power_manager/powerd/system/display/display_watcher_stub.h

// Copyright (c) 2014 The Chromium OS 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 POWER_MANAGER_POWERD_SYSTEM_DISPLAY_DISPLAY_WATCHER_STUB_H_
#define POWER_MANAGER_POWERD_SYSTEM_DISPLAY_DISPLAY_WATCHER_STUB_H_

#include <vector>

#include "power_manager/powerd/system/display/display_watcher.h"

namespace power_manager {
namespace system {

// Stub implementation of DisplayWatcherInterface for testing.
class DisplayWatcherStub : public DisplayWatcherInterface {
 public:
  DisplayWatcherStub();
  DisplayWatcherStub(const DisplayWatcherStub&) = delete;
  DisplayWatcherStub& operator=(const DisplayWatcherStub&) = delete;

  ~DisplayWatcherStub() override;

  void set_displays(const std::vector<DisplayInfo>& displays) {
    displays_ = displays;
  }

  // DisplayWatcherInterface implementation:
  const std::vector<DisplayInfo>& GetDisplays() const override;
  void AddObserver(DisplayWatcherObserver* observer) override;
  void RemoveObserver(DisplayWatcherObserver* observer) override;

 private:
  // Currently-connected displays.
  std::vector<DisplayInfo> displays_;
};

}  // namespace system
}  // namespace power_manager

#endif  // POWER_MANAGER_POWERD_SYSTEM_DISPLAY_DISPLAY_WATCHER_STUB_H_