public void JavaScriptToCSharpCallBack()
{
// 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
const string ComponentManagerCID = "91775d60-d5dc-11d2-92fb-00e09805570f";
nsIComponentRegistrar mgr = (nsIComponentRegistrar)Xpcom.GetObjectForIUnknown((IntPtr)Xpcom.GetService(new Guid(ComponentManagerCID)));
Guid aClass = new Guid("a7139c0e-962c-44b6-bec3-aaaaaaaaaaab");
mgr.RegisterFactory(ref aClass, "Example C sharp com component", "@geckofx/mysharpclass;1", new MyCSharpComClassFactory());
// 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(w.Message);
#endif
string inithtml = "<html><body></body></html>";
string initialjavascript =
"var myClassInstance = Components.classes['@geckofx/mysharpclass;1'].createInstance(Components.interfaces.nsICommandHandler); myClassInstance.exec('hello', 'world');";
// Create temp file to load
var tempfilename = Path.GetTempFileName();
tempfilename += ".html";
using (TextWriter tw = new StreamWriter(tempfilename))
{
tw.WriteLine(inithtml);
tw.Close();
}
browser.Navigate(tempfilename);
browser.NavigateFinishedNotifier.BlockUntilNavigationFinished();
File.Delete(tempfilename);
using (var context = new AutoJSContext(GlobalJSContextHolder.BackstageJSContext))
{
string result = String.Empty;
bool success = context.EvaluateScript(initialjavascript, out result);
Console.WriteLine("success = {1} result = {0}", result, success);
}
// Test the results
Assert.AreEqual(MyCSharpComClass._execCount, 1);
Assert.AreEqual(MyCSharpComClass._aCommand, "hello");
Assert.AreEqual(MyCSharpComClass._aParameters, "world");
}
/// <summary>
/// Registers a factory to be used to instantiate a particular class identified by ClassID, and creates an association of class name and ContractID with the class.
/// </summary>
/// <param name="classID">The ClassID of the class being registered.</param>
/// <param name="className">The name of the class being registered. This value is intended as a human-readable name for the class and need not be globally unique.</param>
/// <param name="contractID">The ContractID of the class being registered.</param>
/// <param name="factory">The nsIFactory instance of the class being registered.</param>
public static void RegisterFactory(Guid classID, string className, string contractID, nsIFactory factory)
{
ComponentRegistrar.RegisterFactory(ref classID, className, contractID, factory);
}