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// Copyright 2014 The Chromium Authors. All rights reserved.
// 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_HTML_IMPORTS_HTML_IMPORT_TREE_ROOT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_IMPORTS_HTML_IMPORT_TREE_ROOT_H_
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/core/html/imports/html_import.h"
#include "third_party/blink/renderer/platform/bindings/name_client.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class HTMLImportChild;
class KURL;
class HTMLImportTreeRoot final : public HTMLImport, public NameClient {
public:
explicit HTMLImportTreeRoot(Document*);
~HTMLImportTreeRoot() final;
void Dispose();
// HTMLImport overrides:
Document* GetDocument() const final;
bool HasFinishedLoading() const final;
void StateWillChange() final;
void StateDidChange() final;
void ScheduleRecalcState();
HTMLImportChild* Add(HTMLImportChild*);
HTMLImportChild* Find(const KURL&) const;
void Trace(Visitor*) const override;
const char* NameInHeapSnapshot() const override {
return "HTMLImportTreeRoot";
}
private:
void RecalcTimerFired(TimerBase*);
Member<Document> document_;
TaskRunnerTimer<HTMLImportTreeRoot> recalc_timer_;
// List of import which has been loaded or being loaded.
typedef HeapVector<Member<HTMLImportChild>> ImportList;
ImportList imports_;
};
template <>
struct DowncastTraits<HTMLImportTreeRoot> {
static bool AllowFrom(const HTMLImport& import) { return import.IsRoot(); }
};
} // namespace blink
#endif
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