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/*
* Copyright (C) 2015 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.deskclock.settings;
import static android.content.Context.AUDIO_SERVICE;
import static android.content.Context.NOTIFICATION_SERVICE;
import static android.media.AudioManager.STREAM_ALARM;
import android.app.NotificationManager;
import android.content.Context;
import android.database.ContentObserver;
import android.media.AudioManager;
import android.os.Build;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.SeekBar;
import androidx.preference.Preference;
import androidx.preference.PreferenceViewHolder;
import com.android.deskclock.R;
import com.android.deskclock.RingtonePreviewKlaxon;
import com.android.deskclock.Utils;
import com.android.deskclock.data.DataModel;
public class AlarmVolumePreference extends Preference {
private static final long ALARM_PREVIEW_DURATION_MS = 2000;
private SeekBar mSeekbar;
private boolean mPreviewPlaying;
public AlarmVolumePreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final Context context = getContext();
final AudioManager audioManager = (AudioManager) context.getSystemService(AUDIO_SERVICE);
// Disable click feedback for this preference.
holder.itemView.setClickable(false);
// Minimum volume for alarm is not 0, calculate it.
int maxVolume = audioManager.getStreamMaxVolume(STREAM_ALARM) -
audioManager.getStreamMinVolume(STREAM_ALARM);
mSeekbar = (SeekBar) holder.findViewById(R.id.seekbar);
mSeekbar.setMax(maxVolume);
mSeekbar.setProgress(audioManager.getStreamVolume(STREAM_ALARM) -
audioManager.getStreamMinVolume(STREAM_ALARM));
((ImageView) holder.findViewById(android.R.id.icon))
.setImageResource(R.drawable.ic_alarm_small);
onSeekbarChanged();
final ContentObserver volumeObserver = new ContentObserver(mSeekbar.getHandler()) {
@Override
public void onChange(boolean selfChange) {
// Volume was changed elsewhere, update our slider.
mSeekbar.setProgress(audioManager.getStreamVolume(STREAM_ALARM) -
audioManager.getStreamMinVolume(STREAM_ALARM));
}
};
mSeekbar.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View v) {
context.getContentResolver().registerContentObserver(Settings.System.CONTENT_URI,
true, volumeObserver);
}
@Override
public void onViewDetachedFromWindow(View v) {
context.getContentResolver().unregisterContentObserver(volumeObserver);
}
});
mSeekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
int newVolume = progress + audioManager.getStreamMinVolume(STREAM_ALARM);
audioManager.setStreamVolume(STREAM_ALARM, newVolume, 0);
}
onSeekbarChanged();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
if (!mPreviewPlaying) {
// If we are not currently playing, start.
RingtonePreviewKlaxon.start(
context, DataModel.getDataModel().getDefaultAlarmRingtoneUri());
mPreviewPlaying = true;
seekBar.postDelayed(new Runnable() {
@Override
public void run() {
RingtonePreviewKlaxon.stop(context);
mPreviewPlaying = false;
}
}, ALARM_PREVIEW_DURATION_MS);
}
}
});
}
private void onSeekbarChanged() {
mSeekbar.setEnabled(doesDoNotDisturbAllowAlarmPlayback());
}
private boolean doesDoNotDisturbAllowAlarmPlayback() {
final NotificationManager notificationManager = (NotificationManager)
getContext().getSystemService(NOTIFICATION_SERVICE);
return notificationManager.getCurrentInterruptionFilter() !=
NotificationManager.INTERRUPTION_FILTER_NONE;
}
}
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