// Copyright 2012 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_PROTOCOL_INPUT_FILTER_H_
#define REMOTING_PROTOCOL_INPUT_FILTER_H_

#include "base/compiler_specific.h"
#include "base/memory/raw_ptr.h"
#include "remoting/protocol/input_stub.h"

namespace remoting::protocol {

// Forwards input events to |input_stub|, if configured.  Input forwarding may
// also be disabled independently of the |input_stub| being set.  InputFilters
// initially have input forwarding enabled.
class InputFilter : public InputStub {
 public:
  InputFilter();
  explicit InputFilter(InputStub* input_stub);

  InputFilter(const InputFilter&) = delete;
  InputFilter& operator=(const InputFilter&) = delete;

  ~InputFilter() override;

  // Set the InputStub that events will be forwarded to.
  void set_input_stub(InputStub* input_stub) { input_stub_ = input_stub; }

  // Enable/disable routing of events to the InputStub.
  void set_enabled(bool enabled) { enabled_ = enabled; }
  bool enabled() const { return enabled_; }

  // InputStub interface.
  void InjectKeyEvent(const KeyEvent& event) override;
  void InjectTextEvent(const TextEvent& event) override;
  void InjectMouseEvent(const MouseEvent& event) override;
  void InjectTouchEvent(const TouchEvent& event) override;

 private:
  raw_ptr<InputStub, DanglingUntriaged> input_stub_;
  bool enabled_;
};

}  // namespace remoting::protocol

#endif  // REMOTING_PROTOCOL_INPUT_FILTER_H_