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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.vrbrowser.audio;
import android.content.Context;
import org.mozilla.vrbrowser.utils.SystemUtils;
import java.util.concurrent.ConcurrentHashMap;
public class AudioEngine {
private Context mContext;
private AudioEngineImpl mEngine;
private ConcurrentHashMap<Sound, Integer> mSourceIds;
private float mMainVolume = 1.0f;
private static ConcurrentHashMap<Context, AudioEngine> mEngines = new ConcurrentHashMap<>();
private boolean mEnabled;
private static final String LOGTAG = SystemUtils.createLogtag(AudioEngine.class);
public enum SoundType {
STEREO,
OBJECT,
FIELD
}
public enum Sound {
CLICK,
BACK,
EXIT,
AMBIENT(SoundType.FIELD);
private SoundType mType;
Sound() {
mType = SoundType.STEREO;
}
Sound(SoundType aType) {
mType = aType;
}
public SoundType getType() {
return mType;
}
}
public interface AudioTheme {
String getPath(Sound aSound);
}
public interface AudioEngineImpl {
void preloadAsync(final Runnable aCallback);
void pause();
void resume();
void setPose(float qx, float qy, float qz, float qw, float px, float py, float pz);
void update();
void release();
void playSound(Sound aSound, float aVolume, boolean aLoop);
void stopSound(Sound aSound);
}
public static AudioEngine fromContext(Context aContext) {
return mEngines.get(aContext);
}
public AudioEngine(Context aContext, AudioEngineImpl aImpl) {
mContext = aContext;
mEngine = aImpl;
mSourceIds = new ConcurrentHashMap<>();
mEngines.put(aContext, this);
mEnabled = true;
}
public void setEnabled(boolean enabled) {
mEnabled = enabled;
}
public void preloadAsync() {
preloadAsync(null);
}
// Perform preloading in a separate thread in order to avoid blocking the main thread
public void preloadAsync(final Runnable aCallback) {
if (mEngine != null) {
mEngine.preloadAsync(aCallback);
}
}
public void release() {
if (mEngine != null) {
mEngine.release();
}
}
public void pauseEngine() {
if (mEngine != null) {
mEngine.pause();
}
}
public void resumeEngine() {
if (mEngine != null) {
mEngine.resume();
}
}
public void setPose(float qx, float qy, float qz, float qw, float px, float py, float pz) {
if (mEngine != null) {
mEngine.setPose(qx, qy, qz, qw, px, py, pz);
}
}
public void update() {
if (mEngine != null) {
mEngine.update();
}
}
public void playSound(Sound aSound) {
playSound(aSound, 1.0f,false);
}
public void setMainVolume(float aVolume) {
mMainVolume = aVolume;
}
public void playSound(Sound aSound, float aVolume, boolean aLoop) {
if (mEnabled && mEngine != null) {
mEngine.playSound(aSound, aVolume * mMainVolume, aLoop);
}
}
public void stopSound(Sound aSound) {
if (mEnabled && mEngine != null) {
mEngine.stopSound(aSound);
}
}
}