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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_ENTERPRISE_DATA_CONTROLS_CONTENT_BROWSER_LAST_REPLACED_CLIPBOARD_DATA_H_
#define COMPONENTS_ENTERPRISE_DATA_CONTROLS_CONTENT_BROWSER_LAST_REPLACED_CLIPBOARD_DATA_H_
#include "content/public/browser/clipboard_types.h"
#include "ui/base/clipboard/clipboard_observer.h"
#include "ui/base/clipboard/clipboard_sequence_number_token.h"
namespace data_controls {
// Struct that holds information on the last data to have been replaced in the
// OS clipboard by a Data Controls rule.
struct LastReplacedClipboardData {
ui::ClipboardSequenceNumberToken seqno;
content::ClipboardPasteData clipboard_paste_data;
std::vector<std::u16string> GetAvailableTypes() const;
};
// Get the last data to have been replaced by a warning string due to a Data
// Controls rule.
LastReplacedClipboardData& GetLastReplacedClipboardData();
// Clipboard change observer used to observe seqno changes and update the data
// in `GetLastReplacedClipboardData()`.
class LastReplacedClipboardDataObserver : public ui::ClipboardObserver {
public:
static LastReplacedClipboardDataObserver* GetInstance();
// Adds `data` to `pending_seqno_data_` so that it can be associated to the
// next sequence number change. Note that because this can be called multiple
// times with different data types (text, html, png, etc.) before
// `OnClipboardDataChanged()` is called, `data` is merged into
// `pending_seqno_data_` instead of replacing it entirely.
void AddDataToNextSeqno(content::ClipboardPasteData data);
// ui::ClipboardObserver:
void OnClipboardDataChanged() override;
private:
// Data recently copied from Chrome, waiting to be tied to a sequence number.
content::ClipboardPasteData pending_seqno_data_;
};
} // namespace data_controls
#endif // COMPONENTS_ENTERPRISE_DATA_CONTROLS_CONTENT_BROWSER_LAST_REPLACED_CLIPBOARD_DATA_H_
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