Add m-esr52 at 52.6.0

1 files changed, 70 insertions, 0 deletions

diff --git a/dom/bindings/WebIDLGlobalNameHash.h b/dom/bindings/WebIDLGlobalNameHash.h
new file mode 100644
index 000000000..bbe015395
--- /dev/null
+++ b/dom/bindings/WebIDLGlobalNameHash.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_WebIDLGlobalNameHash_h__
+#define mozilla_dom_WebIDLGlobalNameHash_h__
+
+#include "js/RootingAPI.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace dom {
+
+struct WebIDLNameTableEntry;
+
+class WebIDLGlobalNameHash
+{
+public:
+  static void Init();
+  static void Shutdown();
+
+  typedef JSObject*
+  (*DefineGlobalName)(JSContext* cx, JS::Handle<JSObject*> global,
+                      JS::Handle<jsid> id, bool defineOnGlobal);
+
+  // Check whether a constructor should be enabled for the given object.
+  // Note that the object should NOT be an Xray, since Xrays will end up
+  // defining constructors on the underlying object.
+  // This is a typedef for the function type itself, not the function
+  // pointer, so it's more obvious that pointers to a ConstructorEnabled
+  // can be null.
+  typedef bool
+  (ConstructorEnabled)(JSContext* cx, JS::Handle<JSObject*> obj);
+
+  static void Register(uint16_t aNameOffset, uint16_t aNameLength,
+                       DefineGlobalName aDefine, ConstructorEnabled* aEnabled);
+
+  static void Remove(const char* aName, uint32_t aLength);
+
+  // Returns false if something failed. aFound is set to true if the name is in
+  // the hash, whether it's enabled or not.
+  static bool DefineIfEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj,
+                              JS::Handle<jsid> aId,
+                              JS::MutableHandle<JS::PropertyDescriptor> aDesc,
+                              bool* aFound);
+
+  static bool MayResolve(jsid aId);
+
+  static void GetNames(JSContext* aCx, JS::Handle<JSObject*> aObj,
+                       nsTArray<nsString>& aNames);
+
+private:
+  friend struct WebIDLNameTableEntry;
+
+  // The total number of names that we will add to the hash.
+  // The value of sCount is generated by Codegen.py in RegisterBindings.cpp.
+  static const uint32_t sCount;
+
+  // The names that will be registered in the hash, concatenated as one big
+  // string with \0 as a separator between names.
+  // The value of sNames is generated by Codegen.py in RegisterBindings.cpp.
+  static const char sNames[];
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_WebIDLGlobalNameHash_h__