gecko-dev/dom/base/nsIScriptContext.h

112 lines
3.3 KiB
C++

/* -*- 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 nsIScriptContext_h__
#define nsIScriptContext_h__
#include "nscore.h"
#include "nsStringGlue.h"
#include "nsISupports.h"
#include "nsCOMPtr.h"
#include "jspubtd.h"
#include "js/GCAPI.h"
class nsIScriptGlobalObject;
#define NS_ISCRIPTCONTEXT_IID \
{ 0x54cbe9cf, 0x7282, 0x421a, \
{ 0x91, 0x6f, 0xd0, 0x70, 0x73, 0xde, 0xb8, 0xc0 } }
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;
/**
* 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;
// 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;
};
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__