The Tor Browser / file comparison
comparison: dom/base/nsWrapperCacheInlines.h
dom/base/nsWrapperCacheInlines.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:574d635f5483 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsWrapperCacheInline_h___ | |
| 7 #define nsWrapperCacheInline_h___ | |
| 8 | |
| 9 #include "nsWrapperCache.h" | |
| 10 #include "js/GCAPI.h" | |
| 11 #include "js/TracingAPI.h" | |
| 12 | |
| 13 inline JSObject* | |
| 14 nsWrapperCache::GetWrapper() const | |
| 15 { | |
| 16 JSObject* obj = GetWrapperPreserveColor(); | |
| 17 if (obj) { | |
| 18 JS::ExposeObjectToActiveJS(obj); | |
| 19 } | |
| 20 return obj; | |
| 21 } | |
| 22 | |
| 23 inline bool | |
| 24 nsWrapperCache::IsBlack() | |
| 25 { | |
| 26 JSObject* o = GetWrapperPreserveColor(); | |
| 27 return o && !JS::GCThingIsMarkedGray(o); | |
| 28 } | |
| 29 | |
| 30 static void | |
| 31 SearchGray(void* aGCThing, const char* aName, void* aClosure) | |
| 32 { | |
| 33 bool* hasGrayObjects = static_cast<bool*>(aClosure); | |
| 34 if (!*hasGrayObjects && aGCThing && JS::GCThingIsMarkedGray(aGCThing)) { | |
| 35 *hasGrayObjects = true; | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 inline bool | |
| 40 nsWrapperCache::HasNothingToTrace(nsISupports* aThis) | |
| 41 { | |
| 42 nsXPCOMCycleCollectionParticipant* participant = nullptr; | |
| 43 CallQueryInterface(aThis, &participant); | |
| 44 bool hasGrayObjects = false; | |
| 45 participant->Trace(aThis, TraceCallbackFunc(SearchGray), &hasGrayObjects); | |
| 46 return !hasGrayObjects; | |
| 47 } | |
| 48 | |
| 49 inline bool | |
| 50 nsWrapperCache::IsBlackAndDoesNotNeedTracing(nsISupports* aThis) | |
| 51 { | |
| 52 return IsBlack() && HasNothingToTrace(aThis); | |
| 53 } | |
| 54 | |
| 55 inline void | |
| 56 nsWrapperCache::TraceWrapperJSObject(JSTracer* aTrc, const char* aName) | |
| 57 { | |
| 58 JS_CallHeapObjectTracer(aTrc, &mWrapper, aName); | |
| 59 } | |
| 60 | |
| 61 #endif /* nsWrapperCache_h___ */ |
