third_party/WebKit/Source/core/exported/WebFormElementObserverImpl.h

// Copyright 2017 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 WebFormElementObserverImpl_h
#define WebFormElementObserverImpl_h

#include "base/macros.h"
#include "core/CoreExport.h"
#include "platform/heap/HeapAllocator.h"
#include "platform/heap/Member.h"
#include "platform/heap/SelfKeepAlive.h"
#include "platform/wtf/Compiler.h"
#include "public/web/modules/password_manager/WebFormElementObserver.h"

namespace blink {

class HTMLElement;
class WebFormElementObserverCallback;

class CORE_EXPORT WebFormElementObserverImpl final
    : public GarbageCollectedFinalized<WebFormElementObserverImpl>,
      public WebFormElementObserver {
 public:
  WebFormElementObserverImpl(HTMLElement&,
                             std::unique_ptr<WebFormElementObserverCallback>);
  ~WebFormElementObserverImpl() override;

  // WebFormElementObserver implementation.
  void Disconnect() override;

  virtual void Trace(blink::Visitor*);

 private:
  class ObserverCallback;

  Member<ObserverCallback> mutation_callback_;

  // WebFormElementObserverImpl must remain alive until Disconnect() is called.
  SelfKeepAlive<WebFormElementObserverImpl> self_keep_alive_;

  DISALLOW_COPY_AND_ASSIGN(WebFormElementObserverImpl);
};

}  // namespace blink

#endif  // WebFormElementObserverImpl_h