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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.appRelease = app.version;
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(/%APP_RELEASE%/g, this.appRelease);
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;
}
var rdfs = this._rdfService;
function getPFSValueFromRDF(aValue){
var rv = null;
var myTarget = aDatasource.GetTarget(target, rdfs.GetResource(PFS_NS + aValue), true);
if (myTarget)
rv = myTarget.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
return rv;
}
pluginInfo = {
name: getPFSValueFromRDF("name"),
pid: getPFSValueFromRDF("guid"),
version: getPFSValueFromRDF("version"),
IconUrl: getPFSValueFromRDF("IconUrl"),
XPILocation: getPFSValueFromRDF("XPILocation"),
XPIHash: getPFSValueFromRDF("XPIHash"),
InstallerShowsUI: getPFSValueFromRDF("InstallerShowsUI"),
manualInstallationURL: getPFSValueFromRDF("manualInstallationURL"),
requestedMimetype: getPFSValueFromRDF("requestedMimetype"),
licenseURL: getPFSValueFromRDF("licenseURL"),
needsRestart: getPFSValueFromRDF("needsRestart")
};
}
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());
}
};
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