gecko-dev/js/ipc/JavaScriptParent.h

111 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=4 sw=4 et 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_jsipc_JavaScriptParent__
#define mozilla_jsipc_JavaScriptParent__
#include "JavaScriptShared.h"
#include "mozilla/jsipc/PJavaScriptParent.h"
#include "js/Class.h"
#ifdef XP_WIN
#undef GetClassName
#undef GetClassInfo
#endif
namespace mozilla {
namespace jsipc {
class JavaScriptParent
: public PJavaScriptParent,
public JavaScriptShared
{
public:
JavaScriptParent();
bool init();
public:
// Fundamental proxy traps. These are required.
// (The traps should be in the same order like js/src/jsproxy.h)
bool preventExtensions(JSContext *cx, JS::HandleObject proxy);
bool getPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id,
JS::MutableHandle<JSPropertyDescriptor> desc, unsigned flags);
bool getOwnPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id,
JS::MutableHandle<JSPropertyDescriptor> desc, unsigned flags);
bool defineProperty(JSContext *cx, JS::HandleObject proxy, JS::HandleId id,
JS::MutableHandle<JSPropertyDescriptor> desc);
bool getOwnPropertyNames(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props);
bool delete_(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp);
bool enumerate(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props);
// Derived proxy traps. Implementing these is useful for perfomance.
bool has(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp);
bool hasOwn(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp);
bool get(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver,
JS::HandleId id, JS::MutableHandleValue vp);
bool set(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver,
JS::HandleId id, bool strict, JS::MutableHandleValue vp);
bool keys(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props);
// We use "iterate" provided by the base class here.
// SpiderMonkey Extensions.
bool isExtensible(JSContext *cx, JS::HandleObject proxy, bool *extensible);
bool call(JSContext *cx, JS::HandleObject proxy, const JS::CallArgs &args);
bool objectClassIs(JSContext *cx, JS::HandleObject obj, js::ESClassValue classValue);
const char* className(JSContext *cx, JS::HandleObject proxy);
virtual void ActorDestroy(ActorDestroyReason why);
void decref();
void incref();
bool active() { return !inactive_; }
void drop(JSObject *obj);
static bool IsCPOW(JSObject *obj);
static nsresult InstanceOf(JSObject *obj, const nsID *id, bool *bp);
nsresult instanceOf(JSObject *obj, const nsID *id, bool *bp);
/*
* Check that |obj| is a DOM wrapper whose prototype chain contains
* |prototypeID| at depth |depth|.
*/
static bool DOMInstanceOf(JSContext *cx, JSObject *obj, int prototypeID, int depth, bool *bp);
bool domInstanceOf(JSContext *cx, JSObject *obj, int prototypeID, int depth, bool *bp);
mozilla::ipc::IProtocol*
CloneProtocol(Channel* aChannel, ProtocolCloneContext* aCtx) MOZ_OVERRIDE;
protected:
JSObject *unwrap(JSContext *cx, ObjectId objId);
private:
bool makeId(JSContext *cx, JSObject *obj, ObjectId *idp);
bool getPropertyNames(JSContext *cx, JS::HandleObject proxy, uint32_t flags,
JS::AutoIdVector &props);
ObjectId idOf(JSObject *obj);
// Catastrophic IPC failure.
bool ipcfail(JSContext *cx);
// Check whether a return status is okay, and if not, propagate its error.
bool ok(JSContext *cx, const ReturnStatus &status);
private:
uintptr_t refcount_;
bool inactive_;
};
} // jsipc
} // mozilla
#endif // mozilla_jsipc_JavaScriptWrapper_h__