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https://gitlab.winehq.org/wine/wine-gecko.git
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69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "IDBWrapperCache.h"
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#include "nsContentUtils.h"
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USING_INDEXEDDB_NAMESPACE
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NS_IMPL_CYCLE_COLLECTION_CLASS(IDBWrapperCache)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache,
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nsDOMEventTargetHelper)
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// Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because
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// nsDOMEventTargetHelper does it for us.
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache,
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nsDOMEventTargetHelper)
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if (tmp->mScriptOwner) {
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tmp->mScriptOwner = nullptr;
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NS_DROP_JS_OBJECTS(tmp, IDBWrapperCache);
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache,
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nsDOMEventTargetHelper)
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// Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because
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// nsDOMEventTargetHelper does it for us.
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScriptOwner)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBWrapperCache)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
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NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, nsDOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, nsDOMEventTargetHelper)
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IDBWrapperCache::~IDBWrapperCache()
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{
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mScriptOwner = nullptr;
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nsContentUtils::ReleaseWrapper(this, this);
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NS_DROP_JS_OBJECTS(this, IDBWrapperCache);
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}
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void
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IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner)
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{
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NS_ASSERTION(aScriptOwner, "This should never be null!");
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mScriptOwner = aScriptOwner;
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nsISupports* thisSupports = NS_CYCLE_COLLECTION_UPCAST(this, IDBWrapperCache);
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nsXPCOMCycleCollectionParticipant* participant;
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CallQueryInterface(this, &participant);
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nsContentUtils::HoldJSObjects(thisSupports, participant);
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}
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#ifdef DEBUG
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void
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IDBWrapperCache::AssertIsRooted() const
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{
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NS_ASSERTION(nsContentUtils::AreJSObjectsHeld(const_cast<IDBWrapperCache*>(this)),
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"Why aren't we rooted?!");
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}
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#endif
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