From 6b53c4937b67dc71414d37dd3f4ad5cf407b2c2b Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Tue, 9 Feb 2016 16:38:17 +0100
Subject: [PATCH] Introduce a NewWindowProxy API.

---
 src/glue.rs    |  3 +++
 src/jsglue.cpp | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/glue.rs b/src/glue.rs
index b00959cb5bc97..8796dbe0a27a6 100644
--- a/src/glue.rs
+++ b/src/glue.rs
@@ -208,6 +208,9 @@ extern "C" {
                       aHandler: *const ::libc::c_void, aClass: *const JSClass,
                       aSingleton: bool)
      -> *mut JSObject;
+    pub fn NewWindowProxy(aCx: *mut JSContext, aObj: HandleObject,
+                          aHandler: *const ::libc::c_void)
+     -> *mut JSObject;
     pub fn GetProxyExtra(obj: *mut JSObject, slot: u32) -> Value;
     pub fn GetProxyPrivate(obj: *mut JSObject) -> Value;
     pub fn SetProxyExtra(obj: *mut JSObject, slot: u32, val: Value);
diff --git a/src/jsglue.cpp b/src/jsglue.cpp
index 89ad4df6f3b95..2e99789feeb06 100644
--- a/src/jsglue.cpp
+++ b/src/jsglue.cpp
@@ -529,6 +529,28 @@ WrapperNew(JSContext* aCx, JS::HandleObject aObj, const void* aHandler,
     return js::Wrapper::New(aCx, aObj, (const js::Wrapper*)aHandler, options);
 }
 
+void WindowProxyObjectMoved(JSObject*, const JSObject*)
+{
+    abort();
+}
+
+const js::Class WindowProxyClass =
+    PROXY_CLASS_WITH_EXT(
+        "Proxy",
+        0, /* additional class flags */
+        PROXY_MAKE_EXT(
+            nullptr, /* outerObject */
+            js::proxy_innerObject,
+            false,   /* isWrappedNative */
+            WindowProxyObjectMoved
+        ));
+
+JSObject*
+NewWindowProxy(JSContext* aCx, JS::HandleObject aObj, const void* aHandler)
+{
+    return WrapperNew(aCx, aObj, aHandler, Jsvalify(&WindowProxyClass), true);
+}
+
 jsval
 GetProxyExtra(JSObject* obj, uint32_t slot)
 {