public void CSharpInvokingJavascriptComObjects()
{
// Note: Firefox 17 removed enablePrivilege #546848 - refactored test so that javascript to create "@mozillazine.org/example/priority;1" is now executated by AutoJsContext
// Register a C# COM Object
// TODO would be nice to get nsIComponentRegistrar the xpcom way with CreateInstance
// ie Xpcom.CreateInstance<nsIComponentRegistrar>(...
Guid aClass = new Guid("a7139c0e-962c-44b6-bec3-aaaaaaaaaaac");
var factory = new MyCSharpClassThatContainsXpComJavascriptObjectsFactory();
Xpcom.ComponentRegistrar.RegisterFactory(ref aClass, "Example C sharp com component", "@geckofx/myclass;1", factory);
// In order to use Components.classes etc we need to enable certan privileges.
GeckoPreferences.User["capability.principal.codebase.p0.granted"] = "UniversalXPConnect";
GeckoPreferences.User["capability.principal.codebase.p0.id"] = "file://";
GeckoPreferences.User["capability.principal.codebase.p0.subjectName"] = "";
GeckoPreferences.User["security.fileuri.strict_origin_policy"] = false;
#if PORT
browser.JavascriptError += (x, w) => Console.WriteLine("Message = {0}", w.Message);
#endif
string intialPage = "<html><body></body></html>";
string initialjavascript =
"var myClassInstance = Components.classes['@geckofx/myclass;1'].createInstance(Components.interfaces.nsIWebPageDescriptor);" +
"var reg = myClassInstance.currentDescriptor.QueryInterface(Components.interfaces.nsIComponentRegistrar);" +
"Components.utils.import(\"resource://gre/modules/XPCOMUtils.jsm\"); " +
"const nsISupportsPriority = Components.interfaces.nsISupportsPriority;" +
"const nsISupports = Components.interfaces.nsISupports;" +
"const CLASS_ID = Components.ID(\"{1C0E8D86-B661-40d0-AE3D-CA012FADF170}\");" +
"const CLASS_NAME = \"My Supports Priority Component\";" +
"const CONTRACT_ID = \"@mozillazine.org/example/priority;1\";" +
"function MyPriority() {" +
" this._priority = nsISupportsPriority.PRIORITY_LOWEST;"+
"};" +
"MyPriority.prototype = {" +
" _priority: null," +
" get priority() { return this._priority; }," +
" set priority(aValue) { this._priority = aValue; }," +
" adjustPriority: function(aDelta) {" +
" this._priority += aDelta;"+
" }," +
" QueryInterface: function(aIID)" +
" { " +
" /*if (!aIID.equals(nsISupportsPriority) && "+
" !aIID.equals(nsISupports))"+
" throw Components.results.NS_ERROR_NO_INTERFACE;*/"+
" return this;"+
" }" +
"};" +
"" +
"var MyPriorityFactory = {" +
" createInstance: function (aOuter, aIID)" +
" { " +
" if (aOuter != null)"+
" throw Components.results.NS_ERROR_NO_AGGREGATION; "+
" return (new MyPriority()).QueryInterface(aIID);"+
" }" +
"};" +
"" +
"var MyPriorityModule = {" +
" _firstTime: true," +
" registerSelf: function(aCompMgr, aFileSpec, aLocation, aType)" +
" {" +
" aCompMgr = aCompMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);"+
" aCompMgr.registerFactory(CLASS_ID, CLASS_NAME, CONTRACT_ID, MyPriorityFactory);"+
" }," +
"" +
" unregisterSelf: function(aCompMgr, aLocation, aType)" +
" {" +
" aCompMgr = aCompMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);"+
" aCompMgr.unregisterFactoryLocation(CLASS_ID, aLocation); "+
" }," +
"" +
" getClassObject: function(aCompMgr, aCID, aIID)" +
" {alert('hi');" +
" if (!aIID.equals(Components.interfaces.nsIFactory))"+
" throw Components.results.NS_ERROR_NOT_IMPLEMENTED;"+
"" +
" if (aCID.equals(CLASS_ID))"+
" return MyPriorityFactory;"+
"" +
" throw Components.results.NS_ERROR_NO_INTERFACE;"+
" }," +
"" +
" canUnload: function(aCompMgr) { return true; }" +
"};" +
"MyPriorityModule.registerSelf(reg);" +
"";
// Create temp file to load
var tempfilename = Path.GetTempFileName();
tempfilename += ".html";
using (TextWriter tw = new StreamWriter(tempfilename))
{
tw.WriteLine(intialPage);
tw.Close();
}
browser.Navigate(tempfilename);
browser.NavigateFinishedNotifier.BlockUntilNavigationFinished();
using (var context = new AutoJSContext(GlobalJSContextHolder.BackstageJSContext))
{
string result = String.Empty;
var success = context.EvaluateScript(initialjavascript, out result);
Console.WriteLine("success = {0} result = {1}", success, result);
}
File.Delete(tempfilename);
// Create instance of javascript xpcom objects
var p = Xpcom.CreateInstance <nsISupportsPriority>("@mozillazine.org/example/priority;1");
Assert.NotNull(p);
// test invoking method of javascript xpcom object.
Assert.AreEqual(20, p.GetPriorityAttribute());
Xpcom.ComponentRegistrar.UnregisterFactory(ref aClass, factory);
}
public void CSharpInvokingJavascriptComObjects()
{
// Note: Firefox 17 removed enablePrivilege #546848 - refactored test so that javascript to create "@mozillazine.org/example/priority;1" is now executated by AutoJsContext
// Register a C# COM Object
// TODO would be nice to get nsIComponentRegistrar the xpcom way with CreateInstance
// ie Xpcom.CreateInstance<nsIComponentRegistrar>(...
Guid aClass = new Guid("a7139c0e-962c-44b6-bec3-aaaaaaaaaaac");
var factory = new MyCSharpClassThatContainsXpComJavascriptObjectsFactory();
Xpcom.ComponentRegistrar.RegisterFactory(ref aClass, "Example C sharp com component", "@geckofx/myclass;1", factory);
// In order to use Components.classes etc we need to enable certan privileges.
GeckoPreferences.User["capability.principal.codebase.p0.granted"] = "UniversalXPConnect";
GeckoPreferences.User["capability.principal.codebase.p0.id"] = "file://";
GeckoPreferences.User["capability.principal.codebase.p0.subjectName"] = "";
GeckoPreferences.User["security.fileuri.strict_origin_policy"] = false;
browser.JavascriptError += (x, w) => Console.WriteLine("Message = {0}", w.Message);
string intialPage = "<html><body></body></html>";
string initialjavascript =
"var myClassInstance = Components.classes['@geckofx/myclass;1'].createInstance(Components.interfaces.nsIWebPageDescriptor);" +
"var reg = myClassInstance.currentDescriptor.QueryInterface(Components.interfaces.nsIComponentRegistrar);" +
"Components.utils.import(\"resource://gre/modules/XPCOMUtils.jsm\"); " +
"const nsISupportsPriority = Components.interfaces.nsISupportsPriority;" +
"const nsISupports = Components.interfaces.nsISupports;" +
"const CLASS_ID = Components.ID(\"{1C0E8D86-B661-40d0-AE3D-CA012FADF170}\");" +
"const CLASS_NAME = \"My Supports Priority Component\";" +
"const CONTRACT_ID = \"@mozillazine.org/example/priority;1\";" +
"function MyPriority() {" +
" this._priority = nsISupportsPriority.PRIORITY_LOWEST;" +
"};" +
"MyPriority.prototype = {" +
" _priority: null," +
" get priority() { return this._priority; }," +
" set priority(aValue) { this._priority = aValue; }," +
" adjustPriority: function(aDelta) {" +
" this._priority += aDelta;" +
" }," +
" QueryInterface: function(aIID)" +
" { " +
" /*if (!aIID.equals(nsISupportsPriority) && " +
" !aIID.equals(nsISupports))" +
" throw Components.results.NS_ERROR_NO_INTERFACE;*/" +
" return this;" +
" }" +
"};" +
"" +
"var MyPriorityFactory = {" +
" createInstance: function (aOuter, aIID)" +
" { " +
" if (aOuter != null)" +
" throw Components.results.NS_ERROR_NO_AGGREGATION; " +
" return (new MyPriority()).QueryInterface(aIID);" +
" }" +
"};" +
"" +
"var MyPriorityModule = {" +
" _firstTime: true," +
" registerSelf: function(aCompMgr, aFileSpec, aLocation, aType)" +
" {" +
" aCompMgr = aCompMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);" +
" aCompMgr.registerFactory(CLASS_ID, CLASS_NAME, CONTRACT_ID, MyPriorityFactory);" +
" }," +
"" +
" unregisterSelf: function(aCompMgr, aLocation, aType)" +
" {" +
" aCompMgr = aCompMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);" +
" aCompMgr.unregisterFactoryLocation(CLASS_ID, aLocation); " +
" }," +
"" +
" getClassObject: function(aCompMgr, aCID, aIID)" +
" {alert('hi');" +
" if (!aIID.equals(Components.interfaces.nsIFactory))" +
" throw Components.results.NS_ERROR_NOT_IMPLEMENTED;" +
"" +
" if (aCID.equals(CLASS_ID))" +
" return MyPriorityFactory;" +
"" +
" throw Components.results.NS_ERROR_NO_INTERFACE;" +
" }," +
"" +
" canUnload: function(aCompMgr) { return true; }" +
"};" +
"MyPriorityModule.registerSelf(reg);" +
"";
// Create temp file to load
var tempfilename = Path.GetTempFileName();
tempfilename += ".html";
using (TextWriter tw = new StreamWriter(tempfilename))
{
tw.WriteLine(intialPage);
tw.Close();
}
browser.Navigate(tempfilename);
browser.NavigateFinishedNotifier.BlockUntilNavigationFinished();
using (var context = new AutoJSContext(GlobalJSContextHolder.BackstageJSContext))
{
string result = String.Empty;
var success = context.EvaluateScript(initialjavascript, out result);
Console.WriteLine("sucess = {0} result = {1}", success, result);
}
File.Delete(tempfilename);
// Create instance of javascript xpcom objects
var p = Xpcom.CreateInstance<nsISupportsPriority>("@mozillazine.org/example/priority;1");
Assert.NotNull(p);
// test invoking method of javascript xpcom object.
Assert.AreEqual(20, p.GetPriorityAttribute());
Xpcom.ComponentRegistrar.UnregisterFactory(aClass, factory);
}
