mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 22:25:30 +00:00
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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 "xpcpublic.h"
|
|
#include "jsapi.h"
|
|
|
|
inline JSObject*
|
|
nsWrapperCache::GetWrapper() const
|
|
{
|
|
JSObject* obj = GetWrapperPreserveColor();
|
|
xpc_UnmarkGrayObject(obj);
|
|
return obj;
|
|
}
|
|
|
|
inline bool
|
|
nsWrapperCache::IsBlack()
|
|
{
|
|
JSObject* o = GetWrapperPreserveColor();
|
|
return o && !xpc_IsGrayGCThing(o);
|
|
}
|
|
|
|
static void
|
|
SearchGray(void* aGCThing, const char* aName, void* aClosure)
|
|
{
|
|
bool* hasGrayObjects = static_cast<bool*>(aClosure);
|
|
if (!*hasGrayObjects && aGCThing && xpc_IsGrayGCThing(aGCThing)) {
|
|
*hasGrayObjects = true;
|
|
}
|
|
}
|
|
|
|
inline bool
|
|
nsWrapperCache::IsBlackAndDoesNotNeedTracing(nsISupports* aThis)
|
|
{
|
|
if (IsBlack()) {
|
|
nsXPCOMCycleCollectionParticipant* participant = nullptr;
|
|
CallQueryInterface(aThis, &participant);
|
|
bool hasGrayObjects = false;
|
|
participant->Trace(aThis, TraceCallbackFunc(SearchGray), &hasGrayObjects);
|
|
return !hasGrayObjects;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline void
|
|
nsWrapperCache::TraceWrapperJSObject(JSTracer* aTrc, const char* aName)
|
|
{
|
|
JS_CallHeapObjectTracer(aTrc, &mWrapper, aName);
|
|
}
|
|
|
|
#endif /* nsWrapperCache_h___ */
|