| /* |
| * Copyright 2019 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.mobileer.oboetester; |
| |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.widget.LinearLayout; |
| import android.widget.SeekBar; |
| import android.widget.TextView; |
| |
| public class WorkloadView extends LinearLayout { |
| |
| private AudioStreamTester mAudioStreamTester; |
| |
| protected static final int FADER_PROGRESS_MAX = 1000; // must match layout |
| protected TextView mTextView; |
| protected SeekBar mSeekBar; |
| protected ExponentialTaper mExponentialTaper; |
| |
| private SeekBar.OnSeekBarChangeListener mChangeListener = new SeekBar.OnSeekBarChangeListener() { |
| @Override |
| public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { |
| setValueByPosition(progress); |
| } |
| |
| @Override |
| public void onStartTrackingTouch(SeekBar seekBar) { |
| } |
| |
| @Override |
| public void onStopTrackingTouch(SeekBar seekBar) { |
| } |
| }; |
| |
| public WorkloadView(Context context) { |
| super(context); |
| initializeViews(context); |
| } |
| |
| public WorkloadView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| initializeViews(context); |
| } |
| |
| public WorkloadView(Context context, |
| AttributeSet attrs, |
| int defStyle) { |
| super(context, attrs, defStyle); |
| initializeViews(context); |
| } |
| |
| public AudioStreamTester getAudioStreamTester() { |
| return mAudioStreamTester; |
| } |
| |
| public void setAudioStreamTester(AudioStreamTester audioStreamTester) { |
| mAudioStreamTester = audioStreamTester; |
| } |
| |
| void setFaderNormalizedProgress(double fraction) { |
| mSeekBar.setProgress((int)(fraction * FADER_PROGRESS_MAX)); |
| } |
| |
| /** |
| * Inflates the views in the layout. |
| * |
| * @param context |
| * the current context for the view. |
| */ |
| private void initializeViews(Context context) { |
| LayoutInflater inflater = (LayoutInflater) context |
| .getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| inflater.inflate(R.layout.workload_view, this); |
| |
| mTextView = (TextView) findViewById(R.id.textWorkload); |
| mSeekBar = (SeekBar) findViewById(R.id.faderWorkload); |
| mSeekBar.setOnSeekBarChangeListener(mChangeListener); |
| mExponentialTaper = new ExponentialTaper(0.0, 100.0, 10.0); |
| //mSeekBar.setProgress(0); |
| } |
| |
| private void setValueByPosition(int progress) { |
| double workload = mExponentialTaper.linearToExponential( |
| ((double)progress) / FADER_PROGRESS_MAX); |
| mAudioStreamTester.setWorkload(workload); |
| mTextView.setText("Workload = " + String.format("%6.2f", workload)); |
| } |
| |
| @Override |
| public void setEnabled(boolean enabled) { |
| super.setEnabled(enabled); |
| mSeekBar.setEnabled(enabled); |
| } |
| } |