axmol/cocos/audio/android/jni/cddandroidAndroidJavaEngine.cpp

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2015 Chukong Technologies Inc.

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#define  LOG_TAG    "cocosdenshion::android::AndroidJavaEngine"

#include "audio/android/jni/cddandroidAndroidJavaEngine.h"
#include <stdlib.h>
#include <cstdio>

#include <sys/system_properties.h>
#include "audio/android/ccdandroidUtils.h"
#include "audio/include/AudioEngine.h"
#include "platform/android/jni/JniHelper.h"

// logging
#define  LOGD(...)  __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)

// Java class
static const std::string helperClassName = "org/cocos2dx/lib/Cocos2dxHelper";

using namespace cocos2d;
using namespace cocos2d::experimental;
using namespace CocosDenshion::android;

namespace
{
    int getSDKVersion()
    {
        int ret = -1;
        std::string command = "getprop ro.build.version.sdk";
        FILE* file = popen(command.c_str(), "r");
        if (file)
        {
            char output[100];
            if (std::fgets(output, sizeof(output), file) != nullptr)
                ret = std::atoi(output);

            pclose(file);
        }
        
        return ret;
    }
}

AndroidJavaEngine::AndroidJavaEngine()
    : _implementBaseOnAudioEngine(false)
    , _effectVolume(1.f)
{
    int sdkVer = getSDKVersion();
    if (sdkVer > 0)
    {
        __android_log_print(ANDROID_LOG_DEBUG, "cocos2d", "android SDK version:%d", sdkVer);
        if (sdkVer == 21)
        {
            _implementBaseOnAudioEngine = true;
        }
    }
    else
    {
        __android_log_print(ANDROID_LOG_DEBUG, "cocos2d", "%s", "Fail to get android SDK version.");
    }
}

AndroidJavaEngine::~AndroidJavaEngine()
{
    if (_implementBaseOnAudioEngine)
    {
        stopAllEffects();
    }

    JniHelper::callStaticVoidMethod(helperClassName, "end");
}

void AndroidJavaEngine::preloadBackgroundMusic(const char* filePath) {
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);
    JniHelper::callStaticVoidMethod(helperClassName, "preloadBackgroundMusic", fullPath);
}

void AndroidJavaEngine::playBackgroundMusic(const char* filePath, bool loop) {
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);
    JniHelper::callStaticVoidMethod(helperClassName, "playBackgroundMusic", fullPath, loop);
}

void AndroidJavaEngine::stopBackgroundMusic(bool releaseData) {
    JniHelper::callStaticVoidMethod(helperClassName, "stopBackgroundMusic");
}

void AndroidJavaEngine::pauseBackgroundMusic() {
    JniHelper::callStaticVoidMethod(helperClassName, "pauseBackgroundMusic");

}

void AndroidJavaEngine::resumeBackgroundMusic() {
    JniHelper::callStaticVoidMethod(helperClassName, "resumeBackgroundMusic");
}

void AndroidJavaEngine::rewindBackgroundMusic() {
    JniHelper::callStaticVoidMethod(helperClassName, "rewindBackgroundMusic");
}

bool AndroidJavaEngine::willPlayBackgroundMusic() {
    return JniHelper::callStaticBooleanMethod(helperClassName, "willPlayBackgroundMusic");
}

bool AndroidJavaEngine::isBackgroundMusicPlaying() {
    return JniHelper::callStaticBooleanMethod(helperClassName, "isBackgroundMusicPlaying");
}

float AndroidJavaEngine::getBackgroundMusicVolume() {
    return JniHelper::callStaticFloatMethod(helperClassName, "getBackgroundMusicVolume");
}

void AndroidJavaEngine::setBackgroundMusicVolume(float volume) {
    JniHelper::callStaticVoidMethod(helperClassName, "setBackgroundMusicVolume", volume);
}

float AndroidJavaEngine::getEffectsVolume()
{
    if (_implementBaseOnAudioEngine)
    {
        return _effectVolume;
    }
    else
    {
        return JniHelper::callStaticFloatMethod(helperClassName, "getEffectsVolume");
    }
}

void AndroidJavaEngine::setEffectsVolume(float volume)
{
    if (_implementBaseOnAudioEngine)
    {
        if (volume > 1.f)
        {
            volume = 1.f;
        }
        else if (volume < 0.f)
        {
            volume = 0.f;
        }

        if (_effectVolume != volume)
        {
            _effectVolume = volume;
            for (auto it : _soundIDs)
            {
                AudioEngine::setVolume(it, volume);
            }
        }
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "setEffectsVolume", volume);
    }
}

unsigned int AndroidJavaEngine::playEffect(const char* filePath, bool loop,
    float pitch, float pan, float gain)
{
    if (_implementBaseOnAudioEngine)
    {
        auto soundID = AudioEngine::play2d(filePath, loop, _effectVolume);
        if (soundID != AudioEngine::INVALID_AUDIO_ID)
        {
            _soundIDs.push_back(soundID);

            AudioEngine::setFinishCallback(soundID, [this](int id, const std::string& filePath){
                _soundIDs.remove(id);
            });
        }

        return soundID;
    }
    else
    {
        std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);
        int ret = JniHelper::callStaticIntMethod(helperClassName, "playEffect", fullPath, loop, pitch, pan, gain);
        return (unsigned int)ret;
    }
}

void AndroidJavaEngine::pauseEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::pause(soundID);
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "pauseEffect", (int)soundID);
    }
}

void AndroidJavaEngine::resumeEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::resume(soundID);
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "resumeEffect", (int)soundID);
    }
}

void AndroidJavaEngine::stopEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::stop(soundID);
        _soundIDs.remove(soundID);
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "stopEffect", (int)soundID);
    }
}

void AndroidJavaEngine::pauseAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto it : _soundIDs)
        {
            AudioEngine::pause(it);
        }
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "pauseAllEffects");
    }
}

void AndroidJavaEngine::resumeAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto it : _soundIDs)
        {
            AudioEngine::resume(it);
        }
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "resumeAllEffects");
    }
}

void AndroidJavaEngine::stopAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto it : _soundIDs)
        {
            AudioEngine::stop(it);
        }
        _soundIDs.clear();
    }
    else
    {
        JniHelper::callStaticVoidMethod(helperClassName, "stopAllEffects");
    }
}

void AndroidJavaEngine::preloadEffect(const char* filePath)
{
    if (!_implementBaseOnAudioEngine)
    {
        std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);
        JniHelper::callStaticVoidMethod(helperClassName, "preloadEffect", fullPath);
    }
}

void AndroidJavaEngine::unloadEffect(const char* filePath)
{
    if (!_implementBaseOnAudioEngine)
    {
        std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);
        JniHelper::callStaticVoidMethod(helperClassName, "unloadEffect", fullPath);
    }
}