68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_devtools_DominatorTree__
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#define mozilla_devtools_DominatorTree__
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#include "mozilla/devtools/HeapSnapshot.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/RefCounted.h"
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#include "js/UbiNodeDominatorTree.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace devtools {
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class DominatorTree final : public nsISupports
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, public nsWrapperCache
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{
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protected:
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nsCOMPtr<nsISupports> mParent;
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virtual ~DominatorTree() { }
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private:
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JS::ubi::DominatorTree mDominatorTree;
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RefPtr<HeapSnapshot> mHeapSnapshot;
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public:
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explicit DominatorTree(JS::ubi::DominatorTree&& aDominatorTree, HeapSnapshot* aHeapSnapshot,
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nsISupports* aParent)
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: mParent(aParent)
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, mDominatorTree(Move(aDominatorTree))
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, mHeapSnapshot(aHeapSnapshot)
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{
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MOZ_ASSERT(aParent);
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MOZ_ASSERT(aHeapSnapshot);
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};
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS;
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DominatorTree);
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nsISupports* GetParentObject() const { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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// readonly attribute NodeId root
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uint64_t Root() const { return mDominatorTree.root().identifier(); }
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// [Throws] NodeSize getRetainedSize(NodeId node)
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dom::Nullable<uint64_t> GetRetainedSize(uint64_t aNodeId, ErrorResult& aRv);
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// [Throws] sequence<NodeId>? getImmediatelyDominated(NodeId node);
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void GetImmediatelyDominated(uint64_t aNodeId, dom::Nullable<nsTArray<uint64_t>>& aOutDominated,
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ErrorResult& aRv);
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// NodeId? getImmediateDominator(NodeId node);
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dom::Nullable<uint64_t> GetImmediateDominator(uint64_t aNodeId) const;
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};
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} // namespace devtools
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} // namespace mozilla
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#endif // mozilla_devtools_DominatorTree__
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