dom/indexedDB/IDBWrapperCache.cpp@7e26c7da4463 (annotated)
dom/indexedDB/IDBWrapperCache.cpp
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "IDBWrapperCache.h" |
| michael@0 | 8 | #include "nsCycleCollector.h" |
| michael@0 | 9 | |
| michael@0 | 10 | USING_INDEXEDDB_NAMESPACE |
| michael@0 | 11 | |
| michael@0 | 12 | NS_IMPL_CYCLE_COLLECTION_CLASS(IDBWrapperCache) |
| michael@0 | 13 | |
| michael@0 | 14 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache, |
| michael@0 | 15 | DOMEventTargetHelper) |
| michael@0 | 16 | // Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because |
| michael@0 | 17 | // DOMEventTargetHelper does it for us. |
| michael@0 | 18 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END |
| michael@0 | 19 | |
| michael@0 | 20 | NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache, |
| michael@0 | 21 | DOMEventTargetHelper) |
| michael@0 | 22 | if (tmp->mScriptOwner) { |
| michael@0 | 23 | tmp->mScriptOwner = nullptr; |
| michael@0 | 24 | mozilla::DropJSObjects(tmp); |
| michael@0 | 25 | } |
| michael@0 | 26 | NS_IMPL_CYCLE_COLLECTION_UNLINK_END |
| michael@0 | 27 | |
| michael@0 | 28 | NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache, |
| michael@0 | 29 | DOMEventTargetHelper) |
| michael@0 | 30 | // Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because |
| michael@0 | 31 | // DOMEventTargetHelper does it for us. |
| michael@0 | 32 | NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScriptOwner) |
| michael@0 | 33 | NS_IMPL_CYCLE_COLLECTION_TRACE_END |
| michael@0 | 34 | |
| michael@0 | 35 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBWrapperCache) |
| michael@0 | 36 | NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper) |
| michael@0 | 37 | |
| michael@0 | 38 | NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, DOMEventTargetHelper) |
| michael@0 | 39 | NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, DOMEventTargetHelper) |
| michael@0 | 40 | |
| michael@0 | 41 | IDBWrapperCache::~IDBWrapperCache() |
| michael@0 | 42 | { |
| michael@0 | 43 | mScriptOwner = nullptr; |
| michael@0 | 44 | ReleaseWrapper(this); |
| michael@0 | 45 | mozilla::DropJSObjects(this); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | void |
| michael@0 | 49 | IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner) |
| michael@0 | 50 | { |
| michael@0 | 51 | NS_ASSERTION(aScriptOwner, "This should never be null!"); |
| michael@0 | 52 | |
| michael@0 | 53 | mScriptOwner = aScriptOwner; |
| michael@0 | 54 | mozilla::HoldJSObjects(this); |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | #ifdef DEBUG |
| michael@0 | 58 | void |
| michael@0 | 59 | IDBWrapperCache::AssertIsRooted() const |
| michael@0 | 60 | { |
| michael@0 | 61 | MOZ_ASSERT(cyclecollector::IsJSHolder(const_cast<IDBWrapperCache*>(this)), |
| michael@0 | 62 | "Why aren't we rooted?!"); |
| michael@0 | 63 | } |
| michael@0 | 64 | #endif |
