public IntPtr ConvertCOMObjectToJSObject(nsISupports obj)
{
Guid guid = typeof(nsISupports).GUID;
IntPtr globalObject = GetGlobalObject();
using (var holder = new ComPtr <nsIXPConnectJSObjectHolder>(Xpcom.XPConnect.Instance.WrapNative(_cx, globalObject, (nsISupports)obj, ref guid)))
{
int slot = holder.GetSlotOfComMethod(new Func <IntPtr>(holder.Instance.GetJSObject));
var getJSObject = holder.GetComMethod <Xpcom.GetJSObjectFromHolderDelegate>(slot);
return(getJSObject(holder.Instance));
}
}
public AutoJSContext(nsIDOMWindow window)
{
var context = SafeJSContext;
var go = (nsIGlobalObject)window;
using (var xpc = new ComPtr <nsIGlobalObject>(go, false))
{
int slot = xpc.GetSlotOfComMethod(new Func <IntPtr>(go.GetGlobalJSObject));
var getGlobalJSObject = xpc.GetComMethod <GetGlobalJSObject>(Xpcom.IsLinux ? 3 : slot);
_globalJSObject = getGlobalJSObject(go);
if (_globalJSObject == IntPtr.Zero)
{
throw new ArgumentException(
"Window does not have a global JSObject. Purhaps the window doesn't have an initalized document?");
}
_contextToGlobalDictionary[context] = _globalJSObject;
_defaultCompartment = new JSAutoCompartment(SafeJSContext, _globalJSObject);
_cx = context;
_window = window;
}
}
public IntPtr ConvertCOMObjectToJSObject(nsISupports obj)
{
Guid guid = typeof(nsISupports).GUID;
IntPtr globalObject = GetGlobalObject();
using (var holder = new ComPtr<nsIXPConnectJSObjectHolder>(Xpcom.XPConnect.Instance.WrapNative(_cx, globalObject, (nsISupports)obj, ref guid)))
{
int slot = holder.GetSlotOfComMethod(new Func<IntPtr>(holder.Instance.GetJSObject));
var getJSObject = holder.GetComMethod<Xpcom.GetJSObjectFromHolderDelegate>(slot);
return getJSObject(holder.Instance);
}
}