GAudioOutput.cc 2.31 KB
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/*=====================================================================

QGroundControl Open Source Ground Control Station

(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>

This file is part of the QGROUNDCONTROL project

    QGROUNDCONTROL is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    QGROUNDCONTROL is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.

======================================================================*/

/**
 * @file
 *   @brief Implementation of audio output
 *
 *   @author Lorenz Meier <mavteam@student.ethz.ch>
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 *   @author Thomas Gubler <thomasgubler@gmail.com>
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 *
 */

#include <QApplication>
#include <QSettings>
#include <QDebug>

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#include "GAudioOutput.h"
#include "QGCApplication.h"
#include "QGC.h"
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IMPLEMENT_QGC_SINGLETON(GAudioOutput, GAudioOutput)
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const char* GAudioOutput::_mutedKey = "AudioMuted";

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GAudioOutput::GAudioOutput(QObject *parent) :
    QGCSingleton(parent),
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    muted(false),
    thread(new QThread()),
    worker(new QGCAudioWorker())
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{
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    QSettings settings;
    
    muted = settings.value(_mutedKey, false).toBool();
    muted |= qgcApp()->runningUnitTests();
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    worker->moveToThread(thread);
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    connect(this, &GAudioOutput::textToSpeak, worker, &QGCAudioWorker::say);
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    connect(thread, &QThread::finished, thread, &QObject::deleteLater);
    connect(thread, &QThread::finished, worker, &QObject::deleteLater);
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    thread->start();
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}

GAudioOutput::~GAudioOutput()
{
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    thread->quit();
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}


void GAudioOutput::mute(bool mute)
{
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    QSettings settings;
    
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    muted = mute;
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    settings.setValue(_mutedKey, mute);
    
    emit mutedChanged(mute);
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}

bool GAudioOutput::isMuted()
{
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    return muted;
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}

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bool GAudioOutput::say(const QString& text, int severity)
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{
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    if (!muted) {
        emit textToSpeak(text, severity);
    }
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    return true;
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}