Remove unused VolumeController.

/*

 * Copyright (C) 2010 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.systemui.statusbar.policy;

import android.content.Context;

import android.media.AudioManager;

import android.os.Vibrator;

import com.android.systemui.settings.ToggleSlider;

public class VolumeController implements ToggleSlider.Listener {

    private static final String TAG = "StatusBar.VolumeController";

    private static final int STREAM = AudioManager.STREAM_NOTIFICATION;

    private Context mContext;

    private ToggleSlider mControl;

    private AudioManager mAudioManager;

    private boolean mMute;

    private int mVolume;

    // Is there a vibrator

    private final boolean mHasVibrator;

    public VolumeController(Context context, ToggleSlider control) {

        mContext = context;

        mControl = control;

        Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);

        mHasVibrator = vibrator == null ? false : vibrator.hasVibrator();

        mAudioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);

        mMute = mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;

        mVolume = mAudioManager.getStreamVolume(STREAM);

        control.setOnChangedListener(this);

    }

    @Override

    public void onInit(ToggleSlider control) {

        control.setMax(mAudioManager.getStreamMaxVolume(STREAM));

        control.setValue(mVolume);

        control.setChecked(mMute);

    }

    public void onChanged(ToggleSlider view, boolean tracking, boolean mute, int level) {

        if (!tracking) {

            if (mute) {

                mAudioManager.setRingerMode(

                        mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE

                                     : AudioManager.RINGER_MODE_SILENT);

            } else {

                mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);

                mAudioManager.setStreamVolume(STREAM, level, AudioManager.FLAG_PLAY_SOUND);

            }

        }

    }

}