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// 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 REMOTING_HOST_CHROMEOS_CLIPBOARD_AURA_H_
#define REMOTING_HOST_CHROMEOS_CLIPBOARD_AURA_H_
#include <stdint.h>
#include <memory>
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "remoting/host/clipboard.h"
#include "ui/base/clipboard/clipboard.h"
namespace remoting {
namespace protocol {
class ClipboardStub;
} // namespace protocol
// On Chrome OS, the clipboard is managed by aura instead of the underlying
// native platform (e.g. x11, ozone, etc).
//
// This class (1) monitors the aura clipboard for changes and notifies the
// |client_clipboard|, and (2) provides an interface to inject clipboard event
// into aura.
//
// The public API of this class can be called in any thread as internally it
// always posts the call to the |ui_task_runner|. On ChromeOS, that should
// be the UI thread of the browser process.
class ClipboardAura : public Clipboard {
public:
explicit ClipboardAura();
ClipboardAura(const ClipboardAura&) = delete;
ClipboardAura& operator=(const ClipboardAura&) = delete;
~ClipboardAura() override;
// Clipboard interface.
void Start(
std::unique_ptr<protocol::ClipboardStub> client_clipboard) override;
void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
// Overrides the clipboard polling interval for unit test.
void SetPollingIntervalForTesting(base::TimeDelta polling_interval);
private:
void CheckClipboardForChanges();
base::ThreadChecker thread_checker_;
std::unique_ptr<protocol::ClipboardStub> client_clipboard_;
base::RepeatingTimer clipboard_polling_timer_;
ui::ClipboardSequenceNumberToken current_change_token_;
base::TimeDelta polling_interval_;
};
} // namespace remoting
#endif // REMOTING_HOST_CHROMEOS_CLIPBOARD_AURA_H_
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