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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Plugin Finder Service.
- *
- * The Initial Developer of the Original Code is
- * IBM Corporation.
- * Portions created by the IBM Corporation are Copyright (C) 2004-2005
- * IBM Corporation. All Rights Reserved.
- *
- * Contributor(s):
- * Doron Rosenberg <doronr@us.ibm.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- const RDF_NS = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
- const PFS_NS = "http://www.mozilla.org/2004/pfs-rdf#";
-
- function nsRDFItemUpdater(aClientOS, aChromeLocale){
- this._rdfService = Components.classes["@mozilla.org/rdf/rdf-service;1"]
- .getService(Components.interfaces.nsIRDFService);
- this._os = Components.classes["@mozilla.org/observer-service;1"]
- .getService(Components.interfaces.nsIObserverService);
-
- var app = Components.classes["@mozilla.org/xre/app-info;1"]
- .getService(Components.interfaces.nsIXULAppInfo);
- this.appID = app.ID;
- this.buildID = app.platformBuildID;
-
- this.clientOS = aClientOS;
- this.chromeLocale = aChromeLocale;
-
- var prefBranch = Components.classes["@mozilla.org/preferences-service;1"]
- .getService(Components.interfaces.nsIPrefBranch);
- this.dsURI = prefBranch.getCharPref("pfs.datasource.url");
- }
-
- nsRDFItemUpdater.prototype = {
- checkForPlugin: function (aPluginRequestItem){
- var dsURI = this.dsURI;
- // escape the mimetype as mimetypes can contain '+', which will break pfs.
- dsURI = dsURI.replace(/%PLUGIN_MIMETYPE%/g, encodeURIComponent(aPluginRequestItem.mimetype));
- dsURI = dsURI.replace(/%APP_ID%/g, this.appID);
- dsURI = dsURI.replace(/%APP_VERSION%/g, this.buildID);
- dsURI = dsURI.replace(/%CLIENT_OS%/g, this.clientOS);
- dsURI = dsURI.replace(/%CHROME_LOCALE%/g, this.chromeLocale);
-
- var ds = this._rdfService.GetDataSource(dsURI);
- var rds = ds.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource)
- if (rds.loaded)
- this.onDatasourceLoaded(ds, aPluginRequestItem);
- else {
- var sink = ds.QueryInterface(Components.interfaces.nsIRDFXMLSink);
- sink.addXMLSinkObserver(new nsPluginXMLRDFDSObserver(this, aPluginRequestItem));
- }
- },
-
- onDatasourceLoaded: function pfs_onDatasourceLoaded (aDatasource, aPluginRequestItem){
- var container = Components.classes["@mozilla.org/rdf/container;1"].
- createInstance(Components.interfaces.nsIRDFContainer);
- var resultRes = this._rdfService.GetResource("urn:mozilla:plugin-results:" + aPluginRequestItem.mimetype);
- var pluginList = aDatasource.GetTarget(resultRes, this._rdfService.GetResource(PFS_NS+"plugins"), true);
-
- var pluginInfo = null;
-
- container = Components.classes["@mozilla.org/rdf/container;1"].createInstance(Components.interfaces.nsIRDFContainer);
- try {
- container.Init(aDatasource, pluginList);
-
- var children = container.GetElements();
- var target;
-
- // get the first item
- var child = children.getNext();
- if (child instanceof Components.interfaces.nsIRDFResource){
- var name = this._rdfService.GetResource("http://www.mozilla.org/2004/pfs-rdf#updates");
- target = aDatasource.GetTarget(child, name, true);
- }
-
- try {
- container.Init(aDatasource, target);
- target = null;
- children = container.GetElements();
-
- var child = children.getNext();
- if (child instanceof Components.interfaces.nsIRDFResource){
- target = child;
- }
-
- function getPFSValueFromRDF(aValue, aDatasource, aRDFService){
- var rv = null;
-
- var myTarget = aDatasource.GetTarget(target, aRDFService.GetResource(PFS_NS + aValue), true);
- if (myTarget)
- rv = myTarget.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
-
- return rv;
- }
-
- pluginInfo = new Object();
- pluginInfo.name = getPFSValueFromRDF("name", aDatasource, this._rdfService);
- pluginInfo.pid = getPFSValueFromRDF("guid", aDatasource, this._rdfService);
- pluginInfo.version = getPFSValueFromRDF("version", aDatasource, this._rdfService);
- pluginInfo.IconUrl = getPFSValueFromRDF("IconUrl", aDatasource, this._rdfService);
- pluginInfo.XPILocation = getPFSValueFromRDF("XPILocation", aDatasource, this._rdfService);
- pluginInfo.InstallerShowsUI = getPFSValueFromRDF("InstallerShowsUI", aDatasource, this._rdfService);
- pluginInfo.manualInstallationURL = getPFSValueFromRDF("manualInstallationURL", aDatasource, this._rdfService);
- pluginInfo.requestedMimetype = getPFSValueFromRDF("requestedMimetype", aDatasource, this._rdfService);
- pluginInfo.licenseURL = getPFSValueFromRDF("licenseURL", aDatasource, this._rdfService);
- pluginInfo.needsRestart = getPFSValueFromRDF("needsRestart", aDatasource, this._rdfService);
- }
- catch (ex){}
- }
- catch (ex){}
-
- gPluginInstaller.pluginInfoReceived(pluginInfo);
- },
-
- onDatasourceError: function pfs_onDatasourceError (aPluginRequestItem, aError){
- this._os.notifyObservers(aPluginRequestItem, "error", aError);
- gPluginInstaller.pluginInfoReceived(null);
- },
- };
-
- function nsPluginXMLRDFDSObserver(aUpdater, aPluginRequestItem){
- this._updater = aUpdater;
- this._item = aPluginRequestItem;
- }
-
- nsPluginXMLRDFDSObserver.prototype =
- {
- _updater : null,
- _item : null,
-
- // nsIRDFXMLSinkObserver
- onBeginLoad: function(aSink){},
- onInterrupt: function(aSink){},
- onResume: function(aSink){},
- onEndLoad: function(aSink){
- aSink.removeXMLSinkObserver(this);
-
- var ds = aSink.QueryInterface(Components.interfaces.nsIRDFDataSource);
- this._updater.onDatasourceLoaded(ds, this._item);
- },
-
- onError: function(aSink, aStatus, aErrorMsg){
- aSink.removeXMLSinkObserver(this);
- this._updater.onDatasourceError(this._item, aStatus.toString());
- }
- };
-