MACOSX + var features = "chrome,resizable=no,minimizable=no"; +#else + var features = "chrome,centerscreen,dependent,dialog=no"; +#endif + window.openDialog("chrome://browser/content/aboutDialog.xul", "", features); +} + +function openPreferences(paneID, extraArgs) +{ + var instantApply = getBoolPref("browser.preferences.instantApply", false); + var features = "chrome,titlebar,toolbar,centerscreen" + (instantApply ? ",dialog=no" : ",modal"); + + var win = Services.wm.getMostRecentWindow("Browser:Preferences"); + if (win) { + win.focus(); + if (paneID) { + var pane = win.document.getElementById(paneID); + win.document.documentElement.showPane(pane); + } + + if (extraArgs && extraArgs["advancedTab"]) { + var advancedPaneTabs = win.document.getElementById("advancedPrefs"); + advancedPaneTabs.selectedTab = win.document.getElementById(extraArgs["advancedTab"]); + } + + return win; + } + + return openDialog("chrome://browser/content/preferences/preferences.xul", + "Preferences", features, paneID, extraArgs); +} + +function openAdvancedPreferences(tabID) +{ + openPreferences("paneAdvanced", { "advancedTab" : tabID }); +} + +/** + * Opens the troubleshooting information (about:support) page for this version + * of the application. + */ +function openTroubleshootingPage() +{ + openUILinkIn("about:support", "tab"); +} + +/** + * Opens the feedback page for this version of the application. + */ +function openFeedbackPage() +{ + openUILinkIn(Services.prefs.getCharPref("browser.feedback.url"), "tab"); +} + +function buildHelpMenu() +{ + // Enable/disable the "Report Web Forgery" menu item. + if (typeof gSafeBrowsing != "undefined") + gSafeBrowsing.setReportPhishingMenu(); +} + +function isElementVisible(aElement) +{ + if (!aElement) + return false; + + // If aElement or a direct or indirect parent is hidden or collapsed, + // height, width or both will be 0. + var bo = aElement.boxObject; + return (bo.height > 0 && bo.width > 0); +} + +function makeURLAbsolute(aBase, aUrl) +{ + // Note: makeURI() will throw if aUri is not a valid URI + return makeURI(aUrl, null, makeURI(aBase)).spec; +} + + +/** + * openNewTabWith: opens a new tab with the given URL. + * + * @param aURL + * The URL to open (as a string). + * @param aDocument + * The document from which the URL came, or null. This is used to set the + * referrer header and to do a security check of whether the document is + * allowed to reference the URL. If null, there will be no referrer + * header and no security check. + * @param aPostData + * Form POST data, or null. + * @param aEvent + * The triggering event (for the purpose of determining whether to open + * in the background), or null. + * @param aAllowThirdPartyFixup + * If true, then we allow the URL text to be sent to third party services + * (e.g., Google's I Feel Lucky) for interpretation. This parameter may + * be undefined in which case it is treated as false. + * @param [optional] aReferrer + * If aDocument is null, then this will be used as the referrer. + * There will be no security check. + */ +function openNewTabWith(aURL, aDocument, aPostData, aEvent, + aAllowThirdPartyFixup, aReferrer) { + if (aDocument) + urlSecurityCheck(aURL, aDocument.nodePrincipal); + + // As in openNewWindowWith(), we want to pass the charset of the + // current document over to a new tab. + var originCharset = aDocument && aDocument.characterSet; + if (!originCharset && + document.documentElement.getAttribute("windowtype") == "navigator:browser") + originCharset = window.content.document.characterSet; + + openLinkIn(aURL, aEvent && aEvent.shiftKey ? "tabshifted" : "tab", + { charset: originCharset, + postData: aPostData, + allowThirdPartyFixup: aAllowThirdPartyFixup, + referrerURI: aDocument ? aDocument.documentURIObject : aReferrer }); +} + +function openNewWindowWith(aURL, aDocument, aPostData, aAllowThirdPartyFixup, aReferrer) { + if (aDocument) + urlSecurityCheck(aURL, aDocument.nodePrincipal); + + // if and only if the current window is a browser window and it has a + // document with a character set, then extract the current charset menu + // setting from the current document and use it to initialize the new browser + // window... + var originCharset = aDocument && aDocument.characterSet; + if (!originCharset && + document.documentElement.getAttribute("windowtype") == "navigator:browser") + originCharset = window.content.document.characterSet; + + openLinkIn(aURL, "window", + { charset: originCharset, + postData: aPostData, + allowThirdPartyFixup: aAllowThirdPartyFixup, + referrerURI: aDocument ? aDocument.documentURIObject : aReferrer }); +} + +/** + * isValidFeed: checks whether the given data represents a valid feed. + * + * @param aLink + * An object representing a feed with title, href and type. + * @param aPrincipal + * The principal of the document, used for security check. + * @param aIsFeed + * Whether this is already a known feed or not, if true only a security + * check will be performed. + */ +function isValidFeed(aLink, aPrincipal, aIsFeed) +{ + if (!aLink || !aPrincipal) + return false; + + var type = aLink.type.toLowerCase().replace(/^\s+|\s*(?:;.*)?$/g, ""); + if (!aIsFeed) { + aIsFeed = (type == "application/rss+xml" || + type == "application/atom+xml"); + } + + if (aIsFeed) { + try { + urlSecurityCheck(aLink.href, aPrincipal, + Components.interfaces.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL); + return type || "application/rss+xml"; + } + catch(ex) { + } + } + + return null; +} + +// aCalledFromModal is optional +function openHelpLink(aHelpTopic, aCalledFromModal) { + var url = Components.classes["@mozilla.org/toolkit/URLFormatterService;1"] + .getService(Components.interfaces.nsIURLFormatter) + .formatURLPref("app.support.baseURL"); + url += aHelpTopic; + + var where = aCalledFromModal ? "window" : "tab"; + openUILinkIn(url, where); +} + +function openPrefsHelp() { + // non-instant apply prefwindows are usually modal, so we can't open in the topmost window, + // since its probably behind the window. + var instantApply = getBoolPref("browser.preferences.instantApply"); + + var helpTopic = document.getElementsByTagName("prefwindow")[0].currentPane.helpTopic; + openHelpLink(helpTopic, !instantApply); +} + +function trimURL(aURL) { + // This function must not modify the given URL such that calling + // nsIURIFixup::createFixupURI with the result will produce a different URI. + return aURL /* remove single trailing slash for http/https/ftp URLs */ + .replace(/^((?:http|https|ftp):\/\/[^/]+)\/$/, "$1") + /* remove http:// unless the host starts with "ftp\d*\." or contains "@" */ + .replace(/^http:\/\/((?!ftp\d*\.)[^\/@]+(?:\/|$))/, "$1"); +} |