1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/mozapps/plugins/content/pluginInstallerDatasource.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,150 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +const PFS_NS = "http://www.mozilla.org/2004/pfs-rdf#";
1.9 +
1.10 +function nsRDFItemUpdater(aClientOS, aChromeLocale) {
1.11 + this._rdfService = Components.classes["@mozilla.org/rdf/rdf-service;1"]
1.12 + .getService(Components.interfaces.nsIRDFService);
1.13 + this._os = Components.classes["@mozilla.org/observer-service;1"]
1.14 + .getService(Components.interfaces.nsIObserverService);
1.15 +
1.16 + var app = Components.classes["@mozilla.org/xre/app-info;1"]
1.17 + .getService(Components.interfaces.nsIXULAppInfo);
1.18 + this.appID = app.ID;
1.19 + this.buildID = app.platformBuildID;
1.20 + this.appRelease = app.version;
1.21 +
1.22 + this.clientOS = aClientOS;
1.23 + this.chromeLocale = aChromeLocale;
1.24 +
1.25 + var prefBranch = Components.classes["@mozilla.org/preferences-service;1"]
1.26 + .getService(Components.interfaces.nsIPrefBranch);
1.27 + this.dsURI = prefBranch.getCharPref("pfs.datasource.url");
1.28 +}
1.29 +
1.30 +nsRDFItemUpdater.prototype = {
1.31 + checkForPlugin: function (aPluginRequestItem) {
1.32 + var dsURI = this.dsURI;
1.33 + // escape the mimetype as mimetypes can contain '+', which will break pfs.
1.34 + dsURI = dsURI.replace(/%PLUGIN_MIMETYPE%/g, encodeURIComponent(aPluginRequestItem.mimetype));
1.35 + dsURI = dsURI.replace(/%APP_ID%/g, this.appID);
1.36 + dsURI = dsURI.replace(/%APP_VERSION%/g, this.buildID);
1.37 + dsURI = dsURI.replace(/%APP_RELEASE%/g, this.appRelease);
1.38 + dsURI = dsURI.replace(/%CLIENT_OS%/g, this.clientOS);
1.39 + dsURI = dsURI.replace(/%CHROME_LOCALE%/g, this.chromeLocale);
1.40 +
1.41 + var ds = this._rdfService.GetDataSource(dsURI);
1.42 + var rds = ds.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource)
1.43 + if (rds.loaded)
1.44 + this.onDatasourceLoaded(ds, aPluginRequestItem);
1.45 + else {
1.46 + var sink = ds.QueryInterface(Components.interfaces.nsIRDFXMLSink);
1.47 + sink.addXMLSinkObserver(new nsPluginXMLRDFDSObserver(this, aPluginRequestItem));
1.48 + }
1.49 + },
1.50 +
1.51 + onDatasourceLoaded: function pfs_onDatasourceLoaded (aDatasource, aPluginRequestItem) {
1.52 + var container = Components.classes["@mozilla.org/rdf/container;1"]
1.53 + .createInstance(Components.interfaces.nsIRDFContainer);
1.54 + var resultRes = this._rdfService.GetResource("urn:mozilla:plugin-results:" + aPluginRequestItem.mimetype);
1.55 + var pluginList = aDatasource.GetTarget(resultRes, this._rdfService.GetResource(PFS_NS+"plugins"), true);
1.56 +
1.57 + var pluginInfo = null;
1.58 +
1.59 + try {
1.60 + container.Init(aDatasource, pluginList);
1.61 +
1.62 + var children = container.GetElements();
1.63 + var target;
1.64 +
1.65 + // get the first item
1.66 + var child = children.getNext();
1.67 + if (child instanceof Components.interfaces.nsIRDFResource) {
1.68 + var name = this._rdfService.GetResource("http://www.mozilla.org/2004/pfs-rdf#updates");
1.69 + target = aDatasource.GetTarget(child, name, true);
1.70 + }
1.71 +
1.72 + try {
1.73 + container.Init(aDatasource, target);
1.74 + target = null;
1.75 + children = container.GetElements();
1.76 +
1.77 + var child = children.getNext();
1.78 + if (child instanceof Components.interfaces.nsIRDFResource) {
1.79 + target = child;
1.80 + }
1.81 +
1.82 + var rdfs = this._rdfService;
1.83 +
1.84 + function getPFSValueFromRDF(aValue) {
1.85 + var rv = null;
1.86 +
1.87 + var myTarget = aDatasource.GetTarget(target, rdfs.GetResource(PFS_NS + aValue), true);
1.88 + if (myTarget)
1.89 + rv = myTarget.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
1.90 +
1.91 + return rv;
1.92 + }
1.93 +
1.94 + pluginInfo = {
1.95 + name: getPFSValueFromRDF("name"),
1.96 + pid: getPFSValueFromRDF("guid"),
1.97 + version: getPFSValueFromRDF("version"),
1.98 + IconUrl: getPFSValueFromRDF("IconUrl"),
1.99 + InstallerLocation: getPFSValueFromRDF("InstallerLocation"),
1.100 + InstallerHash: getPFSValueFromRDF("InstallerHash"),
1.101 + XPILocation: getPFSValueFromRDF("XPILocation"),
1.102 + XPIHash: getPFSValueFromRDF("XPIHash"),
1.103 + InstallerShowsUI: getPFSValueFromRDF("InstallerShowsUI"),
1.104 + manualInstallationURL: getPFSValueFromRDF("manualInstallationURL"),
1.105 + requestedMimetype: getPFSValueFromRDF("requestedMimetype"),
1.106 + licenseURL: getPFSValueFromRDF("licenseURL"),
1.107 + needsRestart: getPFSValueFromRDF("needsRestart")
1.108 + };
1.109 + }
1.110 + catch (ex) {
1.111 + Components.utils.reportError(ex);
1.112 + }
1.113 + }
1.114 + catch (ex) {
1.115 + Components.utils.reportError(ex);
1.116 + }
1.117 +
1.118 + gPluginInstaller.pluginInfoReceived(aPluginRequestItem, pluginInfo);
1.119 + },
1.120 +
1.121 + onDatasourceError: function pfs_onDatasourceError (aPluginRequestItem, aError) {
1.122 + this._os.notifyObservers(aPluginRequestItem, "error", aError);
1.123 + Components.utils.reportError(aError);
1.124 + gPluginInstaller.pluginInfoReceived(aPluginRequestItem, null);
1.125 + }
1.126 +};
1.127 +
1.128 +function nsPluginXMLRDFDSObserver(aUpdater, aPluginRequestItem) {
1.129 + this._updater = aUpdater;
1.130 + this._item = aPluginRequestItem;
1.131 +}
1.132 +
1.133 +nsPluginXMLRDFDSObserver.prototype =
1.134 +{
1.135 + _updater : null,
1.136 + _item : null,
1.137 +
1.138 + // nsIRDFXMLSinkObserver
1.139 + onBeginLoad: function(aSink) {},
1.140 + onInterrupt: function(aSink) {},
1.141 + onResume: function(aSink) {},
1.142 + onEndLoad: function(aSink) {
1.143 + aSink.removeXMLSinkObserver(this);
1.144 +
1.145 + var ds = aSink.QueryInterface(Components.interfaces.nsIRDFDataSource);
1.146 + this._updater.onDatasourceLoaded(ds, this._item);
1.147 + },
1.148 +
1.149 + onError: function(aSink, aStatus, aErrorMsg) {
1.150 + aSink.removeXMLSinkObserver(this);
1.151 + this._updater.onDatasourceError(this._item, aStatus.toString());
1.152 + }
1.153 +};
