diff options
Diffstat (limited to 'comm/suite/components/sidebar/nsSidebar.js')
-rw-r--r-- | comm/suite/components/sidebar/nsSidebar.js | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/comm/suite/components/sidebar/nsSidebar.js b/comm/suite/components/sidebar/nsSidebar.js new file mode 100644 index 0000000000..472ec25a5d --- /dev/null +++ b/comm/suite/components/sidebar/nsSidebar.js @@ -0,0 +1,348 @@ +/* -*- Mode: C++; 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/. */ + +/* + * No magic constructor behaviour, as is de rigeur for XPCOM. + * If you must perform some initialization, and it could possibly fail (even + * due to an out-of-memory condition), you should use an Init method, which + * can convey failure appropriately (thrown exception in JS, + * NS_FAILED(nsresult) return in C++). + * + * In JS, you can actually cheat, because a thrown exception will cause the + * CreateInstance call to fail in turn, but not all languages are so lucky. + * (Though ANSI C++ provides exceptions, they are verboten in Mozilla code + * for portability reasons -- and even when you're building completely + * platform-specific code, you can't throw across an XPCOM method boundary.) + */ + +const DEBUG = false; /* set to false to suppress debug messages */ +const PANELS_RDF_FILE = "UPnls"; /* directory services property to find panels.rdf */ + +const SIDEBAR_CONTRACTID = "@mozilla.org/sidebar;1"; +const SIDEBAR_CID = Components.ID("{22117140-9c6e-11d3-aaf1-00805f8a4905}"); +const CONTAINER_CONTRACTID = "@mozilla.org/rdf/container;1"; +const NETSEARCH_CONTRACTID = "@mozilla.org/rdf/datasource;1?name=internetsearch" +const nsISupports = Ci.nsISupports; +const nsISidebar = Ci.nsISidebar; +const nsIRDFContainer = Ci.nsIRDFContainer; +const nsIProperties = Ci.nsIProperties; +const nsIFileURL = Ci.nsIFileURL; +const nsIRDFRemoteDataSource = Ci.nsIRDFRemoteDataSource; +const nsIClassInfo = Ci.nsIClassInfo; + +// File extension for Sherlock search plugin description files +const SHERLOCK_FILE_EXT_REGEXP = /\.src$/i; + +var {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm"); +var {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm"); + +function nsSidebar() +{ + const RDF_CONTRACTID = "@mozilla.org/rdf/rdf-service;1"; + const nsIRDFService = Ci.nsIRDFService; + + this.rdf = Cc[RDF_CONTRACTID].getService(nsIRDFService); + this.datasource_uri = getSidebarDatasourceURI(PANELS_RDF_FILE); + gDebugLog('datasource_uri is ' + this.datasource_uri); + this.resource = 'urn:sidebar:current-panel-list'; + this.datasource = this.rdf.GetDataSource(this.datasource_uri); +} + +nsSidebar.prototype.nc = "http://home.netscape.com/NC-rdf#"; + +nsSidebar.prototype.isPanel = +function (aContentURL) +{ + var container = + Cc[CONTAINER_CONTRACTID].createInstance(nsIRDFContainer); + + container.Init(this.datasource, this.rdf.GetResource(this.resource)); + + /* Create a resource for the new panel and add it to the list */ + var panel_resource = + this.rdf.GetResource("urn:sidebar:3rdparty-panel:" + aContentURL); + + return (container.IndexOf(panel_resource) != -1); +} + +function sidebarURLSecurityCheck(url) +{ + if (!/(^http:|^ftp:|^https:)/i.test(url)) + throw "Script attempted to add sidebar panel from illegal source"; +} + +/* decorate prototype to provide ``class'' methods and property accessors */ +nsSidebar.prototype.addPanel = +function (aTitle, aContentURL, aCustomizeURL) +{ + gDebugLog("addPanel(" + aTitle + ", " + aContentURL + ", " + + aCustomizeURL + ")"); + + return this.addPanelInternal(aTitle, aContentURL, aCustomizeURL, false); +} + +nsSidebar.prototype.addPersistentPanel = +function(aTitle, aContentURL, aCustomizeURL) +{ + gDebugLog("addPersistentPanel(" + aTitle + ", " + aContentURL + ", " + + aCustomizeURL + ")\n"); + + return this.addPanelInternal(aTitle, aContentURL, aCustomizeURL, true); +} + +nsSidebar.prototype.addPanelInternal = +function (aTitle, aContentURL, aCustomizeURL, aPersist) +{ + sidebarURLSecurityCheck(aContentURL); + + // Create a "container" wrapper around the current panels to + // manipulate the RDF:Seq more easily. + var panel_list = this.datasource.GetTarget(this.rdf.GetResource(this.resource), this.rdf.GetResource(nsSidebar.prototype.nc+"panel-list"), true); + if (panel_list) { + panel_list.QueryInterface(Ci.nsIRDFResource); + } else { + // Datasource is busted. Start over. + gDebugLog("Sidebar datasource is busted\n"); + } + + var container = Cc[CONTAINER_CONTRACTID].createInstance(nsIRDFContainer); + container.Init(this.datasource, panel_list); + + /* Create a resource for the new panel and add it to the list */ + var panel_resource = + this.rdf.GetResource("urn:sidebar:3rdparty-panel:" + aContentURL); + var panel_index = container.IndexOf(panel_resource); + var stringBundle, titleMessage, dialogMessage; + if (panel_index != -1) + { + try { + stringBundle = Services.strings.createBundle("chrome://communicator/locale/sidebar/sidebar.properties"); + if (stringBundle) { + titleMessage = stringBundle.GetStringFromName("dupePanelAlertTitle"); + dialogMessage = stringBundle.GetStringFromName("dupePanelAlertMessage2"); + dialogMessage = dialogMessage.replace(/%url%/, aContentURL); + } + } + catch (e) { + titleMessage = "Sidebar"; + dialogMessage = aContentURL + " already exists in Sidebar. No string bundle"; + } + + Services.prompt.alert(null, titleMessage, dialogMessage); + + return; + } + + try { + stringBundle = Services.strings.createBundle("chrome://communicator/locale/sidebar/sidebar.properties"); + if (stringBundle) { + titleMessage = stringBundle.GetStringFromName("addPanelConfirmTitle"); + dialogMessage = stringBundle.GetStringFromName("addPanelConfirmMessage2"); + if (aPersist) + { + var warning = stringBundle.GetStringFromName("persistentPanelWarning2"); + dialogMessage += "\n" + warning; + } + dialogMessage = dialogMessage.replace(/%title%/, aTitle); + dialogMessage = dialogMessage.replace(/%url%/, aContentURL); + dialogMessage = dialogMessage.replace(/#/g, "\n"); + } + } + catch (e) { + titleMessage = "Add Tab to Sidebar"; + dialogMessage = "No string bundle. Add the Tab '" + aTitle + "' to Sidebar?\n\n" + "Source: " + aContentURL; + } + + var rv = Services.prompt.confirm(null, titleMessage, dialogMessage); + + if (!rv) + return; + + /* Now make some sidebar-ish assertions about it... */ + this.datasource.Assert(panel_resource, + this.rdf.GetResource(this.nc + "title"), + this.rdf.GetLiteral(aTitle), + true); + this.datasource.Assert(panel_resource, + this.rdf.GetResource(this.nc + "content"), + this.rdf.GetLiteral(aContentURL), + true); + if (aCustomizeURL) + this.datasource.Assert(panel_resource, + this.rdf.GetResource(this.nc + "customize"), + this.rdf.GetLiteral(aCustomizeURL), + true); + var persistValue = aPersist ? "true" : "false"; + this.datasource.Assert(panel_resource, + this.rdf.GetResource(this.nc + "persist"), + this.rdf.GetLiteral(persistValue), + true); + + container.AppendElement(panel_resource); + + // Use an assertion to pass a "refresh" event to all the sidebars. + // They use observers to watch for this assertion (in sidebarOverlay.js). + this.datasource.Assert(this.rdf.GetResource(this.resource), + this.rdf.GetResource(this.nc + "refresh"), + this.rdf.GetLiteral("true"), + true); + this.datasource.Unassert(this.rdf.GetResource(this.resource), + this.rdf.GetResource(this.nc + "refresh"), + this.rdf.GetLiteral("true")); + + /* Write the modified panels out. */ + this.datasource.QueryInterface(nsIRDFRemoteDataSource).Flush(); +} + +nsSidebar.prototype.validateSearchEngine = +function (engineURL, iconURL) +{ + try + { + // Make sure the URLs are HTTP, HTTPS, or FTP. + var isWeb = /^(https?|ftp):\/\//i; + + if (!isWeb.test(engineURL)) + throw "Unsupported search engine URL"; + + if (iconURL && !isWeb.test(iconURL)) + throw "Unsupported search icon URL."; + } + catch(ex) + { + gDebugLog(ex); + Cu.reportError("Invalid argument passed to window.sidebar.addSearchEngine: " + ex); + + var searchBundle = Services.strings.createBundle("chrome://global/locale/search/search.properties"); + var brandBundle = Services.strings.createBundle("chrome://branding/locale/brand.properties"); + var brandName = brandBundle.GetStringFromName("brandShortName"); + var title = searchBundle.GetStringFromName("error_invalid_engine_title"); + var msg = searchBundle.formatStringFromName("error_invalid_engine_msg", + [brandName], 1); + Services.ww.getNewPrompter(null).alert(title, msg); + return false; + } + + return true; +} + +// The suggestedTitle and suggestedCategory parameters are ignored, but remain +// for backward compatibility. +nsSidebar.prototype.addSearchEngine = +function (engineURL, iconURL, suggestedTitle, suggestedCategory) +{ + gDebugLog("addSearchEngine(" + engineURL + ", " + iconURL + ", " + + suggestedCategory + ", " + suggestedTitle + ")"); + + if (!this.validateSearchEngine(engineURL, iconURL)) + return; + + // OpenSearch files will likely be far more common than Sherlock files, and + // have less consistent suffixes, so we assume that ".src" is a Sherlock + // (text) file, and anything else is OpenSearch (XML). + var dataType; + if (SHERLOCK_FILE_EXT_REGEXP.test(engineURL)) + dataType = Ci.nsISearchEngine.DATA_TEXT; + else + dataType = Ci.nsISearchEngine.DATA_XML; + + Services.search.addEngine(engineURL, dataType, iconURL, true); +} + +// This function exists largely to implement window.external.AddSearchProvider(), +// to match other browsers' APIs. The capitalization, although nonstandard here, +// is therefore important. +nsSidebar.prototype.AddSearchProvider = +function (aDescriptionURL) +{ + // Get the favicon URL for the current page, or our best guess at the current + // page since we don't have easy access to the active document. Most search + // engines will override this with an icon specified in the OpenSearch + // description anyway. + var win = Services.wm.getMostRecentWindow("navigator:browser"); + var browser = win.getBrowser(); + var iconURL = ""; + // Use documentURIObject in the check for shouldLoadFavIcon so that we + // do the right thing with about:-style error pages. Bug 453442 + if (browser.shouldLoadFavIcon(browser.selectedBrowser + .contentDocument + .documentURIObject)) + iconURL = browser.getIcon(); + + if (!this.validateSearchEngine(aDescriptionURL, iconURL)) + return; + + const typeXML = Ci.nsISearchEngine.DATA_XML; + Services.search.addEngine(aDescriptionURL, typeXML, iconURL, true); +} + +// This function exists to implement window.external.IsSearchProviderInstalled(), +// for compatibility with other browsers. It will return an integer value +// indicating whether the given engine is installed for the current user. +// However, it is currently stubbed out due to security/privacy concerns +// stemming from difficulties in determining what domain issued the request. +// See bug 340604 and +// http://msdn.microsoft.com/en-us/library/aa342526%28VS.85%29.aspx . +// XXX Implement this! +nsSidebar.prototype.IsSearchProviderInstalled = +function (aSearchURL) +{ + return 0; +} + +nsSidebar.prototype.classInfo = XPCOMUtils.generateCI({ + classID: SIDEBAR_CID, + contractID: SIDEBAR_CONTRACTID, + classDescription: "Sidebar", + interfaces: [nsISidebar], + flags: nsIClassInfo.DOM_OBJECT}); + +nsSidebar.prototype.QueryInterface = + XPCOMUtils.generateQI([nsISidebar]); + +nsSidebar.prototype.classID = SIDEBAR_CID; + +var NSGetFactory = XPCOMUtils.generateNSGetFactory([nsSidebar]); + +var gDebugLog; + +/* static functions */ +if (DEBUG) + gDebugLog = function (s) { dump("-*- sidebar component: " + s + "\n"); } +else + gDebugLog = function (s) {} + +function getSidebarDatasourceURI(panels_file_id) +{ + try + { + /* use the fileLocator to look in the profile directory + * to find 'panels.rdf', which is the + * database of the user's currently selected panels. + * if <profile>/panels.rdf doesn't exist, get will copy + *bin/defaults/profile/panels.rdf to <profile>/panels.rdf */ + var sidebar_file = Services.dirsvc.get(panels_file_id, + Ci.nsIFile); + + if (!sidebar_file.exists()) + { + /* this should not happen, as GetFileLocation() should copy + * defaults/panels.rdf to the users profile directory */ + gDebugLog("sidebar file does not exist"); + return null; + } + + var file_handler = Services.io.getProtocolHandler("file").QueryInterface(Ci.nsIFileProtocolHandler); + var sidebar_uri = file_handler.getURLSpecFromFile(sidebar_file); + gDebugLog("sidebar uri is " + sidebar_uri); + return sidebar_uri; + } + catch (ex) + { + /* this should not happen */ + gDebugLog("caught " + ex + " getting sidebar datasource uri"); + return null; + } +} |