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/*
* Copyright (C) 2008 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.settings;
import android.app.Dialog;
import android.content.Context;
import android.media.AudioManager;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.VolumePreference;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import android.widget.TextView;
/**
* Special preference type that allows configuration of both the ring volume and
* notification volume.
*/
public class RingerVolumePreference extends VolumePreference implements
CheckBox.OnCheckedChangeListener {
private static final String TAG = "RingerVolumePreference";
private CheckBox mNotificationsUseRingVolumeCheckbox;
private SeekBarVolumizer [] mSeekBarVolumizer;
private static final int[] SEEKBAR_ID = new int[] {
R.id.notification_volume_seekbar,
R.id.media_volume_seekbar,
R.id.alarm_volume_seekbar
};
private static final int[] SEEKBAR_TYPE = new int[] {
AudioManager.STREAM_NOTIFICATION,
AudioManager.STREAM_MUSIC,
AudioManager.STREAM_ALARM
};
//private SeekBarVolumizer mNotificationSeekBarVolumizer;
private TextView mNotificationVolumeTitle;
public RingerVolumePreference(Context context, AttributeSet attrs) {
super(context, attrs);
// The always visible seekbar is for ring volume
setStreamType(AudioManager.STREAM_RING);
setDialogLayoutResource(R.layout.preference_dialog_ringervolume);
setDialogIcon(R.drawable.ic_settings_sound);
mSeekBarVolumizer = new SeekBarVolumizer[SEEKBAR_ID.length];
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
for (int i = 0; i < SEEKBAR_ID.length; i++) {
SeekBar seekBar = (SeekBar) view.findViewById(SEEKBAR_ID[i]);
mSeekBarVolumizer[i] = new SeekBarVolumizer(getContext(), seekBar,
SEEKBAR_TYPE[i]);
}
mNotificationVolumeTitle = (TextView) view.findViewById(R.id.notification_volume_title);
mNotificationsUseRingVolumeCheckbox =
(CheckBox) view.findViewById(R.id.same_notification_volume);
mNotificationsUseRingVolumeCheckbox.setOnCheckedChangeListener(this);
mNotificationsUseRingVolumeCheckbox.setChecked(Settings.System.getInt(
getContext().getContentResolver(),
Settings.System.NOTIFICATIONS_USE_RING_VOLUME, 1) == 1);
setNotificationVolumeVisibility(!mNotificationsUseRingVolumeCheckbox.isChecked());
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (!positiveResult) {
for (SeekBarVolumizer vol : mSeekBarVolumizer) {
if (vol != null) vol.revertVolume();
}
}
cleanup();
}
@Override
public void onActivityStop() {
super.onActivityStop();
cleanup();
}
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
setNotificationVolumeVisibility(!isChecked);
Settings.System.putInt(getContext().getContentResolver(),
Settings.System.NOTIFICATIONS_USE_RING_VOLUME, isChecked ? 1 : 0);
if (isChecked) {
// The user wants the notification to be same as ring, so do a
// one-time sync right now
AudioManager audioManager = (AudioManager) getContext()
.getSystemService(Context.AUDIO_SERVICE);
audioManager.setStreamVolume(AudioManager.STREAM_NOTIFICATION,
audioManager.getStreamVolume(AudioManager.STREAM_RING), 0);
}
}
@Override
protected void onSampleStarting(SeekBarVolumizer volumizer) {
super.onSampleStarting(volumizer);
for (SeekBarVolumizer vol : mSeekBarVolumizer) {
if (vol != null && vol != volumizer) vol.stopSample();
}
}
private void setNotificationVolumeVisibility(boolean visible) {
if (mSeekBarVolumizer[0] != null) {
mSeekBarVolumizer[0].getSeekBar().setVisibility(
visible ? View.VISIBLE : View.GONE);
}
mNotificationVolumeTitle.setVisibility(visible ? View.VISIBLE : View.GONE);
}
private void cleanup() {
for (int i = 0; i < SEEKBAR_ID.length; i++) {
if (mSeekBarVolumizer[i] != null) {
Dialog dialog = getDialog();
if (dialog != null && dialog.isShowing()) {
// Stopped while dialog was showing, revert changes
mSeekBarVolumizer[i].revertVolume();
}
mSeekBarVolumizer[i].stop();
mSeekBarVolumizer[i] = null;
}
}
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
if (isPersistent()) {
// No need to save instance state since it's persistent
return superState;
}
final SavedState myState = new SavedState(superState);
VolumeStore[] volumeStore = myState.getVolumeStore(SEEKBAR_ID.length);
for (int i = 0; i < SEEKBAR_ID.length; i++) {
SeekBarVolumizer vol = mSeekBarVolumizer[i];
if (vol != null) {
vol.onSaveInstanceState(volumeStore[i]);
}
}
return myState;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state == null || !state.getClass().equals(SavedState.class)) {
// Didn't save state for us in onSaveInstanceState
super.onRestoreInstanceState(state);
return;
}
SavedState myState = (SavedState) state;
super.onRestoreInstanceState(myState.getSuperState());
VolumeStore[] volumeStore = myState.getVolumeStore(SEEKBAR_ID.length);
for (int i = 0; i < SEEKBAR_ID.length; i++) {
SeekBarVolumizer vol = mSeekBarVolumizer[i];
if (vol != null) {
vol.onRestoreInstanceState(volumeStore[i]);
}
}
}
private static class SavedState extends BaseSavedState {
VolumeStore [] mVolumeStore;
public SavedState(Parcel source) {
super(source);
mVolumeStore = new VolumeStore[SEEKBAR_ID.length];
for (int i = 0; i < SEEKBAR_ID.length; i++) {
mVolumeStore[i] = new VolumeStore();
mVolumeStore[i].volume = source.readInt();
mVolumeStore[i].originalVolume = source.readInt();
}
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
for (int i = 0; i < SEEKBAR_ID.length; i++) {
dest.writeInt(mVolumeStore[i].volume);
dest.writeInt(mVolumeStore[i].originalVolume);
}
}
VolumeStore[] getVolumeStore(int count) {
if (mVolumeStore == null || mVolumeStore.length != count) {
mVolumeStore = new VolumeStore[count];
for (int i = 0; i < count; i++) {
mVolumeStore[i] = new VolumeStore();
}
}
return mVolumeStore;
}
public SavedState(Parcelable superState) {
super(superState);
}
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
}
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