diff -r 000000000000 -r 6474c204b198 dom/base/nsIScriptContext.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsIScriptContext.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsIScriptContext_h__
+#define nsIScriptContext_h__
+
+#include "nscore.h"
+#include "nsStringGlue.h"
+#include "nsISupports.h"
+#include "nsCOMPtr.h"
+#include "nsIProgrammingLanguage.h"
+#include "jspubtd.h"
+#include "js/GCAPI.h"
+
+class nsIScriptGlobalObject;
+class nsIScriptSecurityManager;
+class nsIPrincipal;
+class nsIAtom;
+class nsIArray;
+class nsIVariant;
+class nsIObjectInputStream;
+class nsIObjectOutputStream;
+class nsIScriptObjectPrincipal;
+class nsIDOMWindow;
+class nsIURI;
+
+#define NS_ISCRIPTCONTEXT_IID \
+{ 0x274840b6, 0x7349, 0x4798, \
+  { 0xbe, 0x24, 0xbd, 0x75, 0xa6, 0x46, 0x99, 0xb7 } }
+
+/* This MUST match JSVERSION_DEFAULT.  This version stuff if we don't
+   know what language we have is a little silly... */
+#define SCRIPTVERSION_DEFAULT JSVERSION_DEFAULT
+
+class nsIOffThreadScriptReceiver;
+
+/**
+ * It is used by the application to initialize a runtime and run scripts.
+ * A script runtime would implement this interface.
+ */
+class nsIScriptContext : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTCONTEXT_IID)
+
+  /**
+   * Return the global object.
+   *
+   **/
+  virtual nsIScriptGlobalObject *GetGlobalObject() = 0;
+
+  /**
+   * Return the native script context
+   *
+   **/
+  virtual JSContext* GetNativeContext() = 0;
+
+  /**
+   * Initialize the context generally. Does not create a global object.
+   **/
+  virtual nsresult InitContext() = 0;
+
+  /**
+   * Check to see if context is as yet intialized. Used to prevent
+   * reentrancy issues during the initialization process.
+   *
+   * @return true if initialized, false if not
+   *
+   */
+  virtual bool IsContextInitialized() = 0;
+
+  /**
+   * For garbage collected systems, do a synchronous collection pass.
+   * May be a no-op on other systems
+   *
+   * @return NS_OK if the method is successful
+   */
+  virtual void GC(JS::gcreason::Reason aReason) = 0;
+
+  // SetProperty is suspect and jst believes should not be needed.  Currenly
+  // used only for "arguments".
+  virtual nsresult SetProperty(JS::Handle<JSObject*> aTarget,
+                               const char* aPropName, nsISupports* aVal) = 0;
+  /** 
+   * Called to set/get information if the script context is
+   * currently processing a script tag
+   */
+  virtual bool GetProcessingScriptTag() = 0;
+  virtual void SetProcessingScriptTag(bool aResult) = 0;
+
+  /**
+   * Initialize DOM classes on aGlobalObj, always call
+   * WillInitializeContext() before calling InitContext(), and always
+   * call DidInitializeContext() when a context is fully
+   * (successfully) initialized.
+   */
+  virtual nsresult InitClasses(JS::Handle<JSObject*> aGlobalObj) = 0;
+
+  /**
+   * Tell the context we're about to be reinitialize it.
+   */
+  virtual void WillInitializeContext() = 0;
+
+  /**
+   * Tell the context we're done reinitializing it.
+   */
+  virtual void DidInitializeContext() = 0;
+
+  /**
+   * Access the Window Proxy. The setter should only be called by nsGlobalWindow.
+   */
+  virtual void SetWindowProxy(JS::Handle<JSObject*> aWindowProxy) = 0;
+  virtual JSObject* GetWindowProxy() = 0;
+  virtual JSObject* GetWindowProxyPreserveColor() = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptContext, NS_ISCRIPTCONTEXT_IID)
+
+#define NS_IOFFTHREADSCRIPTRECEIVER_IID \
+{0x3a980010, 0x878d, 0x46a9,            \
+  {0x93, 0xad, 0xbc, 0xfd, 0xd3, 0x8e, 0xa0, 0xc2}}
+
+class nsIOffThreadScriptReceiver : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IOFFTHREADSCRIPTRECEIVER_IID)
+
+  /**
+   * Notify this object that a previous CompileScript call specifying this as
+   * aOffThreadReceiver has completed. The script being passed in must be
+   * rooted before any call which could trigger GC.
+   */
+  NS_IMETHOD OnScriptCompileComplete(JSScript* aScript, nsresult aStatus) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIOffThreadScriptReceiver, NS_IOFFTHREADSCRIPTRECEIVER_IID)
+
+#endif // nsIScriptContext_h__
+