/*******************************************************************************
* Copyright 2009 Robot Media SL
*
* 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.cjj.cartoon.custom;
import android.content.Context;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import com.cjj.cartoon.R;
// TODO: Reset value when dialog is dismissed
public class BrightnessPreference extends DialogPreference implements
SeekBar.OnSeekBarChangeListener, OnCheckedChangeListener {
private static final String androidns = "http://schemas.android.com/apk/res/android";
private SeekBar mSeekBar;
private CheckBox mCheckBox;
private int mDefault, mValue = -1;
public BrightnessPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mDefault = attrs.getAttributeIntValue(androidns, "defaultValue", -1);
}
@Override
protected View onCreateDialogView() {
LayoutInflater inflater = (LayoutInflater) getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
RelativeLayout layout = (RelativeLayout) inflater.inflate(
R.layout.brightness_preference, null);
mSeekBar = (SeekBar) layout.findViewById(R.id.brightness_seekbar);
mSeekBar.setOnSeekBarChangeListener(this);
mCheckBox = (CheckBox) layout.findViewById(R.id.brightness_checkbox);
mCheckBox.setOnCheckedChangeListener(this);
if (shouldPersist()) {
mValue = getPersistedInt(mDefault);
}
if (mValue < 0) {
mCheckBox.setChecked(true);
mSeekBar.setEnabled(false);
} else {
mCheckBox.setChecked(false);
mSeekBar.setEnabled(true);
mSeekBar.setProgress(mValue);
}
return layout;
}
private void updateBrightness(int value) {
if (shouldPersist()) {
persistInt(value);
}
callChangeListener(new Integer(value));
/*
float brightness = value;
WindowManager.LayoutParams lp = getDialog().getWindow().getAttributes();
if (brightness == 0) { // 0 renders the phone unusable
brightness = 1f/100f;
}
lp.screenBrightness = brightness;
getDialog().getWindow().setAttributes(lp); */
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
}
@Override
protected void onSetInitialValue(boolean restore, Object defaultValue) {
super.onSetInitialValue(restore, defaultValue);
if (restore) {
mValue = shouldPersist() ? getPersistedInt(mDefault) : -1;
} else {
mValue = (Integer) defaultValue;
}
}
public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
updateBrightness(value);
}
public void onStartTrackingTouch(SeekBar seek) {
}
public void onStopTrackingTouch(SeekBar seek) {
}
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
final int value;
if (isChecked) {
mSeekBar.setEnabled(false);
value = -1;
} else {
mSeekBar.setEnabled(true);
value = mSeekBar.getProgress();
}
updateBrightness(value);
}
}