126 lines
3.6 KiB
Java
126 lines
3.6 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.common.midi;
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import android.media.midi.MidiDeviceInfo;
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import android.media.midi.MidiDeviceInfo.PortInfo;
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import android.util.Log;
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// Wrapper for a MIDI device and port description.
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public class MidiPortWrapper {
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private MidiDeviceInfo mInfo;
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private int mPortIndex;
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private int mType;
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private String mString;
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/**
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* Wrapper for a MIDI device and port description.
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* @param info
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* @param portType
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* @param portIndex
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*/
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public MidiPortWrapper(MidiDeviceInfo info, int portType, int portIndex) {
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mInfo = info;
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mType = portType;
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mPortIndex = portIndex;
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}
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private void updateString() {
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if (mInfo == null) {
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mString = "- - - - - -";
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} else {
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StringBuilder sb = new StringBuilder();
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String name = mInfo.getProperties()
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.getString(MidiDeviceInfo.PROPERTY_NAME);
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if (name == null) {
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name = mInfo.getProperties()
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.getString(MidiDeviceInfo.PROPERTY_MANUFACTURER) + ", "
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+ mInfo.getProperties()
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.getString(MidiDeviceInfo.PROPERTY_PRODUCT);
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}
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sb.append("#" + mInfo.getId());
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sb.append(", ").append(name);
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PortInfo portInfo = findPortInfo();
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sb.append("[" + mPortIndex + "]");
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if (portInfo != null) {
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sb.append(", ").append(portInfo.getName());
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} else {
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sb.append(", null");
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}
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mString = sb.toString();
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}
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}
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/**
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* @param info
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* @param portIndex
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* @return
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*/
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private PortInfo findPortInfo() {
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PortInfo[] ports = mInfo.getPorts();
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for (PortInfo portInfo : ports) {
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if (portInfo.getPortNumber() == mPortIndex
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&& portInfo.getType() == mType) {
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return portInfo;
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}
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}
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return null;
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}
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public int getPortIndex() {
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return mPortIndex;
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}
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public MidiDeviceInfo getDeviceInfo() {
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return mInfo;
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}
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@Override
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public String toString() {
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if (mString == null) {
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updateString();
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}
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return mString;
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}
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@Override
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public boolean equals(Object other) {
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if (other == null)
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return false;
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if (!(other instanceof MidiPortWrapper))
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return false;
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MidiPortWrapper otherWrapper = (MidiPortWrapper) other;
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if (mPortIndex != otherWrapper.mPortIndex)
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return false;
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if (mType != otherWrapper.mType)
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return false;
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if (mInfo == null)
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return (otherWrapper.mInfo == null);
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return mInfo.equals(otherWrapper.mInfo);
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}
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@Override
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public int hashCode() {
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int hashCode = 1;
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hashCode = 31 * hashCode + mPortIndex;
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hashCode = 31 * hashCode + mType;
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hashCode = 31 * hashCode + mInfo.hashCode();
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return hashCode;
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}
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}
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