| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_CHILD_FRAME_DISCONNECTOR_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_CHILD_FRAME_DISCONNECTOR_H_ |
| |
| #include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h" |
| #include "third_party/blink/renderer/platform/heap/member.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| |
| namespace blink { |
| |
| class HTMLFrameOwnerElement; |
| class Node; |
| |
| class ChildFrameDisconnector { |
| STACK_ALLOCATED(); |
| |
| public: |
| enum DisconnectPolicy { kRootAndDescendants, kDescendantsOnly }; |
| |
| explicit ChildFrameDisconnector(Node& root) : root_(&root) {} |
| |
| void Disconnect(DisconnectPolicy = kRootAndDescendants); |
| |
| private: |
| void CollectFrameOwners(Node&); |
| void DisconnectCollectedFrameOwners(); |
| Node& Root() const { return *root_; } |
| |
| HeapVector<Member<HTMLFrameOwnerElement>, 10> frame_owners_; |
| Node* root_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_CHILD_FRAME_DISCONNECTOR_H_ |