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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_CLIPBOARD_SCOPED_CLIPBOARD_HISTORY_PAUSE_IMPL_H_
#define ASH_CLIPBOARD_SCOPED_CLIPBOARD_HISTORY_PAUSE_IMPL_H_
#include "ash/ash_export.h"
#include "ash/public/cpp/scoped_clipboard_history_pause.h"
#include "base/memory/raw_ref.h"
#include "base/memory/weak_ptr.h"
#include "base/token.h"
namespace ash {
class ClipboardHistory;
namespace clipboard_history_util {
enum class PauseBehavior;
} // namespace clipboard_history_util
// Controls modifications to clipboard history within its lifetime. If clipboard
// data is read or modified within its lifetime, the individual pause's behavior
// dictates whether clipboard history and corresponding metrics will be updated.
class ASH_EXPORT ScopedClipboardHistoryPauseImpl
: public ScopedClipboardHistoryPause {
public:
explicit ScopedClipboardHistoryPauseImpl(ClipboardHistory* clipboard_history);
ScopedClipboardHistoryPauseImpl(
ClipboardHistory* clipboard_history,
clipboard_history_util::PauseBehavior behavior);
ScopedClipboardHistoryPauseImpl(const ScopedClipboardHistoryPauseImpl&) =
delete;
ScopedClipboardHistoryPauseImpl& operator=(
const ScopedClipboardHistoryPauseImpl&) = delete;
~ScopedClipboardHistoryPauseImpl() override;
private:
const raw_ref<const base::Token> pause_id_;
base::WeakPtr<ClipboardHistory> const clipboard_history_;
};
} // namespace ash
#endif // ASH_CLIPBOARD_SCOPED_CLIPBOARD_HISTORY_PAUSE_IMPL_H_
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