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/*
* Copyright (C) 2009 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.effectstest;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.SeekBar;
abstract class EffectParameter implements SeekBar.OnSeekBarChangeListener {
private final static String TAG = "EffectParameter";
protected int mMin;
protected int mMax;
protected String mUnit;
protected SeekBar mSeekBar;
protected TextView mValueText;
public EffectParameter (int min, int max, SeekBar seekBar, TextView textView, String unit) {
mMin = min;
mMax = max;
mSeekBar = seekBar;
mValueText = textView;
mUnit = unit;
byte[] paramBuf = new byte[4];
mSeekBar.setMax(max-min);
}
public void displayValue(int value, boolean fromTouch) {
String text = Integer.toString(value)+" "+mUnit;
mValueText.setText(text);
if (!fromTouch) {
mSeekBar.setProgress(value - mMin);
}
}
public void updateDisplay() {
displayValue(getParameter(), false);
}
public abstract void setParameter(Integer value);
public abstract Integer getParameter();
public abstract void setEffect(Object effect);
// SeekBar.OnSeekBarChangeListener
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {
if (seekBar != mSeekBar) {
Log.e(TAG, "onProgressChanged called with wrong seekBar");
return;
}
int value = progress + mMin;
if (fromTouch) {
setParameter(value);
}
displayValue(getParameter(), fromTouch);
}
public void onStartTrackingTouch(SeekBar seekBar) {
}
public void onStopTrackingTouch(SeekBar seekBar) {
}
public void setEnabled(boolean e) {
mSeekBar.setEnabled(e);
}
}
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