147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
#include "EnergySaver.h"
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#include <QDebug>
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#include <QFileInfo>
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#include <QProcess>
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#include <iostream>
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EnergySaver::~EnergySaver()
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{
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#ifdef ANDROID
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releaseAndroidLock();
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#endif
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}
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void EnergySaver::init()
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{
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auto saver = instance();
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saver->mIsAutoShutDownEnabled = false;
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#ifdef ANDROID
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saver->initAdroidLocks();
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#endif
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}
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void EnergySaver::init(int interval, const QString &shutdownScript)
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{
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auto saver = instance();
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saver->mIsAutoShutDownEnabled = true;
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QFileInfo script(shutdownScript);
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if(script.exists()){
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saver->setShutdownScript(shutdownScript);
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saver->initTimer(interval*1000);
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saver->restartTimer();
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}
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#ifdef ANDROID
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saver->initAdroidLocks();
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#endif
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}
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EnergySaver *EnergySaver::instance()
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{
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static EnergySaver* inst;
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if (!inst)
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{
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inst = new EnergySaver();
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}
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return inst;
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}
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void EnergySaver::deactivate()
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{
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mIsActive = false;
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mTimer.stop();
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setAndroidLock();
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}
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void EnergySaver::activate()
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{
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mIsActive = true;
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restartTimer();
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releaseAndroidLock();
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}
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void EnergySaver::restartTimer()
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{
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// Energy saver is currently deactivated -> Do NOT start timer
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if(!mIsActive) return;
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if(mTimer.isActive()){
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mTimer.stop();
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}
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mTimer.start();
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}
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void EnergySaver::initTimer(int interval)
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{
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connect(&mTimer, &QTimer::timeout, this, &EnergySaver::onTimeout);
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mTimer.setInterval(interval);
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mTimer.setSingleShot(true);
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}
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void EnergySaver::setShutdownScript(const QString &shutdownScript)
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{
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mShutdownScript = shutdownScript;
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}
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void EnergySaver::initAdroidLocks()
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{
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#ifdef ANDROID
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QAndroidJniObject activity = QAndroidJniObject::callStaticObjectMethod("org/qtproject/qt5/android/QtNative", "activity", "()Landroid/app/Activity;");
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if ( activity.isValid() )
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{
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QAndroidJniObject serviceName = QAndroidJniObject::getStaticObjectField<jstring>("android/content/Context","POWER_SERVICE");
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if ( serviceName.isValid() )
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{
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QAndroidJniObject powerMgr = activity.callObjectMethod("getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;",serviceName.object<jobject>());
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if ( powerMgr.isValid() )
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{
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jint levelAndFlags = QAndroidJniObject::getStaticField<jint>("android/os/PowerManager","PARTIAL_WAKE_LOCK");
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QAndroidJniObject tag = QAndroidJniObject::fromString( "My Tag" );
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m_wakeLock = powerMgr.callObjectMethod("newWakeLock", "(ILjava/lang/String;)Landroid/os/PowerManager$WakeLock;", levelAndFlags,tag.object<jstring>());
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}
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}
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}
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#endif
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}
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void EnergySaver::setAndroidLock()
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{
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#ifdef ANDROID
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if ( m_wakeLock.isValid() )
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{
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m_wakeLock.callMethod<void>("acquire", "()V");
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qDebug() << "Locked device, can't go to standby anymore";
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}
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else
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{
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assert( false );
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}
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#endif
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}
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void EnergySaver::releaseAndroidLock()
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{
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#ifdef ANDROID
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if ( m_wakeLock.isValid() )
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{
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m_wakeLock.callMethod<void>("release", "()V");
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qDebug() << "Unlocked device, can now go to standby";
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}
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#endif
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}
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void EnergySaver::onTimeout()
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{
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if(!mIsAutoShutDownEnabled) return;
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std::cout << "Shutting down.";
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#ifndef _DEBUG
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QProcess p;
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p.start(mShutdownScript);
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p.waitForFinished();
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#endif
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}
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