Create the Goanna Runtime Environment

1 files changed, 78 insertions, 0 deletions

diff --git a/dom/base/WindowNamedPropertiesHandler.h b/dom/base/WindowNamedPropertiesHandler.h
new file mode 100644
index 000000000..a69366a2b
--- /dev/null
+++ b/dom/base/WindowNamedPropertiesHandler.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_WindowNamedPropertiesHandler_h
+#define mozilla_dom_WindowNamedPropertiesHandler_h
+
+#include "mozilla/dom/DOMJSProxyHandler.h"
+
+namespace mozilla {
+namespace dom {
+
+class WindowNamedPropertiesHandler : public BaseDOMProxyHandler
+{
+public:
+  WindowNamedPropertiesHandler()
+    : BaseDOMProxyHandler(nullptr, /* hasPrototype = */ true)
+  {
+  }
+  virtual bool
+  getOwnPropDescriptor(JSContext* aCx, JS::Handle<JSObject*> aProxy,
+                       JS::Handle<jsid> aId,
+                       bool /* unused */,
+                       JS::MutableHandle<JS::PropertyDescriptor> aDesc)
+                       const override;
+  virtual bool
+  defineProperty(JSContext* aCx, JS::Handle<JSObject*> aProxy,
+                 JS::Handle<jsid> aId,
+                 JS::Handle<JS::PropertyDescriptor> aDesc,
+                 JS::ObjectOpResult &result) const override;
+  virtual bool
+  ownPropNames(JSContext* aCx, JS::Handle<JSObject*> aProxy, unsigned flags,
+               JS::AutoIdVector& aProps) const override;
+  virtual bool
+  delete_(JSContext* aCx, JS::Handle<JSObject*> aProxy, JS::Handle<jsid> aId,
+          JS::ObjectOpResult &aResult) const override;
+
+  // No need for getPrototypeIfOrdinary here: window named-properties objects
+  // have static prototypes, so the version inherited from BaseDOMProxyHandler
+  // will do the right thing.
+
+  virtual bool
+  preventExtensions(JSContext* aCx, JS::Handle<JSObject*> aProxy,
+                    JS::ObjectOpResult& aResult) const override
+  {
+    return aResult.failCantPreventExtensions();
+  }
+  virtual bool
+  isExtensible(JSContext* aCx, JS::Handle<JSObject*> aProxy,
+               bool* aIsExtensible) const override
+  {
+    *aIsExtensible = true;
+    return true;
+  }
+  virtual const char*
+  className(JSContext *aCx, JS::Handle<JSObject*> aProxy) const override
+  {
+    return "WindowProperties";
+  }
+
+  static const WindowNamedPropertiesHandler*
+  getInstance()
+  {
+    static const WindowNamedPropertiesHandler instance;
+    return &instance;
+  }
+
+  // For Create, aProto is the parent of the interface prototype object of the
+  // Window we're associated with.
+  static JSObject*
+  Create(JSContext *aCx, JS::Handle<JSObject*> aProto);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_WindowNamedPropertiesHandler_h */