зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
3.1 KiB
C++
86 строки
3.1 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 nsIScriptGlobalObject_h__
|
|
#define nsIScriptGlobalObject_h__
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsIGlobalObject.h"
|
|
#include "js/TypeDecls.h"
|
|
#include "mozilla/EventForwards.h"
|
|
|
|
class nsIScriptContext;
|
|
class nsIScriptGlobalObject;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
struct ErrorEventInit;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
// A helper function for nsIScriptGlobalObject implementations to use
|
|
// when handling a script error. Generally called by the global when a context
|
|
// notifies it of an error via nsIScriptGlobalObject::HandleScriptError.
|
|
// Returns true if HandleDOMEvent was actually called, in which case
|
|
// aStatus will be filled in with the status.
|
|
bool NS_HandleScriptError(nsIScriptGlobalObject* aScriptGlobal,
|
|
const mozilla::dom::ErrorEventInit& aErrorEvent,
|
|
nsEventStatus* aStatus);
|
|
|
|
// Must be kept in sync with xpcom/rust/xpcom/src/interfaces/nonidl.rs
|
|
#define NS_ISCRIPTGLOBALOBJECT_IID \
|
|
{ \
|
|
0x876f83bd, 0x6314, 0x460a, { \
|
|
0xa0, 0x45, 0x1c, 0x8f, 0x46, 0x2f, 0xb8, 0xe1 \
|
|
} \
|
|
}
|
|
|
|
/**
|
|
* The global object which keeps a script context for each supported script
|
|
* language. This often used to store per-window global state.
|
|
* This is a heavyweight interface implemented only by DOM globals, and
|
|
* it might go away some time in the future.
|
|
*/
|
|
|
|
class nsIScriptGlobalObject : public nsIGlobalObject {
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECT_IID)
|
|
|
|
/**
|
|
* Ensure that the script global object is initialized for working with the
|
|
* specified script language ID. This will set up the nsIScriptContext
|
|
* and 'script global' for that language, allowing these to be fetched
|
|
* and manipulated.
|
|
* @return NS_OK if successful; error conditions include that the language
|
|
* has not been registered, as well as 'normal' errors, such as
|
|
* out-of-memory
|
|
*/
|
|
virtual nsresult EnsureScriptEnvironment() = 0;
|
|
/**
|
|
* Get a script context (WITHOUT added reference) for the specified language.
|
|
*/
|
|
virtual nsIScriptContext* GetScriptContext() = 0;
|
|
|
|
nsIScriptContext* GetContext() { return GetScriptContext(); }
|
|
|
|
/**
|
|
* Handle a script error. Generally called by a script context.
|
|
*/
|
|
bool HandleScriptError(const mozilla::dom::ErrorEventInit& aErrorEventInit,
|
|
nsEventStatus* aEventStatus) {
|
|
return NS_HandleScriptError(this, aErrorEventInit, aEventStatus);
|
|
}
|
|
|
|
virtual bool IsBlackForCC(bool aTracingNeeded = true) { return false; }
|
|
|
|
protected:
|
|
virtual ~nsIScriptGlobalObject() = default;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptGlobalObject, NS_ISCRIPTGLOBALOBJECT_IID)
|
|
|
|
#endif
|