63 lines
1.6 KiB
C
63 lines
1.6 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 nsWrapperCacheInline_h___
|
|
#define nsWrapperCacheInline_h___
|
|
|
|
#include "nsWrapperCache.h"
|
|
#include "js/GCAPI.h"
|
|
#include "js/TracingAPI.h"
|
|
|
|
inline JSObject*
|
|
nsWrapperCache::GetWrapper() const
|
|
{
|
|
JSObject* obj = GetWrapperPreserveColor();
|
|
if (obj) {
|
|
JS::ExposeObjectToActiveJS(obj);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
inline bool
|
|
nsWrapperCache::IsBlack()
|
|
{
|
|
JSObject* o = GetWrapperPreserveColor();
|
|
return o && !JS::ObjectIsMarkedGray(o);
|
|
}
|
|
|
|
static void
|
|
SearchGray(JS::GCCellPtr aGCThing, const char* aName, void* aClosure)
|
|
{
|
|
bool* hasGrayObjects = static_cast<bool*>(aClosure);
|
|
if (!*hasGrayObjects && aGCThing && JS::GCThingIsMarkedGray(aGCThing)) {
|
|
*hasGrayObjects = true;
|
|
}
|
|
}
|
|
|
|
inline bool
|
|
nsWrapperCache::HasNothingToTrace(nsISupports* aThis)
|
|
{
|
|
nsXPCOMCycleCollectionParticipant* participant = nullptr;
|
|
CallQueryInterface(aThis, &participant);
|
|
bool hasGrayObjects = false;
|
|
participant->Trace(aThis, TraceCallbackFunc(SearchGray), &hasGrayObjects);
|
|
return !hasGrayObjects;
|
|
}
|
|
|
|
inline bool
|
|
nsWrapperCache::IsBlackAndDoesNotNeedTracing(nsISupports* aThis)
|
|
{
|
|
return IsBlack() && HasNothingToTrace(aThis);
|
|
}
|
|
|
|
inline void
|
|
nsWrapperCache::TraceWrapperJSObject(JSTracer* aTrc, const char* aName)
|
|
{
|
|
JS_CallObjectTracer(aTrc, &mWrapper, aName);
|
|
}
|
|
|
|
#endif /* nsWrapperCache_h___ */
|