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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.content.ContentResolver;
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.MotionEvent;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.widget.TextView;
public class IncreasingRingPreference extends VolumePreference implements
CheckBox.OnCheckedChangeListener {
private static final String TAG = "IncreasingRingPreference";
private CheckBox mEnabledCheckbox;
private TextView mMinVolumeTitle;
private SeekBar mMinVolumeSeekBar;
private TextView mRingVolumeNotice;
private TextView mIntervalTitle;
private Spinner mInterval;
private int[] mIntervalValues;
public IncreasingRingPreference(Context context, AttributeSet attrs) {
super(context, attrs);
setStreamType(AudioManager.STREAM_RING);
setDialogLayoutResource(R.layout.preference_dialog_increasing_ring);
setDialogIcon(R.drawable.ic_settings_sound);
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
ContentResolver cr = getContext().getContentResolver();
mEnabledCheckbox = (CheckBox) view.findViewById(R.id.increasing_ring);
mMinVolumeTitle = (TextView) view.findViewById(R.id.increasing_ring_min_volume_title);
mMinVolumeSeekBar = (SeekBar) view.findViewById(com.android.internal.R.id.seekbar);
mRingVolumeNotice = (TextView) view.findViewById(R.id.increasing_ring_volume_notice);
mIntervalTitle = (TextView) view.findViewById(R.id.increasing_ring_interval_title);
mInterval = (Spinner) view.findViewById(R.id.increasing_ring_interval);
mIntervalValues = getContext().getResources().getIntArray(R.array.increasing_ring_interval_values);
mEnabledCheckbox.setOnCheckedChangeListener(this);
mEnabledCheckbox.setChecked(Settings.System.getInt(cr, Settings.System.INCREASING_RING, 0) == 1);
mMinVolumeSeekBar.setProgress(Settings.System.getInt(
cr, Settings.System.INCREASING_RING_MIN_VOLUME, 1));
int interval = Settings.System.getInt(cr, Settings.System.INCREASING_RING_INTERVAL, 0);
int index = 0;
for (int i = 0; i < mIntervalValues.length; i++) {
if (mIntervalValues[i] == interval) {
index = i;
break;
}
}
mInterval.setSelection(index);
AudioManager am = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
mMinVolumeSeekBar.setSecondaryProgress(am.getStreamVolume(AudioManager.STREAM_RING));
updateVolumeNoticeVisibility(mMinVolumeSeekBar.getProgress());
updateEnabledStates();
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(false);
if (positiveResult) {
boolean checked = mEnabledCheckbox.isChecked();
ContentResolver cr = getContext().getContentResolver();
Settings.System.putInt(cr, Settings.System.INCREASING_RING, checked ? 1 : 0);
Settings.System.putInt(cr, Settings.System.INCREASING_RING_INTERVAL,
mIntervalValues[mInterval.getSelectedItemPosition()]);
Settings.System.putInt(cr,
Settings.System.INCREASING_RING_MIN_VOLUME,
mMinVolumeSeekBar.getProgress());
}
}
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
updateVolumeNoticeVisibility(mMinVolumeSeekBar.getProgress());
updateEnabledStates();
}
@Override
public boolean onVolumeChange(SeekBarVolumizer volumizer, int value) {
boolean result = super.onVolumeChange(volumizer, value);
if (result) {
updateVolumeNoticeVisibility(value);
}
return result;
}
private void updateVolumeNoticeVisibility(int value) {
boolean visible = value > mMinVolumeSeekBar.getSecondaryProgress();
if (!mEnabledCheckbox.isChecked()) {
visible = false;
}
mRingVolumeNotice.setVisibility(visible ? View.VISIBLE : View.GONE);
}
private void updateEnabledStates() {
boolean enable = mEnabledCheckbox.isChecked();
mMinVolumeTitle.setEnabled(enable);
mMinVolumeSeekBar.setEnabled(enable);
mRingVolumeNotice.setEnabled(enable);
mIntervalTitle.setEnabled(enable);
mInterval.setEnabled(enable);
}
@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);
if (mEnabledCheckbox != null) {
myState.mEnabled = mEnabledCheckbox.isChecked();
}
if (mInterval != null) {
myState.mIntervalSelection = mInterval.getSelectedItemPosition();
}
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());
if (mEnabledCheckbox != null) {
mEnabledCheckbox.setChecked(myState.mEnabled);
}
if (mInterval != null) {
mInterval.setSelection(myState.mIntervalSelection);
}
}
private static class SavedState extends BaseSavedState {
boolean mEnabled;
int mIntervalSelection;
public SavedState(Parcel source) {
super(source);
mEnabled = source.readInt() != 0;
mIntervalSelection = source.readInt();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeInt(mEnabled ? 1 : 0);
dest.writeInt(mIntervalSelection);
}
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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