gecko-dev/dom/workers/DOMBindingBase.cpp

80 lines
1.7 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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/. */
#include "DOMBindingBase.h"
#include "jsfriendapi.h"
#include "nsContentUtils.h"
#include "nsWrapperCacheInlines.h"
using namespace mozilla;
using namespace mozilla::dom;
USING_WORKERS_NAMESPACE
DOMBindingBase::DOMBindingBase(JSContext* aCx)
: mJSContext(aCx)
{
if (!aCx) {
AssertIsOnMainThread();
}
}
DOMBindingBase::~DOMBindingBase()
{
if (!mJSContext) {
AssertIsOnMainThread();
}
}
NS_IMPL_ADDREF(DOMBindingBase)
NS_IMPL_RELEASE(DOMBindingBase)
NS_INTERFACE_MAP_BEGIN(DOMBindingBase)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_END
void
DOMBindingBase::_trace(JSTracer* aTrc)
{
TraceJSObject(aTrc, "cached wrapper");
}
void
DOMBindingBase::_finalize(JSFreeOp* aFop)
{
ClearWrapper();
NS_RELEASE_THIS();
}
JSContext*
DOMBindingBase::GetJSContext() const {
return mJSContext ? mJSContext : nsContentUtils::GetCurrentJSContext();
}
#ifdef DEBUG
JSObject*
DOMBindingBase::GetJSObject() const
{
// Make sure that the public method results in the same bits as our private
// method.
MOZ_ASSERT(GetWrapperJSObject() == GetWrapperPreserveColor());
return GetWrapperJSObject();
}
void
DOMBindingBase::SetJSObject(JSObject* aObject)
{
// Make sure that the public method results in the same bits as our private
// method.
SetWrapper(aObject);
uint8_t oldFlags = mFlags;
SetWrapperJSObject(aObject);
MOZ_ASSERT(oldFlags == mFlags && aObject == mWrapper);
}
#endif