Remote set volume command

chrome/browser/chromeos/policy/remote_commands/device_command_set_volume_job.h

+// Copyright 2017 The Chromium 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 CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SET_VOLUME_JOB_H_
+#define CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SET_VOLUME_JOB_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "components/policy/core/common/remote_commands/remote_command_job.h"
+
+namespace policy {
+
+class DeviceCommandSetVolumeJob : public RemoteCommandJob {
+ public:
+  using VolumeCallback = base::Callback<void(int)>;
+
+  DeviceCommandSetVolumeJob();
+  ~DeviceCommandSetVolumeJob() override;
+
+  void SetVolumeCallbackForTesting(const VolumeCallback& callback);
+
+  // RemoteCommandJob:
+  enterprise_management::RemoteCommand_Type GetType() const override;
+  base::TimeDelta GetCommmandTimeout() const override;
+
+ protected:
+  // RemoteCommandJob:
+  bool ParseCommandPayload(const std::string& command_payload) override;
+  bool IsExpired(base::TimeTicks now) override;
+  void RunImpl(const CallbackWithResult& succeeded_callback,
+               const CallbackWithResult& failed_callback) override;
+
+ private:
+  // New volume level to be set, value in range [0,100].
+  int volume_;
+
+  // Used in tests instead of CrasAudioHandler::SetOutputVolumePercent.
+  VolumeCallback volume_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceCommandSetVolumeJob);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_CHROMEOS_POLICY_REMOTE_COMMANDS_DEVICE_COMMAND_SET_VOLUME_JOB_H_